CN216798768U - A reation kettle for stirring crystallization - Google Patents
A reation kettle for stirring crystallization Download PDFInfo
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- CN216798768U CN216798768U CN202123312323.9U CN202123312323U CN216798768U CN 216798768 U CN216798768 U CN 216798768U CN 202123312323 U CN202123312323 U CN 202123312323U CN 216798768 U CN216798768 U CN 216798768U
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Abstract
The utility model discloses a reaction kettle for stirring crystallization, which comprises: the top of the reaction kettle body is provided with a feed inlet, a manhole and a mounting hole, the multilayer cooling liner is arranged around the inner circumference of the reaction kettle body, and the multilayer cooling liner is provided with a liquid inlet connected with a refrigerant liquid inlet pipe and a liquid outlet connected with a refrigerant liquid outlet pipe; the stirring device is arranged in the mounting port and comprises a driving motor, a stirring shaft and stirring paddles arranged on the stirring shaft in a layered mode, the stirring shaft is downwards sequentially provided with an upper stirring paddle, a middle stirring paddle and a lower stirring paddle along the central axis of the reaction kettle main body, and the bottom of the stirring shaft is fixedly connected with the bottom of the reaction kettle through a bearing; the upper stirring paddle and the middle stirring paddle are of a multi-bending structure, and the lower stirring paddle is a vertical paddle; the distance between the outer edges of the upper stirring paddle and the middle stirring paddle is consistent with that between the outer edges of the upper stirring paddle and the middle stirring paddle and the inner wall of the reaction kettle main body. The utility model has simple structure and can be widely applied to crystallization.
Description
Technical Field
The utility model relates to the technical field of reaction kettles, in particular to a stirring crystallization reaction kettle
Background
The crystallizer is the common equipment in food, medicine and chemical industry class enterprise production technology, stirs through the (mixing) shaft of taking the thick liquid in the common jar body in the existing market, however the lower extreme of (mixing) shaft is unsettled setting, takes place the drunkenness in radial easily, simultaneously, when the crystalline solid appears, adheres to on the internal wall of jar easily, causes the material loss on the one hand, and on the other hand influences the stirring rake and normally rotates at jar internal. Still another crystallizer mainly uses double helical ribbon stirring, but if further increase monomer reaction ability, enlarge the stirring capacity of single crystallizer promptly, required heat transfer volume leans on traditional jacket heat transfer to have not can not satisfy the requirement, consequently needs to realize the heat transfer inside reation kettle through adding the purpose that heat transfer tube bank increase heat transfer area so that the reaction goes on smoothly. However, due to the existence of the heat exchange tube bundle, the traditional double helical ribbon cannot be matched with the heat exchange tube bundle in the reaction kettle to achieve the purposes of realizing heat exchange and promoting the stirring of mixed mass transfer in the reaction kettle.
In view of the above, a reaction kettle which can not only realize sufficient stirring but also realize effective heat exchange is urgently needed at present.
SUMMERY OF THE UTILITY MODEL
At present, the problems that crystals in a crystallization reaction kettle are easily attached to the inner wall of the kettle, the stirring performance is unstable and the heat exchange effect is poor exist in the prior art.
In order to solve the above technical problem, the present application provides a reaction kettle for stirring crystallization, including: the reaction kettle comprises a reaction kettle body, wherein the top of the reaction kettle body is provided with a feed inlet and a manhole, the center of the top of the reaction kettle body is provided with an installation opening, a plurality of layers of cooling inner containers are arranged around the inner periphery of the reaction kettle body and are mutually communicated, the cooling inner containers are provided with a liquid inlet connected with a refrigerant liquid inlet pipe and a liquid outlet used for being connected with a refrigerant liquid outlet pipe, and the liquid inlet and the liquid outlet are positioned at the bottom of the cooling inner containers; the stirring device is arranged in the mounting port and comprises a driving motor, a stirring shaft and stirring paddles arranged on the stirring shaft in a layered mode, the driving motor is positioned outside the reaction kettle body, the output end of the driving motor is connected with the stirring shaft downwards, the stirring shaft is sequentially provided with an upper stirring paddle, a middle stirring paddle and a lower stirring paddle downwards along the central axis of the reaction kettle body, and the bottom of the stirring shaft is fixed with a fixed seat at the bottom of the reaction kettle through a bearing; the upper stirring paddle is a plurality of scraping plates which are arranged on the two sides of the stirring shaft in a left-right alternating manner, the left side and the right side of each scraping plate are parallel to the stirring shaft, and bent blades are arranged at the upper end and the lower end of each scraping plate; the middle stirring paddles are alternately arranged at two sides of the stirring shaft from top to bottom, and one end of each middle stirring paddle close to the stirring shaft is provided with a stirring block with a multi-bending structure; the lower stirring paddle is a vertical rectangular stirring paddle; wherein, the distance between the outer edges of the upper stirring paddle and the middle stirring paddle and the inner wall of the reaction kettle body is 2cm-4 cm.
According to the embodiment of this application, reation kettle still including setting up the bar condenser pipe in reation kettle body bottom, the bar condenser pipe lets in the cooling water by the water inlet, by the delivery port outflow cooling water.
According to the embodiment of this application, reation kettle still includes the thermometer installing port that reation kettle body top was equipped with and the installing port of dropping funnel.
According to the embodiment of the application, the doctor-bar of upper portion stirring rake passes through the puddler and connects the (mixing) shaft, and the puddler adopts the screw thread to connect perpendicularly on the (mixing) shaft.
According to the embodiment of this application, the stirring rake passes through the puddler and connects two at least stirring pieces in series, and the stirring piece of keeping away from the (mixing) shaft is the square.
According to the embodiment of this application, lower part stirring rake includes through running through the connecting rod of (mixing) shaft lower part perpendicularly, and the both ends of connecting rod can rock the rectangle stirring paddle leaf that is connected with vertical reation kettle body bottom.
According to the embodiment of the application, the connecting part of the connecting rod and the stirring shaft is not positioned in the middle of the connecting rod, and the connecting rod and the stirring shaft are connected in a screwing mode through the shaft sleeve and the screw.
According to the embodiment of this application, reation kettle still is including setting up the discharge gate in reation kettle body outer bottom, and the discharge gate is connected with the relief valve.
According to the embodiment of the application, the distance between the edge of the upper stirring paddle and the distance between the edge of the middle stirring paddle and the inner wall of the reaction kettle body are equal.
According to the embodiment of the application, the driving motor is installed on the frame, the frame is installed at the top of the reaction kettle body, and the main shaft of the motor is connected with the stirring shaft.
According to the embodiment of the application, the top of the cooling inner container is also provided with an overflow port.
According to the embodiment of the application, the surfaces of the stirring shaft, the upper stirring paddle, the middle stirring paddle and the lower stirring paddle are all attached with a layer of anti-corrosion film.
According to the embodiment of the application, the manhole arranged at the top of the reaction kettle is a quick-opening manhole.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
1. according to the utility model, the materials can be uniformly stirred by arranging the transverse stirring paddle and the longitudinal stirring paddle, and the lower stirring paddle vertically extends to the upper part of the discharge port, so that the adhesion of the crystallized materials at the bottom of the discharge port can be prevented.
2. The bottom of the reaction kettle provided by the utility model can improve the heat exchange efficiency and accelerate the crystallization speed by arranging the jacket structure;
3. by arranging the overflow port, the utility model can prevent the crystallization tank from being burdened when the liquid level in the tank body is overhigh, thereby improving the crystallization efficiency;
4. the utility model can increase the contact area with the material by arranging at least two groups of transverse stirring paddles, and accelerate the crystallization speed;
5. the temperature in the reaction kettle can be monitored by installing the thermometer;
6. the manhole is arranged, so that maintenance personnel can conveniently enter the manhole for maintenance;
7. the stirring shaft is fixed with the fixing seat through the bearing, so that the swinging of the stirring shaft during working is ensured to be smaller, and the equipment stability is improved.
8. The distance of 2-4cm is arranged between the stirring paddle and the wall of the reaction kettle body, so that the stirring paddle can be prevented from rubbing the wall of the reaction kettle body, and the materials can be fully mixed.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a reaction kettle for stirring crystallization according to the present invention;
FIG. 2 is a schematic structural diagram of the reaction kettle body in FIG. 1.
The drawings illustrate the following:
10. the reaction kettle comprises a reaction kettle body, 11 cooling inner containers, 12 liquid inlets, 13 liquid outlets, 14 mounting ports, 15 manholes, 16 fixing seats, 17 strip-shaped condensation pipes, 20 stirring devices, 21 upper stirring paddles, 22 middle stirring paddles, 23 lower stirring paddles, 24 driving motors, 25 racks and 26 stirring shafts.
The specific implementation mode is as follows:
the utility model is further described with reference to the following figures and specific examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, a reaction vessel for stirred crystallization is shown, which comprises a reaction vessel main body and a stirring device 20, wherein a part of the stirring device 20 extends out of the reaction vessel main body 10.
The reaction kettle body top is equipped with feed inlet, manhole 15 and top center and is equipped with installing port 14, and multilayer cooling inner bag 11 encircles the interior week setting of reaction kettle body, and multilayer cooling inner bag 11 communicates each other, is equipped with inlet 12 of connecting the refrigerant feed liquor pipe on the cooling inner bag 11 and is used for connecting the liquid outlet 13 of refrigerant drain pipe, and inlet 12 and liquid outlet 13 are located the bottom of cooling inner bag 11.
Further, the manhole 15 is preferably a quick-installation manhole, which is convenient for maintenance personnel to access for maintenance.
Further, in order to make the liquid level in the cooling inner bag 11 can rise to the top of cooling inner bag 11, guarantee that cooling inner bag 11 fills with the refrigerant, reinforcing heat transfer effect, inlet 12 and liquid outlet 13 all set up in the bottom of cooling inner bag 11, and cooling inner bag 11 top is equipped with the overflow mouth, and the overflow mouth is connected with the overflow pipe, and the one end and the liquid outlet 13 of overflow pipe are connected, and the other end of overflow pipe upwards extends to the overflow mouth of cooling inner bag 11 roof.
Further, the cooling inner container 11 is designed coaxially with the central axis of the reaction vessel body.
Further, reation kettle still includes the bar condenser pipe 17 that sets up in reation kettle body 10 bottom, and bar condenser pipe 17 lets in the cooling water by the water inlet, flows out the cooling water by the delivery port. A layer of jacket can be arranged outside the strip-shaped condensation pipe 17 to protect the condensation pipe.
Further, the reaction kettle also comprises a thermometer mounting port and a mounting port of a dropping funnel which are arranged at the local top of the reaction kettle.
Further, reation kettle still includes the discharge gate that sets up in reation kettle body 10 outer bottom, and the discharge gate is connected with the relief valve.
Agitating unit 20 is installed in installing port 14, agitating unit 20 includes driving motor 24, (mixing) shaft 26 and the stirring rake on the layering setting, driving motor 24 is located the outside of reation kettle body 10 and output end downwardly connected has (mixing) shaft 26, and (mixing) shaft 26 is equipped with upper portion stirring rake 21, middle part stirring rake 22 and lower part stirring rake 23 downwards in proper order along the central axis of reation kettle body, and the fixing base 16 that bearing and reation kettle bottom are passed through to (mixing) shaft 26 bottom is fixed.
Further, a driving motor 24 is installed above the reaction kettle body 10 through a frame 25, a mounting flange is arranged at the installation position of the frame 25 and the reaction kettle body 10, and a stirring shaft 26 is connected with a main shaft of the driving motor 24 through a coupling in the frame 25.
Further, the stirring shaft 26 may be welded by a plurality of short shafts.
The upper stirring paddle 21 is composed of a plurality of left and right alternately arranged scrapers on both sides of the stirring shaft 26, the left and right sides of the scrapers are parallel to the stirring shaft 26, and the upper and lower ends of the scrapers are provided with bent blades.
Further, the scraping blade of the upper stirring paddle 21 is connected with the stirring shaft 26 through a stirring rod, and the stirring rod is vertically connected with the stirring shaft 26 through threads.
The middle stirring paddles 22 are alternately arranged at the two sides of the stirring shaft 26 from top to bottom, and one end of the middle stirring paddle 22 close to the stirring shaft 26 is a stirring block with a multi-bending structure
Further, the middle stirring paddle 22 is connected in series with at least two stirring blocks through a stirring rod, and the stirring block far away from the stirring shaft 26 is a cube.
The lower stirring paddle is a vertical rectangular stirring paddle.
Further, lower portion stirring rake 23 includes through running through the connecting rod of (mixing) shaft 26 lower part perpendicularly, and the both ends of connecting rod can be rocked and be connected with the rectangle stirring paddle leaf of vertical reation kettle body 10 bottom. The connecting part of the connecting rod and the stirring shaft 26 is not positioned in the middle of the connecting rod, and the connecting rod and the stirring shaft 26 are screwed up and connected by adopting a shaft sleeve and a screw.
Further, the distance between the outer edges of the upper stirring paddle and the middle stirring paddle 22 and the inner wall of the reaction kettle body is 2cm-4 cm.
Further, the distance between the edge of the upper stirring paddle 21 and the edge of the middle stirring paddle 22 and the inner wall of the reaction kettle body 10 is equal.
Further, the surfaces of the stirring shaft 26, the upper stirring paddle 21, the middle stirring paddle and the lower stirring paddle 23 are all attached with a layer of anti-corrosion film.
In summary, compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
1. according to the utility model, the materials can be uniformly stirred by arranging the transverse stirring paddle and the longitudinal stirring paddle, and the lower stirring paddle vertically extends to the upper part of the discharge port, so that the adhesion of the crystallized materials at the bottom of the discharge port can be prevented.
2. The bottom of the reaction kettle provided by the utility model can improve the heat exchange efficiency and accelerate the crystallization speed by arranging the jacket structure;
3. by arranging the overflow port, the utility model can prevent the crystallization tank from being burdened when the liquid level in the tank body is overhigh, thereby improving the crystallization efficiency;
4. the utility model can increase the contact area with the material by arranging at least two groups of transverse stirring paddles, and accelerate the crystallization speed;
5. the temperature in the reaction kettle can be monitored by installing the thermometer;
6. the manhole is arranged, so that maintenance personnel can conveniently enter the manhole for maintenance;
7. the stirring shaft is fixed with the fixing seat through the bearing, so that the swinging of the stirring shaft during working is ensured to be smaller, and the equipment stability is improved.
8. The distance of 2-4cm is arranged between the stirring paddle and the wall of the reaction kettle body, so that the stirring paddle can be prevented from rubbing the wall of the reaction kettle body, and the materials can be fully mixed.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (10)
1. A reactor for stirred crystallization, comprising:
the reaction kettle comprises a reaction kettle body, wherein a feed inlet and a manhole are arranged at the top of the reaction kettle body, an installation opening is formed in the center of the top of the reaction kettle body, a plurality of layers of cooling inner containers are arranged around the inner periphery of the reaction kettle body and are communicated with each other, a liquid inlet connected with a refrigerant liquid inlet pipe and a liquid outlet used for being connected with a refrigerant liquid outlet pipe are formed in each cooling inner container, and the liquid inlet and the liquid outlet are located at the bottom of each cooling inner container;
the stirring device is arranged in the mounting port and comprises a driving motor, a stirring shaft and stirring paddles arranged on the stirring shaft in a layered mode, the driving motor is positioned outside the reaction kettle body, the output end of the driving motor is connected with the stirring shaft downwards, the stirring shaft is sequentially provided with an upper stirring paddle, a middle stirring paddle and a lower stirring paddle downwards along the central axis of the reaction kettle body, and the bottom of the stirring shaft is fixed with a fixing seat at the bottom of the reaction kettle through a bearing;
the upper stirring paddle is a plurality of scraping plates which are alternately arranged on the left side and the right side of the stirring shaft, the left side and the right side of each scraping plate are parallel to the stirring shaft, and bent blades are arranged at the upper end and the lower end of each scraping plate;
the middle stirring paddles are alternately arranged at two sides of the stirring shaft from top to bottom, and one end of each middle stirring paddle, which is close to the stirring shaft, is provided with a stirring block with a multi-bending structure;
the lower stirring paddle is a vertical rectangular stirring paddle;
and the distance between the outer edges of the upper stirring paddle and the middle stirring paddle and the inner wall of the reaction kettle body is 2cm-4 cm.
2. The reaction kettle according to claim 1, further comprising a strip-shaped condensation pipe arranged at the bottom of the reaction kettle body, wherein cooling water is introduced into the strip-shaped condensation pipe from a water inlet and flows out from a water outlet.
3. The reaction kettle according to claim 1, further comprising a thermometer mounting port and a dropping funnel mounting port provided on the top of the reaction kettle body.
4. The reactor of claim 1, wherein the blade of the upper stirring paddle is connected to the stirring shaft through a stirring rod, and the stirring rod is vertically connected to the stirring shaft through threads.
5. The reactor of claim 1, wherein the middle paddle is connected in series with at least two of the agitator blocks by a paddle shaft, and the agitator blocks remote from the agitator shaft are cube-shaped.
6. The reactor as claimed in claim 1, wherein the lower stirring paddle comprises a connecting rod vertically penetrating through the lower part of the stirring shaft, and the two ends of the connecting rod are connected with rectangular stirring blades vertically extending to the bottom of the reactor body in a shaking manner.
7. The reaction kettle according to claim 6, wherein the connecting position of the connecting rod and the stirring shaft is not located in the middle of the connecting rod, and the connecting rod and the stirring shaft are screwed by a shaft sleeve and a screw.
8. The reaction kettle according to claim 1, further comprising a discharge port arranged at the outer bottom of the reaction kettle body, wherein a discharge valve is arranged on the discharge port.
9. The reaction kettle according to claim 1, wherein the distance between the edge of the upper stirring paddle and the edge of the middle stirring paddle is equal to the distance between the edge of the middle stirring paddle and the inner wall of the reaction kettle body.
10. The reactor according to claim 1, wherein the driving motor is mounted on a frame, the frame is mounted on the top of the reactor body, and a main shaft of the motor is connected with the stirring shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123312323.9U CN216798768U (en) | 2021-12-27 | 2021-12-27 | A reation kettle for stirring crystallization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123312323.9U CN216798768U (en) | 2021-12-27 | 2021-12-27 | A reation kettle for stirring crystallization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216798768U true CN216798768U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123312323.9U Active CN216798768U (en) | 2021-12-27 | 2021-12-27 | A reation kettle for stirring crystallization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216798768U (en) |
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2021
- 2021-12-27 CN CN202123312323.9U patent/CN216798768U/en active Active
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