CN216677364U

CN216677364U - Waste gas filtering device

Info

Publication number: CN216677364U
Application number: CN202122906943.9U
Authority: CN
Inventors: 张胡斌; 陈欣; 范飞
Original assignee: Jiaxing Libeide New Materials Technology Co ltd
Current assignee: Jiaxing Libeide New Materials Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-07
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a waste gas filtering device, comprising: the air inlet mechanism comprises a vacuum air bag and a claw type vacuum pump, and the vacuum air bag is connected with the input end of the claw type vacuum pump; the air delivery mechanism comprises a first air delivery pipe, an induced draft fan and a second air delivery pipe, one side face of the first air delivery pipe is connected with the output end of the claw type vacuum pump, the input end of the induced draft fan is connected with the tail end of the first air delivery pipe, and the front end of the second air delivery pipe is connected with the output end of the induced draft fan; the filtering tank comprises a tank body, a filter element and an exhaust pipe, wherein the lower part of the tank body is connected with the tail end of the second gas conveying pipe, the filter element is arranged in the tank body, the exhaust pipe is connected above the tank body, and the upper end of the exhaust pipe is communicated with the outside. The utility model has the beneficial effects that: the exhaust gas generated by the equipment is pumped out by the claw type vacuum pump, and compared with a water circulation type, the exhaust gas circulation type vacuum pump has the advantages of less pollution and more resource saving.

Description

Waste gas filtering device

Technical Field

The utility model belongs to the technical field of chemical waste gas treatment, and particularly relates to a waste gas filtering device.

Background

In the chemical production process of high polymer materials, a large amount of waste gas can be generated, and the waste gas needs to be specially treated, so that the environment pollution and the human body injury are avoided. Most among the prior art is applied to hydrologic cycle exhaust-gas treatment, adsorbs waste gas, but the water that has adsorbed waste gas can receive the pollution, is difficult to handle, does not conform to the environmental protection requirement.

In summary, in order to solve the existing technical problems, the utility model designs the exhaust gas filtering device which has a simple structure, can remove various components in the exhaust gas and meets the environmental protection requirement.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art and designs the waste gas filtering device which has a simple structure, can remove various components in waste gas and meets the environmental protection requirement.

The purpose of the utility model can be realized by the following technical scheme:

an exhaust gas filtering device comprising:

the air inlet mechanism comprises a vacuum air bag and a claw type vacuum pump, and the vacuum air bag is connected with the input end of the claw type vacuum pump;

the air delivery mechanism comprises a first air delivery pipe, an induced draft fan and a second air delivery pipe, one side face of the first air delivery pipe is connected with the output end of the claw type vacuum pump, the input end of the induced draft fan is connected with the tail end of the first air delivery pipe, and the front end of the second air delivery pipe is connected with the output end of the induced draft fan;

the filtering tank comprises a tank body, a filter element and an exhaust pipe, wherein the lower part of the tank body is connected with the tail end of the second gas conveying pipe, the filter element is arranged in the tank body, the exhaust pipe is connected above the tank body, and the upper end of the exhaust pipe is communicated with the outside.

Furthermore, the air inlet mechanism is provided with a plurality of air inlet mechanisms.

Furthermore, a liquid discharge pipe which faces downwards vertically is arranged in the middle of the gas conveying pipe, and a valve is arranged at the lower end of the liquid discharge pipe.

Furthermore, a downward impurity discharging opening is formed in the middle of the second gas conveying pipe, and an impurity bag is sleeved outside the impurity discharging opening.

Furthermore, the tank body comprises a tank body and a tank cover, and a connecting flange is arranged between the tank body and the tank cover.

Furthermore, the side of the exhaust pipe is provided with an observation door.

Furthermore, a rain cover is arranged at an opening at the upper end of the exhaust pipe.

Compared with the prior art, the utility model has reasonable structure and arrangement: 1. waste gas generated by equipment is pumped out by the claw type vacuum pump, and compared with a water circulation type, the device has the advantages of less pollution and more resource saving; 2. during the gas transmission process, condensed liquid and solid small particles contained in the waste gas can be removed, the filter element in the filter pipe behind the flow can be protected, and the service life of the filter element is prolonged; 3. the filter element is used for filtering harmful substances in the waste gas, and compared with a water circulation type filter, the filter element is easier to treat collected substances and meets the requirement of environmental protection.

Drawings

FIG. 1 is a schematic view of the exhaust gas filtering apparatus;

FIG. 2 is a schematic view of a filtration tank;

Detailed Description

The technical solution of the present invention is further illustrated by the following examples. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

an exhaust gas filtering device comprising:

the air inlet mechanism 1 comprises a vacuum air bag 11 and a claw type vacuum pump 12, wherein the vacuum air bag 11 is connected with the input end of the claw type vacuum pump 12;

the air conveying mechanism 2 comprises a first air conveying pipe 21, an induced draft fan 22 and a second air conveying pipe 23, the side face of the first air conveying pipe 21 is connected with the output end of the claw type vacuum pump 12, the input end of the induced draft fan 22 is connected with the tail end of the first air conveying pipe 21, and the front end of the second air conveying pipe 23 is connected with the output end of the induced draft fan 22;

filter tank 3, including jar body 31, filter core 32, blast pipe 33, jar body 31 below and the end-to-end connection of gas-supply pipe two 23, filter core 32 sets up in jar body 31, blast pipe 33 is connected in jar body 31 top, blast pipe 33 upper end and external intercommunication.

Specifically, the waste gas generated by the production equipment is firstly introduced into the vacuum air bag 11, and then the waste gas is pumped out by the claw type vacuum pump 12 to the gas transmission mechanism pump 2, compared with the prior art in which the waste gas is pumped out by the claw type vacuum pump 12 in a water circulation mode, the waste gas is more environment-friendly, and the water resource cannot be polluted; waste gas is pumped into the first gas conveying pipe 21 by the claw type vacuum pump 12 and flows to the induced draft fan 22, the induced draft fan 22 blows the waste gas to provide forward flowing power for the waste gas, and the waste gas flows to the filter tank 3 from the second gas conveying pipe 23; after the exhaust gas flows into the canister 3, the harmful substances in the exhaust gas are filtered and catalyzed by the filter element 32, and are attached to the filter element 32, and the gas passing through the filter element 32 meets the emission standard and is discharged from the exhaust pipe 33 upward and to the outside.

Example two:

the second embodiment is different from the first embodiment in that the air intake mechanism 1 is provided in a plurality of numbers.

Specifically, a plurality of production equipment can discharge waste gas to the air inlet mechanisms 1 corresponding to each other, and the air inlet mechanisms 1 pump the waste gas into the air delivery pipe 21 in a centralized manner for unified treatment.

Example three:

the difference between the third embodiment and the first embodiment is that a vertical downward liquid discharge pipe 211 is arranged in the middle of the first gas conveying pipe 21, and a valve 212 is arranged at the lower end of the liquid discharge pipe 211.

Specifically, the exhaust gas just discharged from the production equipment has high temperature and moisture, and can be gradually cooled after being introduced into the first air delivery pipe 21, the moisture is condensed into liquid and remains in the first air delivery pipe 21, and the liquid can flow to the liquid discharge pipe 211 and be stored in the liquid discharge pipe due to gravity; when the waste gas treatment is carried out, the valve 212 is closed to keep the tightness of the first gas transmission pipe 21, and after the waste gas treatment is finished, the valve 212 is opened to discharge liquid.

Example four:

the difference between the fourth embodiment and the first embodiment is that a downward impurity discharging port 231 is arranged in the middle of the second gas conveying pipe 23, and an impurity bag 232 is sleeved outside the impurity discharging port 231.

Concretely, some small particle impurity can smuggle secretly in the waste gas, is blown to filtering tank 3 together, when waste gas flowed through gas-supply pipe two 23, small particle impurity can fall into impurity bag 232 from row miscellaneous mouth 231 because of gravity, avoids being blown into filtering tank 3 and blocks up filter core 32, has improved filter core 32's life

Example five:

the difference between the fifth embodiment and the first embodiment is that the tank body 31 comprises a tank body 311 and a tank cover 312, and a connecting flange 313 is arranged between the tank body 311 and the tank cover 312.

Specifically, when the filter element 32 needs to be replaced, the connection flange 313 can be removed, and the lid 312 can be removed from the can body 311 to take out the filter element 32 inside.

Example five:

the fifth embodiment is different from the first embodiment in that a viewing door 331 is provided on a side surface of the exhaust duct 33.

And a rainproof cover 332 is arranged at an opening at the upper end of the exhaust pipe 33.

Specifically, the observation door 331 can be opened to observe the conditions inside the filter tank 3; the rain cover 332 can prevent rainwater or other impurities from falling into the exhaust pipe 33 to block and damage the filter element 32.

What has been described herein is merely a preferred embodiment of the utility model, and the scope of the utility model is not limited thereto. Modifications, additions, or substitutions by those skilled in the art to the specific embodiments described herein are intended to be within the scope of the utility model.

Claims

1. An exhaust gas filtering device, comprising:

2. An exhaust gas filtering device according to claim 1, wherein said air intake means is provided in plurality.

3. The exhaust gas filtering device as claimed in claim 1, wherein a drain pipe is provided vertically downward at a middle portion of the gas pipe, and a valve is provided at a lower end of the drain pipe.

4. The exhaust gas filtering device as claimed in claim 1, wherein a trash discharging port is formed in the middle of the second air delivery pipe and faces downwards, and a foreign matter bag is sleeved outside the trash discharging port.

5. The exhaust gas filtering device according to claim 1, wherein the tank body comprises a tank body and a tank cover, and a connecting flange is arranged between the tank body and the tank cover.

6. The exhaust gas filtering device according to claim 1, wherein a viewing door is provided on a side of the exhaust pipe.

7. The exhaust gas filtering device according to claim 1, wherein a rain cover is provided at the opening at the upper end of the exhaust pipe.