CN219558763U - Novel continuous crystallization device - Google Patents
Novel continuous crystallization device Download PDFInfo
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- CN219558763U CN219558763U CN202320816919.2U CN202320816919U CN219558763U CN 219558763 U CN219558763 U CN 219558763U CN 202320816919 U CN202320816919 U CN 202320816919U CN 219558763 U CN219558763 U CN 219558763U
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- condenser
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- crystallization
- cooling water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model relates to the technical field of chemical production equipment, in particular to a novel continuous crystallization device which comprises a crystallizer, a crystallization circulating pump, a condenser and a condensation circulating pump, wherein a first feeding pipeline is arranged at an inlet of the upper part of the crystallizer, one side of the first feeding pipeline is connected with the first feeding pump, the other side of the first feeding pipeline is connected with the top of the condenser, a second feeding pipeline is arranged at an inlet of the bottom of the crystallizer, one side of the second feeding pipeline is connected with the second feeding pump, the other side of the second feeding pipeline is connected with the bottom of the condenser through the crystallization circulating pump, and an outlet of the top of the crystallizer is connected to a washing and filtering process through a pipeline. The utility model adjusts the circulation flow by controlling the power of the crystallization circulation pump, thereby avoiding the scaling of materials on the wall of the condenser. According to the utility model, the circulating cooling water system of the condenser is connected with steam, so that the condenser can be quickly dissolved without stopping after being blocked by scaling.
Description
Technical Field
The utility model relates to the technical field of chemical production equipment, in particular to a novel continuous crystallization device.
Background
The traditional crystallization process is mostly batch crystallization, namely, an indirect heat exchange kettle type crystallizer or a barrel type crystallizer is adopted, and a stirrer device is combined to crystallize and separate out the solute of the saturated solution under the action of a cooling agent. However, the crystallization equipment has the advantages of high operation difficulty, low production capacity, easy scaling and blockage of the heat exchange surface, and serious influence on the production efficiency due to the need of regular shutdown and cleaning of workers.
Based on this, there is a need to develop a new continuous crystallization device.
Disclosure of Invention
The utility model aims to solve the problems, and provides a novel continuous crystallization device which solves the problems of low intermittent crystallization production capacity, high operation difficulty and easy structure blockage.
The utility model is realized by the following technical scheme: the utility model provides a novel continuous crystallization device, its characterized in that, includes crystallizer, crystallization circulating pump, condenser and condensation circulating pump, the upper portion import department of crystallizer is equipped with feed line one, and feed pump one is connected to one side of feed line one, and the top of condenser is connected to the opposite side, and the bottom import department of crystallizer is equipped with feed line two, and feed pump two is connected to one side of feed line two, and the bottom of condenser is connected through the crystallization circulating pump to the opposite side, the top export of crystallizer is connected to the washing and filtering process through the pipeline.
Preferably, the first feed pump is used for conveying the crystallization material into the crystallizer, and the second feed pump is used for conveying the crystallization mother liquor into the crystallizer.
Preferably, the condenser is further provided with a circulating cooling water system, the circulating cooling water system comprises a circulating cooling water inlet pipeline connected with the water inlet of the condenser, and a circulating cooling water return pipeline connected with the water outlet of the condenser, wherein a circulating pump is arranged on the circulating cooling water return pipeline.
Preferably, the circulating cooling water supply pipeline is communicated with a low-pressure steam injection pipeline, and the circulating cooling water return pipeline is communicated with a steam condensation pipeline.
The beneficial effects of the utility model are as follows: the utility model adjusts the circulation flow by controlling the power of the crystallization circulation pump, thereby avoiding the scaling of materials on the wall of the condenser.
According to the utility model, the circulating cooling water system of the condenser is connected with steam, so that the condenser can be quickly dissolved without stopping after being blocked by scaling.
The crystallization device disclosed by the utility model is simple to operate, stable in crystallization mode, high in speed and fine in precipitated crystals, and the production capacity can be effectively improved.
Drawings
FIG. 1 is a schematic process diagram of the present utility model.
In the drawing, a crystallizer 1, a feed pipeline I, a condenser 3, a condensation circulating pump 4, a crystallization circulating pump 5, a feed pipeline II, CWR-circulating cooling water backwater, CWS-circulating cooling water supply, LS-low pressure steam and SC-steam condensate are arranged.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, the technical solutions of the present utility model will be further described below with reference to examples.
As shown in figure 1, a novel continuous crystallization device comprises a crystallizer 1, a crystallization circulating pump 5, a condenser 3 and a condensation circulating pump 4, wherein a first feeding pipeline 2 is arranged at the inlet of the upper part of the crystallizer 1, one side of the first feeding pipeline 2 is connected with the first feeding pump, the first feeding pump is used for conveying crystallization materials into the crystallizer 1, the other side of the first feeding pump is connected with the top of the condenser 3, a second feeding pipeline 6 is arranged at the inlet of the bottom of the crystallizer 1, one side of the second feeding pipeline 6 is connected with the second feeding pump, the second feeding pump is used for conveying crystallization mother liquor into the crystallizer 1, the other side of the second feeding pipeline is connected with the bottom of the condenser 3 through the crystallization circulating pump 5, and the top outlet of the crystallizer 1 is connected to a filter of a washing and filtering process through a pipeline.
The condenser 3 is provided with a circulating cooling water system, the circulating cooling water system comprises a circulating cooling water inlet pipeline connected with the water inlet of the condenser 3, and a circulating cooling water return pipeline connected with the water outlet of the condenser 3, wherein a circulating pump is arranged on the circulating cooling water return pipeline.
In order to enable the condenser 3 to quickly open after scaling, the circulating cooling water supply pipeline is communicated with a low-pressure steam injection pipeline, and the circulating cooling water return pipeline is communicated with a steam condensation pipeline.
The process flow comprises the following steps: the evaporated and concentrated crystallization material enters a first feeding pipeline 2 through a first feeding pump, then enters a crystallizer 1 from an upper inlet of the crystallizer 1, crystallization mother liquor enters a second feeding pipeline 6 through a second feeding pump, enters the crystallizer 1 from a lower inlet of the crystallizer 1, the ratio of the crystallization material to the crystallization mother liquor is 1.5:1, the crystallization material and the crystallization mother liquor are firstly mixed in the crystallizer 1, then are circularly cooled and crystallized between the crystallizer 1 and a condenser 3 under the action of a crystallization circulating pump 5, and the crystallized material overflows from the top of the crystallizer 1 to the filtration of the next washing and filtering process, and then mother liquor separation is carried out.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (4)
1. The utility model provides a novel continuous crystallization device, its characterized in that, including crystallizer (1), crystallization circulating pump (5), condenser (3) and condensation circulating pump (4), the upper portion import department of crystallizer (1) is equipped with feed line one (2), and feed pump one is connected to one side of feed line one (2), and the top of condenser (3) is connected to the opposite side, and the bottom import department of crystallizer (1) is equipped with feed line two (6), and feed pump two is connected to one side of feed line two (6), and the bottom of condenser (3) is connected through crystallization circulating pump (5) to the opposite side, the top export of crystallizer (1) is connected to the washing and filtering process through the pipeline.
2. The novel continuous crystallization device according to claim 1, wherein the first feeding pump is used for conveying crystallization materials into the crystallizer (1), and the second feeding pump is used for conveying crystallization mother liquor into the crystallizer (1).
3. The novel continuous crystallization device according to claim 1, wherein the condenser (3) is further provided with a circulating cooling water system, the circulating cooling water system comprises a circulating cooling water supply pipeline connected with a water inlet of the condenser (3), and a circulating cooling water return pipeline connected with a water outlet of the condenser (3), and the circulating cooling water return pipeline is provided with a circulating pump.
4. A novel continuous crystallization device according to claim 3, wherein the water supply line of the circulating cooling water is connected to a low pressure steam injection line, and the water return line of the circulating cooling water is connected to a steam condensate line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320816919.2U CN219558763U (en) | 2023-04-13 | 2023-04-13 | Novel continuous crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320816919.2U CN219558763U (en) | 2023-04-13 | 2023-04-13 | Novel continuous crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219558763U true CN219558763U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320816919.2U Active CN219558763U (en) | 2023-04-13 | 2023-04-13 | Novel continuous crystallization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219558763U (en) |
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2023
- 2023-04-13 CN CN202320816919.2U patent/CN219558763U/en active Active
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