CN214528557U - Dimethylamine waste water high-efficiency treatment device of recoverable DMF - Google Patents
Dimethylamine waste water high-efficiency treatment device of recoverable DMF Download PDFInfo
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- CN214528557U CN214528557U CN202120704498.5U CN202120704498U CN214528557U CN 214528557 U CN214528557 U CN 214528557U CN 202120704498 U CN202120704498 U CN 202120704498U CN 214528557 U CN214528557 U CN 214528557U
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- waste water
- tower
- sedimentation tank
- welded
- welding
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- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000002351 wastewater Substances 0.000 title claims abstract description 34
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000004062 sedimentation Methods 0.000 claims abstract description 30
- 238000003466 welding Methods 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000009792 diffusion process Methods 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 17
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000004069 wastewater sedimentation Methods 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 37
- 239000007788 liquid Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009615 deamination Effects 0.000 description 2
- 238000006481 deamination reaction Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a waste water treatment technical field just discloses a dimethylamine waste water high-efficiency processing device of recoverable DMF, including the sedimentation tank, the side welding of sedimentation tank has the partition panel, the last surface welding of partition panel has the injection syringe, nut lid is installed along the nut outward to the injection syringe, the collecting vat has been seted up to the upper surface of partition panel. The utility model discloses a, through putting in waste water to the sedimentation tank in, because the setting of partition panel, thereby make waste water can not enter into the inside of sedimentation tank, and then can cool down the processing to waste water, make debris in the waste water can deposit fast, because a plurality of collecting vat has been seted up to partition panel's upper surface align to grid, pull up the lifting plate through the handle, thereby can take out debris, make the top of transmission to the partition panel that nitrogen gas can be faster, can be more quick carry out sedimentation treatment, and then reached high-efficient swift waste water sedimentation treatment that carries on, great promotion the purpose of efficiency.
Description
Technical Field
The utility model relates to a waste water treatment technical field specifically is a dimethylamine waste water high efficiency processing device of recoverable DMF.
Background
Dimethylformamide (DMF), a clear liquid, is miscible with water and most organic solvents, is a common solvent for chemical reactions, pure dimethylformamide is a special odor, and technical or modified dimethylformamide is fishy, because it contains dimethylamine as an impurity, named because it is a dimethyl substitute for formamide (the amide of formic acid), both methyl groups are located on the N (nitrogen) atom, and dimethylformamide is a polar (hydrophilic) aprotic solvent with high boiling point, and it promotes the SN2 reaction mechanism.
Present effluent treatment plant need deposit earlier waste water most and just can carry out work on next step after handling, but natural settling velocity is slow, and the effect is low, great waste the waste water treatment time, in addition have efficiency when to waste water treatment not high enough, the rectification is slower, the energy can be better carry out the recycle, for this reason, the utility model discloses release a recoverable DMF's dimethylamine waste water high efficiency processing apparatus.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a dimethylamine waste water high efficiency treatment device of recoverable DMF, can be high-efficient more when possessing waste water treatment and carrying out precipitation treatment to waste water, thereby the time of having practiced thrift, and rectification efficiency is good, the advantage of the cyclic use of the assurance energy that can be better, work efficiency is slow when depositing to waste water when having solved waste water treatment, need wait for waste water natural precipitation for a long time, and rectification inefficiency, the energy utilization is not in place, great waste the problem of the energy.
The utility model provides a following technical scheme: the utility model provides a dimethylamine waste water high-efficiency processing apparatus of recoverable DMF, includes the sedimentation tank, the side welding of sedimentation tank has the partition panel, the last surface welding of partition panel has the injection syringe, the nut lid is installed along the nut outward of injection syringe, the collecting vat has been seted up to the upper surface of partition panel, the inside of collecting vat is provided with carries the arm-tie, carry the side bonding of arm-tie to have the waterproof pad, carry the upper surface welding of arm-tie to have the handle, the lower surface welding of the inside of sedimentation tank has the iron prop, the upper surface of iron prop is provided with the diffusion mouth, the side welding of sedimentation tank has first pipeline, the one end welding that the sedimentation tank was kept away from to first pipeline has the one-level concentration tower, the side of one-level concentration tower is provided with the second grade concentration tower, the side of second grade concentration tower is provided with the rectifying column, the side welding of rectifying tower has the heat exchanger, the side welding of rectifying tower has the second pipeline, and a second condenser is arranged on the side surface of the second pipeline, and an acid removal tower is arranged on the side surface of the second condenser.
Preferably, a water-blocking plate is welded on the side surface of the rectifying tower, a processing box is arranged on the upper surface of the water-blocking plate, an exhaust pipe is arranged on the side surface of the processing box, a breathable waterproof plate is welded on the inner wall of the exhaust pipe, a water outlet is formed in the lower surface inside the exhaust pipe, a high-temperature-resistant motor is welded on the lower surface inside the rectifying tower, a rotating shaft is rotatably installed on the upper surface of the high-temperature-resistant motor, fan blades are welded on the side surface of the rotating shaft, a protective groove is formed in the side surface of the rectifying tower, a protective plate is rotatably installed on the side surface of the protective groove, a connecting block is welded on the lower surface of the protective plate, a bolt is welded on the side surface of the connecting block, a buckle is arranged on the lower surface inside the protective groove, an amine removal tower is arranged on the side surface of the rectifying tower, a blowing support tower is arranged on the side surface of the amine removal tower, a first condenser is arranged on the side surface of the blowing support tower, and an absorption tower is arranged on the side surface of the first condenser.
Preferably, the iron prop has a plurality of, and a plurality of iron prop is at the inside align to grid installation of sedimentation tank, a plurality of the upper surface of iron prop all is provided with the diffusion mouth, and the diffusion mouth sets up for the horn type, the diffusion mouth is contactless each other with the lower surface of partition panel.
Preferably, the upper surface area of the pulling plate is smaller than that of the collecting tank, the pulling plate and the collecting tank are arranged in a rectangular shape, waterproof pads are evenly arranged on the side surfaces of the pulling plate, and the waterproof pads are arranged in a soft shape.
Preferably, the exhaust pipe is arranged in a bent mode, one end, close to the high-temperature-resistant motor, of the exhaust pipe is located on the same horizontal plane with the fan blades, and the side area of the exhaust pipe is larger than that of the rotating shaft.
Preferably, the connecting block is perpendicularly installed with the lower surface of guard plate, and the bolt is perpendicularly installed with the connecting block, the side of buckle sets up for the opening, and the side area of bolt is less than buckle open-ended side area.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the dimethylamine wastewater high-efficiency treatment device capable of recycling DMF is characterized in that wastewater is put into a sedimentation tank, due to the arrangement of the partition plate, the wastewater cannot enter the sedimentation tank, liquid nitrogen is injected below the partition plate through an injection pipe, the nut cover is covered, the liquid nitrogen is contacted with the iron column, the iron column is cooler, the iron column moves cold air to the lower surface of the partition plate through a diffusion port, the wastewater can be cooled, sundries in the wastewater can be rapidly precipitated, a plurality of collecting tanks are uniformly arranged on the upper surface of the partition plate, the lifting plate is pulled up through a handle, the sundries can be taken out, due to the arrangement of the collecting tanks, the nitrogen can be more rapidly transmitted to the upper part of the partition plate, the precipitation treatment can be more rapidly carried out, and the wastewater precipitation treatment with high efficiency and rapidness is further achieved, the purpose of efficiency has greatly been promoted.
2. The dimethylamine waste water high-efficiency treatment device capable of recycling DMF ensures that the treatment box can be stably installed through the water-blocking plate, thereby heating the liquid in the processing box by the heater in the rectifying tower, putting down the protective plate, thereby the bolt can be clamped with the buckle, thereby effectively preventing the heat inside the rectifying tower from overflowing, when liquid in the processing box generates hot air, the hot air enters the exhaust pipe, the breathable waterproof plate blocks the condensed beads, so that the condensed beads fall from the water outlet, the hot air is exhausted from the exhaust hole, because the side area of the exhaust hole is small, the hot air can act on the fan blades, so that the fan blades can rotate, and the rotating shaft can be driven to rotate, and then the high-temperature resistant motor drives the heater to carry out heating treatment, thereby forming energy recycling and further achieving the purpose of saving energy.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side sectional view of the sedimentation tank structure of the present invention;
FIG. 3 is a side sectional view of the rectifying tower structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;
fig. 5 is an enlarged schematic view of the structure at the position B of the present invention.
