CN218795062U

CN218795062U - Equipment for treating tail gas of rectification containing NMP

Info

Publication number: CN218795062U
Application number: CN202320131849.7U
Authority: CN
Inventors: 向敏; 梁燊苹
Original assignee: Guangdong Zhengde Industrial Technology Co ltd
Current assignee: Guangdong Zhengde Industrial Technology Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-04-07
Anticipated expiration: 2033-01-16

Abstract

The utility model relates to a tail gas processing technology field discloses a treatment facility that contains NMP rectification tail gas, including the treating column, the lower extreme fixedly connected with air inlet tube of treating column, the fixed intercommunication in upper end of treating column has air outlet tube, the relative one side of lower extreme of treating column rotates through the pivot and is connected with the heat exchanger, the inboard fixedly connected with cavity of upper end of treating column, cavity relative one side lateral wall rotates from top to bottom and has cup jointed fixed pipe, the lower extreme fixedly connected with dispersion impeller of fixed pipe, the upper end of fixed pipe rotates through rotary seal joint and is connected with the feed liquor pipe, the fixed driven bevel gear that has cup jointed of pipe wall of fixed pipe, the through-hole has been seted up to the upper end lateral wall of treating column, and has cup jointed the transmission shaft through seal bearing rotation in the corresponding through-hole. Comprehensive tail gas treatment and heat transfer operation can be realized to this application, have improved treatment quality and efficiency.

Description

Equipment for treating rectification tail gas containing NMP

Technical Field

The application belongs to the technical field of tail gas treatment, and particularly relates to a treatment device for tail gas containing NMP (N-methyl pyrrolidone) in rectification.

Background

NMP is the main component of waste gas discharged in the production of lithium ion batteries, is a toxic gas, and if NMP is not recycled, not only is environmental pollution caused, but also a great deal of waste of raw materials is caused, so that the recycling treatment of NMP is an important link influencing environmental protection in the production process of green batteries.

In the prior NMP tail gas treatment, the spraying position of a dissolving solution is fixed, so that the treatment is incomplete, and a bottom heat exchanger only has a single heat exchange surface for heat exchange operation, thereby greatly influencing the heat exchange quality and efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and providing a treatment device for the rectification tail gas containing NMP.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a treatment facility that contains NMP rectification tail gas, includes the treatment column, the lower extreme fixedly connected with air inlet cylinder of treatment column, the fixed intercommunication in upper end of treatment column has air outlet cylinder, the relative one side of lower extreme of treatment column rotates through the pivot and is connected with the heat exchanger, the inboard fixedly connected with cavity box in upper end of treatment column, cavity box relative side lateral wall rotates from top to bottom and has cup jointed fixed pipe, the lower extreme fixedly connected with dispersion impeller of fixed pipe, the upper end of fixed pipe rotates through rotary seal joint and is connected with the feed liquor pipe, the fixed bevel gear that has cup jointed of pipe wall of fixed pipe, the through-hole has been seted up to the upper end lateral wall of treatment column, and has cup jointed the transmission shaft through sealed bearing rotation in corresponding the through-hole, the one end fixedly connected with of transmission shaft and the drive bevel gear of driven bevel gear meshing, the outside fixedly connected with of treatment column is used for driving transmission shaft pivoted actuating mechanism, connect through the link gear between transmission shaft and the pivot.

Preferably, the driving mechanism comprises a driving motor fixedly arranged outside the treatment tower, the output end of the driving motor is fixedly connected with a driving gear, and a driven gear meshed with the driving gear is fixedly sleeved outside the shaft wall at one end of the transmission shaft.

Preferably, the linkage mechanism comprises a driving chain wheel fixedly connected to one end of the transmission shaft, a driven chain wheel is fixedly connected to one end of the rotating shaft, and a transmission chain is sleeved between the driving chain wheel and the driven chain wheel in a transmission manner.

Preferably, two transverse plates are symmetrically and fixedly connected to the inner side of the lower end of the treatment tower, a plurality of insertion holes are formed in the surface of each transverse plate, a compensation rod and a plurality of compensation rods are movably inserted into the corresponding insertion holes in a sleeved mode, the upper ends of the compensation rods are fixedly connected with the same cleaning wiping strip, the lower ends of the compensation rods are fixedly connected with anti-falling plates, and the upper ends of the transverse plates and the lower ends of the cleaning wiping strips are fixedly connected with compensation springs which are sleeved outside the compensation rods.

Preferably, an L-shaped bracket is fixedly arranged on the outer side of the upper end of the treatment tower, and the L-shaped bracket is fixedly sleeved outside the driving motor.

Preferably, four corners of the bottom of the treatment tower are fixedly connected with support legs.

