CN219911731U - NMP retrieves dehydration tower device - Google Patents
NMP retrieves dehydration tower device Download PDFInfo
- Publication number
- CN219911731U CN219911731U CN202321016454.9U CN202321016454U CN219911731U CN 219911731 U CN219911731 U CN 219911731U CN 202321016454 U CN202321016454 U CN 202321016454U CN 219911731 U CN219911731 U CN 219911731U
- Authority
- CN
- China
- Prior art keywords
- sealing
- dehydration tower
- tower body
- joint
- interface
- 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
- 230000018044 dehydration Effects 0.000 title claims abstract description 44
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 61
- 230000011218 segmentation Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model discloses an NMP recycling dehydration tower device, and relates to the technical field of dehydration towers. The device comprises a dehydration tower body, wherein the upper end of the dehydration tower body is provided with a feed inlet, the lower end of the dehydration tower body is provided with a discharge outlet, the dehydration tower body is formed by combining a seal and a section, and the joint of the seal and the section is provided with a joint and an interface; through setting up to expand outward and closing plate and form the second seal structure in the outside of joint and interface, both can keep equipment overall tightness to a certain extent when joint and interface junction appear leaking the problem, prevent the further leakage of material, the leakage thing is acceptd in the closing plate, can carry out the recovery to a certain extent, also can form the leakage warning through the pressure variation between a second seal structure, expand outward and closing plate's connection structure is simple, conveniently pull down when the maintenance, the operation to the welding seam is convenient, reach the purpose of facilitating the maintenance.
Description
Technical Field
The utility model relates to the technical field of dehydration towers, in particular to an NMP recycling dehydration tower device.
Background
In lithium batteries, NMP is mainly used for dissolving PVDF to make structural materials such as electrodes, diaphragms and the like; in the process of preparing lithium ion batteries, NMP is often used as a positive electrode material, a binder and an excellent organic solvent of mixed solution with other substances. The water content and the particle content in NMP affect the performances of the electrode material and electrolyte of the lithium battery, and metal ions are easy to cause breakdown effect of the lithium battery in the use process. Therefore, the use of high-quality NMP has an important influence on the charge and discharge times and the service life of the lithium battery.
The utility model provides a dewatering device about NMP recovering solution that publication number is CN218421083U discloses a dewatering device about NMP recovering solution, including tower body and tower lid, all be fixed with rings on tower body and the tower lid, tower body and tower lid pass through stop gear fixed connection, pass through stop gear fixed connection between the tower body, install the siren on the stop gear, tower body ring flange one side is fixed with the ejector pin, the ejector pin is fixed with tower body and tower lid joint, be connected the lifting ring of loop machine and tower body upper end, then hoist the tower body, peg graft fixedly with the ejector pin of first layer tower body upper end and the through-hole on the upper tower body, then fix through stop gear, splice the tower body, then fix the tower lid on the top of tower body.
The patent carries out leakage alarming by arranging the micro switch at the joint of the reflux tower sections, but the leakage process already occurs during the leakage alarming, and the blocking structure for leakage objects is lacking, so that the leakage objects still cause pollution to the external environment.
Disclosure of Invention
The utility model provides an NMP recycling dehydration 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 retrieves dehydration tower device, includes the dehydration tower body, the upper end of dehydration tower body is provided with the feed inlet, the lower extreme of dehydration tower body is provided with the discharge gate, the dehydration tower body is formed by sealing and segmentation combination, sealing and segmentation junction is provided with and divides to be equipped with joint and interface, the outside fixedly connected with of joint and segmentation expands outward, the surface that expands outward is provided with the seal groove, the outside laminating that expands outward has the closing plate, tooth-shaped groove has been seted up on the surface of closing plate, the inside fixed mounting of closing plate has pressure sensor, the inboard fixedly connected with sealing strip of tooth-shaped groove.
Further, seal and be the hemisphere setting at the upper and lower both ends of dehydration tower body, the segmentation series connection sets up between two seals, feed inlet and discharge gate set up respectively on two seals.
Further, the joint and the interface are arranged on the adjacent sides of the seal and the section, the connecting surface of the joint and the interface is inclined and inclined, and the joint and the interface are connected in a welding mode.
Further, the outer expansion is arranged at the outer sides of the connector and the interface, the outer expansion on the connector and the interface is symmetrically arranged, and the adjacent sealing plates at the outer sides of the outer expansion are oppositely arranged.
Further, a mechanical seal is arranged between the adjacent sealing plates, the sealing strips are spliced with the sealing grooves to form the mechanical seal, tooth-shaped grooves on the adjacent sealing plates are mutually attached, and the adjacent sealing plates are connected through bolts.
Further, only one of the two adjacent sealing plates is provided with a pressure sensor, and a probe of the pressure sensor is arranged between the sealing plate and the expansion.
Compared with the prior art, the utility model provides the NMP recycling dehydration tower device, which has the following beneficial effects:
this dehydration tower device is retrieved to NMP forms the second seal structure in the outside of joint and interface through setting up to expand outward and closing plate, both can keep equipment overall tightness to a certain extent when joint and interface junction appear leaking the problem, prevent the further leakage of material, the leakage thing is acceptd in the closing plate, can carry out the recovery to a certain extent, also can form the leakage warning through the pressure variation between a second seal structure, expand outward and closing plate's connection structure is simple, the convenience is dismantled when the maintenance, the convenience is to the operation of welding seam, reach the purpose of being convenient for overhaul.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a seal plate according to the present utility model;
fig. 3 is a schematic view of the structure of the pressure sensor of the present utility model.
In the figure: 1. a dehydration tower body; 2. a feed inlet; 3. a discharge port; 4. sealing; 5. segmentation; 6. a joint; 7. an interface; 8. expanding; 9. sealing grooves; 10. a sealing plate; 11. a tooth-shaped groove; 12. a pressure sensor; 13. and (5) a sealing strip.
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 recycling dehydration tower device, which comprises a dehydration tower body 1, wherein a feed inlet 2 is arranged at the upper end of the dehydration tower body 1, a discharge outlet 3 is arranged at the lower end of the dehydration tower body 1, the dehydration tower body 1 is formed by combining a seal 4 and a section 5, a joint 6 and an interface 7 are arranged at the joint of the seal 4 and the section 5, an outer expansion 8 is fixedly connected with the outer side of the joint 6 and the section 5, a sealing groove 9 is arranged on the surface of the outer expansion 8, a sealing plate 10 is attached to the outer side of the outer expansion 8, a tooth-shaped groove 11 is formed in the surface of the sealing plate 10, a pressure sensor 12 is fixedly arranged in the sealing plate 10, and a sealing strip 13 is fixedly connected with the inner side of the tooth-shaped groove 11.
Specifically, seal 4 is the hemisphere setting and is in the upper and lower both ends of dehydration tower body 1, segmentation 5 series connection sets up between two seals 4, feed inlet 2 and discharge gate 3 set up respectively on two seals 4.
In this embodiment, the dehydration tower body 1 itself is formed by connecting a plurality of seals 4 and segments 5 in series, and the reflux pipe and reflux distributor in the dehydration tower are respectively arranged in each segment 5, so that the production and processing are convenient, and the similar dehydration towers themselves belong to the prior art and are not described in detail here.
Specifically, the joint 6 and the interface 7 are arranged on the adjacent sides of the seal 4 and the segment 5, the connection surface of the joint 6 and the interface 7 is inclined and inclined, and the joint 6 and the interface 7 are connected in a welding mode.
In this embodiment, connect 6 and interface 7's joint surface setting to the inclined plane, when sealing 4 and segmentation 5 dock, play the effect of direction location, improve the accuracy nature of dehydration tower assembly process, connect joint 6 and interface 7 through the welding mode, play sealed effect.
Specifically, the outer extensions 8 are arranged at the outer sides of the connector 6 and the connector 7, the outer extensions 8 on the connector 6 and the connector 7 are symmetrically arranged, and sealing plates 10 at the outer sides of adjacent outer extensions 8 are oppositely arranged; a mechanical seal is arranged between the adjacent sealing plates 10, the sealing strips 13 are spliced with the sealing grooves 9 to form the mechanical seal, tooth-shaped grooves 11 on the adjacent sealing plates 10 are mutually attached, and the adjacent sealing plates 10 are connected through bolts.
In this embodiment, after the joint 6 is docked with the interface 7, the outer expansion 8 of the joint 6 and the interface 7 and the sealing plate 10 of the outer side are correspondingly docked, a sealing structure is formed outside the connection part of the dehydration tower, the effect of inhibiting leakage is achieved when the leakage problem occurs at the connection part of the dehydration tower, and meanwhile, the sealing of the sealing structure of the outer side is carried out in a mechanical sealing mode, so that the disassembly and assembly are convenient, and the maintenance of the sealing formed by the joint 6 and the interface 7 on the inner side is convenient.
Specifically, of the two adjacent sealing plates 10, only one sealing plate 10 is provided with a pressure sensor 12, and a probe of the pressure sensor 12 is arranged between the sealing plate 10 and the expansion 8.
In this embodiment, it is mentioned that after the joint 6 and the interface 7 are connected, the corresponding sealing plate 10 outside the joint 6 and the interface 7 forms a second sealing structure, so that a cavity is formed between the first sealing formed by the joint 6 and the interface 7 and the second sealing formed by the flared 8 and the sealing plate 10, the pressure sensor 12 is arranged to monitor the pressure in the cavity, and when the first sealing leaks, the pressure in the cavity is changed, so as to form leakage early warning, and the pressure sensor 12 as monitoring equipment can achieve the purpose of monitoring only one side of each cavity.
When the sealing device is used, the sealing device is sequentially butted with the segments 5, the joint 6 is clamped and fixed with the interfaces 7 in the butt joint process and is fixed through a welding mode, the sealing plates 10 are clamped and connected at the outer sides of the adjacent external expansion joints 8, the sealing strips 13 are spliced with the sealing grooves 9, tooth-shaped grooves 11 on the adjacent sealing plates 10 are mutually adhered and are bolted and fixed, materials are input through the feed inlet 2 when the dehydrating tower body 1 operates and output through the discharge outlet 3, when a welding seam between the joint 6 and the interfaces 7 leaks, the sealing plates 10 are expanded externally to form a second sealing structure to continuously play a sealing role, leakage is restrained, meanwhile, the pressure inside the sealing plates 10 changes, the reading of the pressure sensors 12 changes, workers know leakage information of the dehydrating tower through abnormal reading of the pressure sensors 12, the dehydrating tower is stopped, the sealing plates 10 at the corresponding positions are disassembled, and the joints between the joint 6 and the interfaces 7 are overhauled.
To sum up, this dehydration tower device is retrieved to NMP forms the second seal structure through setting up to expand 8 and closing plate 10 in the outside of joint 6 and interface 7, both can keep equipment overall tightness to a certain extent when joint 6 and interface 7 junction appear leaking the problem, prevent the further leakage of material, the leakage thing is acceptd in closing plate 10, can carry out the recovery to a certain extent, also can form the leakage alarm through the pressure variation between a pair of seal structures, expand 8 and closing plate 10's connection structure is simple, the convenience is dismantled when the maintenance, the convenience reaches the purpose of being convenient for overhaul to the operation of welding seam.
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 (6)
1. The utility model provides a dehydration tower device is retrieved to NMP, includes dehydration tower body (1), its characterized in that: the upper end of dehydration tower body (1) is provided with feed inlet (2), the lower extreme of dehydration tower body (1) is provided with discharge gate (3), dehydration tower body (1) is formed by sealing (4) and segmentation (5) combination, the junction of sealing (4) and segmentation (5) is provided with and divides and to have joint (6) and interface (7), the outside fixedly connected with of joint (6) and segmentation (5) expands (8) outward, the surface that expands (8) outward is provided with seal groove (9), the outside laminating of expanding (8) outward has closing plate (10), tooth groove (11) have been seted up on the surface of closing plate (10), the inside fixed mounting of closing plate (10) has pressure sensor (12), the inboard fixedly connected with sealing strip (13) of tooth groove (11).
