WO2014032525A1 - Soupape de sureté à faibles fuites et hautement étanche - Google Patents

Soupape de sureté à faibles fuites et hautement étanche Download PDF

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Publication number
WO2014032525A1
WO2014032525A1 PCT/CN2013/081498 CN2013081498W WO2014032525A1 WO 2014032525 A1 WO2014032525 A1 WO 2014032525A1 CN 2013081498 W CN2013081498 W CN 2013081498W WO 2014032525 A1 WO2014032525 A1 WO 2014032525A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve core
joint
low leakage
safety valve
Prior art date
Application number
PCT/CN2013/081498
Other languages
English (en)
Chinese (zh)
Inventor
杜增虎
张小杰
王雯雯
张强利
Original Assignee
西安新思化工设备制造有限公司
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 西安新思化工设备制造有限公司 filed Critical 西安新思化工设备制造有限公司
Publication of WO2014032525A1 publication Critical patent/WO2014032525A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • 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
    • F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
    • F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
    • F16K17/162—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs of the non reverse-buckling-type
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/62—Pipe-line systems dry, i.e. empty of extinguishing material when not in use
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/64—Pipe-line systems pressurised
    • A62C35/645—Pipe-line systems pressurised with compressed gas in pipework

Definitions

  • the present invention relates to the field of fire protection, and in particular to a low venting and high sealing safety valve for use in a gas fire extinguishing system.
  • a low venting high sealing valve to prevent a slight leak of gas in the gas extinguishing system from accumulating in the pipeline and causing a false start
  • a safety valve to prevent the gas fire extinguishing system from being sprayed due to work
  • the low-leakage high-sealing valve and the safety valve are two separate components, which not only increases the number of components, but also reduces the efficiency of the pipe network assembly, and becomes one of the bottlenecks for reducing manufacturing costs and reducing the processing cycle.
  • the utility model combines the functions of the low leakage high sealing valve and the safety valve on one carrier, and provides a low leakage height with novel design, simple structure and reliable performance. Seal the safety valve.
  • the utility model relates to a low leakage high sealing safety valve, which comprises a joint 1, an elastic member 3, a valve core and a valve body 9.
  • the upper end of the valve body 9 is provided with an internal thread, and the joint 1 is screwed with the internal thread, and the valve core comprises
  • the first valve body 5 and the second valve body 8 are connected to each other, and the first valve body 5 and the second valve body 8 are centrally opened with a central through hole 10 penetrating therethrough.
  • a rupture diaphragm 7 is further disposed between the first spool 5 and the second spool 8 to block the through hole.
  • the rupture film 7 is provided with a pressure ring 6 for fixing the seal.
  • the elastic member 3 is a spring disposed between the joint 1 and the first spool 5. Further, a first gasket 2 is disposed between the joint 1 and the valve body 9; a second gasket 4 is disposed between the joint 1 and the first valve core 5.
  • the utility model is improved on the basis of the ordinary low leakage high sealing valve, and the valve core is divided into the first valve
  • the core and the second valve core are both parts, and a through hole is formed in the center of the valve core to increase the rupture diaphragm, thereby functioning to block the through hole.
  • the working principle of the device of the utility model is the same as that of the ordinary low-leakage high-sealing valve: when in the low-pressure relief state, the spool is equivalent to a piston nozzle, and the valve body outlet end joint is not sealed.
  • the inlet pressure of the valve body reaches a certain level, the thrust is generated to the spool, the spool is moved to the outlet end, and the gas end joint is squeezed to achieve the sealing function.
  • the utility model has the advantages of novel design, simple structure and reliable performance, and the functions of the gas low pressure high sealing valve and the safety relief valve are integrated, and the structure of the gas fire extinguishing system equipment is optimized, and the parts are reduced.
  • the quantity makes the pipe network assembly efficiency increase and the equipment cost decreases.
  • FIG. 1 is a schematic view of the structure of the present invention.
  • a low-leakage high-sealing safety valve as shown in FIG. 1 includes a joint 1, an elastic member 3, a valve core and a valve body 9.
  • the upper end of the valve body 9 is provided with an internal thread, and the joint 1 is screwed to the internal thread.
  • the elastic member 3 is a spring disposed between the joint 1 and the first valve body 5.
  • the valve core includes a first valve core 5 and a second valve core 8 connected to each other, and the first valve core 5 and the second valve core 8 are centrally opened with a central through hole 10 penetrating through the center; wherein the first valve core
  • the connection between the 5 and the second spool 8 may take various forms, such as: screwing, screwing, welding, etc., as long as the first spool 5 and the second spool 8 are integrally connected.
  • a rupture diaphragm 7 is also disposed between the first spool 5 and the second spool 8 to block the through hole.
  • the rupture disc 7 is provided with a pressure ring 6 for fixing the seal.
  • a first gasket 2 is disposed between the joint 1 and the valve body 9; a second gasket 4 is disposed between the joint 1 and the first valve core 5.
  • the device of the present invention has the following three working states:

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Safety Valves (AREA)

Abstract

L'invention concerne une soupape de sureté à faibles fuites et hautement étanche, la soupape de sureté comprenant un connecteur (1), un composant élastique (3), des noyaux de soupape et un corps de soupape (9); l'extrémité supérieure du corps de soupape (9) étant pourvu d'un filetage interne, le connecteur (1) étant raccordé par filetage avec le filetage interne, et les noyaux de soupape comprenant un premier noyau de soupape (5) et un second noyau de soupape (8) raccordé l'un avec l'autre. La soupape de sureté se caractérise en ce que des trous traversants centraux (10), qui sont en communication les uns avec les autres, sont agencés au centre du premier noyau de soupape (5) et du second noyau de soupape (8); et une membrane de sureté (7) et une bague de pression (6) sont également ménagées entre le premier noyau de soupape (5) et le deuxième noyau de soupape (8).
PCT/CN2013/081498 2012-08-29 2013-08-14 Soupape de sureté à faibles fuites et hautement étanche WO2014032525A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201220434251.7 2012-08-29
CN 201220434251 CN202751723U (zh) 2012-08-29 2012-08-29 一种低泄高封安全阀

Publications (1)

Publication Number Publication Date
WO2014032525A1 true WO2014032525A1 (fr) 2014-03-06

Family

ID=47730921

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/081498 WO2014032525A1 (fr) 2012-08-29 2013-08-14 Soupape de sureté à faibles fuites et hautement étanche

Country Status (2)

Country Link
CN (1) CN202751723U (fr)
WO (1) WO2014032525A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202751723U (zh) * 2012-08-29 2013-02-27 西安新思化工设备制造有限公司 一种低泄高封安全阀
CN105972276B (zh) * 2016-08-07 2018-11-27 西安航空学院 一种排气泄压安全阀
CN106949274A (zh) * 2017-04-20 2017-07-14 西安新竹防务科技有限公司 安全泄压阀
CN108328135A (zh) * 2018-03-23 2018-07-27 上海威泽尔机械设备制造有限公司 一种能在线清洗的粉体储料仓流化器
CN108771814A (zh) * 2018-08-11 2018-11-09 湖南安民科技有限责任公司 撞击式感温玻璃球启动器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160047A5 (fr) * 1971-11-08 1973-06-22 Kidde & Co Walter
CN2638773Y (zh) * 2003-06-30 2004-09-08 逄春盛 瓶头阀
CN2733155Y (zh) * 2004-05-11 2005-10-12 西安新竹防灾救生设备有限公司 压力容器阀
EP2048418A2 (fr) * 2007-10-11 2009-04-15 Fiorentini Minireg S.p.A. Électrorobinet de sécurité
JP2011094777A (ja) * 2009-11-02 2011-05-12 Chiyoda Seiki:Kk 乾式安全器
CN202327272U (zh) * 2011-10-24 2012-07-11 上海磊诺工业气体有限公司 明杆式低泄高封阀
CN202751723U (zh) * 2012-08-29 2013-02-27 西安新思化工设备制造有限公司 一种低泄高封安全阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160047A5 (fr) * 1971-11-08 1973-06-22 Kidde & Co Walter
CN2638773Y (zh) * 2003-06-30 2004-09-08 逄春盛 瓶头阀
CN2733155Y (zh) * 2004-05-11 2005-10-12 西安新竹防灾救生设备有限公司 压力容器阀
EP2048418A2 (fr) * 2007-10-11 2009-04-15 Fiorentini Minireg S.p.A. Électrorobinet de sécurité
JP2011094777A (ja) * 2009-11-02 2011-05-12 Chiyoda Seiki:Kk 乾式安全器
CN202327272U (zh) * 2011-10-24 2012-07-11 上海磊诺工业气体有限公司 明杆式低泄高封阀
CN202751723U (zh) * 2012-08-29 2013-02-27 西安新思化工设备制造有限公司 一种低泄高封安全阀

Also Published As

Publication number Publication date
CN202751723U (zh) 2013-02-27

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