阅读说明：本技术 一种采用二次发酵技术生产木耳的工艺和方法 (Process and method for producing agaric by adopting secondary fermentation technology ) 是由 李晓博 赵敬聪 刘存博 杨成梅 高霞 赵淑芳 崔慧 王振利 刘孝利 于 2021-03-04 设计创作，主要内容包括：本发明涉及一种采用二次发酵技术生产木耳的工艺,涉及木耳培育技术领域。本发明所述一种采用二次发酵技术生产木耳的工艺,包括将各原料粉碎后加水进行混合,堆积进行一次发酵获得一次混合物料；将一次发酵完成的一次混合物料进行再次粉碎,将粉碎完成的一次混合物料和辅料混合并加入搅拌罐进行高温灭菌搅拌混匀后获得二次混合物料,将二次混合物料输送至发酵仓进行二次发酵获得培养基质；将所述二次发酵完成的所述培养基质装袋进行接种；将接种完成的所述培养基质放置在无菌室内进行养菌,并实时监测菌丝的生产状况；更加精确地控制所述发酵的过程,提高了生产木耳所需原料的使用率,进一步保证了发酵效率,从而进一步提高了木耳的品质。(The invention relates to a process for producing edible fungus by adopting a secondary fermentation technology, and relates to the technical field of edible fungus cultivation. The invention relates to a process for producing edible fungus by adopting a secondary fermentation technology, which comprises the steps of crushing raw materials, adding water, mixing, stacking, and performing primary fermentation to obtain a primary mixed material; crushing the primary mixed material after primary fermentation, mixing the crushed primary mixed material with auxiliary materials, adding the mixture into a stirring tank, sterilizing at high temperature, stirring and uniformly mixing to obtain a secondary mixed material, and conveying the secondary mixed material to a fermentation bin for secondary fermentation to obtain a culture medium; bagging the culture medium subjected to secondary fermentation for inoculation; placing the inoculated culture medium in an aseptic chamber for fungus cultivation, and monitoring the production condition of hyphae in real time; the fermentation process is controlled more accurately, the utilization rate of raw materials required by the production of the agaric is improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.)

1. A process for producing agaric by adopting a secondary fermentation technology is characterized by comprising the following steps:

step a: crushing the raw materials, adding water, mixing, stacking, and performing primary fermentation to obtain a primary mixed material;

step b: crushing the primary mixed material after primary fermentation, mixing the crushed primary mixed material with auxiliary materials, adding the mixture into a stirring tank, sterilizing at high temperature, stirring and uniformly mixing to obtain a secondary mixed material, and conveying the secondary mixed material to a fermentation bin for secondary fermentation to obtain a culture medium;

step c: bagging the culture medium subjected to secondary fermentation for inoculation;

step d: placing the inoculated culture medium in an aseptic chamber for fungus cultivation, and monitoring the production condition of hyphae in real time;

in the step B, a standard raw material mass M0, a standard humidity proportion B0, a standard fermentation time T0, a standard surface humidity S0 and a preset fermentation temperature T0 are arranged in a control box, the control box compares the raw material mass M added in the primary fermentation with the standard raw material mass M0, if M is larger than M0, the control box monitors the temperature, the humidity and the PH in the fermentation bin in real time in a standard fermentation time ta0, the control box compares the actual humidity proportion B with the standard humidity proportion B0 by actually detecting the surface humidity Sb and the inner humidity Sn of the secondary mixed material in the fermentation bin and calculates the actual humidity proportion B of the inner humidity and the surface humidity, and if B is smaller than B0, the control box controls and stirs the secondary mixed material and sets the stirring time according to the difference between the actual humidity proportion and the standard humidity proportion, if B is less than B0 and Sb is less than S0, the control box controls the water spraying of the mixed materials when the secondary mixed materials are stirred, the water spraying duration is set according to the difference value between the surface layer humidity and the inner layer humidity, and the stirring duration is set according to the difference value between the actual humidity ratio and the standard humidity ratio;

when the secondary mixed material is conveyed to a fermentation cabin for fermentation, the control box selects a corresponding heating temperature T according to the actual quality M of the raw material to preheat the secondary mixed material for tb time, and after preheating is completed, the secondary mixed material is kept in a preset fermentation temperature T0 for fermentation tb0 time.

2. The process for producing agaric by using secondary fermentation technology according to claim 1, wherein in the step B, a control module is arranged in the control box, the standard raw material mass M0 and the standard humidity ratio B0 are arranged in the control module, when the secondary mixed material is subjected to secondary fermentation, the control module obtains the inner layer humidity Sn and the surface layer humidity Sb of the secondary mixed material in the fermentation bin and calculates an actual humidity ratio B, B is set to be Sb/Sn, the actual humidity ratio B is compared with the standard humidity ratio B0, if B is less than B0, the control module obtains the primary mixed material mass M, and if M is greater than M0, the control box controls to stir the secondary mixed material.

3. The process for producing edible fungus by adopting the secondary fermentation technology as claimed in claim 2, wherein a preset humidity ratio difference value and a stirring time period are arranged in the control module, the humidity ratio difference value comprises a first preset humidity ratio difference value delta B1, a second preset humidity ratio difference value delta B2 and a third preset humidity ratio difference value delta B3, wherein delta B1 < delta B2 < delta B3, the stirring time period comprises a first stirring time period t1, a second stirring time period t2, a third stirring time period t3, a t1 < t2 < t3,

when the control box controls to stir the secondary mixed material in the fermentation bin, the control module selects corresponding stirring time length according to the actual humidity ratio difference delta B to stir the secondary mixed material,

when delta B is more than or equal to delta B1 and less than or equal to delta B1, the control module selects a first stirring time period t1 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin,

when delta B is more than or equal to delta B2 and less than or equal to delta B3, the control module selects a second stirring time period t2 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin,

when delta B is larger than delta B3, the control module selects a third stirring time period t3 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin.

4. The process for producing Auricularia using secondary fermentation technology as claimed in claim 3, wherein the control module is further configured with a preset remaining time and a stirring time adjustment factor, the preset remaining time comprises a first preset remaining time Δ t1, a second preset remaining time Δ t2, a third preset remaining time Δ t3, wherein Δ t1 < Δ t2 < Δ t3, the stirring time adjustment factor comprises a first stirring time adjustment factor k1, a second stirring time adjustment factor k2, a third stirring time adjustment factor k3, wherein 1 < k1 < k2 < k3 < 2,

when the central control module selects the ith stirring time ti so that the control box controls the stirring of the secondary mixed material in the fermentation bin, setting i to be 1, 2 and 3, the control module acquires the time ts for fermenting the secondary mixed material, calculates the difference value delta t by comparing the time t for fermenting with the standard fermentation time t0, sets delta t to be t0-ts, and the control box adjusts the stirring time according to the actual residual fermentation time,

when the delta t is more than the delta t1 and less than or equal to the delta t2, the control module selects a first stirring time length adjusting coefficient k1 so that the control box controls the stirring time length to be adjusted,

when the delta t is more than the delta t2 and less than or equal to the delta t3, the control module selects a second stirring time length adjusting coefficient k2 so that the control box controls the stirring time length to be adjusted,

when delta t is more than delta t3, the control module selects a third stirring time length adjusting coefficient k3 to enable the control box to control the stirring time length to be adjusted,

and when the control module selects a j-th stirring time length adjusting coefficient kj to enable the control box to adjust the stirring time length, setting j to be 1, 2 and 3, and setting the adjusted stirring time length to be ti ', ti' to be ti x kj.

5. The process for producing agaric by using secondary fermentation technology according to claim 3, wherein the standard surface humidity S0 is arranged in the control module, the control module is further provided with a preset surface humidity difference value and a water spraying time period, the preset surface humidity comprises a first preset surface humidity difference value delta S1, a second preset surface humidity difference value delta S2 and a third preset surface humidity difference value delta S3, wherein delta S1 < delta S2 < delta S3, the water spraying time period comprises a first water spraying time period tp1, a second water spraying time period tp2 and a third water spraying time period tp3, wherein tp1 < tp2 < tp3,

when the control box controls the stirring paddle to stir the secondary mixed material, the control module obtains the actual surface humidity Sn of the secondary mixed material, the actual surface humidity Sn is compared with the standard surface humidity S0, if Sn is less than S0, the control module calculates the difference Delta S between the standard surface humidity S0 and the actual surface humidity Sn, the set Delta S is S0-Sn, and the control module selects the corresponding water spraying time to spray water to the secondary mixed material according to the difference,

when the delta S is more than or equal to delta S1 and less than or equal to delta S2, the control module selects a first water spraying time tp1 to enable the control box to control water spraying to the secondary mixed materials,

when the delta S is more than or equal to delta S2 and less than or equal to delta S3, the control module selects a second water spraying time tp2 to enable the control box to control water spraying to the secondary mixed materials,

and when the delta S is larger than the delta S3, the control module selects a third water spraying time period tp3 so that the control box controls water spraying to the secondary mixed materials.

6. The process for producing Auricularia using secondary fermentation technology as claimed in claim 1, wherein in the step b, the control module further comprises a preset material quality and a heating temperature, wherein the preset material quality comprises a first preset material quality M1, a second preset material quality M2, and a third preset material quality M3, wherein M1 < M2 < M3, M1 > M0, the heating temperature comprises a first heating temperature T1, a second heating temperature T2, a third heating temperature T3, T1 < T2 < T3, and T1 > T0,

when the control box controls the preheating of the secondary mixed material conveyed to the fermentation bin, the control module selects a corresponding heating temperature according to the actual raw material quality M to heat the secondary mixed material,

when M is more than M1 and less than or equal to M2, the control module selects a first heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T1,

when M is more than M2 and less than or equal to M3, the control module selects a second heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T2,

when M is larger than M3, the control module selects a third heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T3.

7. The process for producing edible fungus by adopting the secondary fermentation technology as claimed in claim 6, wherein the control module is further provided with a preset heating time ratio, the preset heating time ratio comprises a first heating time ratio Bt1, a second heating time ratio Bt2 and a third heating time ratio Bt3, wherein Bt1 < Bt2 < Bt3,

when the control box controls to heat the secondary mixed material at the ith heating temperature Ti, setting i to be 1, 2 and 3, selecting a corresponding heating time length proportion by the control module according to the actual raw material quality and calculating the heating time length tr so that the control box controls a heating wire to heat the secondary mixed material, setting Bt to be tr/t0,

when M is more than M1 and less than or equal to M2, the control module selects a first heating time proportion Bt1 and calculates the time length required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time length,

when M is more than M1 and less than or equal to M2, the control module selects a second heating time proportion Bt2 and calculates the time length required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time length,

and when M is larger than M2, the control module selects a third heating time proportion Bt3 and calculates the time required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time.

8. The process for producing Auricularia using secondary fermentation technology as claimed in claim 7, wherein when the control module selects the ith heating temperature Ti and the jth heating ratio Btj to calculate the heating time trj, and sets j to 1, 2, 3, and the control box controls the heating wire to heat the secondary mixture at the corresponding heating temperature and heating time, the control module controls the standard fermentation temperature T0 and the standard fermentation time T0 to perform the fermentation of the secondary mixture.

9. The process for producing agaric by adopting secondary fermentation technology as claimed in claim 1, wherein in step d, the control module is further provided with a preset cultivation temperature, a preset cultivation humidity and a preset cultivation pH value, the control module monitors the growth condition of the mycelium in real time through a camera, the control box controls the detection of the actual temperature, the actual humidity and the actual pH value of the aseptic chamber according to the growth condition of the mycelium obtained by the control module if the growth speed of the mycelium is slow, and controls the regulation of the actual temperature, the actual humidity and the actual pH value if the actual temperature, the actual humidity and the actual pH value are not matched with the preset cultivation temperature, the preset cultivation humidity and the preset cultivation pH value, if the actual temperature, the actual humidity and the actual pH value are matched with each other, the control box controls the regulation of the preset cultivation temperature or the cultivation humidity or the preset cultivation pH value, and detecting the growth condition of the rhzomorph according to a period ta, wherein when the preset culture temperature or culture humidity or preset culture pH value is adjusted, the growth speed of hyphae is accelerated, and then the current culture temperature or culture humidity or culture pH value is used as the preset culture temperature or culture humidity or preset culture pH value by the control box.

10. The process for producing edible fungus by adopting the secondary fermentation technology as claimed in claim 1, wherein in the step a, the raw materials are at least two mixed materials of preserved hickory, camellia oleifera shells, wood chips and bran, and the mass fraction of each mixed material is as follows: 20-45 parts of preserved hickory nuts, 15-30 parts of oil-tea camellia shells, 20-30 parts of wood chips and 15-25 parts of bran, wherein in the step b, the auxiliary materials are mixed materials of gypsum, sugar, ammonium dihydrogen phosphate and urea, and the mixed materials comprise 2-6 parts of gypsum, 0.5-2 parts of sugar, 1-2 parts of ammonium dihydrogen phosphate and 1-2 parts of urea in percentage by mass.

Technical Field

The invention relates to the technical field of agaric cultivation, in particular to a process for producing agaric by adopting a secondary fermentation technology.

Background

Auricularia, also called as black fungus and white fungus, is an important edible fungus in China and has wide natural distribution and artificial cultivation. The agaric has soft texture, tender mouthfeel, delicious taste and special flavor, is rich in protein, fat, sugar, various vitamins and mineral substances, has high nutritional value, and is praised as 'meat in vegetable' by modern nutriologists. The edible fungus has the nutritive value comparable with that of animal food, and has rich contents of iron and vitamin K.

The artificial cultivation of the agaric is relatively mature, however, the growth influence factors of the agaric are more, such as culture medium, water quality, growth environment, climate and the like, the existing artificial cultivation mode for the agaric does not have a corresponding relatively suitable solution for the influence factors, the influence factors cannot be accurately controlled in the production process of the agaric, so that the utilization rate of raw materials is not high when the agaric is produced, the fermentation efficiency is low in the fermentation process, and the produced agaric is uneven in quality.

Disclosure of Invention

Therefore, the invention provides a process for producing agaric by adopting a secondary fermentation technology. The method is used for solving the problem of low quality of the produced agaric caused by inaccurate control of the fermentation process in the prior art.

In order to realize the purpose, the invention provides a process for producing edible fungus by adopting a secondary fermentation technology, which comprises the following steps:

step a: crushing the raw materials, adding water, mixing, stacking, and performing primary fermentation to obtain a primary mixed material;

step b: crushing the primary mixed material after primary fermentation, mixing the crushed primary mixed material with auxiliary materials, adding the mixture into a stirring tank, sterilizing at high temperature, stirring and uniformly mixing to obtain a secondary mixed material, and conveying the secondary mixed material to a fermentation bin for secondary fermentation to obtain a culture medium;

step c: bagging the culture medium subjected to secondary fermentation for inoculation;

step d: placing the inoculated culture medium in an aseptic chamber for fungus cultivation, and monitoring the production condition of hyphae in real time;

in the step B, a standard raw material mass M0, a standard humidity proportion B0, a standard fermentation time T0, a standard surface humidity S0 and a preset fermentation temperature T0 are arranged in a control box, the control box compares the raw material mass M added in the primary fermentation with the standard raw material mass M0, if M is larger than M0, the control box monitors the temperature, the humidity and the PH in the fermentation bin in real time in a standard fermentation time ta0, the control box compares the actual humidity proportion B with the standard humidity proportion B0 by actually detecting the surface humidity Sb and the inner humidity Sn of the secondary mixed material in the fermentation bin and calculates the actual humidity proportion B of the inner humidity and the surface humidity, and if B is smaller than B0, the control box controls and stirs the secondary mixed material and sets the stirring time according to the difference between the actual humidity proportion and the standard humidity proportion, if B is less than B0 and Sb is less than S0, the control box controls the water spraying of the mixed materials when the secondary mixed materials are stirred, the water spraying duration is set according to the difference value between the surface layer humidity and the inner layer humidity, and the stirring duration is set according to the difference value between the actual humidity ratio and the standard humidity ratio;

when the secondary mixed material is conveyed to a fermentation cabin for fermentation, the control box selects a corresponding heating temperature T according to the actual quality M of the raw material to preheat the secondary mixed material for tb time, and after preheating is completed, the secondary mixed material is kept in a preset fermentation temperature T0 for fermentation tb0 time. .

Further, in the step B, a control module is arranged in the control box, the standard raw material mass M0 and the standard humidity ratio B0 are arranged in the control module, when the secondary mixed material is subjected to secondary fermentation, the control module obtains the inner layer humidity Sn and the surface layer humidity Sb of the secondary mixed material in the fermentation bin, calculates an actual humidity ratio B, sets B to Sb/Sn, compares the actual humidity ratio B with the standard humidity ratio B0, if B is less than B0, the control module obtains the mass M of the primary mixed material, and if M is greater than M0, the control box controls the secondary mixed material to be stirred.

Further, a preset humidity ratio difference value and a stirring time period are arranged in the control module, the humidity ratio difference value comprises a first preset humidity ratio difference value delta B1, a second preset humidity ratio difference value delta B2 and a third preset humidity ratio difference value delta B3, wherein delta B1 is more than delta B2 and less than delta B3, the stirring time period comprises a first stirring time period t1, a second stirring time period t2, a third stirring time period t3, a t1 is more than t2 and less than t3,

when the control box controls to stir the secondary mixed material in the fermentation bin, the control module selects corresponding stirring time length according to the actual humidity ratio difference delta B to stir the secondary mixed material,

when delta B is more than or equal to delta B1 and less than or equal to delta B1, the control module selects a first stirring time period t1 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin,

when delta B is more than or equal to delta B2 and less than or equal to delta B3, the control module selects a second stirring time period t2 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin,

when delta B is larger than delta B3, the control module selects a third stirring time period t3 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin.