Compared with the prior art, the application provides a treatment facility that contains NMP rectification tail gas, possesses following beneficial effect:

1. this treatment facility that contains NMP rectification tail gas, through the treatment tower that is equipped with, the admission cylinder sends into the treatment tower with tail gas in, carry NMP solution to fixed pipe and dispersion impeller in through the feed liquor pipe, restart driving motor, driving motor drives the driving gear and rotates, meshing drive transmission shaft through driving gear and driven gear rotates, and then drive bevel gear and rotate, meshing drive fixed pipe through drive bevel gear and driven bevel gear rotates, and then drive the dispersion impeller at the uniform velocity rotatory, guarantee dissolving range and comprehensive nature, the transmission shaft drives drive sprocket synchronous rotation, connect drive driven sprocket synchronous rotation through drive chain's transmission, and then it is rotatory that the drive pivot drives the heat exchanger, make each face of heat exchanger all can carry out heat transfer operation, use quality and efficiency have been guaranteed.

2. This contain NMP rectification tail gas's treatment facility, through the clearance rubbing strip that is equipped with, compensation spring cooperation compensation pole promotes the clearance rubbing strip and contradicts all the time at the lower extreme of heat exchanger, can carry out real-time clearance to the surface of heat exchanger, guarantees the heat transfer performance of heat exchanger.

Drawings

FIG. 1 is a schematic structural diagram of a device for treating a rectification tail gas containing NMP according to the present application;

FIG. 2 is a schematic diagram showing a partially enlarged structure of a device for treating a rectification tail gas containing NMP according to the present application.

In the figure: 1. a treatment tower; 2. an air inlet cylinder; 3. an air outlet cylinder; 4. a rotating shaft; 5. a heat exchanger; 6. a hollow box; 7. fixing the tube; 8. a dispersion tray; 9. a liquid inlet pipe; 10. a driven bevel gear; 11. a drive shaft; 12. a drive bevel gear; 13. a drive motor; 14. a driving gear; 15. a driven gear; 16. a drive sprocket; 17. a driven sprocket; 18. a drive chain; 19. a transverse plate; 20. a compensation lever; 21. cleaning the rubbing strips; 22. an anti-falling plate; 23. and a compensation spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-2, a treatment device for NMP-containing rectification tail gas comprises a treatment tower 1, wherein a lower end of the treatment tower 1 is fixedly connected with an air inlet cylinder 2, an upper end of the treatment tower 1 is fixedly communicated with an air outlet cylinder 3, one side of the lower end of the treatment tower 1 opposite to the lower end is rotatably connected with a heat exchanger 5 through a rotating shaft 4, an inner side of the upper end of the treatment tower 1 is fixedly connected with a hollow box 6, a side wall of the hollow box 6 opposite to the upper side and the lower side is rotatably sleeved with a fixed pipe 7, a lower end of the fixed pipe 7 is fixedly connected with a dispersion disc 8, the upper end of the fixed pipe 7 is rotatably connected with an air inlet pipe 9 through a rotary sealing joint, a pipe wall of the fixed pipe 7 is fixedly sleeved with a driven bevel gear 10, a through hole is formed in the upper end side wall of the treatment tower 1, a transmission shaft 11 is rotatably sleeved in the corresponding through hole through a sealing bearing, one end of the transmission shaft 11 is fixedly connected with a driving bevel gear 12 meshed with the driven bevel gear 10, an outer side of the treatment tower 1 is fixedly connected with a driving mechanism for driving the transmission shaft 11 to rotate, and the transmission shaft 11 is connected with the rotating shaft 4 through a linkage mechanism.

The driving mechanism comprises a driving motor 13 fixedly arranged outside the treatment tower 1, the output end of the driving motor 13 is fixedly connected with a driving gear 14, and a driven gear 15 meshed with the driving gear 14 is fixedly sleeved outside the shaft wall at one end of the transmission shaft 11.

The linkage mechanism comprises a driving chain wheel 16 fixedly connected to one end of the transmission shaft 11, a driven chain wheel 17 fixedly connected to one end of the rotating shaft 4, and a transmission chain 18 is sleeved between the driving chain wheel 16 and the driven chain wheel 17 in a transmission mode.

Two transverse plates 19 are symmetrically and fixedly connected to the inner side of the lower end of the treatment tower 1, a plurality of insertion holes are formed in the surface of each transverse plate 19, a compensation rod 20 is movably inserted in each corresponding insertion hole, the upper ends of the compensation rods 20 are fixedly connected with the same cleaning wiping strip 21, the lower end of each compensation rod 20 is fixedly connected with an anti-falling plate 22, and the upper ends of the transverse plates 19 and the lower ends of the cleaning wiping strips 21 are fixedly connected with compensation springs 23 which are sleeved outside the compensation rods 20.

An L-shaped bracket is fixedly arranged on the outer side of the upper end of the treatment tower 1, and the L-shaped bracket is fixedly sleeved outside the driving motor 13.

The four corners at the bottom of the treatment tower 1 are fixedly connected with support legs.

Now, the operation principle of the present invention is described as follows:

when the application is used, through the treatment tower 1 that is equipped with, air inlet cylinder 2 sends tail gas into in the treatment tower 1, carry NMP solution to fixed pipe 7 and dispersion impeller 8 in through feed liquor pipe 9, restart driving motor 13, driving motor 13 drives driving gear 14 and rotates, meshing action drive transmission shaft 11 through driving gear 14 and driven gear 15 rotates, and then drive driving bevel gear 12 and rotate, drive fixed pipe 7 through driving bevel gear 12 and driven bevel gear 10's meshing action and rotate, and then drive dispersion impeller 8 at the uniform velocity rotatory, guarantee dissolving range and comprehensiveness, transmission shaft 11 drives driving sprocket 16 synchronous rotation, drive driven sprocket 17 synchronous rotation is connected through the transmission of drive chain 18, and then drive pivot 4 drives heat exchanger 5 and rotate, make each face of heat exchanger 5 all can carry out heat transfer operation, use quality and efficiency have been guaranteed, through clearance strip 21 that is equipped with, compensating spring 23 cooperation compensating rod 20 promotes clearance strip 21 and contradicts all the time at the lower extreme of heat exchanger 5, can carry out real-time clearance to the surface of heat exchanger 5, guarantee heat transfer performance of heat exchanger 5.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present application, and equivalent alternatives or modifications according to the technical solutions and the application concepts of the present application, which are within the technical scope of the present application.

Claims

1. The utility model provides a treatment facility that contains NMP rectification tail gas, includes treatment column (1), its characterized in that, the lower extreme fixedly connected with admission cylinder (2) of treatment column (1), the fixed intercommunication in upper end of treatment column (1) has gas outlet tube (3), the relative one side of lower extreme of treatment column (1) rotates through pivot (4) and is connected with heat exchanger (5), the inboard fixedly connected with well hollow box (6) in upper end of treatment column (1), relative one side lateral wall rotates from top to bottom and has cup jointed fixed pipe (7) about well hollow box (6), the lower extreme fixedly connected with dispersion impeller (8) of fixed pipe (7), the upper end of fixed pipe (7) rotates through rotary seal joint and is connected with feed liquor pipe (9), the pipe wall of fixed pipe (7) is fixed to have cup jointed from driven bevel gear (10), the upper end lateral wall of treatment column (1) has seted up the through-hole, and has cup jointed through sealed bearing in corresponding the through-seal joint transmission shaft (11), the one end fixedly connected with the initiative bevel gear (12) of driven bevel gear (10) meshing, the outside fixed connection of treatment column (1) is used for drive shaft (11) and rotation linkage mechanism (4) between the pivot (11) and the rotation.

2. The NMP-containing rectification tail gas treatment equipment according to claim 1, wherein the driving mechanism comprises a driving motor (13) fixedly arranged outside the treatment tower (1), the output end of the driving motor (13) is fixedly connected with a driving gear (14), and a driven gear (15) meshed with the driving gear (14) is fixedly sleeved outside the shaft wall of one end of the transmission shaft (11).

3. The NMP-containing rectification tail gas treatment equipment according to claim 1, wherein the linkage mechanism comprises a driving chain wheel (16) fixedly connected to one end of a transmission shaft (11), a driven chain wheel (17) is fixedly connected to one end of the rotating shaft (4), and a transmission chain (18) is sleeved between the driving chain wheel (16) and the driven chain wheel (17).

4. The NMP rectification tail gas treatment equipment as claimed in claim 1, wherein two transverse plates (19) are symmetrically and fixedly connected to the inner side of the lower end of the treatment tower (1), a plurality of jacks are formed in the surface of each transverse plate (19), compensation rods (20) are movably inserted in the corresponding jacks, a plurality of compensation rods (20) are fixedly connected to the upper ends of the compensation rods (20) through the same cleaning wiping strip (21), anti-dropping plates (22) are fixedly connected to the lower ends of the compensation rods (20), and compensation springs (23) arranged outside the compensation rods (20) are sleeved on the upper ends of the transverse plates (19) and the lower ends of the cleaning wiping strips (21).

5. The NMP-containing rectification tail gas treatment equipment according to claim 2, wherein an L-shaped support is fixedly arranged on the outer side of the upper end of the treatment tower (1), and the L-shaped support is fixedly sleeved outside the driving motor (13).

6. The NMP-containing rectification tail gas treatment equipment according to claim 1, characterized in that supporting legs are fixedly connected to four corners of the bottom of the treatment tower (1).