Tail gas treatment device with backflow prevention effect

Abstract

The utility model discloses a tail gas treatment device with an anti-backflow effect, and relates to the technical field of tail gas treatment, the tail gas treatment device comprises a filter box, one end of the filter box is fixedly connected with an input pipe, and the other end of the filter box is fixedly connected with an output pipe. When tail gas treatment equipment is assisted by a conveying pipe to convey tail gas, in order to prevent the situation that the tail gas flows back during conveying, when the air pressure of the output end is larger than that of the output end, a telescopic rod and a spring can be driven to do telescopic motion, so that a blocking plate and a connecting ball slide towards the side close to a filtering box, and the filtering effect is improved. And when the connecting ball is inserted into a circulating opening formed in the surface of the circulating plate and the blocking plate is completely attached to the surface of the circulating plate, a bolt can slide into the inner wall of a clamping groove through the limiting effect of a nut at the moment, the effect of conveniently clamping and fixing the blocking plate is achieved, and the effect of reducing the situation that the tail gas treatment efficiency is affected by tail gas backflow is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device with anti-backflow effect. Background Art

[0002] Printing equipment refers to the machinery that processes and finishes printed sheets into finished printed products. There are three methods of book binding: thread binding, paperback binding and hardcover binding. Generally, the binding process includes cutting, folding, collating, book block processing, stapling, cover wrapping, book cutting and packaging.

[0003] The cam is provided with a screw thread on the top of the housing, and the cam is provided with a screw thread on the bottom of the housing, and the cam is provided with a screw thread on the top of the housing, so that the cam can be fixed with the user's finger.

[0004] However, although this exhaust gas treatment device with an anti-backflow effect can perform better treatment operations on the exhaust when in use, when the exhaust is treated and transported, under the premise of changes in the transporting air pressure, the anti-backflow effect of the treated exhaust is not high. At the same time, when the transport pipe is not in use, the sealing effect of the inner wall of the transport pipe is not high, which makes the inner wall of the transport pipe easy to absorb dust, causing interference with the transport air pressure on the inner wall of the transport pipe.

[0005] Therefore, in view of this, the shortcomings of the existing structure are studied and improved, and an exhaust gas treatment device with anti-backflow effect is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide an exhaust gas treatment device with an anti-backflow effect, so as to solve the problem in the above background technology that the anti-backflow effect of the treated exhaust gas is not high under the premise of the change of the delivery gas pressure.

[0007] The cam is connected to the filter housing, and the cam is connected to the filter housing, and the cam is connected to the filter housing, and the filter housing is connected to the filter housing, and the filter housing is connected to the filter housing.

[0008] Furthermore, a circulation opening is provided on the outer wall of the circulation plate.

[0009] Furthermore, the connection plate and the output pipe are fixedly connected, and the outer wall profile of the connection plate is grid-shaped.

[0010] Furthermore, the outer wall contour of the blocking plate is larger than the inner wall contour of the flow opening on the surface of the flow plate.

[0011] Furthermore, the slide groove is arranged inside the connection box.

[0012] Furthermore, the inner wall profile of the slot is larger than the outer wall profile of the bolt.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model adopts the setting of the blocking plate and the card slot. When the exhaust gas is transported by the exhaust gas treatment equipment through the delivery pipe, in order to prevent the exhaust gas from flowing back during transportation, when the air pressure at the output end is greater than the air pressure at the output end, the telescopic rod and the spring will be driven to perform telescopic movement, so that the blocking plate and the connecting ball slide toward the side close to the filter box until the connecting ball is inserted into the flow port opened on the surface of the flow plate, and the blocking plate is completely fitted with the surface of the flow plate. At this time, the bolt can be limited by the nut to make the bolt slide into the inner wall of the card slot, so as to achieve the effect of convenient engagement and fixation of the blocking plate, thereby reducing the effect of exhaust gas backflow affecting the exhaust gas treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the processing equipment;

[0016] Figure 2It is a schematic diagram of the three-dimensional structure of the processing equipment in another direction;

[0017] Figure 3 Schematic diagram of the distribution structure of the circulation plate and the blocking plate;

[0018] Figure 4 Schematic diagram of the bolt and slot position distribution structure.

[0019] In the figure: 1. Filter box; 2. Inlet pipe; 3. Output pipe; 4. Circulation plate; 5. Blocking plate; 6. Connecting ball; 7. Telescopic rod; 8. Spring; 9. Connecting plate; 10. Connecting box; 11. Inspection door; 12. Slide; 13. Nut; 14. Bolt; 15. Slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example: Figures 1-4 As shown, an exhaust gas treatment device with an anti-backflow effect includes a filter box 1, one end of the filter box 1 is fixedly connected to the input pipe 2, the other end of the filter box 1 is fixedly connected to the output pipe 3, the inner wall of the output pipe 3 is fixedly connected to the circulation plate 4, the inner wall of the output pipe 3 is slidably connected to the blocking plate 5, the outer wall of the blocking plate 5 is fixedly connected to the connecting ball 6 located on one side of the circulation plate 4, the outer wall of the blocking plate 5 is fixedly connected to the telescopic rod 7, the outer wall of the telescopic rod 7 is sleeved with a spring 8 fixedly connected to the outer wall of the blocking plate 5, one end of the spring 8 is fixedly connected to a connecting plate 9 fixedly connected to one end of the telescopic rod 7, the outer wall of the output pipe 3 is fixedly connected to the connecting box 10, the outer wall of the connecting box 10 is rotatably connected to the inspection door 11, a sliding groove 12 is provided at the connecting portion between the outer wall of the output pipe 3 and the blocking plate 5, a nut 13 is provided on the outer wall of the connecting box 10, the inner wall of the nut 13 is threadedly connected to a bolt 14 slidably connected to the outer wall of the blocking plate 5, and a card groove 15 is provided at the connecting portion between the outer wall of the blocking plate 5 and the bolt 14.

[0022] Furthermore, a flow opening is provided on the outer wall of the flow plate 4 , which facilitates the convenient transportation of the treated exhaust gas.

[0023] Furthermore, the connecting plate 9 and the output pipe 3 are fixedly connected, and the outer wall profile of the connecting plate 9 is grid-shaped, which is conducive to achieving the effect of convenient telescopic movement of the blocking plate 5 under the action of air pressure through the setting of the fixed connection between the connecting plate 9 and the output pipe 3.

[0024] Furthermore, the outer wall contour of the blocking plate 5 is larger than the inner wall contour of the flow opening on the surface of the flow plate 4, which is beneficial for the exhaust gas to be refluxed.

[0025] Furthermore, the slide groove 12 is provided inside the connection box 10 , which is beneficial for achieving the effect of conveniently sealing the connection box 10 from gas.

[0026] Furthermore, the inner wall profile of the slot 15 is larger than the outer wall profile of the bolt 14, which is conducive to achieving the effect of convenient engagement and fixation of the blocking plate 5 by making the inner wall profile of the slot 15 larger than the outer wall profile of the bolt 14, thereby reducing the backflow of exhaust gas and affecting the exhaust gas treatment efficiency.

[0027] Working principle: When using the exhaust gas treatment device with anti-backflow effect, when the exhaust gas is transported through the delivery pipe to assist the exhaust gas treatment equipment, in order to prevent the exhaust gas from flowing back during transportation, when the air pressure at the output end is greater than the air pressure at the output end, the telescopic rod 7 and the spring 8 will be driven to telescopically move, so that the blocking plate 5 and the connecting ball 6 slide toward the side close to the filter box 1 until the connecting ball 6 is inserted into the flow port opened on the surface of the flow plate 4, and the blocking plate 5 is completely in contact with the surface of the flow plate 4. At this time, the bolt 14 can slide into the inner wall of the slot 15 through the limiting effect of the nut 13, so as to achieve the effect of convenient engagement and fixation of the blocking plate 5, thereby reducing the backflow of the exhaust gas and affecting the exhaust gas treatment efficiency.

[0028] This is the working principle of the exhaust gas treatment device with anti-backflow effect.

[0029] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. An exhaust gas treatment device with anti-backflow effect, comprising a filter box (1), characterized in that: One end of the filter box (1) is fixedly connected to an input pipe (2), and the other end of the filter box (1) is fixedly connected to an output pipe (3), the inner wall of the output pipe (3) is fixedly connected to a circulation plate (4), the inner wall of the output pipe (3) is slidably connected to a blocking plate (5), the outer wall of the blocking plate (5) is fixedly connected to a connecting ball (6) located on one side of the circulation plate (4), the outer wall of the blocking plate (5) is fixedly connected to a telescopic rod (7), the outer wall of the telescopic rod (7) is sleeved with a spring (8) fixedly connected to the outer wall of the blocking plate (5), and one end of the spring (8) is fixedly connected to the outer wall of the blocking plate (5). A connecting plate (9) is fixedly connected to one end of the telescopic rod (7), the outer wall of the output pipe (3) is fixedly connected to a connecting box (10), the outer wall of the connecting box (10) is rotatably connected to an inspection door (11), a sliding groove (12) is provided at the connection portion between the outer wall of the output pipe (3) and the blocking plate (5), a nut (13) is provided on the outer wall of the connecting box (10), the inner wall of the nut (13) is threadedly connected to a bolt (14) slidably connected to the outer wall of the blocking plate (5), and a clamping groove (15) is provided at the connection portion between the outer wall of the blocking plate (5) and the bolt (14).

2. The exhaust gas treatment device with anti-backflow effect according to claim 1, characterized in that: The outer wall of the circulation plate (4) is provided with a circulation opening.

3. The exhaust gas treatment device with anti-backflow effect according to claim 1, characterized in that: The connecting plate (9) and the output pipe (3) are fixedly connected, and the outer wall profile of the connecting plate (9) is in a grid shape.

4. The exhaust gas treatment device with anti-backflow effect according to claim 1, characterized in that: The outer wall profile of the blocking plate (5) is larger than the inner wall profile of the flow opening on the surface of the flow plate (4).

5. The exhaust gas treatment device with anti-backflow effect according to claim 1, characterized in that: The sliding groove (12) is arranged inside the connection box (10).

6. The exhaust gas treatment device with anti-backflow effect according to claim 1, characterized in that: The inner wall profile of the slot (15) is larger than the outer wall profile of the bolt (14).

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