CN214346437U - Low-temperature reaction kettle - Google Patents
Low-temperature reaction kettle Download PDFInfo
- Publication number
- CN214346437U CN214346437U CN202023227911.8U CN202023227911U CN214346437U CN 214346437 U CN214346437 U CN 214346437U CN 202023227911 U CN202023227911 U CN 202023227911U CN 214346437 U CN214346437 U CN 214346437U
- Authority
- CN
- China
- Prior art keywords
- kettle body
- kettle
- cooling pipe
- cooling
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a low temperature reation kettle belongs to the chemical industry equipment field. The low-temperature reaction kettle comprises a kettle body, a first cooling pipe, a plurality of spoilers and stirring blades. The external parcel of cauldron body has the overcoat, the overcoat with form the vacuum cavity between the outer wall of the cauldron body. The first cooling pipe is positioned in the vacuum cavity and is arranged around the periphery of the kettle body. The spoilers are respectively arranged on the inner wall of the kettle body and the parts corresponding to the first cooling pipes. The stirring blade is arranged in the kettle body. The utility model provides a low temperature reaction kettle, a plurality of spoilers are respectively arranged on the inner wall of the kettle body and the position corresponding to the first cooling pipe, so that when the reaction liquid in the kettle body is stirred by the stirring blades, the spoilers can quickly transfer the heat of the reaction liquid to the first cooling pipe, and the cooling speed of the reaction liquid is accelerated; and the reaction liquid can be stirred by the spoiler, so that the temperature of the reaction liquid is more uniform.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, more specifically say, relate to a low temperature reation kettle.
Background
In the process of producing 2, 3-dichloropyridine, the two-step reaction is diazotization chlorination reaction of amino, and the production amount of impurities can be effectively reduced by using a-30-40 low-temperature reaction kettle, so that the quality and the yield of the product are improved. In addition, a low-temperature reaction kettle is also needed in the production of the 4-chloropyridine hydrochloride product. However, the existing low-temperature reaction kettle has the problems of low cooling speed and uneven temperature, and the production efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature reation kettle to the low temperature reation kettle cooling rate who exists among the solution prior art is slow, the inhomogeneous technical problem of temperature.
In order to achieve the above object, the utility model adopts the technical scheme that a low temperature reaction kettle is provided, include:
the outer part of the kettle body is wrapped with an outer sleeve, and a vacuum cavity is formed between the outer sleeve and the outer wall of the kettle body;
the first cooling pipe is positioned in the vacuum cavity and is arranged around the periphery of the kettle body;
the spoilers are respectively arranged on the inner wall of the kettle body and the parts corresponding to the first cooling pipes; and
the stirring blade is arranged in the kettle body.
As another embodiment of this application, the bottom of cauldron body inner chamber spirals has second cooling tube.
As another embodiment of the present application, a lower end of the first cooling pipe communicates with an outer end of the second cooling pipe.
As another embodiment of this application, the upper end of first cooling tube is equipped with and wears out the feed liquor pipe outside the overcoat.
As another embodiment of this application, first cooling tube be the column spiral encircle in the outer wall of the cauldron body, it is a plurality of the spoiler is followed the helix of first cooling tube distributes on the inner wall of the cauldron body.
As another embodiment of the application, the inner end of the second cooling pipe is provided with a liquid outlet pipe which penetrates out of the outer sleeve.
As another embodiment of the present application, the stirring blade is used for horizontally and circumferentially stirring the reaction liquid in the kettle body; the spoiler and the horizontal plane form an included angle so as to push the reaction liquid flow stirred by the stirring blade upwards.
As another embodiment of this application, the stirring leaf includes vertical locating the internal pivot of cauldron and following the blade of pivot radial setting.
The embodiment of the utility model provides a low temperature reation kettle's beneficial effect lies in: compared with the prior art, the low-temperature reaction kettle provided by the embodiment of the utility model has the advantages that the plurality of spoilers are respectively arranged on the inner wall of the kettle body and the parts corresponding to the first cooling pipes, so that when the stirring blades stir reaction liquid in the kettle body, the spoilers can quickly transfer heat of the reaction liquid to the first cooling pipes, and the cooling speed of the reaction liquid is accelerated; and the reaction liquid can be stirred by the spoiler, so that the temperature of the reaction liquid is more uniform.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a structural diagram of a low-temperature reaction kettle provided by the embodiment of the present invention;
FIG. 2 is a top view of the bottom of the body of the low temperature reaction vessel of FIG. 1.
Wherein, in the figures, the respective reference numerals:
1-kettle body; 11-a first cooling tube; 12-a liquid inlet pipe; 2-coating the outer sleeve; 21-vacuum chamber; 3-a spoiler; 4-stirring blade; 41-a rotating shaft; 42-blades; 5-a second cooling pipe; 51-a liquid outlet pipe.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a low temperature reaction vessel according to an embodiment of the present invention will be described. A low-temperature reaction kettle comprises a kettle body 1, a first cooling pipe 11, a plurality of spoilers 3 and stirring blades 4. The outer portion of the kettle body 1 is wrapped with an outer sleeve 2, and a vacuum cavity 21 is formed between the outer sleeve 2 and the outer wall of the kettle body 1. The first cooling pipe 11 is positioned in the vacuum cavity 21 and is arranged around the periphery of the kettle body 1. The spoilers 3 are respectively arranged on the inner wall of the kettle body 1 and the parts corresponding to the first cooling pipes 11. The stirring blade 4 is arranged in the kettle body 1.
Compared with the prior art, the low-temperature reaction kettle provided by the embodiment of the utility model has the advantages that the plurality of spoilers 3 are respectively arranged on the inner wall of the kettle body 1 and the parts corresponding to the first cooling pipes 11, so that when the stirring blades 4 stir the reaction liquid in the kettle body 1, the spoilers 3 can quickly transfer the heat of the reaction liquid to the first cooling pipes 11, and the cooling speed of the reaction liquid is accelerated; and the spoiler 3 can stir the reaction liquid, so that the temperature of the reaction liquid is more uniform.
During the use, stirring leaf 4 stirs the reaction liquid in the cauldron body 1 for the reaction liquid produces and flows, and when mobile reaction liquid contact spoiler 3, on the one hand, spoiler 3 can be quick gives spoiler 3 with heat transfer, and then transmits to first cooling tube 11 on, and on the other hand, spoiler 3 also can stir mobile reaction liquid, makes the reaction liquid produce the turbulent flow, makes the temperature of reaction liquid more even.
It should be noted that: for convenience of description, the end of the low temperature reaction vessel facing the supporting ground during normal operation is taken as the bottom (or lower), and the end of the low temperature reaction vessel facing away from the supporting ground is taken as the top (or upper).
In this embodiment, the kettle body 1 and the stirring blades 4 inside can be substantially the same as those of a conventional low-temperature reaction kettle. The outer sleeve 2 is wrapped on the outer wall of the kettle body 1, a certain gap is formed between the outer sleeve 2 and the outer wall of the kettle body 1 at a certain interval to form a vacuum cavity 21, and the vacuum cavity 21 is vacuumized for heat insulation.
The first cooling pipe 11 is positioned in the vacuum chamber 21 and surrounds the outer wall of the kettle body 1. During the use, cold medium flows in first cooling tube 11, like liquid nitrogen, and first cooling tube 11 can directly cool down the lateral wall of the cauldron body 1, and then cools off the reaction liquid through the lateral wall of the cauldron body 1.
The spoilers 3 are vertically fixed on the inner wall of the kettle body 1, and each spoiler 3 is fixed on the part of the side wall of the kettle body 1, which is fixed with the first cooling pipe 11. The spoiler 3 can be sufficiently contacted with the reaction liquid and can rapidly transfer the heat of the reaction liquid to the first cooling pipe 11 through the side wall of the kettle body 1.
Referring to fig. 1 and 2, as a specific embodiment of the low temperature reaction kettle provided by the present invention, a second cooling pipe 5 is coiled at the bottom of the inner cavity of the kettle body 1.
In this embodiment, a supercooling medium flows through the second cooling pipe 5, and the reaction liquid at the bottom of the inner cavity of the kettle body 1 can be cooled.
In a specific implementation, the second cooling pipe 5 can be independently communicated with a cold medium source. The second cooling pipe 5 may be in communication with the first cooling pipe 11, so that the cooling medium in the first cooling pipe 11 and the second cooling pipe 5 is circulated. The outer sleeve 2 covers the bottom of the kettle body 1, the second cooling pipe 5 is coiled on the part of the bottom of the kettle body 1 covered by the outer sleeve 2, and the second cooling pipe 5 is coiled along the bottom surface of the inner cavity of the kettle body 1.
Referring to fig. 1 and 2, as a specific embodiment of the low temperature reaction kettle provided by the present invention, the lower end of the first cooling pipe 11 is communicated with the outer end of the second cooling pipe 5.
In this embodiment, the structure is simplified, and the cooling medium circulates more smoothly in the first cooling pipe 11 and the second cooling pipe 5. During the concrete implementation, first cooling tube 11 is cylindrical spiral and encircles outside cauldron body 1, and second cooling tube 5 spirals along the bottom surface of cauldron body 1 inner chamber, and the lower extreme of first cooling tube 11 communicates with the outer end of second cooling tube 5.
Referring to fig. 1, as a specific embodiment of the low temperature reaction kettle of the present invention, a liquid inlet pipe 12 is disposed at the upper end of the first cooling pipe 11 and penetrates out of the outer jacket 2.
In this embodiment, the cold medium enters from the liquid inlet pipe 12 at the upper end of the first cooling pipe 11, and the reaction liquid with higher temperature at the upper part of the cooling kettle body 1 can be better cooled. During the concrete implementation, first cooling tube 11 is around the cauldron body 1 outside being cylindrical spiral, and the upper end of first cooling tube 11 is worn out overcoat 2 and is the feed liquor pipe 12 outward.
Referring to fig. 1, as a specific embodiment of the low temperature reaction kettle provided by the present invention, the first cooling pipe 11 is a cylindrical spiral surrounding the outer wall of the kettle body 1, and the plurality of spoilers 3 are distributed on the inner wall of the kettle body 1 along the spiral line of the first cooling pipe 11.
In this embodiment, the heat of the reaction solution in the kettle 1 can be uniformly transferred to the side wall of the kettle 1 through the plurality of spoilers 3, and can be rapidly transferred to the first cooling pipe 11. In a specific implementation, the plurality of spoilers 3 are distributed along a spiral line of the first cooling pipe 11, and the adjacent spoilers 3 are spaced apart by the same distance.
Referring to fig. 1 and 2, as a specific embodiment of the low temperature reaction kettle of the present invention, a liquid outlet pipe 51 is disposed at the inner end of the second cooling pipe 5 and penetrates out of the outer jacket 2.
In this embodiment, the cooling medium is discharged from the liquid outlet pipe 51 at the inner end of the second cooling pipe 5, so that the cooling medium in the second cooling pipe 5 flows circularly. In the specific implementation, the first cooling pipe 11 is communicated with the outer end of the second cooling pipe 5, and the cold medium in the first cooling pipe 11 and the second cooling pipe 5 is discharged from the liquid outlet pipe 51 at the inner end of the second cooling pipe 5 together.
Referring to fig. 1, as a specific embodiment of the low temperature reaction kettle provided by the present invention, the stirring blade 4 is used for horizontally and circumferentially stirring the reaction liquid in the kettle body 1; the spoiler 3 is disposed at an angle to the horizontal plane to push the reaction liquid flow stirred by the stirring vanes 4 upward.
In this embodiment, the reaction solution is pushed upward by the spoiler 3, so that the reaction solution on the upper and lower parts of the kettle 1 can form convection, thereby improving the temperature uniformity of the reaction solution. In the concrete implementation, the spoiler 3 is obliquely fixed on the inner wall of the kettle body 1 and forms an included angle of 45 degrees with the horizontal plane. When the flowing reaction liquid passes through the spoiler 3, the flowing reaction liquid flows upwards along the spoiler.
Referring to fig. 1, as a specific embodiment of the low temperature reaction kettle provided by the present invention, the stirring blade 4 includes a rotating shaft 41 vertically disposed in the kettle body 1 and a blade 42 radially disposed along the rotating shaft 41.
In this embodiment, the rotation of the rotating shaft 41 rotates the moving blades 42 on a horizontal plane, thereby horizontally and circumferentially stirring the reaction solution in the tank 1.
In a specific implementation, the upper end of the rotating shaft 41 is mounted on the top of the kettle body 1 through a bearing and is driven by a motor. The lower end of the rotating shaft 41 vertically extends into the kettle body 1. The blades 42 are fixed to the rotating shaft 41 and are horizontally arranged in a radial direction of the rotating shaft 41.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. Low temperature reation kettle, its characterized in that includes:
the outer part of the kettle body is wrapped with an outer sleeve, and a vacuum cavity is formed between the outer sleeve and the outer wall of the kettle body;
the first cooling pipe is positioned in the vacuum cavity and is arranged around the periphery of the kettle body;
the spoilers are respectively arranged on the inner wall of the kettle body and the parts corresponding to the first cooling pipes; and
the stirring blade is arranged in the kettle body.
2. The low temperature reaction kettle of claim 1, wherein the bottom of the inner cavity of the kettle body is coiled with a second cooling pipe.
3. The cryogenic reactor of claim 2, wherein the lower end of the first cooling tube communicates with the outer end of the second cooling tube.
4. The low-temperature reaction kettle according to claim 3, wherein the upper end of the first cooling pipe is provided with a liquid inlet pipe which penetrates out of the outer sleeve.
5. The low-temperature reaction kettle according to claim 1, wherein the first cooling pipe spirally surrounds the outer wall of the kettle body in a cylindrical shape, and the plurality of spoilers are distributed on the inner wall of the kettle body along the spiral line of the first cooling pipe.
6. The cryogenic reactor of claim 3 wherein the inner end of the second cooling tube is provided with a liquid outlet tube that extends out of the jacket.
7. A low-temperature reaction kettle according to any one of claims 1 to 6, wherein the stirring blade is used for horizontally and circumferentially stirring the reaction liquid in the kettle body; the spoiler and the horizontal plane form an included angle so as to push the reaction liquid flow stirred by the stirring blade upwards.
8. The low-temperature reaction kettle according to claim 7, wherein the stirring blade comprises a rotating shaft vertically arranged in the kettle body and blades arranged along the radial direction of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227911.8U CN214346437U (en) | 2020-12-28 | 2020-12-28 | Low-temperature reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023227911.8U CN214346437U (en) | 2020-12-28 | 2020-12-28 | Low-temperature reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214346437U true CN214346437U (en) | 2021-10-08 |
Family
ID=77948405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023227911.8U Active CN214346437U (en) | 2020-12-28 | 2020-12-28 | Low-temperature reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214346437U (en) |
-
2020
- 2020-12-28 CN CN202023227911.8U patent/CN214346437U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214346437U (en) | Low-temperature reaction kettle | |
| CN110575806A (en) | Fiber-grade polypropylene production equipment | |
| CN102352428A (en) | Combined quenching tank provided with inner tank with bottom inserted propeller | |
| CN210331729U (en) | Crystallization kettle | |
| CN211562939U (en) | Even heating and cooling reaction kettle | |
| CN210965125U (en) | Polymerization kettle with self-cooling stirring system | |
| CN208346231U (en) | A kind of inside and outside Dual-cyclone steel tube quenching device | |
| CN214344539U (en) | Cryogenic kettle | |
| CN216557927U (en) | Cooling device for PVC heat stabilizer | |
| CN205392452U (en) | Depressant polymeric kettle | |
| CN211133962U (en) | Reaction kettle | |
| CN208711721U (en) | Highly effective reaction kettle | |
| CN210521824U (en) | Lithium hexafluorophosphate crystallization tank with rapid crystallization function | |
| CN205925689U (en) | Stirring formula reaction unit | |
| CN214553554U (en) | Reaction kettle capable of being cooled rapidly | |
| CN202415424U (en) | Chemical reaction kettle | |
| CN207356613U (en) | A kind of continuous production vacuum cooling crystallizer | |
| CN218222028U (en) | A rapid cooling device for producing organosilicon | |
| CN218962523U (en) | Emulsifying pot cooling device | |
| JP4273614B2 (en) | Pellet non-oxidation continuous cooling method | |
| CN104387258A (en) | Chloroacetic acid production method and chlorination reactor | |
| CN207287436U (en) | Aqueous insulation insulating moulding coating insulation reaction device | |
| CN218834504U (en) | Production reation kettle for graphite oxide | |
| CN213347843U (en) | Urea sulfate cooling crystallization roller | |
| CN115644481B (en) | Bean curd processing and pulp boiling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |