WO2007045118A1 - Dispositif d’evacuation de gaz automatique pour machine a bromure de lithium et son procede - Google Patents

Dispositif d’evacuation de gaz automatique pour machine a bromure de lithium et son procede Download PDF

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Publication number
WO2007045118A1
WO2007045118A1 PCT/CN2005/001698 CN2005001698W WO2007045118A1 WO 2007045118 A1 WO2007045118 A1 WO 2007045118A1 CN 2005001698 W CN2005001698 W CN 2005001698W WO 2007045118 A1 WO2007045118 A1 WO 2007045118A1
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Prior art keywords
gas
valve
chamber
liquid
air
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PCT/CN2005/001698
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English (en)
French (fr)
Inventor
Yue Zhang
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Yue Zhang
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Application filed by Yue Zhang filed Critical Yue Zhang
Priority to KR1020087009135A priority Critical patent/KR100978646B1/ko
Priority to PCT/CN2005/001698 priority patent/WO2007045118A1/zh
Priority to EP05802024.9A priority patent/EP1950512A4/en
Priority to JP2008535869A priority patent/JP5161783B2/ja
Publication of WO2007045118A1 publication Critical patent/WO2007045118A1/zh
Priority to US12/103,827 priority patent/US7765830B2/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/04—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
    • F25B43/046—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases for sorption type systems

Definitions

  • the invention relates to an automatic exhaust device and method, in particular to a vacuumless pump automatic exhaust device and method for a lithium bromide unit.
  • the lithium bromide unit can have an automatic air pumping device, when the internal gas is discharged to the atmosphere, the palladium tube or the mechanical vacuum pump is often used, and the palladium tube is a precious metal, which is expensive, and can only pump hydrogen gas, and cannot pump other gases. Failure to avoid cooling capacity and corrosion during leakage.
  • the vacuum pump will extract the moisture of the solution in the unit as steam. The water vapor is liquefied in the vacuum pump to emulsify the vacuum pump oil. If there is no oil vacuum pump, the liquid hammer will cause the pumping speed to drop, the ultimate pressure rises, and even the vacuum pump will rust and card. Dead and the motor burned.
  • the technical problem to be solved by the present invention is: to provide a lithium bromide unit that does not require a palladium tube or a vacuum pump, can also automatically discharge internal gas to the atmosphere, effectively compresses the unit structure, and increases operational reliability, in view of the above-mentioned deficiencies of the prior art. Vacuumless pump automatic exhaust device and method.
  • the vacuumless pump automatic exhausting device of the lithium bromide unit comprises an automatic air extracting device, a pumping chamber, a gas-liquid separation chamber and a gas storage chamber, and the automatic air pumping device does not pass through the air intake tube.
  • the condensed gas is introduced into the pumping chamber, and the pumping chamber is then injected into the gas-liquid separation chamber through the exhaust pipe.
  • the gas in the gas-liquid separation chamber is connected to the gas storage chamber by the gas-conducting and liquid-returning tubes, and the gas-liquid separation chamber solution is separated. Then returning to the inside of the unit through the pipeline, the invention provides a valve in the solution pump outlet pipe of the lithium bromide unit
  • the valve group disposed at the top of the air storage chamber includes a rubber ball liquid-repellent exhaust self-sealing valve and a spring one-way exhaust valve, and a solenoid valve or an electric valve can also be added, and the rubber ball is blocked from the valve body of the closed valve.
  • the cone surface and the lower cone surface have free suspension rubber balls in the middle, and the density of the rubber balls is less than the solution.
  • the invention utilizes the existing solution and solution pump in the unit, and changes the flow direction of the solution through the action of the valve, so that the lithium bromide unit is automatically exhausted, no vacuum pump or palladium tube is needed, the unit structure is enlarged and the operation reliability is increased. It avoids the defects that the palladium tube is expensive, can only pump hydrogen, can not pump other gases, the leakage capacity of the unit leaks and corrosion, and avoids the use of vacuum pump oil emulsification or liquid hammer, pumping speed drop, ultimate pressure rise, pump corrosion, The invention effectively simplifies the structure of the unit, increases the operational reliability of the unit, and improves the technical performance of the unit.
  • FIG. 2 is a schematic view showing the structure of a rubber ball liquid-repellent exhaust self-sealing valve according to the present invention
  • the vacuumless pump automatic exhaust device of the lithium bromide unit includes an automatic pumping device.
  • the air pumping chamber, the gas-liquid separation chamber, the air storage chamber, the automatic air suction device introduces the non-condensable gas in the unit into the pumping chamber through the air inlet pipe 1, and the pumping chamber is ejector through the air pumping tube 2 to the gas and liquid through the air pumping tube
  • the gas in the gas-liquid separation chamber is connected to the gas storage chamber by the gas-conducting and liquid-returning tubes 3, and the gas-liquid separation chamber solution is returned to the inside of the unit through the pipeline 4, and the gas is required to be discharged into the atmosphere when the gas is accumulated in the gas storage chamber.
  • the invention provides a valve F1 in the outlet pipe of the solution pump 5 of the lithium bromide unit, and an exhaust liquid inlet pipe 6 is taken between the solution pump 5 and the valve F1 to the air storage chamber, and a valve is arranged between the exhaust liquid inlet pipe 6.
  • F2 a gas guiding and returning liquid pipe 3 between the gas storage chamber and the gas-liquid separation chamber is provided with a valve F3, and a valve group is arranged at the top of the gas storage chamber.
  • the valve group includes a rubber ball liquid venting self-sealing valve 7 and a spring one-way venting valve 8, and can also increase the force ⁇ solenoid valve or electric valve.
  • the rubber ball is vented from the closed valve.
  • the valve body 12 has an upper tapered surface 9 and a lower tapered surface 10, and a free suspension rubber ball 11 in the middle, and the density of the rubber ball 11 is smaller than the solution.
  • the spring one-way exhaust valve 8 closes the valve by the spring pressure. When the pressure inside the valve exceeds the spring pressure, the valve automatically opens, otherwise it closes.
  • No vacuum pump automatic exhaust method When there is more gas in the air storage chamber, close the valves Fl, F3, open the valve F2 and the solution pump 5, press the solution into the air storage chamber, the gas in the storage chamber is compressed, and the compressed gas pressure When a certain amount of atmospheric pressure is exceeded, the spring one-way exhaust valve 8 is opened, and the gas is automatically discharged. When the gas is exhausted, the solution vents the rubber ball from the rubber ball of the closed valve to form a seal with the upper tapered surface 9. , to prevent the solution from squirting.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Description

溴化锂机组的无真空泵自动排气装置及方法
技术领域：
本发明涉及一种自动排气装置及方法，具体涉及一种溴化锂机组的无真空 泵自动排气装置及方法。
背景技术：
溴化锂机组虽然可具有自动抽气装置， 但将内部气体排放至大气时， 多采 用钯管或机械真空泵来实现， 而钯管为贵金属， 价格昂贵， 还只能抽氢气， 不 能抽其它气体， 机组泄漏时不能避免制冷能力下降和遭受腐蚀。 真空泵则会将 机组中溶液的水分以蒸汽形式抽出， 这些水蒸汽在真空泵中液化， 使真空泵油 乳化， 如果无油真空泵则液击， 导致抽速下降， 极限压力上升， 甚至使真空泵 锈蚀、 卡死和电机烧毁。
发明内容：
本发明所要解决的技术问题是： 针对上述现有技术的不足， 而提供一种无 需钯管或真空泵、 同样能够实现内部气体自动排放至大气、 有效筒化机组结构 和增加运行可靠性的溴化锂机组的无真空泵自动排气装置及方法。
本发明采用的技术方案是：这种溴化锂机组的无真空泵自动排气装置包括 有自动抽气装置、 抽气室 、 气液分离室、 贮气室， 自动抽气装置通过进气管 将机组内不凝性气体引入抽气室， 抽气室再通过抽气管将其引射到气液分离 室， 气液分离室内气体由导气、 回液两用管连接进入贮气室， 气液分离室内溶 液则通过管道返回机组内部，本发明在溴化锂机组的溶液泵出口管道设置阀门
F1 ,在溶液泵和阀门 F1间引出排气进液管到贮气室，排气进液管间设阀门 F2 , 在贮气室和气液分离室间的导气、回液两用管设置阀门 F3，贮气室顶端设置阀 门组。
贮气室顶端设置的阀门组包括胶球阻液排气自密闭阀和弹簧单向排气阀， 并且还可以增加电磁阀或电动阀，胶球阻液排气自密闭阀的阀体具有上锥面和 下锥面， 中间有自由悬浮胶球， 胶球密度小于溶液。
当贮气室中气体较多时， 关闭阀门 Fl、 F3， 打开阀门 F2 , 启动溶液泵， 将溶液压入贮气室， 贮气室内气体被压缩， 超过大气压一定量， 弹簧单向排气 阀被顶开，气体自动排出； 当气体排尽时，胶球阻液排气自密闭阀的胶球上浮， 与上锥面形成密封， 防止溶液喷出。 若有气体进入月交球阻液排气自密闭阀， 溶 液被压回贮气室， 胶球下降与下锥面形成密封， 防止气体进入贮气室， 完成排 气过程； 关闭阀门 F2， 打开阀门 Fl、 F3, 贮气室中溶液因重力回落形成真空 室， 可再贮气， 便于自动抽气装置重新开始抽气。
本发明利用机组中已有的溶液和溶液泵， 通过阀门动作， 改变溶液流动方 向， 而使溴化锂机组自动排气， 不需要真空泵或钯管， 筒化机组结构和增加运 行可靠性。 避免了采用钯管价格昂贵、 只能抽氢气、 不能抽其他气体、 机组泄 漏制冷能力下降和腐蚀的缺陷，也避免了采用真空泵油乳化或液击、抽速下降、 极限压力上升、 泵锈蚀、 卡死、 烧毁电机等问题， 本发明有效简化了机组结构 和增加了机组运行可靠性， 提高了机组技术性能。
附图说明：
图 1为本发明结构示意图
图 2为本发明胶球阻液排气自密闭阀结构示意图
具体实施方式：
1.参见图 1， 这种溴化锂机组的无真空泵自动排气装置包括有自动抽气装 置、 抽气室 、 气液分离室、 贮气室， 自动抽气装置通过进气管 1将机组内不 凝性气体引入抽气室， 抽气室通过抽气管 2用液体流引射到气液分离室， 气液 分离室内气体由导气、 回液两用管 3连接进入贮气室， 气液分离室内溶液则通 过管道 4返回机组内部， 贮气室中积累气体较多时需要排入大气。
2.参见图 1 , 本发明在溴化锂机组的溶液泵 5出口管道设置阀门 F1 , 在溶 液泵 5和阀门 F1间引出排气进液管 6到贮气室， 排气进液管 6间设阀门 F2 , 在贮气室和气液分离室间的导气、回液两用管 3设置阀门 F3,贮气室顶端设置 阀门组。 阀门组包括胶球阻液排气自密闭阀 7和弹簧单向排气阀 8， 并且还可 以增力 σ电磁阀或电动阀。
3.参见图 2 , 胶球阻液排气自密闭阀 Ί的阀体 12具有上锥面 9和下锥面 10， 中间有自由悬浮胶球 11， 胶球 11密度小于溶液。 弹簧单向排气阀 8依靠 弹簧压力将阀关闭， 当阀内压力超过弹簧压力时， 阀自动打开， 否则关闭。
4.无真空泵自动排气方法： 当贮气室中气体较多时， 关闭阀门 Fl、 F3 , 打 开阀门 F2和溶液泵 5， 将溶液压入贮气室， 贮气室内气体被压缩， 压缩气体气 压超过大气压一定量时， 弹簧单向排气阀 8被顶开， 气体自动排出， 当气体排 尽时， 溶液将胶球阻液排气自密闭阀的胶球上浮， 与上锥面 9形成密封， 防止 溶液喷出。 若外部有气体进入胶球阻液排气自密闭阀时， 溶液被压回贮气室， 胶球下降与下锥面 10形成密封， 防止气体进入贮气室， 即完成排气过程； 关 闭阀门 F2， 打开阀门 Fl、 F3 , 贮气室中溶液因重力回落形成真空室， 可再贮 气， 便于自动抽气装置重新开始抽气。

Claims

权 利 要 求
1.一种溴化锂机组的无真空泵自动排气装置， 包^有自动抽气装置、 抽气 室 、 气液分离室、 贮气室， 自动抽气装置通过进气管将机组内不凝性气体引入 抽气室， 抽气室再通过抽气管将其引射到气液分离室， 气液分离室内气体由导 气、 回液两用管连接进入贮气室， 气液分离室内溶液则通过管道返回机组内部， 其特征在于在溴化锂机组的溶液泵出口管道设置阀门 F1 ,在溶液泵和阀门 F1间 引出排气进液管到贮气室， 排气进液管间设阀门 F2 , 在贮气室和气液分离室间 的导气、 回液两用管设置阀门 F3， 贮气室顶端设置阀门组。
2.根据权利要求 1 所述的溴化锂机组的无真空泵自动排气装置， 其特征在 于贮气室顶端设置的阀门组包括胶球阻液排气自密闭阀和弹簧单向排气阀， 或 增加电磁阀或电动阀， 胶球阻液排气自密闭阀的阀体具有上锥面和下锥面， 中 间有自由悬浮胶球， 胶球密度小于溶液。
3.根据权利要求 1 所述的溴化锂机组的无真空泵自动排气方法， 其特征在 于当贮气室中气体较多时， 关闭阀门 Fl、 F3, 打开阀门 F2 , 启动溶液泵， 将溶 液压入贮气室， 贮气室内气体被压缩， 超过大气压一定量， 弹簧单向排气阀被 顶开， 气体自动排出； 当气体排尽时， 胶球阻液排气自密闭阀的胶球上浮， 与 上锥面形成密封， 防止溶液喷出， 若有气体进入胶球阻液排气自密闭阀， 溶液 被压回贮气室， 胶球下降与下锥面形成密封， 防止气体进入贮气室， 完成排气 过程； 关闭阀门 F2 , 打开阀门 Fl、 F3, 贮气室中溶液因重力回落形成真空室， 可再贮气， 便于自动抽气装置重新开始抽气。
PCT/CN2005/001698 2005-10-17 2005-10-17 Dispositif d’evacuation de gaz automatique pour machine a bromure de lithium et son procede WO2007045118A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020087009135A KR100978646B1 (ko) 2005-10-17 2005-10-17 리튬 브로마이드 기계의 무진공 펌프 자동 배기장치 및방법
PCT/CN2005/001698 WO2007045118A1 (fr) 2005-10-17 2005-10-17 Dispositif d’evacuation de gaz automatique pour machine a bromure de lithium et son procede
EP05802024.9A EP1950512A4 (en) 2005-10-17 2005-10-17 AUTOMATIC GAS DRAIN DEVICE FOR LITHIUM BROMIDE MACHINE AND METHOD THEREOF
JP2008535869A JP5161783B2 (ja) 2005-10-17 2005-10-17 臭化リチウム装置を有し真空ポンプを有しない自動排気装置及びその方法
US12/103,827 US7765830B2 (en) 2005-10-17 2008-04-16 Automatic discharge device for lithium bromide absorption chillers and methods of using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2005/001698 WO2007045118A1 (fr) 2005-10-17 2005-10-17 Dispositif d’evacuation de gaz automatique pour machine a bromure de lithium et son procede

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/103,827 Continuation US7765830B2 (en) 2005-10-17 2008-04-16 Automatic discharge device for lithium bromide absorption chillers and methods of using the same

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Publication Number Publication Date
WO2007045118A1 true WO2007045118A1 (fr) 2007-04-26

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US (1) US7765830B2 (zh)
EP (1) EP1950512A4 (zh)
JP (1) JP5161783B2 (zh)
KR (1) KR100978646B1 (zh)
WO (1) WO2007045118A1 (zh)

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CN109958611A (zh) * 2017-12-14 2019-07-02 黄海峰 一种抽吸真空负压状态下的液体的方法

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EP1950512A1 (en) 2008-07-30
KR20080074100A (ko) 2008-08-12
JP2009511855A (ja) 2009-03-19
KR100978646B1 (ko) 2010-08-27
US7765830B2 (en) 2010-08-03

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