CN213725647U - Methyl chloride recovery unit - Google Patents
Methyl chloride recovery unit Download PDFInfo
- Publication number
- CN213725647U CN213725647U CN202022150429.2U CN202022150429U CN213725647U CN 213725647 U CN213725647 U CN 213725647U CN 202022150429 U CN202022150429 U CN 202022150429U CN 213725647 U CN213725647 U CN 213725647U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- tower main
- pipe
- main body
- rotating shaft
- 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
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- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 229940050176 methyl chloride Drugs 0.000 title claims description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 abstract description 19
- 239000002918 waste heat Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a chloromethane recovery device, which belongs to the technical field of chloromethane recovery and comprises an absorption tower main body, a spiral heat exchange tube, a stirring rod, an air duct, a second motor, a spray head and a guide plate, wherein an air inlet tube is arranged below the left side of the absorption tower main body, a first motor is arranged in the middle of the lower part of the absorption tower main body, a first rotating shaft is arranged above the first motor, and the air duct is arranged on the first rotating shaft; the first rotating shaft is provided with a stirring rod, a plurality of sharp-angle bulges are uniformly distributed on the stirring rod, guide plates are arranged on the inner walls of the left side and the right side of the absorption tower main body, and spiral heat exchange tubes are arranged in the wall body of the absorption tower main body; the liquid suction pipe is installed to the right side below of absorption tower main part, installs the second motor in the middle of the top of absorption tower main part, and the connecting pipe is installed to the below of second pivot. The utility model discloses a spiral heat exchange tube that sets up can carry out recycle, more energy-concerving and environment-protective to the waste heat of tail gas.
Description
Technical Field
The utility model belongs to the technical field of methyl chloride retrieves, specifically a methyl chloride recovery unit.
Background
The methyl chloride is a flammable and explosive organic halide, has pungent smell and belongs to carcinogenic substances, in the production process of the methyl chloride, a certain amount of methyl chloride is still contained in the generated tail gas, the tail gas is directly discharged to pollute the environment and harm the health of people, the existing treatment process for the methyl chloride tail gas generally needs a plurality of processes of absorption, cooling, flash evaporation, rectification, segregation and the like, but most of the existing absorption towers for recovering the methyl chloride have single structures and are often insufficient in absorbing the methyl chloride in the tail gas, the absorbed tail gas still contains a large amount of methyl chloride, the absorption effect is not ideal, meanwhile, the tail gas of the methyl chloride contains a certain amount of waste heat, and the existing absorption towers are not provided with mechanisms for recycling the waste heat in the tail gas, so that waste of a heat energy resource is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chloromethane recovery unit 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:
a chloromethane recovery device comprises an absorption tower main body, a spiral heat exchange tube, a stirring rod, an air guide tube, a second motor, a spray head and a guide plate, wherein an air inlet tube is arranged below the left side of the absorption tower main body; the first rotating shaft is provided with a stirring rod, a plurality of sharp-angle bulges are uniformly distributed on the stirring rod, the inner walls of the left side and the right side of the absorption tower main body are provided with flow guide plates, a water inlet pipe is arranged above the left side of the absorption tower main body, and a spiral heat exchange pipe is arranged in the wall body of the absorption tower main body; the liquid suction pipe is installed to the right side below of absorption tower main part, installs the drawing liquid pump on the liquid suction pipe, installs the second motor in the middle of the top of absorption tower main part, and the second pivot is installed to the below of second motor, and the connecting pipe is installed to the below of second pivot.
As a further aspect of the present invention: a liquid inlet pipe is installed on the left side of the upper portion of the absorption tower main body, and a liquid discharge pipe is arranged on the right side of the lower portion of the absorption tower main body.
As a further aspect of the present invention: a plurality of air distribution holes are uniformly distributed on the air duct.
As a further aspect of the present invention: the right side of the water inlet pipe is connected with the left side of the upper part of the spiral heat exchange pipe, and the lower part of the right side of the spiral heat exchange pipe is connected with a water outlet pipe.
As a further aspect of the present invention: and a second communicating cavity is arranged in the second rotating shaft, a plurality of spray heads are uniformly distributed below the connecting pipe, and a second shaft sleeve is arranged between the liquid pumping pipe and the second rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that: the spiral heat exchange tube can recycle the waste heat of the tail gas, so that the energy is saved and the environment is protected; the air distribution is more uniform through the matched use of the first motor, the first rotating shaft, the air guide pipe and the air distribution hole; the absorption liquid can be stirred by the arranged stirring rod, so that the absorption effect is improved; the sharp-angle bulges can break the bubbles in the absorption liquid, so that the chloromethane can be better contacted with the absorption liquid, and the absorption effect is better; through the cooperation use between drawing liquid pump, drawing liquid pipe, second motor, second pivot, connecting pipe and the shower nozzle that sets up, can make the shower nozzle spray range wider, spray more comprehensively.
Drawings
Fig. 1 is a schematic structural diagram of a methyl chloride recovery device.