In the figure: 1. a sedimentation tank; 2. a partition panel; 3. an injection tube; 4. a nut cover; 5. collecting tank; 6. lifting the plate; 7. a waterproof pad; 8. a handle; 9. a first pipeline; 10. a first-stage concentration tower; 11. a second stage concentration tower; 12. a rectifying tower; 13. a process cartridge; 14. an exhaust pipe; 15. a breathable waterproof sheet; 16. a water outlet; 17. a water-blocking plate; 18. a high temperature resistant motor; 19. a rotating shaft; 20. a fan blade; 21. a protective bath; 22. a protection plate; 23. connecting blocks; 24. a bolt; 25. buckling; 26. an iron column; 27. a diffusion port; 28. a heat exchanger; 29. an amine removing tower; 30. blowing and supporting the tower; 31. a first condenser; 32. an absorption tower; 33. a second pipeline; 34. a second condenser; 35. and (4) a deacidification tower.
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. 1-5, a dimethylamine wastewater high-efficiency treatment device capable of recycling DMF, comprising a sedimentation tank 1, wherein a partition plate 2 is welded on the side surface of the sedimentation tank 1, an injection pipe 3 is welded on the upper surface of the partition plate 2, a nut cover 4 is installed on the outer edge of the injection pipe 3 along a nut, a collecting tank 5 is arranged on the upper surface of the partition plate 2, a lifting plate 6 is arranged inside the collecting tank 5, a waterproof pad 7 is bonded on the side surface of the lifting plate 6, the upper surface area of the lifting plate 6 is smaller than that of the collecting tank 5, the lifting plate 6 and the collecting tank 5 are both arranged in a rectangular shape, the waterproof pad 7 is uniformly arranged on the side surface of the lifting plate 6, the waterproof pad 7 is arranged in a soft shape, a handle 8 is welded on the upper surface of the lifting plate 6, an iron column 26 is welded on the lower surface inside the sedimentation tank 1, a diffusion port 27 is arranged on the upper surface of the iron column 26, a plurality of iron columns 26 are uniformly arranged inside the sedimentation tank 1, the upper surfaces of the iron columns 26 are provided with diffusion ports 27, the diffusion ports 27 are arranged in a horn shape, the diffusion ports 27 are not in contact with the lower surface of the partition plate 2, the side surface of the sedimentation tank 1 is welded with a first pipeline 9, one end, far away from the sedimentation tank 1, of the first pipeline 9 is welded with a first-stage concentration tower 10, the side surface of the first-stage concentration tower 10 is provided with a second-stage concentration tower 11, the side surface of the second-stage concentration tower 11 is provided with a rectification tower 12, the side surface of the rectification tower 12 is welded with a heat exchanger 28, the side surface of the rectification tower 12 is welded with a second pipeline 33, the side surface of the second pipeline 33 is provided with a second condenser 34, the side surface of the second condenser 34 is provided with an acid removal tower 35, the side surface of the rectification tower 12 is welded with a water blocking plate 17, the upper surface of the water blocking plate 17 is provided with a processing box 13, the side surface of the processing box 13 is provided with an exhaust pipe 14, the inner wall of the exhaust pipe 14 is welded with a breathable waterproof plate 15, the lower surface inside the exhaust pipe 14 is provided with a water outlet 16, the lower surface of the interior of the rectifying tower 12 is welded with a high-temperature resistant motor 18, the upper surface of the high-temperature resistant motor 18 is rotatably provided with a rotating shaft 19, the exhaust pipe 14 is arranged in a bent mode, one end, close to the high-temperature resistant motor 18, of the exhaust pipe 14 is positioned on the same horizontal plane with the fan blades 20, the side area of the exhaust pipe 14 is larger than that of the rotating shaft 19, the fan blades 20 are welded on the side surface of the rotating shaft 19, the side surface of the rectifying tower 12 is provided with a protective groove 21, the side surface of the protective groove 21 is rotatably provided with a protective plate 22, the lower surface of the protective plate 22 is welded with a connecting block 23, the side surface of the connecting block 23 is welded with a plug 24, the lower surface of the interior of the protective groove 21 is provided with a buckle 25, the connecting block 23 is vertically arranged with the lower surface of the protective plate 22, the plug 24 is vertically arranged with the connecting block 23, the side surface of the buckle 25 is provided with an opening, and the side area of the plug 24 is smaller than that of the buckle 25, the side of the rectifying tower 12 is provided with a deamination tower 29, the side of the deamination tower 29 is provided with a blowing support tower 30, the side of the blowing support tower 30 is provided with a first condenser 31, the side of the first condenser 31 is provided with an absorption tower 32, by putting the wastewater into the sedimentation tank 1, due to the arrangement of the partition plate 2, the wastewater can not enter the sedimentation tank 1, liquid nitrogen is injected below the partition plate 2 through the injection pipe 3, the nut cover 4 is covered, the liquid nitrogen is contacted with the iron column 26, so that the iron column 26 is more cold, the iron column 26 moves the cold air to the lower surface of the partition plate 2 through the diffusion port 27, and further the wastewater can be cooled, so that the impurities in the wastewater can be rapidly precipitated, because the upper surface of the partition plate 2 is uniformly provided with a plurality of collecting tanks 5, the lifting plate 6 is pulled up through the handle 8, so that the impurities can be taken out, because of the collection groove 5, nitrogen can be more quickly transmitted to the upper part of the partition board 2, more quick precipitation treatment can be carried out, and then efficient and quick wastewater precipitation treatment is carried out, the purpose of greatly improving the efficiency is achieved, the treatment box 13 can be stably installed through the water blocking board 17, so that liquid in the treatment box 13 is heated by a heater in the rectifying tower 12, the protection board 22 is put down, the bolt 24 can be clamped with the buckle 25, thereby effectively preventing heat in the rectifying tower 12 from overflowing, when the liquid in the treatment box 13 generates hot air, the hot air enters the exhaust pipe 14, the breathable waterproof board 15 blocks the condensed beads, the condensed beads fall from the water outlet 16, the hot air is discharged from the exhaust holes, because the side areas of the exhaust holes are small, and then the hot air can act on the fan blades 20, the fan blades 20 can rotate to drive the rotating shaft 19 to rotate, and then the high-temperature-resistant motor 18 drives the heater to perform heating treatment, so that energy recycling is formed, and the purpose of saving energy is achieved.
Theory of operation, pour into nitrogen gas into through injection tube 3 to the inside of sedimentation tank 1, iron prop 26 and nitrogen gas contact, greatly reduced the temperature, diffusion mouth 27 carries nitrogen gas the position of more pressing close to partition panel 2, collecting vat 5 makes the top that enters into partition panel 2 that nitrogen gas can be faster, waterproof pad 7 makes the gap between 6 and the collecting vat 5 of carrying out the arm-tie reduce, debris on 6 will carrying out the arm-tie through handle 8 take out, the heater heats water-blocking plate 17, steam passes through blast pipe 14 and dashes to flabellum 20, flabellum 20 drives axis of rotation 19 and rotates, high temperature resistant motor 18 carry energy to the heater on can.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-efficient processing apparatus of dimethylamine waste water of recoverable DMF which characterized in that: comprises a sedimentation tank (1), wherein a partition board (2) is welded on the side surface of the sedimentation tank (1), an injection pipe (3) is welded on the upper surface of the partition board (2), a nut cover (4) is installed on the outer edge of the injection pipe (3) along a nut, a collecting tank (5) is arranged on the upper surface of the partition board (2), a lifting board (6) is arranged inside the collecting tank (5), a waterproof pad (7) is bonded on the side surface of the lifting board (6), a handle (8) is welded on the upper surface of the lifting board (6), an iron column (26) is welded on the lower surface inside the sedimentation tank (1), a diffusion port (27) is arranged on the upper surface of the iron column (26), a first pipeline (9) is welded on the side surface of the sedimentation tank (1), and a first-level concentration tower (10) is welded on one end, far away from the sedimentation tank (1), of the first pipeline (9), the side of one-level enrichment tower (10) is provided with second grade enrichment tower (11), the side of second grade enrichment tower (11) is provided with rectifying column (12), the side welding of rectifying column (12) has heat exchanger (28), the side welding of rectifying column (12) has second pipeline (33), the side of second pipeline (33) is provided with second condenser (34), the side of second condenser (34) is provided with deacidification tower (35).
2. The device for efficiently treating dimethylamine waste water capable of recovering DMF according to claim 1, wherein the device comprises: the side welding of rectifying column (12) has water-stop plate (17), the upper surface of water-stop plate (17) is provided with handles box (13), the side of handling box (13) is provided with blast pipe (14), the inner wall welding of blast pipe (14) has ventilative waterproof board (15), delivery port (16) have been seted up to the inside lower surface of blast pipe (14), the inside lower surface welding of rectifying column (12) has high temperature resistant motor (18), the last rotate surface of high temperature resistant motor (18) installs axis of rotation (19), the side welding of axis of rotation (19) has flabellum (20), protective housing (21) have been seted up to the side of rectifying column (12), protective plate (22) have been installed in the rotate of the side of protective housing (21), the lower weld of protective plate (22) has connecting block (23), the side welding of connecting block (23) has bolt (24), the inside lower surface of guard shield (21) is provided with buckle (25), the side of rectifying column (12) is provided with deaminizing tower (29), the side of deaminizing tower (29) is provided with blows support tower (30), the side of blowing support tower (30) is provided with first condenser (31), the side of first condenser (31) is provided with absorption tower (32).
3. The device for efficiently treating dimethylamine waste water capable of recovering DMF according to claim 1, wherein the device comprises: iron prop (26) have a plurality of, and a plurality of iron prop (26) are at the inside align to grid installation of sedimentation tank (1), a plurality of the upper surface of iron prop (26) all is provided with diffusion mouth (27), and diffusion mouth (27) are the horn type setting, diffusion mouth (27) and the lower surface of partition panel (2) do not contact each other.
4. The device for efficiently treating dimethylamine waste water capable of recovering DMF according to claim 1, wherein the device comprises: the upper surface area of the pulling plate (6) is smaller than that of the collecting tank (5), the pulling plate (6) and the collecting tank (5) are arranged in a rectangular mode, waterproof pads (7) are evenly arranged on the side faces of the pulling plate (6), and the waterproof pads (7) are arranged in a soft mode.
5. The device for efficiently treating dimethylamine waste water capable of recovering DMF according to claim 2, characterized in that: the exhaust pipe (14) is arranged in a bent mode, one end, close to the high-temperature-resistant motor (18), of the exhaust pipe (14) is located on the same horizontal plane with the fan blades (20), and the side area of the exhaust pipe (14) is larger than that of the rotating shaft (19).
6. The device for efficiently treating dimethylamine waste water capable of recovering DMF according to claim 2, characterized in that: connecting block (23) and the perpendicular installation of the lower surface of guard plate (22), and bolt (24) are perpendicular installation with connecting block (23), the side of buckle (25) is the opening setting, and the side area of bolt (24) is less than buckle (25) open-ended side area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704498.5U CN214528557U (en) | 2021-04-07 | 2021-04-07 | Dimethylamine waste water high-efficiency treatment device of recoverable DMF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704498.5U CN214528557U (en) | 2021-04-07 | 2021-04-07 | Dimethylamine waste water high-efficiency treatment device of recoverable DMF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214528557U true CN214528557U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120704498.5U Expired - Fee Related CN214528557U (en) | 2021-04-07 | 2021-04-07 | Dimethylamine waste water high-efficiency treatment device of recoverable DMF |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214528557U (en) |
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2021
- 2021-04-07 CN CN202120704498.5U patent/CN214528557U/en not_active Expired - Fee Related
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