CN213667965U - Distillation column is used in methyl methacrylate production - Google Patents
Distillation column is used in methyl methacrylate production Download PDFInfo
- Publication number
- CN213667965U CN213667965U CN202022437375.8U CN202022437375U CN213667965U CN 213667965 U CN213667965 U CN 213667965U CN 202022437375 U CN202022437375 U CN 202022437375U CN 213667965 U CN213667965 U CN 213667965U
- Authority
- CN
- China
- Prior art keywords
- tower body
- distillation tower
- distillation column
- methyl methacrylate
- baffle
- 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.)
- Expired - Fee Related
Links
- 238000004821 distillation Methods 0.000 title claims abstract description 69
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 238000005192 partition Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 6
- 210000001503 joint Anatomy 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010074268 Reproductive toxicity Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100001224 moderate toxicity Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000007696 reproductive toxicity Effects 0.000 description 1
- 231100000372 reproductive toxicity Toxicity 0.000 description 1
- 230000003390 teratogenic effect Effects 0.000 description 1
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a distillation column is used in methyl methacrylate production, comprising a tower body, the middle of distillation column body violently is equipped with the baffle, and the baffle is "L" shape structure, and forms the recess between the lateral wall of baffle and distillation column body, the top of baffle is provided with the rotary drum, and the inner wall of rotary drum has the back shaft through the leg joint, and the one end of back shaft is connected with the lateral wall of distillation column body, and the other end of back shaft is provided with the second gear, and one side vertical meshing of second gear is connected with first gear, wears to be equipped with the main shaft in the centre of first gear, and the bottom that the lower extreme of main shaft passed the distillation column body is connected with the motor, the bottom of distillation column body one side is provided with the inlet. This distillation column is used in methyl methacrylate production adopts structural design such as baffle and rotary drum, can drive solution constantly and roll in distillation process, makes solution expose bigger surface area to can fully contact with steam for evaporation efficiency.
Description
Technical Field
The utility model relates to a methyl methacrylate production facility technical field specifically is a distillation column is used in methyl methacrylate production.
Background
Methyl methacrylate is an organic compound, also known as MMA, abbreviated as methylmethacrylate. Is an important chemical raw material, and is a monomer for producing transparent plastic polymethyl methacrylate (polymethyl methacrylate, PMMA). Is flammable, has a strong pungent odor, has moderate toxicity, reproductive toxicity and teratogenic effects, and should be avoided from long-term contact.
The traditional distillation tower leads the low boiling point component in the solution to be evaporated and separated by introducing steam into the tower to be contacted with the solution, but the steam is contacted with the solution in the tower with lower efficiency, so that the evaporation efficiency is slower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a distillation column is used in methyl methacrylate production to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a distillation column is used in methyl methacrylate production, includes the tower body, the centre of distillation tower body violently is equipped with the baffle, and the baffle is "L" shape structure, and forms the recess between the lateral wall of baffle and distillation tower body, the top of baffle is provided with the rotary drum, and the inner wall of rotary drum has the back shaft through the leg joint, and the one end of back shaft is connected with the lateral wall of distillation tower body, and the other end of back shaft is provided with the second gear, and one side vertical meshing of second gear is connected with first gear, and the main shaft is worn to be equipped with in the centre of first gear, and the bottom that the lower extreme of main.
Preferably, the bottom of distillation tower body one side is provided with the inlet, and the bottom of distillation tower body one side is provided with the air inlet to the bottom of distillation tower body opposite side is provided with the leakage fluid dram, and the height that highly is less than the air inlet of leakage fluid dram.
Preferably, the outer wall of the distillation tower body is connected with the upper ends of the support legs, and the support legs are distributed around the periphery of the distillation tower body at equal intervals.
Preferably, the partition plate is provided with a plurality of partition plates, and the partition plates are staggered and equidistantly distributed in the distillation tower body.
Preferably, fins are uniformly arranged on the inner side wall and the outer side wall of the rotary drum, and the fins and the rotary drum are of an integral structure.
Preferably, the upper end of the main shaft is connected with the middle of a transverse frame, and two ends of the transverse frame are respectively fixedly connected with the inner walls of two sides of the distillation tower body.
Compared with the prior art, the beneficial effects of the utility model are that: this distillation column is used in methyl methacrylate production adopts structural design such as baffle and rotary drum, can drive solution constantly and roll in distillation process, makes solution expose bigger surface area to can fully contact with steam for evaporation efficiency.
