CN212491600U - Novel stirring dewatering device of proline automatic control temperature - Google Patents
Novel stirring dewatering device of proline automatic control temperature Download PDFInfo
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- CN212491600U CN212491600U CN201922140446.5U CN201922140446U CN212491600U CN 212491600 U CN212491600 U CN 212491600U CN 201922140446 U CN201922140446 U CN 201922140446U CN 212491600 U CN212491600 U CN 212491600U
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Abstract
The utility model discloses a novel stirring dewatering device of proline automatic control temperature, including hot-water cylinder, automatic control temperature system, vacuum concentration tank, novel agitator, vapour and liquid separator, condenser, heat exchanger, vacuum pump, the switching operation of the temperature automatically regulated automatic control steam valve door that the accessible was set for makes the temperature in the hot-water cylinder keep invariable settlement temperature. The utility model provides a novel stirrer for the device obtains strengthening to the ability of proline concentration dehydration, adapts to the concentration of liquid material promptly, adapts to the concentration dehydration of pasty, crystallization granular material again, and the condensing equipment who sets up behind vapour and liquid separator has reduced the water content of material by a wide margin under the requirement of fully provided proline concentration dehydration more, for process on next step-freezing crystallization after dissolving with ethanol lays a good foundation, has effectively improved the yield and the product quality of proline.
Description
Technical Field
The utility model belongs to a proline product production field, concretely relates to novel stirring dewatering device of proline self-control temperature.
Background
At present, in the field of proline dehydration concentration, an anchor stirrer is usually adopted in factory production and is suitable for stirring fluid with the viscosity of below 100Pa/s, and the anchor stirrer has the advantages of simple structure and suitability for concentration of liquid materials. But the material becomes thick in the concentration process or the concentration of the granular crystalline material is generated, the stirring effect is poor, the heat transfer effect is low, and the requirement of continuous concentration and dehydration can not be met.
In the production process of proline, after a series of unit operations such as ceramic membrane filtration, ion exchange impurity removal and the like, fermentation liquor needs to be concentrated and dehydrated until the material is formed into paste such as granular crystals and the like, at the moment, the water content of the material is controlled within 7%, then pure alcohol is added for dissolution, and then freezing crystallization is carried out, so that a product with the content of more than 98% is obtained. The traditional vacuum concentration dehydration device adopts anchor type stirring, and is difficult to meet the production requirements. The method has the disadvantages of high water content of the material at the concentration end point, low cooling crystallization yield after adding pure alcohol for dissolution and high production cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a shortcoming in order to overcome current proline vacuum concentration dewatering device existence, a novel stirring self control temperature vacuum concentration dewatering device of proline is provided, the agitator that adopts novel design replaces former anchor agitator, on the axle of anchor stirring, increase spiral stirring, when concentrated later stage material form is the crystallization particle shape, spiral stirring still can make the pasty material of crystallization particle obtain intensive mixing, increase heat transfer effect, in the concentrated dehydration process of rectification vacuum, make the material accomplish not subside, improve concentrated speed and dehydration volume effectively, satisfy the technological requirement that concentrated dehydration back material moisture reaches within 7%, further establish the dehydration for adding pure alcohol and laid a good course basis, to control product quality, the improvement yield provides the guarantee on the hardware equipment.
The utility model adopts the following technical scheme:
the utility model provides a novel stirring dewatering device of proline automatic control temperature, mainly includes hot-water tank, automatic control temperature system, vacuum concentration jar, novel agitator, vapour and liquid separator, condenser, heat exchanger, vacuum pump, hot-water tank and vacuum concentration jar form the return circuit through hot water inlet pipe and hot water return water pipeline, the hot water inlet pipe is provided with the hot-water pump on the road.
The top of the vacuum concentration tank is provided with a gas-liquid separator, an outlet at the bottom of the condenser is connected with a heat exchanger, and the heat exchanger is connected with a vacuum pump through a pipeline.
And a temperature sensor is arranged in the hot water tank and is connected with an automatic control steam valve outside the hot water tank.
The vacuum concentration tank is internally provided with a novel stirrer, and the novel stirrer consists of an anchor stirrer and a helical ribbon type stirring device on a stirring shaft of the anchor stirrer.
One end of the vapor-liquid separator is connected with the top of the condenser through a secondary steam conveying pipeline, liquid separated by the vapor-liquid separator flows back to the vacuum concentration tank through a pipeline, and the separated secondary steam is sent into the condenser through the secondary steam conveying pipeline.
Has the advantages that:
1. the novel stirrer with brand new design is adopted to replace the original anchor stirrer, on the basis of keeping the bottom anchor stirrer, spiral stirring is added on a shaft, the stirring viscosity is improved, the material quantity is stirred, the heat transfer function in the proline concentration and dehydration process is strengthened, the device is suitable for concentration of liquid materials and concentration and dehydration of pasty and crystallized granular materials, the special requirements of proline concentration and dehydration can be fully met, the water content of the materials is greatly reduced, the foundation is laid for the next step of freezing and crystallizing after dissolving by adding ethanol, and the yield of proline and the product quality are improved.
2. The heating process of the water in the hot water tank is automatically controlled by adopting the temperature sensor and the self-temperature-control steam valve, so that the whole heating process is more scientific and reliable, the energy consumption is reduced, and the manpower is saved.
3. Adopt vapour and liquid separator and condensing equipment, can constantly discharge the water vapor condensation in concentrated jar and each pipeline at the in-process of stirring, can reduce the device trouble that leads to because of pipeline ponding when reinforcing device dewatering capacity.
Drawings
Fig. 1 is a schematic view of the overall structure of the device of the present invention.
In the figure, 1, a water inlet pipe; 2. a temperature self-control system; 201. a temperature sensor; 202. a self-control steam valve; 3. a hot water tank; 4. a hot water pump; 5. a vacuum concentration tank; 6. a novel stirrer; 601. an anchor agitator; 602. a helical ribbon type stirring device; 7. a feed pipe; 8. A motor; 9. a vapor-liquid separator; 10. a condenser; 11. a heat exchanger; 12. a vacuum pump; 13. a hot water inlet line; 14. a hot water return line; 15. a secondary steam delivery line; 16. a chilled water inlet; 17. a chilled water outlet; 18. a condensed water outlet; 19. a discharge outlet; 20. and (5) an ethanol pipe.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments with reference to the accompanying drawings.
Example (b): see fig. 1.
The utility model provides a novel stirring dewatering device of proline self-regulating temperature mainly includes hot-water tank 3, self-regulating temperature system 2, vacuum concentration jar 5, novel agitator 6, vapour and liquid separator 9, condenser 10, heat exchanger 11, vacuum pump 12, hot-water tank 3 forms the return circuit with vacuum concentration jar 5 through hot water inlet pipe way 13 and hot water return water pipeline 14, be provided with hot-water pump 4 on the hot water inlet pipe way 13.
The top of the vacuum concentration tank 5 is provided with a gas-liquid separator 9, the outlet at the bottom of the condenser 10 is connected with a heat exchanger 11, and the heat exchanger 11 is connected with a vacuum pump 12 through a pipeline.
The inside temperature sensor 201 that is equipped with of hot-water cylinder 3, temperature sensor 201 links to each other with the outside automatic control steam valve 202 of hot-water cylinder 3.
The vacuum concentration tank 5 is internally provided with a novel stirrer 6, and the novel stirrer 6 consists of an anchor stirrer 601 and a helical ribbon stirring device 602 on a stirring shaft thereof.
One end of the vapor-liquid separator 9 is connected with the top of the condenser 10 through a secondary steam conveying pipeline 15, liquid separated by the vapor-liquid separator 9 flows back into the vacuum concentration tank 5 through a pipeline, and the separated secondary steam is sent into the condenser 10 through the secondary steam conveying pipeline 15.
The water fed into the hot water tank 3 from the water inlet pipe 1 controls the opening and closing of the self-control steam valve 202 through the self-control temperature system 2, so that the water in the hot water tank 3 is heated and kept in a set temperature range, the heated hot water enters the vacuum concentration tank 5 through the hot water inlet pipeline 13 through the hot water pump 4, and the upper part of the jacket of the vacuum concentration tank 5 is provided with a hot water return pipeline 14 to enable the hot water to return to the hot water tank 3; the stirring system in the vacuum concentration tank 5 is a special novel stirrer 6 which consists of an anchor stirrer 601 and a helical ribbon stirring device 602 on a stirring shaft thereof, and is suitable for uniform heat transfer of liquid raw materials and uniform heat transfer of pasty and granular materials; the top of the vacuum concentration tank 5 is connected with a vapor-liquid separator 9, the liquid separated by the vapor-liquid separator 9 returns to the vacuum concentration tank 5, and the separated secondary steam enters a condenser 10 along with a secondary steam conveying pipeline 15.
The bottom of the condenser 10 is connected with the top of the heat exchanger 11; chilled water enters the condenser 10 through a chilled water inlet 16, flows out through a chilled water outlet 17 in the upper part of the condenser after condensation of secondary steam is completed, and condensed secondary steam forms condensed water and flows out through a condensed water outlet 18 in the bottom of the heat exchanger 11.
The specific operation is as follows: the vacuum pump 12 is started to form vacuum inside the device, when the pressure in the vacuum concentration tank is reduced to below-0.9 Mpa, the valve of the feed pipe 7 is opened, the feed liquid is sucked into the vacuum concentration tank 5 through the feed pipe 7 by using the vacuum, the liquid level in the tank is controlled not to exceed a sight glass of the tank body, so that the feed liquid has enough evaporation space and the entrainment is reduced. And starting a hot water pump 4 to enable prepared hot water in a hot water tank 3 to enter a jacket of a vacuum concentration tank 5 through a hot water inlet pipeline 13 for heating treatment, enabling the hot water to return to the hot water tank 3 through a water outlet pipeline 14 at the upper part of the jacket of the vacuum concentration tank after the circulation of the hot water in the jacket is finished, then starting a motor 8 at the top of the vacuum concentration tank to start stirring the feed liquid, connecting steam generated by heating and stirring to a steam-liquid separator 9 through a steam outlet at the top through a secondary steam conveying pipeline 15, returning the liquid separated by the steam-liquid separator 9 to the vacuum concentration tank 5, enabling the secondary steam to flow backwards to a condenser 10, forming condensed water under the action of the frozen water in an outer jacket, entering a heat exchanger 11 through a water outlet at the bottom of the condenser 10, and finally discharging the condensed water through a condensed water outlet 18.
When the concentrated material is observed to be a crystalline particle pasty material (at the moment, the water content of the feed liquid is less than 7%), the vacuum pump 12 is closed, the stirring is stopped, the emptying valve is opened, the vacuum concentration tank 5 is recovered to normal atmospheric pressure, pure alcohol is added into the tank through the ethanol pipe 20 for dissolution, the stirring is started, after the band crystals are completely dissolved, the material is discharged to the crystallization tank, and the whole proline vacuum concentration dehydration work is completed after cooling crystallization.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, and all such modifications and equivalent substitutions are intended to be encompassed by the scope of the following claims.
Claims (5)
1. The utility model provides a novel stirring dewatering device of proline automatic control temperature, mainly includes hot-water tank (3), automatic control temperature system (2), vacuum concentration jar (5), novel agitator (6), vapour and liquid separator (9), condenser (10), heat exchanger (11), vacuum pump (12), its characterized in that: the hot water tank (3) and the vacuum concentration tank (5) form a loop through a hot water inlet pipeline (13) and a hot water return pipeline (14), and a hot water pump (4) is arranged on the hot water inlet pipeline (13).
2. The novel stirring dewatering device of proline self-regulating temperature of claim 1, characterized in that: the top of the vacuum concentration tank (5) is provided with a gas-liquid separator (9), an outlet at the bottom of the condenser (10) is connected with a heat exchanger (11), and the heat exchanger (11) is connected with a vacuum pump (12) through a pipeline.
3. The novel stirring dewatering device of proline self-regulating temperature of claim 1, characterized in that: the temperature sensor (201) is arranged inside the hot water tank (3), and the temperature sensor (201) is connected with the automatic control steam valve (202) outside the hot water tank (3).
4. The novel stirring dewatering device of proline self-regulating temperature of claim 1, characterized in that: the novel stirrer (6) is arranged in the vacuum concentration tank (5), and the novel stirrer (6) consists of an anchor stirrer (601) and a helical ribbon type stirring device (602) on a stirring shaft thereof.
5. The novel stirring dewatering device of proline self-regulating temperature of claim 2, characterized in that: one end of the vapor-liquid separator (9) is connected with the top of the condenser (10) through a secondary steam conveying pipeline (15), liquid separated by the vapor-liquid separator (9) flows back to the vacuum concentration tank (5) through a pipeline, and separated secondary steam is sent into the condenser (10) through the secondary steam conveying pipeline (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140446.5U CN212491600U (en) | 2019-12-04 | 2019-12-04 | Novel stirring dewatering device of proline automatic control temperature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922140446.5U CN212491600U (en) | 2019-12-04 | 2019-12-04 | Novel stirring dewatering device of proline automatic control temperature |
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| CN212491600U true CN212491600U (en) | 2021-02-09 |
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| CN201922140446.5U Expired - Fee Related CN212491600U (en) | 2019-12-04 | 2019-12-04 | Novel stirring dewatering device of proline automatic control temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501638A (en) * | 2022-10-19 | 2022-12-23 | 安徽金轩科技有限公司 | Crystallization device and method in production of furan ammonium salt |
-
2019
- 2019-12-04 CN CN201922140446.5U patent/CN212491600U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501638A (en) * | 2022-10-19 | 2022-12-23 | 安徽金轩科技有限公司 | Crystallization device and method in production of furan ammonium salt |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 Termination date: 20211204 |