CN219156852U - Methane reaction device - Google Patents
Methane reaction device Download PDFInfo
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- CN219156852U CN219156852U CN202221323097.6U CN202221323097U CN219156852U CN 219156852 U CN219156852 U CN 219156852U CN 202221323097 U CN202221323097 U CN 202221323097U CN 219156852 U CN219156852 U CN 219156852U
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- pressure reducing
- box body
- detection belt
- reducing valve
- safety valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
A methane reaction device comprises a methane tank and a methane storage membrane, wherein the top of the methane tank is provided with the methane storage membrane, a detection belt is arranged outside the methane storage membrane, and the detection belt is formed into a structure with a center emitting to the periphery by n detection belt sections; one of the n detection belt sections is a movable section, the rest n-1 detection belt sections are fixed sections, one ends of the movable section and the fixed section are gathered in the center of the biogas storage film, the other end of the movable section is a free end, and the other end of the fixed section is fixed in the biogas digester; the free end of the detection belt section is hoisted with a positive and negative pressure protection device through a guide device; the guide device comprises a support, the top of the support is provided with a rope guide, and the free end of the detection belt is hoisted with an operating rod of the positive and negative pressure protection device through the rope guide. According to the utility model, the guide device is arranged, so that the contact between the movable section in the detection belt and the air bag is reduced, the problem that the surface of the air bag at the detection belt is easy to wear is avoided, and the design is reasonable.
Description
Technical Field
The utility model belongs to the technical field of biogas fermentation processes, and particularly relates to a biogas reaction device.
Background
Biogas belongs to secondary energy and is a renewable energy source. Biogas is a combustible gas produced by fermentation of microorganisms under conditions of air-tight (reducing) and at a suitable temperature and PH.
A methane storage film is arranged at the top of the existing methane reaction device, and a detection belt for pressure relief is adjusted according to the height of the methane storage film, so that positive and negative pressure protection is realized. The surface of the biogas storage film at the detection belt is easy to wear, and potential safety hazards are generated.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the biogas reaction device which has long service life and high safety.
The technical scheme of the utility model is as follows: the device comprises a methane tank and a methane storage membrane, wherein the top of the methane tank is provided with the methane storage membrane, the outside of the methane storage membrane is provided with a detection belt, and the detection belt is formed into a structure with a center emitting to the periphery by n detection belt sections; one of the n detection belt sections is a movable section, the rest n-1 detection belt sections are fixed sections, one ends of the movable section and the fixed section are gathered in the center of the biogas storage film, the other end of the movable section is a free end, and the other end of the fixed section is fixed in the biogas digester; the free end of the detection belt section is hoisted with a positive and negative pressure protection device through a guide device; the positive and negative pressure protection device comprises a box body, wherein a pressure reducing valve is arranged at the upper part in the box body, and a vacuum safety valve is arranged at the lower part in the box body; the guide device comprises a support, the top of the support is provided with a rope guide, and the free end of the detection belt is hoisted with an operating rod of the positive and negative pressure protection device through the rope guide.
The rope guide device comprises a roller, the roller comprises a wheel body and a wheel shaft, the wheel body is sleeved in the middle of the wheel shaft, two ends of the wheel shaft of the roller are fixed on a bracket, and a guide surface for guiding the free end of the detection belt to move is formed on the surface of the wheel body of the roller.
Wheel shaft surfaces of the two sides of the wheel body are higher than the wheel body surface, a concave ring is formed in the middle of the surface of the roller, and the concave ring is used for positioning the detection belt and preventing the detection belt from deviating.
The rope guide device also comprises an auxiliary stop lever, a circle of flange is arranged in the middle of the auxiliary stop lever, and the flange corresponds to the concave ring.
The support comprises two vertical plates and supporting ribs connected between the two vertical plates, and two ends of a wheel shaft of the rope guider and two ends of the auxiliary stop rod are arranged on the two vertical plates.
The guiding device obliquely arranged on the side surface of the box body is fixed on the upper part of the methane tank.
Also comprises an endoscope for monitoring the working condition of the box body.
The end part of the operating rod positioned in the box body is connected with the pressure reducing valve cover, the middle part of the operating rod passes through the box body through a mounting hole on the box body, the side surface of the operating rod positioned outside the box body is connected with a cross rod, the end part of the cross rod is connected with a vertical rod, the end part of the vertical rod is connected with a lifting lug, and the free end of the detection belt is fixed at the lifting lug; the balancing weight is hung at the lower part of the operating rod.
A guide sleeve matched with the part of the operating rod positioned in the box body is arranged at the mounting hole of the box body, and the guide sleeve is positioned in the box body; and a flange pipe fitting is arranged at the exhaust through hole, and the end part of the flange pipe fitting is connected with an exhaust pipe.
The pressure reducing valve comprises a pressure reducing valve body, wherein the pressure reducing valve body is of a cylindrical structure with openings at the upper end and the lower end, the opening at the lower end of the pressure reducing valve body is a pressure reducing inlet, the opening at the upper end of the pressure reducing valve body is an exhaust port, and an exhaust channel is formed between the pressure reducing inlet and the exhaust port; the pressure reducing valve further comprises a pressure reducing valve cover, the pressure reducing valve cover is arranged at a pressure reducing inlet at the lower end of the pressure reducing valve body, and the pressure reducing valve further comprises an operating rod for driving the pressure reducing valve cover to lift so as to open/close the exhaust channel; an exhaust through hole is arranged at the top of the box body corresponding to the exhaust port, and a connecting pipe for connecting the methane tank is arranged on the side surface of the box body;
when the operating rod moves upwards to drive the pressure reducing valve cover to be separated from the pressure reducing inlet, the exhaust channel is opened, and gas is discharged through the exhaust channel; when the operating rod moves downwards to drive the pressure reducing valve cover cap to cover the pressure reducing inlet, the exhaust channel is closed;
the vacuum safety valve comprises a safety valve seat, wherein the safety valve seat is of a cylindrical structure with openings at the upper end and the lower end, and a leakage channel is formed between the openings at the upper end and the lower end of the safety valve seat; the vacuum safety valve further comprises a safety valve cover cap which is arranged at the opening at the upper end of the safety valve seat, and a guide rod for driving the safety valve cover cap to lift so as to open/close the air leakage channel; the lower part in the box body is also provided with a safety valve sealing liquid for sealing a cover opening of the safety valve cover; the bottom of the box body is provided with an assembly hole corresponding to the opening of the lower end of the vacuum safety valve.
According to the utility model, the guide device is arranged, so that the contact between the movable section in the detection belt and the biogas storage film is reduced, the problem that the surface of the biogas storage film at the detection belt is easy to wear is avoided, and the design is reasonable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the positive and negative pressure protection device;
FIG. 4 is a cross-sectional view of FIG. 3;
fig. 5 is a schematic view of the structure of the pressure reducing valve at the pressure reducing inlet.
Detailed Description
In fig. 1 and 2, the biogas storage film 21 is arranged at the top of the biogas digester 41, a detection belt is arranged outside the biogas storage film 21, the detection belt is formed by 3 detection belt sections, one of the 3 detection belt sections is a movable section 416, the other 2 detection belt sections are fixed sections 415, one ends of the movable section 416 and the fixed section 415 are converged at the center of the biogas storage film 21, the other end of the movable section 416 is a free end 417, and the other end of the fixed section 415 is fixed on the biogas digester 41. The free end of the detection belt section is hoisted with a positive and negative pressure protection device 31. The exhaust through hole of the positive and negative pressure protection device 31 is provided with a flange pipe fitting 5, and the end part of the flange pipe fitting 5 is connected with an exhaust pipe 51. The endoscope 102 can monitor the operation of the housing 101.
In fig. 3 and 4, the pressure reducing valve 1 is installed at the upper portion in the case 101. The pressure reducing valve 1 comprises a pressure reducing valve body, the pressure reducing valve body is of a cylindrical structure with openings at the upper end and the lower end, the opening at the lower end of the pressure reducing valve body is a pressure reducing inlet, and the opening at the upper end of the pressure reducing valve body is an exhaust port. The pressure reducing valve cover 6 is arranged at a pressure reducing inlet at the lower end of the pressure reducing valve body, an exhaust through hole is arranged at the top of the box body 101 corresponding to the exhaust port, and a flange pipe fitting 5 for connecting an exhaust pipe is arranged at the exhaust through hole; the side surface of the box body 101 is provided with a connecting pipe 7 for connecting the methane tank. The operating rod 11 drives the pressure reducing valve cover 6 to move upwards until the pressure reducing valve cover 6 is separated from the pressure reducing inlet, so that the exhaust can be realized. The operating rod 11 drives the pressure reducing valve cover 6 to move downwards until the pressure reducing valve cover 6 falls on the pressure reducing inlet, the opening of the pressure reducing valve cover 6 is sealed by the pressure reducing valve sealing liquid 3 in the accommodating cavity 181, and the exhaust through hole can be closed to prevent methane leakage. The end part of an operating rod 11 positioned in the box body is connected with the pressure reducing valve cover 6, and the middle part of the operating rod 11 passes through the box body through a mounting hole on the box body. The mounting hole on the box body is provided with a guide sleeve 122 matched with the part of the operating rod 11 positioned in the box body, and the guide sleeve 122 is positioned in the box body.
The support 401 is fixed between the box 101 and the methane tank 41, the support 401 comprises two vertical plates 403 and supporting ribs 404 connected between the two vertical plates, and two ends of a wheel shaft of the rope guider and two ends of an auxiliary stop rod 406 are arranged on the two vertical plates. The free end of the detection belt is hoisted with the operating rod 11 of the positive and negative pressure protection device 31 through the rope guider. The rope guide comprises a roller, the roller comprises a wheel body and a wheel shaft, the wheel body is sleeved in the middle of the wheel shaft, two ends of the wheel shaft of the roller are fixed on the support 401, and a guide surface for guiding the free end of the detection belt to move is formed on the surface of the wheel body of the roller. Wheel axle surfaces on two sides of the wheel body are higher than the wheel body surface, concave rings 405 are formed in the middle of the wheel surface and used for positioning the detection belt and preventing the detection belt from deviating. The middle part of the auxiliary stop lever is provided with a circle of flange which corresponds to the concave ring.
The vacuum safety valve 9 is arranged at the inner lower part of the box body 101, the vacuum safety valve 9 comprises a safety valve seat, a safety valve cover 8 and a guide rod 10, and the safety valve cover 8 is arranged at the opening of the upper end of the safety valve seat. The lower part in the box body 101 is also provided with a safety valve sealing liquid 4, and the bottom of the box body 101 is provided with an assembly hole corresponding to the opening of the lower end of the vacuum safety valve 9. And sealing rubber rings are arranged at the positions of the vacuum safety valve 9 and the assembly holes.
The end part of an operating rod 11 positioned in the box body is connected with the pressure reducing valve cover 6, the middle part of the operating rod 11 passes through the box body through a mounting hole on the box body, the side surface of the operating rod 11 positioned outside the box body is connected with a cross rod 114, the end part of the cross rod 114 is connected with a vertical rod 112, the end part of the vertical rod 112 is connected with a lifting lug 113, and the free end of a detection belt is fixed at the lifting lug 113; the balancing weight 111 is hung under the operating lever 11.
A circle of upper retainer ring which extends radially inwards is arranged at the upper port of the guide sleeve 122, and an upper abdication hole of the abdication operation rod 11 is arranged in the middle of the upper retainer ring; the lower port of the guide sleeve 122 is arranged on the sealing ring, and the operating rod 11 is sleeved on the inner ring of the sealing ring. The upper abdication hole is in clearance fit with the operating rod 11, the operating rod 11 is in clearance fit with the inner cavity of the guide sleeve 112, and the operating rod 11 is in movable sealing connection with the inner ring of the sealing ring.
In fig. 5, a ring of flange 182 extending inwards along the axial direction is arranged at the pressure reducing opening at the lower end of the pressure reducing valve body, and the flange and the bottom end of the inner wall of the pressure reducing valve body form an accommodating cavity 181 through a ring plate back cover 184; when the operating lever 11 moves downward to drive the relief valve cover 6 to cover the relief inlet, the opening of the relief valve cover 6 is sealed by the relief valve sealing liquid 3.
When the methane tank or the positive and negative pressure protection device is used, when the pressure in the tank body exceeds a critical value: on the one hand, the relief valve cover 6 in the relief valve 1 is raised, allowing gas to escape; on the other hand, the guide rod 10 of the vacuum safety valve 9 is manually pushed to lift the safety valve cover 8 to be separated from the upper end opening of the vacuum safety valve 9, and the gas can also flow to the lower end opening of the vacuum safety valve 9 through the upper end opening of the vacuum safety valve 9 and then to the bottom assembly hole of the box 101, so that pressure relief is realized. If the pressure in the tank body of the methane tank or the positive and negative pressure protection device is lower than the set limit, the pressure reducing valve cover 6 falls on the pressure reducing inlet to prevent methane or gas leakage. On the other hand, if the pressure in the tank or the positive and negative pressure protection device is lower than the set limit, the safety valve cover 8 of the vacuum safety valve 9 is raised to allow air to flow in, preventing negative pressure from being generated in the tank or the tank. In normal operation, the relief inlet of the relief valve is sealed by the relief valve sealing liquid 3 and the relief valve cover 8 is sealed by the relief valve sealing liquid 4.
Claims (10)
1. A biogas reaction device, characterized in that: the device comprises a methane tank (41) and a methane storage membrane (21), wherein the methane storage membrane (21) is arranged at the top of the methane tank (41), a detection belt is arranged outside the methane storage membrane (21), and the detection belt is formed into a structure with a central-to-peripheral emission type by n sections of detection belt sections; one of the n sections of detection belt sections is a movable section (416), the rest n-1 sections of detection belt sections are fixed sections (415), one ends of the movable section (416) and the fixed section (415) are converged at the center of the biogas storage film (21), the other end of the movable section (416) is a free end (417), and the other end of the fixed section (415) is fixed on the biogas digester (41); the free end of the detection belt section is hoisted by a positive and negative pressure protection device (31) through a guide device; the positive and negative pressure protection device (31) comprises a box body (101), wherein a pressure reducing valve (1) is arranged at the upper part in the box body (101), and a vacuum safety valve (9) is arranged at the lower part in the box body (101);
the guiding device comprises a support (401), a rope guide is arranged at the top of the support (401), and the free end of the detection belt is hoisted with an operating rod (11) of the positive and negative pressure protection device (31) through the rope guide.
2. Biogas reaction apparatus according to claim 1, characterized in that: the rope guide device comprises a roller, the roller comprises a roller body and a roller shaft, the roller body is sleeved in the middle of the roller shaft, two ends of the roller shaft of the roller are fixed on a bracket (401), and a guide surface for guiding the free end of the detection belt to move is formed on the surface of the roller body of the roller.
3. Biogas reaction apparatus according to claim 2, characterized in that: wheel axle surfaces on two sides of the wheel body are higher than the wheel body surface, and concave rings (405) are formed in the middle of the surface of the roller.
4. Biogas reaction apparatus according to claim 1, characterized in that: the rope guide also comprises an auxiliary stop lever (406), the middle part of the auxiliary stop lever is provided with a circle of flange, and the flange corresponds to the concave ring.
5. Biogas reaction apparatus according to claim 1, characterized in that: the bracket (401) comprises two vertical plates (403) and supporting ribs (404) connected between the two vertical plates, and two ends of a wheel shaft of the rope guider and two ends of an auxiliary stop lever (406) are arranged on the two vertical plates.
6. Biogas reaction apparatus according to claim 1, characterized in that: the guiding device which is obliquely arranged on the side surface of the box body is fixed on the upper part of the methane tank (41).
7. Biogas reaction apparatus according to claim 1, characterized in that: also comprises an endoscope (102) for monitoring the working condition of the box body (101).
8. Biogas reaction apparatus according to claim 1, characterized in that: the end part of an operating rod (11) positioned in the box body is connected with the pressure reducing valve cover cap (6), the middle part of the operating rod (11) passes through the box body through a mounting hole on the box body, the side surface of the operating rod (11) positioned outside the box body is connected with a cross rod (114), the end part of the cross rod (114) is connected with a vertical rod (112), the end part of the vertical rod (112) is connected with a lifting lug (113), and the free end of the detection belt is fixed at the lifting lug (113); the lower part of the operating rod (11) is hung with a balancing weight (111).
9. Biogas reaction apparatus according to claim 1, characterized in that: the mounting hole on the box body is provided with a guide sleeve (122) which is matched with the part of the operating rod (11) positioned in the box body, and the guide sleeve (122) is positioned in the box body.
10. Biogas reaction apparatus according to claim 1, characterized in that: the pressure reducing valve (1) comprises a pressure reducing valve body, wherein the pressure reducing valve body is of a cylindrical structure with openings at the upper end and the lower end, the opening at the lower end of the pressure reducing valve body is a pressure reducing inlet, the opening at the upper end of the pressure reducing valve body is an exhaust port, and an exhaust channel is formed between the pressure reducing inlet and the exhaust port; the pressure reducing valve (1) further comprises a pressure reducing valve cover cap (6), the pressure reducing valve cover cap (6) is arranged at a pressure reducing inlet at the lower end of the pressure reducing valve body, and the pressure reducing valve (1) further comprises an operating rod (11) for driving the pressure reducing valve cover cap (6) to lift so as to open/close an exhaust passage; an exhaust through hole is arranged at the top of the box body (101) corresponding to the exhaust port, and a connecting pipe (7) is arranged on the side surface of the box body (101);
when the operating rod (11) moves upwards to drive the pressure reducing valve cover cap (6) to be separated from the pressure reducing inlet, the exhaust channel is opened, and the gas is discharged through the exhaust channel; when the operating rod (11) moves downwards to drive the pressure reducing valve cover cap (6) to cover the pressure reducing inlet, the exhaust passage is closed;
the vacuum safety valve (9) comprises a safety valve seat which is of a cylindrical structure with openings at the upper end and the lower end, and a leakage channel is formed between the openings at the upper end and the lower end of the safety valve seat; the vacuum safety valve (9) further comprises a safety valve cover cap (8), the safety valve cover cap (8) is arranged at the opening at the upper end of the safety valve seat, and the vacuum safety valve (9) further comprises a guide rod (10) for driving the safety valve cover cap (8) to lift so as to open/close the air leakage channel; the lower part in the box body (101) is also provided with a safety valve sealing liquid (4) for sealing a cover opening of the safety valve cover (8); the bottom of the box body (101) is provided with an assembly hole corresponding to the opening of the lower end of the vacuum safety valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221323097.6U CN219156852U (en) | 2022-05-30 | 2022-05-30 | Methane reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221323097.6U CN219156852U (en) | 2022-05-30 | 2022-05-30 | Methane reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219156852U true CN219156852U (en) | 2023-06-09 |
Family
ID=86615688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221323097.6U Active CN219156852U (en) | 2022-05-30 | 2022-05-30 | Methane reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219156852U (en) |
-
2022
- 2022-05-30 CN CN202221323097.6U patent/CN219156852U/en active Active
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