Hazardous waste solidification tail gas collecting and filtering device

Abstract

The utility model discloses a hazardous waste solidification tail gas collecting and filtering device which comprises an exhaust pipe, a first sealing plate is arranged on the right side of the exhaust pipe, a conveying pipe is arranged on the side, away from the exhaust pipe, of the first sealing plate, and the middle of the conveying pipe is in threaded connection with a connecting bolt. The surface of the exhaust pipe is movably sleeved with a sealing assembly. The first flange and the second flange are sleeved on the exhaust pipe and the conveying pipe respectively, the exhaust pipe, the conveying pipe, the first flange and the second flange are fixed through the connecting bolts, and the sealing cavity is formed between the first flange and the second flange through the first sealing ring, the second sealing plate and the second sealing ring. The air pressure in the sealing cavity is increased, the piston is pushed to slide in the detection pipeline, the adjusting rod and the connecting spring are extruded and contracted, and when the air pressure exceeds a preset value, the control button makes contact with the detection pipeline and is started, so that the alarm is controlled to work, and workers are prompted to conduct maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a hazardous waste solidified tail gas collection and filtering device. Background Art

[0002] Waste refers to emissions generated during chemical experiments that have essentially or completely lost their usefulness within a certain time and space, and cannot be recycled or reused. During the solidification process of hazardous waste, exhaust gases containing pollutants such as volatile organic compounds, odors, and toxic gases are generated. If these exhaust gases are released directly into the atmosphere without treatment, they will seriously pollute the environment and endanger human health. To ensure that exhaust emissions meet standards, the resulting exhaust gases are generally collected and treated.

[0003] During the process of collecting and treating exhaust gas, the exhaust pipe and the delivery pipe are connected and fixed by connecting bolts, and a sealing ring is used to ensure the sealing of the connection. However, after a period of use, the sealing effect of the connection is likely to deteriorate, resulting in gas leakage during the delivery process, posing a certain threat to the external environment. Utility Model Content

[0004] The purpose of the utility model is to provide a hazardous waste solidified tail gas collection and filtering device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hazardous waste solidified tail gas collection and filtering device, comprising an exhaust pipe, a first sealing plate is provided on the right side of the exhaust pipe, a delivery pipe is provided on the side of the first sealing plate away from the exhaust pipe, a connecting bolt is threadedly connected to the middle part of the delivery pipe, and a sealing assembly is movably sleeved on the surface of the exhaust pipe; the sealing assembly comprises a first flange, a first sealing ring is fixedly connected to the inner wall of the first flange, a second sealing plate is provided on the side of the first flange close to the delivery pipe, a second flange is provided on the side of the second sealing plate away from the first flange, a second sealing ring is fixedly connected to the inner wall of the second flange, a detection pipe is fixedly connected to the inner wall of the detection pipe, a piston is slidably connected to the inner wall of the detection pipe, an adjusting rod is fixedly connected to the side of the piston away from the second flange, a connecting spring is movably sleeved on the surface of the adjusting rod, a control button is fixedly connected to the side of the adjusting plate away from the piston, and an alarm is fixedly connected to the side of the first flange close to the detection pipe.

[0006] As a further preferred embodiment of the present technical solution, a mounting groove is provided on the side where the first flange and the second flange are close to each other, the second sealing plate is located inside the mounting groove, the second flange and the second sealing ring are located on the surface of the conveying pipe, the control button is in contact with the inner wall of the detection pipe, and the control button is electrically connected to the alarm.

[0007] As a further preferred embodiment of the present technical solution, a processing box is fixedly connected to the side of the delivery pipe away from the exhaust pipe, a filter is slidably connected to the inner wall of the processing box, an air intake channel is fixedly connected to the inner wall of the processing box, an air intake hole is provided in the middle of the air intake channel, a partition is fixedly connected to the top end of the air intake channel, and an air outlet hole is provided in the middle of the partition.

[0008] As a further preferred embodiment of the present technical solution, the filter is located above the air inlet channel, a processing chamber is formed between the air inlet channel and the processing box, and the air inlet hole, the processing chamber and the air outlet hole form an air transmission channel.

[0009] As a further preferred embodiment of the present technical solution, a spray plate is fixedly connected to the inner wall of the treatment box, a feed pipe is fixedly connected to the side of the spray plate away from the air inlet channel, a sewage pipe is fixedly connected to the right side of the treatment box, and an activated carbon layer is slidably connected to the inner wall of the treatment box.

[0010] As a further preferred embodiment of the present technical solution, there are four spray plates, and a plurality of atomizing nozzles are provided on one side of the four spray plates close to the air inlet channel. Solenoid valves are provided inside the feed pipe and the drain pipe, and the activated carbon layer is located above the air inlet channel.

[0011] As a further preferred embodiment of the present technical solution, a box cover is fixedly connected to the top of the processing box, an exhaust port is opened on the top of the box cover, and a dustproof net is fixedly connected to the inner wall of the exhaust port.

[0012] The utility model provides a hazardous waste solidified tail gas collection and filtration device, which has the following beneficial effects:

[0013] (1) The utility model is to respectively put the first flange and the second flange on the exhaust pipe and the delivery pipe, fix the exhaust pipe and the delivery pipe, the first flange and the second flange with connecting bolts, and form a sealed cavity between the first flange and the second flange through the first sealing ring, the second sealing plate and the second sealing ring. When there is exhaust gas leakage, the air pressure in the sealed cavity increases, and pushes the piston to slide in the detection pipe, and the adjustment rod and the connecting spring are squeezed and contracted. When the air pressure exceeds the preset value, the control button contacts the detection pipe and starts, thereby controlling the alarm to work and prompt the staff to perform maintenance.

[0014] (2) The utility model transports the exhaust gas to the treatment box through a delivery pipe, performs preliminary filtration on the exhaust gas through a filter screen, blocks foreign matter and dust in the exhaust gas on the filter screen, and the exhaust gas enters the air inlet channel and enters the treatment chamber through the air inlet hole. The chemical agent is pumped into the spray plate by a water pump and sprayed out through an atomizing nozzle, thereby absorbing and treating the exhaust gas. The treated exhaust gas passes through the activated carbon layer again, thereby achieving secondary treatment and increasing the treatment effect of the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the processing box of the present utility model;

[0017] Figure 3 This is a schematic diagram of the air intake channel and baffle structure of the utility model;

[0018] Figure 4 This is a schematic structural diagram of the first flange and the second flange of the utility model;

[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the detection pipeline of the present utility model.

[0020] In the figure: 1. Exhaust pipe; 2. First sealing plate; 3. Delivery pipe; 4. Connecting bolt; 5. Sealing assembly; 501. First flange; 502. First sealing ring; 503. Second sealing plate; 504. Second flange; 505. Second sealing ring; 506. Detection pipe; 507. Piston; 508. Adjusting rod; 509. Connecting spring; 510. Control button; 511. Alarm; 6. Processing box; 7. Filter; 8. Air inlet channel; 9. Air inlet hole; 10. Partition; 11. Air outlet hole; 12. Spray plate; 13. Feed pipe; 14. Drain pipe; 15. Activated carbon layer; 16. Box cover; 17. Exhaust port; 18. Dust net. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1 and Figure 5As shown, in this embodiment, a hazardous waste solidified tail gas collection and filtration device includes an exhaust pipe 1, a first sealing plate 2 is provided on the right side of the exhaust pipe 1, a delivery pipe 3 is provided on the side of the first sealing plate 2 away from the exhaust pipe 1, a connecting bolt 4 is threadedly connected to the middle part of the delivery pipe 3, and a sealing component 5 is movably sleeved on the surface of the exhaust pipe 1; the sealing component 5 includes a first flange 501, a first sealing ring 502 is fixedly connected to the inner wall of the first flange 501, a second sealing plate 503 is provided on the side of the first flange 501 close to the delivery pipe 3, and a second sealing plate 503 is provided on the side away from the first flange 501. A second flange 504 is provided, and a second sealing ring 505 is fixedly connected to the inner wall of the second flange 504. A detection pipe 506 is fixedly connected to the side of the first flange 501 away from the second flange 504, and a piston 507 is slidably connected to the inner wall of the detection pipe 506. An adjusting rod 508 is fixedly connected to the side of the piston 507 away from the second flange 504, and a connecting spring 509 is movably sleeved on the surface of the adjusting rod 508. A control button 510 is fixedly connected to the side of the adjusting plate away from the piston 507, and an alarm 511 is fixedly connected to the side of the first flange 501 close to the detection pipe 506.

[0023] By respectively putting the first flange 501 and the second flange 504 on the exhaust pipe 1 and the delivery pipe 3, and fixing the exhaust pipe 1 and the delivery pipe 3, the first flange 501 and the second flange 504 with the connecting bolts 4, and forming a sealed cavity between the first flange 501 and the second flange 504 through the first sealing ring 502, the second sealing plate 503 and the second sealing ring 505, when there is exhaust gas leakage, the air pressure in the sealed cavity increases, and pushes the piston 507 to slide in the detection pipe 506, and the adjusting rod 508 and the connecting spring 509 are squeezed and contracted. When the air pressure exceeds the preset value, the control button 510 contacts the detection pipe 506 and starts, thereby controlling the alarm 511 to work, so as to prompt the staff to perform maintenance.

[0024] An installation groove is provided on the side where the first flange 501 and the second flange 504 are close to each other, the second sealing plate 503 is located inside the installation groove, the second flange 504 and the second sealing ring 505 are located on the surface of the conveying pipe 3, the control button 510 is in contact with the inner wall of the detection pipe 506, and the control button 510 and the alarm 511 are electrically connected.

[0025] The side of the delivery pipe 3 away from the exhaust pipe 1 is fixedly connected to the processing box 6, the inner wall of the processing box 6 is slidably connected to the filter screen 7, the inner wall of the processing box 6 is fixedly connected to the air intake channel 8, the middle of the air intake channel 8 is provided with an air intake hole 9, the top of the air intake channel 8 is fixedly connected to the partition 10, the middle of the partition 10 is provided with an air outlet hole 11.

[0026] The filter screen 7 is located above the air inlet channel 8. A processing chamber is formed between the air inlet channel 8 and the processing box 6. The air inlet hole 9, the processing chamber and the air outlet hole 11 form an air transmission channel.

[0027] A spray plate 12 is fixedly connected to the inner wall of the treatment box 6, a feed pipe 13 is fixedly connected to the side of the spray plate 12 away from the air inlet channel 8, a sewage pipe 14 is fixedly connected to the right side of the treatment box 6, and an activated carbon layer 15 is slidably connected to the inner wall of the treatment box 6.

[0028] The exhaust gas is transported to the treatment box 6 through the delivery pipe 3, and the exhaust gas is initially filtered through the filter 7 to block foreign matter and dust in the exhaust gas on the filter 7. The exhaust gas enters the air inlet channel 8 and enters the treatment chamber through the air inlet hole 9. The chemical agent is pumped into the spray plate 12 by the water pump and sprayed out through the atomizing nozzle, so as to absorb and treat the exhaust gas. The treated exhaust gas passes through the activated carbon layer 15 again, thereby achieving secondary treatment and increasing the treatment effect of the exhaust gas.

[0029] There are four spray plates 12 , and a plurality of atomizing nozzles are provided on one side of the four spray plates 12 close to the air inlet channel 8 . Solenoid valves are provided inside the feed pipe 13 and the drain pipe 14 , and the activated carbon layer 15 is located above the air inlet channel 8 .

[0030] A box cover 16 is fixedly connected to the top of the processing box 6 . An exhaust port 17 is provided on the top of the box cover 16 . A dustproof net 18 is fixedly connected to the inner wall of the exhaust port 17 .

[0031] After the exhaust gas treatment is completed, the purified exhaust gas is discharged to the outside through the exhaust port 17, and the dust and foreign matter from the outside can be effectively blocked by the dustproof net 18. After the device has been used for a period of time, the box cover 16 is opened to clean the filter net 7 and replace the activated carbon layer 15.

[0032] The utility model provides a hazardous waste solidified tail gas collection and filtration device, the specific working principle is as follows:

[0033] When in use, the first flange 501 and the second flange 504 are respectively put on the exhaust pipe 1 and the delivery pipe 3, and the exhaust pipe 1 and the delivery pipe 3, the first flange 501 and the second flange 504 are fixed with the connecting bolts 4. The sealing between the exhaust pipe 1 and the delivery pipe 3 is ensured by the first sealing plate 2, and a sealed cavity is formed between the first flange 501 and the second flange 504 by the first sealing ring 502, the second sealing plate 503 and the second sealing ring 505. When the exhaust gas is collected and processed, the exhaust gas is transported to the processing box 6 through the delivery pipe 3, and the exhaust gas is initially filtered through the filter screen 7 to block foreign matter and dust in the exhaust gas on the filter screen 7. The exhaust gas enters the intake channel 8 And enter the treatment chamber through the air inlet 9, the chemical agent is pumped into the spray plate 12 by the water pump, and is sprayed out through the atomizing nozzle, thereby absorbing and treating the exhaust gas. The treated exhaust gas passes through the activated carbon layer 15 again, thereby achieving secondary treatment and increasing the exhaust gas treatment effect. When there is exhaust gas leakage at the connection between the exhaust pipe 1 and the delivery pipe 3, the air pressure in the sealed chamber increases, and pushes the piston 507 to slide in the detection pipe 506, and the adjustment rod 508 and the connecting spring 509 are squeezed and contracted. When the air pressure exceeds the preset value, the control button 510 contacts and starts with the detection pipe 506, thereby controlling the alarm 511 to work, so as to prompt the staff to perform maintenance.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hazardous waste solidified tail gas collection and filtration device, comprising an exhaust pipe (1), characterized in that: A first sealing plate (2) is provided on the right side of the exhaust pipe (1), a delivery pipe (3) is provided on the side of the first sealing plate (2) away from the exhaust pipe (1), a connecting bolt (4) is threadedly connected to the middle of the delivery pipe (3), and a sealing assembly (5) is movably sleeved on the surface of the exhaust pipe (1); the sealing assembly (5) includes a first flange (501), a first sealing ring (502) is fixedly connected to the inner wall of the first flange (501), a second sealing plate (503) is provided on the side of the first flange (501) close to the delivery pipe (3), and a second flange (504) is provided on the side of the second sealing plate (503) away from the first flange (501), A second sealing ring (505) is fixedly connected to the inner wall of the second flange (504); a detection pipe (506) is fixedly connected to the side of the first flange (501) away from the second flange (504); a piston (507) is slidably connected to the inner wall of the detection pipe (506); an adjusting rod (508) is fixedly connected to the side of the piston (507) away from the second flange (504); a connecting spring (509) is movably sleeved on the surface of the adjusting rod (508); a control button (510) is fixedly connected to the side of the adjusting rod away from the piston (507); and an alarm (511) is fixedly connected to the side of the first flange (501) close to the detection pipe (506).

2. The hazardous waste solidified tail gas collection and filtration device according to claim 1, characterized in that: A mounting groove is provided on one side where the first flange (501) and the second flange (504) are close to each other, the second sealing plate (503) is located inside the mounting groove, the second flange (504) and the second sealing ring (505) are located on the surface of the delivery pipe (3), the control button (510) is in contact with the inner wall of the detection pipe (506), and the control button (510) is electrically connected to the alarm (511).

3. The hazardous waste solidified tail gas collection and filtration device according to claim 1, characterized in that: The side of the delivery pipe (3) away from the exhaust pipe (1) is fixedly connected to a processing box (6), the inner wall of the processing box (6) is slidably connected to a filter screen (7), the inner wall of the processing box (6) is fixedly connected to an air intake channel (8), an air intake hole (9) is provided in the middle of the air intake channel (8), a partition (10) is fixedly connected to the top of the air intake channel (8), and an air outlet hole (11) is provided in the middle of the partition (10).

4. The hazardous waste solidified tail gas collection and filtration device according to claim 3, characterized in that: The filter screen (7) is located above the air inlet channel (8), a processing chamber is formed between the air inlet channel (8) and the processing box (6), and the air inlet hole (9), the processing chamber and the air outlet hole (11) form an air transmission channel.

5. The hazardous waste solidified tail gas collection and filtration device according to claim 3, characterized in that: The inner wall of the treatment box (6) is fixedly connected to a spray plate (12), a side of the spray plate (12) away from the air inlet channel (8) is fixedly connected to a feed pipe (13), the right side of the treatment box (6) is fixedly connected to a sewage pipe (14), and the inner wall of the treatment box (6) is slidably connected to an activated carbon layer (15).

6. The hazardous waste solidified tail gas collection and filtration device according to claim 5, characterized in that: There are four spray plates (12), and a plurality of atomizing nozzles are provided on one side of the four spray plates (12) close to the air inlet channel (8). Solenoid valves are provided inside the feed pipe (13) and the drain pipe (14), and the activated carbon layer (15) is located above the air inlet channel (8).

7. The hazardous waste solidified tail gas collection and filtration device according to claim 3, characterized in that: The top of the processing box (6) is fixedly connected to a box cover (16), the top of the box cover (16) is provided with an exhaust port (17), and the inner wall of the exhaust port (17) is fixedly connected to a dustproof net (18).

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