CN220371027U - 2, 3-lutidine refining kettle - Google Patents
2, 3-lutidine refining kettle Download PDFInfo
- Publication number
- CN220371027U CN220371027U CN202321734440.0U CN202321734440U CN220371027U CN 220371027 U CN220371027 U CN 220371027U CN 202321734440 U CN202321734440 U CN 202321734440U CN 220371027 U CN220371027 U CN 220371027U
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- CN
- China
- Prior art keywords
- centrifugal separation
- lutidine
- heat exchange
- refining
- separation jar
- Prior art date
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- HPYNZHMRTTWQTB-UHFFFAOYSA-N 2,3-dimethylpyridine Chemical compound CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000007670 refining Methods 0.000 title claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 40
- 238000009833 condensation Methods 0.000 claims abstract description 20
- 230000005494 condensation Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- MAKFMOSBBNKPMS-UHFFFAOYSA-N 2,3-dichloropyridine Chemical compound ClC1=CC=CN=C1Cl MAKFMOSBBNKPMS-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010517 secondary reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a 2, 3-lutidine refining kettle, and belongs to the technical field of refining reaction kettles. The utility model provides a 2, 3-lutidine refining kettle, includes reation kettle and centrifugal separation jar, one side of reation kettle bottom is provided with the electric cabinet, and one side of electric cabinet is provided with the slag tap mouth, reation kettle's top is provided with the vacuum lid, and the surface of vacuum lid is provided with metal locking piece. In order to solve the problem that the refining kettle does not have a condensation heat dissipation structure, and the chemical reagent mostly releases heat during reaction, so that the temperature of raw materials is increased, steam is easily formed when the materials with the increased temperature are stored, the concentration of a finished product can be influenced by moisture in the steam, a solution is conveyed to the inside of a radiator for heat exchange through an output pipe valve at one end of a condensation heat exchange pipe, and then cooled product solution is discharged through a return pipe valve and a vortex booster pump, so that the generation of moisture steam is avoided, and the quality of the finished product is improved.
Description
Technical Field
The utility model relates to the technical field of refining reaction kettles, in particular to a 2, 3-lutidine refining kettle.
Background
The generalized understanding of the refining reaction kettle is that the refining reaction kettle is provided with a container for physical or chemical reaction, and the heating, evaporating, cooling and low-speed and high-speed mixing functions required by the process are realized through the structural design and parameter configuration of the container;
the Chinese patent with publication number of CN210560181U discloses a refining kettle for producing 2, 3-dichloropyridine, which achieves the effect of conveniently producing and processing 2, 3-dichloropyridine by arranging a heat-insulating sleeve, an extraction cylinder, a filter box and the like, and solves the problems that in the existing production and processing process of 2, 3-dichloropyridine, the common kettle body has single function and cannot meet the conditions required by the production and processing process, so that the processing process is troublesome and the quality of the produced product is lower.
In the above patent, the refining kettle does not have a condensing and radiating structure, and most of chemical reagents release heat during reaction, so that the temperature of raw materials is increased, steam is easily formed during storage of the materials with the increased temperature, and the concentration of a finished product is influenced by moisture in the steam; therefore, the existing requirements are not met, and a 2, 3-lutidine refining kettle is provided.
Disclosure of Invention
The utility model aims to provide a 2, 3-lutidine refining kettle, which is characterized in that a solution is conveyed into a radiator through an output pipe valve at one end of a condensation heat exchange pipe for heat exchange, and then cooled product solution is discharged through a reflux pipe valve and a vortex booster pump, so that the generation of moisture vapor is avoided, the quality of a finished product is improved, and the problems in the prior art can be solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a 2, 3-lutidine refining kettle, includes reation kettle and centrifugal separation jar, one side of reation kettle bottom is provided with the electric cabinet, and one side of electric cabinet is provided with the slag tap mouth, reation kettle's top is provided with the vacuum lid, and the surface of vacuum lid is provided with metal locking piece, the top of centrifugal separation jar is provided with condensation heat exchange tube, and the centrifugal separation jar passes through condensation heat exchange tube and vortex booster pump to be connected, one side of condensation heat exchange tube is provided with the export pipe valve, and the below of export pipe valve is provided with the return pipe valve, be provided with the straight-through pipe valve between return pipe valve and the export pipe valve, export pipe valve and return pipe valve even fin radiator are connected.
Preferably, a driving motor is arranged at the bottom of the centrifugal separation tank, a conical rotating shaft is arranged at one end of the driving motor, the conical rotating shaft is arranged in the centrifugal separation tank, and the conical rotating shaft is rotationally connected with the centrifugal separation tank through the driving motor.
Preferably, the top of toper pivot is provided with centrifugal stirring leaf, and centrifugal stirring leaf passes through screw connection with the toper pivot, one side at centrifugal separation jar top is provided with the material transfer pipe, and the centrifugal separation jar passes through material transfer pipe and reation kettle connection.
Preferably, a through pipe is arranged at the top of the centrifugal separation tank, one end of the through pipe extends to the inside of the centrifugal separation tank, and the other end of the through pipe is connected with the condensation heat exchange pipe.
Preferably, the top of vortex booster pump is provided with the feed inlet, and the feed inlet is connected with condensation heat transfer pipe, one side at vortex booster pump top is provided with the discharging pipe, and the discharging pipe extends to the inside pressure boost chamber of vortex booster pump.
Preferably, an impeller is arranged in the pressurizing cavity, a rotor assembly is arranged below the impeller, and the impeller is rotationally connected with the vortex pressurizing pump through the rotor assembly.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a method for preparing a liquid crystal display device, which comprises the steps of carrying out a generating reaction of 2, 3-lutidine in a reaction kettle, conveying the reacted 2, 3-lutidine solution into a centrifugal separation tank through a pump body, separating finished products in the solution from impurities and water by utilizing centrifugal force, standing the solution in the centrifugal separation tank after centrifugal stirring is finished, layering the solution, wherein the upper layer is the 2, 3-lutidine solution, the lower layer is the impurities and water, conveying the solution into a radiator through an output pipe valve at one end of a condensing heat exchange pipe for heat exchange after separation is finished, and discharging the cooled product solution through a reflux pipe valve and a vortex booster pump, so that the generation of water vapor is avoided, and the quality of the finished products is improved.
Drawings
FIG. 1 is an overall front view of the present utility model;
FIG. 2 is a schematic view of a condensation heat exchange tube according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the centrifugal separation tank of the present utility model;
fig. 4 is a schematic view of a vortex supercharging structure of the present utility model.
In the figure: 1. a reaction kettle; 2. an electric control box; 3. a centrifugal separation tank; 4. a vortex booster pump; 5. condensing the heat exchange tube; 101. a vacuum cover; 102. a slag discharging valve mouth; 103. a metal lock; 301. a driving motor; 302. a conical rotating shaft; 303. centrifugal stirring blade; 304. a through pipe; 305. a material transferring pipe; 401. a rotor assembly; 402. a pressurizing chamber; 403. an impeller; 404. a discharge pipe; 405. a material opening; 501. an output pipe valve; 502. a return pipe valve; 503. a straight pipe valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, an embodiment of the present utility model is provided: the utility model provides a 2, 3-lutidine refining kettle, including reation kettle 1 and centrifugal separation jar 3, one side of reation kettle 1 bottom is provided with electric cabinet 2, one side of electric cabinet 2 is provided with slag tap valve mouth 102, the top of reation kettle 1 is provided with vacuum lid 101, the surface of vacuum lid 101 is provided with metal lock 103, centrifugal separation jar 3's top is provided with condensation heat exchange tube 5, centrifugal separation jar 3 is connected with vortex booster pump 4 through condensation heat exchange tube 5, one side of condensation heat exchange tube 5 is provided with output pipe valve 501, the below of output pipe valve 501 is provided with backflow pipe valve 502, be provided with through pipe valve 503 between backflow pipe valve 502 and the output pipe valve 501, output pipe valve 501 and backflow pipe valve 502 even fin radiator are connected;
2, 3-lutidine carries out the formation reaction in reation kettle 1 inside, the finished product in the solution is separated with impurity and moisture in the centrifugal separation jar 3 through the pump body transportation to the pump body after accomplishing the reaction, centrifugal stirring is accomplished the back, the solution in the centrifugal separation jar 3 of standing, make the solution layering, wherein the upper strata is 2, 3-lutidine solution, the lower floor is impurity and water, after accomplishing the separation, transport the solution to the radiator inside through the output tube valve 501 of condensation heat exchange tube 5 one end and exchange heat, afterwards discharge the product solution after cooling through backflow tube valve 502 and vortex booster pump 4, avoid the production of moisture vapor like this, thereby improve the quality of finished product.
Referring to fig. 3, a driving motor 301 is disposed at the bottom of a centrifugal separation tank 3, one end of the driving motor 301 is provided with a conical rotating shaft 302, the conical rotating shaft 302 is disposed inside the centrifugal separation tank 3, the conical rotating shaft 302 is rotationally connected with the centrifugal separation tank 3 through the driving motor 301, a centrifugal stirring blade 303 is disposed at the top of the conical rotating shaft 302, the centrifugal stirring blade 303 is connected with the conical rotating shaft 302 through a screw, a material transferring pipe 305 is disposed at one side of the top of the centrifugal separation tank 3, the centrifugal separation tank 3 is connected with the reaction kettle 1 through the material transferring pipe 305, a through pipe 304 is disposed at the top of the centrifugal separation tank 3, one end of the through pipe 304 extends into the centrifugal separation tank 3, and the other end of the through pipe 304 is connected with a condensation heat exchange pipe 5;
after the generated solution enters the centrifugal separation tank 3, the conical rotating shaft 302 is driven by a motor to rotate at a high speed, in the rotating process, the centrifugal stirring blade 303 at the top of the conical rotating shaft can rapidly stir the solution to help substances in the solution which do not react to perform secondary reaction, after stirring for a period of time, the solution in the tank body is kept still to realize layering operation, the solution at the upper layer is pumped away firstly, then water and impurities at the bottom layer can be collected to the bottom through a gap between the conical rotating shaft 302 and the tank body, and finally the water and impurities are discharged through a corresponding valve.
Referring to fig. 4, a material through hole 405 is formed in the top of the vortex booster pump 4, the material through hole 405 is connected with the condensation heat exchange tube 5, a material discharging tube 404 is arranged on one side of the top of the vortex booster pump 4, the material discharging tube 404 extends to a booster cavity 402 in the vortex booster pump 4, an impeller 403 is arranged in the booster cavity 402, a rotor assembly 401 is arranged below the impeller 403, and the impeller 403 is rotationally connected with the vortex booster pump 4 through the rotor assembly 401;
the vortex booster pump 4 can pump the solution in the radiator into the booster cavity 402 by using the internal impeller 403, and finally the solution is discharged through the discharge pipe 404 outside the pump body.
According to the working principle, 2, 3-lutidine is subjected to a generating reaction in the reaction kettle 1, the reacted 2, 3-lutidine solution is conveyed to the centrifugal separation tank 3 through the pump body, the generated solution enters the centrifugal separation tank 3, the conical rotary shaft 302 is driven by the motor to rotate at a high speed, in the rotating process, centrifugal stirring blades 303 at the top of the rotary shaft can rapidly stir the solution, the solution is helped to carry out secondary reaction on some substances which do not react, after stirring for a period of time, the solution in the tank body is placed, layering operation is realized, the upper layer of solution is firstly pumped out, then water and impurities at the bottom layer can be collected to the bottom through a gap between the conical rotary shaft 302 and the tank body, finally, the solution at the upper layer is conveyed to the radiator through an output pipe valve 501 at one end of the condensing heat exchange pipe 5 for heat exchange, and then the cooled product solution is discharged through a reflux pipe valve 502 and a vortex booster pump 4, so that the generation of water vapor is avoided, and the quality of a finished product is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a 2, 3-lutidine refining kettle, includes reation kettle (1) and centrifugal separation jar (3), its characterized in that: one side of reation kettle (1) bottom is provided with electric cabinet (2), and one side of electric cabinet (2) is provided with slag tap valve mouth (102), the top of reation kettle (1) is provided with vacuum lid (101), and the surface of vacuum lid (101) is provided with metal lock (103), the top of centrifugal separation jar (3) is provided with condensation heat exchange tube (5), and centrifugal separation jar (3) are connected with vortex booster pump (4) through condensation heat exchange tube (5), one side of condensation heat exchange tube (5) is provided with output tube valve (501), and the below of output tube valve (501) is provided with backflow tube valve (502), be provided with through tube valve (503) between backflow tube valve (502) and the output tube valve (501), output tube valve (501) are connected with the even fin radiator of backflow tube valve (502).
2. The 2, 3-lutidine refining kettle according to claim 1, wherein: the bottom of centrifugal separation jar (3) is provided with driving motor (301), and the one end of driving motor (301) is provided with toper pivot (302), toper pivot (302) set up in the inside of centrifugal separation jar (3), and toper pivot (302) are connected with centrifugal separation jar (3) rotation through driving motor (301).
3. A 2, 3-lutidine refining kettle according to claim 2, wherein: the top of toper pivot (302) is provided with centrifugal stirring leaf (303), and centrifugal stirring leaf (303) pass through screw connection with toper pivot (302), one side at centrifugation bowl (3) top is provided with material transfer pipe (305), and centrifugation bowl (3) are connected with reation kettle (1) through material transfer pipe (305).
4. A 2, 3-lutidine refining kettle according to claim 3, wherein: the top of centrifugal separation jar (3) is provided with logical core tube (304), and the one end of logical core tube (304) extends to the inside of centrifugal separation jar (3), the other end of logical core tube (304) is connected with condensation heat exchange tube (5).
5. The 2, 3-lutidine refining kettle according to claim 1, wherein: the top of vortex booster pump (4) is provided with feed inlet (405), and feed inlet (405) are connected with condensation heat exchange tube (5), one side at vortex booster pump (4) top is provided with discharging pipe (404), and discharging pipe (404) extend to inside booster chamber (402) of vortex booster pump (4).
6. The 2, 3-lutidine refining kettle according to claim 5, wherein: an impeller (403) is arranged in the pressurizing cavity (402), a rotor assembly (401) is arranged below the impeller (403), and the impeller (403) is rotationally connected with the vortex pressurizing pump (4) through the rotor assembly (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734440.0U CN220371027U (en) | 2023-07-04 | 2023-07-04 | 2, 3-lutidine refining kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734440.0U CN220371027U (en) | 2023-07-04 | 2023-07-04 | 2, 3-lutidine refining kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220371027U true CN220371027U (en) | 2024-01-23 |
Family
ID=89561750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321734440.0U Active CN220371027U (en) | 2023-07-04 | 2023-07-04 | 2, 3-lutidine refining kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220371027U (en) |
-
2023
- 2023-07-04 CN CN202321734440.0U patent/CN220371027U/en active Active
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