Further, the control module is further provided with a preset remaining time length and a stirring time length adjusting coefficient, the preset remaining time length comprises a first preset remaining time length delta t1, a second preset remaining time length delta t2 and a third preset remaining time length delta t3, wherein the delta t1 is greater than the delta t2 and is greater than the delta t3, the stirring time length adjusting coefficient comprises a first stirring time length adjusting coefficient k1, a second stirring time length adjusting coefficient k2 and a third stirring time length adjusting coefficient k3, wherein the k3 is greater than 1 and is greater than k1 and is greater than k2 and is greater than k3 and is less than 2,

when the central control module selects the ith stirring time length t i to enable the control box to control stirring of the secondary mixed material in the fermentation bin, setting i as 1, 2 and 3, the control module obtains the time length ts for fermenting the secondary mixed material, and sets the time length t as t0-ts by comparing the time length for fermenting with the standard fermentation time length t0 and calculating the difference value delta t, the control box adjusts the stirring time length according to the actual remaining fermentation time length,

when the delta t is more than the delta t1 and less than or equal to the delta t2, the control module selects a first stirring time length adjusting coefficient k1 so that the control box controls the stirring time length to be adjusted,

when the delta t is more than the delta t2 and less than or equal to the delta t3, the control module selects a second stirring time length adjusting coefficient k2 so that the control box controls the stirring time length to be adjusted,

when delta t is more than delta t3, the control module selects a third stirring time length adjusting coefficient k3 to enable the control box to control the stirring time length to be adjusted,

when the control module selects the j-th stirring time length adjusting coefficient kj to enable the control box to adjust the stirring time length, setting j to be 1, 2 and 3, and setting the adjusted stirring time length to be t i ', t i' to be t i × kj.

Further, the standard surface humidity S0 is set in the control module, the control module is further provided with a preset surface humidity difference value and a water spraying time length, the preset surface humidity includes a first preset surface humidity difference value Δ S1, a second preset surface humidity difference value Δ S2 and a third preset surface humidity difference value Δ S3, wherein Δ S1 is greater than Δ S2 and less than Δ S3, the water spraying time length includes a first water spraying time length tp1, a second water spraying time length tp2 and a third water spraying time length tp3, tp1 is greater than tp2 and less than tp3,

when the control box controls the stirring paddle to stir the secondary mixed material, the control module obtains the actual surface humidity Sn of the secondary mixed material, the actual surface humidity Sn is compared with the standard surface humidity S0, if Sn is less than S0, the control module calculates the difference Delta S between the standard surface humidity S0 and the actual surface humidity Sn, the set Delta S is S0-Sn, and the control module selects the corresponding water spraying time to spray water to the secondary mixed material according to the difference,

when the delta S is more than or equal to delta S1 and less than or equal to delta S2, the control module selects a first water spraying time tp1 to enable the control box to control water spraying to the secondary mixed materials,

when the delta S is more than or equal to delta S2 and less than or equal to delta S3, the control module selects a second water spraying time tp2 to enable the control box to control water spraying to the secondary mixed materials,

and when the delta S is larger than the delta S3, the control module selects a third water spraying time period tp3 so that the control box controls water spraying to the secondary mixed materials.

Further, in the step b, the control module is further provided with a preset raw material mass and a heating temperature, the preset raw material mass includes a first preset raw material mass M1, a second preset raw material mass M2, and a third preset raw material mass M3, wherein M1 is greater than M2 and is less than M3, M1 is greater than M0, the heating temperature includes a first heating temperature T1, a second heating temperature T2, a third heating temperature T3, T1 is greater than T2 and is less than T3, and T1 is greater than T0,

when the control box controls the preheating of the secondary mixed material conveyed to the fermentation bin, the control module selects a corresponding heating temperature according to the actual raw material quality M to heat the secondary mixed material,

when M is more than M1 and less than or equal to M2, the control module selects a first heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T1,

when M is more than M2 and less than or equal to M3, the control module selects a second heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T2,

when M is larger than M3, the control module selects a third heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T3.

Further, the control module is also provided with a preset heating time length proportion, the preset heating time length proportion comprises a first heating time length proportion Bt1, a second heating time length proportion Bt2 and a third heating time length proportion Bt3, wherein Bt1 is more than Bt2 and more than Bt3,

when the control box controls to heat the secondary mixed material at the ith heating temperature Ti, setting i to be 1, 2 and 3, selecting a corresponding heating time length proportion by the control module according to the actual raw material quality and calculating the heating time length tr so that the control box controls a heating wire to heat the secondary mixed material, setting Bt to be tr/t0,

when M is more than M1 and less than or equal to M2, the control module selects a first heating time proportion Bt1 and calculates the time length required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time length,

when M is more than M1 and less than or equal to M2, the control module selects a second heating time proportion Bt2 and calculates the time length required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time length,

and when M is larger than M2, the control module selects a third heating time proportion Bt3 and calculates the time required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time.

Further, when the control module selects the ith heating temperature Ti and the jth heating proportion Btj to calculate the heating time trj, and sets j to 1, 2 and 3, and the control box controls the heating wires to heat the secondary mixed material at the corresponding heating temperature and heating time, the control module controls the standard fermentation temperature T0 and the standard fermentation time T0 to perform heat preservation fermentation on the secondary mixed material.

Further, in the step d, the control module is further provided with a preset culture temperature, a preset culture humidity and a preset culture pH value, the control module monitors the growth condition of the hyphae in real time through a camera, the control box controls the actual temperature, the actual humidity and the actual pH value of the aseptic chamber to be detected if the hyphae grow slowly according to the hyphae growth condition obtained by the control module, if the actual temperature, the actual humidity and the actual pH value are not matched with the preset culture temperature, the preset culture humidity and the preset culture pH value, the control box controls and adjusts the actual temperature, the actual humidity and the actual pH value, if the actual temperature, the actual humidity and the actual pH value are matched, the control box controls and adjusts the preset culture temperature, the preset culture humidity or the preset culture pH value and detects the growth condition of the bacteriocin a period ta, after the preset culture temperature, the culture humidity or the preset culture pH value is adjusted, the growth speed of hyphae is accelerated, and then the current culture temperature, the current culture humidity or the current culture pH value is used as the preset culture temperature, the preset culture humidity or the preset culture pH value by the control box.

Further, in the step a, the raw materials are at least two mixed materials of preserved carya cathayensis, camellia oleifera shells, wood chips and bran, and the mass fractions of the mixed materials are as follows: 20-45 parts of preserved hickory nuts, 15-30 parts of oil-tea camellia shells, 20-30 parts of wood chips and 15-25 parts of bran, wherein in the step b, the auxiliary materials are mixed materials of gypsum, sugar, ammonium dihydrogen phosphate and urea, and the mixed materials comprise 2-6 parts of gypsum, 0.5-2 parts of sugar, 1-2 parts of ammonium dihydrogen phosphate and 1-2 parts of urea in percentage by mass.

Compared with the prior art, the method has the advantages that when the secondary fermentation is carried out on the secondary mixed material, the quality of the raw materials, the humidity proportion, the fermentation duration, the surface layer humidity and the fermentation temperature in the secondary fermentation process are detected and compared with the preset standard value, the control module judges the secondary fermentation process through the comparison result and adjusts the temperature and the humidity according to the fermentation process, so that the secondary fermentation process is controlled more accurately, the utilization rate of the raw materials required for producing the agaric is improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.

Further, through setting up standard raw materials quality and standard humidity proportion in the control module, when carrying out secondary fermentation to the secondary mixed material, control module is through acquireing the testing result of inlayer humidity detector and top layer humidity detector carries out calculation actual humidity proportion, and is further through right actual humidity proportion with standard humidity proportion compares, control module judges whether need stir the material according to comparing the result to make its inlayer humidity and top layer humidity's humidity proportion keep at standard humidity proportion, guarantee the even fermentation of culture medium at secondary fermentation in-process culture medium, control more accurately the process of secondary fermentation has improved the rate of utilization of the required raw materials of production auricularia auriculajudae, has further guaranteed fermentation efficiency to the quality of auricularia auriculajudae has further been improved.

Further, when the control module judges that secondary mixed materials of secondary fermentation need to be stirred, the control module judges that the difference is in the range of the preset humidity ratio difference by calculating the actual difference of the actual humidity ratio and the standard humidity ratio, and selects corresponding stirring time length according to the range to stir the culture medium of the secondary fermentation, so that the process of the secondary fermentation is controlled more accurately, the utilization rate of raw materials required for producing the agaric is improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.

Further, when the control module selects the corresponding duration to stir the secondary mixed material of the secondary fermentation, the control module further acquires the duration of the fermentation, compares the duration of the fermentation with the standard fermentation duration to calculate the duration of the residual fermentation, and adjusts the stirring duration according to the duration of the residual fermentation, so that the accurate control of the secondary fermentation process is further improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.

Further, through control module presets standard top layer humidity, control module compares through top layer humidity to the reality and presets standard top layer humidity, and control module judges whether need to spray water according to the comparison result, and is right if control module judges that need to spray water for the secondary mixing material, then control module calculates the top layer humidity difference according to this comparison result to it is long so that atomizing spray set sprays water to the secondary mixing material to select corresponding secondary mixing material water spray time according to the humidity difference, has further improved the accurate control to the secondary fermentation process, has further guaranteed fermentation efficiency to the quality of edible fungus has further been improved.

Further, when carrying to the fermentation storehouse and fermenting to the secondary mixed material that mixes the completion, control module acquires actual raw materials quality and selects heating temperature to preheat the secondary mixed material between two preset raw materials qualities according to raw materials quality place, can carry out secondary sterilization to the secondary mixed material on the one hand, and on the other hand does benefit to control module to the accurate control of secondary mixed material, has improved the accurate control to the secondary fermentation process, has further guaranteed fermentation efficiency to the quality of edible tree fungus has further been improved.

Furthermore, the heating time proportion is preset in the control module, when the control module selects and determines the heating time proportion to be completed according to the quality of the raw materials, the control module further calculates the heating temperature of secondary fermentation of the secondary mixed materials in the fermentation bin according to the heating time proportion, and further calculates the time length of the heat preservation process, so that the accurate control of the secondary fermentation process is improved, the fermentation efficiency is further ensured, and the quality of the edible fungus is further improved.

Further, when the control module selects the heating temperature and the heating time of the secondary mixed material for secondary fermentation and further calculates and determines the heat preservation fermentation time, the control module determines the determined heat preservation temperature to the fermentation temperature for the secondary fermentation, so that the accurate control of the secondary fermentation process is improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.

Further, through set up the camera in the aseptic culture room with the growth situation of real-time detection hypha and through the temperature in the aseptic culture room of humiture detector real-time supervision, humidity and pH value, through comparing real-time temperature and predetermine the temperature, real-time humidity and predetermine humidity, real-time pH value and predetermine the pH value and judge whether match, if hypha growth is slow under the matching condition, then adjust through control module and predetermine the temperature or predetermine humidity or predetermine the pH value, hypha growth is slow under the mismatching condition, then adjust through control module control so that actual temperature reaches predetermine temperature value or so that actual humidity reaches predetermine humidity value or so that actual pH value reaches predetermine the pH value, further improved the control to the process of cultivateing, thereby further improved the growth efficiency of auricularia auricular.

Drawings

FIG. 1 is a schematic structural diagram of a process for producing Auricularia using secondary fermentation technology according to the present invention;

FIG. 2 is a schematic diagram of a structure of a cultivation room for a process for producing Auricularia using secondary fermentation technology according to the present invention;

FIG. 3 is a schematic view of a cultivation shelf in a cultivation room for producing Auricularia using secondary fermentation technology according to the present invention;

FIG. 4 is a flow chart of a process for producing Auricularia auricula by using secondary fermentation technology according to the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Fig. 1 is a schematic structural diagram of an apparatus for manufacturing agaric by using secondary fermentation technology according to the present invention. The device for producing the agaric by adopting the secondary fermentation technology comprises a control box (not shown in the figure), a stirring tank 1, a material distribution tank 2, a fermentation bin 3 and a conveying mechanism 4, wherein a control module (not shown in the figure) is arranged in the control box, the stirring tank 1 comprises a tank body 10, a motor 11, a first stirring paddle 12 and a first discharge hole 17, a first humidity detector 13, a first temperature sensor 14, a PH value detector 15 and a first atomizing sprayer 16 are respectively arranged on the side wall of the stirring tank 1, the material distribution tank 2 is in a hemispherical shape and is respectively provided with at least one feed inlet 20 and at least three discharge holes 21, and the feed inlet 20 and the discharge hole 21 of the material distribution tank 2 are respectively provided with a one-way valve. Fermentation storehouse 3 with the 21 quantity correspondences of discharge gate of powder jar 2, and include second stirring rake 30, second temperature sensor 31, top moisture detector 31, second PH value detector 32, inlayer moisture detector 33, discharge gate 34 and second atomizing spray thrower 35, the bottom in fermentation storehouse 3 still is provided with the heater strip (not drawn in the figure), transport mechanism is used for conveying the secondary mixed material that accomplishes through the secondary fermentation to the right-hand member through the conveyer belt and bagging-off.

Control module (not drawn in the figure) respectively with motor 11, first stirring rake 12, first moisture detector 13, first temperature sensor 14, PH value detector 15, first atomizing spray thrower 16, divide feed inlet valve and discharge gate valve, second stirring rake 30, second temperature sensor 31, top layer moisture detector 31, second PH value detector 32, inlayer moisture detector 33, second atomizing spray thrower 35 and heater strip vector of material jar 2 for acquire in real time and detect numerical value and control the operating condition of first stirring rake 12, second stirring rake 30, first atomizing spray thrower 16, second atomizing spray thrower 35 and heater strip (not drawn in the figure).

Please refer to fig. 2, which is a schematic structural diagram of a cultivation room for a process of producing agaric by using secondary fermentation technology according to the present invention. According to the process for producing the edible fungus by adopting the secondary fermentation technology, the edible fungus is cultured in an aseptic culture chamber 5, a plurality of culture frames 6 are arranged in the aseptic culture chamber 5, the interval between every two culture frames 6 is 2m, a guide rail 8 is arranged on the top surface inside the aseptic culture chamber 5, a camera device 7 is mounted on the guide rail and used for monitoring the growth condition of the edible fungus, and a temperature and humidity detector 9 for detecting the PH value is further arranged in the aseptic culture chamber and used for monitoring the environment of the aseptic culture chamber in real time.

Fig. 3 is a schematic view of a cultivation shelf in a cultivation room for producing Auricularia using secondary fermentation technology according to the present invention. The culture shelf provided by the embodiment of the invention comprises a shelf body 61, a shelf board 62 and a plurality of third atomizing sprayers 63, and is used for placing a culture medium 64 which is packaged and inoculated on the shelf board 63 for cultivation.

Fig. 4 is a flow chart of a process for producing agaric by using secondary fermentation technology according to the present invention. The process for producing the agaric by adopting the secondary fermentation technology comprises the following steps:

step a: crushing the raw materials, adding water, mixing, stacking, and performing primary fermentation to obtain a primary mixed material;

step b: crushing the primary mixed material after primary fermentation, mixing the crushed primary mixed material with auxiliary materials, adding the mixture into a stirring tank, sterilizing at high temperature, stirring and uniformly mixing to obtain a secondary mixed material, and conveying the secondary mixed material to a fermentation bin for secondary fermentation to obtain a culture medium;

step c: bagging the culture medium subjected to secondary fermentation for inoculation;

step d: placing the inoculated culture medium in an aseptic chamber for fungus cultivation, and monitoring the production condition of hyphae in real time;

in the step B, a standard raw material mass M0, a standard humidity proportion B0, a standard fermentation time T0, a standard surface humidity S0 and a preset fermentation temperature T0 are arranged in a control box, the control box compares the raw material mass M added in the primary fermentation with the standard raw material mass M0, if M is larger than M0, the control box monitors the temperature, the humidity and the PH in the fermentation bin in real time in a standard fermentation time ta0, the control box compares the actual humidity proportion B with the standard humidity proportion B0 by actually detecting the surface humidity Sb and the inner humidity Sn of the secondary mixed material in the fermentation bin and calculates the actual humidity proportion B of the inner humidity and the surface humidity, and if B is smaller than B0, the control box controls and stirs the secondary mixed material and sets the stirring time according to the difference between the actual humidity proportion and the standard humidity proportion, if B is less than B0 and Sb is less than S0, the control box controls the water spraying of the mixed materials when the secondary mixed materials are stirred, the water spraying duration is set according to the difference value between the surface layer humidity and the inner layer humidity, and the stirring duration is set according to the difference value between the actual humidity ratio and the standard humidity ratio;

when the secondary mixed material is conveyed to a fermentation cabin for fermentation, the control box selects a corresponding heating temperature T according to the actual quality M of the raw material to preheat the secondary mixed material for tb time, and after preheating is completed, the secondary mixed material is kept in a preset fermentation temperature T0 for fermentation tb0 time.

Particularly, when carrying out secondary fermentation to secondary mixture, through right time, surface layer humidity and fermentation temperature detect and compare with the standard value of predetermineeing when in-process raw materials quality, humidity ratio, fermentation of secondary fermentation, control module is right through the comparison result secondary fermentation process is judged and is adjusted according to temperature and humidity when fermenting to make more accurate control the process of secondary fermentation has improved the rate of utilization of the required raw materials of production auricularia auriculajudae, has further guaranteed fermentation efficiency to the quality of auricularia auriculajudae has further been improved.

Referring to fig. 4, in the step B, a control module is disposed in the control box, the standard raw material mass M0 and the standard humidity ratio B0 are disposed in the control module, when the secondary mixed material is subjected to secondary fermentation, the control module obtains the inner layer humidity Sn and the surface layer humidity Sb of the secondary mixed material in the fermentation bin and calculates an actual humidity ratio B, sets B to Sb/Sn, compares the actual humidity ratio B with the standard humidity ratio B0, obtains the primary mixed material mass M if B is less than B0, and controls the secondary mixed material to be stirred if M is greater than M0.

Particularly, through setting up standard raw materials quality and standard humidity proportion in control module, when carrying out secondary fermentation to the secondary mixed material, control module is through acquireing inlayer humidity detector and surface layer humidity detector's testing result carries out calculation actual humidity proportion, and is further through right actual humidity proportion with standard humidity proportion compares, control module judges whether need stir the material according to the comparison result to make its inlayer humidity and surface layer humidity's humidity proportion keep at standard humidity proportion, guarantee the even fermentation of culture medium at secondary fermentation in-process culture medium, control more accurately secondary fermentation's process has improved the rate of utilization of the required raw materials of production auricularia auriculajudae, has further guaranteed fermentation efficiency, thereby has further improved the quality of auricularia auriculajudae.

Referring to fig. 4, in the process for producing agaric by using secondary fermentation technology according to the embodiment of the present invention, a preset humidity ratio difference and a stirring duration are set in the control module, the humidity ratio difference includes a first preset humidity ratio difference Δ B1, a second preset humidity ratio difference Δ B2, and a third preset humidity ratio difference Δ B3, where Δ B1 is greater than Δ B2 and less than Δ B3, the stirring duration includes a first stirring duration t1, a second stirring duration t2, a third stirring duration t3, a t1 is greater than t2 and less than t3,

when the control box controls to stir the secondary mixed material in the fermentation bin, the control module selects corresponding stirring time length according to the actual humidity ratio difference delta B to stir the secondary mixed material,

when delta B is more than or equal to delta B1 and less than or equal to delta B1, the control module selects a first stirring time period t1 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin,

when delta B is more than or equal to delta B2 and less than or equal to delta B3, the control module selects a second stirring time period t2 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin,

when delta B is larger than delta B3, the control module selects a third stirring time period t3 to enable the control box to control the stirring of the secondary mixed materials in the fermentation bin.

Specifically, when the control module judges that secondary mixed materials of secondary fermentation need to be stirred, the control module judges that the difference is in the range of the preset humidity ratio difference by calculating the actual difference of the actual humidity ratio and the standard humidity ratio, and selects corresponding stirring time length according to the range to stir the culture medium of the secondary fermentation, so that the process of the secondary fermentation is controlled more accurately, the utilization rate of raw materials required for producing the agaric is improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.

With reference to fig. 4, in the process for producing agaric by using secondary fermentation technology according to the embodiment of the present invention, the control module further has a preset remaining time and a stirring time adjustment coefficient, where the preset remaining time includes a first preset remaining time Δ t1, a second preset remaining time Δ t2, and a third preset remaining time Δ t3, where Δ t1 is greater than Δ t2 and less than Δ t3, the stirring time adjustment coefficient includes a first stirring time adjustment coefficient k1, a second stirring time adjustment coefficient k2, and a third stirring time adjustment coefficient k3, where 1 is greater than k1 and less than k2 is greater than k3 and less than 2,

when the central control module selects the ith stirring time ti so that the control box controls the stirring of the secondary mixed material in the fermentation bin, setting i to be 1, 2 and 3, the control module acquires the time ts for fermenting the secondary mixed material, calculates the difference value delta t by comparing the time t for fermenting with the standard fermentation time t0, sets delta t to be t0-ts, and the control box adjusts the stirring time according to the actual residual fermentation time,

when the delta t is more than the delta t1 and less than or equal to the delta t2, the control module selects a first stirring time length adjusting coefficient k1 so that the control box controls the stirring time length to be adjusted,

when the delta t is more than the delta t2 and less than or equal to the delta t3, the control module selects a second stirring time length adjusting coefficient k2 so that the control box controls the stirring time length to be adjusted,

when delta t is more than delta t3, the control module selects a third stirring time length adjusting coefficient k3 to enable the control box to control the stirring time length to be adjusted,

when the control module selects the j-th stirring time length adjusting coefficient kj to enable the control box to adjust the stirring time length, setting j to be 1, 2 and 3, and setting the adjusted stirring time length to be t i ', t i' to be t i × kj.

Particularly, when control module has selected and has corresponded duration when stirring to the secondary mixed material of secondary fermentation, control module further obtains the duration of having fermented, and control module is long through the duration of having fermented and the long comparison of standard fermentation is long to calculate the duration of remaining fermentation to it adjusts the duration of stirring according to the duration of remaining fermentation, has further improved the accurate control to the secondary fermentation process, has further guaranteed fermentation efficiency, thereby has further improved the quality of auricularia auricular.

With reference to fig. 4, in the process for producing agaric by using secondary fermentation technology according to the embodiment of the present invention, the standard surface humidity S0 is set in the control module, the control module is further provided with a preset surface humidity difference and a water spraying time length, the preset surface humidity includes a first preset surface humidity difference Δ S1, a second preset surface humidity difference Δ S2 and a third preset surface humidity difference Δ S3, where Δ S1 is greater than Δ S2 and less than Δ S3, the water spraying time length includes a first water spraying time length tp1, a second water spraying time length tp2 and a third water spraying time length tp3, where tp1 is greater than tp2 and less than tp3,

when the control box controls the stirring paddle to stir the secondary mixed material, the control module obtains the actual surface humidity Sn of the secondary mixed material, the actual surface humidity Sn is compared with the standard surface humidity S0, if Sn is less than S0, the control module calculates the difference Delta S between the standard surface humidity S0 and the actual surface humidity Sn, the set Delta S is S0-Sn, and the control module selects the corresponding water spraying time to spray water to the secondary mixed material according to the difference,

when the delta S is more than or equal to delta S1 and less than or equal to delta S2, the control module selects a first water spraying time tp1 to enable the control box to control water spraying to the secondary mixed materials,

when the delta S is more than or equal to delta S2 and less than or equal to delta S3, the control module selects a second water spraying time tp2 to enable the control box to control water spraying to the secondary mixed materials,

and when the delta S is larger than the delta S3, the control module selects a third water spraying time period tp3 so that the control box controls water spraying to the secondary mixed materials.

Particularly, through control module presets standard top humidity, control module compares through top humidity to the reality and presets standard top humidity, and control module judges whether need to spray water according to the comparison result, and it is right if control module judges that need be right the secondary mixing material sprays water, then control module calculates the top humidity difference according to this comparison result to it is long so that atomizing spray set sprays water to the secondary mixing material to select corresponding secondary mixing material water spray time according to the humidity difference, has further improved the accurate control to the secondary fermentation process, has further guaranteed fermentation efficiency, thereby further improved the quality of edible tree fungus.

Referring to fig. 4, in the step b, the control module further sets a preset raw material mass and a heating temperature, where the preset raw material mass includes a first preset raw material mass M1, a second preset raw material mass M2, and a third preset raw material mass M3, where M1 is greater than M2 and less than M3, M1 is greater than M0, the heating temperature includes a first heating temperature T1, a second heating temperature T2, a third heating temperature T3, a first heating temperature T1 is greater than T2 and less than T3, and T1 is greater than T0,

when the control box controls the preheating of the secondary mixed material conveyed to the fermentation bin, the control module selects a corresponding heating temperature according to the actual raw material quality M to heat the secondary mixed material,

when M is more than M1 and less than or equal to M2, the control module selects a first heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T1,

when M is more than M2 and less than or equal to M3, the control module selects a second heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T2,

when M is larger than M3, the control module selects a third heating temperature to enable the control box to control the heating wire to heat the secondary mixed material to T3.

Particularly, when carrying to the fermentation storehouse and fermenting to the secondary mixed material who mixes the completion, control module acquires actual raw materials quality and selects heating temperature to preheat the secondary mixed material between two preset raw materials quality according to raw materials quality place, can carry out secondary sterilization to the secondary mixed material on the one hand, and on the other hand does benefit to control module to the accurate control of secondary mixed material, has improved the accurate control to the secondary fermentation process, has further guaranteed fermentation efficiency to the quality of edible fungus has further been improved.

With reference to fig. 4, in the process for producing agaric by using the secondary fermentation technology according to the embodiment of the present invention, the control module further has a preset heating time ratio, wherein the preset heating time ratio includes a first heating time ratio Bt1, a second heating time ratio Bt2, and a third heating time ratio Bt3, Bt1 < Bt2 < Bt3,

when the control box controls to heat the secondary mixed material at the ith heating temperature Ti, setting i to be 1, 2 and 3, selecting a corresponding heating time length proportion by the control module according to the actual raw material quality and calculating the heating time length tr so that the control box controls a heating wire to heat the secondary mixed material, setting Bt to be tr/t0,

when M is more than M1 and less than or equal to M2, the control module selects a first heating time proportion Bt1 and calculates the time length required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time length,

when M is more than M1 and less than or equal to M2, the control module selects a second heating time proportion Bt2 and calculates the time length required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time length,

and when M is larger than M2, the control module selects a third heating time proportion Bt3 and calculates the time required to be heated so that the control box controls the heating wires to heat the secondary mixed material by the calculated heating time.

Particularly, through presetting the length of time proportion of heating at control module, control module chooses to confirm according to the raw materials quality when the length of time proportion of heating is accomplished, control module further calculates according to the length of time proportion of heating and needs to the secondary mixed material in the fermentation storehouse carries out the heating temperature of secondary fermentation to further calculate the length of time of heat preservation process, improved the accurate control to the secondary fermentation process, further guaranteed fermentation efficiency, thereby further improved the quality of edible tree fungus.

Referring to fig. 4, in the process for producing agaric by using the secondary fermentation technology according to the embodiment of the present invention, when the control module selects the ith heating temperature Ti and the jth heating ratio Btj to calculate the heating time length trj, and sets j to 1, 2, and 3, and the control box controls the heating wire to heat the secondary mixed material at the corresponding heating temperature and heating time length, the control module controls the standard fermentation temperature T0 and the standard fermentation time length T0 to perform the heat preservation fermentation on the secondary mixed material.

Particularly, when the control module selects the heating temperature and the heating time of the secondary mixed material for secondary fermentation and further calculates and determines the heat preservation fermentation time, the control module determines the fermentation temperature for the secondary fermentation from the determined heat preservation temperature, so that the accurate control of the secondary fermentation process is improved, the fermentation efficiency is further ensured, and the quality of the agaric is further improved.

In step d, control module still is equipped with and predetermines the cultivation temperature, predetermines cultivation humidity and predetermines cultivation pH value, control module passes through camera real-time supervision the growth situation of hypha, the control box basis the hypha growth situation that control module obtained, if hypha growth speed is slow, then control box control is right the actual temperature, actual humidity and the actual pH value of aseptic room detect, if actual temperature, actual humidity and actual pH value and predetermine cultivation temperature, predetermine cultivation humidity and predetermine cultivation pH value and mismatch, then control box control adjusts actual temperature, actual humidity and actual pH value, if actual temperature, actual humidity and actual pH value match, then control box control adjusts predetermine cultivation temperature or cultivation humidity or predetermine cultivation pH value to it is right with cycle ta the growth situation of bacterin detects, after the preset culture temperature, the culture humidity or the preset culture pH value is adjusted, the growth speed of hyphae is accelerated, and then the current culture temperature, the current culture humidity or the current culture pH value is used as the preset culture temperature, the preset culture humidity or the preset culture pH value by the control box.

Particularly, through set up the growth situation of camera with the real-time detection hypha and through the temperature in the sterile culture room of humiture detector real-time supervision in the sterile culture room, humidity and pH value, through comparing real-time temperature and predetermine the temperature, real-time humidity and predetermine humidity, real-time pH value and predetermine the pH value and judge whether match, if hypha growth is slow under the matching condition, then adjust through control module and predetermine the temperature or predetermine humidity or predetermine the pH value, hypha growth is slow under the mismatching condition, then adjust through control module control so that actual temperature reaches predetermine temperature value or so that actual humidity reaches predetermine humidity value or so that actual pH value reaches predetermine the pH value, further improved the control to the process of cultivateing, thereby further improved the growth efficiency of auricularia auricular.

Referring to fig. 4, in the process for producing agaric by using secondary fermentation technology according to the embodiment of the present invention, in step a, the raw materials are at least two mixed materials of preserved carya cathayensis, camellia oleifera shells, wood chips and bran, and the mass fraction of each mixed material is: 20-45 parts of preserved hickory nuts, 15-30 parts of oil-tea camellia shells, 20-30 parts of wood chips and 15-25 parts of bran, wherein in the step b, the auxiliary materials are mixed materials of gypsum, sugar, ammonium dihydrogen phosphate and urea, and the mixed materials comprise 2-6 parts of gypsum, 0.5-2 parts of sugar, 1-2 parts of ammonium dihydrogen phosphate and 1-2 parts of urea in percentage by mass.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.