CN210434025U - Improved generation secondary cooling crystallization device - Google Patents
Improved generation secondary cooling crystallization device Download PDFInfo
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- CN210434025U CN210434025U CN201920930533.8U CN201920930533U CN210434025U CN 210434025 U CN210434025 U CN 210434025U CN 201920930533 U CN201920930533 U CN 201920930533U CN 210434025 U CN210434025 U CN 210434025U
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Abstract
The utility model discloses an improved generation secondary cooling crystallization device contains the cooling tank, the cooling tank divide into and says cooling tank and two cooling tanks just, the cooling tank includes the jar body, sets up agitating unit on the jar body, sets up in jar internal cold water pipe and with the cold water pipe intercommunication constitution recirculating cooling water system's cold water machine, the bottom of cooling tank is equipped with drain pipe and water pump, the top of saying cooling tank just is equipped with the feed liquor pipe, and the water pump of saying cooling tank bottom just inserts in two cooling tanks, the water pump of two cooling tanks inserts in the hydroextractor, say cold water pipe in the cooling tank just and the cold water pipe in two cooling tanks are linked together, and the cooling time of saying cooling tank just equals the sum of two cooling tank cooling crystallization time and dehydration time. The utility model discloses simple structure, the preparation is convenient, adopts twice cooling program to cool off potassium diformate solution, realizes quick crystallization and dehydration, very big improvement production efficiency and output, improved the performance of enterprises.
Description
Technical Field
The utility model belongs to industry system potassium diformate equipment field, concretely relates to improved generation secondary cooling crystallization device.
Background
In the prior art, a spreading cooling mode is adopted, namely, the solution is put into a large container and is spread to cool in a shade place, and the crystallization effect of the method is very good because the crystallization temperature of the potassium diformate is slightly higher than the room temperature, but in large industrial chemical enterprises with large-scale production, the spreading cooling wastes time and labor, and the maximization of the economic benefit of the enterprises is hindered.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's defect, provided an improved generation secondary cooling crystallization device, adopted twice cooling program to cool off potassium diformate solution, realized quick crystallization and dehydration, very big improvement production efficiency and output, improved the performance of enterprises.
The technical scheme of the utility model:
an improved generation secondary cooling crystallization device, contains cooling tank 1, cooling tank 1 divide into first cooling tank 2 and two cooling tanks 3, cooling tank 1 includes a jar body 11, sets up agitating unit 12 on jar body 11, sets up cold water pipe 41 in jar body 11 and constitutes recirculated cooling water system's cold water machine 4 with cold water pipe 41 intercommunication, agitating unit 12 comprises motor 121 and the paddle 122 of installing in motor shaft bottom that sets up jar body 11 top that sets up in jar bottom, cold water pipe 41 is spiral heat exchange tube, the bottom of cooling tank 1 is equipped with drain pipe 51 and water pump 5, the top of first cooling tank 2 is equipped with feed liquor pipe 21, and the water pump 5 of first cooling tank 2 bottom inserts in two cooling tanks 3, the water pump 5 of two cooling tanks 3 inserts in the hydroextractor 6, the cold water pipe 41 in first cooling tank 2 is linked together with the cold water pipe 41 in two cooling tanks 3, the outlet pipe 42 of cold water machine 4 is connected with the cold water pipe 41 of two cooling tank 3, and the inlet tube 43 of cold water machine 4 is connected with the cold water pipe 41 of the first cooling tank 2 of saying, the cooling range of the interior solution of the first cooling tank 2 is greater than the cooling range of the interior solution of two cooling tank 3, and the dehydration rate of control hydroextractor makes the cooling time of the first cooling tank 2 of saying equal to the sum of two cooling tank 3 cooling crystallization time and dehydration time.
Further, the initial temperature of the cooling water in the cold water pipe 41 of the primary cooling tank 2 is not more than 45 ℃, and the temperature of the solution in the tank is reduced to 45 ℃.
Further, the initial temperature of the cooling water in the cold water pipe 41 of the second cooling tank 3 is not more than 30 ℃, and the temperature of the solution in the tank is reduced to 30 ℃.
Further, the shape of the cold water pipe 41 is a truncated cone-shaped spiral pipeline with a thin upper part and a thick lower part, and the cold water pipe 41 and the rotating shaft of the motor 121 are coaxially arranged in the tank body 11.
Further, the cold water pipe 41 is made of copper or aluminum.
Further, a solution temperature display meter 13 is arranged on the cooling tank 1.
Further, the solution is pushed by the paddle 122 from bottom to top.
Further, the dehydrator 6 is a horizontal centrifugal dehydrator.
Compared with the prior art, the utility model discloses utilize first cooling tank to say cooling to 45 just reacting and accomplish 70 ℃ potassium diformate solution just, will say 45 ℃ potassium diformate solution in the cooling tank once again and send into twice cooling tank through the water pump and cool down to 30 ℃ and crystallize, send into the hydroextractor with crystallization water solution again and carry out centrifugal dehydration, prepare potassium diformate white crystalline solid, in the in-process of carrying out twice cooling crystallization, because its temperature can not exceed 45 ℃ after the heat exchange in the cooling water in twice cold water pipe, and along with the lapse of time, the cooling water temperature that gets into in the first cold water pipe is more and more low, satisfy the requirement of cooling to the first cooling tank completely, the cooling water of cooling crystallization in the second cooling tank cold water pipe inserts in the cold water pipe of first cooling tank, cool down the cooling to the solution in the first cooling tank again, the cooling water is utilized to carry out heat exchange with the maximum efficiency, the temperature reduction amplitude of the primary cooling tank is 70-45 ℃, the temperature reduction amplitude of the secondary cooling tank is 45-30 ℃, the cooling time of the primary cooling tank exceeds that of the secondary cooling tank, the secondary cooling tank finishes cooling crystallization firstly, the time is fully utilized before the primary cooling tank finishes cooling, pumping and dehydrating the crystallization water solution in the second cooling tank, controlling the dehydration time to make the primary cooling time approximately equal to the sum of the crystallization and dehydration time, pumping the solution in the primary cooling tank into a secondary cooling tank after the dehydration is finished, continuously adding a potassium diformate solution with the temperature of 70 ℃ into the primary cooling tank for primary cooling, thus ensuring full-load operation of the whole cooling dehydration process, improving the cooling crystallization efficiency by times, improving the production efficiency and improving the production benefit of enterprises; the truncated cone-shaped spiral pipeline is matched with the pushing direction of the blades from bottom to top, so that the solution passes through the cold water pipe upwards, the heat exchange efficiency is increased, and the cooling effect is improved; the coaxial blades and the cold water pipe enable heat exchange to be more uniform; the heat exchange efficiency of copper is higher than that of aluminum, but copper and aluminum are both metals with higher heat exchange effect, so that the heat exchange efficiency is improved; the thermometer can monitor the temperature of the solution in the tank in real time, and the manual timing is matched, so that the cooling time in the primary cooling tank and the cooling time in the secondary cooling tank are easily obtained, and the dehydration efficiency is controlled, so that the dehydration time can be controlled and kept balanced. The utility model discloses simple structure, the preparation is convenient, adopts twice cooling program to cool off potassium diformate solution, realizes quick crystallization and dehydration, very big improvement production efficiency and output, improved the performance of enterprises.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
Example 1:
an improved secondary cooling crystallization device, as shown in figure 1, comprises a cooling tank, wherein the cooling tank is divided into a primary cooling tank and a secondary cooling tank, the cooling tank comprises a tank body, an agitating device arranged on the tank body, a cold water pipe arranged in the tank body and a water chiller communicated with the cold water pipe to form a circulating cooling water system, the agitating device comprises a motor arranged at the top of the tank body and a paddle arranged at the bottom end of a rotating shaft of the motor and arranged at the bottom of the tank, the cold water pipe is a spiral heat exchange pipe, a drain pipe and a water pump are arranged at the bottom of the cooling tank, a liquid inlet pipe is arranged at the top of the primary cooling tank, the water pump at the bottom of the primary cooling tank is connected into the secondary cooling tank, the water pump of the secondary cooling tank is connected into a dehydrator, the cold water pipe in the primary cooling tank is communicated with the cold water pipe in the secondary cooling tank, and a water outlet pipe of the water, the inlet tube of cold water machine is connected with the cold water pipe of the cooling tank of saying just, the cooling range of saying just the interior solution of cooling tank is greater than the cooling range of twice interior solution of cooling tank, and the dehydration rate of control hydroextractor makes the cooling time of saying just the cooling tank equal to twice cooling tank cooling crystallization time and the sum of dehydration time.
Further, the initial temperature of cooling water in a cold water pipe of the primary cooling tank is not more than 45 ℃, and the temperature of a solution in the tank is reduced to 45 ℃.
Further, the initial temperature of the cooling water in the cold water pipe of the two cooling tanks is not more than 30 ℃, and the temperature of the solution in the tanks is reduced to 30 ℃.
Furthermore, the shape of the cold water pipe is a truncated cone-shaped spiral pipeline with a thin upper part and a thick lower part, and the cold water pipe and the motor rotating shaft are coaxially arranged in the tank body.
Furthermore, the cold water pipe is made of copper or aluminum.
Further, a solution temperature display meter is arranged on the cooling tank.
Further, the pushing direction of the solution by the paddle is from bottom to top.
Further, the dehydrator is a horizontal centrifugal dehydrator.
Compared with the prior art, the utility model discloses utilize first cooling tank to say cooling to 45 just reacting and accomplish 70 ℃ potassium diformate solution just, will say 45 ℃ potassium diformate solution in the cooling tank once again and send into twice cooling tank through the water pump and cool down to 30 ℃ and crystallize, send into the hydroextractor with crystallization water solution again and carry out centrifugal dehydration, prepare potassium diformate white crystalline solid, in the in-process of carrying out twice cooling crystallization, because its temperature can not exceed 45 ℃ after the heat exchange in the cooling water in twice cold water pipe, and along with the lapse of time, the cooling water temperature that gets into in the first cold water pipe is more and more low, satisfy the requirement of cooling to the first cooling tank completely, the cooling water of cooling crystallization in the second cooling tank cold water pipe inserts in the cold water pipe of first cooling tank, cool down the cooling to the solution in the first cooling tank again, the cooling water is utilized to carry out heat exchange with the maximum efficiency, the temperature reduction amplitude of the primary cooling tank is 70-45 ℃, the temperature reduction amplitude of the secondary cooling tank is 45-30 ℃, the cooling time of the primary cooling tank exceeds that of the secondary cooling tank, the secondary cooling tank finishes cooling crystallization firstly, the time is fully utilized before the primary cooling tank finishes cooling, pumping and dehydrating the crystallization water solution in the second cooling tank, controlling the dehydration time to make the primary cooling time approximately equal to the sum of the crystallization and dehydration time, pumping the solution in the primary cooling tank into a secondary cooling tank after the dehydration is finished, continuously adding a potassium diformate solution with the temperature of 70 ℃ into the primary cooling tank for primary cooling, thus ensuring full-load operation of the whole cooling dehydration process, improving the cooling crystallization efficiency by times, improving the production efficiency and improving the production benefit of enterprises; the truncated cone-shaped spiral pipeline is matched with the pushing direction of the blades from bottom to top, so that the solution passes through the cold water pipe upwards, the heat exchange efficiency is increased, and the cooling effect is improved; the coaxial blades and the cold water pipe enable heat exchange to be more uniform; the heat exchange efficiency of copper is higher than that of aluminum, but copper and aluminum are both metals with higher heat exchange effect, so that the heat exchange efficiency is improved; the thermometer can monitor the temperature of the solution in the tank in real time, and the manual timing is matched, so that the cooling time in the primary cooling tank and the cooling time in the secondary cooling tank are easily obtained, and the dehydration efficiency is controlled, so that the dehydration time can be controlled and kept balanced. The utility model discloses simple structure, the preparation is convenient, adopts twice cooling program to cool off potassium diformate solution, realizes quick crystallization and dehydration, very big improvement production efficiency and output, improved the performance of enterprises.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, and the present invention will have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. An improved generation secondary cooling crystallization device which characterized in that: contains the cooling tank, the cooling tank divide into first cooling tank and two cooling tanks, the cooling tank includes the jar body, set up agitating unit on the jar body, set up in jar internal cold water pipe and with the cold water pipe intercommunication constitution recirculating cooling water system's cold water machine, agitating unit comprises the motor that sets up at jar body top and the paddle of installing in motor shaft bottom that sets up in jar bottom, the cold water pipe is spiral heat exchange tube, the bottom of cooling tank is equipped with drain pipe and water pump, the top of first cooling tank is equipped with the feed liquor pipe, the water pump of first cooling tank bottom inserts in two cooling tanks, the water pump of two cooling tanks inserts in the hydroextractor, cold water pipe and the cold water pipe in two cooling tanks in the first cooling tank are linked together, the outlet pipe of cold water machine is connected with the cold water pipe of two cooling tanks, the inlet tube of cold water machine is connected with the cold water pipe of first cooling tank, the cooling amplitude of the solution in the primary cooling tank is larger than that of the solution in the secondary cooling tank, and the dehydration rate of the dehydrator is controlled to enable the cooling time of the primary cooling tank to be equal to the sum of the cooling crystallization time and the dehydration time of the secondary cooling tank.
2. An improved secondary cooling crystallization device as defined in claim 1, wherein: the initial temperature of the cooling water in the cold water pipe of the primary cooling tank is not more than 45 ℃, and the temperature of the solution in the tank is reduced to 45 ℃.
3. An improved secondary cooling crystallization device as defined in claim 1, wherein: the initial temperature of the cooling water in the cold water pipes of the two cooling tanks is not more than 30 ℃, and the temperature of the solution in the tanks is reduced to 30 ℃.
4. An improved secondary cooling crystallization device as defined in claim 1, wherein: the cold water pipe is in a circular truncated cone-shaped spiral pipeline with a thin upper part and a thick lower part, and the cold water pipe and the motor rotating shaft are coaxially arranged in the tank body.
5. An improved secondary cooling crystallization device as defined in claim 1, wherein: the cold water pipe is made of copper or aluminum.
6. An improved secondary cooling crystallization device as defined in claim 1, wherein: and a solution temperature display meter is arranged on the cooling tank.
7. An improved secondary cooling crystallization device as defined in claim 1, wherein: the pushing direction of the paddle to the solution is from bottom to top.
8. An improved secondary cooling crystallization device as defined in claim 1, wherein: the dehydrator is a horizontal centrifugal dehydrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920930533.8U CN210434025U (en) | 2019-06-20 | 2019-06-20 | Improved generation secondary cooling crystallization device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920930533.8U CN210434025U (en) | 2019-06-20 | 2019-06-20 | Improved generation secondary cooling crystallization device |
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| CN210434025U true CN210434025U (en) | 2020-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832421A (en) * | 2022-04-01 | 2022-08-02 | 江苏福瑞达新材料有限公司 | Dialkyl diphenylamine fractional crystallization purification device |
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2019
- 2019-06-20 CN CN201920930533.8U patent/CN210434025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832421A (en) * | 2022-04-01 | 2022-08-02 | 江苏福瑞达新材料有限公司 | Dialkyl diphenylamine fractional crystallization purification device |
| CN114832421B (en) * | 2022-04-01 | 2023-07-18 | 江苏福瑞达新材料有限公司 | Fractional crystallization purifying device for dialkyl diphenylamine |
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