Fig. 2 is a schematic top sectional view of an absorption tower main body in a methyl chloride recovery device.
Fig. 3 is a schematic top sectional view of the inlet pipe of the methyl chloride recovery unit connected to the first communicating chamber.
In the figure: 1. an absorption tower main body; 2. a support leg; 3. a spiral heat exchange tube; 4. a water inlet pipe; 5. a water outlet pipe; 6. a liquid inlet pipe; 7. a first motor; 8. a first rotating shaft; 9. a stirring rod; 10. the sharp corner is convex; 11. an air inlet pipe; 12. a first bushing; 13. an air duct; 14. distributing air holes; 15. a liquid pumping pipe; 16. a liquid pump; 17. a second motor; 18. a second rotating shaft; 19. a second communicating chamber; 20. a second shaft sleeve; 21. a connecting pipe; 22. a spray head; 23. a first communicating chamber; 24. a liquid discharge pipe; 25. an exhaust pipe; 26. a baffle.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a chloromethane recovery device comprises an absorption tower body 1, a spiral heat exchange tube 3, a stirring rod 9, an air duct 13, a second motor 17, a spray head 22 and a guide plate 26; the below fixed mounting of absorption tower main part 1 has four landing legs 2, and feed liquor pipe 6 is installed on the top left side of absorption tower main part 1, and the below right side of absorption tower main part 1 is provided with fluid-discharge tube 24, inputs the absorption liquid in to absorption tower main part 1 through feed liquor pipe 6, and the absorption liquid comprises three kinds of raw materials of benzene, ethanol and dichloroethane, and wherein benzene, ethanol and dichloroethane three's content ratio is 1: 1: 1, intake pipe 11 is installed to the left side below of absorption tower main part 1, the inside of absorption tower main part 1 is extended to the right side of intake pipe 11, install first motor 7 in the middle of the below of absorption tower main part 1, first pivot 8 is installed to the top of first motor 7, be provided with first intercommunication chamber 23 in the first pivot 8, install first axle sleeve 12 between the right side of intake pipe 11 and the first pivot 8, intercommunication between intake pipe 11 and the first intercommunication chamber 23, install air duct 13 on the first pivot 8, the top and the air duct 13 intercommunication in first intercommunication chamber 23, the equipartition is provided with a plurality of cloth gas holes 14 on the air duct 13, can drive first pivot 8 through first motor 7 and rotate, first pivot 8 can drive air duct 13 and rotate, air duct 13 can drive cloth gas hole 14 and rotate, thereby make the cloth gas more even, improve the absorption effect.
The absorption tower is characterized in that a stirring rod 9 is installed on the first rotating shaft 8, a plurality of sharp-angle bulges 10 are uniformly distributed on the stirring rod 9, absorption liquid can be stirred through the arranged stirring rod 9, the absorption liquid is more uniform, the absorption effect is improved, bubbles in the absorption liquid can be broken through the arranged sharp-angle bulges 10, methyl chloride can be better contacted with the absorption liquid, the absorption effect is better, flow guide plates 26 are installed on the inner walls of the left side and the right side of the absorption tower main body 1, tail gas can be guided through the arranged flow guide plates 26, the residence time and the stroke of the tail gas in the absorption liquid are prolonged, the absorption liquid can more fully absorb the methyl chloride, a water inlet pipe 4 is installed above the left side of the absorption tower main body 1, a spiral heat exchange pipe 3 is arranged in the wall body of the absorption tower main body 1, the right side of the water inlet pipe 4 is connected with the left side above the spiral heat exchange pipe 3, a water outlet pipe 5 is connected below the right side of the spiral heat exchange pipe 3, the spiral heat exchange tube 3 can recover the waste heat of the tail gas in the absorption tower main body 1, and is more energy-saving and environment-friendly.
A liquid pumping pipe 15 is arranged below the right side of the absorption tower main body 1, a liquid pumping pump 16 is arranged on the liquid pumping pipe 15, the upper part of the liquid pumping pipe 15 extends to the upper part of the inside of the absorption tower main body 1, a second motor 17 is arranged in the middle of the upper part of the absorption tower main body 1, a second rotating shaft 18 is arranged below the second motor 17, a connecting pipe 21 is arranged below the second rotating shaft 18, a second communicating cavity 19 is arranged in the second rotating shaft 18, the lower part of the second communicating cavity 19 is communicated with the connecting pipe 21, a plurality of spray heads 22 are uniformly arranged below the connecting pipe 21, a second shaft sleeve 20 is arranged between the liquid pumping pipe 15 and the second rotating shaft 18, the liquid pumping pipe 15 is communicated with the second communicating cavity 19, the absorption liquid in the absorption tower main body 1 can be conveyed to the spray heads 22 through the arranged liquid pumping pump 16 to spray the tail gas, the absorption effect on the chloromethane is further improved, and the second rotating shaft 18 can be driven to rotate through the arranged second motor 17, second pivot 18 can drive connecting pipe 21 and rotate, and connecting pipe 21 can drive shower nozzle 22 and rotate, makes shower nozzle 22 spray more comprehensively, improves and sprays the effect, and the right side top of absorption tower main part 1 is provided with blast pipe 25, and blast pipe 25 inserts next process.
The utility model discloses a theory of operation is: firstly, adding a proper amount of absorption liquid into an absorption tower main body 1 through a liquid inlet pipe 6, then introducing tail gas into the absorption tower main body 1 through an air inlet pipe 11, simultaneously driving a first rotating shaft 8 to rotate through a first motor 7, driving an air guide pipe 13 and a stirring rod 9 to rotate through the first rotating shaft 8, driving an air distribution hole 14 to rotate through the air guide pipe 13, distributing air into the absorption tower main body 1 through the air distribution hole 14, stirring the absorption liquid through the stirring rod 9, mixing the tail gas and the absorption liquid to absorb methyl chloride, conveying the absorption liquid at the bottom of the absorption tower main body 1 to a spray head 22 through an extraction pump 16 to be sprayed out, simultaneously driving a second rotating shaft 18 to rotate through a second motor 17, driving a connecting pipe 21 to rotate through the second rotating shaft 18, driving the spray head 22 to rotate through the connecting pipe 21, and spraying the tail gas through the spray head 22 by spraying the absorption liquid; cold water is injected into the spiral heat exchange tube 3 through the water inlet tube 4, the spiral heat exchange tube 3 recovers waste heat in the absorption tower main body 1, and hot water generated after the waste heat is recovered is collected through the water outlet tube 5.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A methyl chloride recovery device comprises an absorption tower main body (1), a spiral heat exchange tube (3), a stirring rod (9), an air guide tube (13), a second motor (17), a spray head (22) and a guide plate (26), wherein four support legs (2) are fixedly mounted below the absorption tower main body (1), the methyl chloride recovery device is characterized in that an air inlet tube (11) is mounted below the left side of the absorption tower main body (1), a first motor (7) is mounted in the middle of the lower side of the absorption tower main body (1), a first rotating shaft (8) is mounted above the first motor (7), a first communicating cavity (23) is arranged in the first rotating shaft (8), a first shaft sleeve (12) is mounted between the right side of the air inlet tube (11) and the first rotating shaft (8), and the air guide tube (13) is mounted on the first rotating shaft (8); a stirring rod (9) is installed on the first rotating shaft (8), a plurality of sharp-angled bulges (10) are uniformly distributed on the stirring rod (9), guide plates (26) are installed on the inner walls of the left side and the right side of the absorption tower main body (1), a water inlet pipe (4) is installed above the left side of the absorption tower main body (1), and a spiral heat exchange pipe (3) is arranged in the wall body of the absorption tower main body (1); liquid suction pipe (15) are installed to the right side below of absorption tower main part (1), install drawing liquid pump (16) on liquid suction pipe (15), install second motor (17) in the middle of the top of absorption tower main part (1), second pivot (18) are installed to the below of second motor (17), and connecting pipe (21) are installed to the below of second pivot (18).
2. The methyl chloride recovery device according to claim 1, wherein a liquid inlet pipe (6) is arranged at the upper left side of the absorption tower body (1), and a liquid outlet pipe (24) is arranged at the lower right side of the absorption tower body (1).
3. The methyl chloride recovery device according to claim 1, wherein a plurality of air distribution holes (14) are uniformly distributed on the air guide pipe (13).
4. A methyl chloride recovery device according to claim 1, characterized in that the right side of the water inlet pipe (4) is connected with the upper left side of the spiral heat exchange pipe (3), and the lower part of the right side of the spiral heat exchange pipe (3) is connected with the water outlet pipe (5).
5. The methyl chloride recovery device according to claim 1, wherein a second communication cavity (19) is arranged in the second rotating shaft (18), a plurality of spray heads (22) are uniformly arranged below the connecting pipe (21), and a second shaft sleeve (20) is arranged between the liquid pumping pipe (15) and the second rotating shaft (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150429.2U CN213725647U (en) | 2020-09-27 | 2020-09-27 | Methyl chloride recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150429.2U CN213725647U (en) | 2020-09-27 | 2020-09-27 | Methyl chloride recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213725647U true CN213725647U (en) | 2021-07-20 |
Family
ID=76846538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022150429.2U Expired - Fee Related CN213725647U (en) | 2020-09-27 | 2020-09-27 | Methyl chloride recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213725647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571060A (en) * | 2023-06-01 | 2023-08-11 | 大庆亿鑫化工股份有限公司 | Petroleum ether preparation waste gas recycling equipment and technology |
-
2020
- 2020-09-27 CN CN202022150429.2U patent/CN213725647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571060A (en) * | 2023-06-01 | 2023-08-11 | 大庆亿鑫化工股份有限公司 | Petroleum ether preparation waste gas recycling equipment and technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |