CN207832765U - High-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen - Google Patents
High-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen Download PDFInfo
- Publication number
- CN207832765U CN207832765U CN201820022179.4U CN201820022179U CN207832765U CN 207832765 U CN207832765 U CN 207832765U CN 201820022179 U CN201820022179 U CN 201820022179U CN 207832765 U CN207832765 U CN 207832765U
- Authority
- CN
- China
- Prior art keywords
- valve
- hydrogen
- gas storage
- gas
- natural gas
- Prior art date
- 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.)
- Active
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of high-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlements and hydrogen to reveal pilot system, including hydrogen and mixer for natural gas in use（3）, the hydrogen and mixer for natural gas in use（3）Natural gas air inlet be equipped with valve a（11）, hydrogen inlet be equipped with valve b（12）；The hydrogen and mixer for natural gas in use（3）Mixed gas outlet pass through valve c（13）With compressor（4）Import connects, the compressor（4）Outlet passes through valve d（14）With 1# gas storage wells（1）First interface connection, the 1# gas storage wells（1）Second interface pass through valve e（15）With 2# gas storage wells（2）First interface connection.This system simple structure and reasonable design can effectively detect whether existing gas storage well occurs hydrogen embrittlement and hydrogen leakage problem under high pressure.
Description
Technical field
The utility model is related to high-pressure hydrogenation natural gas gas storage well device, in particular to a kind of high-pressure hydrogenation natural gas gas storage
Well casing material hydrogen embrittlement and hydrogen leak test system.
Background technology
Hydrogen mixes natural gas（HCNG）Refer to by the method separating-purifying of hydrogen pressure-variable adsorption cheap in coke-stove gas, so
It is mixed under certain proportion and pressure condition with the natural gas of pipeline afterwards.Hydrogen mixes gas fuel gas and is of wide application,
High pressure HCNG gas is used for filling the fuel gas use that is used as power to automobile, and low pressure HCNG gas can be supplied directly to industrial and mining enterprises, unit
It is produced with resident, life fuel uses.
High Pressure Hydrogen mixes natural gas gas storage well（Hereinafter referred to as gas storage well）As HCNG automobiles and HCNG fuel gas gas storage facilities
The quantity with gas peak period high-pressure cylinder carrier can be effectively reduced and substitute high pressure sphere tank gas storage, it is mixed natural to be conducive to raising hydrogen
The safety and economy that gas supply station is integrally runed, and high pressure underground gas well has safety compared with strong, gas-storing capacity is big, takes up an area
Area is small, convenient operation and management, preservation ＆ testing is few, annual economy consumes the features such as low, is that large scale storage hydrogen mixes natural gas
Substitute the preferred manner of land storage tank.But High Pressure Hydrogen is mixed under the conditions of the maximum working pressure 25MPa of natural gas gas storage well, it is easy to
Occur " hydrogen embrittlement ", when CNG well for storage and CNG automobile steel cylinder store hydrogen and natural oxygen mixture, the content of H is necessarily big
In specified value, it is necessary to consider hydrogen embrittlement and hydrogen leakage problem, be based on this, it is necessary to mix natural gas gas storage well N80 to existing High Pressure Hydrogen
Tubing carries out hydrogen embrittlement test system development.
Invention content
The utility model aim is to provide a kind of mixed natural gas gas storage well hydrogen embrittlement test system of N80 tubing High Pressure Hydrogen, due to
High Pressure Hydrogen is mixed under the conditions of the maximum working pressure 25MPa of natural gas gas storage well, it is easy to be occurred " hydrogen embrittlement ", CNG well for storage
Store hydrogen with CNG automobile steel cylinder and when natural oxygen mixture, the content of H be naturally larger than specified value, it is necessary to consider hydrogen embrittlement with
Hydrogen leakage problem ensures that High Pressure Hydrogen mixes the safety of natural gas gas storage well tubing.
The utility model adopts the following technical scheme that realization：
A kind of high-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen, including hydrogen is mixed with natural gas
The natural gas air inlet of device, the hydrogen and mixer for natural gas in use is equipped with valve a, hydrogen inlet is equipped with valve b；The hydrogen
Connect with compressor inlet by valve c with the mixed gas outlet of mixer for natural gas in use, the compressor outlet by valve d with
The first interface of 1# gas storage wells connects, and the second interface of the 1# gas storage wells is connected by the first interface of valve e and 2# gas storage wells
It connects, the second interface of the 2# gas storage wells passes through valve again by the first interface of valve f and 1# gas storage well by valve g and after connecing
Door h pulls out mouth with supercharging and connect, and the supercharging sled import is connect by valve i with circulatory pool；The third of the 1# gas storage wells connects
Mouth is connect by valve m and pump with circulatory pool again by the third interface of valve j and 2# gas storage well by valve k and after connecing；Institute
State the sewage draining exit installation valve n of circulatory pool.
When test, all valves are closed.
1# gas storage wells are tested, are first turned on valve a and valve b, natural gas is with hydrogen respectively through natural gas air inlet
Mouth enters natural gas with hydrogen inlet and is sufficiently mixed with hydrogen mixer, opens valve c and valve d, hydrogen after mixing
Mixed natural gas enters 1# gas storage wells after compressor is pressurized to 25MPa, simultaneously close off natural gas and hydrogen air inlet valve a,
Connection valve e between 1# gas storage wells and 2# gas storage wells is opened, makes gas autobalance by valve b and valve d, two mouthfuls at this time
Gas storage well pressure is respectively 12.5MPa, then opens valve f, valve h and valve i, and clear water is filled 2# gas storage by being pressurized sled
Well, the well pressure of 1# gas storage at this time are 25MPa, complete the cycle of a 12 ~ 25MPa, are then shut off valve f, open valve k and
Valve m is collected water to circulatory pool by pumping, and is discharged by sewage draining exit valve n.
2# gas storage wells are tested, are first turned on valve a and valve b, natural gas is with hydrogen respectively through natural gas air inlet
Mouth enters natural gas with hydrogen inlet and is sufficiently mixed with hydrogen mixer, opens valve c and valve d, hydrogen after mixing
Mixed natural gas enters 1# gas storage wells after compressor 4 is pressurized to 25MPa, simultaneously close off natural gas and hydrogen air inlet valve a,
Connection valve e between 1# gas storage wells and 2# gas storage wells is opened, makes gas autobalance by valve b and valve d, two mouthfuls at this time
Gas storage well pressure is respectively 12.5MPa, then opens valve g, valve h and valve i, and clear water is filled 1# gas storage by being pressurized sled
Well, the well pressure of 2# gas storage at this time are 25MPa, complete the cycle of a 12 ~ 25MPa, are then shut off valve g, open valve j and
Valve m is collected water to circulatory pool by pumping, and is discharged by sewage draining exit valve n.
Repeat procedure above, you can be respectively completed high-pressure gas storage well pressure cycling test, examined after the completion of pressure cycling test
It looks into and does not find leakage, do not find crackle, abnormal sound does not occur, examine High Pressure Hydrogen to mix natural gas gas storage well tubing and revealed without hydrogen embrittlement and hydrogen
Occur.
This system simple structure and reasonable design can effectively detect whether existing gas storage well occurs hydrogen embrittlement under high pressure
With hydrogen leakage problem.
Description of the drawings
Fig. 1 shows the structural schematic diagrams of the utility model.
In figure：1-1# gas storage wells, 2-2# gas storage wells, 3- hydrogen and mixer for natural gas in use, 4- compressors, 5- supercharging sleds, 6-
Circulatory pool；11- valves a, 12- valve b, 13- valve c, 14- valve d, 15- valve e, 16- valve f, 17- valve g, 18- valve
H, 19- valve i, 20- valve j, 21- valve k, 22- valve m, 23- valve n.
Specific implementation mode
Specific embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of high-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system, including 1# gas storage with hydrogen
Well 1,2# gas storage wells 2, natural gas and hydrogen mixer 3, compressor 4, supercharging sled 5, effluent cycle pond 6 and several valves.
As shown in Figure 1, the natural gas air inlet of hydrogen and mixer for natural gas in use 3 is equipped with equipped with valve a11, hydrogen inlet
Valve b12.Hydrogen is connect by valve c13 with 4 import of compressor with the mixed gas outlet of mixer for natural gas in use 3, and compressor 4 goes out
Mouth is connect by valve d14 with the first interface of 1# gas storage wells 1.The second interface of 1# gas storage wells 1 passes through valve e15 and 2# gas storage
The first interface of well 2 connects, and the second interface of 2# gas storage wells 2 passes through valve by the first interface of valve f16 and 1# gas storage well 1
G17 is simultaneously connected by valve h18 and 5 outlet of supercharging sled after connecing again, and supercharging 5 imports of sled pass through valve i19 and 6 water outlet of circulatory pool
Connection；The third interface of 1# gas storage wells 1 is led to by the third interface of valve j20 and 2# gas storage well 2 by valve k21 and after connecing again
It crosses valve m22 and pump is connect with the circulation port of circulatory pool 6；The sewage draining exit installation valve n23 of circulatory pool 6.
When test, all valve a ~ n are in closed state.
1# gas storage wells are tested, are first turned on valve a11 and valve b12, natural gas is with hydrogen respectively through natural gas
Air inlet enters natural gas with hydrogen inlet and is sufficiently mixed with hydrogen mixer 3, opens valve c3 and valve d4, through mixing
Hydrogen afterwards mixes natural gas and enters 1# gas storage wells 1 after compressor 4 is pressurized to 25MPa, simultaneously closes off the air inlet of natural gas and hydrogen
Connection valve e5 between 1# gas storage wells 1 and 2# gas storage wells 2 is opened, makes gas by mouth valve a11, valve b12 and valve d14
Autobalance, two mouthfuls of gas storage well pressures are respectively 12.5MPa at this time, then open valve f16, valve h18 and valve i19, are led to
Supercharging sled 5 is crossed by 60L clear water injection 2# gas storage wells 2, the well pressure of 1# gas storage at this time is 25MPa, completes 12 ~ 25MPa's
Cycle is then shut off valve f16, opens valve k21 and valve m22, is collected water to circulatory pool 6, by sewage draining exit by pumping
Valve n23 discharges.
2# gas storage wells are tested, are first turned on valve a11 and valve b12, natural gas is with hydrogen respectively through natural gas
Air inlet enters natural gas with hydrogen inlet and is sufficiently mixed with hydrogen mixer 3, opens valve c3 and valve d4, through mixing
Hydrogen afterwards mixes natural gas and enters 1# gas storage wells 1 after compressor 4 is pressurized to 25MPa, simultaneously closes off the air inlet of natural gas and hydrogen
Connection valve e5 between 1# gas storage wells 1 and 2# gas storage wells 2 is opened, makes gas by mouth valve a11, valve b12 and valve d14
Autobalance, two mouthfuls of gas storage well pressures are respectively 12.5MPa at this time, then open valve g17, valve h18 and valve i19, are led to
Supercharging sled 5 is crossed by 60L clear water injection 1# gas storage wells 1, the well pressure of 2# gas storage at this time is 25MPa, completes 12 ~ 25MPa's
Cycle is then shut off valve g17, opens valve j20 and valve m22, is collected water to circulatory pool 6, by sewage draining exit by pumping
Valve n23 discharges.
Repeat procedure above, you can high-pressure gas storage well pressure cycling test is completed to 1# gas storage wells and 2# gas storage wells respectively,
It is checked after the completion of pressure cycling test and does not find leakage, do not find crackle, abnormal sound does not occur, High Pressure Hydrogen is examined to mix natural gas gas storage
Well casing material occurs without hydrogen embrittlement and hydrogen leakage.
It should be pointed out that for the those skilled in the art of the art, before not departing from the utility model principle
It puts, several improvement and application can also be made, these are improved and application is also considered as the scope of protection of the utility model.
Claims (1)
1. a kind of high-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system, including hydrogen and mixer for natural gas in use with hydrogen
（3）, the hydrogen and mixer for natural gas in use（3）Natural gas air inlet be equipped with valve a（11）, hydrogen inlet be equipped with valve b
（12）；
It is characterized in that：The hydrogen and mixer for natural gas in use（3）Mixed gas outlet pass through valve c（13）With compressor（4）
Import connects, the compressor（4）Outlet passes through valve d（14）With 1# gas storage wells（1）First interface connection, the 1# gas storage
Well（1）Second interface pass through valve e（15）With 2# gas storage wells（2）First interface connection, the 2# gas storage wells（2）Second
Interface passes through valve f（16）With 1# gas storage wells（1）First interface pass through valve g（17）And pass through valve h after connecing again（18）With
Supercharging sled（5）Outlet connection, the supercharging sled（5）Import passes through valve i（19）With circulatory pool（6）Connection；The 1# gas storage wells
（1）Third interface pass through valve j（20）With 2# gas storage wells（2）Third interface pass through valve k（21）And pass through valve after connecing again
Door m（22）And pump and circulatory pool（6）Connection；The circulatory pool（6）Sewage draining exit installation valve n（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820022179.4U CN207832765U (en) | 2018-01-08 | 2018-01-08 | High-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820022179.4U CN207832765U (en) | 2018-01-08 | 2018-01-08 | High-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832765U true CN207832765U (en) | 2018-09-07 |
Family
ID=63391941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820022179.4U Active CN207832765U (en) | 2018-01-08 | 2018-01-08 | High-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207832765U (en) |
-
2018
- 2018-01-08 CN CN201820022179.4U patent/CN207832765U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202082618U (en) | 70MPa mobile type hydrogen filling device | |
| CN202939022U (en) | Service life testing device for energy-saving air water valves | |
| CN203249841U (en) | Hypotonic rock transient air pressure pulse permeability measuring device | |
| CN207832765U (en) | High-pressure hydrogenation natural gas gas storage well tubing hydrogen embrittlement reveals pilot system with hydrogen | |
| CN205276389U (en) | Automatic quantitative air supplement unit of pressure -superposed water supply surge tank and pressure -superposed water supply surge tank | |
| CN108195740A (en) | Carbon dioxide displacement methane device under the conditions of coal-bed flooding | |
| CN110284863B (en) | Simulated CO2Dry fracturing working medium mixed transportation experimental device and experimental method | |
| CN213479818U (en) | Based on CO2Tail gas recovery system for gas leakage detection | |
| CN103623699A (en) | Method for nitrogen displacement in denitration and deamination zones | |
| CN204694428U (en) | A kind of axle system stern tube hydraulic sealing test device | |
| CN218759824U (en) | Device for freely switching gas injection modes of drainage gas production gas lift | |
| CN215369806U (en) | System for geological storage of carbon dioxide and biological production increase of coal bed gas | |
| CN202691597U (en) | Residual air treatment device | |
| CN203337448U (en) | Device for shortening back pressure saturation and consolidation time in triaxial test | |
| CN112730129B (en) | Accelerated test method for dynamic rock erosion of supercritical carbon dioxide | |
| CN211576806U (en) | Hydrostatic test device for control rod driving mechanism for nuclear power station | |
| CN111075496B (en) | Device for comprehensively eliminating and suppressing outburst and dust of coal bed by injecting flue gas absorption liquid at low pressure and outburst-eliminating and dust-suppressing method | |
| CN210603769U (en) | Ammonia leakage test device | |
| CN206671100U (en) | A kind of Multifunctional agricultural implement frictional wear test device | |
| CN210221413U (en) | Detect device that carat pipe leaked | |
| CN206902823U (en) | Check-valves water circuit system is opened in rubber clack rotation | |
| CN201532287U (en) | Supercharging device for tracer gas in high-pressure gas leak detection method | |
| CN201984002U (en) | Water lock experimental device in case of external liquid invasion | |
| CN202170806U (en) | Integrally drilling and permeability-improving device in tectonic coal development area | |
| CN112411463A (en) | Ocean soil hydraulic reclamation construction indoor simulation device and method reflecting hydraulic pressure characteristics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |