CN218421499U

CN218421499U - Efficient and reliable NMP recovery device

Info

Publication number: CN218421499U
Application number: CN202222735644.8U
Authority: CN
Inventors: 胡昆; 刘飞旋
Original assignee: Xiaoye Dongguan Machinery Technology Co ltd
Current assignee: Xiaoye Dongguan Machinery Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-03
Anticipated expiration: 2032-10-17

Abstract

The utility model belongs to the technical field of industrial waste gas recovery, and a high-efficient reliable NMP recovery unit is disclosed, including the separation shell, be equipped with the evaporating pot in the separation shell, the outside of evaporating pot is equipped with the heater, top one side of evaporating pot is equipped with the feeder hopper, the feeder hopper runs through the top of separation shell, the bottom of evaporating pot is equipped with the sludge discharge pipe, the sludge discharge pipe runs through the bottom of separation shell; the fan is installed to top one side of isolation shell, the side of isolation shell is equipped with the collection box, the utility model discloses a set up stirring subassembly and scrape material subassembly etc. when waste water evaporates in the evaporating pot and draws NMP gas, can make waste water stir in the evaporating pot through stirring subassembly, make it be heated more evenly for reaction rate makes when drawing NMP in waste water, and the reaction is more abundant, in addition, can clear up the mixture of adhering to the device inner wall and prevent that silt in the waste water from plugging up the mud drainage mouth through scraping the material subassembly.

Description

Efficient and reliable NMP recovery device

Technical Field

The utility model belongs to the technical field of industrial waste gas retrieves, concretely relates to high-efficient reliable NMP recovery unit.

Background

NMP (N-methyl pyrrolidone) is an important auxiliary material for producing lithium ion battery electrodes, and is expensive, when waste water with NMP is treated, an NMP recovery device is generally used for recycling, the existing NMP recovery device generally adopts a distillation method to convert NMP in the waste water into gas for recycling, the method is reliable, but the speed of converting NMP in the waste water is slow, a stirring structure is not arranged, when NMP is extracted, the reaction is insufficient, a cleaning structure is not arranged, a mixture in the waste water is easy to adhere to the inner wall of the device and silt in the waste water is easy to block a mud discharge port after precipitation, so that the discharge of silt in the waste water is influenced, and in addition, when the waste water is extracted by the existing NMP recovery device, the waste water after extraction is not recycled, the waste water recovery is not facilitated, and certain pollution is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient reliable NMP recovery unit to solve the problem that current NMP recovery unit who provides among the above-mentioned background art does not set up stirring structure and clearance structure and does not carry out recycle to waste water.

In order to achieve the above object, the utility model provides a following technical scheme: an efficient and reliable NMP recovery apparatus comprising:

the device comprises an isolation shell, wherein an evaporation tank is arranged in the isolation shell, a heater is arranged outside the evaporation tank, a feed hopper is arranged on one side of the top end of the evaporation tank, the feed hopper penetrates through the top end of the isolation shell, a sludge discharge pipe is arranged at the bottom end of the evaporation tank, and the sludge discharge pipe penetrates through the bottom end of the isolation shell; a fan is installed on one side of the top end of the isolation shell, a recovery box is arranged beside the isolation shell, an air inlet end of the fan is connected with an air suction pipe, one end, far away from the fan, of the air suction pipe penetrates through the top end of the isolation shell and is connected with one side of the top end of the evaporation tank, an air outlet end of the fan is connected with an air outlet pipe, and one end, far away from the fan, of the air outlet pipe is connected with the top end of the recovery box;

the stirring assembly is arranged in the evaporation tank and is used for stirring the NMP mixture in the evaporation tank;

the scraping component is arranged on the inner wall of the evaporation tank and is used for scraping off the mucus attached to the inner wall of the evaporation tank;

preferably, the stirring subassembly includes driving motor, pivot and stirring leaf, driving motor installs the top intermediate position at the isolation shell, the evaporating pot is located to the pivot, the top of pivot links to each other with driving motor's output, the outside at the pivot is installed to the stirring leaf.

Preferably, scrape the material subassembly and include the installing frame, scrape brush and prevent the stopper drill bit, the installing frame is located the evaporating pot, installing frame and pivot fixed connection, scrape the both sides that the brush was installed at the installing frame, prevent that the stopper drill bit is installed in the bottom of installing frame, prevent that the stopper drill bit is located the top of mud pipe.

Preferably, the side of the isolation shell is provided with a water storage tank, a water inlet is formed in the top end of the water storage tank, and connecting blocks are arranged on two sides of the water inlet.

Preferably, the water pump is installed to the outer wall of separation shell, the end of intaking of water pump is connected with the inlet tube, the one end that the water pump was kept away from to the inlet tube runs through separation shell and evaporating pot and extends to the inside bottom of evaporating pot one side, the one end that the water pump was kept away from to the inlet tube is installed and is filtered the filter core, the play water end of water pump is connected with the outlet pipe, the one end that the water pump was kept away from to the outlet pipe extends to the top of water inlet, be equipped with filtering component between outlet pipe and the water inlet.

Preferably, filtering component includes sealed lid, threaded rod and waste water filter screen, sealed lid is located on the water inlet, the waste water filter screen is located in the sealed lid, the top of sealed lid links to each other with the outlet pipe, the spread groove has been seted up to the bottom both sides of sealed lid, spread groove and connecting block looks gomphosis, the connecting block inlays and has seted up the thread groove to the one end of spread groove, the threaded rod runs through the outer wall of sealed lid and closes soon and connect in the thread groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a set up the stirring subassembly and scrape material subassembly etc. when waste water evaporates in the evaporating pot and draws NMP gas, can make waste water stir in the evaporating pot through the stirring subassembly, make it be heated more evenly for reaction rate makes when drawing NMP in waste water, and the reaction is more abundant, in addition, can clear up through scraping the material subassembly and attach to the mixture of the device inner wall and prevent that silt in the waste water from plugging up the mud drainage mouth.

(2) The utility model discloses a set up the storage water tank, a water pump, the inlet tube, filter the filter core, outlet pipe and filtering component etc, after extracting the NMP in the waste water, take out waste water to the storage water tank in from the evaporating pot through the water pump, at the in-process of extraction waste water, waste water filters through the first way of filtering the filter core earlier, filtering once more through filtering component afterwards, deposit in reacing the storage water tank afterwards, effectual recycle waste water, the waste and pollution have been avoided, furthermore, filtering component conveniently dismantles at the storage water tank, conveniently shift waste water after filtering and wash and subsequent change to filtering component.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

in the figure: 1. an insulating shell; 2. an evaporator tank; 3. a heater; 4. a fan; 5. an air suction pipe; 6. an air outlet pipe; 7. a recycling bin; 8. a drive motor; 9. a rotating shaft; 10. stirring blades; 11. installing a frame; 12. scraping and brushing; 13. an anti-clogging drill bit; 14. a feed hopper; 15. a sludge discharge pipe; 16. a water pump; 17. a water inlet pipe; 18. a filter element is filtered; 19. a water outlet pipe; 20. a sealing cover; 21. a water storage tank; 22. a water inlet; 23. a waste water filter screen; 24. connecting grooves; 25. connecting blocks; 26. a thread groove; 27. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, the present invention provides the following technical solutions: an efficient and reliable NMP recovery apparatus comprising:

the device comprises an isolation shell 1, wherein an evaporation tank 2 is arranged in the isolation shell 1, a heater 3 is arranged outside the evaporation tank 2, a feed hopper 14 is arranged on one side of the top end of the evaporation tank 2, the feed hopper 14 penetrates through the top end of the isolation shell 1, a sludge discharge pipe 15 is arranged at the bottom end of the evaporation tank 2, and the sludge discharge pipe 15 penetrates through the bottom end of the isolation shell 1; a fan 4 is installed on one side of the top end of the isolation shell 1, a recovery box 7 is arranged beside the isolation shell 1, an air inlet end of the fan 4 is connected with an air suction pipe 5, one end, far away from the fan 4, of the air suction pipe 5 penetrates through the top end of the isolation shell 1 and is connected with one side of the top end of the evaporation tank 2, an air outlet end of the fan 4 is connected with an air outlet pipe 6, and one end, far away from the fan 4, of the air outlet pipe 6 is connected with the top end of the recovery box 7;

the stirring component is arranged in the evaporation tank 2 and is used for stirring the NMP mixture in the evaporation tank 2;

the scraping component is arranged on the evaporation tank 2 and is used for scraping off the mucus attached to the inner wall of the evaporation tank 2;

referring to fig. 1-2, the stirring assembly includes a driving motor 8, a rotating shaft 9 and a stirring blade 10, the driving motor 8 is installed at the middle position of the top end of the insulation case 1, the rotating shaft 9 is installed in the evaporation tank 2, the top end of the rotating shaft 9 is connected with the output end of the driving motor 8, and the stirring blade 10 is installed outside the rotating shaft 9.

The scraping component comprises a mounting frame 11, a scraping brush 12 and an anti-blocking drill bit 13, wherein the mounting frame 11 is arranged in the evaporating pot 2, the mounting frame 11 is fixedly connected with the rotating shaft 9, the scraping brush 12 is arranged on two sides of the mounting frame 11, the anti-blocking drill bit 13 is arranged at the bottom end of the mounting frame 11, and the anti-blocking drill bit 13 is arranged above the mud discharging pipe 15.

Through the technical scheme: when drawing NMP among the waste water, earlier pour waste water into in the evaporating pot 2 from feeder hopper 14 department, heat the waste water in the evaporating pot 2 through heater 3 afterwards, it stirs waste water in the evaporating pot 2 to drive stirring leaf 10 in the pivot 9 through driving motor 8 in the heating process, it is more even to make it be heated, more abundant of reaction, later on through fan 4 with the NMP of waste water production in the evaporating pot 2 through aspiration channel 5 suction, deposit in arriving collection box 7 through tuber pipe 6 afterwards, furthermore, when stirring waste water, through driving motor 8's work, it is rotatory at the pivot 9 that moves, it rotates in evaporating pot 2 to carry out rotatory in-process at pivot 9 and drive scraping brush 12 and the anti-clogging drill bit 13 of the both sides of installing frame 11, scrape down the mixture that adheres to on the inner wall of evaporating pot 2 through scraping brush 12, and prevent through anti-clogging drill bit 13 that silt in the waste water from plugging up mud pipe 15.

Referring to fig. 1-3, a water storage tank 21 is disposed beside the isolation shell 1, a top water inlet 22 of the water storage tank 21 is disposed on two sides of the water inlet 22, a connection block 25 is disposed on two sides of the water inlet 22, a water pump 16 is mounted on an outer wall of the isolation shell 1, a water inlet pipe 17 is connected to a water inlet end of the water pump 16, one end of the water inlet pipe 17, which is far away from the water pump 16, penetrates through the isolation shell 1 and the evaporation tank 2 and extends to the bottom inside one side of the evaporation tank 2, a filter element 18 is mounted on one end of the water inlet pipe 17, which is far away from the water pump 16, a water outlet pipe 19 is connected to a water outlet end of the water pump 16, one end of the water outlet pipe 19, which is far away from the water pump 16, extends to the top of the water inlet 22, and a filter assembly is disposed between the water outlet pipe 19 and the water inlet 22.

The filtering component comprises a sealing cover 20, a threaded rod 27 and a waste water filtering net 23, the sealing cover 20 is arranged on the water inlet 22, the waste water filtering net 23 is arranged in the sealing cover 20, the top end of the sealing cover 20 is connected with the water outlet pipe 19, the two sides of the bottom end of the sealing cover 20 are provided with connecting grooves 24, the connecting grooves 24 are mutually embedded with connecting blocks 25, the connecting blocks 25 are embedded into one ends of the connecting grooves 24, threaded grooves 26 are formed in the connecting blocks 25, and the threaded rod 27 penetrates through the outer wall of the sealing cover 20 and is connected in the threaded grooves 26 in a screwing mode.

Through the technical scheme: after extracting the NMP in the waste water, start water pump 16, waste water in the evaporating pot 2 passes through inlet tube 17 suction, it deposits in the storage water tank 21 to discharge from outlet pipe 19 afterwards, when waste water gets into inlet tube 17, waste water is earlier through the prefiltration of filtering filter 18, reach the filtration through waste water filter screen 23 in the storage water tank 21 afterwards, it deposits in the storage water tank 21 afterwards, effectual recycle waste water, waste and pollution have been avoided, furthermore, when needing to open sealed lid 20 and wash or change the waste water filter screen 23 in sealed lid 20, screw rod 27 is twisted out from thread groove 26 earlier, shift out the spread groove 24 with connecting block 25 afterwards, can lift sealed lid 20 off from storage water tank 21, the convenience is shifted and is washd and subsequent change waste water filter screen 23 in the storage water tank 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. An efficient and reliable NMP recovery apparatus, comprising:

the device comprises an isolation shell (1), wherein an evaporation tank (2) is arranged in the isolation shell (1), a heater (3) is arranged outside the evaporation tank (2), a feed hopper (14) is arranged on one side of the top end of the evaporation tank (2), the feed hopper (14) penetrates through the top end of the isolation shell (1), a sludge discharge pipe (15) is arranged at the bottom end of the evaporation tank (2), and the sludge discharge pipe (15) penetrates through the bottom end of the isolation shell (1); a fan (4) is installed on one side of the top end of the isolation shell (1), a recovery box (7) is arranged beside the isolation shell (1), an air inlet end of the fan (4) is connected with an air suction pipe (5), one end, far away from the fan (4), of the air suction pipe (5) penetrates through the top end of the isolation shell (1) and is connected with one side of the top end of the evaporation tank (2), an air outlet end of the fan (4) is connected with an air outlet pipe (6), and one end, far away from the fan (4), of the air outlet pipe (6) is connected with the top end of the recovery box (7);

the stirring assembly is arranged in the evaporation tank (2) and is used for stirring the NMP mixture placed in the evaporation tank (2);

locate scraping assembly of evaporating pot (2), scrape the material subassembly and be used for scraping the mucus that will adhere to on evaporating pot (2) inner wall and fall.

2. A highly efficient and reliable NMP recovery apparatus according to claim 1, wherein: the stirring subassembly includes driving motor (8), pivot (9) and stirring leaf (10), the top intermediate position at isolation shell (1) is installed in driving motor (8), in evaporating pot (2) is located in pivot (9), the top of pivot (9) links to each other with the output of driving motor (8), the outside at pivot (9) is installed in stirring leaf (10).

3. An efficient and reliable NMP recovery apparatus according to claim 2, characterized in that: scrape the material subassembly and include installing frame (11), scrape brush (12) and prevent stopping up drill bit (13), the evaporating pot (2) is located in installing frame (11), installing frame (11) and pivot (9) fixed connection, scrape the both sides at installing frame (11) of brush (12), prevent stopping up drill bit (13) and install the bottom in installing frame (11), prevent stopping up drill bit (13) and be located the top of mud pipe (15).

4. A highly efficient and reliable NMP recovery apparatus according to claim 3, wherein: the side of isolation shell (1) is equipped with storage water tank (21), top water inlet (22) of storage water tank (21), the both sides of water inlet (22) are equipped with connecting block (25).

5. A highly efficient and reliable NMP recovery apparatus according to claim 4, wherein: water pump (16) are installed to the outer wall of isolation shell (1), the end of intaking of water pump (16) is connected with inlet tube (17), the one end that water pump (16) were kept away from in inlet tube (17) runs through isolation shell (1) and evaporating pot (2) and extends to the inside bottom of evaporating pot (2) one side, the one end of keeping away from water pump (16) in inlet tube (17) is installed and is filtered filter core (18), the play water end of water pump (16) is connected with outlet pipe (19), the one end that water pump (16) were kept away from in outlet pipe (19) extends to the top of water inlet (22), be equipped with filtering component between outlet pipe (19) and water inlet (22).

6. An efficient and reliable NMP recovery apparatus according to claim 5, further comprising: the filter assembly includes sealed lid (20), threaded rod (27) and waste water filter screen (23), on water inlet (22) was located in sealed lid (20) is located in waste water filter screen (23), the top of sealed lid (20) links to each other with outlet pipe (19), spread groove (24) have been seted up to the bottom both sides of sealed lid (20), spread groove (24) and connecting block (25) looks gomphosis, connecting block (25) inlay to the one end of spread groove (24) and seted up thread groove (26), threaded rod (27) run through the outer wall of sealed lid (20) and close soon and connect in thread groove (26).