CN219682112U - Membrane separation recovery unit of dichloromethane - Google Patents
Membrane separation recovery unit of dichloromethane Download PDFInfo
- Publication number
- CN219682112U CN219682112U CN202321377727.2U CN202321377727U CN219682112U CN 219682112 U CN219682112 U CN 219682112U CN 202321377727 U CN202321377727 U CN 202321377727U CN 219682112 U CN219682112 U CN 219682112U
- Authority
- CN
- China
- Prior art keywords
- cover body
- fixedly connected
- liquid
- pipe
- gas
- 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
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000012528 membrane Substances 0.000 title claims abstract description 20
- 238000000926 separation method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 11
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 241000883990 Flabellum Species 0.000 description 5
- 239000002904 solvent Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229930186147 Cephalosporin Natural products 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a membrane separation and recovery device of methylene dichloride, which comprises a bottom plate, a gas-liquid separator and side plates symmetrically arranged at the top of the bottom plate, wherein a liquid spraying screw compressor is arranged at one side of the top of the bottom plate, one end of the liquid spraying screw compressor is connected with an input pipe, the other end of the liquid spraying screw compressor is connected with a discharge pipe, the discharge pipe is communicated with an inlet of the gas-liquid separator, an exhaust pipe is arranged at an exhaust port of the gas-liquid separator, and a liquid collecting box is connected with a liquid outlet of the gas-liquid separator, and the membrane separation and recovery device further comprises: one side that the gas-liquid separator was kept away from to the blast pipe is connected with the cover body one, the bottom of the cover body one is connected with the cover body two, the inside fixedly connected with condenser pipe of the cover body two has been solved dichloromethane and has been directly discharged the air if not handled, can cause the pollution to the environment, has also improved the problem of the cost of production simultaneously, has reduced the cost loss that the direct emission of dichloromethane caused, has improved the practicality of device.
Description
Technical Field
The utility model relates to the technical field of dichloromethane recovery, in particular to a membrane separation recovery device of dichloromethane.
Background
Dichloromethane is a common solvent in pharmaceutical chemical industry, and is particularly used as a common crystallization solvent in the synthesis of cephalosporin drugs. Is soluble in about 50 times of water and can form azeotropic mixtures with water, ethanol, acetone, methanol, etc. Is not easy to burn, and is often used as a substitute solvent for petroleum ether and diethyl ether which are flammable solvents.
If the dichloromethane is not treated, the dichloromethane is directly discharged into the air, so that the environment is polluted, and meanwhile, in order to reduce the production cost, the dichloromethane generated in the production needs to be recycled, so that the dichloromethane is convenient to recycle, and the discharged waste gas reaches the environment-friendly emission standard, so that a membrane separation and recovery device of the dichloromethane is needed.
A membrane separation recovery device of methylene dichloride is proposed so as to solve the problems set forth in the above.
Disclosure of Invention
The utility model aims to provide a membrane separation recovery device of dichloromethane, which solves the problems that the dichloromethane is directly discharged into the air without treatment, so that the environment is polluted, and the production cost is increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a membrane separation and recovery device of methylene dichloride comprises a bottom plate, a gas-liquid separator and side plates symmetrically arranged at the top of the bottom plate;
a liquid spraying screw compressor is arranged on one side of the top of the bottom plate, one end of the liquid spraying screw compressor is connected with an input pipe, the other end of the liquid spraying screw compressor is connected with a discharge pipe, the discharge pipe is communicated with an inlet of a gas-liquid separator, an exhaust pipe is arranged at an exhaust port of the gas-liquid separator, and a liquid outlet of the gas-liquid separator is connected with a liquid collecting tank;
further comprises:
one side of the exhaust pipe, which is far away from the gas-liquid separator, is connected with a first cover body, the bottom of the first cover body is connected with a second cover body, and a condensing pipe is fixedly connected inside the second cover body;
the exhaust branch pipe is connected with the bottom of the first cover body, the exhaust branch pipe is connected with the middle of the first cover body, the storage tank is connected with the bottom of the first cover body, a discharge hole is arranged on one side of the storage tank, and a gear ring is fixedly connected with the outer side of the middle of the second cover body;
the middle inner side of the side plate is fixedly connected with a transverse plate, one side, close to the second cover body, of the top of the transverse plate is provided with a slow motor, the output end of the slow motor is fixedly connected with a main shaft, the top of the main shaft is fixedly connected with a first gear, and the first gear is in meshed connection with a gear ring.
Preferably, the first cover body is located the top and the bottom of the second cover body, the inlet is installed to the one end of condenser pipe, the liquid outlet is installed to the other end of condenser pipe, inlet and liquid outlet are located the outside of the first cover body, the outside fixedly connected with of the first cover body is fixed to the cover, fixed cover and curb plate fixed connection.
