阅读说明：本技术 花生油黄曲霉毒素脱毒专用设备 (Special equipment for peanut oil aflatoxin detoxification ) 是由 李悦明 李惠 董文雷 李喜宏 张姣姣 于 2019-12-09 设计创作，主要内容包括：本发明一种花生油黄曲霉毒素脱毒专用设备,包括外壳、二次处理箱外壳、四个吸附滚筒、臭氧热解器、紫外灯、脉冲式高压电场发生器以及收集罐；在外壳内从左到右通过支撑杆间隔安装四个平行的铰座,在相邻的铰座之间铰装一吸附滚筒的两端,吸附滚筒共设置首尾同轴相连的四个,四个吸附滚筒形成一个倾斜设置的圆柱形中空吸附腔体花生油从内部通过。本发明采用臭氧-紫外协同降解黄曲霉毒素,提高臭氧的氧化能力,黄曲霉毒素降解效率相对单一臭氧降解提高100-1000倍,解决臭氧降解黄曲霉毒素不会恢复至原始结构,而紫外照射降解效果稳定性差的产业难题。同时,此脱毒工艺还会降低花生油中的水分含量,有利于花生油长期贮藏。(The invention relates to special equipment for peanut oil aflatoxin detoxification, which comprises a shell, a secondary treatment box shell, four adsorption rollers, an ozone pyrolyzer, an ultraviolet lamp, a pulse type high-voltage electric field generator and a collection tank, wherein the shell is provided with a first treatment tank and a second treatment tank; four parallel hinged supports are arranged in the shell at intervals from left to right through supporting rods, two ends of an adsorption roller are hinged between the adjacent hinged supports, the adsorption roller is provided with four rollers which are coaxially connected end to end, and the four adsorption rollers form a cylindrical hollow adsorption cavity peanut oil which is obliquely arranged to pass through the interior of the adsorption cavity peanut oil. According to the invention, the aflatoxin is degraded by adopting the ozone-ultraviolet synergy, the oxidation capacity of ozone is improved, the degradation efficiency of the aflatoxin is improved by 1000 times compared with that of single ozone degradation, and the industrial problems that the aflatoxin is not restored to the original structure when the ozone is degraded, and the stability of the ultraviolet irradiation degradation effect is poor are solved. Meanwhile, the detoxification process can reduce the moisture content in the peanut oil, thereby being beneficial to the long-term storage of the peanut oil.)

1. A special device for detoxifying peanut oil aflatoxin is characterized in that: comprises a shell, a secondary treatment box shell, four adsorption rollers, an ozone pyrolyzer, an ultraviolet lamp, a pulse type high-voltage electric field generator and a collecting tank;

four parallel hinged supports are arranged in the shell at intervals from left to right through supporting rods, two ends of an adsorption roller are hinged between the adjacent hinged supports, the adsorption roller is provided with four adsorption rollers which are coaxially connected end to end, and the four adsorption rollers form an obliquely arranged cylindrical hollow adsorption cavity body through which peanut oil passes;

gear rings are coaxially arranged on the outer edges of the four rollers, the four gear rings coaxially rotate at the same speed under the meshing drive of the same gear shaft, the gear shaft is driven by a motor arranged on one side of the shell, and the other end of the gear shaft is arranged on the supporting rod through a shaft seat. The rightmost adsorption roller is connected with the feed inlet, the leftmost adsorption roller is connected with the inlet of the shell of the secondary treatment box, the hinged support is provided with an ultraviolet lamp and an ozone pipeline outlet of an ozone generator, and the ultraviolet lamp and the ozone pipeline outlet of the ozone generator are provided with protective outer covers;

the two adsorption rollers adjacent to the feed port are coaxially attached to a first adsorption material layer on the inner wall of the roller shell, and the two adsorption rollers adjacent to the secondary treatment box shell are coaxially attached to a second adsorption material layer on the inner wall of the roller shell;

the secondary treatment box is characterized in that one side of the shell of the secondary treatment box is made into a hinged support for supporting a fourth adsorption roller, the secondary treatment box is made into three spaced boxes, a pulse type high-voltage electric field generator is arranged in the top of a first box of an adjacent adsorption roller outlet, an ozone pyrolyzer is arranged on the top of the first box, and a third box is an outlet and is connected with a collecting tank.

2. The special peanut oil aflatoxin detoxification equipment as claimed in claim 1, wherein: the inner surfaces of the first and second adsorption material layers are made into the shape of equal-distance and equal-height corrugations in the axial direction.

3. The special peanut oil aflatoxin detoxification equipment as claimed in claim 1, wherein: a brush rod is arranged in the four adsorption rollers, bristles are arranged on the brush rod and used for timely brushing the inner wall of the adsorption layer, and the brush rod is fixed on the inner walls of the four hinged supports through fixing rods.

4. The special peanut oil aflatoxin detoxification equipment as claimed in claim 1, wherein: the outer side of the collecting tank is wrapped with a cooling sleeve, and a filter is embedded at the outlet.

5. The special peanut oil aflatoxin detoxification equipment as claimed in claim 1, wherein: an ozone concentration detection probe is arranged in the adsorption roller.

Technical Field

The invention belongs to special equipment for aflatoxin detoxification, and particularly relates to special equipment for peanut oil aflatoxin detoxification.

Background

Aflatoxins (AFs) are a general term for a class of chemically similar secondary metabolites produced primarily by aspergillus flavus and aspergillus parasiticus that are severely carcinogenic, teratogenic, and mutagenic. Aflatoxin mainly acts on the liver as the target organ, causing liver damage, hepatitis, liver cirrhosis, hepatic necrosis, etc.

Peanut oil is popular with consumers because of its high nutritive value and low price. However, in practical use, the problem that aflatoxin is generated due to susceptibility to aspergillus flavus during peanut oil production and storage is found. The aflatoxin treatment of edible oil comprises the following steps: physical methods, chemical methods and biological methods, but most methods have the serious defects of low detoxification efficiency, large nutrient loss, high cost, incapability of industrial application and the like. At present, many enterprises apply ultraviolet rays, electron beams and the like for detoxification, but the detoxification effect is unstable, the ultraviolet penetration force is poor, the detoxification effect is degraded by ozone, the quality of grains is affected by adopting higher-concentration ozone, and the detoxification effect with lower concentration is not ideal. According to research, the oxidation capability of ozone can be improved by ultraviolet irradiation, and in order to ensure the detoxification effect, the invention provides the equipment for degrading the aflatoxin by the synergy of ozone and ultraviolet of the peanut oil.

Through searching, the following patent documents relevant to the present application are found, and the specific disclosures are as follows:

1. a method for removing aflatoxin from edible oil (CN 103952234A) is to use ultraviolet light to degrade aflatoxin in edible oil, wherein the wavelength of the ultraviolet light is 302nm, and the intensity is 600 muW/cm 2. the device used in the invention comprises a cavity for containing edible oil and a cavity bottle stopper for shading, and an ultraviolet generator with an ultraviolet lamp tube is arranged in the cavity bottle stopper.

2. A method (CN 103750084A) for degrading aflatoxin B1 in peanuts comprises the following steps of crushing peanut meal polluted by aflatoxin to obtain peanut meal powder, and then carrying out extrusion texturization to finish degradation of aflatoxin B1, wherein in the crushing step, the crushing is 50 meshes, the mass percentage of water in the peanut meal powder is 40%, in the extrusion texturization step, the temperature of an extruder barrel is 146 ℃, the feeding speed is 18g/min, the screw rotating speed is 149r/min, equipment used in the extrusion texturization step is a co-meshing twin-screw extrusion puffing laboratory workstation, and the defects of the patent are that nutritional ingredients in peanuts are seriously lost under the action of ① high temperature, high pressure and high shearing force, ② physical extrusion degradation is single, the degradation rate is low, and ③ residual aspergillus flavus cannot be thoroughly removed.

3. A degradation method of aflatoxin (CN 101238866A), which discloses a degradation method of aflatoxin, is characterized in that substances containing aflatoxin are treated by combining ultraviolet rays, microwaves and light waves; the radiation illumination of the ultraviolet rays is 80-300W/m³(ii) a The frequency of the microwave is 2450MHz +/-50 MHz, and the action temperature is60-95 ℃; the power of the light wave is 4000-7500W/m³The light wave is emitted by a small solar lamp tube, the substance containing aflatoxin is peanuts, peanut kernels, peanut oil, coix seed grains, coix seeds, corns or feed, the defects of the patent are that ① the ultraviolet ray, the microwave and the light wave degradation are simplified, the detoxification effect is unstable, the degradation rate is low, ② edible oil does not adopt any stirring technology in the diversion process, the ultraviolet ray can only irradiate the surface of the edible oil, ③ the ultraviolet ray has low transmissivity on the edible oil, and the sterilization and the toxicity reduction are incomplete.

Through comparison of technical characteristics, the technical scheme of the patent publications and the technical scheme of the invention are different, and the creativity and the novelty of the invention application are not influenced.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides special equipment for peanut oil aflatoxin detoxification, which has the advantages that ① ozone is degraded in cooperation with ultraviolet, the ozone oxidation capacity is obviously improved under the ultraviolet irradiation condition, aflatoxin cannot be restored to an original structure, ② layers of continuous rollers are used for conveying peanut oil, threads are arranged on the inner wall of each roller, the peanut oil can be in full contact with the ozone and the ultraviolet, a ③ secondary coating adsorbent roller plate adsorbs the aflatoxin, and the low-temperature cooling technology is combined with high-voltage Pulse Electric Field (PEF) non-thermal sterilization, so that aspergillus flavus in the peanut oil is effectively removed, and the aflatoxin is removed.

The technical scheme for realizing the purpose of the invention is as follows:

a special device for detoxifying peanut oil aflatoxin is characterized in that: comprises a shell, a secondary treatment box shell, four adsorption rollers, an ozone pyrolyzer, an ultraviolet lamp, a pulse type high-voltage electric field generator and a collecting tank;

four parallel hinged supports are arranged in the shell at intervals from left to right through supporting rods, two ends of an adsorption roller are hinged between the adjacent hinged supports, the adsorption roller is provided with four adsorption rollers which are coaxially connected end to end, and the four adsorption rollers form an obliquely arranged cylindrical hollow adsorption cavity body through which peanut oil passes;

gear rings are coaxially arranged on the outer edges of the four rollers, the four gear rings coaxially rotate at the same speed under the meshing drive of the same gear shaft, the gear shaft is driven by a motor arranged on one side of the shell, and the other end of the gear shaft is arranged on the supporting rod through a shaft seat. The rightmost adsorption roller is connected with the feed inlet, the leftmost adsorption roller is connected with the inlet of the shell of the secondary treatment box, the hinged support is provided with an ultraviolet lamp and an ozone pipeline outlet of an ozone generator, and the ultraviolet lamp and the ozone pipeline outlet of the ozone generator are provided with protective outer covers;

the two adsorption rollers adjacent to the feed port are coaxially attached to a first adsorption material layer on the inner wall of the roller shell, and the two adsorption rollers adjacent to the secondary treatment box shell are coaxially attached to a second adsorption material layer on the inner wall of the roller shell;

the secondary treatment box is characterized in that a hinged support is manufactured on one side of a shell of the secondary treatment box and used for supporting a fourth adsorption roller, the secondary treatment box is manufactured into three spaced boxes, a pulse type high-voltage electric field generator is arranged in the top of a first box of an adjacent adsorption roller outlet, an ozone pyrolyzer is arranged on the top of the first box, a third box is an outlet and is connected with a collecting tank, and the inner surfaces of the first adsorption material layer and the second adsorption material layer are made into high-corrugated shapes with equal axial distance and equal height.

And a brush rod is arranged in the four adsorption rollers, bristles are arranged on the brush rod and used for timely brushing the inner walls of the adsorption layers, and the brush rod is fixed on the inner walls of the four hinged supports through fixing rods.

And the outer side of the collecting tank is wrapped with a cooling sleeve, and a filter is embedded at the outlet.

Furthermore, an ozone concentration detection probe is arranged in the adsorption roller

The invention has the advantages and positive effects that:

1. according to the invention, the aflatoxin is degraded by adopting the ozone-ultraviolet synergy, the oxidation capacity of ozone is improved, the degradation efficiency of the aflatoxin is improved by 1000 times compared with that of single ozone degradation, and the industrial problems that the aflatoxin is not restored to the original structure when the ozone is degraded, and the stability of the ultraviolet irradiation degradation effect is poor are solved. Meanwhile, the detoxification process can reduce the moisture content in the peanut oil, thereby being beneficial to the long-term storage of the peanut oil.

2. According to the invention, the aflatoxin is adsorbed by adopting the second-level coating roller plate, the porous zeolite nano adsorption material is modified by the first-level coating, the zeolite structure is modified, the specific surface area is increased, the metal ion active substances are amplified, and the adsorption capacity is greatly increased; the secondary coating active carbon-polyethylene composite adsorption material realizes high-selectivity and high-capacity adsorption of aflatoxin in peanut oil, reduces adsorption of nutrient components in the peanut oil, and ensures the quality of the peanut oil. Meanwhile, the dosage of the adsorbent can be reduced, so that the separation load of the peanut oil and the adsorbent is reduced. Effectively remove the aflatoxin.

3. According to the peanut oil treatment device, the peanut oil is conveyed by adopting the multilayer continuous corrugated roller, the pushing threads are arranged on the inner wall of the roller, so that the peanut oil can fully contact ozone and ultraviolet rays in the process of repeatedly rolling the peanut oil, the aflatoxin structure is damaged, and the aflatoxin on the surface and in the peanut oil is comprehensively and thoroughly detoxified.

4. The method adopts a low-temperature cooling technology combined with high-voltage Pulse Electric Field (PEF) non-thermal sterilization, effectively removes aspergillus flavus in the peanut oil, and simultaneously avoids the problems of poor character stability and reduced nutrition quality after the peanut oil is thermally sterilized.

5. The invention adopts the electric heating ozone decomposition technology to remove residual ozone at the discharge port, decomposes the ozone into oxygen, effectively removes the residual ozone, and is green, environment-friendly, healthy and safe.

Drawings

Figure 1 is a photographic image of a first adsorbent material.

FIG. 2 is a photograph of a second adsorbent.

Fig. 3 is a schematic structural diagram of the device.

Detailed Description

The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.

A special device for detoxifying peanut oil aflatoxin comprises a shell 4, a secondary treatment box shell 1, four adsorption rollers 6, an ozone pyrolyzer 2, an ultraviolet lamp 22, a pulse type high-voltage electric field generator 3 and a collection tank 18.

Four parallel hinged supports 8 are arranged in the shell at intervals from left to right through supporting rods 12, two ends of an adsorption roller are hinged between the adjacent hinged supports, the adsorption roller is provided with four rollers which are coaxially connected end to end, the four adsorption rollers form a cylindrical hollow adsorption cavity body, peanut oil is obliquely arranged, the peanut oil passes through the adsorption cavity body, and aspergillus flavus is adsorbed and removed.

Gear rings 5 are coaxially arranged on the outer edges of the four rollers, the four gear rings coaxially rotate at the same speed under the meshing drive of a same gear shaft 16, the gear shaft is driven by a motor 17 arranged on one side of the shell, and the other end of the gear shaft is arranged on the supporting rod through a shaft seat 15. The rightmost adsorption roller is connected with the feed inlet 14, the leftmost adsorption roller is connected with the inlet of the shell of the secondary treatment box, an ultraviolet lamp 22 and an ozone pipeline outlet 21 of an ozone generator are arranged at the hinged support, and the ultraviolet lamp and the ozone pipeline outlet of the ozone generator are respectively provided with a protective outer cover. Peanut oil enters the secondary treatment box from the feeding hole after being adsorbed by the four adsorption rollers, is irradiated by an ultraviolet lamp in the adsorption process, and is added with ozone to improve the oxidation performance and further reduce the content of aspergillus flavus.

The two adsorption rollers adjacent to the feed inlet are coaxially attached to the first adsorption material layer 13 on the inner wall of the roller shell, the two adsorption rollers adjacent to the secondary treatment box shell are coaxially attached to the second adsorption material layer 7 on the inner wall of the roller shell, and the inner surfaces of the first adsorption material layer and the second adsorption material layer are made into equal-height corrugated shapes with equal intervals in the axial direction and are used for increasing the adsorption area. The first adsorption material layer is composed of metal modified porous zeolite nano adsorption material, the second adsorption material layer is active carbon-polyethylene composite adsorption material, the thickness of the adsorption material is about 2cm, the adsorption roller is made of metal iron plate materials with two stages and four layers and the thickness of 3cm,

in order to prevent peanut oil from adhering to the inner wall of the adsorption material, a brush rod 10 is arranged in the four adsorption rollers, brush bristles 11 are arranged on the brush rod and used for timely brushing the inner wall of the adsorption layer, and the brush rod is fixed to the inner walls of the four hinged supports through fixing rods 9.

The secondary treatment case shell one side is made a free bearing for support fourth adsorption cylinder, the secondary treatment case is made three interval boxes, pulsed high voltage electric field generator in the first box top of adjacent adsorption cylinder export, ozone pyrolyzer is installed at first box top, the third box is the export, connects the collecting vessel, and the cooling cover 19 is wrapped up to the collecting vessel outside, inlays at the exit and adorns filter 20, filters impurity.

The equipment shell is composed of a 2cm metal iron plate, and a large-dose high-pressure mercury lamp ultraviolet irradiation device is arranged at the top in the equipment.

And a large-dose high-pressure mercury lamp ultraviolet irradiation device (model HPL-N125W) is arranged in the hinged support, and the ultraviolet wavelength is 254nm so as to ensure the effectiveness of ultraviolet irradiation.

The ozone generator (model FL-803Y) is arranged outside the device, and ozone is introduced into the degradation device through a polytetrafluoroethylene tube.

An ozone concentration detection probe is arranged in the adsorption roller, when the detected concentration is lower than the lower limit of a set threshold, a controller switch is started, and the ozone generator starts to work; when the detected concentration is higher than the lower limit of the set threshold, the switch of the controller is closed, and the ozone generator stops working.

And a high-voltage pulse electric field sterilization device is arranged in the shell of the secondary treatment box.

The device can also be provided with a controller for controlling the operation of the ozone generator, the ultraviolet lamp, the ozone pyrolyzer, the motor and other devices,