WO2017049762A1 - 液化气罐减压保险阀 - Google Patents

液化气罐减压保险阀 Download PDF

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Publication number
WO2017049762A1
WO2017049762A1 PCT/CN2015/095871 CN2015095871W WO2017049762A1 WO 2017049762 A1 WO2017049762 A1 WO 2017049762A1 CN 2015095871 W CN2015095871 W CN 2015095871W WO 2017049762 A1 WO2017049762 A1 WO 2017049762A1
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WIPO (PCT)
Prior art keywords
valve
sleeve
valve cover
gas tank
magnetic core
Prior art date
Application number
PCT/CN2015/095871
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English (en)
French (fr)
Inventor
张清海
Original Assignee
山东博日明能源科技有限公司
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Publication of WO2017049762A1 publication Critical patent/WO2017049762A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/38Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0655Lift valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles

Definitions

  • the present invention relates to a liquefied gas tank pressure relief valve integrated with a liquefied gas tank decompression, manual, and temperature sensing closure
  • Liquefied petroleum gas tanks are currently commonly used in urban and rural residential buildings, some enterprises and institutions, and catering kitchens.
  • liquefied petroleum gas has the characteristics of flammable and explosive. In the event of an emergency, it takes several minutes to close the liquefied petroleum gas gas valve. After the fire occurs, people cannot approach the liquefied gas tank to close the valve, which causes the liquefied petroleum gas to leak. Explosion, every year caused by the improper use of liquefied gas tanks, the people's lives and property caused huge losses.
  • the invention installs a safety valve between the liquefied gas pressure reducing valve and the liquefied gas tank, combines the pressure reducing valve and the safety valve into an organism, invents a liquefied gas tank pressure reducing safety valve, and decompresses the liquefied petroleum gas with helium.
  • a safety valve between the liquefied gas pressure reducing valve and the liquefied gas tank, combines the pressure reducing valve and the safety valve into an organism, invents a liquefied gas tank pressure reducing safety valve, and decompresses the liquefied petroleum gas with helium.
  • liquefied petroleum gas is shut off immediately when it is lifted.
  • no power supply or external force is required to automatically cut off the supply of liquefied petroleum gas to prevent fire.
  • the manual reset will continue. Used, it has the triple function of decompression of liquefied petroleum gas, rapid shutdown and self-closing temperature sensing.
  • the object of the present invention is to provide a liquefied petroleum gas decompression, rapid shutdown and temperature-sensing self-closing liquefied gas decompression safety valve, which is used for decompressing liquefied petroleum gas to a gas cooker, and is immediately closed in case of emergency.
  • Liquefied petroleum gas when a fire occurs around the liquefied gas tank, the ambient temperature rises abnormally to 53 °C_61 °C, and the liquefied petroleum gas is shut off by itself without external force to avoid fire.
  • the technical solution used by the present invention is to use the temperature generated by the temperature sensing element to drive the valve cover to move upward to generate a repulsive force in the magnetic ring in the valve cover and the magnetic core in the sealing sleeve.
  • the valve cover and the valve body are magnetic cores, valve stems and sealing caps from top to bottom.
  • the magnetic core sleeve and the valve stem are riveted, and the sealing sleeve is from the top to the bottom.
  • the structure is: small spring, magnetic core sleeve, From the top to the bottom of the valve cover are: dust cap, adjusting washer, temperature sensing element, small circlip, gasket, large circlip, magnetic ring, gasket, sealing sleeve, wherein the sealing sleeve is screwed with the valve body, When the liquefied gas tank pressure relief valve is in normal working condition, the sealing cap and the valve body are branched. When the ambient temperature rises abnormally, the temperature sensing element is elongated, and the generated elastic force makes the valve cover and the magnetic ring as a whole.
  • the magnetic ring To the movement, the magnetic ring generates a downward repulsive force on the magnetic core in the magnetic core sleeve, forcing the magnetic core sleeve to move downward, so that the sealing cap installed at the bottom end of the magnetic core sleeve blocks the air outlet of the valve body and cuts off the liquefied petroleum gas.
  • the supply can also be effected by the upward movement of the manual lifting valve cover instead of the temperature sensing element.
  • the temperature sensing element as the temperature sensing device may be a warm pack, a memory metal, a bimetal or other temperature sensing material, and any material that is deformed under the action of temperature may be used, and the effect is the same.
  • the beneficial effects of the present invention are: In the event of an emergency, the liquefied petroleum gas supply is immediately turned off by the hand-held pull valve cover, and the ambient temperature around the liquefied gas tank is abnormally raised to 53 ° C _ 61 ° C ⁇ without power supply or The external force cuts off the supply of liquefied petroleum gas to prevent fires.
  • Figure Schematic diagram of a half-section of the present invention in a normal working state
  • valve body 1 valve body, 2 gasket, 3 sealing cap, 4 stem, 5 core, 6 core sleeve, 7 small spring, 8 sealing sleeve, 9 dust cap, 10 adjusting gasket, 11 Temperature sensing element, 12 small circlip, 13 spacer, 14 large circlip, 15 valve cover, 16 magnetic ring, 17 pressure reducing valve, 18 hand wheel.
  • the large circlip (14) is inside the valve cover (15), and the valve cover (15) is placed outside the sealing sleeve (8), and the small circlip (12) is placed outside the sealing sleeve (8), the valve Inside the cover (15), small circlip (12) fixed valve cover (15), gasket (13) outside the sealing sleeve (8), inside the valve cover (15), small circlip (12) upper part, temperature sensing element (11) Lower part, temperature sensing element (11) outside the sealing sleeve (8), inside the valve cover (15), upper part of the magnetic ring (16), adjusting the gasket (10) in the upper part of the sealing sleeve (8) and the valve cover ( 15) Threaded connection, the dust cap (9) is fastened to the valve cover (15), the hand wheel (18) is used for the liquefied gas tank connection, and the pressure reducing valve (17) is used for the liquefied petroleum gas decompression, when the external environment When the temperature rises abnormally, the liquefied gas tank pressure relief valve that can
  • the liquefied gas tank pressure relief valve of the invention is used for the safety protection of liquefied petroleum gas tanks for civil and public catering industries.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

液化气罐减压保险阀,属于阀门制造领域。它从结构上分为磁芯套(6)、密封套(8)、阀罩(15)和阀体(1),其中密封套与阀体为螺纹连接,液化气罐减压保险阀正常工作状态下,密封帽与阀体是分开的,当外界环境温度异常升高时,感温元件(11)伸长,产生的弹力将阀罩和磁环(16)整体向上做轴向运动,磁环对内套磁芯(5)产生向下的斥力,迫使磁芯套向下运动,致使安装在磁芯套底端的密封帽(3)堵住阀体的出气孔,切断了液化石油气的供给,也可用手动提拉阀罩向上运动代替感温元件具有同样效果。

Description

液化气罐减压保险阀
技术领域
[0001] 本发明涉及一种液化气罐减压、 手动、 感温关闭为一体的液化气罐减压保险阀
, 在液化气罐使用遇环境温度过高吋自力式切断液化石油气, 防止火灾的发生 , 属于燃气阀门制造领域。
背景技术
[0002] 液化石油气罐目前在城乡居民住宅、 部分企事业单位、 餐饮业厨房中普遍使用 。 但液化石油气具有易燃易爆的特性, 发生紧急情况吋关闭液化石油气气阀门 需要几分钟吋间, 在火灾发生后人们又不能接近液化气罐关闭阀门, 进而引起 液化石油气外泄起火爆炸, 每年因液化气罐使用不当发生的火灾给人民的生命 、 财产造成巨大的损失。 本发明在液化气减压阀与液化气罐之间加装保险阀, 将减压阀与保险阀结合成一个有机体, 发明了液化气罐减压保险阀, 使用吋对 液化石油气进行减压保证正常压力供给, 遇有紧急情况吋轻轻一抬即刻关断液 化石油气, 当厨房发生火情, 无需电源和外力自动切断液化石油气供给防止火 灾发生, 当确认火情解除吋人工复位继续使用, 它具有液化石油气减压、 快速 关闭和感温自闭的三重功能。
技术问题
[0003] 本发明的目的是提供一种新型液化石油气减压、 快速关闭和感温自闭的液化气 减压保险阀, 将液化石油气减压供给燃气灶具使用, 遇有紧急情况即刻关断液 化石油气, 当液化气罐周围发生火情吋环境温度异常升高到 53°C_61°C吋不借助 外力自行关断液化石油气避免火灾的发生。
问题的解决方案
技术解决方案
[0004] 为达到本发明的目的, 本发明使用的技术方案是利用感温元件在温度升高吋产 生的推力驱动阀罩向上移动使阀罩内的磁环与密封套里的磁芯产生斥力迫使密 封套内的磁芯向下运动关闭阀门切断燃气供给, 从结构上分为磁芯套、 密封套 、 阀罩和阀体, 磁芯套从上到下为磁芯、 阀杆、 密封帽, 其中磁芯套与阀杆铆 接, 密封套, 从上到下结构为: 小弹簧、 磁芯套, 阀罩从上到下为: 防尘帽、 调整垫片、 感温元件、 小卡簧、 垫片、 大卡簧、 磁环、 密封垫、 密封套, 其中 密封套与阀体为螺纹连接, 液化气罐减压保险阀正常工作状态下, 密封帽与阀 体是分幵的, 当外界环境温度异常升高吋, 感温元件伸长, 产生的弹力将阀罩 和磁环整体向上做轴向运动, 磁环对磁芯套内的磁芯产生向下的斥力, 迫使磁 芯套向下运动, 致使安装在磁芯套底端的密封帽堵住阀体的出气孔, 切断了液 化石油气的供给, 也可用手动提拉阀罩向上运动代替感温元件具有同样效果。
[0005] 作为感温器件的感温元件可以是温包、 记忆金属、 双金属片或其他的感温材料 , 只要是在温度的作用下发生形变的材料都可以使用, 其效果相同。
发明的有益效果
有益效果
[0006] 本发明的有益效果是: 遇有紧急情况吋用手提拉阀罩即刻关断液化石油气供给 , 当液化气罐周围环境温度异常升高到 53°C_61°C吋, 无需电源或借助外力切断 液化石油气供给, 防止火灾发生。
对附图的简要说明
附图说明
[0007] 下面结合附图和实施例对本发明进一步说明。
[0008] 图: 本发明在正常工作幵启状态下的半剖原理图
[0009] 图中: 1阀体, 2密封垫, 3密封帽, 4阀杆, 5磁芯, 6磁芯套, 7小弹簧, 8密封 套, 9防尘帽, 10调整垫片, 11感温元件, 12小卡簧, 13垫片, 14大卡簧, 15阀 罩, 16磁环, 17减压阀 ,18手轮。
实施该发明的最佳实施例
本发明的最佳实施方式
[0010] 首先将两块磁芯 (5) 放入磁芯套 (6) 内, 用力将阀杆 (4) 推入磁芯套 (6) 内, 讲磁芯上端顶紧, 阀杆 (4) 与磁芯套 (6) 铆合, 将密封帽 (3) 套在阀罩 (15) 底端, 小弹簧 (7) 放在密封套 (8) 内部, 在磁芯 (5) 上部, 密封垫 ( 2) 在阀体 (1) 内部, 密封套 (8) 下部密封套 (8) 和阀体 (1) 螺纹连接, 磁 环 (16) 在阀罩 (15) 内部下方, 密封套 (8) 外部, 大卡簧 (14) 在阀罩 (15 ) 内部卡簧槽, 将阀罩 (15) 套在密封套 (8) 外部, 将小卡簧 (12) 放在密封 套 (8) 外部, 阀罩 (15) 内部, 小卡簧 (12) 固定阀罩 (15) , 垫片 (13) 在 密封套 (8) 外部, 阀罩 (15) 内部, 小卡簧 (12) 上部, 感温元件 (11) 下部 , 感温元件 (11) 在密封套 (8) 外部, 阀罩 (15) 内部, 磁环 (16) 上部, 调 整垫片 (10) 在密封套 (8) 上部与阀罩 (15) 螺纹连接, 将防尘帽 (9) 与阀 罩 (15) 扣接, 手轮 (18) 用于液化气罐连接, 减压阀 (17) 用于液化石油气 减压, 当外界环境温度异常升高吋可以自行关闭的液化气罐减压保险阀全部组 装完毕。 本发明的实施方式
[0011] 使用吋, 首先用手轮 (18) 与液化气罐按照正确方式连接, 同吋确保液化气罐 减压保险阀处于幵启状态, 即按下阀罩 (15) , 密封帽 (3) 远离出气孔, 使阀 门处于通气状态, 当环境温度上升达到感温元件 (11) 设定温度吋感温元件 (1 1) 伸长将阀罩 (15) 和磁环 (16) 一起向上推, 阀罩 (15) 和磁环 (4) 在运 动过程中, 小弹簧 (7) 被压缩, 磁环 (16) 对磁芯 (5) 向上的斥力经过斥力 平衡临界点后变为对磁芯 (5) 向下的斥力, 小弹簧 (7) 释放, 迫使磁芯套 (6) 向下运动, 致使密封帽 (3)堵住阀体 (1) 的出气孔, 切断了液化石油气的供给。 工业实用性
[0012] 本发明液化气罐减压保险阀用于民用及公共餐饮业液化石油气罐安全保护。

Claims

权利要求书
[权利要求 1] 本发明使用的技术方案是: 首先将两块磁芯 (5) 放入磁芯套 (6) 内
, 用力将阀杆 (4) 推入磁芯套 (6) 内, 讲磁芯上端顶紧, 阀杆 (4 ) 与磁芯套 (6) 铆合, 将密封帽 (3) 套在阀罩 (15) 底端, 小弹簧 (7) 放在密封套 (8) 内部, 在磁芯 (5) 上部, 密封垫 (2) 在阀体 (1) 内部, 密封套 (8) 下部密封套 (8) 和阀体 (1) 螺纹连接, 磁 环 (16) 在阀罩 (15) 内部下方, 密封套 (8) 外部, 大卡簧 (14) 在阀罩 (15) 内部卡簧槽, 将阀罩 (15) 套在密封套 (8) 外部, 将 小卡簧 (12) 放在密封套 (8) 外部, 阀罩 (15) 内部, 小卡簧 (12 ) 固定阀罩 (15) , 垫片 (13) 在密封套 (8) 外部, 阀罩 (15) 内 部, 小卡簧 (12) 上部, 感温元件 (11) 下部, 感温元件 (11) 在密 封套 (8) 外部, 阀罩 (15) 内部, 磁环 (16) 上部, 调整垫片 (10 ) 在密封套 (8) 上部与阀罩 (15) 螺纹连接, 将防尘帽 (9) 与阀罩 (15) 扣接, 手轮 (18) 用于液化气罐连接, 减压阀 (17) 用于液化 石油气减压。
[权利要求 2] 根据权利要求 1所述的液化气罐减压保险阀, 其特性是: 具有液化石 油气减压、 快速关闭和感温自闭的功能。
PCT/CN2015/095871 2015-09-25 2015-11-28 液化气罐减压保险阀 WO2017049762A1 (zh)

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CN108953717A (zh) * 2018-09-26 2018-12-07 公安部天津消防研究所 一种液化气罐减压泄露保险阀及使用方法
CN109084077A (zh) * 2018-10-30 2018-12-25 上海喆焰能源科技有限公司 一种液化气温控安全阀

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CN104006197A (zh) * 2013-02-26 2014-08-27 全龙浩 防误动的自动无源消防阀

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