Weir plate type gas backflow device
By introducing an automatic processing mechanism and a reset component into the weir-plate type gas reflux device, the problem of impurities in the reflux gas was solved, and real-time filtration and pure storage of the gas were achieved.
Patent Information
- Application Number
- CN202422832764.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-20
AI Technical Summary
When the existing weir-type gas reflux device is in use, the refluxed biogas may be mixed with impurities, affecting subsequent storage and use.
A device including a return air pipe, a fixed shell, an adjustable weir plate, an electric cylinder, and an automatic processing mechanism was designed. The electric cylinder controls the extension and contraction of the weir plate, driving the movement of the retracted filter screen. Combined with the reset component and the gear rack structure, the filter screen can be automatically filtered and retracted to ensure gas purity.
It enables real-time filtration of return gas, removes impurities, ensures gas purity, and improves the quality of subsequent storage and use.
Smart Images

Figure CN223464587U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of gas backflow, especially relates to a weir plate type gas backflow device. BACKGROUND
[0002] The chemical name of marsh gas is methane, which is gas in marshes. People often see bubbles in marshes, sewage ditches or manure pits, which can be ignited if we strike a match. This is natural marsh gas in nature. Marsh gas is a kind of combustible gas produced by the fermentation of various organic matter under the condition of air isolation and suitable temperature and PH value. Marsh gas belongs to secondary energy and is renewable energy. The weir plate type gas backflow device is generally used to assist backflow regulation and control in the backflow process.
[0003] The existing weir plate type gas backflow device can control the extension and retraction of the weir plate by using the telescopic end of the electric cylinder according to actual needs during use, so that the backflow of marsh gas is well controlled. However, if the backflow of marsh gas cannot be directly treated, it may further affect the subsequent storage and use of marsh gas.
[0004] Therefore, it is necessary to provide a new weir plate type gas backflow device to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0005] In order to solve the above technical problems, the utility model provides a weir plate type gas backflow device.
[0006] The weir plate type gas backflow device provided by the utility model comprises a gas return pipe, a fixed shell is fixedly connected to the middle pipe wall of the gas return pipe, a sliding port is arranged on the upper end side wall of the fixed shell, an adjusting weir plate is slidably connected in the sliding port, an electric cylinder is installed and connected to the lower end shell wall of the fixed shell, and the telescopic end of the electric cylinder is fixedly connected with the lower end of the adjusting weir plate.
[0007] Preferably, a through port is arranged on the lower end shell wall of the strip shell, and the winding filter screen is slidably connected with the through port.
[0008] Preferably, the strip shell is fixedly arranged above the adjusting weir plate.
[0009] Preferably, the reset assembly includes an extension shaft, which is fixedly connected to one end of the rotating shaft and rotatably connected to the wall of the return air pipe. A gear is fixedly connected to the extension shaft, and a rack is provided on one side of the gear, and the rack and the gear are meshed with each other.
[0010] Preferably, a transverse tube is provided on the outer wall of the return air duct, a sliding rod is slidably connected to the tube wall at one end of the transverse tube, one end of the sliding rod is fixedly connected to the rack, and a spring is provided inside the transverse tube.
[0011] Preferably, a convex disc is provided at one end of the slide rod, one end of the spring is connected to the convex disc, and the other end of the spring is connected to the inner wall of the transverse tube.
[0012] Preferably, a plate seat is provided on the outer wall of the return air pipe, and the transverse pipe is fixedly installed on the plate seat.
[0013] Compared with the related art, the weir plate type gas reflux device provided by the present invention has the following advantages:
[0014] Beneficial effects:
[0015] 1. The utility model drives the winding filter to move by adjusting the upper end of the weir plate, so that the winding filter drives the rotating shaft to rotate relative to the shell wall of the strip shell. The area of the winding filter can be conveniently adjusted according to the relative position of the adjusting weir plate, so as to meet the requirements of filtering the return gas in real time and ensure that there are no excess impurities in the return gas.
[0016] 2. The utility model drives the gear to move by extending the shaft, so that the rack meshing with it moves accordingly. The rack drives the slide bar to slide relative to the pipe wall at one end of the horizontal pipe, and the spring undergoes elastic deformation. The cooperation between the spring and the slide bar can be realized to ensure that the retracted filter screen can be automatically retracted while resetting and rotating. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is one of the structural diagrams of a preferred embodiment provided by the utility model;
[0018] Figure 2 for Figure 1 The structural diagram of the automatic processing mechanism shown;
[0019] Figure 3 for Figure 2 The schematic diagram of the reset component shown
[0020] Figure 4 for Figure 3 Schematic diagram of the structure at A shown.
[0021] The figure label: 1, back gas pipe; 2, fixed shell; 21, adjusting weir plate; 3, electric cylinder; 4, strip shell; 41, rotating shaft; 42, winding filter screen; 5, extension shaft; 51, gear; 52, rack; 6, cross pipe; 61, slide bar; 62, spring; 7, piece seat. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with the drawings and embodiments.
[0023] Please refer to Figures 1 to 3 A weir plate type gas backflow device comprises a back gas pipe 1, a fixed shell 2 is fixedly connected to the middle pipe wall of the back gas pipe 1, a sliding port is arranged on the upper end side wall of the fixed shell 2, an adjusting weir plate 21 is slidingly connected in the sliding port, an electric cylinder 3 is installed and connected to the lower end shell wall of the fixed shell 2, and the telescopic end of the electric cylinder 3 is fixedly connected to the lower end of the adjusting weir plate 21.
[0024] In the specific implementation process, as shown in Figure 1 and Figure 2 , a through port is arranged on the lower end shell wall of the strip shell 4, and the winding filter screen 42 is slidingly connected with the through port.
[0025] It should be noted that the telescopic end of the electric cylinder 3 controls the sliding of the adjusting weir plate 21 relative to the upper end shell wall of the fixed shell 2, and the upper end of the adjusting weir plate 21 drives the movement of the winding filter screen 42.
[0026] The winding filter screen 42 drives the rotating shaft 41 to rotate relative to the shell wall of the strip shell 4, that is, the area of the winding filter screen 42 can be conveniently adjusted according to the relative position of the adjusting weir plate 21, so as to meet the real-time filtering and processing of the backflow gas.
[0027] As shown in Figure 1 and Figure 2 , the strip shell 4 is fixedly arranged above the adjusting weir plate 21.
[0028] As shown in Figure 2 and Figure 3 , the reset assembly comprises an extension shaft 5, the extension shaft 5 is fixedly connected to one end of the rotating shaft 41, the extension shaft 5 is rotatably connected to the pipe wall of the back gas pipe 1, the extension shaft 5 is fixedly connected with a gear 51, one side of the gear 51 is provided with a rack 52, and the rack 52 and the gear 51 are meshed with each other.
[0029] It should be noted that the extension shaft 5 drives the gear 51 to move, and the rack 52 which is in mesh with the gear 51 moves accordingly, and the rack 52 can control the rotation of the gear 51.
[0030] Reference Figure 3 As shown, the outer wall of the gas return pipe 1 is provided with a cross pipe 6, one end of the cross pipe 6 is slidably connected with a slide rod 61, one end of the slide rod 61 is fixedly connected with the rack 52, and the inside of the cross pipe 6 is provided with a spring 62.
[0031] It should be noted that the rack 52 drives the slide rod 61 to slide, which is equivalent to the sliding of one end of the cross pipe 6, and the spring 62 is elastically deformed, so that the rack 52 can be reset and moved.
[0032] Reference Figure 3 And Figure 4 As shown, one end of the slide rod 61 is provided with a convex disc, one end of the spring 62 is connected with the convex disc, and the other end of the spring 62 is connected with the inner wall of the cross pipe 6.
[0033] It should be noted that the spring 62 restores the elastic deformation, that is, the cooperation of the spring 62 and the slide rod 61 can be realized, so that the winding filter screen 42 can be automatically wound while being reset and rotated.
[0034] Reference Figure 1 And Figure 3 As shown, the outer wall of the gas return pipe 1 is provided with a cross pipe 6, one end of the cross pipe 6 is slidably connected with a slide rod 61, one end of the slide rod 61 is fixedly connected with the rack 52, and the inside of the cross pipe 6 is provided with a spring 62.
[0035] The working principle of the weir plate type gas return device provided by the utility model is as follows: the electric cylinder 3 is started to control the extension end to slide the adjustable weir plate 21 relative to the upper end shell wall of the fixed shell 2, the upper end of the adjustable weir plate 21 drives the movement of the winding filter screen 42, the winding filter screen 42 drives the rotation of the rotating shaft 41 relative to the shell wall of the strip shell 4, that is, the area of the winding filter screen 42 can be conveniently adjusted according to the relative position of the adjustable weir plate 21, so as to realize the real-time filtering of the return gas.
[0036] The extension shaft 5 drives the gear 51 to move, and the rack 52 which is in mesh with the gear 51 moves accordingly, the rack 52 drives the slide rod 61 to slide, which is equivalent to the sliding of one end of the cross pipe 6, and the spring 62 is elastically deformed, that is, the cooperation of the spring 62 and the slide rod 61 can be realized, so that the winding filter screen 42 can be automatically wound while being reset and rotated.
[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion made by using the contents of the utility model specification and drawings, or directly or indirectly applied in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A weir plate gas return device, characterized by, Include: The return air pipe (1), the middle tube wall of the return air pipe (1) is fixedly connected with the fixed shell (2), the upper end side wall of the fixed shell (2) is provided with a sliding port, the sliding port is slidably connected with the adjusting weir plate (21), the lower end shell wall of the fixed shell (2) is installed and connected with the electric cylinder (3), the telescopic end of the electric cylinder (3) is fixedly connected with the lower end of the adjusting weir plate (21); The automatic processing mechanism includes a strip shell (4), the strip shell (4) is fixedly installed on the inner wall of the fixed shell (2), the rotating shaft (41) is rotatably connected in the strip shell (4), the winding filter screen (42) is installed and connected on the rotating shaft (41), one end of the winding filter screen (42) is connected with the adjusting weir plate (21), the rotating shaft (41) and the outer wall of the return air pipe (1) are provided with a reset assembly.
2. A weir plate gas return device according to claim 1, wherein The lower end shell wall of the strip shell (4) is provided with a through port, and the winding filter screen (42) is slidably connected with the through port.
3. A weir plate gas return device according to claim 1, wherein The strip shell (4) is fixedly arranged above the adjusting weir plate (21).
4. A weir plate gas return device according to claim 1, wherein The reset assembly includes an extension shaft (5), one end of the extension shaft (5) is fixedly connected with the rotating shaft (41), the extension shaft (5) is rotatably connected with the pipe wall of the return air pipe (1), the gear (51) is fixedly connected on the extension shaft (5), the rack (52) is provided on one side of the gear (51), and the rack (52) and the gear (51) are meshed with each other.
5. A weir-type gas reflux device according to claim 4, characterized in that: The outer wall of the return air pipe (1) is provided with a cross pipe (6), one end of the cross pipe (6) is slidably connected with a sliding rod (61), one end of the sliding rod (61) is fixedly connected with the rack (52), and the inside of the cross pipe (6) is provided with a spring (62).
6. A weir plate gas return device according to claim 5, wherein One end of the sliding rod (61) is provided with a convex disc, one end of the spring (62) is connected with the convex disc, and the other end of the spring (62) is connected with the inner wall of the cross pipe (6).
7. A weir plate gas return device according to claim 5, wherein The outer wall of the return air pipe (1) is provided with a sheet seat (7), and the cross pipe (6) is fixedly installed on the sheet seat (7).