CN216537708U

CN216537708U - Energy-efficient tail gas processing apparatus

Info

Publication number: CN216537708U
Application number: CN202122228651.4U
Authority: CN
Inventors: 张�雄
Original assignee: Dongguan Pengjin Machinery Technology Co ltd
Current assignee: Dongguan Pengjin Machinery Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-05-17
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses an efficient and energy-saving tail gas treatment device which comprises a spray tower, wherein airflow blown from bottom to top is formed in the spray tower, an impeller capable of being blown to rotate by the airflow and a distribution pipe driven to rotate by the impeller are arranged in the spray tower, and a plurality of water outlet nozzles distributed along the length direction of the distribution pipe are arranged on the distribution pipe. According to the utility model, the impeller which can be blown to rotate by air flow and the distribution pipe which can be driven to rotate by the impeller are arranged in the spray tower, so that the distribution pipe is rotated by directly utilizing ascending air flow in the tail gas treatment process, and water sprayed out of the distribution pipe is uniformly distributed in the spray tower under the influence of centrifugal force, so that the NMP in the air flow is better fused, and the water is uniformly sprayed on the filler in the spray tower, thus the absorption is more sufficient, the efficiency is higher, the energy consumption is saved, the equipment structure is simplified, and the production cost of enterprises is reduced.

Description

Energy-efficient tail gas processing apparatus

Technical Field

The utility model relates to the technical field of tail gas treatment equipment, in particular to a high-efficiency and energy-saving tail gas treatment device.

Background

In the production process of the lithium battery, a large amount of high-concentration waste gas containing NMP can be generated and discharged in the coating link, and the NMP waste gas is a volatile organic compound and belongs to VOC gas with national emission limit. At present, NMP waste gas and other VOC gas are treated by a spraying and absorbing tower additional process, and the spraying tower absorbs water, pure water and other liquid to carry out absorbing treatment on the VOC gas.

In order to improve the absorption efficiency of gas, the existing spray tower is generally provided with branch pipes as many as possible in the spray tower, so as to achieve the purpose of fully contacting the gas with water, and the mode causes the internal structure of the spray tower to be complex and the manufacturing cost of equipment to be high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the high-efficiency and energy-saving tail gas treatment device, which can simplify the internal structure of the spray tower, improve the tail gas treatment efficiency, save the energy consumption and reduce the production cost of enterprises.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an energy-efficient tail gas processing apparatus, includes a spray column, be formed with the air current that blows from bottom to top in the spray column, be equipped with in the spray column and blow pivoted impeller and drive the pivoted distributor pipe by the impeller by the air current, be equipped with a plurality of water outlet nozzle that distribute along distributor pipe length direction on the distributor pipe.

As a preferable scheme, a water supply pipe for supplying water to the distribution pipe is arranged on the spray tower, a water outlet end of the water supply pipe vertically extends downwards from the middle of the spray tower, the impeller is rotatably mounted on the outer side of the water outlet end of the water supply pipe, and the distribution pipe is rotatably mounted below the impeller.

As a preferred scheme, a T-shaped tee joint is arranged in the middle of the distribution pipe, the upper end of the T-shaped tee joint is rotatably sleeved outside the water outlet end of the water supply pipe, and the impeller is fixedly connected with the upper end of the T-shaped tee joint.

As a preferred scheme, a T-shaped tee joint is arranged in the middle of the distribution pipe, the impeller is rotatably mounted on the outer side of the water outlet end of the water supply pipe through a sleeve, and the lower end of the sleeve is fixedly connected with the upper end of the T-shaped tee joint through a sleeve flange.

As a preferred scheme, be equipped with the bracing piece that stretches out downwards on the distributing pipe, be equipped with the support frame in the spray column, the lower extreme of bracing piece passes through the bearing and is connected with the support frame rotation.

As a preferred scheme, the support frame includes the fixed plate of horizontal extension and with the downside fixed connection's of fixed plate connecting plate, the both ends of connecting plate and the inner wall fixed connection of spray column, be equipped with the reinforcement piece between fixed plate and the connecting plate, the lower extreme of bracing piece is passed through the bearing and is rotated the middle part of connecting in the fixed plate.

As a preferred scheme, the distribution pipe is provided with a support part extending downwards, and the support part is fixedly connected with the upper end of the support rod through a support connecting flange.

Preferably, the number of the blades of the impeller is two, three or five.

Preferably, the water inlet end of the water supply pipe is located outside the spray tower, and the water inlet end of the water supply pipe is provided with a water inlet connecting flange.

As a preferable scheme, the distribution pipe extends transversely, and the water outlet nozzles are uniformly distributed on the distribution pipe.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and particularly, the impeller which can be blown to rotate by air flow and the distribution pipe which can be driven to rotate by the impeller are arranged in the spray tower, so that the ascending air flow in the tail gas treatment process is directly utilized to rotate the distribution pipe, and the water sprayed out of the distribution pipe is uniformly distributed in the spray tower under the influence of centrifugal force, so that the water is better fused with NMP in the air flow and is uniformly sprayed on the filler in the spray tower, the absorption is more sufficient, the efficiency is higher, the energy consumption is saved, the equipment structure is simplified, and the production cost of enterprises is reduced.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions attained thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic assembly structure of a first embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic assembly diagram of a second embodiment of the present invention;

FIG. 4 is an assembly structure diagram of the third embodiment of the present invention.

The attached drawings indicate the following:

10. spray tower 20, impeller 21 and sleeve

22. Sleeve flange 30, distribution pipe 31, water outlet nozzle

32. T-shaped tee joint 33, support part 40 and water supply pipe

41. Water inlet connecting flange 50, support rod 51 and support connecting flange

60. Support frame 61, fixed plate 62, connecting plate

63. Reinforcing sheet 64, bearings.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 and 2, a first embodiment of the present invention is a high-efficiency energy-saving tail gas treatment device, including a spray tower 10, an air flow blown from bottom to top is formed in the spray tower 10, an impeller 20 capable of being blown by the air flow to rotate and a distribution pipe 30 driven by the impeller 20 to rotate are arranged in the spray tower 10, and a plurality of water outlet nozzles 31 distributed along the length direction of the distribution pipe 30 are arranged on the distribution pipe 30. The spray tower 10 is provided with a water supply pipe 40 for supplying water to the distribution pipe 30, the water inlet end of the water supply pipe 40 is located on the outer side of the spray tower 10, the water inlet end of the water supply pipe 40 is provided with a water inlet connecting flange 41, the water outlet end of the water supply pipe 40 vertically extends downwards from the middle part of the spray tower 10, the impeller 20 is rotatably installed on the outer side of the water outlet end of the water supply pipe 40, and the distribution pipe 30 is rotatably installed below the impeller 20. In the present invention, the distribution pipe 30 extends transversely, and the water outlet nozzles 31 are uniformly distributed on the distribution pipe 30.

Specifically, a T-shaped tee 32 is arranged in the middle of the distribution pipe 30, the upper end of the T-shaped tee 32 is rotatably sleeved outside the water outlet end of the water supply pipe 40, and two blades extending radially outward are fixedly arranged outside the upper end of the T-shaped tee 32, so as to form the impeller 20. The distribution pipe 30 is provided with a support rod 50 extending downwards, a support frame 60 is arranged in the spray tower 10, and the lower end of the support rod 50 is rotatably connected with the support frame 60 through a bearing 64. The supporting frame 60 comprises a fixing plate 61 extending horizontally and a connecting plate 62 fixedly connected with the lower side of the fixing plate 61, two ends of the connecting plate 62 are fixedly connected with the inner wall of the spray tower 10, a reinforcing plate 63 is arranged between the fixing plate 61 and the connecting plate 62, and the lower end of the supporting rod 50 is rotatably connected to the middle of the fixing plate 61 through a bearing 64. The distribution pipe 30 is provided with a support part 33 extending downwards, and the support part 33 is fixedly connected with the upper end of the support rod 50 through a support connecting flange 51.

