CN221028444U - Methane positive and negative pressure protection device - Google Patents
Methane positive and negative pressure protection device Download PDFInfo
- Publication number
- CN221028444U CN221028444U CN202322811564.0U CN202322811564U CN221028444U CN 221028444 U CN221028444 U CN 221028444U CN 202322811564 U CN202322811564 U CN 202322811564U CN 221028444 U CN221028444 U CN 221028444U
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- Prior art keywords
- negative pressure
- positive
- biogas
- fixed
- protection device
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 20
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 210000003437 trachea Anatomy 0.000 claims 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 101100520231 Caenorhabditis elegans plc-3 gene Proteins 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a biogas positive and negative pressure protection device, which relates to the technical field of biogas application and comprises a fixed table, wherein the top end of the fixed table is provided with a collection assembly, the collection assembly comprises a tank body and a sealing cover, two mounting blocks, a positive pressure sensor, a negative pressure sensor, an adjusting mechanism and a detection assembly, the tank body is fixedly arranged at the top end of the fixed table, the top end of the tank body is provided with the sealing cover, and the sealing cover is in threaded connection with the tank body through bolts, and the biogas positive and negative pressure protection device has the beneficial effects that: the device detects automatic regulation to the biogas pressure fluctuation in the tank body, reduces manual intervention, is more convenient to use, ensures the stable operation of a biogas system, ensures the safe operation of biogas equipment and a storage system, is convenient for detecting the air tightness between the tank body and a sealing cover by a detection component, has the advantages of automatic regulation, high safety, wide applicability and the like, and can be widely applied to the biogas application field.
Description
Technical Field
The utility model relates to a positive and negative pressure protection device, in particular to a methane positive and negative pressure protection device, and belongs to the technical field of methane application.
Background
Biogas is a renewable energy source and is widely applied to rural life and agricultural production, however, the combustion performance of biogas and the gas pressure fluctuation generated in the biogas fermentation process are important challenges faced by using biogas equipment and a storage system, so that a biogas positive and negative pressure protection device is needed to ensure the safe operation of the biogas equipment and the storage system;
The utility model discloses a "marsh gas anaerobic positive and negative pressure protection device with catchment function" wherein the application number is "CN201920521431.0" is also the technology of maturing day by day, and it proposes "including discharge port and delivery port, the jar body is installed to the bottom of discharge port, and the lateral surface of jar body all is fixed with malleation level gauge and negative pressure level gauge to the right side of malleation level gauge is provided with the liquid level scale, the negative pressure level gauge is installed on the right side of liquid level scale, the left side of jar body is fixed with the marsh gas interface, and the below of marsh gas interface is provided with positive pressure water seal compensation decompression pipe, the negative pressure water seal compensation intake pipe is installed on the right side of jar body, and the bottom of jar body is fixed with malleation overflow pipe and negative pressure overflow pipe. The biogas anaerobic positive and negative pressure protection device with the water collecting function is provided with the negative pressure liquid level meter, and the negative pressure value is well measured through the negative pressure liquid level meter, so that the negative pressure value is conveniently adjusted through the negative pressure water seal compensation air inlet pipe and the negative pressure overflow pipe, and the anaerobic fermentation tank is well protected;
however, the positive and negative pressure protection device has the following defects in the use process:
In the process of regulating positive and negative pressure, more workers are required to interfere, the working efficiency is required to be improved, and meanwhile, a good air leakage detection device is not arranged, so that the safety of the tank body is required to be improved.
Disclosure of utility model
The utility model aims to provide a methane positive and negative pressure protection device, which solves the problems that in the background art, workers are required to interfere more in the process of regulating positive and negative pressure, the working efficiency is required to be improved, and a good air leakage detection device is not arranged.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a marsh gas positive and negative pressure protection device, includes the fixed station, the top of fixed station is equipped with collection subassembly, collection subassembly includes a jar body, sealed lid, two installation pieces, positive pressure sensor, negative pressure sensor, adjustment mechanism and detection component, the fixed top that sets up at the fixed station of jar body, the top of jar body is provided with sealed lid, sealed lid passes through bolt and jar body threaded connection, the both sides at jar internal wall top are all fixed and are provided with the installation piece, one of them the fixed surface of installation piece is provided with positive pressure sensor, another the fixed surface of installation piece is provided with negative pressure sensor, the fixed intake pipe that is provided with in bottom of jar body one side.
Preferably, the regulating mechanism comprises a positive pressure air pipe, a negative pressure air pipe, a positive pressure regulating valve, a negative pressure regulating valve and a control box, wherein the positive pressure air pipe is fixedly arranged on one side of the top end of the sealing cover, the negative pressure air pipe is fixedly arranged on the other side of the top end of the sealing cover, the positive pressure regulating valve is fixedly arranged in the middle of the positive pressure air pipe, the negative pressure regulating valve is fixedly arranged in the middle of the negative pressure air pipe, and the control box is fixedly arranged in the middle of the surface of the tank body.
Preferably, a first PLC controller is fixedly arranged on one side of the control box, and a second PLC controller is fixedly arranged on the other side of the control box.
Preferably, a protective door is hinged to one side of the control box, and an electronic coded lock is fixedly arranged on the surface of the protective door.
Preferably, the detection component comprises a sealing plate, a water storage pipe, a drain pipe and a drain valve, wherein the sealing plate is fixedly arranged at the top of the surface of the tank body, the water storage pipe is fixedly arranged at the top end of the sealing plate, the drain pipe is fixedly arranged at the bottom end of one side of the water storage pipe, and the drain valve is fixedly arranged in the middle of the drain pipe.
Preferably, the middle part on sealed lid top is fixed and is provided with the spirit level, the bottom mounting of fixed station is provided with the support frame.
Preferably, the positive pressure sensor is electrically connected with the positive pressure regulating valve through a first PLC controller, and the negative pressure sensor is electrically connected with the negative pressure regulating valve through a second PLC controller.
Compared with the related art, the biogas positive and negative pressure protection device provided by the utility model has the following beneficial effects:
The biogas pressure fluctuation in the tank body is detected and automatically regulated through the cooperation of the positive pressure sensor, the negative pressure sensor, the regulating mechanism and the PLC, so that manual intervention is reduced, the biogas pressure fluctuation detection device is more convenient to use, the stable operation of a biogas system is ensured, the safe operation of biogas equipment and a storage system is ensured, the detection component is convenient to detect the air tightness between the tank body and the sealing cover, and the biogas pressure fluctuation detection device has the advantages of automatic regulation, high safety, wide applicability and the like, and can be widely applied to the biogas application field.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
Fig. 4 is an enlarged schematic view of the structure of fig. 1 at a.
In the figure: 1. a fixed table; 2. a collection assembly; 3. a first PLC controller; 4. a second PLC controller; 5. a detection assembly; 6. a protective door; 7. an electronic coded lock; 8. an air inlet pipe; 9. a level gauge; 10. a support frame; 21. a tank body; 22. sealing cover; 23. a mounting block; 24. a positive pressure sensor; 25. a negative pressure sensor; 26. an adjusting mechanism; 261. a positive pressure air tube; 262. a negative pressure air pipe; 263. a positive pressure regulating valve; 264. a negative pressure regulating valve; 265. a control box; 51. a sealing plate; 52. a water storage pipe; 53. a drain pipe; 54. and (3) a drainage valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
Referring to fig. 1-4, the utility model provides a biogas positive and negative pressure protection device, which comprises a fixed table 1, wherein the top end of the fixed table 1 is provided with a collection assembly 2, the collection assembly 2 comprises a tank body 21 and a sealing cover 22, two mounting blocks 23, a positive pressure sensor 24, a negative pressure sensor 25, an adjusting mechanism 26 and a detection assembly 5, the tank body 21 is fixedly arranged at the top end of the fixed table 1, the top end of the tank body 21 is provided with the sealing cover 22, the sealing cover 22 is in threaded connection with the tank body 21 through bolts, both sides of the top of the inner wall of the tank body 21 are fixedly provided with the mounting blocks 23, the surface of one mounting block 23 is fixedly provided with the positive pressure sensor 24, the surface of the other mounting block 23 is fixedly provided with the negative pressure sensor 25, the bottom of one side of the tank body 21 is fixedly provided with an air inlet pipe 8, and biogas is filled into the tank body 21 through the air inlet pipe 8;
The regulating mechanism 26 comprises a positive pressure air pipe 261, a negative pressure air pipe 262, a positive pressure regulating valve 263, a negative pressure regulating valve 264 and a control box 265, wherein the positive pressure air pipe 261 is fixedly arranged on one side of the top end of the sealing cover 22, the negative pressure air pipe 262 is fixedly arranged on the other side of the top end of the sealing cover 22, the positive pressure regulating valve 263 is fixedly arranged in the middle of the positive pressure air pipe 261, the negative pressure regulating valve 264 is fixedly arranged in the middle of the negative pressure air pipe 262, and the control box 265 is fixedly arranged in the middle of the surface of the tank body 21;
A first PLC controller 3 is fixedly arranged on one side of the interior of the control box 265, a second PLC controller 4 is fixedly arranged on the other side of the interior of the control box 265, and the second PLC controller 4 controls the opening and closing conditions of the negative pressure regulating valve 264, and the models of the first PLC controller 3 and the second PLC controller 4 are FX3U-16;
One side of the control box 265 is hinged with a protective door 6, the surface of the protective door 6 is fixedly provided with an electronic coded lock 7, and the safety of electronic equipment in the control box 265 is improved by arranging the electronic coded lock 7;
The middle part of the top end of the sealing cover 22 is fixedly provided with a level meter 9, the bottom end of the fixed table 1 is fixedly provided with a supporting frame 10, and the supporting frame 10 is conveniently fixed by observing the level condition of the level meter 9 so as to improve the stability of the tank body 21;
The positive pressure sensor 24 is electrically connected with the positive pressure regulating valve 263 through the first PLC 3, and the negative pressure sensor 25 is electrically connected with the negative pressure regulating valve 264 through the second PLC 4;
Specifically, as shown in fig. 1, 2, 3 and 4, biogas is first filled into the tank 21 through the air inlet pipe 8 at one side, in order to facilitate automatic adjustment of the biogas pressure, a positive pressure sensor 24 and a negative pressure sensor 25 are provided in the tank 21, when the positive pressure sensor 24 detects the gas pressure change of the positive pressure part, a signal is transmitted to the first PLC controller 3, the first PLC controller 3 controls the opening and closing condition of the positive pressure regulating valve 263 according to the signal of the positive pressure sensor 24, when the gas pressure rises to a certain extent, the first PLC controller 3 opens the positive pressure regulating valve 263, releases excessive positive pressure gas to maintain the pressure balance in the tank 21, and when the gas pressure drops to a certain extent, the negative pressure sensor 25 transmits a signal to the second PLC controller 4, and the second PLC controller 4 maintains the negative pressure balance of the system by controlling the opening and closing condition of the negative pressure regulating valve 264.
Example 2:
The detection assembly 5 comprises a sealing plate 51, a water storage pipe 52, a drain pipe 53 and a drain valve 54, wherein the sealing plate 51 is fixedly arranged at the top of the surface of the tank body 21, the water storage pipe 52 is fixedly arranged at the top end of the sealing plate 51, the drain pipe 53 is fixedly arranged at the bottom end of one side of the water storage pipe 52, the drain valve 54 is fixedly arranged in the middle of the drain pipe 53, and the drain pipe 53 is convenient for draining and recycling water in the water storage pipe 52;
Specifically, as shown in fig. 1, 2 and 3, firstly, in order to facilitate the detection of the air tightness between the tank 21 and the sealing cover 22, a water storage pipe 52 is provided at the top of the tank 21 through a sealing plate 51, during the detection, a proper amount of water is injected into the water storage pipe 52, and the connection part between the tank 21 and the sealing cover 22 is immersed in water, such as bubbles can appear in water with poor air tightness, so that the detection is easier for a worker, the use is more convenient in terms of detection and maintenance, and a water discharge pipe 53 facilitates the discharge and recovery of the water in the water storage pipe 52.
Working principle: when the biogas positive and negative pressure protection device is particularly used, firstly, the tank body 21 is conveyed to a proper position through the fixing table 1 and the support frame 10 at the bottom end, biogas is filled into the tank body 21 through the air inlet pipe 8 at one side, in order to facilitate automatic adjustment of the biogas pressure, the positive pressure sensor 24 and the negative pressure sensor 25 are arranged in the tank body 21, when the positive pressure sensor 24 detects the gas pressure change of the positive pressure part, a signal is transmitted to the first PLC 3, the first PLC 3 controls the opening and closing condition of the positive pressure regulating valve 263 according to the signal of the positive pressure sensor 24, when the gas pressure rises to a certain degree, the first PLC 3 can open the positive pressure regulating valve 263, the excessive positive pressure gas is released to keep the pressure balance in the tank body 21, when the gas pressure drops to a certain extent, the negative pressure sensor 25 transmits signals to the second PLC controller 4, the second PLC controller 4 keeps the negative pressure balance of the biogas system by controlling the opening and closing conditions of the negative pressure regulating valve 264, the water storage pipe 52 is arranged at the top of the tank body 21 through the sealing plate 51 for conveniently detecting the air tightness between the tank body 21 and the sealing cover 22, when the air tightness is detected, a proper amount of water is injected into the water storage pipe 52, and the joint of the tank body 21 and the sealing cover 22 is immersed in the water, such as bubbles can appear when the air tightness is poor, so that the air tightness is more convenient for a worker to find, the air tightness detecting and maintenance aspect is more convenient, and the safety is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a positive and negative pressure protection device of marsh gas, includes fixed station (1), its characterized in that, the top of fixed station (1) is equipped with collection subassembly (2), collection subassembly (2) are including jar body (21), sealed lid (22), two installation piece (23), positive pressure sensor (24), negative pressure sensor (25), adjustment mechanism (26) and detection component (5), the fixed top that sets up at fixed station (1) of jar body (21), the top of jar body (21) is provided with sealed lid (22), sealed lid (22) pass through bolt and jar body (21) threaded connection, the both sides at jar body (21) inner wall top are all fixed and are provided with installation piece (23), one of them the fixed surface of installation piece (23) is provided with positive pressure sensor (24), another the fixed surface of installation piece (23) is provided with negative pressure sensor (25), the fixed intake pipe (8) that is provided with in the bottom of jar body (21) one side.
2. The biogas positive and negative pressure protection device according to claim 1, wherein: adjustment mechanism (26) are including malleation trachea (261), negative pressure trachea (262), malleation governing valve (263), negative pressure governing valve (264) and control box (265), malleation trachea (261) are fixed to be set up in one side on sealed lid (22) top, negative pressure trachea (262) are fixed to be set up in the opposite side on sealed lid (22) top, the fixed malleation governing valve (263) that is provided with in the middle part of malleation trachea (261), the fixed negative pressure governing valve (264) that is provided with in the middle part of negative pressure trachea (262), control box (265) are fixed to be set up in the middle part on jar body (21) surface.
3. The biogas positive and negative pressure protection device according to claim 2, wherein: one side inside control box (265) is fixed to be provided with first PLC controller (3), the opposite side inside control box (265) is fixed to be provided with second PLC controller (4).
4. The biogas positive and negative pressure protection device according to claim 2, wherein: one side of the control box (265) is hinged with a protective door (6), and an electronic coded lock (7) is fixedly arranged on the surface of the protective door (6).
5. The biogas positive and negative pressure protection device according to claim 1, wherein: the detection assembly (5) comprises a sealing plate (51), a water storage pipe (52), a drain pipe (53) and a drain valve (54), wherein the sealing plate (51) is fixedly arranged at the top of the surface of the tank body (21), the water storage pipe (52) is fixedly arranged at the top end of the sealing plate (51), the drain pipe (53) is fixedly arranged at the bottom end of one side of the water storage pipe (52), and the drain valve (54) is fixedly arranged in the middle of the drain pipe (53).
6. The biogas positive and negative pressure protection device according to claim 1, wherein: the middle part on sealed lid (22) top is fixed and is provided with spirit level (9), the bottom mounting of fixed station (1) is provided with support frame (10).
7. A biogas positive and negative pressure protection device according to claim 3, characterized in that: the positive pressure sensor (24) is electrically connected with the positive pressure regulating valve (263) through the first PLC (3), and the negative pressure sensor (25) is electrically connected with the negative pressure regulating valve (264) through the second PLC (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322811564.0U CN221028444U (en) | 2023-10-19 | 2023-10-19 | Methane positive and negative pressure protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322811564.0U CN221028444U (en) | 2023-10-19 | 2023-10-19 | Methane positive and negative pressure protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221028444U true CN221028444U (en) | 2024-05-28 |
Family
ID=91183275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322811564.0U Active CN221028444U (en) | 2023-10-19 | 2023-10-19 | Methane positive and negative pressure protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221028444U (en) |
-
2023
- 2023-10-19 CN CN202322811564.0U patent/CN221028444U/en active Active
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