Secondary waste gas filtering device

Abstract

The utility model discloses a secondary filtering device for waste gas. Relates to the technical field of waste gas treatment. The secondary filter box is connected with the waste gas conveying pipeline through a plurality of sets of bolts, tools need to be used for temporarily supporting and fixing the waste gas conveying pipeline in the installation process, and the overall installation process is tedious. The secondary filtering device comprises a secondary filtering box, connecting pipes and a butt joint structure, the connecting pipes are fixedly connected to the two sides of the secondary filtering box and communicated with the interior of the secondary filtering box, and the butt joint structure is arranged at the ends, not connected with the secondary filtering box, of the connecting pipes. The waste gas conveying pipe can be fixed or disassembled by adjusting the fixing rod, the operation process is simple, the installation and butt joint efficiency of the device and the waste gas conveying pipe is improved, a limiting structure is formed by arranging the limiting frame, the sliding rod, the limiting block and the spring, the threaded rod can be limited and fixed through the limiting block, and the practicability is high. And the situation that the threaded rod is loosened due to external vibration is avoided.

Description

Technical Field

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

[0002] As modern industry grows day by day, it has created huge wealth for the society, but it has also destroyed the ecological balance. The environmental crisis is becoming more and more serious, hindering the development of social civilization. Therefore, it is imperative to protect and manage the environment. Everyone from the country to enterprises to individuals should actively participate in it, setting off an environmental protection boom in the whole society, bringing huge pressure and responsibility to enterprises. Enterprises need to treat and filter the exhaust gas, and a secondary filter box will be used when treating the exhaust gas.

[0003] The existing secondary filter box needs to be connected to the external exhaust gas delivery pipe when in use, usually through a flange. When fixing the flange, multiple sets of bolts need to be rotated and fixed. During the installation process, tools are needed to temporarily support and fix the exhaust gas delivery pipe to avoid displacement of the exhaust gas delivery pipe. The overall installation process is relatively cumbersome. Utility Model Content

[0004] The purpose of the utility model is to provide a secondary exhaust gas filtration device to solve the problem that the secondary filter box proposed in the above background technology is connected to the exhaust gas delivery pipe using multiple sets of bolts, and tools are needed to temporarily support and fix the exhaust gas delivery pipe during the installation process, making the overall installation process relatively cumbersome.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a secondary exhaust gas filtration device, comprising a secondary filter box, a connecting pipe and a docking structure, wherein the connecting pipe is fixedly connected to both sides of the secondary filter box, and the connecting pipe is communicated with the inside of the secondary filter box, and the docking structure is arranged at the end of the connecting pipe that is not connected to the secondary filter box, and the docking structure comprises a sliding ring arranged at the end of the connecting pipe that is not connected to the secondary filter box, a fixed rod arranged at a side of the sliding ring away from the connecting pipe, and a connecting rod arranged between the sliding ring and the fixed rod, one end of the connecting rod is hinged to the sliding ring, and the fixed rod at the other end of the connecting rod is hinged.

[0006] By adopting the above technical solution, the fixing rod can be adjusted to complete the fixing or removal of the exhaust gas conveying pipe, the operation process is simple, and the installation and docking efficiency of the device and the exhaust gas conveying pipe is improved.

[0007] Preferably, the docking structure includes a connecting ring welded to one side of the connecting pipe, a threaded rod threadedly connected to one side of the connecting ring, and a docking rod welded to one side of the connecting ring; the sliding ring is slidably connected to the connecting ring, the threaded rod is rotatably connected to the sliding ring, and the fixed rod is slidably connected to the connecting ring.

[0008] By adopting the above technical solution, the threaded rod can be rotated to drive the sliding ring to move, so that the device can be quickly docked and fixed with the exhaust gas conveying pipeline.

[0009] Preferably, the limiting structure is arranged above the outer wall of the connecting ring, and the limiting structure includes a limiting frame welded on the upper part of the outer wall of the connecting ring, a limiting block slidably connected to the bottom of the limiting frame, a sliding rod welded above the limiting block and a spring arranged inside the limiting frame, one end of the spring is in contact with the inner wall of the limiting frame, and the other end of the spring is in contact with the limiting block, and the sliding rod is slidably connected to the limiting frame.

[0010] By adopting the above technical solution, the threaded rod can be limited and fixed by the limit block, so as to prevent the threaded rod from loosening due to external vibration.

[0011] Preferably, a guide rod is welded to one side of the sliding ring, and the guide rod is slidably connected to the connecting ring.

[0012] By adopting the above technical solution, the sliding ring can be limited by the guide rod to ensure the stability of the sliding ring during movement.

[0013] Preferably, a square groove is provided in the middle section of the docking rod, and the fixing rod is embedded in the square groove of the docking rod.

[0014] By adopting the above technical solution, the fixing rod can be limited by the square groove to ensure the stability of the fixing rod after the pipeline is fixed.

[0015] Preferably, six groups of fixing rods are provided, and all six groups of fixing rods are U-shaped.

[0016] By adopting the above technical solution, six groups of fixing rods are used to fix the exhaust gas conveying pipeline, thereby ensuring the stability of the exhaust gas conveying pipeline after being fixed.

[0017] Preferably, the sliding rod is a cylinder, and the sliding rod passes through the hole in the center of the spring.

[0018] By adopting the above technical solution, the spring can be limited by the sliding rod to avoid deformation and dislocation of the spring.

[0019] Compared with the prior art, the beneficial effect of the utility model is that the exhaust gas conveying pipe can be fixed or disassembled by adjusting the fixing rod, the operation process is simple, and the installation and docking efficiency of the device and the exhaust gas conveying pipe is improved. A limiting structure is formed by setting a limiting frame, a sliding rod, a limiting block and a spring. The threaded rod can be limited and fixed by the limiting block to prevent the threaded rod from loosening due to external vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0021] Figure 2 It is a front structural schematic diagram of the utility model;

[0022] Figure 3 For this utility model Figure 2 A magnified schematic diagram of part A;

[0023] Figure 4 It is a side structural schematic diagram of the utility model;

[0024] Figure 5 For this utility model Figure 4 An enlarged schematic diagram of part B.

[0025] In the figure: 1. Secondary filter box; 2. Connecting pipe; 3. Docking structure; 301. Connecting ring; 302. Threaded rod; 303. Sliding ring; 304. Connecting rod; 305. Fixed rod; 306. Docking rod; 307. Guide rod; 4. Limiting structure; 401. Limiting frame; 402. Sliding rod; 403. Limiting block; 404. Spring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The following is combined with Figure 1-5 The utility model is described in further detail.

[0028] Embodiment 1

[0029] See also Figure 1-5The utility model provides an embodiment: a secondary exhaust gas filtering device, including a secondary filter box 1, a connecting pipe 2 and a docking structure 3, the connecting pipe 2 is fixedly connected to both sides of the secondary filter box 1, and the connecting pipe 2 is communicated with the inside of the secondary filter box 1, the secondary filter box 1 is provided with activated carbon, and the exhaust gas can be filtered through the activated carbon, the connecting pipe 2 is connected to the secondary filter box 1 by welding, and the sealing of the overall structure is ensured, the docking structure 3 is arranged at the end of the connecting pipe 2 that is not connected to the secondary filter box 1, and the docking structure 3 includes a sliding ring 303 arranged at the end of the connecting pipe 2 that is not connected to the secondary filter box 1, and the sliding ring 303 is Stainless steel is used to prevent the sliding ring 303 from rusting due to the influence of external moisture. A fixed rod 304 is set at the side of the sliding ring 303 away from the connecting pipe 2 and a connecting rod 304 is set between the sliding ring 303 and the fixed rod 305. One end of the connecting rod 304 is hinged to the sliding ring 303, and the fixed rod 305 at the other end of the connecting rod 304 is hinged. The movement of the sliding ring 303 can drive the connecting rod 304 to rotate, and the rotation of the connecting rod 304 can push the fixed rod 305 to move. The flange of the external exhaust gas conveying pipe can be fixed by the fixed rod 305. The operation is simple and it is convenient to connect the device to the external exhaust gas conveying pipe.

[0030] Embodiment 2

[0031] See also Figure 1-5The docking structure 3 includes a connecting ring 301 welded to one side of the connecting pipe 2, and a sealing gasket is arranged on the inner wall of the connecting ring 301 to ensure the sealing after being connected to the exhaust gas conveying pipe to avoid exhaust gas leakage. A threaded rod 302 is threadedly connected to one side of the connecting ring 301, and a turntable is fixedly connected to one end of the threaded rod 302. The threaded rod 302 can be driven to rotate by rotating the turntable. A docking rod 306 is welded to one side of the connecting ring 301. The docking rod 306 is made of stainless steel to avoid the occurrence of the docking rod 306 breaking. The sliding ring 303 is slidably connected to the connecting ring 301, and the outer wall of the sliding ring 303 is in contact with the inner wall of the connecting ring 301 to ensure the stability of the movement of the sliding ring 303. The threaded rod 302 is rotatably connected to the sliding ring 303, and the rotation of the threaded rod 302 can drive the sliding ring 303 to move. The fixing rod 305 is slidably connected to the connecting ring 301, and the fixing rod 305 is limited by the shell of the connecting ring 301 to ensure the stability of the movement of the fixing rod 305. A guide rod 307 is welded on one side of the sliding ring 303, and the guide rod 307 is slidably connected to the connecting ring 301. The sliding ring 303 is limited by the guide rod 307 to ensure the stability of the sliding ring 303 during movement. A square groove is provided in the middle section of the docking rod 306, and the fixing rod 305 is embedded in the square groove of the docking rod 306. The fixing rod 305 is limited by the square groove to ensure the stability of the fixing rod 305 after the pipeline is fixed. There are a total of six groups of fixing rods 305, and the six groups of fixing rods 305 are all U-shaped. The exhaust gas conveying pipeline is fixed by providing six groups of fixing rods 305 to ensure the stability of the exhaust gas conveying pipeline after fixation.

[0032] Embodiment 3

[0033] See also Figure 1-5, a limiting structure 4 is arranged above the outer wall of the connecting ring 301, and the limiting structure 4 includes a limiting frame 401 welded on the outer wall of the connecting ring 301, the limiting frame 401 is a hollow square shape, and a connecting protrusion is arranged on one side of the limiting frame 401, and the connecting protrusion is fixedly connected to the connecting ring 301, and a limiting block 403 is slidably connected to the bottom of the limiting frame 401, and the bottom end of the limiting block 403 is a curved surface shape, and a rubber pad is arranged on the curved surface, and the friction force is improved by the rubber pad to ensure the stability of the threaded rod 302 after being fixed, and a sliding rod 402 is welded above the limiting block 403, and a pull plate is arranged at one end of the sliding rod 402, and the staff can quickly pull the sliding rod 402 through the pull plate to release the fixation of the threaded rod 302, and is arranged at the limiting The spring 404 inside the frame 401 is in a slightly compressed state, one end of the spring 404 is in contact with the inner wall of the limit frame 401, and the other end of the spring 404 is in contact with the limit block 403. The spring 404 can push the limit block 403 to fit tightly against the outside of the threaded rod 302 to ensure the stability of the threaded rod 302. The sliding rod 402 is slidably connected to the limit frame 401, and the threaded rod 302 can be limited and fixed by the limit block 403 to prevent the threaded rod 302 from loosening due to external vibration. The sliding rod 402 is a cylinder, and the sliding rod 402 passes through the hole in the center of the spring 404. The spring 404 is limited by the sliding rod 402 to prevent the spring 404 from deforming and dislocating.

[0034] Working principle: first, when the device needs to be connected to an external exhaust gas delivery pipe, pull the sliding rod 402, the movement of the sliding rod 402 will drive the limit block 403 to move, the limit block 403 moves and separates from the threaded rod 302, and the fixation of the threaded rod 302 is released, and then the threaded rod 302 is rotated. Since the threaded rod 302 is rotatably connected to the sliding ring 303, and the threaded rod 302 is threadedly connected to the connecting ring 301, the rotation of the threaded rod 302 will push the sliding ring 303 to move under the influence of the thread, and since the sliding ring 303 is rotatably connected to the connecting rod 304, and the connecting rod 304 is rotatably connected to the fixed rod 305, and the fixed rod 305 is slidably connected to the connecting ring 301, the movement of the sliding ring 303 will drive the fixed rod 305 to move, and the fixed rod 305 moves and separates from the square groove of the docking rod 306;

[0035] Secondly, the docking rod 306 is inserted into the threaded groove of the exhaust gas conveying pipe flange, and the exhaust gas conveying pipe is temporarily fixed by the docking rod 306. The sliding rod 402 is pulled again to drive the limit block 403 to move to release the fixation of the threaded rod 302. The movement of the limit block 403 will cause the spring 404 to deform. While keeping pulling the sliding rod 402, the threaded rod 302 is rotated in the opposite direction. The rotation of the threaded rod 302 drives the fixed rod 305 to move. The fixed rod 305 moves to fit one side of the exhaust gas conveying pipe flange and is embedded in the square groove of the docking rod 306. After the fixed rod 305 is completely embedded in the square groove of the docking rod 306, the sliding rod 402 is released, and the spring 404 recovers its deformation to push the limit block 403 to move and fit to the outside of the threaded rod 302. The threaded rod 302 is fixed by the limit block 403. The operation process is simple, which is convenient for the staff to connect the device to the external exhaust gas conveying pipe.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A secondary exhaust gas filtration device, characterized in that: include: Secondary filter box; A connecting pipe, which is fixedly connected to both sides of the secondary filter box and communicates with the interior of the secondary filter box; A docking structure, which is arranged at the end of the connecting pipe that is not connected to the secondary filter box, and includes a sliding ring arranged at the end of the connecting pipe that is not connected to the secondary filter box, a fixed rod arranged at the side of the sliding ring away from the connecting pipe, and a connecting rod arranged between the sliding ring and the fixed rod, one end of the connecting rod is hinged to the sliding ring, and the fixed rod is hinged to the other end of the connecting rod.

2. The exhaust gas secondary filtration device according to claim 1, characterized in that: The docking structure includes a connecting ring welded to one side of the connecting pipe, a threaded rod threadedly connected to one side of the connecting ring, and a docking rod welded to one side of the connecting ring. The sliding ring is slidably connected to the connecting ring, the threaded rod is rotatably connected to the sliding ring, and the fixed rod is slidably connected to the connecting ring.

3. The exhaust gas secondary filtration device according to claim 1, characterized in that: The exhaust gas secondary filtering device comprises: A limiting structure is arranged above the outer wall of the connecting ring, and the limiting structure includes a limiting frame welded above the outer wall of the connecting ring, a limiting block slidably connected to the bottom of the limiting frame, a sliding rod welded above the limiting block, and a spring arranged inside the limiting frame, one end of the spring is in contact with the inner wall of the limiting frame, and the other end of the spring is in contact with the limiting block, and the sliding rod is slidably connected to the limiting frame.

4. The exhaust gas secondary filtration device according to claim 1, characterized in that: A guide rod is welded on one side of the sliding ring, and the guide rod is slidably connected with the connecting ring.

5. The exhaust gas secondary filtration device according to claim 2, characterized in that: A square groove is provided at the middle section of the docking rod, and the fixing rod is embedded in the square groove of the docking rod.

6. The exhaust gas secondary filtration device according to claim 1, characterized in that: There are six groups of fixing rods in total, and all of the six groups of fixing rods are U-shaped.

7. The exhaust gas secondary filtration device according to claim 3, characterized in that: The sliding rod is a cylinder, and passes through a hole in the center of the spring.

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