Preferably, the two ends of the second cover body are rotationally connected with rotating pieces, the rotating pieces are fixedly connected with the first cover body, the second cover body is rotationally connected with the second cover body, a sealing ring is arranged at the joint of the rotating pieces and the second cover body, and stirring plates are symmetrically fixed on the inner side of the second cover body.
Preferably, the outside fixedly connected with main belt pulley of main shaft, the top of diaphragm rotates and is connected with the driven shaft, the inboard upper portion fixedly connected with roof of curb plate, the top and the roof rotation of driven shaft are connected.
Preferably, the lower part outside fixedly connected with of driven shaft is from the belt pulley, from belt pulley and main belt pulley adaptation connection, the upper portion outside fixedly connected with main helical gear of driven shaft, the bottom of roof is close to one side fixedly connected with installation piece of cover body one.
Preferably, the inside rotation of installation piece is connected with the pivot, the one end fixedly connected with of pivot is from the helical gear, from helical gear and main helical gear meshing connection.
Preferably, a fan blade is fixedly connected to one side of the rotating shaft, and the fan blade is located at one end, close to the first cover body, of the rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that: through setting up the cover body one, the cover body two, the condenser pipe, rotating the piece, slow motor, the main shaft, gear and ring gear, the cover body two cooperates the rotating the piece and can realize rotating, start slow motor and drive main shaft and gear rotation, the gear drives the ring gear again and rotates, and then drive the cover body two and inside stirring board rotates, stirring board rotation can drive inside gaseous disturbance, make things convenient for gaseous and condenser pipe intensive contact, and then improved the effect of condensation, make the dichloromethane liquefaction separate out, thereby improve the recovery efficiency of dichloromethane, the cost loss that the direct emission of dichloromethane caused has been reduced, its concrete content is as follows:
1. through setting up the cover body one, the cover body two, the condenser pipe, rotating the piece, slow motor, the main shaft, gear one and ring gear, the cover body two cooperates the rotating the piece and can realize rotating, start slow motor and drive main shaft and gear one and rotate, the gear drives the ring gear again and rotates, and then drive the stirring board rotation of the cover body two and inside, stirring board rotation can drive inside gaseous disturbance, make things convenient for gaseous and condenser pipe intensive contact, and then improved the effect of condensation, make the dichloromethane liquefaction separate out, thereby improve the recovery efficiency of dichloromethane, the problem that the dichloromethane can cause the pollution to the environment if not handling direct discharge to the air has been solved, the cost loss that the direct discharge of dichloromethane caused has also been reduced simultaneously, the practicality of device has been improved.
2. Be provided with main belt pulley, from belt pulley, driven shaft, main helical gear, pivot, from helical gear and flabellum, slow motor drives main belt pulley and rotates, and then can drive from belt pulley and driven shaft rotation, and the cooperation of rethread main helical gear and from helical gear can drive pivot and flabellum and rotate, and the flabellum can be to the second of rotatory cover body cooling of blowing, has further improved the condensation effect of device, is favorable to the recycle of dichloromethane.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model in a front section;
FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present utility model;
FIG. 3 is a schematic diagram of the overall structure of the present utility model in front view;
FIG. 4 is an enlarged view of area B of FIG. 2 according to the present utility model;
fig. 5 is an enlarged view of the area C of fig. 2 according to the present utility model.
In the figure: 1. a bottom plate; 2. a side plate; 3. a spray screw compressor; 4. an input tube; 5. a discharge pipe; 6. a gas-liquid separator; 7. an exhaust pipe; 8. a cover body I; 9. a second cover body; 10. a condensing tube; 11. a liquid inlet; 12. a liquid outlet; 13. a fixed sleeve; 14. a collection pipe; 15. an exhaust branch pipe; 16. a storage tank; 17. a discharge port; 18. a rotating member; 19. a seal ring; 20. an agitating plate; 21. a gear ring; 22. a cross plate; 23. a slow motor; 24. a main shaft; 25. a first gear; 26. a main pulley; 27. a driven shaft; 28. a slave pulley; 29. a main helical gear; 30. a top plate; 31. a mounting block; 32. a rotating shaft; 33. from the bevel gear; 34. a fan blade; 35. a liquid collecting box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: a membrane separation recovery device of methylene dichloride comprises a bottom plate 1, a gas-liquid separator 6 and side plates 2 symmetrically arranged on the top of the bottom plate 1.
The liquid spraying screw compressor 3 is installed on one side of the top of the bottom plate 1, one end of the liquid spraying screw compressor 3 is connected with the input pipe 4, the other end of the liquid spraying screw compressor 3 is connected with the discharge pipe 5, the discharge pipe 5 is communicated with the inlet of the gas-liquid separator 6, the exhaust pipe 7 is installed at the exhaust port of the gas-liquid separator 6, the liquid outlet of the gas-liquid separator 6 is connected with the liquid collecting tank 35, and the model of the gas-liquid separator 6 adopts RA-206.
One side of the exhaust pipe 7 far away from the gas-liquid separator 6 is connected with a first cover body 8, the bottom of the first cover body 8 is connected with a second cover body 9, the first cover body 8 is positioned at the top and the bottom of the second cover body 9, and a condensation pipe 10 is fixedly connected inside the second cover body 9.
The inlet 11 is installed to the one end of condenser pipe 10, and liquid outlet 12 is installed to the other end of condenser pipe 10, and inlet 11 and liquid outlet 12 are located the outside of cover body one 8, and the outside fixedly connected with fixed cover 13 of cover body one 8, fixed cover 13 and curb plate 2 fixed connection.
Wherein, cover body one 8 is symmetrical setting, and the bottom of lower part cover body one 8 is connected with collecting pipe 14 in a run-through, and the middle part of collecting pipe 14 is connected with exhaust branch pipe 15, and collecting pipe 14's bottom through connection has holding vessel 16, and discharge gate 17 is installed to one side of holding vessel 16, and the both ends rotation of cover body two 9 are connected with rotation piece 18, rotation piece 18 and cover body one 8 fixed connection.
The second cover 9 is rotationally connected with the first cover 8, a sealing ring 19 is arranged at the joint of the rotating piece 18 and the second cover 9, stirring plates 20 are symmetrically fixed on the inner side of the second cover 9, a gear ring 21 is fixedly connected on the outer side of the middle of the second cover 9, a transverse plate 22 is fixedly connected on the inner side of the middle of the side plate 2, a slow motor 23 is arranged on one side, close to the second cover 9, of the top of the transverse plate 22, a main shaft 24 is fixedly connected with the output end of the slow motor 23, a first gear 25 is fixedly connected on the top of the main shaft 24, and the first gear 25 is meshed with the gear ring 21.
Through setting up cover body one 8, cover body two 9, condenser pipe 10, rotating member 18, slow motor 23, main shaft 24, gear one 25 and ring gear 21, cover body two 9 cooperation rotating member 18 can realize rotating, start slow motor 23 and drive main shaft 24 and gear one 25 rotation, gear one drives the ring gear 21 again and rotates, and then drive cover body two 9 and inside stirring board 20 rotation, stirring board 20 rotation can drive inside gas disturbance, make things convenient for gas and condenser pipe 10 abundant contact, and then the effect of condensation has been improved, make the dichloromethane liquefaction separate, thereby improve the recovery efficiency of dichloromethane, the problem that the direct emission of dichloromethane if not through handling in the air can cause the pollution to the environment has been solved, simultaneously also improved the cost of production, the cost loss that the direct emission of dichloromethane caused has been reduced, the practicality of device has been improved.
The outside fixedly connected with main belt pulley 26 of main shaft 24, the top of diaphragm 22 rotates and is connected with driven shaft 27, and the inboard upper portion fixedly connected with roof 30 of curb plate 2, the top and the roof 30 rotation of driven shaft 27 are connected.
The lower part outside fixedly connected with from the belt pulley 28 of driven shaft 27, from belt pulley 28 through belt and main belt pulley 26 adaptation connection, the upper portion outside fixedly connected with main helical gear 29 of driven shaft 27, the bottom of roof 30 is close to 8 one side fixedly connected with installation piece 31.
The inside rotation of installation piece 31 is connected with pivot 32, and the one end fixedly connected with of pivot 32 is followed helical gear 33, follows helical gear 33 and main helical gear 29 meshing and is connected, and one side fixedly connected with flabellum 34 of pivot 32, flabellum 34 are located the one end that the pivot 32 is close to cover body one 8.
The device is provided with a main belt pulley 26, a secondary belt pulley 28, a driven shaft 27, a main bevel gear 29, a rotating shaft 32, a secondary bevel gear 33 and fan blades 34, wherein the slow motor 23 drives the main belt pulley 26 to rotate, and then the secondary belt pulley 28 and the driven shaft 27 can be driven to rotate, the rotating shaft 32 and the fan blades 34 can be driven to rotate through the cooperation of the main bevel gear 29 and the secondary bevel gear 33, and the fan blades 34 can blow and cool the rotating cover body II 9, so that the condensation effect of the device is further improved, and the recycling of methylene dichloride is facilitated.
Working principle:
before using the membrane separation recovery device of methylene dichloride, the whole condition of the device is required to be checked firstly to confirm that normal operation can be carried out, according to the figures 1-5, firstly, mixed gas enters a liquid spraying screw compressor 3, the liquid spraying screw compressor 3 automatically operates and self-adapts the working frequency to be balanced with the corresponding air inflow, volatile gas is compressed, the pressure is increased to 0.8MPa (G), the compressed volatile gas is input into a gas-liquid separator 6 through a discharge pipe 5, condensed circulating liquid enters a liquid collecting box 35 to be collected, non-condensable volatile gas flows into the inside of a cover body I8 and a cover body II 9 through an exhaust pipe 7,
the low-speed motor 23 is started, the low-speed motor 23 drives the main shaft 24 and the first gear 25 to rotate, the first gear 25 drives the gear ring 21 and the second cover 9 to rotate, the second cover 9 and the stirring plate 20 inside are driven to rotate, the stirring plate 20 can drive the air disturbance inside, the air is convenient to fully contact with the condenser tube 10, the condensation effect is improved, the main shaft 24 drives the main belt pulley 26 to rotate at the same time, the driven belt pulley 28 and the driven shaft 27 can be driven to rotate, the main bevel gear 29 and the driven bevel gear 33 are matched, the rotating shaft 32 and the fan blades 34 can be driven to rotate, the fan blades 34 can blow and cool the second cover 9 which rotates, and the condensation effect of the device is further improved.
More than eighty percent of dichloromethane in the volatile gas is condensed into liquid, the liquid enters a storage tank 16 through a collecting pipe 14, noncondensable volatile gas is discharged into a gas separation membrane (not shown) for treatment through an exhaust branch pipe 15, most of dichloromethane in the noncondensable gas is enriched and concentrated through the gas separation membrane and then returns to an inlet of a liquid spraying screw compressor 3 to be overlapped, and the dichloromethane enters a compression and condensation process again, so that the recovery efficiency of dichloromethane is improved, and the cost loss caused by direct discharge of dichloromethane is reduced.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A membrane separation and recovery device of methylene dichloride comprises a bottom plate (1), a gas-liquid separator (6) and side plates (2) symmetrically arranged at the top of the bottom plate (1);
a liquid spraying screw compressor (3) is arranged on one side of the top of the bottom plate (1), one end of the liquid spraying screw compressor (3) is connected with an input pipe (4), the other end of the liquid spraying screw compressor (3) is connected with a discharge pipe (5), the discharge pipe (5) is communicated with an inlet of a gas-liquid separator (6), an exhaust pipe (7) is arranged at an exhaust port of the gas-liquid separator (6), and a liquid outlet of the gas-liquid separator (6) is connected with a liquid collecting tank (35);
characterized by further comprising:
one side of the exhaust pipe (7) far away from the gas-liquid separator (6) is connected with a first cover body (8), the bottom of the first cover body (8) is connected with a second cover body (9), and a condensing pipe (10) is fixedly connected in the second cover body (9);
the exhaust pipe is characterized in that the first cover body (8) is symmetrically arranged, the bottom end of the first cover body (8) at the lower part is connected with a collecting pipe (14) in a penetrating way, the middle part of the collecting pipe (14) is connected with an exhaust branch pipe (15), the bottom of the collecting pipe (14) is connected with a storage tank (16) in a penetrating way, one side of the storage tank (16) is provided with a discharge hole (17), and the outer side of the middle part of the second cover body (9) is fixedly connected with a gear ring (21);
the novel gear is characterized in that a transverse plate (22) is fixedly connected to the inner side of the middle of the side plate (2), a slow motor (23) is installed on one side, close to the second cover body (9), of the top of the transverse plate (22), a main shaft (24) is fixedly connected to the output end of the slow motor (23), a first gear (25) is fixedly connected to the top of the main shaft (24), and the first gear (25) is meshed with the gear ring (21).
2. The membrane separation and recovery device for methylene chloride according to claim 1, wherein: the novel condensing tube comprises a first cover body (8), a second cover body (9), a liquid inlet (11) and a liquid outlet (12), wherein the first cover body (8) is arranged at the top and the bottom of the first cover body (9), the liquid inlet (11) is arranged at one end of the condensing tube (10), the liquid outlet (12) is arranged at the other end of the condensing tube (10), the liquid inlet (11) and the liquid outlet (12) are arranged at the outer part of the first cover body (8), a fixing sleeve (13) is fixedly connected to the outer side of the first cover body (8), and the fixing sleeve (13) is fixedly connected with the side plate (2).
3. The membrane separation and recovery device for methylene chloride according to claim 2, wherein: the two ends of the second cover body (9) are rotationally connected with rotating pieces (18), the rotating pieces (18) are fixedly connected with the first cover body (8), the second cover body (9) is rotationally connected with the first cover body (8), sealing rings (19) are arranged at the connecting positions of the rotating pieces (18) and the second cover body (9), and stirring plates (20) are symmetrically fixed on the inner side of the second cover body (9).
4. The membrane separation and recovery device for methylene chloride according to claim 1, wherein: the outer side of the main shaft (24) is fixedly connected with a main belt pulley (26), the top of the transverse plate (22) is rotationally connected with a driven shaft (27), the upper part of the inner side of the side plate (2) is fixedly connected with a top plate (30), and the top end of the driven shaft (27) is rotationally connected with the top plate (30).
5. The membrane separation and recovery device for methylene chloride according to claim 4, wherein: the driven shaft (27) is fixedly connected with a slave belt pulley (28) on the outer side of the lower portion, the slave belt pulley (28) is in fit connection with a main belt pulley (26) through a belt, a main bevel gear (29) is fixedly connected on the outer side of the upper portion of the driven shaft (27), and a mounting block (31) is fixedly connected on one side, close to the first cover body (8), of the bottom of the top plate (30).
6. The membrane separation and recovery device for methylene chloride according to claim 5, wherein: the inside rotation of installation piece (31) is connected with pivot (32), the one end fixedly connected with of pivot (32) is from helical gear (33), from helical gear (33) and main helical gear (29) meshing connection.
7. The membrane separation and recovery device for methylene chloride according to claim 6, wherein: one side of the rotating shaft (32) is fixedly connected with a fan blade (34), and the fan blade (34) is positioned at one end of the rotating shaft (32) close to the first cover body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377727.2U CN219682112U (en) | 2023-06-01 | 2023-06-01 | Membrane separation recovery unit of dichloromethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377727.2U CN219682112U (en) | 2023-06-01 | 2023-06-01 | Membrane separation recovery unit of dichloromethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219682112U true CN219682112U (en) | 2023-09-15 |
Family
ID=87966878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321377727.2U Active CN219682112U (en) | 2023-06-01 | 2023-06-01 | Membrane separation recovery unit of dichloromethane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219682112U (en) |
-
2023
- 2023-06-01 CN CN202321377727.2U patent/CN219682112U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205576137U (en) | Biological fermentation case with cleaning function | |
| CN111018293A (en) | Device for preparing composite biochar by co-pyrolysis of sludge and biomass and use method thereof | |
| CN219682112U (en) | Membrane separation recovery unit of dichloromethane | |
| CN112076708A (en) | Device for filtering gas heat energy and compressing by using high-temperature slurry | |
| CN217698606U (en) | 5-norbornene-2-aldehyde tail gas absorption device | |
| CN207342234U (en) | One kind vacuum distillation recycling machine | |
| CN110040806A (en) | A kind of carbon dioxide gas recovery system | |
| CN109721030A (en) | A kind of mixing spent acid gasification process for separation and purification | |
| CN214598890U (en) | Energy-saving environment-friendly vacuum device for producing water-based resin | |
| CN105154157B (en) | Landfill gas produces the pretreatment unit and method of compressed natural gas | |
| CN211025810U (en) | Protection type flue gas desulfurization dust remover | |
| CN211302139U (en) | Organic solvent waste gas condensation recovery unit | |
| CN219319095U (en) | Cooling water purification waste heat recovery equipment | |
| CN214913517U (en) | Gas-liquid separation type evaporation device | |
| CN111039532B (en) | Timing valve applied to device for preparing composite biochar through co-pyrolysis of sludge and biomass and application method of timing valve | |
| CN219735741U (en) | Absorption tower cooling system for high-heat sulfur trioxide treatment | |
| CN2244611Y (en) | High-speed rotary bubble remover | |
| CN221451752U (en) | Toluene removal rectifying tower | |
| CN215799096U (en) | Device for preparing composite biochar by co-pyrolysis of sludge and biomass | |
| CN212731068U (en) | Enrichment facility is used in processing of hand cream | |
| CN220213959U (en) | Gas flash tank | |
| CN219186410U (en) | Energy-saving and environment-friendly crude copper production flue gas filtering device | |
| CN221732464U (en) | A waste water tank for acetylene gas is retrieved | |
| CN209238097U (en) | A kind of energy-saving lamp crushing recyclable device | |
| CN213254397U (en) | Novel condensation reaction kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |