CN106979456A - A kind of cylinder angle valve security protection system - Google Patents
A kind of cylinder angle valve security protection system Download PDFInfo
- Publication number
- CN106979456A CN106979456A CN201610030367.7A CN201610030367A CN106979456A CN 106979456 A CN106979456 A CN 106979456A CN 201610030367 A CN201610030367 A CN 201610030367A CN 106979456 A CN106979456 A CN 106979456A
- Authority
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- China
- Prior art keywords
- valve
- gas
- angle valve
- cylinder angle
- normally closed
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/037—Quick connecting means, e.g. couplings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of cylinder angle valve security protection system that the present invention is provided, increases a normally closed interface arrangement in the cylinder angle valve port of export, by left-hand thread and high pressure resistant, anti-corrosive rubber seal washer, screws and be connected on gas cylinder angle valve.Pass through access device, in that context it may be convenient to access alarm connection source of the gas stop valve safety device.Following gas leak phenomenon can be prevented：1st, prevent from, because pressure-reducing valve and gas cylinder angle valve connectivity problem cause gas leak phenomenon, improving the security of gas cylinder angle valve.2nd, prevent from causing leakage phenomenon because the sealing ring of the close front end of pressure-reducing valve above falls off or damaged.3rd, prevent from, because angle valve handwheel is not tightened after inflation, causing leakage phenomenon.4th, prevent from, due to the gas cylinder angle valve connection decompression bad operation of valve hand wheel, twisting the gas leak phenomenon not caused tightly.This cylinder angle valve security protection system is divided into two kinds of non-self-lock-ing and self-locking.
Description
Technical field
The present invention relates to gas cylinder safety protection technique, specially one kind can be applied to GB/5842 liquefied petroleum gas steels
Security protection system on bottle angle valve.
Background technology
The Fire-Fighting Bureau under the Ministry of Public Security issues 1-10 month fuel gas buring accidents in 2015 and has more than 83000 altogether.Four big main causes are wherein
Article 2 just directs at cylinder valve failure.GB/5842 liquefied petroleum gas steel cylinders angle valve is present than larger potential safety hazard：
Pressure-reducing valve and gas cylinder angle valve connection, by the handwheel of a left-hand thread, pitch is very long（30 multi-turns）, easily there is screw thread
Oxidation, damage deform and twist motionless, tightly not on earth.
The seal of the close front end of pressure-reducing valve above is easily fallen off, and is damaged, and can all cause leakage.
If angle valve handwheel is not tightened after inflation, slow leakage also occurs（Cause just to occur to leak quick-fried in transit
It is fried）.
Gas cylinder angle valve connection decompression valve hand wheel is small, easily skids.Young man is difficult to tighten.When the elderly changes gas cylinder meeting
Feel painstaking, twist and do not understand gas leakage tightly.Gas cylinder blast accident take place frequently with gas cylinder angle valve and pressure-reducing valve defect hidden danger have direct correlation because
Element.Forced gas cylinder angle valve,（European standard gas cylinder angle valve）Shanghai liquefied gas company indigo plant bottle special high-pressure valve, simple installation, one
Pressure, carries safety lock, prevents maloperation, from belt switch, 90 degree of unlatchings.Plunger tip is withdrawn during horizontal direction, and gas cylinder valve is certainly
Dynamic to close, installation and removal all facilitate, it is not easy to produce gas leakage, close convenience valve.（There is production the country）Shanghai, Guangzhou and south
The many cities in side are largely used.But, costly and valve port upward, if sealed plastic drowning is covered, easily
Fall into foreign matter and influence secure connection.And the existing GB/5842 gas cylinders quantity of China has as many as several hundred million.The present invention is exactly this
And spend and can thoroughly solve the purpose of problem less.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of cylinder angle valve security protection system, 1,
Solve pressure-reducing valve and gas cylinder angle valve connection is long-term by a thread runner, pitch is very long, and is left-hand thread, easily goes out
Existing screw thread oxidation, damage deform and twist motionless, tightly phenomenon not on earth.2nd, the seal of the close front end of pressure-reducing valve above is solved
Easily fall off, damage, into leakage phenomenon.If angle valve handwheel is not tightened after the 3, solving inflation, also occur
Slow leakage（Cause that leakage detonation just occurs in transit）.4th, gas cylinder angle valve connection decompression valve hand wheel is solved small, it is not tight due to twisting
The gas leak phenomenon caused.Effective workaround is provided for the safe handling of GB/5842 cylinder valves.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of steel cylinder security protection system is main by 1. normally closed interface arrangement and 2. inserted type quick coupling is constituted.I.e. at steel cylinder angle
Increase a normally closed interface arrangement at valve outlet, by left-hand thread and high pressure resistant, anti-corrosive rubber seal washer, screw and be connected to
On gas cylinder angle valve, this normally closed interface arrangement includes two kinds of self-locking and hand.The screw-socket of inserted type quick coupling can be straight
Various decompression valve hand wheel end interfaces are connect in succession.By installed in the snap joint of pressure-reducing valve front end, normally closed interface arrangement is inserted, can be certainly
Dynamic to open normally closed interface, liquid gas enters pressure-reducing valve, and stove can be with normal work.Pass through access device, in that context it may be convenient to connect
Enter alarm connection source of the gas stop valve safety device.
This interface uses ripe Pneumatic quick connector technology, and common technology index is：
Compression resistance：2.0MPa (20kgf/c㎡)
Maximum working (operation) pressure (MWP)：1.5MPa (15kgf/c㎡)
Environment and fluid temperature (F.T.) -20~80 DEG C can meet the beneficial effect that the liquefied petroleum gas use requirement present invention is brought
Have：
Pass through steel cylinder security protection system, in that context it may be convenient to access alarm connection source of the gas stop valve safety device, can prevent with
Lower gas leak phenomenon：
Prevent that, by a thread runner, pitch is very long, and is left-hand thread due to pressure-reducing valve and gas cylinder angle valve connection, hold
Easily there is screw thread oxidation, damage deformation and twist motionless, the liquid gas leakage phenomenon not caused on earth tightly.
Prevent from causing leakage phenomenon because the above sealing ring of pressure-reducing valve front end easily falls off or damaged.
Prevent from, because angle valve handwheel is not tightened after inflation, causing leakage phenomenon occur（Cause just to occur in transit
Leakage）.
Prevent due to the gas cylinder angle valve connection decompression bad operation of valve hand wheel, it is difficult to tighten the gas leak phenomenon caused.This is most
The hidden danger of common generation deflagration accident.
The source of the gas stop valve that can easily will leak out alarm connection by the device accesses gas cylinder and uses link, prevents
The leakage accident that cooking stove terminal, sebific duct are caused.
Change original replacing LP gas cylinder mode：Holding pressure-reducing valve, directly gently inserting self-locking is safe by joint
Interface, joint can be fixed by self-locking, and joint can not be pulled out Chu Lai, it is ensured that connection is safe and reliable.When needing to change bottle and taking out, connecing
To pusher once, joint will automatic spring for mouth self-locking outer shroud.Ventilation is set to become more time saving, laborsaving, conveniently.Old man also can be square
Operating just.
It after the present apparatus, can greatly improve the security performance of GB/5842 liquefied petroleum gas steels angle valve and pressure-reducing valve, protect
Demonstrate,prove the safe handling of combustion gas.
GB/5842 liquefied petroleum gas steel cylinders number is efficiently solved with hundred million, Guangdong Province's quantity is just more than 20,000,000.Find
Solve that potential safety hazard is most effective, the most simple, scheme of most economical solution.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described,
Accompanying drawing 1 is the system structure diagram of the present invention.
Embodiment
Referring to the drawings 1, the present invention is a kind of steel cylinder security protection system, available for various industrial and civilian GB/5842 steel
Bottle, installs very convenient, examines whether gas cylinder angle valve is normal first, normally closed interface arrangement has been installed rubber by the outlet of cleaning angle valve
Fit sealing glue is coated at the hickey end of glue seal washer, is rotated according to left-hand thread direction, interface is fastened on into gas cylinder angle valve
In outlet, spanner can be used to fasten.
If pressure-reducing valve can be used, by supply gas work or maintenance master worker visit with a small wrench fixed decompression valve, make
Decompression valve hand wheel sealing ring retainer plate in front is bitten with a special omnipotent spanner, left and right is pulled, counterclockwise
With a strength with regard to handwheel and sealing ring can be unloaded.Usually 10~12mm screw threads.
Fluid sealant of tightening up a screw will be applied on the joint screw thread of interface kit, joint is arranged on above pressure-reducing valve clockwise
.Slightly treat a few minutes, after fluid sealant is fastened, decompression valve union is inserted in safe interface, from after lock interface insertion certainly
Dynamic locking, it is ensured that sealing joint, opens gas cylinder angle valve, pressure-reducing valve end has air-flow to go out, because pressure is very low, can connect glue
Pipe and stove, gas leakage is checked whether there is using washing powder or suds, and no gas leakage, which is changed, to be completed.
If pressure-reducing valve is old, or inherently three-without-product, pressure-reducing valve need to be just changed, producer can provide
Qualified pressure-reducing valve with joint, replacing of directly being collected money when being sent bottle by work of supplying gas.
Due to having used interface arrangement, and the stop valve of Fuel Gas Leak Alarm connection control easily to install, build
Discuss user installation gas alarm guard system.
It should be noted that the preferable implementation example of the simply present invention described above, the invention is not limited in upper
State embodiment, if its in an identical manner or method, scheme reach the present invention technique effect, should all belong to the present invention
Protection domain.
Claims (4)
1. a kind of cylinder angle valve security protection system, it is characterised in that：Including GB/5842 liquefied petroleum gas steel cylinders angle valve increase by one
Individual normally closed interface arrangement, by left-hand thread and high pressure resistant, anti-corrosive rubber seal washer, screws and is connected on gas cylinder angle valve；This
Device includes two kinds of self-locking and hand；The screw-socket of inserted type quick coupling can be directly connected to various decompression valve hand wheel ends
Interface（Take down and connected after handwheel）, by the snap joint installed in pressure-reducing valve front end, normally closed interface arrangement is inserted, top opens normally closed
Interface, liquid gas enters pressure-reducing valve, and stove can be with normal work；
Pass through access device, in that context it may be convenient to access alarm connection source of the gas stop valve safety device.
2. a kind of cylinder angle valve security protection system according to claim 1, it is characterised in that：The cylinder angle valve safety
Guard system includes a normally closed interface arrangement, by left-hand thread and high pressure resistant, anti-corrosive rubber seal washer, screws and is connected to
On gas cylinder angle valve, interface includes two kinds of self-locking and non-self-lock-ing formula, and self-locking is safer using more facilitating；Installed in subtracting
The inserted sleeve of pressure valve front end, is inserted after normally closed interface, opens normally closed interface.
3. a kind of cylinder angle valve security protection system according to claim 2, it is characterised in that：, can by access device
So that pressure-reducing valve easily to be accessed to the source of the gas stop valve of leakage alarm connection, occur gas leakage, cut by source of the gas stop valve
Die source, it is ensured that use safety.
4. a kind of cylinder angle valve security protection system according to claim 3, it is characterised in that：It is described original gas cylinder angle
The outlet end interface state change open in usual of valve be normally closed type, even if angle valve valve is not turned off in transit, source of the gas also without
Method is spilt, it is therefore prevented that leakage explosion accident occurs in transit；Normally closed interface coats fastening glue when installing, and normally closed interface can not be unloaded
Under；Can effectively it prevent by opening the accident that gas cylinder is committed suiside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030367.7A CN106979456A (en) | 2016-01-18 | 2016-01-18 | A kind of cylinder angle valve security protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030367.7A CN106979456A (en) | 2016-01-18 | 2016-01-18 | A kind of cylinder angle valve security protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979456A true CN106979456A (en) | 2017-07-25 |
Family
ID=59341464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610030367.7A Pending CN106979456A (en) | 2016-01-18 | 2016-01-18 | A kind of cylinder angle valve security protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979456A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883029A (en) * | 2017-11-06 | 2018-04-06 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of pressure-reducing valve and gas-fired equipment |
| CN108313405A (en) * | 2018-04-23 | 2018-07-24 | 佛山市奥耶克思机械设备有限公司 | The electromagnetic induction heat-sealing device of packing machine |
| CN108916649A (en) * | 2018-07-06 | 2018-11-30 | 珠海普燃软件科技有限公司 | A kind of liquefied gas cylinder valve attachment device and cylinder for liquefied gas |
| CN110207020A (en) * | 2019-07-01 | 2019-09-06 | 董国栋 | A kind of air-leakage preventing device |
| CN111982965A (en) * | 2020-08-05 | 2020-11-24 | 中国石油天然气集团有限公司 | Cooling system for continuous heating explosion test of liquefied petroleum gas cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204727U (en) * | 1987-10-31 | 1988-09-28 | 骆建铭 | Thread reducer assemblage for liquefied petroleum gas |
| CN2043702U (en) * | 1988-12-13 | 1989-08-30 | 高崇 | Pressure indicator for the tank of liquefied petroleum gas |
| CN2088195U (en) * | 1990-08-13 | 1991-11-06 | 石远成 | Energy-saving means for lpg steel cylinder |
| CN2225594Y (en) * | 1995-01-27 | 1996-04-24 | 徐源永 | Liquid discharging liquid pressure reducing gasifying valve for liquefied gas tank |
| CN2326821Y (en) * | 1998-04-14 | 1999-06-30 | 周正祥 | Integrated double-safety pressure-reducing valve for liquified petroleum gas |
| CN2837662Y (en) * | 2005-05-26 | 2006-11-15 | 张珉 | Complete gas safety device |
-
2016
- 2016-01-18 CN CN201610030367.7A patent/CN106979456A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87204727U (en) * | 1987-10-31 | 1988-09-28 | 骆建铭 | Thread reducer assemblage for liquefied petroleum gas |
| CN2043702U (en) * | 1988-12-13 | 1989-08-30 | 高崇 | Pressure indicator for the tank of liquefied petroleum gas |
| CN2088195U (en) * | 1990-08-13 | 1991-11-06 | 石远成 | Energy-saving means for lpg steel cylinder |
| CN2225594Y (en) * | 1995-01-27 | 1996-04-24 | 徐源永 | Liquid discharging liquid pressure reducing gasifying valve for liquefied gas tank |
| CN2326821Y (en) * | 1998-04-14 | 1999-06-30 | 周正祥 | Integrated double-safety pressure-reducing valve for liquified petroleum gas |
| CN2837662Y (en) * | 2005-05-26 | 2006-11-15 | 张珉 | Complete gas safety device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883029A (en) * | 2017-11-06 | 2018-04-06 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of pressure-reducing valve and gas-fired equipment |
| CN108313405A (en) * | 2018-04-23 | 2018-07-24 | 佛山市奥耶克思机械设备有限公司 | The electromagnetic induction heat-sealing device of packing machine |
| CN108916649A (en) * | 2018-07-06 | 2018-11-30 | 珠海普燃软件科技有限公司 | A kind of liquefied gas cylinder valve attachment device and cylinder for liquefied gas |
| CN110207020A (en) * | 2019-07-01 | 2019-09-06 | 董国栋 | A kind of air-leakage preventing device |
| CN111982965A (en) * | 2020-08-05 | 2020-11-24 | 中国石油天然气集团有限公司 | Cooling system for continuous heating explosion test of liquefied petroleum gas cylinder |
| CN111982965B (en) * | 2020-08-05 | 2024-03-26 | 中国石油天然气集团有限公司 | Cooling system for continuous heating explosion test of liquefied petroleum gas cylinder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191225 Address after: 519000 room 105-54740, No. 6, Baohua Road, Hengqin New District, Zhuhai City, Guangdong Province (centralized office area) Applicant after: ZHUHAI PURAN SOFTWARE TECHNOLOGY Co.,Ltd. Address before: 519000 A309, Jinji Hill Road, Xiangzhou District, Guangdong, Zhuhai, 378 Applicant before: ZHUHAI ZHIHUI INNOVATION TECHNOLOGY CO.,LTD. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |
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| RJ01 | Rejection of invention patent application after publication |