CN220957967U - Manual pressure relief pipe for UASB biogas - Google Patents
Manual pressure relief pipe for UASB biogas Download PDFInfo
- Publication number
- CN220957967U CN220957967U CN202322524879.7U CN202322524879U CN220957967U CN 220957967 U CN220957967 U CN 220957967U CN 202322524879 U CN202322524879 U CN 202322524879U CN 220957967 U CN220957967 U CN 220957967U
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- CN
- China
- Prior art keywords
- uasb
- pressure relief
- manual pressure
- relief pipe
- methane
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Links
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 title claims abstract description 47
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000003466 welding Methods 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 241000238631 Hexapoda Species 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 230000006837 decompression Effects 0.000 claims 1
- 231100000572 poisoning Toxicity 0.000 abstract description 2
- 230000000607 poisoning effect Effects 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a UASB methane manual pressure relief pipe, which comprises: the device comprises a rigid waterproof wing ring, a first flange, a second flange, a manual butterfly valve, a fire-retarding valve, a methane manual pressure relief pipe and an elbow; the UASB methane manual pressure relief pipe is arranged on the top of the UASB pool; the rigid waterproof wing ring is pre-buried on the top of the UASB pool; the biogas manual pressure relief pipe is connected with the rigid waterproof wing ring by adopting a first standard plate type flat welding flange and a second standard plate type flat welding flange; the manual butterfly valve and the fire-retarding valve are arranged on the methane manual pressure relief pipe; the elbow is arranged at the top of the methane manual pressure relief pipe. When the UASB needs to be overhauled, methane in the UASB is released through manual pressure relief firstly, and then the routine operation of UASB overhauling is carried out, so that poisoning caused by careless methane pressure operation during UASB overhauling is avoided, and the safety of UASB overhauling is ensured.
Description
Technical Field
The utility model relates to the technical field of pressure relief pipes, in particular to a UASB methane manual pressure relief pipe.
Background
After the biogas is processed by the pretreatment equipment, the biogas needs to pass through a pressure gas storage tank before entering the generator set, and the pressure change of the gas storage tank affects the outlet pressure of the pretreatment equipment, so as to affect the pressure feedback regulation of pretreatment, and further affect the pumping pressure of a fan; on the other hand, the air inlet pressure of the unit is disturbed, so that the air-fuel ratio of the unit is difficult to allocate, the power fluctuation of the unit is large, and the stable operation of the unit is influenced.
Patent document CN215112021U (application number: 202121192140.5) discloses an automatic pressure relief device of marsh gas pretreatment pressure tank, including pretreatment pressure tank body, outer body intercommunication is in the outside of interior body, interior body sets up to the steel pipe that has the top, motor fixed connection is in the interior top of interior body, be connected with flexible actuating lever subassembly on the output shaft of motor, motor drive sprue up-down movement in the inside of interior body, sprue threaded connection is in the inside of interior body, spring fixed connection is in the lower extreme of sprue, the plug fixed connection is in the lower extreme of spring, it has pressure relief mouth and pressure relief mouth second to begin on the body of interior body, sprue and plug shutoff respectively shutoff mouth and pressure relief mouth second, through utilizing spring and plug sealed pressure relief mouth second, can be through pressure relief mouth second when the treatment tank temperature is higher, if the pressure is too big can drive the piece through pressure relief mouth first through the motor. However, the technical means adopted by the patent is different from the technical means adopted by the technical scheme, so that the safety of UASB overhaul cannot be ensured.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a UASB methane manual pressure relief pipe.
The UASB methane manual pressure relief pipe provided by the utility model comprises: the device comprises a rigid waterproof wing ring, a first flange, a second flange, a manual butterfly valve, a fire-retarding valve, a methane manual pressure relief pipe and an elbow;
the UASB methane manual pressure relief pipe is arranged on the top of the UASB pool;
The rigid waterproof wing ring is pre-buried on the top of the UASB pool;
The biogas manual pressure relief pipe is connected with the rigid waterproof wing ring by adopting a first standard plate type flat welding flange and a second standard plate type flat welding flange;
The manual butterfly valve and the fire-retarding valve are arranged on the methane manual pressure relief pipe;
the elbow is arranged at the top of the methane manual pressure relief pipe.
Preferably, an insect-proof bird net is arranged at the pipe orifice of the elbow.
Preferably, the rigid waterproof wing ring, the first flange, the second flange, the elbow and the insect-proof bird net are all made of stainless steel 304.
Preferably, the first flange and the second flange are both standard plate-type flat welded flanges.
Preferably, the material of the methane manual pressure relief pipe is a seamless SS304 pipeline.
Preferably, the manual pressure relief pipe for methane is at least 2.5m long.
Preferably, the rigid anti-hydrofoil ring has a dimension of DN150.
Preferably, the manual butterfly valve is flange type, and the size is DN150.
Preferably, the fire-retarding valve is flange type, and the size is DN150.
Preferably, the elbow is a 90 DEG 1.5 times D elbow.
Compared with the prior art, the utility model has the following beneficial effects:
1. When the UASB needs to be overhauled, firstly, the methane in the UASB is released manually through manual pressure relief, and then the routine operation of UASB overhauling is carried out, so that poisoning caused by careless operation of methane with pressure (leachate UASB methane contains H 2 S and is poisoned by people in the leachate UASB methane) is avoided, and the safety of UASB overhauling is ensured;
2. Under emergency, when UASB explosion venting sheets fail, the UASB explosion venting sheets can be used as emergency pressure relief devices, and double guarantees are added for UASB safe operation.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of a UASB methane manual pressure relief pipe;
Reference numerals:
1-a rigid anti-hydrofoil ring; 2-a first flange; 3-a second flange; 4-a manual butterfly valve; 5-a fire-blocking valve; 6-a methane manual pressure relief pipe; 7-bending; 8-insect prevention bird net.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
Examples
The utility model provides a UASB methane manual pressure relief pipe, which comprises: the device comprises a rigid waterproof wing ring 1, a first flange 2, a second flange 3, a manual butterfly valve 4, a fire-retarding valve 5, a methane manual pressure relief pipe 6, an elbow 7 and an insect-preventing bird net 8; the manual pressure release function of UASB methane is realized by arranging the manual butterfly valve 4, the fire-retardant valve 5 and the insect-proof bird net 8 on the manual pressure release pipe 6 of methane, and the manual pressure release pipe has the functions of preventing backfire and insect-proof bird collision.
The UASB methane manual pressure relief pipe is arranged on the top of the UASB pool, and the pipe diameter of the pressure relief pipe is correspondingly designed according to the UASB scale.
A rigid waterproof wing ring 1 is pre-buried on the top of the UASB pool, a methane manual pressure relief pipe 6 is connected with the rigid waterproof wing ring 1 by adopting a first flange 2 and a second flange 3, and a manual butterfly valve 4 and a fire-retarding valve 5 are arranged on the methane manual pressure relief pipe 6 at the same time, so that the manual control and fire-retarding functions are realized;
The first flange 2 and the second flange 3 are standard plate type flat welding flanges.
An elbow 7 is arranged at the top of the methane manual pressure relief pipe 6, and an insect-proof bird net 8 is arranged at the pipe orifice of the elbow 7 so as to prevent insects and birds from entering the methane pipe.
The methane manual pressure release pipe 6 is made of a seamless SS304 pipeline; the methane manual pressure relief pipe 6 is arranged above 2.5 m.
The rigid waterproof wing ring 1, the first flange 2, the second flange 3, the elbow 7 and the insect-proof bird net 8 are all made of stainless steel 304; the size of the rigid waterproof wing ring 1 is DN150; the manual butterfly valve 4 is flange-type, and has a size DN150; the fire-retarding valve 5 is flange type, and the size is DN150.
The elbow 7 is a 90-degree 1.5-time D elbow.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the utility model and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. Manual decompression pipe of UASB marsh gas, its characterized in that includes: the device comprises a rigid waterproof wing ring (1), a first flange (2), a second flange (3), a manual butterfly valve (4), a fire-retarding valve (5), a methane manual pressure relief pipe (6) and an elbow (7);
the UASB methane manual pressure relief pipe is arranged on the top of the UASB pool;
The rigid waterproof wing ring (1) is pre-buried on the top of the UASB pool;
The biogas manual pressure relief pipe (6) is connected with the rigid waterproof wing ring (1) by adopting a first flange (2) and a second flange (3);
The manual butterfly valve (4) and the fire-retarding valve (5) are arranged on the methane manual pressure relief pipe (6);
the elbow (7) is arranged at the top of the methane manual pressure relief pipe (6).
2. A UASB biogas manual pressure release pipe according to claim 1, characterized in that an insect-proof bird net (8) is arranged at the pipe orifice of the elbow (7).
3. The UASB methane manual pressure relief pipe according to claim 2, wherein the rigid waterproof wing ring (1), the first flange (2), the second flange (3), the elbow (7) and the insect prevention bird net (8) are made of stainless steel 304.
4. The UASB methane manual pressure relief pipe according to claim 1, wherein the first flange (2) and the second flange (3) are both plate-type plain welding flanges.
5. The UASB methane manual pressure relief pipe according to claim 1, wherein the methane manual pressure relief pipe (6) is made of a seamless SS304 pipeline.
6. The UASB biogas manual pressure relief pipe according to claim 1, characterized in that the biogas manual pressure relief pipe (6) is at least 2.5m long.
7. The UASB biogas manual pressure relief pipe according to claim 1, characterized in that the rigid waterproof wing ring (1) has a size DN150.
8. The UASB biogas manual pressure relief pipe according to claim 1, wherein the manual butterfly valve (4) is flanged, with a size of DN150.
9. The UASB biogas manual pressure relief pipe according to claim 1, wherein the fire-retarding valve (5) is flanged, with a size of DN150.
10. The UASB biogas manual pressure relief pipe according to claim 1, characterized in that the bend (7) is a 90 ° 1.5 times D bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524879.7U CN220957967U (en) | 2023-09-15 | 2023-09-15 | Manual pressure relief pipe for UASB biogas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322524879.7U CN220957967U (en) | 2023-09-15 | 2023-09-15 | Manual pressure relief pipe for UASB biogas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957967U true CN220957967U (en) | 2024-05-14 |
Family
ID=91020173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322524879.7U Active CN220957967U (en) | 2023-09-15 | 2023-09-15 | Manual pressure relief pipe for UASB biogas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957967U (en) |
-
2023
- 2023-09-15 CN CN202322524879.7U patent/CN220957967U/en active Active
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