CN210331729U - Crystallization kettle - Google Patents
Crystallization kettle Download PDFInfo
- Publication number
- CN210331729U CN210331729U CN201920577710.9U CN201920577710U CN210331729U CN 210331729 U CN210331729 U CN 210331729U CN 201920577710 U CN201920577710 U CN 201920577710U CN 210331729 U CN210331729 U CN 210331729U
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- inner coil
- kettle
- kettle body
- jacket
- stirring
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 41
- 230000008025 crystallization Effects 0.000 title claims abstract description 41
- 238000003756 stirring Methods 0.000 claims abstract description 62
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000004821 distillation Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a crystallization kettle, which comprises a kettle body, a stirrer and a motor; the outer side wall of the kettle body is sleeved with a jacket, the jacket is provided with a jacket medium outlet, a jacket exhaust port and a jacket medium inlet, and a reaction kettle support is fixed on the jacket or the outer side wall of the kettle body; the upper end of the kettle body is provided with a distillation pipeline outlet and a manhole, and at least one layer of inner coil pipe is arranged in the kettle body; the stirrer consists of a stirring shaft, an arc-shaped stirring paddle and a stirring assembly, a movable scraper is arranged at the free end of the stirrer, and the stirring assembly comprises a horizontal stirring paddle. The utility model has the advantages that the two layers of inner coil pipes are arranged in the crystallization kettle, the arc-shaped stirring paddles are stirred between the inner coil pipes and the inner wall of the kettle body of the crystallization kettle, and the arc-shaped stirring paddles are stirred between the inner coil pipes and the inner wall of the kettle body of the crystallization kettle, so that a refrigerant can be introduced into a reaction kettle jacket and the inner coil pipes simultaneously during cooling, and the heat exchange area is increased, so that the cooling rate is faster; thereby improving the efficiency of the concentration crystallization kettle.
Description
Technical Field
The utility model belongs to the technical field of chemical production, a crystallization kettle is related to.
Background
The crystallization process is an important operation unit in the chemical process and is also an important link for finishing the production of chemical products. Crystallization is a manufacturing and separating technology with high efficiency, low energy consumption and low pollution, and is paid great attention in recent years to the international industry and the scientific community. The existing relatively mature equipment is a crystallization kettle, and the existing crystallization kettle is cooled by a jacket, so that the temperature of a solution in the crystallization kettle is reduced to reduce the solubility of a solute, and the crystallization process is finished; the traditional crystallization kettle jacket has small heat exchange area, small flow speed of cooling fluid, low heat transfer coefficient and low crystallization efficiency; secondly, traditional crystallization kettle leads to temperature distribution inhomogeneous because the stirring is inhomogeneous, influences the crystallization form, influences crystallization efficiency simultaneously, and traditional stirring can lead to a large amount of crystals to adhere to on the internal wall of reation kettle cauldron moreover, has increased the clearance degree of difficulty promptly and has reduced output again.
Disclosure of Invention
In order to solve the problems of the crystallization kettle in the prior art, the utility model discloses a crystallization kettle, wherein two layers of inner coil pipes are arranged in the crystallization kettle, an arc stirring paddle is used for stirring between the inner coil pipes and the inner wall of the crystallization kettle body, and the arc stirring paddle is used for stirring between the inner coil pipes and the inner wall of the crystallization kettle body, so that a refrigerant can be simultaneously introduced into a reaction kettle jacket and the inner coil pipes during cooling, and the heat exchange area is increased, thereby the cooling speed is faster; thereby improving the efficiency of the concentration crystallization kettle.
The technical scheme of the utility model is realized like this:
the utility model discloses a crystallization kettle, which comprises a kettle body, a stirrer arranged in the kettle body and a motor used for driving the stirrer to rotate; a jacket is sleeved on the outer side wall of the kettle body, a jacket medium outlet, a jacket exhaust port and a jacket medium inlet are arranged on the jacket, and a reaction kettle support is fixed on the jacket or the outer side wall of the kettle body; the distillation device comprises a kettle body, wherein a distillation pipeline outlet and a manhole are arranged at the upper end of the kettle body, at least one layer of inner coil is arranged in the kettle body, the inner coil comprises a vertical inner coil medium inlet section, a horizontally coiled cooling section and an inner coil medium outlet section which is opposite to the inner coil medium inlet section, the inner coil medium inlet section extends towards the outlet direction of a rectification pipeline, and the inner coil medium outlet section extends towards the manhole direction; the agitator comprises (mixing) shaft, symmetry setting at the terminal two arc stirring rakes of (mixing) shaft and the solid stirring subassembly that stirs at the (mixing) shaft of cover, the (mixing) shaft passes cauldron body top center and is connected with the motor that sets up in cauldron body upper end, and the free end of two arc stirring rakes is placed between interior coil pipe and the internal wall of cauldron to be equipped with the movable scraper blade that is used for contacting with cauldron internal wall on the arc stirring rake respectively, the stirring subassembly includes at least two-layer horizontal stirring rake, stirs in the region that the inner coil pipe encloses.
As a preferred embodiment, the movable scrapers may be arranged in a staggered manner to scrape the crystals on different heights of the inner wall of the kettle body, preferably, one of the movable scrapers is located at the free end of one arc-shaped stirring paddle, the other movable scraper is located on the other arc-shaped stirring paddle, and the upper end of the movable scraper and the lower end of the movable scraper at the free end are located on the same horizontal plane.
In a preferred embodiment, the motor is a BLD4-17-11 type reduction motor.
As a preferred embodiment, two layers of inner coil pipes are arranged in the kettle body from inside to outside, each two layers of inner coil pipes are composed of two vertical inner coil pipe medium inlet sections, two layers of horizontally coiled cooling sections and an inner coil pipe medium outlet section with a tee joint at the inlet, and the tee joint is respectively communicated with the outlets of the two layers of horizontally coiled cooling sections and the inlet of the inner coil pipe medium outlet section.
As a preferred embodiment, the stirring assembly consists of four layers of horizontal stirring paddles arranged from top to bottom.
As a preferred embodiment, at least two connecting rods are arranged between the lowest horizontal stirring paddle and the arc-shaped stirring paddle, and the fourth layer of horizontal stirring paddle from top to bottom is arranged on the lowest horizontal stirring paddle.
As a preferred embodiment, the free end of the movable scraper is of an arc-surface structure and is consistent with the radian of the inner wall of the kettle body; preferably, the movable scraper is a tetrafluoro movable scraper.
As a preferred embodiment, a coil fixing piece is arranged in the kettle body and used for fixing the inner coil.
As a preferred embodiment, the fixing piece is composed of symmetrically arranged vertical rods wound with inner coil pipes and transverse rods fixed between the vertical rods and the inner wall of the kettle body.
As a preferred embodiment, a U-shaped buckle for fixing the inner coil pipe is further arranged on the vertical rod.
In a preferred embodiment, a thermometer is further provided in the tank, and the thermometer extends in the direction of the outlet of the distillation line.
The utility model has the advantages that the two layers of inner coil pipes are arranged in the crystallization kettle, the arc-shaped stirring paddles are stirred between the inner coil pipes and the inner wall of the kettle body of the crystallization kettle, and the arc-shaped stirring paddles are stirred between the inner coil pipes and the inner wall of the kettle body of the crystallization kettle, so that a refrigerant can be introduced into a reaction kettle jacket and the inner coil pipes simultaneously during cooling, and the heat exchange area is increased, so that the cooling speed is faster; because crystallization kettle volume restriction, place arc stirring rake in between inner coil pipe and the reation kettle cauldron wall, both can avoid forcing the stirring rake to diminish because of setting up inner coil pipe, the problem that stirring ability descends, can set up tetrafluoro movable scraper blade again on the stirring rake, will cool down partial product of adherence when crystallizing and scrape off, improve single batch output and yield, have important meaning in industrial production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1. a kettle body; 2. a jacket; 3. a reaction kettle support; 4. a coil pipe fixing piece; 5. a stirrer; 11. a motor; 12. an outlet of the distillation line; 13. a manhole; 21. a jacket medium outlet; 22. a jacket exhaust port; 23. a jacket medium inlet; 24. a discharge port; 31. an inner coil media inlet section; 32. a horizontally coiled cooling section; 33. an inner coil media outlet section; 41. a vertical rod; 42. a cross bar; 51. a stirring shaft; 52. an arc-shaped stirring paddle; 53. a tetrafluoro movable scraper; 54. a horizontal stirring paddle; 55. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The crystallization kettle shown in fig. 1 comprises a kettle body 1, a stirrer arranged in the kettle body 1, and a motor 11 for driving the stirrer to rotate; the outer side wall of the kettle body 1 is sleeved with a jacket 2, the jacket 2 is provided with a jacket medium outlet 21, a jacket exhaust port 22 and a jacket medium inlet 23, and the outer side wall of the jacket 2 is fixed with a reaction kettle support 3; a distillation pipeline outlet 12 and a manhole 13 are arranged at the upper end of the kettle body 1, and a discharge hole 24 is arranged at the bottom of the kettle body 1; two layers of inner coil pipes 3 are arranged in the kettle body 2 from inside to outside, each two layers of inner coil pipes are composed of two vertical inner coil pipe medium inlet sections 31, two layers of horizontally coiled cooling sections 32 and an inner coil pipe medium outlet section 33 with a tee joint at the inlet, the tee joint is respectively communicated with the outlets of the two layers of horizontally coiled cooling sections 32 and the inlets of the inner coil pipe medium outlet sections 33, the inner coil pipe medium inlet sections 31 extend towards the direction of the outlet 12 of the rectifying pipeline, and the inner coil pipe medium outlet sections 33 extend towards the direction of the manhole 13; the reactor comprises a kettle body 1, a coil pipe fixing piece 4 for fixing an inner coil pipe, wherein the fixing piece 4 consists of vertical rods 41 which are symmetrically arranged and wound with the inner coil pipe and cross rods 42 fixed between the vertical rods 41 and the inner wall of the kettle body, and the vertical rods 41 are also provided with U-shaped buckles 43 for fixing the inner coil pipe; the stirrer 5 comprises a stirring shaft 51, two arc-shaped stirring paddles 52 symmetrically arranged at the tail end of the stirring shaft, and a stirring assembly fixedly sleeved on the stirring shaft 51, wherein the stirring shaft 51 penetrates through the center of the top of the kettle body 1 and is connected with a motor 11 arranged at the upper end of the kettle body 1, the free ends of the two arc-shaped stirring paddles 52 are arranged between the inner coil pipe and the inner wall of the kettle body, a tetrafluoro movable scraper 53 used for contacting with the inner wall of the kettle body is arranged on the arc-shaped stirring paddles 52, the free end of the tetrafluoro movable scraper 53 is of an arc-shaped structure and is consistent with the radian of the inner wall of the kettle body, the stirring assembly comprises four layers of horizontal stirring paddles 54 arranged from top to bottom, the four layers of horizontal stirring paddles 54 are stirred in an area defined by the inner coil pipe, two connecting rods 55 are arranged between the horizontal stirring paddle 54 at the lowest part and the arc-shaped stirring paddles 52, the tetrafluoro movable scraper, the other tetrafluoro movable scraper 53 is positioned on the other arc-shaped stirring paddle 52, and the upper end of the tetrafluoro movable scraper 53 and the lower end of the tetrafluoro movable scraper 53 at the free end are positioned on the same horizontal plane, and are used for scraping crystals on different heights on the inner wall of the kettle body 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A crystallization kettle comprises a kettle body, a stirrer arranged in the kettle body, and a motor used for driving the stirrer to rotate; the method is characterized in that: a jacket is sleeved on the outer side wall of the kettle body, a jacket medium outlet, a jacket exhaust port and a jacket medium inlet are arranged on the jacket, and a reaction kettle support is fixed on the jacket or the outer side wall of the kettle body; the distillation device comprises a kettle body, wherein a distillation pipeline outlet and a manhole are arranged at the upper end of the kettle body, at least one layer of inner coil is arranged in the kettle body, the inner coil comprises a vertical inner coil medium inlet section, a horizontally coiled cooling section and an inner coil medium outlet section which is opposite to the inner coil medium inlet section, the inner coil medium inlet section extends towards the distillation pipeline outlet direction, and the inner coil medium outlet section extends towards the manhole direction; the agitator comprises (mixing) shaft, symmetry setting at the terminal two arc stirring rakes of (mixing) shaft and the solid stirring subassembly of cover on the (mixing) shaft, the (mixing) shaft passes cauldron body top center and is connected with the motor that sets up in cauldron body upper end, and the free end of two arc stirring rakes is placed between interior coil pipe and the internal wall of cauldron to be equipped with the movable scraper blade that is used for contacting with the internal wall of cauldron at its free end, the stirring subassembly includes at least two-layer horizontal stirring rake, stirs in the region that the inner coil pipe encloses.
2. The crystallization kettle of claim 1, wherein: the kettle is characterized in that two layers of inner coil pipes are arranged in the kettle body from inside to outside, each inner coil pipe is composed of two vertical inner coil pipe medium inlet sections, two layers of horizontally coiled cooling sections and an inner coil pipe medium outlet section with a tee joint at the inlet, and the tee joint is communicated with the outlets of the two layers of horizontally coiled cooling sections and the inlet of the inner coil pipe medium outlet section.
3. The crystallization kettle of claim 1, wherein: the stirring component consists of four layers of horizontal stirring paddles arranged from top to bottom.
4. The crystallization kettle of claim 3, wherein: at least two connecting rods are arranged between the horizontal stirring paddle at the lowest part and the arc-shaped stirring paddle.
5. The crystallization kettle of claim 1, wherein: the free end of the movable scraper is of a cambered surface structure and is consistent with the radian of the inner wall of the kettle body.
6. The crystallization kettle according to any one of claims 1 to 5, wherein: and the coil pipe fixing piece is used for fixing the inner coil pipe in the kettle body.
7. The crystallization kettle of claim 6, wherein: the fixing piece is composed of a vertical rod and a cross rod, wherein the vertical rod is symmetrically arranged and wound with an inner coil, and the cross rod is fixed between the vertical rod and the inner wall of the kettle body.
8. The crystallization kettle of claim 7, wherein: the vertical rod is also provided with a U-shaped buckle for fixing the inner coil pipe.
9. The crystallization kettle of claim 1, wherein: a thermometer is also arranged in the kettle body.
10. The crystallization kettle of claim 9, wherein: the thermometer extends towards the outlet of the distillation pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577710.9U CN210331729U (en) | 2019-04-25 | 2019-04-25 | Crystallization kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577710.9U CN210331729U (en) | 2019-04-25 | 2019-04-25 | Crystallization kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210331729U true CN210331729U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920577710.9U Active CN210331729U (en) | 2019-04-25 | 2019-04-25 | Crystallization kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210331729U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517943A (en) * | 2020-04-27 | 2020-08-11 | 浙江海翔净水科技有限公司 | Production process and production equipment of sodium acetate |
| CN113546587A (en) * | 2021-07-13 | 2021-10-26 | 江苏瑞亚搅拌科技有限公司 | High-efficient polymeric kettle mixer |
| CN117379868A (en) * | 2023-12-12 | 2024-01-12 | 山西裕英永旭新材料有限责任公司 | Filter pressing tank |
-
2019
- 2019-04-25 CN CN201920577710.9U patent/CN210331729U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517943A (en) * | 2020-04-27 | 2020-08-11 | 浙江海翔净水科技有限公司 | Production process and production equipment of sodium acetate |
| CN113546587A (en) * | 2021-07-13 | 2021-10-26 | 江苏瑞亚搅拌科技有限公司 | High-efficient polymeric kettle mixer |
| CN117379868A (en) * | 2023-12-12 | 2024-01-12 | 山西裕英永旭新材料有限责任公司 | Filter pressing tank |
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