CN217773288U

CN217773288U - A cooling recovery unit for NMP is gaseous

Info

Publication number: CN217773288U
Application number: CN202221852908.1U
Authority: CN
Inventors: 娄蕴志; 李小龙; 娄灵光
Original assignee: Shenzhen Bairui Air Treatment Equipment Co ltd
Current assignee: Shenzhen Bairui Air Treatment Equipment Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-11
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a cooling recovery unit for NMP is gaseous relates to gas treatment equipment technical field. The NMP waste gas spraying machine comprises a machine case, wherein a fresh air feeding chamber, an NMP waste gas feeding chamber, a fresh air feeding chamber, a cooling chamber, a spraying chamber and an NMP waste gas discharging chamber are respectively arranged in the machine case, heat exchangers are arranged at junctions of the fresh air feeding chamber, the NMP waste gas feeding chamber, the fresh air feeding chamber and the cooling chamber, and a first condenser is arranged in the cooling chamber. This a cooling recovery unit for NMP is gaseous, the abundant heat exchange of hot waste gas through heat exchanger in the coating machine, can preheat the new trend temperature and send back to the coating machine in to the certain extent, waste gas after the heat exchange is sent to first condenser condensation and is retrieved, again through spraying cooling and second condenser realize the second time and retrieve, waste gas after the secondary is retrieved is filtered through the clarifier again and is realized discharging to outdoor after the third time is retrieved, the device can make the coating machine practice thrift a large amount of energy consumptions, very big improvement the rate of recovery and the reliability of equipment.

Description

A cooling recovery unit for NMP is gaseous

Technical Field

The utility model relates to a gas treatment equipment technical field specifically is a cooling recovery unit for NMP is gaseous.

Background

NMP is an important chemical raw material for short, is widely applied to the fields of petroleum processing, fine chemical engineering, pharmacy, pesticides, electronic products and the like, plays a very important role in the chemical industry, and is one of essential raw materials for manufacturing lithium batteries.

The positive pole has a process that the NMP solvent is used for coating in the production process of the lithium battery, a positive pole coating machine can generate a large amount of high-concentration NMP waste gas in the coating process, if the high-concentration NMP waste gas is directly discharged into the atmosphere, serious environmental pollution and NMP material waste can be caused, and therefore the high-concentration NMP waste gas needs to be condensed and recycled.

The existing NMP waste gas recovery equipment generally discharges NMP in waste gas after direct condensation and recovery, and the heat in the NMP waste gas can be directly exchanged and consumed by a condenser, so that not only can heat waste be caused, but also energy consumption and production cost can be increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cooling recovery unit for NMP is gaseous to solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooling recovery unit for NMP is gaseous, includes quick-witted case, quick-witted incasement is equipped with the new trend respectively and sends into room, NMP waste gas and send out room, new trend and send out room, cooling chamber, spray room, NMP exhaust emission room, the new trend is sent into room, NMP waste gas and is sent into the juncture that room, new trend sent out room and cooling chamber and install heat exchanger, install first condenser in the cooling chamber, install the shower subassembly in the spray chamber, install second condenser and air purifier in the NMP exhaust emission room respectively.

Furthermore, a hot runner of the heat exchanger is communicated with the NMP waste gas feeding chamber and the cooling chamber, and a cold runner of the heat exchanger is communicated with the fresh air feeding chamber and the fresh air discharging chamber.

Furthermore, install the shutter on the outer wall that the new trend sent into the room, install first flange interface on the outer wall that the NMP waste gas sent into the room.

Furthermore, a first centrifugal fan is installed in the fresh air delivery chamber, and a second flange interface is installed on the outer wall of the fresh air delivery chamber.

Furthermore, install second centrifugal fan in the NMP exhaust emissions room, and install the third flange interface on the outer wall of NMP exhaust emissions room.

Furthermore, a cooling water tank is arranged in the spray chamber, a water pump is arranged in the cooling water tank, and the spray pipe assembly is connected with an output port of the water pump.

Compared with the prior art, the utility model provides a cooling recovery unit for NMP is gaseous possesses following beneficial effect:

this a cooling recovery unit for NMP is gaseous, coating machine hot gas is through the abundant heat exchange of heat exchanger, can preheat the new trend temperature and send back to the coating machine in to the certain extent, waste gas after the heat exchange is sent first condenser condensation and is retrieved, realize retrieving for the second time through spraying cooling and second condenser again, waste gas after the secondary is retrieved passes through the clarifier again and filters the third time and realize that the back discharges to outdoor, the device can make the coating machine practice thrift a large amount of energy consumptions, very big improvement the rate of recovery and the reliability of equipment.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a structural view of the shower room of the present invention.

In the figure: 1. a chassis; 2. fresh air is sent into the chamber; 3. conveying NMP waste gas into a chamber; 4. a fresh air outlet chamber; 5. a cooling chamber; 6. a spray chamber; 7. an NMP exhaust emission chamber; 8. a heat exchanger; 9. a first condenser; 10. a shower assembly; 11. a second condenser; 12. an air purifier; 13. a blind window; 14. a first flange interface; 15. a first centrifugal fan; 16. a second flange interface; 17. a second centrifugal fan; 18. a third flange interface; 19. a cooling water tank; 20. and (4) a water pump.

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.

Please refer to fig. 1-3, the utility model discloses a cooling recovery unit for NMP is gaseous, the load simulator comprises a case 1, be equipped with fresh air respectively in the machine case 1 and send into room 2, NMP waste gas and send into room 3, fresh air and send out room 4, cooling chamber 5, spray room 6, NMP exhaust emission room 7, fresh air is sent into room 2, NMP waste gas and is sent into room 3, fresh air and send out room 4 and the juncture of cooling chamber 5 and install heat exchanger 8, install first condenser 9 in the cooling chamber 5, install spray pipe assembly 10 in the spray room 6, install second condenser 11 and air purifier 12 in the NMP exhaust emission room 7 respectively, hot waste gas passes through heat exchanger 8 abundant heat exchange in the coating machine, can preheat fresh air temperature to the coating machine in certain extent, and send back the condensation recovery of first condenser 9 again through the spraying after the cooling and realize the second recovery of second condenser, the exhaust purifier after the secondary is retrieved filters and realizes discharging to outdoor after the third recovery, the device can make the energy consumption of saving a large amount of energy consumption, very big improvement the reliability of coating machine and the recovery rate of equipment and the recovery rate of coating machine.

Specifically, the hot runner of the heat exchanger 8 is communicated with the NMP waste gas feeding chamber 3 and the cooling chamber 5, and the cold runner of the heat exchanger 8 is communicated with the fresh air feeding chamber 2 and the fresh air discharging chamber 4.

In this embodiment, NMP waste gas carries out the heat exchange back through crisscross hot runner and cold runner through the new trend, and in the coating machine was sent back to the new trend, NMP waste gas cooled down recovery processing.

Specifically, a shutter 13 is installed on the outer wall of the fresh air feeding chamber 2, and a first flange connector 14 is installed on the outer wall of the NMP waste gas feeding chamber 3.

In this embodiment, shutter 13 can be through adjusting the size that opens and shuts of its blade to change the flow of sending into of new trend, NMP waste gas send into room 3 and pass through first flange interface 14 connection coating machine.

Specifically, a first centrifugal fan 15 is installed in the fresh air sending chamber 4, and a second flange connector 16 is installed on the outer wall of the fresh air sending chamber 4.

In this embodiment, the fresh air outlet chamber 4 is connected to the coating machine through the second flange interface 16, and the fresh air after heat exchange is introduced into the coating machine through the first centrifugal fan 15.

Specifically, a second centrifugal fan 17 is installed in the NMP waste gas discharge chamber 7, and a third flange interface 18 is installed on the outer wall of the NMP waste gas discharge chamber 7.

In this embodiment, the NMP waste gas is introduced through the second centrifugal fan 17, and after being recycled, the waste gas can be discharged to the outside or connected to other processing equipment.

Specifically, a cooling water tank 19 is arranged in the spray chamber 6, a water pump 20 is arranged in the cooling water tank 19, and the spray pipe assembly 10 is connected with an output port of the water pump 20.

In this embodiment, the cooling water tank 19 is filled with cooling water, and the cooling water is introduced into the shower assembly 10 through the water pump 20 to be sprayed and cooled.

When using, hot waste gas in the coating machine fully heat exchange through heat exchanger 8, can preheat the new trend temperature and send back to in the coating machine to the certain extent, waste gas after the heat exchange is sent to first condenser 9 condensation and is retrieved, through local spraying cooling and the cooling of second condenser 11, realize the secondary and retrieve, waste gas after the secondary is retrieved passes through the clarifier again and filters the third time and realize that the back is retrieved and discharge to outdoor, the device can make the coating machine practice thrift a large amount of energy consumptions, very big improvement the rate of recovery and the reliability of equipment.

To sum up, this a cooling recovery unit for NMP is gaseous, the hot waste gas of coating machine is through 8 abundant heat exchanges of heat exchanger, can preheat the new trend temperature to certain extent in sending back to the coating machine, the waste gas after the heat exchange is sent to first condenser 9 condensation and is retrieved, realize the second time through spraying cooling and second condenser 11 and retrieve, waste gas after the secondary is retrieved is filtered through the clarifier again and is realized discharging to outdoor after retrieving for the third time, the device can make the coating machine practice thrift a large amount of energy consumptions, very big improvement the rate of recovery and the reliability of equipment.

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

1. The utility model provides a cooling recovery unit for NMP is gaseous, includes quick-witted case (1), its characterized in that: it sends into room (2), NMP waste gas and sends into room (3), new trend and sends out room (4), cooling chamber (5), spray room (6), NMP exhaust emission room (7) to be equipped with the new trend in quick-witted case (1) respectively, the juncture that room (3), new trend sent into room (4) and cooling chamber (5) is sent into to the new trend and is installed heat exchanger (8) to room (2), NMP waste gas, install first condenser (9) in cooling chamber (5), install spray pipe subassembly (10) in spray room (6), install second condenser (11) and air purifier (12) in NMP exhaust emission room (7) respectively.

2. A cooling recovery device for NMP gas according to claim 1, wherein: the hot runner of heat exchanger (8) is sent into room (3) and cooling chamber (5) with NMP waste gas and is link up mutually, the cold runner of heat exchanger (8) is sent into room (2) and is sent out room (4) with the new trend and link up mutually with the new trend.

3. A cooling recovery device for NMP gas according to claim 1, characterized in that: install shutter (13) on the outer wall of new trend room (2) of sending into, install first flange interface (14) on the outer wall that NMP waste gas sent into room (3).

4. A cooling recovery device for NMP gas according to claim 1, characterized in that: install first centrifugal fan (15) in room (4) is sent out to the new trend, and install second flange interface (16) on the outer wall of room (4) is sent out to the new trend.

5. A cooling recovery device for NMP gas according to claim 1, wherein: install second centrifugal fan (17) in NMP exhaust emissions room (7), and install third flange interface (18) on the outer wall of NMP exhaust emissions room (7).

6. A cooling recovery device for NMP gas according to claim 1, characterized in that: a cooling water tank (19) is arranged in the spray chamber (6), a water pump (20) is installed in the cooling water tank (19), and the spray pipe assembly (10) is connected with an output port of the water pump (20).