CN210419812U - Threonine crystallization extraction system - Google Patents
Threonine crystallization extraction system Download PDFInfo
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- CN210419812U CN210419812U CN201921388655.5U CN201921388655U CN210419812U CN 210419812 U CN210419812 U CN 210419812U CN 201921388655 U CN201921388655 U CN 201921388655U CN 210419812 U CN210419812 U CN 210419812U
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Abstract
The utility model relates to a threonine crystallization extraction technical field, in particular to a threonine crystallization extraction system, which is characterized in that the system comprises a separation evaporator, a cyclone, a thickener, a centrifugal machine, a ceramic membrane and a delivery pump, the separation evaporator is provided with a feeding port and a discharging port, the discharging port of the separation evaporator is connected with the delivery pump through a pipeline, the feeding end of the delivery pump is connected with the material conveying port of the separation evaporator through a pipeline, the discharging end of the delivery pump is connected with the feeding port of the cyclone through a pipeline, the bottom flow port of the cyclone is connected with the feeding port of the thickener through a pipeline, the overflow port of the cyclone and the overflow port of the thickener are respectively connected with the feeding port of the ceramic membrane through pipelines, the clear liquid outlet of the ceramic membrane is connected with the feeding port of the separation evaporator through a pipeline, the discharging port of the thickener is connected with the feeding port of the centrifugal machine through a pipeline, the clear liquid outlet of the centrifugal machine is connected with the feeding port of, has the advantages of simple structure, low cost, high efficiency and the like.
Description
Technical Field
The utility model belongs to the technical field of threonine crystal extraction technique and specifically relates to a simple structure, low cost, efficient threonine crystal extraction system.
Background
Threonine is known as an essential amino acid and is mainly used in medicine, chemical reagents, dietary supplements, feed additives, and the like. In particular, the demand for feed additives, which are often added to the feed of immature piglets and poultry, is rapidly increasing, being the second limiting amino acid of the pig feed and the third limiting amino acid of the poultry feed.
At present, in a threonine production process, a crystallization extraction process mainly comprises the steps of carrying out centrifugal separation on crystal mush subjected to cooling crystallization, obtaining primary mother liquor and crystals after the centrifugal separation, and drying the crystals to obtain a threonine product. The centrifugal separation in the production process has high cost and low efficiency by adopting a centrifugal machine, and a set of crystallization extraction process is urgently needed, so that the centrifugal separation efficiency is improved and the operation cost is reduced.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a threonine crystallization extraction system with simple structure, low cost and high efficiency.
The utility model provides a technical scheme that its technical problem adopted is:
a threonine crystallization extraction system is characterized by comprising a separation evaporator, a cyclone, a thickener, a centrifuge, a ceramic membrane and a delivery pump, wherein the separation evaporator is provided with a feeding port and a discharging port, the discharging port of the separation evaporator is connected with the delivery pump through a pipeline, the feeding end of the delivery pump is connected with the material conveying port of the separation evaporator through a pipeline, the discharging end of the delivery pump is connected with the feeding port of the cyclone through a pipeline, the bottom flow port of the cyclone is connected with the feeding port of the thickener through a pipeline, the overflow port of the cyclone and the overflow port of the thickener are respectively connected with the feeding port of the ceramic membrane through pipelines, the clear liquid outlet of the ceramic membrane is connected with the feeding port of the separation evaporator through a pipeline, the discharging port of the ceramic membrane is a threonine crystallization product, the discharging port of the thickener is connected with the feeding port of the centrifuge through a pipeline, the clear liquid outlet of the centrifuge is connected with the feed inlet of the separation evaporator through a pipeline, and the discharge outlet of the centrifuge is a threonine crystal product.
Swirler establish to hydraulic concentration swirler, concentrate the magma through the concentrated swirler of water conservancy to increase the magma concentration that gets into centrifuge, reduce centrifuge and use the number when reducing centrifuge load.
The system comprises a separation evaporator, a cyclone, a thickener, a centrifugal machine, a ceramic membrane and a delivery pump, wherein the separation evaporator is provided with a feeding port and a discharging port, the discharging port of the separation evaporator is connected with the delivery pump through a pipeline, the feeding end of the delivery pump is connected with the material conveying port of the separation evaporator through a pipeline, the discharging end of the delivery pump is connected with the feeding port of the cyclone through a pipeline, the underflow port of the cyclone is connected with the feeding port of the thickener through a pipeline, the overflow port of the cyclone and the overflow port of the thickener are respectively connected with the feeding port of the ceramic membrane through pipelines, the clear liquid outlet of the ceramic membrane is connected with the feeding port of the separation evaporator through a pipeline, the discharging port of the ceramic membrane is a threonine crystal product, the discharging port of the thickener is connected with the feeding port of the centrifugal machine through a pipeline, the clear liquid outlet of the centrifugal machine is connected with the feeding port of the separation evaporator through a pipeline, the discharge port of the centrifuge is a threonine crystallization product, the hydrocyclone is set as a hydraulic concentration hydrocyclone, the crystal slurry is concentrated through the hydraulic concentration hydrocyclone, the concentration of the crystal slurry entering the centrifuge is increased, the load of the centrifuge is reduced, the number of the centrifuges used is reduced, and the centrifugal centrifuge has the advantages of simple structure, low cost, high efficiency and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached drawing, the threonine crystallization extraction system is characterized by comprising a separation evaporator 1, a cyclone 3, a thickener 4, a centrifuge 5, a ceramic membrane 6 and a conveying pump 2, wherein the separation evaporator 1 is provided with a feeding port and a discharging port, the discharging port of the separation evaporator 1 is connected with the conveying pump 2 through a pipeline, the feeding end of the conveying pump 2 is connected with the material conveying port of the separation evaporator 1 through a pipeline, the discharging end of the conveying pump 2 is connected with the feeding port of the cyclone 3 through a pipeline, the bottom flow port of the cyclone 3 is connected with the feeding port of the thickener 4 through a pipeline, the overflow port of the cyclone 3 and the overflow port of the thickener 4 are respectively connected with the feeding port of the ceramic membrane 6 through pipelines, the clear liquid outlet of the ceramic membrane 6 is connected with the feeding port of the separation evaporator 1 through a pipeline, the discharging port of the ceramic membrane 6 is a threonine crystallization product 7, the discharge gate of stiff ware 4 be connected through the pipeline with centrifuge 5's feed inlet, centrifuge 5's clear solution export is connected through the pipeline with the pan feeding mouth of separation evaporimeter 1, centrifuge 5's discharge gate is threonine crystallization product 8, swirler 3 establish to hydraulic concentration swirler 3, concentrate the magma through hydraulic concentration swirler 3 to increase the magma concentration that gets into centrifuge 5, reduce centrifuge 5 load and reduce centrifuge 5 and use the platform number simultaneously.
The extraction steps of the threonine crystallization extraction system of the utility model are as follows:
(1) evaporative crystallization: the threonine fermentation liquor is crystallized and separated out in a separation evaporator 1 through the action of evaporation, concentration and crystallization to form threonine crystal slurry;
(2) concentrating by hydrocyclone 3: and (2) pumping the threonine crystal slurry produced in the step (1) to a hydraulic concentration cyclone 3 for concentration, treating the threonine crystal slurry by the hydraulic concentration cyclone 3, conveying the high-concentration crystal slurry produced by the underflow of the cyclone 3 to a thickener 4 through a pipeline, and filtering the low-concentration crystal slurry produced by the overflow of the cyclone 3 by a ceramic membrane 6.
(3) Thickener 4 concentration: and (3) feeding the high-concentration magma produced by the underflow in the step (2) into a thickener 4, further concentrating the threonine magma in the thickener 4, feeding the overflow of the thickener 4 into a ceramic membrane 6 for filtration, and feeding the underflow of the thickener 4 into a centrifuge 5 for centrifugal dehydration treatment.
(4) The centrifuge 5: and (4) allowing the underflow of the thickener 4 in the step (3) to enter a centrifugal machine 5 for centrifugal dehydration treatment, returning clear liquid separated by the centrifugal machine 5 to an evaporator, and drying a product separated by the centrifugal machine 5 to obtain a threonine product.
(5) Membrane filtration: filtering the overflow low-concentration magma in the step (2) and the step (3) through a ceramic membrane 6, further recovering threonine crystals in the magma, returning filtrate of the ceramic membrane 6 to an evaporator, and drying the filtered crystals to obtain threonine products.
The separation evaporator 1 mainly functions to evaporate and crystallize threonine fermentation liquor, the hydraulic concentration cyclone 3 mainly functions to concentrate crystal slurry, the thickener 4 functions to further precipitate and concentrate the concentrated crystal slurry, the centrifuge 5 functions to dewater the concentrated crystal slurry, the ceramic membrane 6 functions to filter low-concentration slurry into products, and the hydraulic concentration cyclone 3 is added in the system to increase the concentration of the crystal slurry entering the centrifuge 5, so that the load of the centrifuge 5 is reduced and the number of the centrifuges 5 is reduced; the low-concentration crystal slurry overflowing from the cyclone 3 is filtered by the ceramic membrane 6, the recovery rate of the whole system is improved, the concentration of the crystal slurry entering the centrifuge 5 is increased, the load of the centrifuge 5 is reduced, the number of centrifuges 5 is reduced, the high-concentration crystal slurry enters the centrifuge 5 after passing through the cyclone 3, the low-concentration crystal slurry enters the ceramic membrane 6 for filtering, and the working efficiency of the whole system is increased, because the system consists of a separation evaporator 1, the cyclone 3, a thickener 4, the centrifuge 5, the ceramic membrane 6 and a delivery pump 2, a feeding port and a discharging port are arranged on the separation evaporator 1, the discharging port of the separation evaporator 1 is connected with the delivery pump 2 through a pipeline, the feeding end of the delivery pump 2 is connected with the feeding port of the separation evaporator 1 through a pipeline, and the discharging end of the delivery pump 2 is connected with the feeding port of the cyclone 3 through a pipeline, the bottom flow port of the cyclone 3 is connected with the feeding port of the thickener 4 through a pipeline, the overflow port of the cyclone 3 and the overflow port of the thickener 4 are respectively connected with the feeding port of the ceramic membrane 6 through pipelines, the clear liquid outlet of the ceramic membrane 6 is connected with the feeding port of the separation evaporator 1 through a pipeline, the discharging port of the ceramic membrane 6 is threonine crystallized products, the discharging port of the thickener 4 is connected with the feeding port of the centrifugal machine 5 through a pipeline, the clear liquid outlet of the centrifugal machine 5 is connected with the feeding port of the separation evaporator 1 through a pipeline, the discharging port of the centrifugal machine 5 is threonine crystallized products, the cyclone 3 is set as a hydraulic concentration cyclone 3, the crystal slurry is concentrated through the hydraulic concentration cyclone 3, the concentration of the crystal slurry entering the centrifugal machine 5 is increased, the load of the centrifugal machine 5 is reduced, and the number of the centrifugal machine 5 is reduced Low cost, high efficiency and the like.
Claims (2)
1. A threonine crystallization extraction system is characterized by comprising a separation evaporator, a cyclone, a thickener, a centrifuge, a ceramic membrane and a delivery pump, wherein the separation evaporator is provided with a feeding port and a discharging port, the discharging port of the separation evaporator is connected with the delivery pump through a pipeline, the feeding end of the delivery pump is connected with the material conveying port of the separation evaporator through a pipeline, the discharging end of the delivery pump is connected with the feeding port of the cyclone through a pipeline, the bottom flow port of the cyclone is connected with the feeding port of the thickener through a pipeline, the overflow port of the cyclone and the overflow port of the thickener are respectively connected with the feeding port of the ceramic membrane through pipelines, the clear liquid outlet of the ceramic membrane is connected with the feeding port of the separation evaporator through a pipeline, the discharging port of the ceramic membrane is a threonine crystallization product, the discharging port of the thickener is connected with the feeding port of the centrifuge through a pipeline, the clear liquid outlet of the centrifuge is connected with the feed inlet of the separation evaporator through a pipeline, and the discharge outlet of the centrifuge is a threonine crystal product.
2. The threonine crystal extraction system of claim 1, wherein the cyclone is a hydrocyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388655.5U CN210419812U (en) | 2019-08-26 | 2019-08-26 | Threonine crystallization extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921388655.5U CN210419812U (en) | 2019-08-26 | 2019-08-26 | Threonine crystallization extraction system |
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| Publication Number | Publication Date |
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| CN210419812U true CN210419812U (en) | 2020-04-28 |
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| CN201921388655.5U Active CN210419812U (en) | 2019-08-26 | 2019-08-26 | Threonine crystallization extraction system |
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| CN (1) | CN210419812U (en) |
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2019
- 2019-08-26 CN CN201921388655.5U patent/CN210419812U/en active Active
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