CN220003486U - NMP recovery tower device - Google Patents
NMP recovery tower device Download PDFInfo
- Publication number
- CN220003486U CN220003486U CN202321427934.4U CN202321427934U CN220003486U CN 220003486 U CN220003486 U CN 220003486U CN 202321427934 U CN202321427934 U CN 202321427934U CN 220003486 U CN220003486 U CN 220003486U
- Authority
- CN
- China
- Prior art keywords
- tower body
- pipe
- connecting seat
- nmp recovery
- solution
- 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.)
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Links
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 abstract description 14
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses an NMP recovery tower device, and relates to the technical field of NMP recovery. Including the tower body, the blast pipe is installed to the bottom of tower body, and its top is equipped with the blast pipe, and the hollow cylinder's that submerges in solution connecting seat is installed to the inner chamber of tower body, and the outer wall of connecting seat is even to be equipped with the outlet duct, and the top of outlet duct is even to be equipped with the jet head, and the top rotatable of connecting seat is connected with the pivot, and the outer wall of pivot is equipped with the puddler of stirring solution. This NMP recovery tower device through setting up the connecting seat to evenly be equipped with the outlet duct at the outer wall of connecting seat, can make waste gas fully diffuse when entering into the tower body, with the area of contact of the solution of expanding and accumulating in the tower body, through setting up pivot and puddler, can stir the solution of accumulating in the tower body, in order to promote the mixture of solution and waste gas.
Description
Technical Field
The utility model relates to the technical field of NMP recovery, in particular to an NMP recovery tower device.
Background
NMP is an aprotic solvent with extremely strong solubility, is widely applied to industries such as lithium batteries, medicines, pesticides, electronics, petrochemical industry and the like, and generally adopts two modes to treat NMP waste gas, namely a condensation method, and uses a condensation mode to condense and recycle the waste gas; 2. in the shower method, the off-gas is fed into the NMP recovery tower from the lower part thereof, and the solvent is allowed to be showered from the upper part thereof to combine with the off-gas.
When NMP waste gas is treated by a shower method, NMP waste gas sent into a tower body cannot be fully diffused, so that the waste gas cannot be fully contacted with a solvent.
Disclosure of Invention
The utility model provides an NMP recovery tower device, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a NMP recovery tower device, includes the tower body, the blast pipe is installed to the bottom of tower body, and its top is equipped with the blast pipe, hollow cylinder's connecting seat submerged in solution is installed to the inner chamber of tower body, the outer wall of connecting seat is even to be equipped with the outlet duct, the top of outlet duct is even to be equipped with the jet head, the rotatable pivot that is connected with in top of connecting seat, the outer wall of pivot is equipped with the puddler of stirring solution.
Further, a spray pipe is arranged at the top of the inner cavity of the tower body, and spray heads are uniformly arranged at the bottom of the spray pipe.
Further, the top of the rotating shaft is provided with an impeller, and the impeller is driven by the solution flowing downwards at the spraying position of the spraying pipe to drive the rotating shaft to rotate.
Further, the inner cavity of the tower body is positioned above the impeller to form a spiral section.
Further, a filling frame filled with filling materials is arranged below the spraying pipe in the inner cavity of the tower body.
Further, a wire mesh demister is arranged above the spray pipe in the inner cavity of the tower body.
Further, a liquid discharge pipe is arranged on one side of the tower body, a water pump is arranged on the outer wall of the tower body, a water inlet of the water pump is communicated with the liquid discharge pipe through a water pipe, and a water outlet of the water pump is communicated with a spray pipe through the water pipe.
Compared with the prior art, the utility model provides an NMP recovery tower device, which has the following beneficial effects:
1. this NMP recovery tower device is through setting up the connecting seat to evenly be equipped with the outlet duct at the outer wall of connecting seat, can make waste gas fully diffuse when entering into the tower body, with the area of contact of the solution of accumulating in the expansion and the tower body.
2. This NMP recovery tower device through setting up pivot and puddler, can stir the solution of accumulating in the tower body to promote the mixture of solution and waste gas.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic plan view of the present utility model;
fig. 3 is a schematic structural view of the air outlet pipe of the present utility model.
In the figure: 1. a tower body; 2. an air supply pipe; 3. an exhaust pipe; 4. a connecting seat; 5. an air outlet pipe; 6. a jet head; 7. a rotating shaft; 8. a stirring rod; 9. an impeller; 10. a helical section; 11. a filler frame; 12. a shower pipe; 13. a liquid discharge pipe; 14. a water pump; 15. a wire mesh demister.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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. 1-3, the utility model discloses an NMP recovery tower device, which comprises a tower body 1, wherein an air supply pipe 2 is arranged at the bottom of the tower body 1, an exhaust pipe 3 is arranged at the top of the tower body, a hollow cylindrical connecting seat 4 submerged in a solution accumulated in the inner cavity of the tower body 1 is arranged in the inner cavity of the tower body 1, an air outlet pipe 5 is uniformly arranged on the outer wall of the connecting seat 4, an air jet head 6 is uniformly arranged at the top of the air outlet pipe 5, a rotating shaft 7 is rotatably connected at the top of the connecting seat 4, and a stirring rod 8 for stirring the solution is arranged on the outer wall of the rotating shaft 7.
Specifically, spray pipes 12 are installed at the top of the inner cavity of the tower body 1, and spray heads are uniformly arranged at the bottoms of the spray pipes 12.
In this embodiment, the shower pipe 12 sprays a solution for dissolving NMP downward.
Specifically, an impeller 9 is mounted on the top of the rotating shaft 7, and the impeller 9 is driven by the solution flowing downwards at the spraying position of the spraying pipe 12 to drive the rotating shaft 7 to rotate.
The inner cavity of the tower body 1 is positioned above the impeller 9 and is provided with a spiral section 10.
In this embodiment, the inner wall of the middle part of the tower body 1 is fixedly connected with helical blades to form a helical section 10, NMP waste gas can rise along the helical section 10 in a helical manner, and the formation of NMP waste gas is prolonged, so that waste gas is contacted with solution falling by spraying to be dissolved, and the solution can flow downwards along the helical section 10 and impact the impeller 9, so that the impeller drives the stirring rod 8 to rotate, and the solution accumulated at the bottom of the inner cavity of the tower body 1 is stirred.
Specifically, a filling frame 11 filled with filling materials is arranged below the spraying pipe 12 in the inner cavity of the tower body 1.
In this embodiment, the packing in the packing frame 11 adsorbs NMP that is not dissolved in the rising off-gas.
Specifically, a wire mesh demister 15 is installed above the spray pipe 12 in the inner cavity of the tower body 1.
In this embodiment, the screen mist eliminator 15 is provided so as to reduce the water vapor contained in the exhaust gas.
Specifically, a drain pipe 13 is arranged on one side of the tower body 1, a water pump 14 is installed on the outer wall of the tower body 1, a water inlet of the water pump 14 is communicated with the drain pipe 13 through a water pipe, and a water outlet of the water pump is communicated with a spray pipe 12 through a water pipe.
In this embodiment, the water pump 14 can pump out the solution of NMP which is not fully dissolved at the bottom of the inner cavity of the tower body 1 through the liquid discharge pipe 13 and transmit the solution to the spray pipe 12, so that the spray pipe 12 is sprayed out through the spray header at the bottom of the spray pipe.
To sum up, according to the NMP recovery tower device, the connecting seat 4 is provided, the air outlet pipe 5 is uniformly provided on the outer wall of the connecting seat 4, so that the waste gas can be fully diffused when entering the tower body 1, the contact area with the solution stored in the tower body 1 can be enlarged, and the solution stored in the tower body 1 can be stirred by the rotating shaft 7 and the stirring rod 8, so that the mixing of the solution and the waste gas can be promoted.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. NMP recovery tower device, including tower body (1), its characterized in that: the utility model discloses a liquid stirring device, including tower body (1), connecting seat, jet head (6), rotatable pivot (7) that is connected with in top of connecting seat (4), hollow cylinder's connecting seat (4) are installed to the bottom of tower body (1), and the inner chamber of tower body (1) is installed and is submerged in solution, the outer wall of connecting seat (4) is even be equipped with outlet duct (5), the top of outlet duct (5) is even be equipped with jet head (6), the outer wall of pivot (7) is equipped with puddler (8) of stirring solution.
2. An NMP recovery tower apparatus according to claim 1, characterized in that: the spray pipe (12) is installed at the top of the inner cavity of the tower body (1), and spray heads are uniformly arranged at the bottom of the spray pipe (12).
3. An NMP recovery tower apparatus according to claim 1, characterized in that: an impeller (9) is arranged at the top of the rotating shaft (7), and the impeller (9) is driven by a solution flowing downwards at a spraying position through a spraying pipe (12) to drive the rotating shaft (7) to rotate.
4. A NMP recovery tower unit according to claim 3, characterized in that: the inner cavity of the tower body (1) is positioned above the impeller (9) and is provided with a spiral section (10).
5. An NMP recovery tower apparatus according to claim 2, characterized in that: the inner cavity of the tower body (1) is positioned below the spray pipe (12) and is provided with a filling frame (11) filled with filling materials.
6. An NMP recovery tower apparatus according to claim 2, characterized in that: a wire mesh demister (15) is arranged above the spray pipe (12) in the inner cavity of the tower body (1).
7. An NMP recovery tower apparatus according to claim 2, characterized in that: one side of the tower body (1) is provided with a liquid discharge pipe (13), the outer wall of the tower body (1) is provided with a water pump (14), a water inlet of the water pump (14) is communicated with the liquid discharge pipe (13) through a water pipe, and a water outlet of the water pump is communicated with a spray pipe (12) through the water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321427934.4U CN220003486U (en) | 2023-06-06 | 2023-06-06 | NMP recovery tower device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321427934.4U CN220003486U (en) | 2023-06-06 | 2023-06-06 | NMP recovery tower device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220003486U true CN220003486U (en) | 2023-11-14 |
Family
ID=88684016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321427934.4U Active CN220003486U (en) | 2023-06-06 | 2023-06-06 | NMP recovery tower device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220003486U (en) |
-
2023
- 2023-06-06 CN CN202321427934.4U patent/CN220003486U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |