CN106151617A - A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close valve closing - Google Patents
A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close valve closing Download PDFInfo
- Publication number
- CN106151617A CN106151617A CN201510214178.0A CN201510214178A CN106151617A CN 106151617 A CN106151617 A CN 106151617A CN 201510214178 A CN201510214178 A CN 201510214178A CN 106151617 A CN106151617 A CN 106151617A
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- CN
- China
- Prior art keywords
- spool
- valve seat
- explosion
- valve
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close valve closing, and it includes valve housing；It is characterized in that: valve housing have be interconnected inlet channel, valve seat, pressure chamber, valve seat, outlet passageway；A cylinder is installed above pressure chamber；The piston being provided around type leakage-proof seal rubber ring one is inserted in cylinder, and installs at bottom centre position in a pull bar insertion pull bar pilot hole with arc shrinkage pool；In piston starts pull bar, it is inserted in a compression spring head on cylinder head；A startup pull-button is also installed starting pull bar end；Appropriate position in inlet channel, install one forward elastic force close spool match with valve seat；Spool push rod is inserted through valve seat and enters in pressure chamber, and with arc shrinkage pool aligned fit；Appropriate position in outlet passageway, installs a reverse closedown spool and matches with valve seat.This valve can also make in petroleum pipeline or water supply pipe.
Description
Technical field:
The present invention relates to a kind of pipe gas leakage self-closing valve, particularly relate to a kind of pipe gas accidental explosion or quick-fried
Split gas leakage automatic bidirectional and close valve closing.
Background technology:
Along with the development of society, pipe gas to become the industrial and civilian main fuel energy, long-distance conveying pipe
The security against fire of road combustion gas is matter of utmost importance；At present, the security against fire in long-distance conveyance conduit combustion gas is main
Being dependent on the electromagnetic valve that satellite fix controls, its shortcoming one is: the electromagnetic valve cost that satellite fix controls is than effect
High, it is impossible to intensive installation；Its shortcoming two is: life-time service electronic original part is easy to be aging out of control, maintenance cost
Higher than effect.
For knot the problems referred to above of thawing, the present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatically
Two-way pass valve closing, it is to improve to form (patent on the basis of existing patent of invention technology
Number: 200810090823.2), i.e. the structure valve of original unidirectional function of self closing is slightly improved, and logical giving vent to anger
One end, road increases by one reverse closedown spool of installing and matches with valve seat, to reach two-way closedown combustion gas, it is ensured that
The maximum safety of long-distance conveyance conduit combustion gas.
Technical scheme:
According to above-mentioned purpose, the present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close
Valve, it includes valve housing；It is characterized in that: valve housing have be interconnected inlet channel, valve seat, pressure
Power chamber, valve seat, outlet passageway；A cylinder is installed above pressure chamber；One is around equiped with
The piston of type leakage-proof seal rubber ring is inserted in cylinder, and at bottom centre position, install one recessed with arc
The pull bar in hole inserts in pull bar pilot hole, with reach piston can the unimpeded helpless effect slided up and down；At piston
Being inserted in a compression spring in startup pull bar to head on cylinder head, during to reach unexpected booster gas leakage, piston can
Quickly decline the effect making forward elastic force closedown spool quickly close gas combustion gas；Also install starting pull bar end
One starts pull-button, to reach to facilitate the effect of manpower pull-up breakdown combustion gas；Appropriate position in inlet channel,
Install one forward elastic force close spool match with valve seat；Spool push rod (is inserted through valve seat and enters pressure
In power chamber, and with arc shrinkage pool aligned fit, the quickest during to reach the accident booster gas leakage of this valve rear
Close gas combustion gas, prevent the gas that comes in the pipeline in front, explosion site from leaking in a large number, cause again explosion danger and
The effect of waste；Appropriate position in outlet passageway, installs a reverse closedown spool and matches with valve seat,
To reach automatic snap back pass gas combustion gas when the front accident booster of this valve leaks gas, after preventing explosion site
Combustion gas stored in the pipeline of side leaks the effect causing again explosion danger and waste in a large number.
The present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing, and it includes valve
Gate housing；Valve housing has the inlet channel outlet passageway being interconnected；It is characterized in that: at valve housing
Center position, install a two-way closedown valve seat with；In the front of valve seat, install a spool, and
The front installing spool card net of spool, to reach the effect preventing spool from doubling back；Also install above spool
One Automatic-reset start button matches, to reach the effect that breakdown combustion gas uses；Fill at the rear of valve seat
If a spool, and install spool card net at the rear of spool, to reach the effect preventing spool from running forward.
Beneficial effect:
The present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing, beneficial effect
It is: it is not only able to solve the problem of pipeline natural aging blast gas leakage, but also is prevented from war, nature
Disaster or artificial destruction make pipe explosion cause the problem of significant damage, and its low cost of manufacture can intensive be pacified
Dress, and non-maintaining.
Accompanying drawing illustrates:
The present invention provide a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close below in conjunction with the accompanying drawings
Valve closing is described in further detail.
Fig. 1 is that invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close the normal work of valve closing
Side-looking structural representation when making；
Fig. 2 is that invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing in midway
The side-looking structural representation of front combustion gas is the most forward closed during the blast gas leakage of certain segment pipe；
Fig. 3 is that invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing in midway
During the blast gas leakage of certain segment pipe, automatic reverse closes the side-looking structural representation of rear combustion gas；
Fig. 4 is that invention provides a kind of simple-type pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing
Side-looking structural representation.
Embodiment:
(as shown in Figure 1), the present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close
Valve closing, it includes valve housing (1)；It is characterized in that: valve housing (1) has the inlet channel being interconnected
(2), valve seat (3), pressure chamber (4), valve seat (5), outlet passageway (6)；Fill in the top of pressure chamber (4)
If a cylinder (8)；The piston (7) being around equiped with type leakage-proof seal rubber ring one is inserted in cylinder (8),
And at bottom centre position, install a pull bar with arc shrinkage pool (9) (10) and insert pull bar pilot hole
(17) in, with reach piston can the unimpeded helpless effect slided up and down；It is inserted in piston starts pull bar (11)
Article one, compression spring (12) heads on cylinder head (18), and during to reach unexpected booster gas leakage, piston can be quick
Decline the effect making forward elastic force close spool (16) quickly pass gas combustion gas；One is also installed starting pull bar end
Individual startup pull-button (13), to reach to facilitate the effect of manpower pull-up breakdown combustion gas；In inlet channel (2) suitably
Position, install one forward elastic force close spool (16) match with valve seat (3)；Spool push rod (15) is inserted
Enter and enter in pressure chamber (4) by valve seat (3), and with arc shrinkage pool (9) aligned fit, to reach this valve
The most quickly close gas combustion gas behind the door during the gas leakage of the unexpected booster in side, prevent from the pipeline in front, explosion site carrys out gas
A large amount of leakages, cause again the effect of explosion danger and waste；Appropriate position in outlet passageway (6), dress
If a reverse closedown spool (14) is matched with valve seat (5), to reach the front accident booster gas leakage of this valve
Shi Zidong snap back closes gas combustion gas, prevents combustion gas stored in the pipeline at rear, explosion site from leaking in a large number
Cause again the effect of explosion danger and waste.
(as shown in Figure 4), the present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close
Valve, it includes valve housing (1)；Valve housing (1) has inlet channel (2) outlet passageway being interconnected
(3)；It is characterized in that: at the center position of valve housing (1), install a two-way closedown valve seat (4) and (5)；
In the front of valve seat (4), install a spool (6), and in the front of spool (6) installing spool card net (7), to reach
To the effect preventing spool (6) from doubling back；An Automatic-reset start button is also installed in the top of spool (6)
(8) match, to reach the effect that breakdown combustion gas uses；A spool (9) is installed at the rear of valve seat (5), and
At the rear of spool (9) installing spool card net (10), to reach the effect preventing spool (9) from running forward.
Using method one:
A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional that the present invention provides close valve closing, and it is mainly
Using in long-distance conveyance conduit combustion gas and use in the conveyance conduit combustion gas of city, about every km installs one
Individual.(note: do not have and install the schematic diagram connected, it is possible to understand that).
(as shown in Figure 1), when deployed, pull-button (13) can be started by other power or man power pull-up
Making pull bar (10) increase and push forward elastic force closedown spool (16) open, pressure chamber creates pressure, piston in (4)
(7) being often in pull-up state, combustion gas can be the most unimpeded.
(as shown in Figure 2), when the pipeline accidental explosion at this valve rear leaks gas, in pressure chamber (4), pressure subtracts
Little, piston (7) is under the effect of compression spring (12) power, and described pull bar (10) down slides, spool top
The round end of bar (15), just falls in arc shrinkage pool (9), forward promotes elastic force to close spool (16) and is adjacent to valve seat (3)
Automatically forward close, it is ensured that the safety carrying out gas in front.
(as shown in Figure 3), when the pipeline accidental explosion in this valve front leaks gas, described reversely closes spool (14)
In the wings in pipeline under the effect of combustion gas pressure itself, automatic paste tightening valve seat (5) is automatically switched off, it is ensured that rear square tube
The safety of stored combustion gas in road.
A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional that the present invention provides close valve closing, such as exist
Conveyance conduit combustion gas in 1000-2000 kilometer, if there is a segment pipe blast midway, the combustion gas lost is only
It it is 1 kilometer.
Using method two:
(as shown in Figure 4) can be just by start button in other power or man power, when deployed, can be passed through
Normal open gas, when this valve front pipeline accidental explosion gas leakage, utilizes combustion gas pressure itself in the pipeline of rear to promote
Rear spool (9) is adjacent to rear valve seat (5) automatic self-closing gas；When this valve rear accidental explosion gas leakage, utilize
In the pipeline of front, combustion gas pressure itself promotes front valve core (6) to be adjacent to front valve seat (4) automatic self-closing gas.
Claims (2)
1. the present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing, and it includes
Valve housing (1)；It is characterized in that: valve housing (1) have be interconnected inlet channel (2), valve seat (3),
Pressure chamber (4), valve seat (5), outlet passageway (6)；A cylinder (8) is installed in the top of pressure chamber (4)；
The piston (7) being around equiped with type leakage-proof seal rubber ring one is inserted in cylinder (8), and in bottom centre position
Put place, install a pull bar with arc shrinkage pool (9) (10) and insert in pull bar pilot hole (17), to reach alive
Plug can the unimpeded helpless effect slided up and down；It is inserted in a compression spring (12) in piston starts pull bar (11)
Head on cylinder head (18)；Startup pull-button (13) is also installed starting pull bar end；In inlet channel (2)
Middle appropriate position, install one forward elastic force close spool (16) match with valve seat (3)；Spool push rod
(15) be inserted through valve seat (3) and enter in pressure chamber (4), and with arc shrinkage pool (9) aligned fit；Going out
Appropriate position in gas passage (6), installs a reverse closedown spool (14) and matches with valve seat (5).
2. the present invention provides a kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional to close valve closing, and it includes
Valve housing (1)；Valve housing (1) has inlet channel (2) outlet passageway (3) being interconnected；Its feature
It is: at the center position of valve housing (1) to install a two-way closedown valve seat (4) and (5)；In valve seat (4)
Front, install a spool (6), and in the front of spool (6) installing spool card net (7)；Upper at spool (6)
Side's also one Automatic-reset start button (8) of installing is matched；A spool is installed at the rear of valve seat (5)
(9) spool card net (10), and at the rear of spool (9) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214178.0A CN106151617A (en) | 2015-04-23 | 2015-04-23 | A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close valve closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214178.0A CN106151617A (en) | 2015-04-23 | 2015-04-23 | A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close valve closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151617A true CN106151617A (en) | 2016-11-23 |
Family
ID=57347364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214178.0A Pending CN106151617A (en) | 2015-04-23 | 2015-04-23 | A kind of pipe gas accidental explosion or explosion gas leakage automatic bidirectional close valve closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131335A (en) * | 2017-06-27 | 2017-09-05 | 中煤科工集团重庆研究院有限公司 | Buffer type explosion flame isolating device |
| CN111795185A (en) * | 2020-07-14 | 2020-10-20 | 浙江大学 | Gas safety valve with under-pressure protection and over-temperature and over-flow cut-off functions and method thereof |
-
2015
- 2015-04-23 CN CN201510214178.0A patent/CN106151617A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131335A (en) * | 2017-06-27 | 2017-09-05 | 中煤科工集团重庆研究院有限公司 | Buffer type explosion flame isolating device |
| CN111795185A (en) * | 2020-07-14 | 2020-10-20 | 浙江大学 | Gas safety valve with under-pressure protection and over-temperature and over-flow cut-off functions and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Shaanxi Datang Intelligent Instrument Instrument Co., Ltd. Document name: Notification of Publication of the Application for Invention |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |