Gas collecting device for waste gas treatment

Abstract

The utility model provides a gas collecting device for waste gas treatment, which belongs to the technical field of organic waste gas treatment and comprises a filter box body and an air inlet pipeline, a first fan is arranged behind the air inlet pipeline, a downwind pipeline is arranged at one end of the first fan and penetrates through the top wall of the filter box body to enter the filter box body, and a downwind plate is vertically arranged at the rear part of the filter box body. A plurality of filter plates are horizontally arranged in front of the downwind plate, a filter cotton layer is arranged behind the filter box body, an air outlet box body is arranged behind the filter cotton layer, an air outlet pipeline is arranged below the air outlet box body, and waste gas can be sucked into the downwind pipeline through the air inlet pipeline and the air inlet connecting pipe by starting the first fan, so that the waste gas enters the filter box body; waste gas is subjected to primary filtration through a plurality of filter plates, the wind direction is changed through a downwind plate so that the waste gas can enter and exit from a filter cotton layer for secondary filtration and enter an air outlet box body, a second fan is started to extract the waste gas in the air outlet box body into an exhaust pipeline through an air outlet pipeline, and a second valve is opened and closed to control the waste gas to enter the next procedure.

Description

Technical Field

[0001] The utility model relates to the technical field of organic waste gas treatment, in particular to a gas collecting device for waste gas treatment. Background Art

[0002] As we all know, organic waste gas is generated during the industrial production process. In order to avoid harm to the human body and the environment, the organic waste gas needs to be treated. Before treatment, the organic waste gas must be collected, and a gas collection device is needed during the collection.

[0003] Most existing gas collecting devices will directly filter the extracted exhaust gas, which will increase the workload of the recovery and filtration equipment, thereby reducing the life of the recovery and filtration equipment. It is then necessary to coarsely filter the extracted exhaust gas and recycle the exhaust gas before discharging it into the recovery and filtration equipment. In order to solve the above problems, a gas collecting device for exhaust gas treatment is proposed to solve the above problems. Utility Model Content

[0004] In view of this, the utility model provides an air collecting device for waste gas treatment, which can start the first fan to draw the waste gas into the downwind duct through the air inlet duct and the air inlet connecting pipe, and then let the waste gas enter the filter box, filter the waste gas once through a plurality of filter plates, and then change the wind direction through the downwind plate to make the waste gas pass through the filter cotton layer for secondary filtration and enter the air outlet box, start the second fan to draw the waste gas in the air box into the exhaust duct through the air outlet duct, and open and close the second valve to control the waste gas to enter the next process.

[0005] In order to solve the above technical problems, the utility model provides an air collecting device for waste gas treatment, including a filter box and an air inlet duct, a first fan is provided at the rear of the air inlet duct, a downwind duct is provided at one end of the first fan, the downwind duct passes through the top wall of the filter box and enters the filter box, a downwind plate is vertically provided at the rear of the filter box, a plurality of filter plates are horizontally provided in front of the downwind plate, a filter cotton layer is provided at the rear of the filter box, an air outlet box is provided behind the filter cotton layer, and an air outlet duct is provided below the air outlet box.

[0006] A first valve for opening and closing the air inlet duct is provided at the front end of the air inlet duct, a connecting flange for connecting the air inlet duct and the air inlet connecting pipe is provided at the rear end of the air inlet duct, and a pipe bracket for supporting the air inlet duct is provided at the bottom of the air inlet duct.

[0007] An air inlet connecting pipe for connecting the first fan with the air inlet duct is provided at the front end of the first fan, and the front end of the air inlet connecting pipe is connected to the connecting flange.

[0008] A first base for supporting and fixing the first fan is provided at the bottom of the first fan, and the bottom of the first base is fixed to the top of the filter box.

[0009] An upper fixing frame is provided at the top of the downwind board for fixing the top of the downwind board and the filter box, and the top of the upper fixing frame is fixed to the top wall of the filter box. A lower fixing frame is provided at the bottom of the downwind board for fixing the bottom of the downwind board and the filter box, and both ends of the lower fixing frame are fixed to the inner wall of the filter box.

[0010] A first fixing frame is provided on one side of the filter plate for connecting one side of the filter plate with the filter box, and the first fixing frame is fixed to the inner wall of the filter box. A second fixing frame is provided on the other side of the filter plate for connecting the other side of the filter plate with the filter box, and the second fixing frame is fixed to the front of the downwind plate.

[0011] The filter cotton layer is connected with the air outlet box body, and an air outlet for connecting the air outlet box body with the air outlet duct is arranged at the bottom of the air outlet box body, and an air outlet duct for circulating the exhaust gas after coarse filtration is arranged in the air outlet.

[0012] A second fan for extracting waste gas from the bellows body into the exhaust duct is provided at the rear end of the air outlet duct, an exhaust duct for discharging waste gas into the next process is provided at one end of the second fan, a second valve for opening and closing the exhaust duct is provided at the rear end of the exhaust duct, a second base for fixing and supporting the second fan is provided at the bottom of the second fan, and a pipe bracket for fixing and supporting the air outlet duct is provided at the bottom of the air outlet duct.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. Start the first fan, and the exhaust gas is drawn into the downwind duct through the air inlet duct and the air inlet connecting pipe, and then the exhaust gas enters the filter box, and is filtered once by several filter plates. The wind direction is changed by the downwind plate to make the exhaust gas pass through the filter cotton layer for secondary filtration and enter the air outlet box. Finally, start the second fan to extract the exhaust gas in the air box through the air outlet duct to the exhaust duct, and control the exhaust gas to enter the next process by opening and closing the second valve, and then coarsely filter the extracted exhaust gas before discharging it into the recovery and filtration equipment, which increases the life of the recovery and filtration equipment and also improves the quality of the recovered exhaust gas.

[0015] 2. A filter cotton layer for secondary filtering of exhaust gas is provided behind the filter box, and an air outlet box for temporarily storing the filtered exhaust gas is provided behind the filter cotton layer, which improves the quality of the coarsely filtered exhaust gas and reduces the workload of the recovery and filtering equipment.

[0016] 3. A pipe bracket for supporting the air inlet duct is provided at the bottom of the air inlet duct, and a pipe bracket for fixing and supporting the air outlet duct is provided at the bottom of the air outlet duct, thereby improving the supporting capacity of the two air ducts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of a gas collecting device for waste gas treatment according to the utility model;

[0018] Figure 2 It is a side view structural schematic diagram of the utility model;

[0019] Figure 3 It is a rear cross-sectional view of the utility model;

[0020] Figure 4 It is a side sectional view of the utility model.

[0021] Explanation of the reference numerals: 100, filter box; 101, air inlet duct; 102, first fan; 103, downwind duct; 104, first valve; 105, connecting flange; 106, duct bracket; 107, air inlet connecting pipe; 108, first base; 200, downwind plate; 201, filter plate; 202, filter cotton layer; 203, upper fixing frame; 204, lower fixing frame; 205, first fixing frame; 206, second fixing frame; 300, air outlet box; 301, air outlet duct; 302, air outlet; 303, second fan; 304, exhaust duct; 305, second valve; 306, second base. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0023] like Figure 1-4 As shown: This embodiment provides an air collecting device for waste gas treatment, including a filter box 100 and an air inlet duct 101. A first fan 102 for extracting waste gas in the air inlet duct 101 is provided at the rear of the air inlet duct 101. A downwind duct 103 for supplying waste gas into the filter box 100 is provided at one end of the first fan 102. The downwind duct 103 penetrates the top wall of the filter box 100 and enters the filter box 100. A vertical air filter is provided at the rear of the filter box 100 for blocking the waste gas from flowing directly into the filter box 100. A downwind plate 200 is provided for circulation, and the downwind plate 200 allows the exhaust gas to flow into the exhaust box 300 from the bottom of the filter box 100. A plurality of filter plates 201 for coarsely filtering the exhaust gas are horizontally arranged in front of the downwind plate 200. A filter cotton layer 202 for secondary filtering of the exhaust gas is arranged behind the filter box 100. An exhaust box 300 for temporarily storing the filtered exhaust gas is arranged behind the filter cotton layer 202. An exhaust duct 301 for the exhaust gas to flow into and out of the exhaust box 300 is arranged below the exhaust box 300.

[0024] When in use, start the first fan 102, and the exhaust gas is drawn into the downwind duct 103 through the air inlet duct 101 and the air inlet connecting pipe 107, and then the exhaust gas enters the filter box 100, and is filtered once by a number of filter plates 201. The wind direction is changed by the downwind plate 200 to allow the exhaust gas to pass through the filter cotton layer 202 for secondary filtration and enter the air outlet box 300. Finally, start the second fan 303 to extract the exhaust gas in the air outlet box 300 into the exhaust duct 304 through the air outlet duct 301, and control the exhaust gas to enter the next process by opening and closing the second valve 305.

[0025] This embodiment provides a gas collecting device for waste gas treatment,

[0026] like Figure 1 , 2 As shown: a first valve 104 for opening and closing the air inlet duct 101 is provided at the front end of the air inlet duct 101, and the air inlet duct 101 is sealedly connected to the first valve 104; a connecting flange 105 for connecting the air inlet duct 101 and an air inlet connecting pipe 107 is provided at the rear end of the air inlet duct 101, and the air inlet duct 101 is sealedly connected to the connecting flange 105; a pipe bracket 106 for supporting the air inlet duct 101 is provided at the bottom of the air inlet duct 101, and the pipe bracket 106 is fitted with the air inlet duct 101.

[0027] like Figure 1 , 2 As shown: an air inlet connecting pipe 107 for connecting the first fan 102 with the air inlet duct 101 is provided at the front end of the first fan 102, the air inlet connecting pipe 107 is connected to the air inlet duct 101 through a connecting flange 105, the front end of the air inlet connecting pipe 107 is sealedly connected to the connecting flange 105, and a first base 108 for supporting and fixing the first fan 102 is provided at the bottom of the first fan 102, the first fan 102 and the first base 108 are connected and fixed by bolts, and the bottom of the first base 108 is connected and fixed to the top of the filter box 100 by bolts.

[0028] like Figure 4 As shown: an upper fixing frame 203 for fixing the top of the downwind board 200 and the filter box 100 is provided on the top of the downwind board 200, and the downwind board 200 and the upper fixing plate are connected and fixed by bolts, and the top of the upper fixing frame 203 is connected and fixed to the inner top wall of the filter box 100 by angle irons and bolts, and a lower fixing frame 204 for fixing the bottom of the downwind board 200 and the filter box 100 is provided at the bottom of the downwind board 200, and the lower fixing frame 204 is connected and fixed to the downwind board 200 by bolts, and both ends of the lower fixing frame 204 are connected and fixed to the inner wall of the filter box 100 by angle irons and bolts.

[0029] like Figure 4As shown: a first fixing frame 205 for connecting one side of the filter plate 201 with the filter box 100 is provided on one side of the filter plate 201, the filter plate 201 and the first fixing frame 205 are connected and fixed by bolts, the first fixing frame 205 and the inner wall of the filter box 100 are connected and fixed by angle irons and bolts, and a second fixing frame 206 for connecting the other side of the filter plate 201 with the filter box 100 is provided on the other side of the filter plate 201, the filter plate 201 and the second fixing frame 206 are connected and fixed by bolts, and the second fixing frame 206 and the front of the downwind plate 200 are connected and fixed by angle irons and bolts.

[0030] like Figure 2 , 3 4: The filter cotton layer 202 is sealed and connected to the air outlet box 300, and the bottom of the air outlet box 300 is provided with an air outlet 302 for connecting the air outlet box 300 with the air outlet duct 301. The air outlet 302 is sealed and connected to the air outlet duct 301. The air outlet 302 is provided with an air outlet duct 301 for circulating the exhaust gas after coarse filtration. The rear end of the air outlet duct 301 is provided with a second fan 303 for extracting the exhaust gas in the air outlet box 300 into the exhaust duct 304. The second fan 303 is sealed and connected to the air outlet duct 301. One end of the second fan 303 is provided with a fan for discharging the exhaust gas into the exhaust duct 304. The exhaust duct 304 of the next process is sealed and connected to the second fan 303. The rear end of the exhaust duct 304 is provided with a second valve 305 for opening and closing the exhaust duct 304. The second valve 305 is sealed and connected to the exhaust duct 304. The bottom of the second fan 303 is provided with a second base 306 for fixing and supporting the second fan 303. The second fan 303 and the second base 306 are fixed with bolts. The bottom of the air outlet duct 301 is provided with a pipe bracket 106 for fixing and supporting the air outlet duct 301. The air outlet duct 301 fits well with the pipe bracket 106.

[0031] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A gas collecting device for waste gas treatment, characterized in that: The invention comprises a filter box (100) and an air inlet duct (101), wherein a first fan (102) is arranged at the rear of the air inlet duct (101), a downwind duct (103) is arranged at one end of the first fan (102), the downwind duct (103) passes through the top wall of the filter box (100) and enters the filter box (100), a downwind plate (200) is arranged vertically at the rear of the filter box (100), a plurality of filter plates (201) are arranged horizontally in front of the downwind plate (200), a filter cotton layer (202) is arranged at the rear of the filter box (100), an air outlet box (300) is arranged at the rear of the filter cotton layer (202), and an air outlet duct (301) is arranged below the air outlet box (300).

2. A gas collecting device for waste gas treatment as claimed in claim 1, characterized in that: A first valve (104) is provided at the front end of the air inlet duct (101), a connecting flange (105) is provided at the rear end of the air inlet duct (101), and a duct support (106) is provided at the bottom of the air inlet duct (101).

3. A gas collecting device for waste gas treatment as claimed in claim 2, characterized in that: An air inlet connecting pipe (107) is provided at the front end of the first fan (102), and the front end of the air inlet connecting pipe (107) is connected to the connecting flange (105).

4. A gas collecting device for waste gas treatment as claimed in claim 3, characterized in that: A first base (108) is provided at the bottom of the first fan (102), and the bottom of the first base (108) is fixed to the top of the filter box (100).

5. A gas collecting device for waste gas treatment as claimed in claim 4, characterized in that: An upper fixing frame (203) is provided at the top of the downwind plate (200), and the top of the upper fixing frame (203) is fixed to the inner top wall of the filter box (100). A lower fixing frame (204) is provided at the bottom of the downwind plate (200), and both ends of the lower fixing frame (204) are fixed to the inner wall of the filter box (100).

6. A gas collecting device for waste gas treatment as claimed in claim 5, characterized in that: A first fixing frame (205) is provided on one side of the filter plate (201), and the first fixing frame (205) is fixed to the inner wall of the filter box (100); a second fixing frame (206) is provided on the other side of the filter plate (201), and the second fixing frame (206) is fixed to the front of the downwind plate (200).

7. A gas collecting device for waste gas treatment as claimed in claim 6, characterized in that: The filter cotton layer (202) is in communication with the air outlet box (300), an air outlet (302) is provided at the bottom of the air outlet box (300), and the air outlet duct (301) is provided inside the air outlet (302).

8. A gas collecting device for waste gas treatment as claimed in claim 7, characterized in that: A second fan (303) is provided at the rear end of the air outlet duct (301); an exhaust duct (304) is provided at one end of the second fan (303); a second valve (305) is provided at the rear end of the exhaust duct (304); a second base (306) is provided at the bottom of the second fan (303); and the duct support (106) is provided at the bottom of the air outlet duct (301).

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