CN215962806U

CN215962806U - Catalytic combustion exhaust treatment device

Info

Publication number: CN215962806U
Application number: CN202122248161.0U
Authority: CN
Inventors: 黄献礼; 薛志强; 杨天亮
Original assignee: Zhengzhou Bangda Environmental Protection Equipment Co ltd
Current assignee: Zhengzhou Bangda Environmental Protection Equipment Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-08
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a catalytic combustion waste gas treatment device, and relates to the technical field of waste gas treatment. Waste gas flows into the square pipe from the intake pipe, through opening left valve I, make waste gas partly pass through the aquatic in connecting pipe I entering water tank, it carries out subsequent processing to get into outside exhaust gas purification device through two blast pipes after the filtration of water, another part waste gas passes through the filtration of filter screen, get into outside exhaust gas purification device from blast pipe I and two blast pipes on right side, after working a period, switch over to open for the valve I on right side, when making get into outside exhaust gas purification device behind the waste gas, the filter screen filterable waste gas on right side carries out the back flush to left filter screen, will pile up and blow in left water tank aquatic at left particulate matter, open valve I through the circulation and realize the effect of clearing up the filter screen.

Description

Catalytic combustion exhaust treatment device

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a catalytic combustion waste gas treatment device.

Background

The waste gas treatment refers to the work of pretreating waste gas generated in industrial places and factory workshops before the waste gas is externally discharged so as to reach the national standard of the external discharge of waste gas, the general waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection and purification and the like, and the catalytic combustion waste gas purification treatment device is required to remove particles through filtration before the waste gas enters.

At present, filter the particulate matter of waste gas under the effect of wind pressure through the filter screen mostly, filter screen jam when long-time use is easy leads to waste gas throughput to reduce, need dismantle and clear up the filter screen, and the operation is comparatively loaded down with trivial details. Therefore, the catalytic combustion exhaust gas treatment device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a catalytic combustion exhaust gas treatment device.

II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a catalytic combustion exhaust treatment device, includes the intake pipe, the one end of intake pipe is provided with filtering mechanism, filtering mechanism includes back style of calligraphy venturi tube, the one end of intake pipe runs through back style of calligraphy venturi tube and is linked together with the inner chamber of back style of calligraphy venturi tube bottom, two filter screens are installed to the inner chamber of back style of calligraphy venturi tube, and two filter screens are located the both sides of intake pipe, the fixed intercommunication of inner chamber at back style of calligraphy venturi tube top has blast pipe one, two valves are installed to the inner chamber of back style of calligraphy venturi tube, and two valves one are located the both sides of intake pipe.

Furthermore, the filtering mechanism further comprises two first connecting pipes fixedly communicated with the inner cavity of the square-back-shaped pipe, the two first valves are located between the two first connecting pipes, one ends, far away from the square-back-shaped pipe, of the two first connecting pipes are fixedly communicated with water tanks, and the inner top walls of the two water tanks are fixedly communicated with exhaust pipes.

Further, a one-way valve is installed inside each connecting pipe I.

Further, the inner bottom wall of each water tank is fixedly communicated with a second connecting pipe, and a second valve is arranged inside the second connecting pipe.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the catalytic combustion exhaust gas treatment device has the following beneficial effects:

through the matching design of a second valve, a square-shaped pipe, a filter screen, a first connecting pipe, a one-way valve, a first exhaust pipe, a second connecting pipe, a water tank, a first valve and a second exhaust pipe, waste gas flows into the square-shaped pipe from an air inlet pipe, one part of the waste gas enters water in the water tank through the first connecting pipe by opening the first valve on the left side, the waste gas enters an external waste gas purification device through the second exhaust pipe for subsequent treatment after being filtered by water, the other part of the waste gas passes through the filter screen and enters the external waste gas purification device from the first exhaust pipe and the second exhaust pipe on the right side for subsequent treatment, after working for a period of time, the first valve on the right side is switched to be opened, so that the waste gas filtered by the filter screen on the right side can backwash the filter screen on the left side while the waste gas enters the external waste gas purification device, and particles accumulated on the left side are blown into the water in the water tank on the left side, an operation cycle is completed, the effect of cleaning the filter screen is achieved by circularly opening the first valve, and the operation is simple.

Drawings

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

In the figure: 1. an air inlet pipe; 2. a filtering mechanism; 20. a second valve; 21. a square-shaped pipe; 22. filtering with a screen; 23. a first connecting pipe; 24. a one-way valve; 25. a first exhaust pipe; 26. a second connecting pipe; 27. a water tank; 28. a first valve; 29. and a second exhaust pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present invention provides a technical solution: a catalytic combustion waste gas treatment device comprises an air inlet pipe 1, one end of the air inlet pipe 1 is provided with a filtering mechanism 2, the filtering mechanism 2 comprises a square-shaped pipe 21, one end of the air inlet pipe 1 penetrates through the square-shaped pipe 21 and is communicated with an inner cavity at the bottom of the square-shaped pipe 21, two filter screens 22 are installed in the inner cavity of the square-shaped pipe 21 and are positioned at two sides of the air inlet pipe 1, an exhaust pipe I25 is fixedly communicated with the inner cavity at the top of the square-shaped pipe 21, one end, far away from the square-shaped pipe 21, of the exhaust pipe I25 is communicated with an external waste gas purification device, the unit exhaust gas throughput of the exhaust pipe I25 and the unit ventilation volume of two connecting pipes I23 are equal to the unit ventilation volume of the air inlet pipe 1, two valves I28 are installed in the inner cavity of the square-shaped pipe 21, the two valves I28 are positioned at two sides of the air inlet pipe 1, and the flow direction of waste gas in the square-shaped pipe 21 can be controlled through the opening and closing of the two valves I28, the filter mechanism 2 further comprises two first connecting pipes 23 fixedly communicated with the inner cavity of the square-shaped pipe 21, and two valves 28 are positioned between the two first connecting pipes 23.

One ends of the two first connecting pipes 23, which are far away from the square-shaped pipe 21, are fixedly communicated with a water tank 27, the inside of the water tank 27 is filled with water, the inner top walls of the two water tanks 27 are fixedly communicated with a second exhaust pipe 29, one ends of the second exhaust pipes 29, which are far away from the water tank 27, are communicated with an external exhaust gas purification device, a one-way valve 24 is installed inside each first connecting pipe 23, the one-way valve 24 is arranged to enable exhaust gas to flow in a one-way manner, the water inside the water tank 27 is prevented from reversely flowing into the square-shaped pipe 21, the inner bottom wall of each water tank 27 is fixedly communicated with a second connecting pipe 26, a valve two 20 is installed inside the second connecting pipe 26, and the exhaust gas flows into the square-shaped pipe 21 from the air inlet pipe 1 through the matching design of the valve two 20, the square-shaped pipe 21, the filter screen 22, the first connecting pipe 23, the one-way valve 24, the first exhaust pipe 25, the second connecting pipe 26, the water tank 27, the valve 28 and the second exhaust pipe 29, through opening left valve 28, make partly aquatic that gets into in water tank 27 through connecting pipe 23 of waste gas, get into outside exhaust gas purification device through blast pipe two 29 after the filtration of water and carry out subsequent processing, another part waste gas passes through the filtration of filter screen 22, and get into outside exhaust gas purification device from blast pipe one 25 and right blast pipe two 29 and carry out subsequent processing, after working a period, switch into right side valve 28 and open, when making the waste gas get into outside exhaust gas purification device behind the waste gas, the waste gas through the filtration of filter screen 22 on right side can carry out the back flush to left filter screen 22, thereby will pile up and blow into left particulate matter in left water tank 27 aquatic, accomplish a duty cycle promptly, realize the effect of clearing up filter screen 22 through circulating to open valve one 28, and the operation is simple.

The working principle is as follows: waste gas enters the square pipe 21 through the gas inlet pipe 1, a part of the waste gas enters water in the water tank 27 through the first connecting pipe 23 by opening the first valve 28 on the left side, particulate matters in the waste gas are left in the water, filtered air enters the external waste gas purification device through the second exhaust pipe 29 for subsequent treatment, the other part of the waste gas is filtered through the filter screen 22 and enters the external waste gas purification device from the first exhaust pipe 25 and the second exhaust pipe 29 on the right side for subsequent treatment, after the operation is carried out for a period of time, the first valve 28 on the right side is switched to be opened, the waste gas entering from the gas inlet pipe 1 enters the external waste gas purification device through the first exhaust pipe 25 and the second exhaust pipe 29, meanwhile, the waste gas filtered through the filter screen 22 on the right side can carry out back washing on the filter screen 22 on the left side, and then the particulate matters accumulated on the left side are blown into the water in the water tank 27 on the left side, namely, one operation cycle is completed, the operation is simple, and the sewage can be discharged and new clean water can be injected through the second valve 20 and the second connecting pipe 26 at regular time.

Claims

1. A catalytic combustion exhaust gas treatment device, comprising an intake pipe (1), characterized in that: the one end of intake pipe (1) is provided with filtering mechanism (2), filtering mechanism (2) are including returning word venturi tube (21), the one end of intake pipe (1) runs through word venturi tube (21) and is linked together with the inner chamber that returns word venturi tube (21) bottom, two filter screens (22) are installed to the inner chamber of returning word venturi tube (21), and two filter screens (22) are located the both sides of intake pipe (1), the fixed intercommunication in inner chamber at word venturi tube (21) top has blast pipe (25), two valve (28) are installed to the inner chamber of returning word venturi tube (21), and two valve (28) are located the both sides of intake pipe (1).

2. A catalytic combustion exhaust gas treatment device in accordance with claim 1, wherein: the filtering mechanism (2) further comprises two first connecting pipes (23) fixedly communicated with the inner cavity of the square-shaped pipe (21), the two first valves (28) are located between the two first connecting pipes (23), one ends, far away from the square-shaped pipe (21), of the two first connecting pipes (23) are fixedly communicated with the water tanks (27), and the inner top walls of the two water tanks (27) are fixedly communicated with the exhaust pipes (29).

3. A catalytic combustion exhaust gas treatment device in accordance with claim 2, wherein: and a one-way valve (24) is arranged in each connecting pipe I (23).

4. A catalytic combustion exhaust gas treatment device in accordance with claim 2, wherein: and the inner bottom wall of each water tank (27) is fixedly communicated with a second connecting pipe (26), and a second valve (20) is arranged in the second connecting pipe (26).