Waste gas treatment device

Abstract

The present application relates to the technical field of waste gas treatment, and discloses a waste gas treatment device, including a treatment cylinder, a rotating cylinder coaxially arranged in the treatment cylinder, and a power member for driving the rotating cylinder to rotate, the treatment cylinder is provided with a cover body for covering the treatment cylinder; the outer wall of the rotating cylinder is provided with a partition, and a plurality of the partitions are evenly arranged along the circumference of the rotating cylinder, the side wall of the treatment cylinder is provided with an intake pipe and an exhaust pipe, the space between two adjacent partitions corresponding to the intake pipe is an intake cavity, the space between two adjacent partitions corresponding to the exhaust pipe is an exhaust cavity, and the space between the remaining partitions is a treatment cavity; the cover body is provided with a spray pipe corresponding to the treatment cavity. The present application can improve the treatment effect of waste gas.

Description

Technical Field

[0001] The present application relates to the technical field of environmental protection equipment, and in particular to an exhaust gas treatment device. Background Art

[0002] At present, the waste gas emitted by some chemical plants, steel mills, pharmaceutical plants, coking plants and oil refineries has a strong odor, seriously polluting the environment and affecting human health. Therefore, the waste gas needs to be treated in a certain way.

[0003] The existing Chinese patent document with authorization announcement number CN217016072U discloses a multi-media exhaust gas treatment device, including an equipment box, which is divided into multiple spaces by partitions, and each space is correspondingly provided with a spray plate, and a flow port is opened on the partition plate. One end of the equipment box is an air intake pipe, and the other end is an exhaust pipe, and spraying is performed in each corresponding space to treat the exhaust gas.

[0004] The exhaust gas enters from the air intake duct and is discharged from the exhaust duct. The exhaust gas can easily enter the next space directly from the flow port, so the effect of exhaust gas treatment is not good enough. Summary of the invention

[0005] In order to improve the exhaust gas treatment effect, the present application provides an exhaust gas treatment device.

[0006] This application adopts the following technical solutions: An exhaust gas treatment device comprises a treatment cylinder, a rotating cylinder coaxially arranged in the treatment cylinder, and a power member for driving the rotating cylinder to rotate, wherein the treatment cylinder is provided with a cover body for covering the treatment cylinder; a partition is provided on the outer wall of the rotating cylinder, and a plurality of the partitions are evenly arranged along the circumference of the rotating cylinder; an air intake pipe and an exhaust pipe are provided on the side wall of the treatment cylinder, a space between two adjacent partitions corresponding to the air intake pipe is an air intake cavity, a space between two adjacent partitions corresponding to the exhaust pipe is an exhaust cavity, and a space between the remaining partitions is a treatment cavity; a spray pipe corresponding to the treatment cavity is provided on the cover body; Through holes are spaced apart on the partitions, and a sliding plate is slidably provided on the outer wall of the rotating cylinder. The sliding plate slides along the circumferential direction of the rotating cylinder. The sliding plates are respectively located between two adjacent partitions, and a driving component for driving the sliding plates in the exhaust chamber and the processing chamber to slide in forward and reverse directions at the same time is provided on the cover body and the rotating cylinder, so that the sliding plate moves toward or away from the through hole.

[0007] By adopting the above technical solution, after the space between adjacent partitions is filled with waste gas, the rotating cylinder moves intermittently, so that the waste gas can be sprayed in the treatment chamber, and then enter the next position for another spray treatment after continuing to rotate, and finally discharged from the exhaust pipe. A sliding plate is slidably arranged between the partitions. When the sliding plate moves, the gas in the treatment chamber can enter the space between the partition and the sliding plate through the through hole. The sliding plate is reset to allow the gas to return to the original treatment chamber, thereby promoting the contact between the waste gas and the spray liquid and improving the treatment effect; while in the exhaust chamber, the sliding plate slides to squeeze the gas into the exhaust pipe for discharge.

[0008] Optionally, the driving assembly includes a rotating ring slidably mounted on the outer wall of the rotating cylinder, and a power source arranged on the cover body, the rotating ring slidably passes through the partition, and a clearance groove is opened on the rotating cylinder at a position between the two partitions, and the rotating ring is provided with a support rod passing through the clearance groove and connected to the power source, and the power source drives the rotating ring to rotate forward and reversely on the outer wall of the rotating cylinder through the support rod; a locking piece is arranged between the sliding plate and the support rod, and the locking piece can connect the sliding plate and the support rod together when the sliding plate is in the position of the processing chamber and the exhaust chamber, and the locking piece is in the position of the air inlet chamber, so that the sliding plate and the support rod are separated, so that when the rotating ring rotates, the sliding plates in the processing chamber and the exhaust chamber can be driven to rotate.

[0009] By adopting the above technical solution, the power source drives the rotating ring to rotate, thereby driving the sliding plate to move, while the position locking piece of the air inlet cavity does not connect the sliding plate and the support rod together, and the sliding plate at this position does not move.

[0010] Optionally, a sliding groove is provided on the outer wall of the rotating cylinder, and a sliding block is arranged on the side wall of the sliding plate. The sliding plate slides on the side wall of the rotating cylinder through the cooperation of the sliding block and the sliding groove. The sliding groove is located above the give-way groove, and a connecting groove is provided between the sliding groove and the give-way groove. The locking piece passes through the connecting groove to connect the sliding block and the support rod.

[0011] By adopting the above technical solution, the sliding plate slides on the outer wall of the rotating cylinder through the sliding groove, thereby realizing the sliding of the sliding plate.

[0012] Optionally, the locking member includes a locking rod slidably arranged in the sliding block, a first slot starting from the upper top surface of the sliding groove, and a second slot starting from the upper surface of the support rod; a slot is provided on the inner wall of the rotating cylinder, the slot is communicated with the connecting groove, and a reset member is provided on the inner wall of the rotating cylinder, and the reset member is connected to the locking rod; the cover body is provided with a trigger member, and when it is at the position of the processing chamber and the exhaust chamber, the trigger member can drive the reset member to move downward, and drive the locking rod to move downward, so that the locking rod is inserted into the second slot, and at the position of the air inlet chamber, the reset member resets and drives the locking rod to slide upward, and the upper end of the locking rod is inserted into the first slot.

[0013] By adopting the above technical solution, the locking rod is connected to the first slot or the second slot to achieve the connection between the sliding plate and the support rod.

[0014] Optionally, the reset member includes a connecting rod fixed to the outer wall of the locking rod, a connecting block slidably arranged on the inner wall of the rotating cylinder, a sliding rod arranged on the outer wall of the connecting rod and sliding upward through the connecting block, and an elastic source arranged on the outer wall of the sliding rod, and the connecting block slides circumferentially along the rotating cylinder; the elastic source drives the locking rod to be inserted into the first slot, and when the trigger member drives the sliding rod to move downward, the elastic source provides a force for the sliding rod to move upward.

[0015] By adopting the above technical solution, the sliding rod moves downward, so that the locking rod is inserted into the second slot, and the elastic source can provide a resetting force.

[0016] Optionally, the trigger member includes a trigger ring arranged on the lower surface of the cover body, the trigger ring extends in the rotating cylinder, and the upper end of the sliding rod is pressed by the lower end surface of the trigger ring to move downward, and the trigger ring is provided with a notch at the position corresponding to the air inlet cavity for the sliding rod to move upward.

[0017] By adopting the above technical solution, the sliding rod can be driven to slide through the trigger ring to drive the locking rod to move.

[0018] Optionally, a limiting groove is provided on the inner wall of the rotating cylinder, and the connecting block is slidably disposed in the limiting groove.

[0019] By adopting the above technical solution, the sliding of the connecting block is achieved.

[0020] Optionally, the elastic source is a spring, which is sleeved on the outer wall of the sliding rod, and one end of the spring abuts against the side wall of the connecting rod, and the other end abuts against the lower surface of the connecting block.

[0021] By adopting the above technical solution, the spring can provide a stable elastic force.

[0022] Optionally, a plurality of through holes are distributed in an array on the partition.

[0023] In summary, the present application includes at least one of the following beneficial effects: 1. Independent spaces are formed between the partitions, and the exhaust gas can be better treated by spraying in the independent spaces; 2. The movement of the sliding plate enables the waste gas in the processing chamber to enter the space between the partition plate and the sliding plate through the through hole, thereby disturbing the waste gas and improving the reaction effect of the spraying liquid and the waste gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application; Figure 2 is a schematic diagram of the interior of a treatment cylinder in an embodiment of the present application; Figure 3 is an exploded schematic diagram of a rotating drum in an embodiment of the present application; Figure 4 is an exploded schematic diagram of a trigger ring and a rotating cylinder in an embodiment of the present application; Figure 5 yes Figure 4 An enlarged schematic diagram of Figure 6 is an exploded schematic diagram of a rotating ring in an embodiment of the present application; Figure 7 It is a schematic diagram of the connecting groove in the embodiment of the present application.

[0025] Explanation of the reference numerals: 1. treatment cylinder; 2. rotating cylinder; 3. power part; 4. cover body; 5. partition; 6. air inlet pipe; 7. exhaust pipe; 8. air inlet chamber; 9. treatment chamber; 10. exhaust chamber; 11. spray pipe; 12. through hole; 13. sliding plate; 14. driving assembly; 141. rotating ring; 142. power source; 15. yield groove; 16. support rod; 17. locking member; 171. locking rod; 18. sliding groove; 19. sliding block; 20. connecting groove; 21. first slot; 22. second slot; 23. slot; 24. reset member; 241. connecting rod; 242. connecting block; 243. sliding rod; 244. elastic source; 25. trigger member; 251. trigger ring; 252. notch; 26. limit groove. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-7 This application is described in further detail.

[0027] The present application embodiment discloses an exhaust gas treatment device. Figure 1 and Figure 2 The exhaust gas treatment device comprises a treatment barrel 1, a rotating barrel 2 coaxially connected to the treatment barrel 1, and a power member 3 for driving the rotating barrel 2 to rotate. The treatment barrel 1 and the rotating barrel 2 are both cylindrical structures. The power member 3 is preferably a motor and is fixed to the outer bottom surface of the treatment barrel 1. The output shaft of the motor is connected to the bottom surface of the rotating barrel 2, thereby driving the rotation of the rotating barrel 2. A cover body 4 is installed on the treatment barrel 1, and the cover body 4 covers the upper end of the treatment barrel 1.

[0028] A plurality of partitions 5 are fixed at intervals on the side wall of the rotating cylinder 2. In this embodiment, four partitions 5 are fixed on the side wall of the rotating cylinder 2, and the partitions 5 are evenly distributed along the circumference of the rotating cylinder 2. The side walls of the partitions 5 abut against the inner walls of the cover body 4 and the processing cylinder 1, so that an independent and sealed space is enclosed between two adjacent partitions 5. An air inlet pipe 6 and an exhaust pipe 7 are installed on the side wall of the processing cylinder 1. When the space between the two partitions 5 corresponds to the air inlet pipe 6, the space is the air inlet chamber 8; when the space between the two partitions 5 corresponds to the exhaust pipe 7, the space is the exhaust chamber 10, and the remaining spaces between the partitions 5 are the processing chambers 9. Spray pipes 11 are provided one by one at the positions corresponding to the processing chambers 9 on the cover body 4. Different spray pipes 11 can spray spray liquids of different media. In this embodiment, there are two processing chambers 9, and two spray pipes 11 are provided.

[0029] The waste gas is discharged from the air inlet pipe 6 to the air inlet chamber 8. The rotating cylinder 2 rotates 90 degrees, so that the air inlet chamber 8 moves to the position of the first spray pipe 11, thus becoming the processing chamber 9. After a certain period of spraying treatment, the rotating cylinder 2 continues to rotate 90 degrees, so as to move to the position of the second spray pipe 11, and then continue the spraying treatment; the rotating cylinder 2 continues to rotate, and the processing chamber 9 moves to the position of the exhaust pipe 7, and the processing chamber 9 can be changed into the exhaust chamber 10, and the treated waste gas is discharged from the exhaust pipe 7. The bottom surface of the processing cylinder 1 is provided with a drain port at the position corresponding to each two partitions 5. If there is a lot of liquid inside, it is discharged through the drain port.

[0030] Reference Figure 2 and Figure 3, a through hole 12 is provided on the partition 5, and the through holes 12 are distributed in an array on the partition 5. A sliding plate 13 is slidably installed on the outer wall of the rotating cylinder 2, and the sliding plates 13 are located one by one in the space between the two partitions 5, and the sliding plates 13 are close to the position of the adjacent partitions 5. The sliding plate 13 slides along the circumference of the rotating cylinder 2. A driving assembly 14 is installed between the cover body 4 and the rotating cylinder 2, and the driving assembly 14 can drive the sliding plates 13 in the processing chamber 9 and the exhaust chamber 10 to slide in the positive and negative directions in the circumferential direction of the rotating cylinder 2. When the sliding plate 13 in the processing chamber 9 slides, the exhaust gas in the adjacent processing chamber 9 can enter between the partition 5 and the sliding plate 13 through the through hole 12, and the sliding plate 13 is reset to squeeze the part of the exhaust gas back to the original processing chamber 9, thereby promoting the reaction between the exhaust gas and the spray liquid particles. When the sliding plate 13 in the exhaust chamber 10 moves, the exhaust gas in the exhaust chamber 10 can be better squeezed into the exhaust pipe 7 for discharge. The exhaust pipe 7 may be provided with a one-way valve device to reduce the re-entry of exhaust gas into the exhaust chamber 10 .

[0031] Reference Figure 3 and Figure 4 The driving assembly 14 includes a rotating ring 141 rotatably mounted on the outer wall of the rotating cylinder 2 and a power source 142 for driving the rotating ring 141 to rotate. The rotating ring 141 slides through the partition plate 5 and the sliding plate 13 at the same time. Figure 5 and Figure 6 , a clearance groove 15 is provided at a position corresponding to the position between the two partitions 5 on the rotating cylinder 2, and the clearance groove 15 extends along the circumference of the rotating cylinder 2. The rotating ring 141 covers the clearance groove 15, and a support rod 16 is fixed to the inner wall of the rotating ring 141. The support rod 16 passes through the clearance groove 15 and extends into the rotating cylinder 2, and is connected to the power source 142. The power source 142 is a motor, and the support rod 16 is connected to the output shaft of the motor. A locking member 17 is provided between the sliding plate 13 and the support rod 16, and the locking member 17 is used to connect the sliding plate 13 and the support rod 16 so that the movement of the support rod 16 synchronously drives the sliding plate 13 to move. When the locking member 17 is released from the state of being connected to the support rod 16, the movement of the support rod 16 will not drive the sliding plate 13 to move. The position of the locking member 17 in the air inlet chamber 8 can release the connection state with the support rod 16, that is, the sliding plate 13 located in the air inlet chamber 8 will not move with the support rod 16. The sliding plates 13 in the processing chamber 9 and the exhaust chamber 10 are connected by the locking member 17 and the support rod 16 so as to be able to move along with the rotating ring 141 .

[0032] Reference Figure 4 and Figure 7A sliding block 19 is fixed to the side wall of the sliding plate 13, and the cross section of the sliding block 19 is an L-shaped structure. A sliding groove 18 is provided on the side wall of the rotating cylinder 2, and the sliding groove 18 is located above the clearance groove 15, and the cross section of the sliding groove 18 is adapted to the sliding block 19, so that the sliding plate 13 can be slidably installed on the rotating cylinder 2. A connecting groove 20 is provided between the sliding groove 18 and the clearance groove 15, and the locking member 17 is located in the connecting groove 20, and can connect the sliding block 19 and the support rod 16 together. When the support rod 16 moves, the locking member 17 can move in the connecting groove 20.

[0033] Reference Figure 5 and Figure 7 The locking rod 171 includes a locking rod 171 that is slidably inserted into the sliding block 19, and the locking rod 171 is vertically inserted into the sliding block 19. A first slot 21 is provided on the upper top surface of the sliding groove 18, and a second slot 22 is provided on the upper surface of the support rod 16. When the locking rod 171 is inserted into the second slot 22, the movement of the support rod 16 can drive the sliding block 19 to move. When the support rod 16 is inserted into the first slot 21, the sliding block 19 cannot move, and the movement of the support rod 16 will not drive the sliding block 19 to move.

[0034] A reset member 24 is installed on the inner wall of the rotating cylinder 2, and a slot 23 is provided on the inner wall of the rotating cylinder 2. The slot 23 is connected to the connecting slot 20, and the reset member 24 is passed through the slot 23 and connected to the locking rod 171. Under the action of the reset member 24, the lower end of the locking rod 171 is separated from the second slot 22, and the upper end of the locking rod 171 is inserted into the first slot 21. A trigger member 25 is installed on the cover body 4. When it moves to the position of the processing chamber 9 and the exhaust chamber 10, the trigger member 25 drives the locking rod 171 to move downward through the reset member 24, so that the locking rod 171 is inserted into the second slot 22. When it is at the position of the air inlet chamber 8, the reset member 24 is reset, that is, the locking rod 171 can slide upward and reset.

[0035] The reset member 24 includes a connecting rod 241 fixed to the outer wall of the locking rod 171, a connecting block 242 slidably arranged on the inner wall of the rotating cylinder 2, a sliding rod 243 fixed to the outer wall of the connecting rod 241 and slidably passing through the connecting block 242, and an elastic source 244 installed on the outer wall of the sliding rod 243. The inner wall of the rotating cylinder 2 is provided with a limiting groove 26, the limiting groove 26 extends along the circumferential direction of the rotating cylinder 2, and the connecting block 242 is slidably installed in the limiting groove 26. The limiting groove 26 is preferably a dovetail groove structure. The elastic source 244 is preferably a spring, which is sleeved on the outer wall of the sliding rod 243, one end of the spring is connected to the connecting outer wall, and the other end is connected to the lower surface of the connecting block 242. In the initial state, the locking rod 171 is inserted into the first slot 21. When the sliding rod 243 moves downward, the locking rod 171 is inserted downward into the second slot 22, and the spring is stretched.

[0036] Combination Figure 4 and Figure 7 The trigger member 25 includes a trigger ring 251 fixed to the lower surface of the cover body 4, and the trigger ring 251 extends downward into the rotating cylinder 2. At the position of the processing chamber 9 and the exhaust chamber 10, the upper end of the sliding rod 243 is pressed by the trigger ring 251 and moves downward, so that the locking rod 171 is inserted into the second slot 22. A notch 252 is provided on the trigger ring 251, and the notch 252 is located at a position corresponding to the air inlet chamber 8. At the position of the notch 252, the sliding rod 243 is reset upward and extends into the notch 252, so that the locking rod 171 is inserted into the first slot 21, so that the movement of the support rod 16 will not drive the sliding plate 13 to move. The inner wall of the notch 252 is provided with an inclined surface, and when the rotating cylinder 2 rotates, the sliding rod 243 is more likely to move downward.

[0037] The implementation principle of the exhaust gas treatment device of the embodiment of the present application is: the rotating drum 2 is driven to rotate by the power member 3, and the rotation of the rotating drum 2 synchronously drives the rotation of the rotating shaft of the power source 142, and the rotating drum 2 intermittently rotates 90 degrees, so that the exhaust gas in the treatment chamber 9 can be treated by the spray liquid. When the power source 142 drives the rotating ring 141 to move, the sliding plate 13 sucks the exhaust gas in the adjacent treatment chamber 9 into the space between the partition plate 5 and the sliding plate 13, and squeezes the gas in the exhaust chamber 10 into the exhaust pipe 7, and then the power source 142 drives the rotating ring 141 to reverse and reset.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An exhaust gas treatment device, characterized in that: The invention comprises a treatment cylinder (1), a rotating cylinder (2) coaxially arranged in the treatment cylinder (1), and a power member (3) for driving the rotating cylinder (2) to rotate, the treatment cylinder (1) being provided with a cover body (4) for covering the treatment cylinder (1); a partition plate (5) is provided on the outer wall of the rotating cylinder (2), a plurality of the partition plates (5) are evenly arranged along the circumference of the rotating cylinder (2); an air intake pipe (6) and an air exhaust pipe (7) are provided on the side wall of the treatment cylinder (1); a space between two adjacent partition plates (5) corresponding to the air intake pipe (6) is an air intake chamber (8), a space between two adjacent partition plates (5) corresponding to the air exhaust pipe (7) is an air exhaust chamber (10), and a space between the remaining partition plates (5) is a treatment chamber (9); a spray pipe (11) corresponding to the treatment chamber (9) is provided on the cover body (4); Through holes (12) are provided at intervals on the partition (5), and a sliding plate (13) is slidably provided on the outer wall of the rotating cylinder (2). The sliding plate (13) slides along the circumferential direction of the rotating cylinder (2), and the sliding plate (13) is respectively located between two adjacent partitions (5). A driving assembly (14) is provided on the cover body (4) and the rotating cylinder (2) for driving the sliding plates (13) in the exhaust chamber (10) and the processing chamber (9) to slide in forward and reverse directions at the same time, so that the sliding plate (13) moves in a direction close to or away from the through hole (12).

2. The exhaust gas treatment device according to claim 1, characterized in that: The driving assembly (14) comprises a rotating ring (141) slidably sleeved on the outer wall of the rotating cylinder (2), and a power source (142) arranged on the cover body (4); the rotating ring (141) slidably passes through the partition (5); a clearance groove (15) is provided on the rotating cylinder (2) at a position between two partitions (5); the rotating ring (141) is provided with a support rod (16) passing through the clearance groove (15) and connected to the power source (142); the power source (142) drives the rotating ring (141) via the support rod (16). The rotating ring (141) is configured to rotate in both positive and negative directions about the outer wall of the rotating cylinder (2); a locking member (17) is provided between the sliding plate (13) and the supporting rod (16); when the locking member (17) is in the position of the processing chamber (9) and the exhaust chamber (10), the sliding plate (13) and the supporting rod (16) are connected together; when the locking member (17) is in the position of the air inlet chamber (8), the sliding plate (13) and the supporting rod (16) are separated, so that when the rotating ring (141) rotates, the sliding plates (13) in the processing chamber (9) and the exhaust chamber (10) can be driven to rotate.

3. The exhaust gas treatment device according to claim 2, characterized in that: The outer wall of the rotating cylinder (2) is provided with a sliding groove (18), and the side wall of the sliding plate (13) is provided with a sliding block (19). The sliding plate (13) slides on the side wall of the rotating cylinder (2) through the cooperation between the sliding block (19) and the sliding groove (18). The sliding groove (18) is located above the giving way groove (15), and a connecting groove (20) is provided between the sliding groove (18) and the giving way groove (15). The locking member (17) passes through the connecting groove (20) to connect the sliding block (19) and the support rod (16).

4. The exhaust gas treatment device according to claim 3, characterized in that: The locking member (17) comprises a locking rod (171) slidably arranged in the sliding block (19); a first slot (21) is formed at the top surface of the sliding groove (18); a second slot (22) is formed at the top surface of the supporting rod (16); a slot (23) is formed on the inner wall of the rotating cylinder (2); the slot (23) is communicated with the connecting groove (20); a reset member (24) is formed on the inner wall of the rotating cylinder (2); the reset member (24) is connected to the locking rod (171); the cover body (4) A trigger member (25) is provided. When the trigger member (25) is at the position of the processing chamber (9) and the exhaust chamber (10), the trigger member (25) can drive the reset member (24) to move downward and drive the locking rod (171) to move downward, so that the locking rod (171) is inserted into the second slot (22). When the trigger member (25) is at the position of the processing chamber (9) and the exhaust chamber (10), the reset member (24) is reset and drives the locking rod (171) to slide upward, and the upper end of the locking rod (171) is inserted into the first slot (21).

5. The exhaust gas treatment device according to claim 4, characterized in that: The reset member (24) comprises a connecting rod (241) fixed to the outer wall of the locking rod (171), a connecting block (242) slidably arranged on the inner wall of the rotating cylinder (2), a sliding rod (243) arranged on the outer wall of the connecting rod (241) and slidingly passing through the connecting block (242) upward, and an elastic source (244) arranged on the outer wall of the sliding rod (243), wherein the connecting block (242) slides along the circumference of the rotating cylinder (2); the elastic source (244) drives the locking rod (171) to be inserted into the first slot (21), and when the trigger member (25) drives the sliding rod (243) to move downward, the elastic source (244) provides a force for the sliding rod (243) to move upward.

6. The exhaust gas treatment device according to claim 5, characterized in that: The trigger member (25) comprises a trigger ring (251) arranged on the lower surface of the cover body (4); the trigger ring (251) extends into the rotating cylinder (2); the upper end of the sliding rod (243) is pressed by the lower end surface of the trigger ring (251) to move downward; and a notch (252) for allowing the sliding rod (243) to move upward is provided at a position of the trigger ring (251) corresponding to the air inlet cavity (8).

7. The exhaust gas treatment device according to claim 5, characterized in that: The inner wall of the rotating cylinder (2) is provided with a limiting groove (26), and the connecting block (242) is slidably disposed in the limiting groove (26).

8. The exhaust gas treatment device according to claim 5, characterized in that: The elastic source (244) is a spring, which is sleeved on the outer wall of the sliding rod (243), and one end of the spring abuts against the side wall of the connecting rod (241), and the other end abuts against the lower surface of the connecting block (242).

9. The exhaust gas treatment device according to claim 1, characterized in that: A plurality of through holes (12) are distributed in an array on the partition plate (5).

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