CN109373192A - A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve - Google Patents

A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve Download PDF

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Publication number
CN109373192A
CN109373192A CN201811450563.5A CN201811450563A CN109373192A CN 109373192 A CN109373192 A CN 109373192A CN 201811450563 A CN201811450563 A CN 201811450563A CN 109373192 A CN109373192 A CN 109373192A
Authority
CN
China
Prior art keywords
blowdown
posting
ball valve
safety detection
pipe group
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
Application number
CN201811450563.5A
Other languages
Chinese (zh)
Inventor
高新杰
柳文
丁宁
刘凤霞
陈传胜
李俊
杨科举
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Sichuan East Gas Pipeline Co Ltd
Original Assignee
Sinopec Sichuan East Gas Pipeline Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sinopec Sichuan East Gas Pipeline Co Ltd filed Critical Sinopec Sichuan East Gas Pipeline Co Ltd
Priority to CN201811450563.5A priority Critical patent/CN109373192A/en
Publication of CN109373192A publication Critical patent/CN109373192A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/02Pipe-line systems for gases or vapours
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00Arrangements for supervising or controlling working operations
    • F17D3/01Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)

Abstract

The present invention relates to a kind of natural gas lines to be released tool, including posting and safety detection bleeder pipe group with the safe blowdown of DN100 or less ball valve;The gas that the safety detection bleeder pipe group is discharged to the sewage draining exit of safety relief blowdown valve, inlet end is fixed on one end of the posting, and protrudes into inside the posting, and exhaust end is connected to collection vessel;The other end of the posting is equipped with the positioning head in the portion of inserting into the inner, and the positioning head can be moved close to relative to the posting or the inlet end far from the safety detection bleeder pipe group;The blowdown mouth of ball valve is clamped between the inlet end of the safety detection bleeder pipe group and the positioning threads head, and the sewage draining exit of the blowdown mouth is docked and is interconnected with the inlet end.Advantage: the tool performance is reliable, structure is simple, operation is time saving and energy saving, easy to carry, can accurately measure valve chamber pressure value, achievees the purpose that fast and safely blowdown.

Description

A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve
Technical field
The present invention relates to natural gas blowdown detection device, in particular to a kind of natural gas line is pacified with DN100 or less ball valve Full blowdown is released tool.
Background technique
In blowdown, there are blowdown airflow noises that big, effluent pressure can not determine, valve for the following ball valve of Gas Stations DN100 at present Leakage situation is unable to judge accurately in door, gas shock injury, effluent are difficult to the problems such as collecting, especially at valve blowdown mouth When restricted clearance, easily generation pollution discharging plug opens the problems such as dynamics is difficult to control.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of natural gas lines to be let out with the safe blowdown of DN100 or less ball valve Tool is put, the defect of the prior art is effectively overcome.
The technical scheme to solve the above technical problems is that a kind of natural gas line is pacified with DN100 or less ball valve Full blowdown is released tool, including posting and safety detection bleeder pipe group;
The gas that above-mentioned safety detection bleeder pipe group is discharged to the sewage draining exit of safety relief blowdown valve, inlet end are fixed It in one end of above-mentioned posting, and protrudes into inside above-mentioned posting, exhaust end is connected to collection vessel;
The other end of above-mentioned posting is equipped with the positioning head in the portion of inserting into the inner, and above-mentioned positioning head can be relative to above-mentioned positioning It frames shift the dynamic inlet end close to or far from above-mentioned safety detection bleeder pipe group;
The blowdown mouth of ball valve is clamped between the inlet end and above-mentioned positioning head of above-mentioned safety detection bleeder pipe group, and on The sewage draining exit for stating blowdown mouth is docked and is interconnected with above-mentioned inlet end.
The beneficial effects of the present invention are: the tool performance is reliable, structure is simple, operation is time saving and energy saving, easy to carry, it can Valve chamber pressure value is accurately measured, achievees the purpose that fast and safely blowdown.
Based on the above technical solution, the present invention can also be improved as follows.
Further, above-mentioned positioning head is columned spiral head, and the other end of above-mentioned posting runs through equipped with matched Threaded hole, above-mentioned spiral head screws with above-mentioned threaded hole.
Beneficial effect using above-mentioned further scheme is.
Further, above-mentioned safety detection bleeder pipe group includes release supervisor and branch pipe of releasing, above-mentioned to release that be responsible for one end logical The one end for crossing silencer and above-mentioned branch pipe of releasing is connected to and in communication with, and the other end of the above-mentioned supervisor that releases constitutes above-mentioned safety detection and lets out The inlet end of pipe group is put, the other end of above-mentioned branch pipe of releasing constitutes the exhaust end of above-mentioned safety detection bleeder pipe group, above-mentioned to release It is respectively communicated on supervisor equipped with pressure gauge and flow control valve.
Beneficial effect using above-mentioned further scheme is that safety detection bleeder pipe group is reasonable in design, can be in gas Real-time detection gas pressure during releasing, and reduce the noise of discharge and the flow of regulating gas discharge, Neng Gouzhun Valve chamber pressure value really is measured, achievees the purpose that fast and safely blowdown.
Further, the above-mentioned supervisor that releases is round tube, and one end of above-mentioned posting is run through equipped with another with the above-mentioned supervisor that releases The pilot hole that one end matches, above-mentioned pilot hole and above-mentioned threaded hole are coaxially disposed, and the other end of the above-mentioned supervisor that releases is detachable Be installed through at above-mentioned pilot hole.
Beneficial effect using above-mentioned further scheme be the design blowdown mouth is stablized, be firmly clamped in into Between gas end and positioning head, release conducive to the good completion of entire tool.
Further, connection is equipped with pressure reducing valve on above-mentioned branch pipe of releasing.
Beneficial effect using above-mentioned further scheme is to can reduce the pressure of gas discharging, reduces the stream of gas discharge Speed, the more conducively collection of its internal impurity and dirt.
Further, the other end end of the above-mentioned supervisor that releases is equipped with rubber seal.
Beneficial effect using above-mentioned further scheme is that the supervisor that releases closely is docked with sewage draining exit.
Further, above-mentioned posting is cuboid frame structure.
Beneficial effect using above-mentioned further scheme be it is reasonable in design, conducive to the mounting arrangement of entire tool.
Further, above-mentioned collection vessel is the cup body structure of upper end opening, and side wall upper part is equipped with the mounting hole through it, The exhaust end of above-mentioned safety detection bleeder pipe group passes through the mounting hole and protrudes into above-mentioned collection vessel.
Beneficial effect using above-mentioned further scheme is the collection of the discharge and impurity, dirt conducive to gas.
Detailed description of the invention
Fig. 1 is natural gas line of the invention to be released the structural schematic diagram of tool with the safe blowdown of DN100 or less ball valve;
Fig. 2 is natural gas line of the invention to be released the usage state diagram of tool with the safe blowdown of DN100 or less ball valve.
In attached drawing, parts list represented by the reference numerals are as follows:
1, posting, 2, safety detection bleeder pipe group, 3, collection vessel, 4, positioning head, 5, blowdown mouth, 21, release supervisor, 22, it releases branch pipe, 23, silencer, 24, pressure gauge, 25, flow control valve, 26, pressure reducing valve, 211, sealing ring.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
Embodiment: as shown, the natural gas line of the present embodiment is released kit with the safe blowdown of DN100 or less ball valve Include posting 1 and safety detection bleeder pipe group 2;
The gas that above-mentioned safety detection bleeder pipe group 2 is discharged to the sewage draining exit of safety relief blowdown valve, inlet end are solid It is scheduled on one end of above-mentioned posting 1, and is protruded into inside above-mentioned posting 1, exhaust end is connected to collection vessel 3;
The other end of above-mentioned posting 1 is equipped with the positioning head 4 in the portion of inserting into the inner, and above-mentioned positioning head 4 can be relative to above-mentioned Posting 1 moves close to or the inlet end far from above-mentioned safety detection bleeder pipe group 2;
The blowdown mouth 5 of ball valve is clamped between the inlet end and above-mentioned positioning head 4 of above-mentioned safety detection bleeder pipe group 2, And the sewage draining exit of above-mentioned blowdown mouth 5 is docked and is interconnected with above-mentioned inlet end.
In use process, posting 1 is placed on outside the blowdown mouth 5 of DN100 or less model ball valve, later, rotation adjusts whole The orientation of a tool of releasing, so that the sewage draining exit of inlet end alignment 5 side of blowdown mouth of safety detection bleeder pipe group 2, movement are whole A tool makes sewage draining exit dock (fitting) with the inlet end of safety detection bleeder pipe group 2, later, adjusts the movement of positioning head 4, makes It is mobile towards the inlet end of safety detection bleeder pipe group 2, until blowdown mouth 5 is firmly clamped, completes inlet end and blowdown The good docking of mouth opens the silk plug that blowdown mouth 5 deviates from ball valve one end later, and blowdown valve releases gas by safety detection Pipe group 2 is discharged, and in discharge process, collects the impurity and dirt that contain in gas by collection vessel 3, entire tool can be safe Release to blowdown gas, operate with more convenient.
It should be noted that: the cylindrical blowdown mouth 5 of hexagonal, blowdown mouth 5 are all had on the valve body of DN100 or less ball valve Side side is equipped with sewage draining exit, and the end far from valve body is equipped with the silk plug of open or close device.
Preferably, above-mentioned positioning head 4 is columned spiral head, the other end of above-mentioned posting 1, which runs through, to be equipped with and it The threaded hole matched, above-mentioned spiral head is screwed with above-mentioned threaded hole, and in operating process, only need to turn spiral head can precession thread head Close to or far from the inlet end of safety detection bleeder pipe group 2, blowdown mouth 5 can gradually be clamped by tightening, and unscrewing can be completed to row Release after the dirty clamping of mouth 5, it is simple, convenient.
One end that above-mentioned positioning head 4 is located at outside above-mentioned posting 1 is fixed with mechanical knob, turns behaviour convenient for operating personnel Make.
Above-mentioned positioning head 4 is also possible to screw rod or bolt, one end electroplating equipment wielding machine knob or hand being located at outside posting 1 Handle.
Optimal, above-mentioned safety detection bleeder pipe group 2 includes release supervisor 21 and branch pipe 22 of releasing, the above-mentioned supervisor 21 that releases One end is connected to and in communication with by silencer 23 with above-mentioned one end for releasing branch pipe 22, and the other end of the above-mentioned supervisor 21 that releases is constituted The inlet end of safety detection bleeder pipe group 2 is stated, the above-mentioned other end for releasing branch pipe 22 constitutes above-mentioned safety detection bleeder pipe group 2 Exhaust end, it is above-mentioned release supervisor 21 on be respectively communicated with equipped with pressure gauge 24 and flow control valve 25, during releasing, gas enter The pressure state for gas of releasing can be detected in real time through pressure gauge 24 by releasing after being responsible for 21, so that operating personnel quickly makes just True reaction, meanwhile, which can also react the whether interior situation let out of blowdown valve (if pressure gauge is held after the completion of blowdown Continuous have that pressure is vertical, then illustrates that blowdown valve lets out situation in existing, operating personnel can carry out service work, if not having after the completion of blowdown There is pressure to show, then illustrate blowdown valve in order), meanwhile, operating personnel can pass through stream according to the pressure state of pressure gauge 24 Adjustable valve 25 adjusts the uninterrupted released in the unit time, so that it is process safety of entirely releasing, good, pass through after gas Silencer 23 enters branch pipe 22 of releasing, and fully absorbs the noise during releasing, so that process noise of entirely releasing is down to and can be connect The range received, finally, gas is released, branch pipe 22 enters in collection vessel 3, and impurity and dirt are retained in collection vessel 3, His uncontaminated gases outlet, entire blowdown process safety is higher, and operation is easier, time saving and energy saving, can accurately survey Valve chamber pressure value is measured, achievees the purpose that fast and safely blowdown.
Preferably, the above-mentioned supervisor 21 that releases is round tube, one end of above-mentioned posting 1, which is run through, to be equipped with and the above-mentioned supervisor 21 that releases The pilot hole that matches of the other end, above-mentioned pilot hole and above-mentioned threaded hole be coaxially disposed, the other end of the above-mentioned supervisor 21 that releases Through being fixed at above-mentioned pilot hole, (specifically, being equipped with external screw thread outside 21 other ends of supervisor of releasing, pilot hole inner wall is equipped with interior Screw thread, 21 other ends of supervisor of releasing screw at pilot hole), the design comparison is reasonable, enables to blowdown mouth 5 secured, stable Be clamped between the inlet end and positioning head 4 of safety detection bleeder pipe group 2, and make inlet end good right with sewage draining exit It connects, realizes subsequent good release.
Preferably, connection is equipped with pressure reducing valve 26 on above-mentioned branch pipe 22 of releasing, gas row can be reduced by the pressure reducing valve 26 The pressure put, so that the gentle outlet of gas, the collection of impurity and dirt more conducively in gas.
Preferably, the above-mentioned other end end for releasing supervisor 21 is equipped with rubber seal 211, in the another of supervisor 21 of releasing When one end is docked with the completion of the sewage draining exit of blowdown mouth 5, rubber seal 211 is sealed against in sewage draining exit surrounding, so that the master that releases Connection sealing is preferable between the other end and sewage draining exit of pipe 21, and gas is not easy to leak.
Preferably, above-mentioned posting 1 is cuboid frame structure, structure design comparison is reasonable, and production is simple, is conducive to It releases and is responsible for the good contraposition installation of 21 and positioning head 4.
Optimal, above-mentioned collection vessel 3 is the cup body structure of upper end opening, and side wall upper part is equipped with the installation through it Hole, the exhaust end of above-mentioned safety detection bleeder pipe group 2 passes through the mounting hole and protrudes into above-mentioned collection vessel 3, conducive to letting out for gas It puts.
Gas filtration functional layer can be set in the upper end open-mouth of above-mentioned collection vessel 3, to more preferably effectively intercept gas The impurity and dirt contained in body, reduces the pollution released.
Above-mentioned collection vessel 3 can also be using equivalent replacement as oil gas separation equipment.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve, it is characterised in that: including posting (1) With safety detection bleeder pipe group (2);
The gas that the safety detection bleeder pipe group (2) is discharged to the sewage draining exit of safety relief blowdown valve, inlet end are fixed In one end of the posting (1), and the posting (1) inside is protruded into, exhaust end is connected to collection vessel (3);
The other end of the posting (1) is equipped with the positioning head (4) in the portion of inserting into the inner, and the positioning head (4) can be relative to institute State posting (1) move close to or far from the safety detection bleeder pipe group (2) inlet end;
The blowdown mouth (5) of ball valve be clamped in the safety detection bleeder pipe group (2) inlet end and the positioning head (4) it Between, and the sewage draining exit of the blowdown mouth (5) is docked and is interconnected with the inlet end.
2. a kind of natural gas line according to claim 1 is released tool with the safe blowdown of DN100 or less ball valve, feature Be: the positioning head (4) is columned spiral head, and the other end of the posting (1), which runs through, is equipped with matched spiral shell Pit, the spiral head are screwed with the threaded hole.
3. a kind of natural gas line according to claim 2 is released tool with the safe blowdown of DN100 or less ball valve, feature Be: the safety detection bleeder pipe group (2) includes release supervisor (21) and branch pipe of releasing (22), the supervisor (21) one that releases End is connected to and in communication with by silencer (23) and one end of the branch pipe of releasing (22), the other end structure of the supervisor (21) that releases At the inlet end of the safety detection bleeder pipe group (2), the other end of the branch pipe of releasing (22) constitutes the safety detection and lets out Put the exhaust end of pipe group (2), described release is respectively communicated with equipped with pressure gauge (24) and flow control valve (25) on supervisor (21).
4. a kind of natural gas line according to claim 3 is released tool with the safe blowdown of DN100 or less ball valve, feature Be: described release supervisor (21) are round tube, and one end of the posting (1), which is run through, to be equipped with and the another of supervisor (21) of releasing The pilot hole that one end matches, the pilot hole and the threaded hole are coaxially disposed, and the other end for releasing supervisor (21) passes through It fastens and is scheduled at the pilot hole.
5. a kind of natural gas line according to claim 3 or 4 is released tool with the safe blowdown of DN100 or less ball valve, Be characterized in that: connection is equipped with pressure reducing valve (26) on the branch pipe of releasing (22).
6. a kind of natural gas line according to claim 3 or 4 is released tool with the safe blowdown of DN100 or less ball valve, Be characterized in that: the other end end for releasing supervisor (21) is equipped with rubber seal (211).
7. a kind of natural gas line according to any one of claims 1 to 4 is released work with the safe blowdown of DN100 or less ball valve Tool, it is characterised in that: the posting (1) is cuboid frame structure.
8. a kind of natural gas line according to any one of claims 1 to 4 is released work with the safe blowdown of DN100 or less ball valve Tool, it is characterised in that: the collection vessel (3) is the cup body structure of upper end opening, and side wall upper part is equipped with the installation through it Hole, the exhaust end of the safety detection bleeder pipe group (2) pass through the mounting hole and protrude into the collection vessel (3).
CN201811450563.5A 2018-11-30 2018-11-30 A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve Pending CN109373192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811450563.5A CN109373192A (en) 2018-11-30 2018-11-30 A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve

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Application Number Priority Date Filing Date Title
CN201811450563.5A CN109373192A (en) 2018-11-30 2018-11-30 A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879709A (en) * 2021-01-27 2021-06-01 中国特种设备检测研究院 Quick plugging device and method for gas pipeline

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87215570U (en) * 1987-11-11 1988-11-09 新安江贮藏设备厂 Semi-automatic energy-saving pollution-preventing type jig for inflating gas cylinder
CN2120248U (en) * 1991-11-20 1992-10-28 王宇 Flexible pipe filling device with high-pressure acetylene gas
CN1265186A (en) * 1997-07-28 2000-08-30 得士乐责任有限公司 Pipe coupling method and appts.
KR200263537Y1 (en) * 2001-07-23 2002-02-06 김원 ball valves specific for clamp and crimp
CN2522715Y (en) * 2002-01-29 2002-11-27 李治明 Safety special clamp for gas cylinder decompression device
AU2006297035A1 (en) * 2005-09-27 2007-04-05 Clearford Industries Inc. High performance sewer system
US20080260466A1 (en) * 2007-04-19 2008-10-23 David Alan Stone Apparatus for permitting access to the interior of a subterranean fluid-carrying pipe by way of an excavation which has uncovered the wall of the pipe
CN201216912Y (en) * 2008-06-20 2009-04-08 宝山钢铁股份有限公司 Apparatus for recycling natural gas residual after pollution discharge
CN102059676A (en) * 2010-12-22 2011-05-18 重庆渝通机械有限公司 Device and method for mounting water pipe connector on shell of thermostat
CN203330977U (en) * 2013-06-19 2013-12-11 广州市仨和机械设备有限公司 System special for dismounting and mounting electronic control pump nozzle
US20140034475A1 (en) * 2012-04-06 2014-02-06 Deka Products Limited Partnership Water Vapor Distillation Apparatus, Method and System
US8899254B1 (en) * 2012-06-19 2014-12-02 Yamsmos & Company, Inc. Valve removal tool and method
CN204312272U (en) * 2014-11-17 2015-05-06 中国石油天然气股份有限公司 Device for utilizing purified compressed air as natural gas compressor starting air source
KR20160095942A (en) * 2015-02-04 2016-08-12 정미경 refueling valve for cryogenic tank and seal changing method of thereof
CN106439152A (en) * 2016-08-31 2017-02-22 浙江声波管阀实业有限公司 PE (Poly Ethylene) ball valve with sewage discharge function
CN107575720A (en) * 2017-08-30 2018-01-12 中石化川气东送天然气管道有限公司 A kind of mesolow conduit aperture footpath tapping machine welding fixed equipment
CN207064816U (en) * 2017-08-24 2018-03-02 中石化川气东送天然气管道有限公司 A kind of natural gas valve blowdown air releasing silencer
CN207064955U (en) * 2017-08-25 2018-03-02 中石化川气东送天然气管道有限公司 A kind of outer arranging device of ball valve blowdown for Long-distance Transmission Pipeline valve chamber
CN207095802U (en) * 2017-08-30 2018-03-13 中石化川气东送天然气管道有限公司 The instrument that a kind of valve blowdown leak detection lengthens
CN207112058U (en) * 2017-08-11 2018-03-16 淄博沃泰斯石化设备有限公司 A kind of spiral closing device and its forced seal ball valve
CN207246648U (en) * 2017-06-16 2018-04-17 博思特能源装备(天津)股份有限公司 A kind of orifice throttle is depressured blowdown apparatus
CN209196550U (en) * 2018-11-30 2019-08-02 中石化川气东送天然气管道有限公司 A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87215570U (en) * 1987-11-11 1988-11-09 新安江贮藏设备厂 Semi-automatic energy-saving pollution-preventing type jig for inflating gas cylinder
CN2120248U (en) * 1991-11-20 1992-10-28 王宇 Flexible pipe filling device with high-pressure acetylene gas
CN1265186A (en) * 1997-07-28 2000-08-30 得士乐责任有限公司 Pipe coupling method and appts.
KR200263537Y1 (en) * 2001-07-23 2002-02-06 김원 ball valves specific for clamp and crimp
CN2522715Y (en) * 2002-01-29 2002-11-27 李治明 Safety special clamp for gas cylinder decompression device
AU2006297035A1 (en) * 2005-09-27 2007-04-05 Clearford Industries Inc. High performance sewer system
US20080260466A1 (en) * 2007-04-19 2008-10-23 David Alan Stone Apparatus for permitting access to the interior of a subterranean fluid-carrying pipe by way of an excavation which has uncovered the wall of the pipe
CN201216912Y (en) * 2008-06-20 2009-04-08 宝山钢铁股份有限公司 Apparatus for recycling natural gas residual after pollution discharge
CN102059676A (en) * 2010-12-22 2011-05-18 重庆渝通机械有限公司 Device and method for mounting water pipe connector on shell of thermostat
US20140034475A1 (en) * 2012-04-06 2014-02-06 Deka Products Limited Partnership Water Vapor Distillation Apparatus, Method and System
US8899254B1 (en) * 2012-06-19 2014-12-02 Yamsmos & Company, Inc. Valve removal tool and method
CN203330977U (en) * 2013-06-19 2013-12-11 广州市仨和机械设备有限公司 System special for dismounting and mounting electronic control pump nozzle
CN204312272U (en) * 2014-11-17 2015-05-06 中国石油天然气股份有限公司 Device for utilizing purified compressed air as natural gas compressor starting air source
KR20160095942A (en) * 2015-02-04 2016-08-12 정미경 refueling valve for cryogenic tank and seal changing method of thereof
CN106439152A (en) * 2016-08-31 2017-02-22 浙江声波管阀实业有限公司 PE (Poly Ethylene) ball valve with sewage discharge function
CN207246648U (en) * 2017-06-16 2018-04-17 博思特能源装备(天津)股份有限公司 A kind of orifice throttle is depressured blowdown apparatus
CN207112058U (en) * 2017-08-11 2018-03-16 淄博沃泰斯石化设备有限公司 A kind of spiral closing device and its forced seal ball valve
CN207064816U (en) * 2017-08-24 2018-03-02 中石化川气东送天然气管道有限公司 A kind of natural gas valve blowdown air releasing silencer
CN207064955U (en) * 2017-08-25 2018-03-02 中石化川气东送天然气管道有限公司 A kind of outer arranging device of ball valve blowdown for Long-distance Transmission Pipeline valve chamber
CN107575720A (en) * 2017-08-30 2018-01-12 中石化川气东送天然气管道有限公司 A kind of mesolow conduit aperture footpath tapping machine welding fixed equipment
CN207095802U (en) * 2017-08-30 2018-03-13 中石化川气东送天然气管道有限公司 The instrument that a kind of valve blowdown leak detection lengthens
CN209196550U (en) * 2018-11-30 2019-08-02 中石化川气东送天然气管道有限公司 A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
天津大学化学化工学院: "《注册化工工程师执业资格考 试专业考试复习教程》", 天津大学出版社, pages: 411 - 412 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112879709A (en) * 2021-01-27 2021-06-01 中国特种设备检测研究院 Quick plugging device and method for gas pipeline

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