阅读说明：本技术 一种综合操作一体化制曲机及制曲方法 (Integrated operation starter propagation machine and starter propagation method ) 是由 宋军 孔祥兵 刘湘 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种综合操作一体化制曲机,包括卧式的制曲罐和带动其周向转动的动力机构,制曲罐的内侧壁上端设置有若干个搅拌叶；制曲罐的上端两侧分别设置有与制曲罐内部连通的进水管和出风口,下端内由上至下依次设置有温度传感器、筛孔板、压力传感器、热蒸汽进气管、冷空气进气管和排水管,制曲罐的表面还设置有进料孔和人孔；冷空气进气管的进风口连接有一风机,风机的进风口与出风口连接,制曲罐的另一侧设置有物料出口进料孔运用本设备的淘洗、浸泡、蒸料、制曲的所有作业环节均以设备的卧式正、反旋转/转动作完成,将多个作业要求综合完成,降低管理成本,且效果更好。(The invention discloses a comprehensive operation integrated starter propagation machine, which comprises a horizontal starter propagation tank and a power mechanism for driving the starter propagation tank to rotate circumferentially, wherein the upper end of the inner side wall of the starter propagation tank is provided with a plurality of stirring blades; a water inlet pipe and an air outlet which are communicated with the inside of the koji making tank are respectively arranged on two sides of the upper end of the koji making tank, a temperature sensor, a sieve plate, a pressure sensor, a hot steam inlet pipe, a cold air inlet pipe and a drain pipe are sequentially arranged in the lower end from top to bottom, and a feed hole and a manhole are also arranged on the surface of the koji making tank; the air inlet of the cold air inlet pipe is connected with a fan, the air inlet of the fan is connected with an air outlet, the other side of the yeast making tank is provided with a material outlet feeding hole, all operation links of elutriation, soaking, material steaming and yeast making of the equipment are completed by horizontal forward and backward rotation/rotation of the equipment, a plurality of operation requirements are comprehensively completed, the management cost is reduced, and the effect is better.)

1. The utility model provides a synthesize operation integration starter propagation machine which characterized in that: the device comprises a horizontal starter propagation tank (6) and a power mechanism for driving the starter propagation tank (6) to rotate circumferentially, wherein a plurality of stirring blades (7) are arranged at the upper end of the inner side wall of the starter propagation tank (6); a water inlet pipe (1) and an air outlet (9) which are communicated with the inside of the koji making tank (6) are respectively arranged on two sides of the upper end of the koji making tank (6), a temperature sensor (4), a sieve plate (30), a pressure sensor (16), a hot steam inlet pipe (22), a cold air inlet pipe (23) and a drain pipe (28) are sequentially arranged in the lower end of the koji making tank from top to bottom, and a feed hole (5) and a manhole (18) are also arranged on the surface of the koji making tank (1); the air inlet of the cold air inlet pipe (23) is connected with a fan (14), the air inlet of the fan (14) is connected with the air outlet (9), and the other side of the koji making tank (6) is provided with a material outlet (29) and a material inlet hole (5).

2. The integrated operation koji-making machine according to claim 1, wherein: the starter propagation tank (6) is also connected with a brake device (21).

3. The integrated operation koji-making machine according to claim 1, wherein: a plurality of the stirring blades (7) are spirally arranged on the inner side wall of the koji making tank (6).

4. The integrated operation koji-making machine according to claim 1, wherein: the power mechanism comprises a motor (26), a driving gear (25) is fixedly sleeved on a rotating shaft of the motor (26), and a driven gear ring (3) meshed with the driving gear (25) is fixedly sleeved on the surface of the koji making tank (6).

5. The integrated operation koji-making machine according to claim 1, wherein: the inlet of the hot steam inlet pipe (22) is connected with a pressure reducing valve (11) and a steam generator (12) in series.

6. The integrated operation koji-making machine according to claim 1, wherein: an air inlet of the fan (14) is connected with the upper end of the koji making tank (6) through one end of a first ball valve (13); the air outlet of the fan (14) is connected with the air inlet (17) of the cold air inlet pipe (23) through a second ball valve (31).

7. The integrated operation koji-making machine according to claim 6, wherein: and an air inlet of the fan (14) and the other end of the first ball valve (13) are communicated with the outside through a third ball valve (32).

8. A koji making method characterized by: the integrated koji making machine with the integrated operation according to any of claims 1 to 7, comprising the steps of:

s1, feeding and elutriating: closing a valve on the drain pipe (28), adding soybeans and water into the koji making tank (6) through the feed hole (5) and the water inlet pipe (1) respectively, then rotating the koji making tank (6) for elutriation, and discharging elutriation water through the drain pipe (28) after the elutriation is finished;

s2, soaking: injecting water through the water inlet pipe (1), completely immersing soybeans, manually intervening to enable the surface layer of the soybeans to be horizontal by opening a manhole (18), then rotating the koji making tank (6) for 2-3 weeks, and finally discharging soaking water through the water discharge pipe (28);

s3, steam feeding and steaming: injecting hot steam into the koji making tank (6) through a hot steam inlet pipe (22), wherein the material steaming time is 2.5-3 h until the pressure in the koji making tank (6) is maintained and controlled to be 0.15-0.25 MPa, when the temperature in the koji making tank (6) reaches 100 ℃, the material is continuously steamed for 0.5-1 h until bean fragrance overflows in the koji making tank (6), finally, the hot steam is stopped being conveyed, sampling is carried out through the manhole (18), the material steaming is stopped when the steam reaches the standard, and the steam is continuously repeated until the steam is mature when the steam does not reach the standard;

s4, cooling inoculation: filling cold air into the starter propagation tank (6) to enable the temperature to be 35-40 ℃, then spreading strains on the soybeans, and rotating the starter propagation tank (6) for 3-5 weeks;

s5, starter propagation: maintaining the temperature in the koji making tank (6) at 33-38 ℃, starting an internal circulation mode for keeping the fan (14) after about 8 hours of inoculation, opening a first ball valve (13) and a second ball valve (31) at the moment, and closing a third ball valve (32); when the fan (14) operates for 8-16 hours, the covers of the feeding hole (5), the manhole (18) and the material outlet (29) are opened at intervals of about 1.5 hours, and the external circulation mode of the fan (14) is switched;

s6, turning: the connection between the fan (14) and the air inlet (17) and the air outlet (9) is cut off after about 24 hours of inoculation, simultaneously covering the covers of the air inlet (17), the air outlet (9), the feeding hole (5), the manhole (18) and the material outlet (29), then rotating the koji making tank (6) clockwise for 5-10 weeks, turning over koji, then rotating the koji making tank (6) clockwise and anticlockwise until the koji material surface layer of the koji making tank (6) is flattened, then covering the cover of the manhole (18), opening the covers of the air inlet (17) and the air outlet (9) and communicating with the fan (14) again, then, when the fan (14) operates for 8-16 hours, the covers of the feeding hole (5), the manhole (18) and the material outlet (29) are opened at intervals of about 1.5 hours, and the mode is converted into an external circulation mode of the fan (14);

s7, starter propagation: when the koji making time reaches 45-62 h, the color of the material is turned to yellow green, and when the moisture is dry, the fan (14) is disconnected with the air inlet (17) and the air outlet (9), and the koji making tank (6) is rotated in the counterclockwise direction to make koji.

9. A koji making method according to claim 8, wherein: in the step S2, water is injected through the water inlet pipe (1) and the soybeans are completely immersed, and the water level is 20 cm higher than the soybean surface; in step S3, when hot steam is injected into the koji making tank (6) through the hot steam inlet pipe (22), a valve on the water inlet pipe (1) is opened to be communicated with the outside, and the overflow of micro hot steam is ensured.

10. A koji making method according to claim 8, wherein: in step S4, temperature control is performed in two ways, the first way is to open the covers of the feeding hole (5), the manhole (18) and the material outlet (29) for natural cooling; and the second method is to open the covers of the feed hole (5), the manhole (18) and the material outlet (29), simultaneously connect the fan (14) with the air inlet (17) and the air outlet (9), simultaneously convert the fan into an external circulation mode of the fan (14), and remove the fan (14) when the temperature in the koji making tank (6) is marked.

Technical Field

The invention relates to the technical field of food processing, in particular to a koji making machine integrating comprehensive operation and a koji making method.

Background

At present, soybeans are required to be used for koji making during sweet soybean paste making, the steps of koji making are elutriation (feeding, water supply and drainage and elutriation), soaking (feeding, water supply and drainage and soaking), steaming (feeding, steam supply and drainage, steaming and discharging) and koji making (feeding, cooling, inoculation, koji making, koji turning and koji discharging) sectional operation, the number of input operating personnel, operating procedures and operating places is large, corresponding personnel, property and material factors can be increased when each operating personnel/procedure/place is added, the management cost is increased for the manufacturing industry, and the management and technical risks are increased.

Therefore, those skilled in the art are devoted to develop a highly automated integrated starter propagation machine and starter propagation method.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention provides a high-automation integrated starter propagation machine and a starter propagation method.

In order to achieve the aim, the invention provides a comprehensive operation integrated starter propagation machine, which comprises a horizontal starter propagation tank and a power mechanism for driving the starter propagation tank to rotate circumferentially, wherein a plurality of stirring blades are arranged at the upper end of the inner side wall of the starter propagation tank; a water inlet pipe and an air outlet which are communicated with the inside of the koji making tank are respectively arranged on two sides of the upper end of the koji making tank, a temperature sensor, a sieve plate, a pressure sensor, a hot steam inlet pipe, a cold air inlet pipe and a drain pipe are sequentially arranged in the lower end of the koji making tank from top to bottom, and a feed hole and a manhole are also arranged on the surface of the koji making tank; the air inlet of the cold air inlet pipe is connected with a fan, the air inlet of the fan is connected with the air outlet, and the other side of the koji making tank is provided with a material outlet and feeding hole.

The starter propagation tank is also connected with a brake device.

A plurality of the stirring blades are spirally arranged on the inner side wall of the koji making tank.

The power mechanism comprises a motor, a driving gear is fixedly sleeved on a rotating shaft of the motor, and a driven gear ring meshed with the driving gear is fixedly sleeved on the surface of the koji making tank.

And the inlet of the hot steam inlet pipe is connected with a pressure reducing valve and a steam generator in series.

An air inlet of the fan is connected with the upper end of the koji making tank through one end of a first ball valve; and the air outlet of the fan is connected with the air inlet of the cold air inlet pipe through a second ball valve.

And the air inlet of the fan and the other end of the first ball valve are communicated with the outside through a third ball valve.

The invention also provides a starter propagation method, which adopts the integrated starter propagation machine for comprehensive operation and comprises the following steps:

s1, feeding and elutriating: closing a valve on the drain pipe, adding soybeans and water into the koji making tank through the feed hole and the water inlet pipe respectively, then rotating the koji making tank for elutriation, and discharging elutriation water through the drain pipe after the elutriation.

S2, soaking: through 1 income water of inlet tube and submergence soybean completely, through opening the manhole, carry out artificial intervention and make the soybean surface course level, then rotate the koji making jar 2 ~ 3 weeks, finally pass through the drain pipe discharges the soaking water.

S3, steam feeding and steaming: injecting hot steam into the koji making tank through a hot steam inlet pipe 22 until the pressure of the koji making tank is maintained and controlled to be in a state of 0.15-0.25 MPa, wherein the material steaming time is 2.5-3 hours, when the temperature of the koji making tank reaches 100 ℃, the material steaming is continued for 0.5-1 hour until bean fragrance overflows from the koji making tank, finally, the hot steam is stopped being conveyed, sampling is carried out through the manhole, the material steaming is stopped when the standard is reached, and the material steaming is continued to be repeated until the material steaming is mature when the standard is not reached.

S4, cooling inoculation: and (3) filling cold air to the starter propagation tank to enable the temperature to be 35-40 ℃, then spreading strains on the soybeans, and rotating the starter propagation tank for 3-5 weeks.

S5, starter propagation: maintaining the temperature of the koji making tank at 33-38 ℃, starting the fan circulation maintaining mode after about 8 hours of inoculation, opening the first ball valve and the second ball valve at the moment, and closing the third ball valve; and opening the covers of the feeding hole, the manhole and the material outlet at intervals of about 1.5h when the fan operates for 8-16 h, and simultaneously converting the external circulation mode of the fan.

S6, turning: about 24h after the inoculation, the disconnection the fan with the connection of air intake, air outlet is covered simultaneously the lid of air intake, air outlet, feed port, manhole and material export, later clockwise rotation the bent jar of 5 ~ 10 weeks of system turns over the bent operation, later in the same direction as, anticlockwise rotation the bent jar of system, extremely the bent material surface course of system jar is shakeout, later is covered the lid of manhole opens the lid of air intake, air outlet and again with the fan leads to even, then when 8 ~ 16h after the fan action, every interval is about 1.5h, opens the lid of feed port, manhole, material export converts into simultaneously the extrinsic cycle mode of fan.

S7, starter propagation: when the koji making time reaches 45-62 hours, the color of the material is turned to yellow green, and when the moisture is dry, the fan is disconnected with the air inlet and the air outlet, and the koji making tank is rotated anticlockwise to make koji.

Preferably, in the step S2, water is injected through the water inlet pipe and the soybeans are completely immersed, and the water level is 20 cm higher than the soybean surface; in step S3, when hot steam is injected into the koji making tank through the hot steam inlet pipe, the valve on the water inlet pipe is opened to communicate with the outside, thereby ensuring that a small amount of hot steam overflows.

In step S4, temperature control is performed in two ways, the first way is to open the covers of the feed hole, the manhole and the material outlet for natural cooling; and the second method is to open the covers of the feed hole, the manhole and the material outlet, simultaneously connect the fan with the air inlet and the air outlet, simultaneously convert the fan into an external circulation mode, and remove the fan when the temperature in the koji making tank reaches the standard.

The invention has the beneficial effects that: the invention discloses a comprehensive operation integrated starter propagation machine, which comprises a horizontal starter propagation tank and a power mechanism for driving the starter propagation tank to rotate circumferentially, wherein the upper end of the inner side wall of the starter propagation tank is provided with a plurality of stirring blades; a water inlet pipe and an air outlet which are communicated with the inside of the koji making tank are respectively arranged on two sides of the upper end of the koji making tank, a temperature sensor, a sieve plate, a pressure sensor, a hot steam inlet pipe, a cold air inlet pipe and a drain pipe are sequentially arranged in the lower end of the koji making tank from top to bottom, and a feed hole and a manhole are also arranged on the surface of the koji making tank; the air inlet of the cold air inlet pipe is connected with a fan, the air inlet of the fan is connected with the air outlet, and the other side of the koji making tank is provided with a material outlet. Realize horizontal rotating structure characteristic, all operation links of elutriating, soaking, steaming material, the system song of this equipment of application all regard as the physical state that this equipment used with horizontal just, anti-rotation/rotation of equipment, for example through the rotatory cleaner, soak (absorb moisture more even), evaporate the material (maturity is more balanced), effect and stability such as system song (the growth of microorganism is propagated more evenly) of equipment itself play the functional role of security to elutriating.

The equipment has the following advantages: 1. saving production places and spaces; 2. production process links are reduced, the labor amount is reduced, and the labor intensity is reduced; 3. the number of production personnel is saved, and the embarrassing situation and objective reality that a recruiter is difficult in the traditional industry are relieved; 4. and the product quality is maintained and stabilized.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, a comprehensive operation integrated koji making machine comprises a horizontal koji making tank 6 and a power mechanism for driving the koji making tank 6 to rotate circumferentially, wherein a plurality of stirring blades 7 are arranged at the upper end of the inner side wall of the koji making tank 6; a water inlet pipe 1 and an air outlet 9 which are communicated with the inside of the koji making tank 6 are respectively arranged on two sides of the upper end of the koji making tank 6, a temperature sensor 4, a sieve plate 30, a pressure sensor 16, a hot steam inlet pipe 22, a cold air inlet pipe 23 and a drain pipe 28 are sequentially arranged in the lower end of the koji making tank from top to bottom, and a feed hole 5 and a manhole 18 are also arranged on the surface of the koji making tank 1; air intake connection of cold air intake pipe 23 has a fan 14, fan 14 the air intake with air outlet 9 is connected, the opposite side of system bent jar 6 is provided with material outlet 29, and when system bent jar 6 rotated, fan 14 breaks away from and is connected with cold air intake pipe 23 and air outlet 9, and temperature sensor 4, sieve tray 30, pressure sensor 16, hot steam intake pipe 22, cold air intake pipe 23, drain pipe 28, inlet tube 1, air outlet 9 and stirring leaf 7 all rotate along with system bent jar 6.

The water inlet pipe 1 is responsible for inputting purified water and exhausting and decompressing, and the water outlet pipe 28 is responsible for discharging waste water and waste residues. The inlet of the hot steam inlet pipe 22 is connected in series with a pressure reducing valve 11 and a steam generator 12, and the hot steam inlet pipe 22 is responsible for inputting hot steam generated by the steam generator 12; the feed hole 5 and the manhole 18 are responsible for material pouring, observation and operation, and the temperature sensor 4 and the pressure sensor 16 are responsible for monitoring the pressure and temperature inside the koji making tank 6. The whole starter propagation machine is high in integrated comprehensive degree, all operation processes of soybean elutriation, soaking, material steaming and starter propagation are integrally completed, the occupied ground and space of a production place are effectively saved, and meanwhile, the turnover and transportation links of materials are saved or reduced, so that production operators are reduced.

In this embodiment, the power mechanism includes a motor 26, a driving gear 25 is fixedly sleeved on a rotating shaft of the motor 26, and a driven gear ring 3 meshed with the driving gear 25 is fixedly sleeved on the surface of the koji making tank 6, so that the structure is simple and the power transmission is accurate; in order to ensure that 6 circumferential direction of koji making jar are more smooth-going, this integrated operation koji making machine is installed on a base 20, positioning roller 2 has still been cup jointed at the both ends of koji making jar 6, install on the base 20 with positioning roller 2 complex supporting roller 27. The starter propagation tank 1 is also connected with a brake device 21 which is matched with a power device to conveniently control the starting and stopping of the starter propagation tank 6.

In this embodiment, the stirring blades 7 are spirally arranged on the inner side wall of the koji making tank 6.

An air inlet of the fan 14 is connected with one end of the koji making tank 6 through a first ball valve 13; the air outlet of the fan 14 is connected with the air inlet 17 of the cold air inlet pipe 23 through a second ball valve 31; the air inlet of the fan 14 and the other end of the first ball valve 13 are communicated with the outside through a third ball valve 32, and the switching between the internal circulation and the external circulation of the fan 14 can be realized through the opening and closing of the third ball valve 32, namely, the internal circulation is realized by closing the third ball valve 32, and the air flow in the koji making tank 6 is realized; the external circulation is to open the third ball valve 32 to introduce the external air into the koji making tank 6, to perform ventilation and regulation of the external air, to supplement the oxygen content in the koji making process, to discharge/reduce the carbon dioxide content in the koji making process in the tank, and to promote the growth and reproduction of microorganisms.

This equipment is through the project organization of self, with the soybean elutriation, soak, evaporate material, the bent all operation processes of system concentrate on an organic whole and accomplish, has not only practiced thrift occupation of land and the space in production place effectively, simultaneously, practices thrift or has reduced the turnover transportation link of material, has reduced production operation personnel from this simultaneously, has found very realistic breakthrough to people, property, thing challenge and the management bottleneck that traditional fermentation trade faced at present stage.

The embodiment also provides a koji making method, which adopts the integrated operation koji making machine and comprises the following steps:

s1, feeding and elutriating: closing a valve on the drain pipe 28, adding soybeans and water into the koji making tank 6 through the feed hole 5 and the water inlet pipe 1 respectively, then rotating the koji making tank 6 for elutriation, and discharging elutriation water through the drain pipe 28 after the elutriation is finished; the soybean stack is continuously turned by clockwise rotation of the tank body, the soybeans are turned and stirred for washing, silt and other impurities on the surfaces of the soybeans are washed away, washing water mixed with the silt and other impurities leaks down through the sieve plate 30, and finally the washing water is discharged through the water discharge pipe 28.

S2, soaking: through 1 injected water of inlet tube and submergence soybean completely, through opening manhole 18, carry out artificial intervention and make soybean surface course level, keep soybean surface course level in order to ensure that the soybean at different positions absorbs water even degree unanimously, then it is rotatory koji making jar 2 ~ 3 weeks, the rotatory bean grain that can promote different positions absorbs water even degree unanimously, passes through at last the drain pipe 28 discharges and soaks water. In step S2, water is injected through the water inlet pipe 1 and the soybeans are completely immersed, and the water level is 20 cm higher than the soybean surface.

S3, steam feeding and steaming: injecting hot steam into the koji making tank 6 through a hot steam inlet pipe 22 until the pressure in the koji making tank 6 is maintained and controlled to be 0.15-0.25 MPa, wherein the material steaming time is 2.5-3 h, when the temperature in the koji making tank 6 reaches 100 ℃, the material steaming is continued for 0.5-1 h until bean fragrance in the koji making tank 6 overflows, finally, the hot steam conveying is stopped, sampling is carried out through the manhole 18, the material steaming is stopped when the steam reaches the standard, and if the steam does not reach the standard, the steam steaming is continued to be mature, and the first ball valve 13 is opened for keeping the material steaming process at normal pressure; the rotation is favorable for adjusting the uniformity of the steamed material. In step S3, when hot steam is injected into the koji making tank 6 through the hot steam inlet pipe 22, the valve on the water inlet pipe 1 is opened to communicate with the outside, thereby ensuring that a small amount of hot steam overflows.

S4, cooling inoculation: pouring cold air into the starter propagation tank 6 to enable the temperature to be 35-40 ℃, then spreading strains on the soybeans, and rotating the starter propagation tank for 3-5 weeks; in step S4, there are two ways to control the temperature, the first way is to open the covers of the inlet 5, the manhole 18 and the material outlet 29 for natural cooling; the second method is to open the covers of the feed hole 5, the manhole 18 and the material outlet 29, connect the fan 14 with the air inlet 17 and the air outlet 9, and simultaneously switch to the external circulation mode of the fan 14, and remove the fan 14 when the temperature in the koji making tank 6 reaches the standard.

In step S4, uniformly scattering the processed strain material to be ready for inoculation into a clinker surface layer through the feeding hole 5, the manhole 18 and the material outlet 29, closing the feeding hole 5, the manhole 18 and the material outlet 29, clockwise rotating the tank body for 3-5 weeks to uniformly turn over the strain and the material, then checking the flatness of the material surface layer, and if necessary, opening the manhole 18 to manually intervene the flatness of the material layer, wherein the levelness of the clinker surface layer is not more than 5 cm; the distribution of the inoculated strains is uniform; the material tightness is uniform; the thickness of the material is uniform.

S5, starter propagation: maintaining the temperature in the koji making tank 6 at 33-38 ℃, starting an internal circulation mode for keeping the fan 14 after about 8 hours of inoculation, opening the first ball valve 13 and the second ball valve 31 at the moment, and closing the third ball valve 32; when the fan 14 operates for 8-16 hours, the covers of the feeding hole 5, the manhole 18 and the material outlet 29 are opened at intervals of about 1.5 hours, and the mode is converted into an external circulation mode of the fan 14; in the internal circulation mode, the fan 14 is linked with the temperature sensor to control the automatic start/stop/ventilation and stop operation of the fan 14, and the material temperature is automatically controlled within the range of 33-38 ℃.

S6, turning: after inoculation for about 24 hours, the fan 14 is disconnected with the connection between the air inlet 17 and the air outlet 9, the covers of the air inlet 17, the air outlet 9, the feeding hole 5, the manhole 18 and the material outlet 29 are covered at the same time, then the koji making tank is rotated clockwise for 65-10 weeks to perform koji turning operation, then the koji making tank 6 is rotated clockwise and anticlockwise until the material surface layer of the koji making tank 6 is flattened, then the cover of the manhole 18 is covered, the covers of the air inlet 17 and the air outlet 9 are opened and communicated with the fan 14 again, then the covers of the feeding hole 5, the manhole 18 and the material outlet 29 are opened every 1.5 hours when the fan 14 acts for 8-16 hours, and the external circulation mode of the fan 14 is converted at the same time. The external circulation mode is to ventilate and adjust external air, supplement the oxygen content in the starter propagation process, discharge/reduce the carbon dioxide content in the starter propagation process in the tank and promote the growth and the propagation of microorganisms. In the step of turning over the yeast, small lumps need to be kept as much as possible, and the surface layer is smooth.

S7, starter propagation: when the koji making time reaches 45-62 h, the color of the material is turned to yellow green, and when the moisture is dry, the fan 14 is disconnected with the air inlet 17 and the air outlet 9, and the koji making tank 6 is rotated counterclockwise to make koji.

S8, sanitation: after each batch of yeast making operation is contacted, the sanitation in the tank is cleaned in time, the residual materials in the tank are cleaned, and the inner wall, the screen and the sanitation of the outside of the tank and the surrounding environment are cleaned. Keeping the biological purity and physical permeability of the starter propagation process.

This equipment technical scheme is horizontal cylinder design mode to realize horizontal rotating structure characteristic, all operation links of the elutriation of this equipment, soak, evaporate material, system song all use the horizontal just, the anti-rotation/the rotation of equipment as the physical state that this equipment used, for example through the rotation of equipment itself to elutriating cleaner, soak (absorb moisture more even), evaporate material (maturity more balanced), system song (the growth of microorganism breeds more even) effect and stability play the functional role of security.

And secondly, the equipment combines the fixing and moving functions through a plurality of movable joints, such as water supply and drainage, steam supply and drainage, inoculation and yeast turning, yeast making and ventilation, material inlet and outlet and the like, and realizes the switching among various processes and operations of the equipment by changing different pipelines and pipeline interfaces, thereby saving the space and the processes, reducing the number of production operators, reducing the labor intensity, improving the production efficiency and simultaneously having good guarantee effect on the stability of the product quality.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.