Production system for reducing vomitoxin content and fumonisins content in corn soaking water

Abstract

The utility model relates to the technical field of corn soaking water treatment, in particular to a production system for reducing the content of vomitoxin and fumonisins in corn soaking water, which comprises a resin column communicated with a corn soaking water conveying pipeline, a liquid outlet of the resin column is communicated with an adsorption tank, and a discharge port of the adsorption tank is communicated with a filtering device. A liquid outlet of the filtering device is communicated with a first concentration device, a concentrated solution outlet of the first concentration device is communicated with an extraction kettle, a water phase outlet of the extraction kettle is communicated with a water phase buffer kettle, an outlet of the water phase buffer kettle is communicated with a second concentration device, a concentrated solution outlet of the second concentration device is communicated with a drying device, and a discharge port of the drying device is communicated with a protein product storage tank. The production system is reasonable in design, continuous operation can be achieved, adsorption of the adsorbent in the adsorption tank and extraction of the mixed organic solvent in the extraction kettle are adopted, the content of the two toxins in protein is greatly reduced, and the safety of protein products is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to corn soaking water processing technical field especially relates to a production system for reducing the content of vomitoxin and fumonisin in corn soaking water. BACKGROUND

[0002] Corn soaking water is the wet method after the by-product of making starch, 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 mold during storage and produce toxin, resulting in corn soaking water also contains a large amount of vomitoxin and fumonisin; the current research direction is to recover phytic acid, lactic acid, calcium and magnesium ions in corn soaking water, although there is also protein recovery, but due to the corn soaking water contains a large amount of vomitoxin and fumonisin, resulting in the recovered protein 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 production system for reducing the content of vomitoxin and fumonisin in corn soaking water. SUMMARY

[0003] The utility model solves the technical problem that: in view of the prior art's insufficient, provide a production system for reducing the content of vomitoxin and fumonisin in corn soaking water, utilize the production system can get continuous operation, greatly reduce the content of vomitoxin and fumonisin in corn soaking water.

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

[0005] A production system for reducing the content of vomitoxin and fumonisin in corn soaking water, including the resin column that corn soaking water conveying pipeline is linked together, the liquid outlet of resin column communicates adsorption jar, the discharge port of adsorption jar is connected through filter device, the liquid outlet of filter device is connected with first concentration device, the concentrated liquid outlet of first concentration device communicates extraction kettle, the water phase outlet of extraction kettle communicates water phase buffer kettle, the outlet of water phase buffer kettle communicates second concentration device, the concentrated liquid outlet of second concentration device communicates drying device, the discharge port of drying device communicates protein product storage tank.

[0006] As an improved technical scheme, the adsorption jar includes jar body, the top of jar body is equipped with liquid inlet and adsorbent import, the bottom of jar body is equipped with discharge port, the inside of jar body is equipped with stirring shaft, one end of stirring shaft is connected with motor, stirring shaft is equipped with inner stirring frame and outer stirring frame on, a plurality of hollow structure's triangle stirring board is equipped on inner stirring frame, a plurality of hollow structure's trapezoidal stirring board is equipped on outer stirring frame.

[0007] As an improved technical scheme, the filter device is a plate and frame filter.

[0008] As an improved technical scheme, the first concentration device and the second concentration device comprise a kettle body, the top of the kettle body is provided with a liquid inlet and a concentrated liquid outlet respectively, 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 plurality of fan-shaped stirring paddles are arranged on the rotating shaft, and a plurality of through holes are arranged on the fan-shaped stirring paddles.

[0009] As an improved technical scheme, the extraction kettle comprises a kettle body, the top of the kettle body is provided with a feed inlet and an organic solvent inlet, the bottom of the kettle body is provided with a water phase outlet and an organic phase outlet, and a sight glass is arranged on the outer wall of the kettle body; the outside of the kettle body is provided with a jacket, the inside of the kettle body is provided with a rotating shaft, a temperature sensor and a pH sensor, one end of the rotating shaft is connected with a motor, and a plurality of stirring rods are arranged on the rotating shaft; and the temperature sensor and the pH sensor are electrically connected with a controller respectively.

[0010] As an improved technical scheme, the organic phase outlet of the extraction kettle is communicated with a distillation kettle, the exhaust port of the distillation kettle is communicated with a vacuum condensing device, the condensed liquid outlet of the vacuum condensing device is communicated with an organic solvent buffer tank, and the liquid outlet of the organic solvent buffer tank is communicated with the liquid inlet of the extraction kettle.

[0011] As an improved technical scheme, the vacuum condensing device comprises a first condenser, the uncondensed gas outlet of the first condenser is communicated with a second condenser, the condensed liquid outlets of the first condenser and the second condenser are communicated with an organic solvent buffer tank, the exhaust port of the second condenser is communicated with a buffer tank, and the exhaust port of the buffer tank is communicated with a vacuum pump.

[0012] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0013] Due to the production system for reducing the content of vomitoxin and fumonisin in corn steep water, including a resin column connected with a corn steep water conveying pipeline, a liquid outlet of the resin column is connected with an adsorption tank, an outlet of the adsorption tank is connected with a filtering device, a liquid outlet of the filtering device is connected with a first concentration device, a concentrated liquid outlet of the first concentration device is connected with an extraction kettle, a water phase outlet of the extraction kettle is connected with a water phase buffer kettle, an outlet of the water phase buffer kettle is connected with a second concentration device, a concentrated liquid outlet of the second concentration device is connected with a drying device, and a discharge outlet of the drying device is connected with a protein product storage tank. In actual production, the corn steep water in the corn steep water conveying pipeline enters the resin column under the action of the conveying pump, the effluent after adsorbing phytic acid enters the adsorption tank along the pipeline, is subjected to adsorption treatment by the adsorbent, and then enters the filtering device along the pipeline, the filtered liquid enters the inside of the first concentration device along the pipeline for concentration, the obtained concentrated liquid enters the extraction kettle along the pipeline, is subjected to extraction by the organic solvent, the water phase after standing and separating is layered and enters the water phase buffer kettle along the pipeline, and then enters the second concentration device along the pipeline for concentration, the obtained concentrated liquid enters the drying device along the pipeline, and the protein after drying is stored in the protein product storage tank. The above production system is reasonable in design, can be operated continuously, and can remove a large amount of vomitoxin and fumonisin by adsorption of the adsorbent in the adsorption tank and extraction of the mixed organic solvent in the extraction kettle, so that the content of the above two toxins in the protein is greatly reduced, and the safety of the protein product is ensured.

[0014] Due to the adsorption tank including a tank body, a liquid inlet and an adsorbent inlet are arranged at the top of the tank body, a discharge outlet is arranged at the bottom of the tank body, a stirring shaft is arranged in the inside of the tank body, one end of the stirring shaft is connected with a motor, an inner stirring frame and an outer stirring frame are arranged on the stirring shaft, a plurality of triangular stirring plates with hollow structures are arranged on the inner stirring frame, and a plurality of trapezoidal stirring plates with hollow structures are arranged on the outer stirring frame. The corn steep water after adsorbing phytic acid and the adsorbent (diatomite) enter the inside of the adsorption tank respectively, the motor is started to drive the stirring shaft, the inner stirring frame, the plurality of triangular stirring plates, the outer stirring frame and the plurality of trapezoidal stirring plates to rotate, and the above stirring components cooperatively stir and mix the liquid and the adsorbent to realize adsorption of the suspended matter and the toxin. The above adsorption tank is reasonable in design and realizes effective adsorption of the toxin and the suspended matter.

[0015] Due to the filtering device being a plate-and-frame filter, the toxin, the suspended matter and the liquid adsorbed by the adsorbent can be effectively separated by the plate-and-frame filter.

[0016] The first concentration device and the second concentration device comprise a kettle body, the top of the kettle body is 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 plurality of fan-shaped stirring paddles are arranged on the rotating shaft, and a plurality of through holes are arranged on the fan-shaped stirring paddles. The material liquid enters the inside of the kettle body, is heated by the heat medium in the jacket, and is stirred and mixed by the motor, the rotating shaft and the plurality of fan-shaped stirring paddles, so that the material liquid is uniformly heated, and the concentration of the material liquid is facilitated.

[0017] The extraction kettle comprises a kettle body, the top of the kettle body is provided with a material inlet and an organic solvent inlet, the bottom of the kettle body is provided with a water phase outlet and an organic phase outlet, and a sight glass is arranged on the outer wall of the kettle body; the outside of the kettle body is provided with a jacket, the inside of the kettle body is provided with a rotating shaft, a temperature sensor and a pH sensor, one end of the rotating shaft is connected with a motor, and a plurality of stirring rods are arranged on the rotating shaft; and the temperature sensor and the pH sensor are electrically connected with a controller. In actual production, the material liquid and the organic solvent enter the inside of the kettle body, are heated by the heat medium in the jacket, are stirred and mixed by the motor, the rotating shaft and the plurality of stirring rods, and the temperature and the pH are detected by the temperature sensor and the pH sensor. After extraction is completed, the organic phase and the water phase are separated by standing, the separation of the organic phase and the water phase is observed through the sight glass, and then the organic phase and the water phase are respectively discharged and collected. The extraction kettle has the advantages of reasonable design and improved extraction efficiency.

[0018] The organic phase outlet of the extraction kettle is communicated with the distillation kettle, the emptying port of the distillation kettle is communicated with the vacuum condensing device, the condensate outlet of the vacuum condensing device is communicated with the organic solvent buffer tank, and the liquid outlet of the organic solvent buffer tank is communicated with the liquid inlet of the extraction kettle. The organic phase in the extraction kettle enters the inside of the distillation kettle along the pipeline, the organic solvent enters the inside of the vacuum condensing device from the emptying port after being heated, the formed condensate is stored in the organic solvent buffer tank, and then the organic solvent reenters the extraction kettle for reuse. The design is reasonable, and the recycling of the organic solvent is realized.

[0019] The vacuum condensing device comprises a first condenser, the uncondensed gas outlet of the first condenser is communicated with a second condenser, the condensate outlets of the first condenser and the second condenser are communicated with an organic solvent buffer tank, the emptying port of the second condenser is communicated with the buffer tank, and the emptying port of the buffer tank is communicated with a vacuum pump. Under the action of the vacuum pump, the organic solvent gas enters the inside of the first condenser for condensation, the uncondensed gas enters the second condenser for continuous condensation, and the liquids condensed by the first condenser and the second condenser are stored in the organic solvent buffer tank. The vacuum condensing device has the advantages of reasonable design and effective recycling of the organic solvent. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1This is a schematic diagram of the structure of a production system for reducing the content of vomitoxin and fumonisin in corn soaking water according to this utility model;

[0021] Among them, 1-corn soaking water conveying pipeline, 2-resin column, 3-adsorption tank, 4-filtration device, 5-first concentration device, 6-extraction kettle, 7-aqueous phase buffer kettle, 8-second concentration device, 9-drying device, 10-protein product storage tank, 11-distillation kettle, 12-vacuum condensation device, 120-first condenser, 121-second condenser, 122-buffer tank, 123-vacuum pump, 13-organic solvent buffer tank. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] A production system for reducing the levels of vomitoxin and fumonisin in corn soaking water, such as Figure 1 As shown, the system includes a resin column 2 connected to a corn soaking water conveying pipe 1, an adsorption tank 3 connected to the outlet of the resin column 2, a filter device 4 (plate and frame filter) connected to the outlet of the adsorption tank 3, a first concentration device 5 connected to the outlet of the filter device 4, an extraction vessel 6 connected to the outlet of the extraction vessel 6, an aqueous phase buffer vessel 7 connected to the outlet of the aqueous phase buffer vessel 7, a second concentration device 8 connected to the outlet of the second concentration device 8, a drying device 9 (oven) connected to the outlet of the drying device 9, and a protein product storage tank 10 connected to the outlet of the drying device 9.

[0024] In actual production, the corn soaking water in the corn soaking water conveying pipeline enters the resin column under the action of the conveying pump. The effluent after adsorbing phytic acid enters the adsorption tank along the pipeline. After adsorption treatment by the adsorbent, it enters the filtration device along the pipeline. The filtered liquid enters the first concentration device for concentration along the pipeline. The obtained concentrate then enters the extraction vessel along the pipeline. After extraction by organic solvent, the aqueous phase after standing and separation enters the aqueous phase buffer tank along the pipeline. Then it enters the second concentration device for concentration along the pipeline. The obtained concentrate enters the drying device along the pipeline. After drying, the protein is obtained and stored in the protein product storage tank.

[0025] The adsorption tank 3 comprises a tank body, a liquid inlet and an adsorbent inlet are arranged at the top of the tank body, a discharge outlet is arranged at the bottom of the tank body, a stirring shaft is arranged in the tank body, one end of the stirring shaft is connected with a motor, an inner stirring frame and an outer stirring frame are arranged on the stirring shaft, a plurality of hollow triangular stirring plates are arranged on the inner stirring frame, and a plurality of hollow trapezoidal stirring plates are arranged on the outer stirring frame. After phytic acid adsorption, the corn soaking water and the adsorbent (diatomite) enter the inside of the adsorption tank, the motor drives the stirring shaft, the inner stirring frame, the plurality of triangular stirring plates, the outer stirring frame and the plurality of trapezoidal stirring plates to rotate, and the above-mentioned stirring components cooperatively fully stir and mix the liquid and the adsorbent, so that the adsorption of the suspended matter and the toxin is realized.

[0026] The first concentration device 5 and the second concentration device 8 comprise a kettle body, a liquid inlet and a concentrated liquid outlet are arranged at the top of the kettle body, a jacket is arranged on the outside of the kettle body, a rotating shaft is arranged in the kettle body, one end of the rotating shaft is connected with a motor, a plurality of fan-shaped stirring paddles are arranged on the rotating shaft, and a plurality of through holes are arranged on the fan-shaped stirring paddles. The liquid enters the inside of the kettle body, is heated by using the heat medium in the jacket, and is stirred and mixed by the motor, the rotating shaft and the plurality of fan-shaped stirring paddles, so that the liquid is uniformly heated and concentrated.

[0027] The extraction kettle 6 comprises a kettle body, a feed inlet and an organic solvent inlet are arranged at the top of the kettle body, a water phase outlet and an organic phase outlet are arranged at the bottom of the kettle body, and a sight glass is arranged on the outer wall of the kettle body; a jacket is arranged on the outside of the kettle body, a rotating shaft, a temperature sensor and a pH sensor are arranged in the kettle body, one end of the rotating shaft is connected with a motor, and a plurality of stirring rods are arranged on the rotating shaft; the temperature sensor and the pH sensor are electrically connected with a controller. In actual production, the liquid and the organic solvent enter the inside of the kettle body, are heated by using the heat medium in the jacket, are stirred and mixed by the motor, the rotating shaft and the plurality of stirring rods, and the temperature and the pH are detected by using the temperature sensor and the pH sensor. After extraction, the kettle is allowed to stand to be stratified, the stratification of the organic phase and the water phase is observed through the sight glass, and then the organic phase and the water phase are discharged and collected.

[0028] The organic phase outlet of the extraction kettle 6 is communicated with the distillation kettle 11, the emptying outlet of the distillation kettle 11 is communicated with the vacuum condensing device 12, the condensate outlet of the vacuum condensing device 12 is communicated with the organic solvent buffer tank 13, and the liquid outlet of the organic solvent buffer tank 13 is communicated with the liquid inlet of the extraction kettle 6. The organic phase in the extraction kettle enters the inside of the distillation kettle along the pipeline, the organic solvent enters the inside of the vacuum condensing device from the emptying outlet after being heated, the formed condensate is stored by using the organic solvent buffer tank, and then the organic solvent reenters the extraction kettle for reuse.

[0029] The vacuum condensing device 12 comprises a first condenser 120 (a shell-and-tube condenser), an uncondensed gas outlet of the first condenser being communicated with a second condenser 121 (a shell-and-tube condenser), a condensate outlet of the first condenser 120 and the second condenser 121 being communicated with an organic solvent buffer tank 13, a venting outlet of the second condenser 120 being communicated with a buffer tank 122, and a venting outlet of the buffer tank 122 being communicated with a vacuum pump 123. Under the action of the vacuum pump, the organic solvent gas enters the inside of the first condenser for condensation, the uncondensed gas enters the second condenser for further condensation, the liquid condensed by the first condenser and the second condenser is stored in the organic solvent buffer tank, and then the recovered organic solvent is transported to the extraction kettle by a delivery pump for reuse.

[0030] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A production system for reducing the content of vomitoxin and fumonisin in corn steep water, characterized in that, The corn soaking water conveying pipeline is connected with a resin column, the liquid outlet of the resin column is connected with an adsorption tank, the discharge outlet of the adsorption tank is connected with a filtering device, the liquid outlet of the filtering device is connected with a first concentration device, the concentrated liquid outlet of the first concentration device is connected with an extraction kettle, the water phase outlet of the extraction kettle is connected with a water phase buffer kettle, the outlet of the water phase buffer kettle is connected with a second concentration device, the concentrated liquid outlet of the second concentration device is connected with a drying device, and the discharge outlet of the drying device is connected with a protein product storage tank.

2. The production system for reducing the contents of vomitoxin and fumonisin in corn steep water according to claim 1, characterized by, The adsorption tank comprises a tank body, a liquid inlet and an adsorbent inlet are arranged at the top of the tank body, a discharge outlet is arranged at the bottom of the tank body, an internal stirring shaft is arranged in the tank body, one end of the stirring shaft is connected with a motor, an internal stirring frame and an external stirring frame are arranged on the stirring shaft, a plurality of hollow triangular stirring plates are arranged on the internal stirring frame, and a plurality of hollow trapezoidal stirring plates are arranged on the external stirring frame.

3. The production system for reducing the contents of vomitoxin and fumonisin in corn steep water according to claim 1, characterized in that, The filtering device is a plate-and-frame filter.

4. The production system for reducing the contents of vomitoxin and fumonisin in corn steep water according to claim 1, characterized by, The first concentration device and the second concentration device comprise a kettle body, a liquid inlet and a concentrated liquid outlet are arranged at the top of the kettle body, a jacket is arranged outside the kettle body, a rotating shaft is arranged in the kettle body, one end of the rotating shaft is connected with a motor, a plurality of fan-shaped stirring paddles are arranged on the rotating shaft, and a plurality of through holes are arranged on the fan-shaped stirring paddles.

5. The production system for reducing the contents of vomitoxin and fumonisin in corn steep water according to claim 1, characterized by, The extraction kettle comprises a kettle body, a feed inlet and an organic solvent inlet are arranged at the top of the kettle body, a water phase outlet and an organic phase outlet are arranged at the bottom of the kettle body, a sight glass is arranged on the outer wall of the kettle body, a jacket is arranged outside the kettle body, a rotating shaft, a temperature sensor and a pH sensor are arranged in the kettle body, one end of the rotating shaft is connected with a motor, and a plurality of stirring rods are arranged on the rotating shaft; the temperature sensor and the pH sensor are electrically connected with a controller.

6. The production system for reducing the contents of vomitoxin and fumonisin in corn steep water according to claim 1, characterized by, The organic phase outlet of the extraction kettle is connected with a distillation kettle, the emptying outlet of the distillation kettle is connected with a vacuum condensing device, the condensed liquid outlet of the vacuum condensing device is connected with an organic solvent buffer tank, and the liquid outlet of the organic solvent buffer tank is connected with the liquid inlet of the extraction kettle.

7. The production system for reducing the contents of vomitoxin and fumonisin in corn steep water according to claim 6, characterized by, The vacuum condensing device comprises a first condenser, the uncondensed gas outlet of the first condenser is connected with a second condenser, the condensed liquid outlets of the first condenser and the second condenser are connected with the organic solvent buffer tank, the emptying outlet of the second condenser is connected with a buffer tank, and the emptying outlet of the buffer tank is connected with a vacuum pump.

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