CN216306837U - High-low pressure protection device for biogas fermentation tank - Google Patents
High-low pressure protection device for biogas fermentation tank Download PDFInfo
- Publication number
- CN216306837U CN216306837U CN202120481986.4U CN202120481986U CN216306837U CN 216306837 U CN216306837 U CN 216306837U CN 202120481986 U CN202120481986 U CN 202120481986U CN 216306837 U CN216306837 U CN 216306837U
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- China
- Prior art keywords
- valve core
- pipe
- air inlet
- valve body
- fermentation tank
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 41
- 230000004151 fermentation Effects 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a high-low pressure protection device for a biogas fermentation tank, which comprises a valve body, an air inlet pipe, an air outlet pipe and a valve core, wherein a valve core installation channel arranged along the horizontal direction is formed in the valve body, one end of the valve body is provided with a connecting pipe, the other end of the valve body is provided with a valve core position adjusting mechanism, the valve core is provided with an air inlet and outlet channel, the valve core is in sliding fit with the valve core installation channel, the air inlet pipe is arranged at the bottom of the valve body and is arranged close to the connecting pipe, and the air outlet pipe is arranged at the top of the valve body and is arranged close to the valve core position adjusting mechanism. The utility model can effectively prevent the pressure in the biogas fermentation tank from being too high or too low, effectively protect the fermentation tank and has simple maintenance.
Description
Technical Field
The utility model relates to a protector, in particular to a high-low pressure protection device for a biogas fermentation tank.
Background
With the development and progress of society, human beings have more and more influence on the environment, so that the use of clean energy is recommended to the utmost, and the methane is gradually accepted by people as clean energy and is applied to power generation equipment besides being used in daily life. The biogas fermentation tank is a closed container, when excessive biogas is generated in the fermentation tank, the amount of the biogas led to the generator is larger than the maximum usage amount and the maximum combustion amount of the biogas of the generator, the pressure in the fermentation tank rises, and the tank body is a sealed environment and can cause explosion after the pressure is increased; if the biogas in the fermentation tank is insufficient, the generator set can suck gas into the fermentation tank, so that the fermentation pressure is too low, internal negative pressure can be caused, and danger can be brought. The high-low pressure protection device is used for avoiding the over-high or over-low pressure in the fermentation tank. The high-low pressure protection device used in the prior art occupies a large area, sealing liquid needs to be filled inside the high-low pressure protection device, the sealing liquid needs to be periodically checked and supplemented, and the high-low pressure protection device is troublesome to maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-low pressure protection device for a biogas fermentation tank, which solves the technical problems in the prior art, can effectively prevent the pressure in the biogas fermentation tank from being too high or too low, effectively protects the fermentation tank and is simple to maintain.
The utility model provides a high-low pressure protection device for a biogas fermentation tank, which comprises a valve body, an air inlet pipe, an air outlet pipe and a valve core, wherein a valve core installation channel arranged along the horizontal direction is formed in the valve body, one end of the valve body is provided with a connecting pipe, the other end of the valve body is provided with a valve core position adjusting mechanism, the valve core is provided with an air inlet and outlet channel, the valve core is in sliding fit with the valve core installation channel, the air inlet pipe is arranged at the bottom of the valve body and is arranged close to the connecting pipe, and the air outlet pipe is arranged at the top of the valve body and is arranged close to the valve core position adjusting mechanism.
In the aforementioned high-low pressure protection device for a biogas fermentation tank, preferably, the valve body is of a cuboid structure, the valve core installation channel is a square channel, and the air inlet pipe and the air outlet pipe are both communicated with the valve core installation channel.
In the aforementioned high-low pressure protection device for a biogas fermentation tank, preferably, the valve core is of a rectangular parallelepiped structure, and the size of the cross section of the valve core is equal to that of the valve core installation channel; and the outer wall of the valve core is sleeved with a sealing ring.
In the aforementioned high-low pressure protection device for a biogas fermentation tank, preferably, the air intake and exhaust channel includes a main air hole, a first exhaust hole and an air intake hole, the main air hole is a blind hole and is arranged along the length direction of the valve core, an open end of the main air hole faces the connecting pipe, one end of the first exhaust hole is communicated with the main air hole, the other end of the first exhaust hole extends upwards to the top of the valve core and is used for being matched with the exhaust pipe, one end of the air intake hole is communicated with the main air hole, and the other end of the air intake hole extends downwards to the bottom of the valve core and is used for being matched with the air intake pipe.
In the aforementioned high-low pressure protection device for a biogas fermentation tank, a connecting flange is preferably arranged on the connecting pipe.
In the high-low pressure protection device for the biogas fermentation tank, preferably, the valve core position adjusting mechanism comprises an adjusting bolt, a spring and a connecting disc, the adjusting bolt is in threaded connection with the end face of the valve body, the spring and the connecting disc are both located in the valve body, the connecting disc is fixedly connected with one end of the adjusting bolt, the other end of the adjusting bolt is provided with a hexagonal end cap, one end of the spring is abutted to the valve core, and the other end of the spring is fixed on the connecting disc.
In the aforementioned high-low pressure protection device for a biogas fermentation tank, preferably, a waterproof cap is disposed on the top of the exhaust pipe, the outer diameter of the waterproof cap is larger than that of the exhaust pipe, and a second exhaust hole is formed in the outer wall of the exhaust pipe, which is close to the waterproof cap.
Compared with the prior art, the utility model comprises a valve body, an air inlet pipe, an air outlet pipe and a valve core, wherein a valve core mounting channel arranged along the horizontal direction is formed in the valve body, the valve core is in sliding fit with the valve core mounting channel, the air inlet pipe is arranged at the bottom of the valve body, the air outlet pipe is arranged at the top of the valve body, one end of the valve body is provided with a connecting pipe, the other end of the valve body is provided with a valve core position adjusting mechanism, and the valve core is provided with an air inlet and outlet channel. When the internal pressure of the biogas fermentation tank changes, the valve core can move, when the internal pressure is over pressure, the air inlet and outlet channel on the valve core is communicated with the exhaust pipe to release air so as to reduce the internal pressure, when negative pressure is formed in the tank, the air inlet and outlet channel is communicated with the air inlet pipe, the air enters the tank body to increase the pressure, and the safe operation of the biogas fermentation tank is effectively protected. The utility model has simple structure, long maintenance period and maintenance cost saving.
Drawings
FIG. 1 is an isometric view of the present invention;
fig. 2 is a half sectional view of the present invention.
Description of reference numerals: the valve comprises a valve body 1, an air inlet pipe 2, an exhaust pipe 3, a valve core 4, a valve core installation channel 5, a connecting pipe 6, a valve core position adjusting mechanism 7, a main air hole 8, a first exhaust hole 9, an air inlet hole 10, a connecting flange 11, an adjusting bolt 12, a spring 13, a connecting disc 14, a waterproof cap 15 and a second exhaust hole 16.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.
The embodiment of the utility model comprises the following steps: as shown in fig. 1 and 2, a high-low pressure protection device for a biogas fermentation tank comprises a valve body 1, an air inlet pipe 2, an air outlet pipe 3 and a valve core 4, wherein the valve body 1 is of a cuboid structure, a valve core installation channel 5 arranged along the horizontal direction is formed in the valve body 1, the valve core installation channel 5 is a square channel, the valve core 4 is installed in the valve core installation channel 5, the valve core 4 is matched with the valve core installation channel 5 in a sliding way, one end of the valve body 1 is provided with a connecting pipe 6, the connecting pipe 6 is provided with a connecting flange 11, the other end is provided with a valve core position adjusting mechanism 7, the valve core 4 is provided with an air inlet and outlet channel, the air inlet pipe 2 is arranged at the bottom of the valve body 1, and intake pipe 2 is close to connecting pipe 6 and arranges, and blast pipe 3 sets up at the top of valve body 1, and blast pipe 3 is close to case position control mechanism 7 and arranges, and intake pipe 2 and blast pipe 3 all communicate with case installation passageway 5.
The valve core 4 is in a closed position under the action of the valve core position adjusting mechanism 7, the air inlet and outlet channel on the valve core 4 is blocked by the inner wall of the valve body 1 at the position, and because the outer wall of the valve core 4 is sleeved with a sealing ring (not shown in the figure), the gas in the biogas fermentation tank cannot be leaked, and the external gas cannot enter the biogas fermentation tank. When the pressure in the biogas fermentation tank is too high, the valve core 4 is pushed to the right under the action of high pressure, namely the botton 4 moves to the right, when the air inlet and outlet channel is communicated with the exhaust pipe 3, the gas in the biogas fermentation tank is released through the exhaust pipe 3, the pressure in the biogas fermentation tank is reduced, the valve core 4 moves to the left along with the pressure change, and the exhaust pipe 3 is closed. Correspondingly, when negative pressure is generated in the biogas fermentation tank, the valve core 4 moves leftwards, the air inlet and outlet channel is communicated with the air inlet pipe 2, at the moment, external air enters the biogas fermentation tank, the pressure in the tank is increased, and the valve core returns to the initial position after the pressure is normal.
In one specific embodiment, the valve core 4 is of a rectangular parallelepiped structure, and the sectional dimension of the valve core 4 is equal to that of the valve core mounting passage 5. Adopt the case 4 of cuboid structure, can prevent that case 4 from along the rotation of circumference, make it can only do horizontal migration to guarantee that inlet and outlet channel can effectively align with blast pipe 3 and intake pipe 2.
Specifically, advance exhaust passage and include main gas port 8, first exhaust hole 9 and inlet port 10, main gas port 8 is the blind hole, and it arranges along the length direction of case 4, and main gas port 8's open end is towards connecting pipe 6, and 9 one end of first exhaust hole and main gas port 8 intercommunication, other end upwards extend to the top of case 4 for with the cooperation of blast pipe 3, inlet port 10 one end and main gas port 8 intercommunication, other end downwards extension to the bottom of case 4, be used for cooperating with intake pipe 2.
The valve core position adjusting mechanism 7 comprises an adjusting bolt 12, a spring 13 and a connecting disc 14, the adjusting bolt 12 is in threaded connection with the end face of the valve body 1, the spring 13 and the connecting disc 14 are both located in the valve body 1, the connecting disc 14 is fixedly connected with one end of the adjusting bolt 12, the other end of the adjusting bolt 12 is provided with a hexagonal end cap, one end of the spring 13 is abutted to the valve core 4, and the other end of the spring is fixed on the connecting disc 14.
The spring 13 can be effectively fixed by the connecting disc 14 and kept in a horizontal state, the valve core 4, the connecting pipe 6, the spring 13 and the adjusting bolt 12 are coaxially arranged, the position of the adjusting disc 14 can be changed by rotating the adjusting bolt 12, so that the elastic force applied to the valve core 4 by the spring 13 is changed, the position of the valve core 4 in a natural state is changed, when high pressure is generated in the methane fermentation tank, the valve core 4 moves rightwards and extrudes the spring 13, and when the pressure is balanced, the valve core 4 can be pushed back to the original position under the action of the spring 13. When the negative pressure in the biogas fermentation tank is generated, the valve core 4 is sucked leftwards, the valve core 4 moves leftwards, and after the pressure is balanced, the valve core 4 moves rightwards to the original position under the action of the spring 13.
Preferably, the top of the exhaust pipe 3 is provided with a waterproof cap 15, the outer diameter of the waterproof cap 15 is larger than that of the exhaust pipe 3, and a second exhaust hole 16 is formed on the outer wall of the exhaust pipe 3 close to the waterproof cap 15. The arrangement of the waterproof cap 15 can effectively prevent rainwater from entering the exhaust pipe 3, prevent the valve core 4 from being corroded by the valve body 1, and prevent the second exhaust hole 16 from being blocked.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (7)
1. The utility model provides a high low pressure protection device for biogas fermentation cylinder, includes valve body (1), intake pipe (2), blast pipe (3) and case (4), its characterized in that: the novel air inlet valve is characterized in that a valve core mounting channel (5) arranged in the horizontal direction is formed in the valve body (1), a connecting pipe (6) is arranged at one end of the valve body (1), a valve core position adjusting mechanism (7) is arranged at the other end of the valve core (4), an air inlet and outlet channel is arranged on the valve core (4), the valve core (4) is in sliding fit with the valve core mounting channel (5), the air inlet pipe (2) is arranged at the bottom of the valve body (1) and is close to the connecting pipe (6) to be arranged, and the exhaust pipe (3) is arranged at the top of the valve body (1) and is close to the valve core position adjusting mechanism (7) to be arranged.
2. The high-low pressure protection device for the biogas fermentation tank of claim 1, characterized in that: the valve body (1) is of a cuboid structure, the valve core mounting channel (5) is a square channel, and the air inlet pipe (2) and the exhaust pipe (3) are communicated with the valve core mounting channel (5).
3. The high-low pressure protection device for the biogas fermentation tank as claimed in claim 2, characterized in that: the valve core (4) is of a cuboid structure, and the section size of the valve core (4) is equal to that of the valve core installation channel (5); and the outer wall of the valve core (4) is sleeved with a sealing ring.
4. The high-low pressure protection device for the biogas fermentation tank as claimed in claim 3, wherein: the air inlet and exhaust channel comprises a main air hole (8), a first exhaust hole (9) and an air inlet hole (10), the main air hole (8) is a blind hole and is arranged along the length direction of the valve core (4), the open end of the main air hole (8) faces the connecting pipe (6), one end of the first exhaust hole (9) is communicated with the main air hole (8), the other end of the first exhaust hole extends upwards to the top of the valve core (4) and is used for being matched with the exhaust pipe (3), one end of the air inlet hole (10) is communicated with the main air hole (8), and the other end of the air inlet hole extends downwards to the bottom of the valve core (4) and is used for being matched with the air inlet pipe (2).
5. The high-low pressure protection device for the biogas fermentation tank of claim 1, characterized in that: and a connecting flange (11) is arranged on the connecting pipe (6).
6. The high-low pressure protection device for the biogas fermentation tank of claim 1, characterized in that: the valve core position adjusting mechanism (7) comprises an adjusting bolt (12), a spring (13) and a connecting disc (14), the adjusting bolt (12) is in threaded connection with the end face of the valve body (1), the spring (13) and the connecting disc (14) are both located in the valve body (1), the connecting disc (14) is fixedly connected with one end of the adjusting bolt (12), the other end of the adjusting bolt (12) is provided with a hexagonal end cap, one end of the spring (13) is abutted to the valve core (4), and the other end of the spring is fixed to the connecting disc (14).
7. The high-low pressure protection device for biogas fermentors according to any one of claims 1 to 6, wherein: the top of blast pipe (3) is provided with waterproof cap (15), the external diameter of waterproof cap (15) is greater than the external diameter of blast pipe (3), be close to on blast pipe (3) be formed with second exhaust hole (16) on the outer wall of waterproof cap (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120481986.4U CN216306837U (en) | 2021-03-06 | 2021-03-06 | High-low pressure protection device for biogas fermentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120481986.4U CN216306837U (en) | 2021-03-06 | 2021-03-06 | High-low pressure protection device for biogas fermentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306837U true CN216306837U (en) | 2022-04-15 |
Family
ID=81079868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120481986.4U Expired - Fee Related CN216306837U (en) | 2021-03-06 | 2021-03-06 | High-low pressure protection device for biogas fermentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306837U (en) |
-
2021
- 2021-03-06 CN CN202120481986.4U patent/CN216306837U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220415 |