As shown in fig. 3, the second embodiment of the present invention is different from the first embodiment in that the impeller 20 is rotatably installed outside the water outlet end of the water supply pipe 40 through a sleeve 21, the lower end of the sleeve 21 is fixedly connected to the upper end of the T-shaped tee 32 through a sleeve flange 22, the upper end of the support rod 50 is fixedly welded to the distribution pipe 30, and three blades are provided on the impeller 20.

As shown in fig. 4, a third embodiment of the present invention is different from the second embodiment in that the impeller 20 has five blades.

In the actual production process, the number of blades, the shape of the blades, and the like of the impeller 20 may be set as needed. The water inlet connecting flange, the supporting connecting flange and the sleeve flange are arranged, so that the device is convenient to disassemble and assemble and convenient to carry.

In conclusion, the impeller capable of being blown to rotate by air flow and the distribution pipe capable of being driven to rotate by the impeller are arranged in the spray tower, so that the distribution pipe is rotated by directly utilizing ascending air flow in the tail gas treatment process, water sprayed out of the distribution pipe is uniformly distributed in the spray tower under the influence of centrifugal force, and is better fused with NMP in the air flow and more uniformly sprayed on the filler in the spray tower, the absorption is more sufficient, the efficiency is higher, the energy consumption is saved, the equipment structure is simplified, and the production cost of enterprises is reduced

The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, so that any modifications, equivalents, improvements, etc. made to the above embodiment according to the present invention are within the scope of the present invention.

Claims

1. The utility model provides an energy-efficient tail gas processing apparatus, includes a spray column, be formed with the air current that blows from bottom to top in the spray column, its characterized in that, be equipped with in the spray column and blow pivoted impeller and drive the pivoted distributor pipe by the air current, be equipped with a plurality of water outlet nozzle that distribute along distributor pipe length direction on the distributor pipe.

2. The efficient energy-saving tail gas treatment device according to claim 1, wherein the spray tower is provided with a water supply pipe for supplying water to the distribution pipe, the water outlet end of the water supply pipe vertically extends downwards from the middle part of the spray tower, the impeller is rotatably installed at the outer side of the water outlet end of the water supply pipe, and the distribution pipe is rotatably installed below the impeller.

3. The efficient and energy-saving tail gas treatment device according to claim 2, wherein a T-shaped tee joint is arranged in the middle of the distribution pipe, the upper end of the T-shaped tee joint is rotatably sleeved outside the water outlet end of the water supply pipe, and the impeller is fixedly connected with the upper end of the T-shaped tee joint.

4. The efficient and energy-saving tail gas treatment device according to claim 2, wherein a T-shaped tee joint is arranged in the middle of the distribution pipe, the impeller is rotatably mounted on the outer side of the water outlet end of the water supply pipe through a sleeve, and the lower end of the sleeve is fixedly connected with the upper end of the T-shaped tee joint through a sleeve flange.

5. An efficient energy-saving tail gas treatment device according to any one of claims 2 to 4, wherein the distribution pipe is provided with a support rod extending downwards, the spray tower is internally provided with a support frame, and the lower end of the support rod is rotatably connected with the support frame through a bearing.

6. The efficient and energy-saving tail gas treatment device according to claim 5, wherein the support frame comprises a fixing plate extending horizontally and a connecting plate fixedly connected with the lower side of the fixing plate, two ends of the connecting plate are fixedly connected with the inner wall of the spray tower, a reinforcing plate is arranged between the fixing plate and the connecting plate, and the lower end of the support rod is rotatably connected to the middle part of the fixing plate through a bearing.

7. An efficient and energy-saving tail gas treatment device according to claim 5, wherein the distribution pipe is provided with a support part which extends downwards, and the support part is fixedly connected with the upper end of the support rod through a support connecting flange.

8. An energy-efficient tail gas treatment device according to claim 5, characterized in that the number of the blades of the impeller is two, three or five.

9. The efficient and energy-saving tail gas treatment device according to claim 5, wherein the water inlet end of the water supply pipe is located outside the spray tower, and the water inlet end of the water supply pipe is provided with a water inlet connecting flange.

10. An energy-efficient tail gas processing apparatus as defined in claim 5 wherein, the distribution pipe extends transversely, and the water outlet nozzles are evenly distributed on the distribution pipe.