Drawings
FIG. 1 is a front view of a distillation column for producing methyl methacrylate according to the present invention;
FIG. 2 is a side view of a rotary drum of a distillation column for producing methyl methacrylate according to the present invention;
FIG. 3 is a top view of the distillation column partition for methyl methacrylate production of the present invention.
In the figure: 1. liquid inlet, 2, distillation tower body, 3, partition board, 4, support leg, 5, liquid outlet, 6, motor, 7, cross frame, 8, main shaft, 9, first gear, 10, second gear, 11, support shaft, 12, support, 13, rotary drum, 14, fin, 15 and air inlet.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a distillation tower for producing methyl methacrylate comprises a tower body 2, a clapboard 3 is transversely arranged in the middle of the distillation tower body 2, the clapboard 3 is welded, the clapboard 3 is of an L-shaped structure, a groove is formed between the clapboard 3 and the side wall of the distillation tower body 2, solution can be temporarily stored in the groove, the solution can be fully contacted with steam, a plurality of clapboards 3 are arranged, the clapboards 3 are distributed in the distillation tower body 2 in a staggered and equidistant way, the structure enables the solution to be distributed in multiple layers and flow down gradually, the heating efficiency is greatly improved, a rotary drum 13 is arranged above the clapboard 3, the inner wall of the rotary drum 13 is connected with a support shaft 11 through a bracket 12, the bracket 12 is welded with the support shaft 11, the bracket 12 is fixedly connected with the rotary drum 13 through screws, one end of the support shaft 11 is connected with the side wall of the distillation tower body 2, the two are rotatably connected through a bearing, the second gear 10 and the supporting shaft 11 are fixed by welding, one side of the second gear 10 is vertically meshed with a first gear 9, a main shaft 8 penetrates through the middle of the first gear 9 and is fixed by clamping, the lower end of the main shaft 8 penetrates through the bottom of the distillation tower body 2 and is connected with a motor 6, the main shaft 8 is rotatably connected with the distillation tower body 2 through a bearing, and the main shaft 8 is fixedly connected with the shaft of the motor 6, so that the rotary drum 13 can rotate like a waterwheel to drive the solution to roll continuously, the solution is fully exposed, the contact area between the solution and steam is increased, the evaporation efficiency can be accelerated, fins 14 are uniformly arranged on the side walls on the inner side and the outer side of the rotary drum 13, and the fins 14 and the rotary drum 13 are of an integral structure, so that the rotary drum 13 has a larger surface area, the heating is fast, the heat transfer to the solution is fast, the distillation efficiency can be improved, a, raw material solution can be added here, and the bottom of 2 one sides of distillation tower body is provided with air inlet 15, hot steam can let in here, and the bottom of 2 opposite sides of distillation tower body is provided with leakage fluid dram 5, unevaporated liquid can be discharged here, leakage fluid dram 5 highly is less than the height of air inlet 15, the upper end of distillation tower body 2 should set up the gas vent, gas after the evaporation of discharging, the outer wall connection of distillation tower body 2 has the upper end of stabilizer blade 4, here both are the welding, stabilizer blade 4 has a plurality ofly around the equidistance distribution about distillation tower body 2, this structure can erect distillation tower body 2, and make distillation tower body 2 remain stable, the upper end of main shaft 8 is connected with the centre of crossbearer 7, here both rotate through the bearing and connect, the both ends of crossbearer 7 respectively with the both sides inner wall fixed connection of distillation tower body 2, this structure makes.
The working principle is as follows: when the distillation column for producing methyl methacrylate is used, the apparatus is first inspected for the presence of a broken part or a loose connection, the raw material solution is added from the liquid inlet 1, the solution can be divided into a plurality of layers by the partition board 3 in the distillation tower body 2, so that the steam can contact with the solution in a large area to accelerate the evaporation, moreover, a rotating drum 13 is arranged above the clapboard 3, the rotating drum 13 is driven by the motor 6 to rotate, the solution temporarily stored at the top of the clapboard 3 can be driven to roll continuously like a waterwheel, the solution is fully exposed in the steam, the contact area between the solution and the steam is increased, thereby, the distillation efficiency can be accelerated, the evaporated gas is discharged from the opening at the upper end of the distillation tower body 2, and the non-evaporated solution is discharged from the liquid outlet 5 at the bottom of one side of the distillation tower body 2, which is the working principle of the distillation tower for producing methyl methacrylate.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A distillation column for producing methyl methacrylate comprises a column body (2), and is characterized in that: the middle of distillation tower body (2) violently is equipped with baffle (3), and baffle (3) are "L" shape structure, and form the recess between the lateral wall of baffle (3) and distillation tower body (2), the top of baffle (3) is provided with rotary drum (13), and the inner wall of rotary drum (13) is connected with back shaft (11) through support (12), and the one end of back shaft (11) is connected with the lateral wall of distillation tower body (2), and the other end of back shaft (11) is provided with second gear (10), and one side vertical meshing of second gear (10) is connected with first gear (9), and main shaft (8) are worn to be equipped with in the centre of first gear (9), and the bottom that the lower extreme of main shaft (8) passed distillation tower body (2) is connected with motor (6).
2. The distillation column for producing methyl methacrylate according to claim 1, wherein: the bottom of distillation tower body (2) one side is provided with inlet (1), and the bottom of distillation tower body (2) one side is provided with air inlet (15) to the bottom of distillation tower body (2) opposite side is provided with leakage fluid dram (5), and the height that highly is less than air inlet (15) of leakage fluid dram (5).
3. The distillation column for producing methyl methacrylate according to claim 1, wherein: the outer wall of the distillation tower body (2) is connected with the upper ends of the support legs (4), and the support legs (4) are distributed around the periphery of the distillation tower body (2) at equal intervals.
4. The distillation column for producing methyl methacrylate according to claim 1, wherein: the partition plates (3) are arranged in a plurality of numbers, and the partition plates (3) are distributed in the distillation tower body (2) in a staggered and equidistant mode.
5. The distillation column for producing methyl methacrylate according to claim 1, wherein: fins (14) are uniformly arranged on the side walls of the inner side and the outer side of the rotary drum (13), and the fins (14) and the rotary drum (13) are of an integral structure.
6. The distillation column for producing methyl methacrylate according to claim 1, wherein: the upper end of the main shaft (8) is connected with the middle of a transverse frame (7), and the two ends of the transverse frame (7) are fixedly connected with the inner walls of the two sides of the distillation tower body (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022437375.8U CN213667965U (en) | 2020-10-28 | 2020-10-28 | Distillation column is used in methyl methacrylate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022437375.8U CN213667965U (en) | 2020-10-28 | 2020-10-28 | Distillation column is used in methyl methacrylate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213667965U true CN213667965U (en) | 2021-07-13 |
Family
ID=76761974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022437375.8U Expired - Fee Related CN213667965U (en) | 2020-10-28 | 2020-10-28 | Distillation column is used in methyl methacrylate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213667965U (en) |
-
2020
- 2020-10-28 CN CN202022437375.8U patent/CN213667965U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209952274U (en) | High-efficient evaporation crystallization device | |
| CN213667965U (en) | Distillation column is used in methyl methacrylate production | |
| CN107328196A (en) | A kind of industrial chemicals processing drying machine | |
| CN101708872A (en) | Solar desalting device | |
| CN211903793U (en) | Condenser for chemical industry | |
| CN207227047U (en) | A kind of cloth liquid disk device of brine waste falling film evaporator | |
| CN216536986U (en) | Continuous large-particle salt energy-saving crystallizer | |
| CN214808484U (en) | Multiple-effect concentration evaporator | |
| CN212700611U (en) | Rectifying tower | |
| CN211513469U (en) | High-efficient multistage fractionating tower is used to white mineral oil | |
| CN208361925U (en) | A kind of ocean wind and wave resistance versatile platform | |
| CN214319142U (en) | Environment-friendly evaporating pot with high evaporating efficiency | |
| CN113663346A (en) | Ethanol extraction waste liquid ethanol recovery unit | |
| CN217585002U (en) | Energy-saving utilization device for circulating water pump cooling water system | |
| CN213790023U (en) | Methylene dichloride stills | |
| CN219897096U (en) | MVR heat pump rectifying system based on spiral turbulent reheating | |
| CN213853109U (en) | External circulation vacuum concentrator for chemical industry | |
| CN215585474U (en) | High-efficiency energy-saving evaporator | |
| CN214948943U (en) | Pure steam generator convenient to scale removal | |
| CN218280568U (en) | Water-soluble fertile production is with high-efficient concentrator | |
| CN215353090U (en) | Multi-pipe stirring and concentrating device | |
| CN220968123U (en) | Alpha-bromocinnamaldehyde separation rectifying device | |
| CN220070739U (en) | Kettle type reboiler | |
| CN216347997U (en) | Phase-change heat storage device for waste heat recovery | |
| CN216645013U (en) | Device for comprehensively utilizing condensed water heat source |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |