Biogas purifying, absorbing and filtering device
By coordinating the tank, horizontal plate, baffle, and servo motor, a seal is achieved during filter cartridge replacement. Combined with pressure relief, this solves the diffusion problem that traditional biogas devices encounter when replacing filter cartridges, thus improving safety and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional biogas purification and filtration devices require complete disassembly when replacing the filter element, which leads to the diffusion of biogas, polluting the environment and increasing safety hazards.
The design incorporates a tank, horizontal plates, baffles, vertical rods, and a servo motor to seal the upper part of the tank during filter cartridge replacement. Combined with a pressure relief pipe, pressure relief valve, and collection box, it processes biogas and reduces the risk of diffusion.
It effectively reduces air pollution in the surrounding working environment, improves safety, and reduces the probability of accidents.
Smart Images

Figure CN224024570U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a marsh gas technology field, concretely is a marsh gas purification absorption filter device. BACKGROUND
[0002] Marsh gas, chemical name: methane, is the gas in the marsh, people often see, in the marsh, sewage ditch or manure pit, there is bubble to come out, if we draw the match, can ignite it, this is the natural occurrence of marsh gas in nature, marsh gas is the secondary energy, and is renewable energy;
[0003] The disclosed document: "CN202420413374.5 a marsh gas purification absorption filter device", including filter jar, the inside lower portion of filter jar is installed with hydraulic cylinder, the upper portion of hydraulic cylinder is installed with hydraulic rod, the upper portion of hydraulic rod is movably connected with movable plate, the upper portion of movable plate is installed with filter core, the upper portion of filter core is fixed with baffle, the side of filter jar is installed with inlet pipe, the side of inlet pipe is installed with first fixed disc, the outside of first fixed disc is equipped with clamp; this kind of marsh gas purification absorption filter device is fixed with clamp on the outside of sealing ring through first bolt in the use process of the device, sealing ring seals the connecting place of marsh gas inlet pipe, can effectively prevent the leakage of marsh gas, the leakage of marsh gas can cause poisoning and other safety accidents, reduces the safety hazard of staff, and preventing marsh gas leakage is beneficial to the safety of production;
[0004] The conventional marsh gas purification filter device needs to be disassembled as a whole when replacing the filter core, which increases the operation difficulty and makes the untreated marsh gas in the device diffuse into the surrounding air, thereby polluting the surrounding operation environment, and if the marsh gas cannot be dispersed in time, accidents can easily occur when there is an open flame or static electricity around, thereby causing inconvenience to people. UTILITY MODEL CONTENTS
[0005] In view of the defects of the prior art, the utility model provides a marsh gas purification absorption filter device, which solves the problems that the conventional marsh gas purification filter device needs to be disassembled as a whole when replacing the filter core, which increases the operation difficulty and makes the untreated marsh gas in the device diffuse into the surrounding air, thereby polluting the surrounding operation environment, and if the marsh gas cannot be dispersed in time, accidents can easily occur when there is an open flame or static electricity around, thereby causing inconvenience to people.
[0006] In order to achieve the above object, the utility model discloses a marsh gas purification absorption filter device through the following technical schemes, a tank body is provided, the inner wall of tank body top is fixedly connected with the transverse plate, a plurality of openings are processed in the inside of transverse plate equidistantly, a plurality of filter cartridges are tightly connected below the transverse plate, and the upper portion of filter cartridge is communicated with the opening of transverse plate, the inner wall of transverse plate is attached with the baffle, the top of baffle is fixedly connected with the vertical rod, the inner wall of transverse plate is rotatably connected with the top of vertical rod through the sealed bearing, the inner wall of tank body top is rotatably connected with the top of vertical rod through the sealed bearing, the top of tank body is fixedly connected with the servo motor, the output of servo motor is fixedly connected with the top of vertical rod, the side top of tank body is communicated with the air inlet pipe, the side bottom of tank body away from air inlet pipe is communicated with the air outlet pipe, the bottom of filter cartridge is fixedly connected with the support plate that is attached with the inner wall of tank body through bolt, the side bottom of tank body near air inlet pipe is fixedly connected with the cover body through bolt.
[0007] Preferably, sealing pads are arranged between the cover body and the tank body, between the support plate and the tank body, and between the baffle and the transverse plate.
[0008] Preferably, a sleeve is attached to the bottom of the support plate, a threaded rod is threadedly connected to the inner wall of the sleeve, and the bottom of the threaded rod is rotatably connected to the bottom of the inner wall of the tank body through a bearing.
[0009] Preferably, a first limiting rod is fixedly connected to the side of the bottom of the transverse plate away from the air inlet pipe, the first limiting rod is inserted into the side of the support plate away from the air inlet pipe, a connecting frame is fixedly connected to the side of the outer wall of the sleeve away from the air inlet pipe, and a second limiting rod is inserted into the inner wall of the connecting frame and fixedly connected to the bottom of the inner wall of the tank body.
[0010] Preferably, a pressure relief pipe is communicated with the side of the top of the tank body away from the air inlet pipe, a pressure relief valve is installed on the top of the pressure relief pipe, a collection box is fixedly connected to the side of the top of the tank body away from the air inlet pipe, the pressure relief pipe penetrates the top of the collection box and extends to the inside of the collection box, and an exhaust pipe is communicated with the side of the top of the collection box.
[0011] Beneficial effects
[0012] The utility model provides a kind of marsh gas purification absorption filter device.It has the following beneficial effects: the marsh gas purification absorption filter device can seal the upper space of tank body when replacing filter cartridge by the cooperation of tank body, transverse plate, baffle, vertical rod and servo motor, which can avoid the marsh gas in tank body from diffusing into surrounding air when replacing filter cartridge, thereby minimizing the degree of air pollution in surrounding working environment, and also reducing the content of marsh gas concentration in air, greatly reducing the probability of accident, thus improving use safety and facilitating the use of staff.
[0013] The cooperation of the pressure relief pipe, the pressure relief valve, the collecting box and the exhaust pipe can quickly relieve pressure when the pressure in the tank body is too high, and can treat harmful substances in the discharged biogas to reduce the degree of surrounding air pollution. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is Figure 1 It is another structural schematic view of the middle horizontal plate, the filter cartridge and the baffle plate;
[0016] Figure 3 It is Figure 1 It is a structural schematic view of the middle tank body, the horizontal plate and the baffle plate;
[0017] Figure 4 It is Figure 1 It is another structural schematic view of the support plate, the sleeve pipe and the connecting frame.
[0018] In the figure: 1, tank body; 2, cover body; 3, filter cartridge; 4, horizontal plate; 5, baffle plate; 6, vertical rod; 7, servo motor; 8, air inlet pipe; 9, support plate; 10, sleeve pipe; 11, threaded rod; 12, connecting frame; 13, second limiting rod; 14, exhaust pipe; 15, air outlet pipe; 16, first limiting rod; 17, collecting box; 18, pressure relief pipe; 19, pressure relief valve. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] Those skilled in the art will connect the parts in the case in sequence, and the specific connection and operation sequence should refer to the following working principle. The detailed connection means is a known technology in the art, and the following mainly introduces the working principle and process.
[0021] When the filter core is replaced in the use of the traditional biogas purification and filtration device, the whole device needs to be disassembled, which not only increases the operation difficulty, but also makes the untreated biogas in the device diffuse to the surrounding air in large quantities, thereby causing pollution to the surrounding operation environment. If the biogas cannot be dispersed in time, accidents are easy to occur when there is an open flame or static electricity around, thereby bringing inconvenience to people's use.
[0022] Therefore, the biogas purification absorption filter device can avoid that the biogas in the tank body diffuses into the surrounding air when the filter cartridge is replaced, and can reduce the degree of air pollution in the surrounding working environment to the greatest extent, and can also reduce the content of the biogas concentration in the air, greatly reducing the probability of accidents, thereby improving the use safety and facilitating the use of the staff.
[0023] Embodiment one: from Figure 1 、 2 , 3 and 4, a biogas purification absorption filter device, comprising a tank body 1, the inner wall of the tank body 1 is fixedly connected with a horizontal plate 4, a plurality of openings are processed equidistantly in the inside of the horizontal plate 4, a plurality of filter cartridges 3 are tightly connected below the horizontal plate 4, and the upper part of the filter cartridge 3 is communicated with the opening of the horizontal plate 4, the inner wall of the horizontal plate 4 is attached with a baffle 5, the top of the baffle 5 is fixedly connected with a vertical rod 6, the end of the vertical rod 6 is rotatably connected with the inner wall of the horizontal plate 4 through a sealing bearing, the upper part of the vertical rod 6 is rotatably connected with the upper part of the inner wall of the tank body 1 through a sealing bearing, the top of the tank body 1 is fixedly connected with a servo motor 7, the output end of the servo motor 7 is fixedly connected with the top of the vertical rod 6, the upper part of one side of the tank body 1 is communicated with an air inlet pipe 8, the lower part of the side of the tank body 1 away from the air inlet pipe 8 is communicated with an air outlet pipe 15, the bottom of the filter cartridge 3 is fixedly connected with a supporting plate 9 attached to the inner wall of the tank body 1 through bolts, and the lower part of the side of the tank body 1 close to the air inlet pipe 8 is fixedly connected with a cover body 2 through bolts;
[0024] In the specific implementation process, it is particularly worth pointing out that the filter cartridge 3 can filter and absorb impurities in the biogas, the filter performance of the filter cartridge 3 is not improved in the case, the filter cartridge 3 is an absorption filter assembly of the existing purification absorption filter device, and therefore too much description is not given, and the filter cartridge 3 should be understood in a broad sense by those skilled in the art, the inside of the baffle 5 is processed with openings corresponding to the openings of the horizontal plate 4, when the two openings coincide, the biogas above the tank body 1 can enter the inside of the filter cartridge 3 for filtration, the model of the servo motor 7 is not limited, and the servo motor 7 can meet the use requirement, the staff can replace the filter cartridge 3 regularly according to the actual use condition, the specific replacement period is not limited, and the filter cartridge 3 can meet the use requirement, the case should be provided with a corresponding pressure gauge, so that the staff can accurately know the pressure of the inside of the tank body 1, the connection mode and the installation position of the tank body 1 and the pressure gauge are not limited, and the tank body 1 can meet the use requirement, the air inlet pipe 8, the air outlet pipe 15 and the pressure relief pipe 18 should be provided with a one-way valve, so that the backflow of the biogas can be avoided;
[0025] Further, sealing pads are arranged between the cover body 2 and the tank body 1, between the supporting plate 9 and the tank body 1 and between the baffle 5 and the horizontal plate 4;
[0026] In the specific implementation process, it is worth pointing out that the sealing gasket can improve the sealing quality between the cover 2 and the tank body 1, between the supporting plate 9 and the tank body 1, and between the baffle 5 and the horizontal plate 4, thereby avoiding the phenomenon of biogas leakage, and the staff needs to replace the sealing gasket regularly, thereby avoiding the problem of sealing quality decline caused by damage to the sealing gasket, and the specific replacement period is not limited, which meets the use requirement;
[0027] Further, the bottom of the supporting plate 9 is attached with a sleeve 10, the inner wall of the sleeve 10 is threadedly connected with a threaded rod 11, and the bottom of the threaded rod 11 is rotatably connected with the inner wall bottom of the tank body 1 through a bearing;
[0028] In the specific implementation process, it is worth pointing out that twisting the threaded rod 11 can change the position height of the sleeve 10, thereby changing the height of the supporting plate 9, and installing the filter cartridge 3 at the bottom of the horizontal plate 4, it should be noted that a handle needs to be installed at the bottom of the supporting plate 9, so that when the sleeve 10 is away from the bottom of the supporting plate 9, the staff can use the handle to pull the supporting plate 9 from above the inside of the tank body 1, so as to replace the filter cartridge 3;
[0029] Further, the bottom of the horizontal plate 4 away from the side of the air inlet pipe 8 is fixedly connected with a first limiting rod 16, the first limiting rod 16 is inserted into the side of the supporting plate 9 away from the air inlet pipe 8, and the outer wall of the sleeve 10 away from the side of the air inlet pipe 8 is fixedly connected with a connecting frame 12, and the inner wall of the connecting frame 12 is inserted with a second limiting rod 13 fixedly connected with the inner wall bottom of the tank body 1;
[0030] In the specific implementation process, it is worth pointing out that the first limiting rod 16 can limit the supporting plate 9, and the connecting frame 12 and the second limiting rod 13 can limit the position of the sleeve 10, and the surface of the first limiting rod 16 is provided with a sealing gasket, thereby ensuring that the biogas above the supporting plate 9 cannot enter the inside of the tank body 1, and the staff needs to replace the sealing gasket on the surface of the first limiting rod 16 regularly, and the specific replacement period is not limited, which meets the use requirement;
[0031] Specifically, in use of the biogas purification absorption filter device, first, the staff injects the biogas into the inside of the tank body 1 through the air inlet pipe 8, then the staff starts the servo motor 7, the servo motor 7 drives the baffle 5 to rotate through the vertical rod 6, when the opening of the baffle 5 coincides with the opening of the horizontal plate 4, the biogas above the tank body 1 enters the inside of the filter cartridge 3 for treatment, then the treated biogas is discharged through the air outlet pipe 15, when the filter cartridge 3 needs to be replaced, the staff controls the servo motor 7, the servo motor 7 drives the baffle 5 to rotate through the vertical rod 6, when the baffle 5 seals the horizontal plate 4, the staff opens the cover 2, then the staff twists the threaded rod 11, the threaded rod 11 drives the sleeve 10 to move downwards, when the sleeve 10 moves to a certain position, the supporting plate 9 is pulled down, when the supporting plate 9 leaves the surface of the first limiting rod 16, the supporting plate 9 is disassembled, then the filter cartridge 3 is replaced.
[0032] Embodiment two: by Figure 1 It can be known that the tank body 1 is communicated with the pressure relief pipe 18 above the side far from the air inlet pipe 8, the pressure relief valve 19 is installed above the pressure relief pipe 18, the collecting box 17 is fixedly connected above the side far from the air inlet pipe 8 of the tank body 1, the pressure relief pipe 18 penetrates through the top of the collecting box 17 and extends to the inside of the collecting box 17 below, the exhaust pipe 14 is communicated with the side of the collecting box 17 above;
[0033] In the specific implementation process, it is worth pointing out that the staff can put the treatment agent such as activated carbon and alkaline solution (such as sodium hydroxide) into the inside of the collecting box 17 to treat the sulfide in the biogas, the specific treatment agent is not limited, and it meets the use requirement;
[0034] Specifically, on the basis of the above embodiment one, the staff can judge the pressure in the tank body 1 according to the data display of the pressure gauge, when the pressure in the tank body 1 is too large, the staff can open the pressure relief valve 19, then the biogas in the tank body 1 enters the inside of the collecting box 17 through the pressure relief pipe 18 for desulfurization treatment, then the treated biogas is discharged through the exhaust pipe 14, it is worth noting that in order to ensure the safety of the surrounding environment, the staff can collect the biogas discharged from the exhaust pipe 14 by using the collecting equipment, the specific collecting equipment is not limited, and it meets the use requirement.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A biogas purification, absorption, and filtration device, comprising a tank (1), characterized in that: A horizontal plate (4) is fixedly connected to the upper part of the inner wall of the tank (1). Multiple openings are equidistantly machined inside the horizontal plate (4). Multiple filter cylinders (3) are pressed against the lower part of the horizontal plate (4), and the upper part of the filter cylinders (3) is connected to the openings of the horizontal plate (4). A baffle (5) is attached to the inner wall of the horizontal plate (4). A vertical rod (6) is fixedly connected to the top of the baffle (5). The end of the vertical rod (6) is rotatably connected to the inner wall of the horizontal plate (4) through a sealed bearing. The upper part of the vertical rod (6) is connected to the inner wall of the tank (1) through a sealed bearing. The top of the tank (1) is fixedly connected to a servo motor (7), the output end of the servo motor (7) is fixedly connected to the top of the vertical rod (6), an air inlet pipe (8) is connected to the top of one side of the tank (1), an air outlet pipe (15) is connected to the bottom of the side of the tank (1) away from the air inlet pipe (8), a support plate (9) that fits against the inner wall of the tank (1) is fixedly connected to the bottom of the filter cartridge (3) by bolts, and a cover (2) is fixedly connected to the bottom of the side of the tank (1) near the air inlet pipe (8) by bolts.
2. The biogas purification, absorption, and filtration device according to claim 1, characterized in that: Sealing gaskets are provided between the cover (2) and the tank (1), between the support plate (9) and the tank (1), and between the baffle (5) and the cross plate (4).
3. The biogas purification, absorption, and filtration device according to claim 1, characterized in that: The bottom of the support plate (9) is fitted with a sleeve (10), and the inner wall of the sleeve (10) is threaded with a threaded rod (11). The bottom of the threaded rod (11) is rotatably connected to the bottom of the inner wall of the tank (1) through a bearing.
4. The biogas purification, absorption, and filtration device according to claim 3, characterized in that: A first limiting rod (16) is fixedly connected to the bottom of the horizontal plate (4) on the side away from the air inlet pipe (8). The first limiting rod (16) is inserted into the side of the support plate (9) away from the air inlet pipe (8). A connecting frame (12) is fixedly connected to the outer wall of the sleeve (10) on the side away from the air inlet pipe (8). A second limiting rod (13) is inserted into the inner wall of the connecting frame (12) and fixedly connected to the bottom of the inner wall of the tank (1).
5. The biogas purification, absorption, and filtration device according to claim 1, characterized in that: A pressure relief pipe (18) is connected to the upper side of the tank (1) away from the air inlet pipe (8). A pressure relief valve (19) is installed above the pressure relief pipe (18). A collection box (17) is fixedly connected to the upper side of the tank (1) away from the air inlet pipe (8). The pressure relief pipe (18) passes through the upper part of the collection box (17) and extends to the lower part of the inside of the collection box (17). An exhaust pipe (14) is connected to the upper side of the collection box (17).
Citation Information
Patent Citations
Biogas purifying, absorbing and filtering device
CN222524462U