2. The NMP recovery dehydration column unit of claim 1 wherein: seal (4) are hemisphere setting in the upper and lower both ends of dehydration tower body (1), segmentation (5) establish ties and set up between two seals (4), feed inlet (2) and discharge gate (3) set up respectively on two seals (4).
3. The NMP recovery dehydration column unit of claim 1 wherein: the connector (6) and the interface (7) are arranged on adjacent sides of the seal (4) and the section (5), the connecting surface of the connector (6) and the interface (7) is inclined and inclined, and the connector (6) and the interface (7) are connected in a welding mode.
4. The NMP recovery dehydration column unit of claim 1 wherein: the outer expansion (8) is arranged on the outer sides of the connector (6) and the connector (7), the outer expansion (8) on the connector (6) and the connector (7) are symmetrically arranged, and sealing plates (10) on the outer sides of adjacent outer expansion (8) are oppositely arranged.
5. The NMP recovery dehydration column unit of claim 1 wherein: be provided with mechanical seal between adjacent closing plate (10), sealing strip (13) are pegged graft with seal groove (9) and are formed mechanical seal, and adjacent tooth form groove (11) on closing plate (10) are laminated each other, and adjacent closing plate (10) pass through the bolt and link to each other.
6. The NMP recovery dehydration column unit of claim 1 wherein: of the two adjacent sealing plates (10), only one sealing plate (10) is provided with a pressure sensor (12), and a probe of the pressure sensor (12) is arranged between the sealing plate (10) and the expansion (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016454.9U CN219911731U (en) | 2023-04-27 | 2023-04-27 | NMP retrieves dehydration tower device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016454.9U CN219911731U (en) | 2023-04-27 | 2023-04-27 | NMP retrieves dehydration tower device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911731U true CN219911731U (en) | 2023-10-27 |
Family
ID=88467287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321016454.9U Active CN219911731U (en) | 2023-04-27 | 2023-04-27 | NMP retrieves dehydration tower device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911731U (en) |
-
2023
- 2023-04-27 CN CN202321016454.9U patent/CN219911731U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219911731U (en) | NMP retrieves dehydration tower device | |
| CN102323002A (en) | Combined vacuum and surcharge preloading diaphragm seal internal pressure automatic alarm system | |
| CN113882322B (en) | Intelligent water stopping method for repairing underwater concrete damaged dry chamber | |
| CN205613110U (en) | Filter frame of superhigh pressure elasticity squeezer | |
| WO2023202688A1 (en) | Concrete detection, repair, and monitoring integrated protection system and implementation method | |
| CN105606308A (en) | Split-type pressure testing system for floating heat exchanger | |
| CN212871750U (en) | Novel trans-critical CO2Heat pump component testing device | |
| CN216695385U (en) | Pressure sensor for gas water heater | |
| CN207195927U (en) | Self-sealing rotary compensator | |
| CN215931185U (en) | Sealing structure in airtight detection tool | |
| CN203628052U (en) | Large-diameter pipeline wall penetrating sealing flexible connection structure | |
| CN113790765A (en) | Online monitoring system for petroleum and natural gas engineering | |
| CN107478399A (en) | A kind of method that pressure testing is carried out to row's side of a ship outer tube | |
| CN210293549U (en) | Tuyere pressure test blind plate structure of Ou metallurgical furnace | |
| CN210180244U (en) | Plate heat exchanger with observation sight glass | |
| CN220242124U (en) | Distributed vacuumizing system for wind power blade mould | |
| CN103398824A (en) | Detection device for exhaust manifold pipe air tightness | |
| CN210489738U (en) | Vanadium redox flow battery pile | |
| CN209278727U (en) | A kind of novel pipeline sniffing robot | |
| CN207596323U (en) | A kind of electric hydraulic pressure orange-peel bucket central cylinder | |
| CN201788125U (en) | Tool device for testing pressure of sieve tray of titanium carbonizing tower | |
| CN206920083U (en) | A kind of extra-high-tension cable protective metal shell air tight test device | |
| CN202188941U (en) | Pressure automatic alarm system in vacuum combined pre-loading seal membrane | |
| CN220670865U (en) | Engine pipeline gas tightness test fixture | |
| CN210603764U (en) | Novel vacuum leak detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |