Treatment system for reducing toxin content in corn water-soluble protein

Abstract

The utility model relates to the technical field of corn soaking water treatment, in particular to a treatment system for reducing toxin content in corn water-soluble protein, which comprises a first filtering device communicated with a corn soaking water conveying pipeline, and a second filtering device communicated with a filtrate outlet of the first filtering device. A liquid outlet of the second filtering device is communicated with toxin adsorption equipment, a liquid outlet of the toxin adsorption equipment is communicated with a concentration device, a concentrated solution outlet of the concentration device is communicated with a third filtering device, a liquid outlet of the third filtering device is communicated with a drying device, and a discharge port of the drying device is communicated with a product storage tank. The treatment system is reasonable in design, the content of vomitoxin and fumonisins in the protein product can be effectively reduced through the toxin adsorption equipment, and the safety of the protein product is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to corn soaking water processing technical field especially relates to a processing system for reducing toxin content in corn water soluble protein. BACKGROUND

[0002] Corn soaking water is the wet starch after the by -products, corn soaking water contains dry material, phytic acid, protein, lactic acid, calcium, magnesium and other effective components, due to the influence of environmental factors, corn is prone to mould when storing and produces toxin, resulting in corn soaking water also contains a large amount of vomit toxin and fumonisin, the current research direction is to recover phytic acid, lactic acid, calcium magnesium ion in corn soaking water, although there is also the recovery of protein, but due to the fact that corn soaking water contains a large amount of vomit toxin and fumonisin, resulting in the protein recovered contains a large amount of toxin, if directly as animal feed ingredients, has the security risk, therefore, in view of the above problem, it is necessary to develop a processing system for reducing toxin content in corn water soluble protein. SUMMARY

[0003] The utility model solves the technical problem that: in view of the prior art's insufficient, provide a kind of processing system for reducing toxin content in corn water soluble protein, utilize the processing system can greatly reduce the toxin content in corn water soluble protein, reduce the security risk.

[0004] To solve the above technical problems, the technical scheme of the utility model is:

[0005] A kind of processing system for reducing toxin content in corn water soluble protein, including the first filter device being connected with corn soaking water conveying pipeline, the filtrate outlet of the first filter device is connected with second filter device, the liquid outlet of the second filter device is connected with toxin adsorption equipment, the liquid outlet of the toxin adsorption equipment is connected with concentration device, the concentrated liquid outlet of the concentration device is connected with third filter device, the liquid outlet of the third filter device is connected with drying device, the discharge outlet of the drying device is connected with product storage tank.

[0006] As an improved technical scheme, the first filter device is nanofiltration membrane filter equipment, and the membrane pore size is 30-50nm.

[0007] As an improved technical scheme, the second filter device is ultraviolet sterilization filter.

[0008] As an improved technical scheme, the toxin adsorption equipment comprises a body, one side of the upper portion of the body is provided with a feeding port, one side of the lower portion of the body is provided with an ozone inlet, the bottom of the body is provided with a discharging port, and the top of the body is provided with a venting port; the inside of the body is provided with a liquid distribution device in communication with the feeding port, and the liquid distribution device is sequentially provided with a zeolite layer, a resin layer and an activated alumina layer below.

[0009] As an improved technical scheme, the liquid distribution device comprises a disc body with a hollow structure, a plurality of cloth blocks with a hollow structure are arranged on the periphery of the disc body and in communication with the disc body, and a plurality of cloth holes are arranged on the bottom of the disc body and the cloth blocks.

[0010] As a preferred technical scheme, the height ratio of the zeolite layer, the resin layer and the activated alumina layer is 3:5:3.

[0011] As an improved technical scheme, the activated alumina is provided below with a gas spoiler, and a plurality of gas distribution holes are arranged on the gas spoiler.

[0012] As an improved technical scheme, the concentration device comprises a kettle body, the top and the bottom of the kettle body are respectively provided with a liquid inlet and a concentrated liquid outlet; the outside of the kettle body is provided with a jacket, the inside of the kettle body is provided with a rotating shaft, one end of the rotating shaft is connected with a motor, a cylindrical stirring frame is arranged on the rotating shaft, and a plurality of hollow stirring plates are arranged on the stirring frame.

[0013] As an improved technical scheme, the third filtering device is a plate-and-frame filter.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0015] The treatment system for reducing the toxin content in corn water-soluble protein includes a first filtration device connected to a corn soaking water conveying pipeline. The filtrate outlet of the first filtration device is connected to a second filtration device, the outlet of the second filtration device is connected to a toxin adsorption device, the outlet of the toxin adsorption device is connected to a concentration device, the concentrated liquid outlet of the concentration device is connected to a third filtration device, the outlet of the third filtration device is connected to a drying device, and the outlet of the drying device is connected to a product storage tank. In actual production, under the action of a pump, the corn soaking water after phytic acid adsorption enters the interior of the first filtration device along the corn soaking water conveying pipeline. The collected filtrate then enters the second filtration device along the pipeline, and the collected filtrate enters the toxin adsorption device along the pipeline. After adsorption by the composite adsorbent layer, the effluent enters the concentration device along the pipeline, the concentrated liquid enters the filtration device along the pipeline, and the filtered filtrate enters the interior of the drying device along the pipeline. The dried protein is stored in a product storage tank. The above treatment system is reasonably designed, and the toxin adsorption device can effectively reduce the content of vomitoxin and fumonisin in the protein product, ensuring the safety of the protein product.

[0016] The first filtration device is a nanofiltration membrane with a pore size of 50 nm. Nanofiltration membranes can effectively remove suspended solids.

[0017] The second filtration device is an ultraviolet (UV) sterilization filter. This UV sterilization filter can kill harmful bacteria, thereby reducing the toxins produced by them.

[0018] The toxin adsorption device comprises a main body with an inlet on one side of the upper part, an ozone inlet on one side of the lower part, an outlet at the bottom, and an vent at the top. Inside the main body is a liquid distributor connected to the inlet. Below the liquid distributor are, in sequence, a zeolite layer, a resin layer, and an activated alumina layer. The liquid, driven by a pump, enters the liquid distributor through the inlet, is evenly dispersed, and then passes through the zeolite, resin, and activated alumina layers. The three adsorption layers work synergistically to effectively adsorb toxins, thereby reducing the toxin content in the effluent.

[0019] The liquid distributor comprises a hollow disc body with multiple hollow cloth blocks connected to it on its periphery. Multiple cloth holes are located on the bottom of the disc body and on the cloth blocks. Under the action of a pump, the liquid enters the disc body and cloth blocks, disperses evenly through the cloth holes, and then falls onto the zeolite layer, resin layer, and activated alumina layer. This liquid distributor is rationally designed and simple in structure, achieving uniform dispersion of the liquid and further facilitating the adsorption of toxins by the adsorption layer.

[0020] The height ratio of the zeolite layer, the resin layer and the active alumina layer is 3:5:3.

[0021] The gas spoiler is arranged below the active alumina, and a plurality of gas distribution holes are arranged on the gas spoiler. Ozone enters the body, passes through the through holes on the gas spoiler, is uniformly dispersed, and then treats the toxins in the liquid.

[0022] The concentration device comprises a kettle body, a liquid inlet and a concentrated liquid outlet are arranged at the top and bottom of the kettle body respectively, a jacket is arranged outside the kettle body, a rotating shaft is arranged inside the kettle body, one end of the rotating shaft is connected with a motor, a cylindrical stirring frame is arranged on the rotating shaft, and a plurality of hollow stirring plates are arranged on the stirring frame.

[0023] The third filtering device is a plate-and-frame filter, and the insoluble substances can be effectively removed. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 Fig. 1 is a structural schematic view of a processing system for reducing the toxin content in corn water-soluble protein according to the present application;

[0025] 1, corn soaking water conveying pipeline, 2, first filtering device, 3, second filtering device, 4, toxin adsorption equipment, 40, liquid distributor, 41, zeolite layer, 42, resin layer, 43, active alumina layer, 44, gas spoiler, 5, concentration device, 6, third filtering device, 7, drying device, 8, product storage tank. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples.

[0027] A processing system for reducing the toxin content in corn water-soluble protein, as shown in Figure 1As shown, including the first filter device 2 (nanofiltration membrane filter equipment with a membrane pore size of 50 nm) connected with the corn soaking water conveying pipeline 1, the filtrate outlet of the first filter device 2 is connected with the second filter device 3 (ultraviolet sterilization filter, purchased from the manufacturer), the liquid outlet of the second filter device 3 is connected with the toxin adsorption equipment 4, the liquid outlet of the toxin adsorption equipment 4 is connected with the concentration device 5, the concentrated liquid outlet of the concentration device 5 is connected with the third filter device 6 (plate and frame filter), the liquid outlet of the third filter device 6 is connected with the drying device 7 (double cone dryer), and the discharge outlet of the drying device 7 is connected with the product storage tank 9.

[0028] In actual production, under the action of the conveying pump, the phytic acid adsorbed corn soaking water enters the inside of the first filter device along the corn soaking water conveying pipeline (effectively removes suspended solids), and the collected filtrate after filtration enters the second filter device (ultraviolet sterilization filter) along the pipeline, which can kill harmful bacteria and further reduce the toxins produced by harmful bacteria. The collected filtrate enters the toxin adsorption equipment along the pipeline, is adsorbed by the composite adsorbent layer, and the effluent enters the concentration device along the pipeline. The concentrated liquid after concentration enters the filter device along the pipeline, and the filtered filtrate enters the inside of the drying device along the pipeline. The dried protein is stored in the product storage tank. The above-mentioned treatment system is reasonably designed, and the content of vomitoxin and fumonisin in the protein product can be effectively reduced by the toxin adsorption equipment, thereby ensuring the safety of the protein product.

[0029] The toxin adsorption equipment 4 includes a body, a feed inlet is arranged on one side of the upper part of the body, an ozone inlet is arranged on one side of the lower part of the body, a discharge outlet is arranged at the bottom of the body, and a vent is arranged at the top of the body. The inside of the body is provided with a liquid distributor 40 which is connected with the feed inlet. A zeolite layer 41, a resin layer 42 (the filler is macroporous adsorption resin), and an active alumina layer 43 are sequentially arranged below the liquid distributor 40. Under the action of the conveying pump, the liquid enters the inside of the liquid distributor from the feed inlet along the pipeline, passes through the zeolite layer, the resin layer, and the active alumina layer after uniform dispersion, and the three adsorption layers work together to achieve effective adsorption of toxins, thereby reducing the content of toxins in the effluent.

[0030] The liquid distributor 40 includes a disc body 400 with a hollow structure, a plurality of cloth blocks 401 with a hollow structure are arranged on the periphery of the disc body 400 and connected with the disc body, and a plurality of cloth holes are arranged on the bottom of the disc body 400 and the cloth blocks 401. Under the action of the conveying pump, the liquid enters the disc body and the cloth blocks, and is uniformly dispersed after passing through the cloth holes and then falls onto the zeolite layer, the resin layer, and the active alumina layer. The above-mentioned liquid distributor is reasonably designed and has a simple structure, which realizes uniform dispersion of the liquid and is more conducive to the adsorption of the adsorption layer to the toxins.

[0031] The height ratio of the zeolite layer 41, the resin layer 42 and the active alumina layer 43 is 3:5:3.

[0032] The active alumina 43 is provided with a gas spoiler 44 below, and the gas spoiler 44 is provided with a plurality of gas distribution holes. Ozone enters the body, passes through the through holes on the gas spoiler, is uniformly dispersed, and then treats the toxins in the liquid.

[0033] The concentration device 5 comprises a kettle body, the top and bottom of the kettle body are respectively provided with a liquid inlet and a concentrated liquid outlet; the outside of the kettle body is provided with a jacket, the inside of the kettle body is provided with a rotating shaft, one end of the rotating shaft is connected with a motor, a cylindrical stirring frame is arranged on the rotating shaft, and a plurality of hollow stirring plates are arranged on the stirring frame. The liquid enters the inside of the kettle body, is heated by the heat medium in the jacket, and is uniformly heated after the motor is started to drive the rotating shaft, the stirring frame and the plurality of stirring plates, so that the concentration efficiency is greatly improved.

[0034] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A treatment system for reducing the toxin content of zein, characterized by, The first filter device is connected with the corn soaking water conveying pipeline, the filtrate outlet of the first filter device is connected with the second filter device, the liquid outlet of the second filter device is connected with the toxin adsorption equipment, the liquid outlet of the toxin adsorption equipment is connected with the concentration device, the concentrated liquid outlet of the concentration device is connected with the third filter device, the liquid outlet of the third filter device is connected with the drying device, and the discharge outlet of the drying device is connected with the product storage tank.

2. The system for reducing the toxin content of zein according to claim 1, wherein The first filter device is a nanofiltration membrane filter device with a membrane pore size of 30-50 nm.

3. The system for reducing the toxin content of zein according to claim 1, wherein The second filter device is an ultraviolet sterilization filter.

4. The system for reducing the toxin content of zein according to claim 1, wherein The toxin adsorption equipment comprises a body, one side of the upper portion of the body is provided with a feed inlet, one side of the lower portion of the body is provided with an ozone inlet, the bottom of the body is provided with a discharge outlet, and the top of the body is provided with a vent; the inside of the body is provided with a liquid distributor in communication with the feed inlet, and the liquid distributor is sequentially provided with a zeolite layer, a resin layer and an activated alumina layer below.

5. The system for reducing the toxin content of zein according to claim 4, wherein The liquid distributor comprises a hollow disc body, a plurality of hollow cloth blocks in communication with the disc body are arranged on the periphery of the disc body, and a plurality of cloth holes are arranged on the bottom of the disc body and the cloth blocks.

6. The system for reducing the toxin content of zein according to claim 4, wherein The height ratio of the zeolite layer, the resin layer and the activated alumina layer is 3:5:

3.

7. The system for reducing the toxin content of zein according to claim 4, wherein The activated alumina is provided below with a gas spoiler, and a plurality of gas distribution holes are arranged on the gas spoiler.

8. The system for reducing toxin content in zein of claim 1, wherein, The concentration device comprises a kettle body, the top and bottom of the kettle body are respectively provided with a liquid inlet and a concentrated liquid outlet; the outside of the kettle body is provided with a jacket, the inside of the kettle body is provided with a rotating shaft, one end of the rotating shaft is connected with a motor, a cylindrical stirring frame is arranged on the rotating shaft, and a plurality of hollow stirring plates are arranged on the stirring frame.

9. The system for reducing toxin content in zein of claim 1, wherein, The third filter device is a plate-and-frame filter.

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