CN216537708U - Energy-efficient tail gas processing apparatus - Google Patents

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

An efficient and energy-saving exhaust gas treatment device

technical field

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

Background technique

In the production process of lithium batteries, the coating process will generate and discharge a large amount of high-concentration waste gas containing NMP. The NMP waste gas is volatile organic compounds and belongs to the VOC gas whose emission is restricted by the state. At present, the treatment of NMP waste gas and other VOC gases is mostly carried out by spraying and absorption tower addition process. The spray tower absorbs most of the VOC gas with water, pure water and other liquids.

In order to improve the absorption efficiency of the gas, the existing spray tower usually sets as many separate pipes as possible in the spray tower, so as to achieve the purpose of fully contacting the gas with the water, which leads to the complicated internal structure of the spray tower. , the equipment manufacturing cost is high.

Utility model content

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

To achieve the above object, the present invention adopts the following technical scheme:

A high-efficiency and energy-saving tail gas treatment device includes a spray tower, in which an airflow blowing from bottom to top is formed, and an impeller that can be blown and rotated by the airflow and driven by the impeller are arranged in the spray tower. The rotating distribution pipe is provided with a plurality of water outlet nozzles distributed along the length of the distribution pipe.

As a preferred solution, 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 extends vertically downward from the middle of the spray tower, and the impeller is rotatably installed on the Outside the water outlet end of the water supply pipe, the distribution pipe is rotatably installed below the impeller.

As a preferred solution, the middle part of the distribution pipe is provided with a T-shaped tee, the upper end of the T-shaped tee is rotatably sleeved on the outside of the water outlet end of the water supply pipe, and the impeller is fixed to the upper end of the T-shaped tee. connect.

As a preferred solution, the middle part of the distribution pipe is provided with a T-shaped tee, the impeller is rotatably installed on the outside of the water outlet end of the water supply pipe through a sleeve, and the lower end of the sleeve is connected to the T-shaped through the sleeve flange. The upper end of the tee is fixedly connected.

As a preferred solution, the distribution pipe is provided with a support rod extending downward, a support frame is provided in the spray tower, and the lower end of the support rod is rotatably connected to the support frame through a bearing.

As a preferred solution, the support frame includes a horizontally extending fixing plate and a connecting plate that is fixedly connected to the lower side of the fixing plate, two ends of the connecting plate are fixedly connected to the inner wall of the spray tower, and the fixing plate is Reinforcing sheets are arranged between the connecting plates, and the lower end of the support rod is rotatably connected to the middle of the fixing plate through a bearing.

As a preferred solution, the distribution pipe is provided with a support portion extending downward, and the support portion is fixedly connected to the upper end of the support rod through a support connection flange.

As a preferred solution, the number of blades of the impeller is two, three or five.

As a preferred solution, 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 connection flange.

As a preferred solution, the distribution pipe extends laterally, and the water outlet nozzles are evenly distributed on the distribution pipe.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, by arranging an impeller that can be blown and rotated by the air flow and a distribution pipe that can be driven and rotated by the impeller in the spray tower, the exhaust gas is directly used for treatment. The updraft in the process makes the distribution pipe rotate, so that the water sprayed from the distribution pipe is evenly distributed inside the spray tower under the influence of centrifugal force, so as to better integrate with the NMP in the air flow and sprinkle more evenly on the spray The packing in the tower makes the absorption more sufficient, the efficiency is higher, the energy consumption is saved, the equipment structure is simplified, and the production cost of the enterprise is reduced.

In order to more clearly illustrate the structural features, technical means and the specific purposes and functions achieved by the present utility model, the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1 is the assembly structure schematic diagram of the first embodiment of the present utility model;

Fig. 2 is the enlarged schematic diagram of A place in Fig. 1;

3 is a schematic view of the assembly structure of the second embodiment of the present invention;

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

Description of drawings:

10. Spray tower 20, Impeller 21, Sleeve

22. Sleeve flange 30. Distribution pipe 31. Water outlet nozzle

32. T-shaped tee 33. Support part 40. Water supply pipe

41. Water inlet connection flange 50. Support rod 51. Support connection flange

60, support frame 61, fixing plate 62, connecting plate

63. Reinforcing sheet 64. Bearing.

Detailed ways

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

As shown in FIG. 1 and FIG. 2 , the first embodiment of the present invention, a high-efficiency and energy-saving tail gas treatment device, includes a spray tower 10 , and an air flow blowing from bottom to top is formed in the spray tower 10 The spray tower 10 is provided with an impeller 20 that can be rotated by airflow and a distribution pipe 30 that is driven and rotated by the impeller 20 . 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 outside the spray tower 10, and the water inlet end of the water supply pipe 40 is provided with an inlet. The water connection flange 41, the water outlet end of the water supply pipe 40 extends vertically downward from the middle of the spray tower 10, the impeller 20 is rotatably installed on the outside of the water outlet end of the water supply pipe 40, and the distribution pipe 30 is rotatable is installed below the impeller 20. In the present invention, the distribution pipe 30 extends laterally, and the water outlet nozzles 31 are evenly distributed on the distribution pipe 30 .

Specifically, the middle part of the distribution pipe 30 is provided with a T-shaped tee 32 , the upper end of the T-shaped tee 32 is rotatably sleeved on the outside of the water outlet end of the water supply pipe 40 , and the upper end of the T-shaped tee 32 is outside Two vanes projecting radially outward are fixed to form an impeller 20 . The distribution pipe 30 is provided with a support rod 50 extending downward, a support frame 60 is provided in the spray tower 10 , and the lower end of the support rod 50 is rotatably connected to the support frame 60 through a bearing 64 . The support frame 60 includes a horizontally extending fixing plate 61 and a connecting plate 62 that is fixedly connected to the lower side of the fixing plate 61 . Both ends of the connecting plate 62 are fixedly connected to the inner wall of the spray tower 10 . A reinforcing piece 63 is provided between the connecting plate 62 and the supporting rod 50 , and the lower end of the support rod 50 is rotatably connected to the middle portion of the fixing plate 61 through a bearing 64 . The distribution pipe 30 is provided with a support portion 33 extending downward, and the support portion 33 is fixedly connected to the upper end of the support rod 50 through the support connection flange 51 .

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

As shown in FIG. 4 , the difference between the third embodiment of the present invention and the second embodiment is that the number of blades of the impeller 20 is five.

It should be noted that, in the actual production process, the number and shape of the blades of the impeller 20 can be set as required. By arranging the water inlet connection flange, the support connection flange and the sleeve flange, the utility model can facilitate the disassembly and installation of the device and facilitate handling.

To sum up, in the present invention, an impeller that can be rotated by the airflow and a distribution pipe that can be driven and rotated by the impeller are arranged in the spray tower, so that the distribution pipe can be rotated directly by the ascending airflow in the exhaust gas treatment process, so that the distribution pipe can be rotated. The sprayed water is evenly distributed inside the spray tower under the influence of centrifugal force, so as to be better integrated with the NMP in the air flow, and more evenly sprinkled on the packing in the spray tower, so that the absorption is more sufficient and the efficiency is higher. High, save energy consumption, simplify equipment structure, reduce the production cost of enterprises

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments according to the technology of the present invention are still It belongs to the scope of the technical solution of the present invention.

Claims (10)

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.

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