CN105987277A - Small liquid oxygen gas station - Google Patents

Small liquid oxygen gas station Download PDF

Info

Publication number
CN105987277A
CN105987277A CN201610531216.XA CN201610531216A CN105987277A CN 105987277 A CN105987277 A CN 105987277A CN 201610531216 A CN201610531216 A CN 201610531216A CN 105987277 A CN105987277 A CN 105987277A
Authority
CN
China
Prior art keywords
liquid oxygen
storage tank
valve
liquid
pump
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
CN201610531216.XA
Other languages
Chinese (zh)
Inventor
朱倩
胡杰
黄之杰
吴潇洁
李康
胡宗顺
王余奎
刘慎洋
田磊
王力
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.)
Air Force Service College of PLA
Original Assignee
Air Force Service College of PLA
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 Air Force Service College of PLA filed Critical Air Force Service College of PLA
Priority to CN201610531216.XA priority Critical patent/CN105987277A/en
Publication of CN105987277A publication Critical patent/CN105987277A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02Discharging liquefied gases
    • F17C7/04Discharging liquefied gases with change of state, e.g. vaporisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/02Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/04Arrangement or mounting of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00Handled fluid, in particular type of fluid
    • F17C2221/01Pure fluids
    • F17C2221/011Oxygen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107Single phase
    • F17C2223/013Single phase liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107Single phase
    • F17C2225/0123Single phase gaseous, e.g. CNG, GNC

Landscapes

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

Abstract

The invention discloses a small liquid oxygen gas station. The gas station comprises a liquid oxygen storage tank, a liquid oxygen pump and an oxygen filling platform, wherein the liquid oxygen storage tank is of a double-layer structure, a hollow structure is formed between the inner wall and the outer wall, a safety valve I, a pressure gauge I and a vacuum plug are arranged on the liquid oxygen storage tank, the safety valve I and the pressure gauge I are respectively arranged on the surface of the outer wall of the liquid oxygen storage tank, and the inner wall of the liquid oxygen storage tank is connected with external liquid oxygen by virtue of a storage tank liquid inlet valve; an exhaust valve, a liquid inlet valve and an outlet valve are arranged on the liquid oxygen pump, the liquid oxygen storage tank is connected with the liquid oxygen pump by virtue of the liquid oxygen pump liquid inlet valve, the liquid oxygen pump is connected with the oxygen filling platform by virtue of a liquid oxygen outlet valve, and an air temperature-type gasifier is arranged between the outlet valve and the oxygen filling platform; the oxygen filling platform comprises a safety valve II, a pressure gauge II, a control valve and an air inflation connector, and the safety valve II and the pressure gauge II are arranged between the air temperature-type gasifier and the control valve. The small liquid oxygen gas station can recycle cold energy and also can improve pressure in the liquid oxygen storage tank, liquid oxygen in the storage tank can conveniently enter the liquid oxygen pump, and the working efficiency of the liquid oxygen gas station can be effectively improved.

Description

A kind of small-sized liquid oxygen gas station
Technical field
The present invention relates to a kind of small-sized liquid oxygen gas station, belong to hydraulic oil pump apparatus field.
Background technology
The liquid oxygen i.e. liquid condition of oxygen, is caerulescent liquid, and its Main physical character is: usual air pressure lower density is 1.141g/ cm3 , freezing point is 50.5K, and boiling point is 90.188K, and overall expansion ratio is up to 800: 1, is widely used in industrial production and military field.Owing to being limited by the aspect such as physics and chemical property, liquid oxygen is generally stored in liquid oxygen storage tank, before entering Oxygen charging system, need to first pass through liquid oxygen pump and be forced into about 15MPa, enter air-bathing gasifier and outside air heat exchange, liquid oxygen is made to be become the gaseous oxygen close to normal temperature from the low temperature liquid of-180 DEG C, subsequently into gas oxygen charging system.
In use, when Level of liquid oxygen is relatively low, liquid oxygen relies on self gravitation to be difficult to enter smoothly liquid oxygen pump, causes the operating efficiency of liquid oxygen gas station to reduce in existing liquid oxygen gas station.
Content of the invention
The problem existing for above-mentioned prior art, the present invention provides a kind of small-sized liquid oxygen gas station, the gas producing during liquid oxygen supercharging is returned liquid oxygen storage tank, both cold can have been reclaimed, pressure in liquid oxygen storage tank can be promoted again, the liquid oxygen being easy in storage tank enters liquid oxygen pump, can effectively improve the operating efficiency of liquid oxygen gas station.
To achieve these goals, the one small-sized liquid oxygen gas station that the present invention uses, including the liquid oxygen pump that is connected with liquid oxygen storage tank of liquid oxygen storage tank and the oxygen filling platform being connected with liquid oxygen pump;
Described liquid oxygen storage tank uses double-decker, including outer wall and inwall, it is hollow structure between described inside and outside wall, liquid oxygen storage tank is provided with safety valve the first, Pressure gauge one and vacuum stopper, described safety valve one and Pressure gauge one are separately positioned on the outer wall surface of liquid oxygen storage tank, and connect with the inwall of liquid oxygen storage tank, the inwall of described liquid oxygen storage tank is connected with outside liquid oxygen by storage tank liquid feed valve;
Described liquid oxygen pump is provided with liquid oxygen pump air bleeding valve, liquid oxygen pump liquid feed valve and liquid oxygen pump outlet valve, described liquid oxygen storage tank is connected with liquid oxygen pump by liquid oxygen pump liquid feed valve, described liquid oxygen pump is connected with oxygen filling platform by liquid oxygen pump outlet valve, is provided with air-heating type gasifier between described liquid oxygen pump outlet valve and oxygen filling platform;
Described oxygen filling platform includes some control valves that safety valve the 2nd, Pressure gauge two is connected and the some gas-charging connections being connected with control valve with air-heating type gasifier, and described safety valve the 2nd, Pressure gauge two is arranged between air-heating type gasifier and control valve.
As improvement, the liquid oxygen pump air bleeding valve on described liquid oxygen pump connects with the inwall of liquid oxygen storage tank.
As improvement, the hollow structure that described vacuum stopper is arranged between the outer wall surface of liquid oxygen storage tank, and vacuum stopper with inside and outside wall connects.
As improvement, described vacuum stopper is arranged on bottom liquid oxygen storage tank.
As improvement, described control valve includes control valve one and the control valve two being in parallel, and described control valve one and control valve two are connected with four gas-charging connections respectively.
Compared with prior art, the gas producing during liquid oxygen supercharging is returned liquid oxygen storage tank by this small-sized liquid oxygen gas station, both can reclaim cold, and can promote again pressure in liquid oxygen storage tank, the liquid oxygen being easy in storage tank enters liquid oxygen pump, can effectively improve the operating efficiency of liquid oxygen gas station.
Brief description
Fig. 1 is the structural representation of the present invention;
In figure: the 1st, safety valve one, the 2nd, Pressure gauge one, the 3rd, liquid oxygen storage tank, 4th, liquid oxygen pump air bleeding valve, the 5th, storage tank liquid feed valve, the 6th, air-heating type gasifier, 7th, safety valve two, the 8th, Pressure gauge two, the 9th, gas-charging connection, 10th, control valve one, 11st, control valve two, the 12nd, liquid oxygen pump outlet valve, the 13rd, liquid oxygen pump, 14th, liquid oxygen pump liquid feed valve, the 15th, vacuum stopper.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, the present invention is further elaborated.It however, it should be understood that specific embodiment described herein is only in order to explain the present invention, is not limited to the scope of the present invention.
As it is shown in figure 1, a kind of small-sized liquid oxygen gas station, including the liquid oxygen pump 13 that is connected with liquid oxygen storage tank 3 of liquid oxygen storage tank 3 and the oxygen filling platform being connected with liquid oxygen pump 13;
Described liquid oxygen storage tank 3 uses double-decker, including outer wall and inwall, it is hollow structure between described inside and outside wall, liquid oxygen storage tank 3 is provided with safety valve 1, Pressure gauge 1 and vacuum stopper 15, described safety valve 1 and Pressure gauge 1 are separately positioned on the outer wall surface of liquid oxygen storage tank 3, and connect with the inwall of liquid oxygen storage tank 3, the inwall of described liquid oxygen storage tank 3 is connected with outside liquid oxygen by storage tank liquid feed valve 5;
Described liquid oxygen pump 13 is provided with liquid oxygen pump air bleeding valve the 4th, liquid oxygen pump liquid feed valve 14 and liquid oxygen pump outlet valve 12, described liquid oxygen storage tank 3 is connected with liquid oxygen pump 13 by liquid oxygen pump liquid feed valve 14, described liquid oxygen pump 13 is connected with oxygen filling platform by liquid oxygen pump outlet valve 12, is provided with air-heating type gasifier 6 between described liquid oxygen pump outlet valve 12 and oxygen filling platform;
Described oxygen filling platform includes some control valves that safety valve 27, Pressure gauge 28 be connected and the some gas-charging connections 9 being connected with control valve with air-heating type gasifier 6, and described safety valve 27, Pressure gauge 28 are arranged between air-heating type gasifier 6 and control valve.
As the improvement of embodiment, the liquid oxygen pump air bleeding valve 4 on described liquid oxygen pump 13 connects with the inwall of liquid oxygen storage tank 3.
As the improvement of embodiment, the hollow structure that described vacuum stopper 15 is arranged between the outer wall surface of liquid oxygen storage tank 3, and vacuum stopper 15 with inside and outside wall connects.
As the improvement of embodiment, described vacuum stopper 15 is arranged on bottom liquid oxygen storage tank 3.
As the improvement of embodiment, described control valve includes control valve 1 and the control valve 2 11 being in parallel, and described control valve 1 and control valve 2 11 are connected with four gas-charging connections 9 respectively, and each gas-charging connection 9 is in parallel mutually.
During use, storing liquid oxygen in liquid oxygen storage tank 3, liquid oxygen storage tank 3 outer wall surface is provided with Pressure gauge 1, is used for showing pressure in liquid oxygen storage tank 3, and liquid oxygen storage tank outer wall surface is provided with safety valve 1, for decompression protection during superpressure;Use hollow structure between liquid oxygen storage tank inner and outer wall, be provided with vacuum stopper 15 in outer wall surface, be used for vacuumizing.
Liquid oxygen stores in being delivered to liquid oxygen storage tank 3 by outside liquid oxygen import, during work, liquid oxygen, under the effect of pressure inside the tank and self gravitation, enters low-temperature liquid oxygen pump supercharging through liquid oxygen pump liquid feed valve 14, delivers to air temperature type vaporizer 6 by the liquid oxygen after 12 superchargings of liquid oxygen pump outlet valve, in air temperature type vaporizer 6, liquid oxygen and air heat-exchange, undergo phase transition, and is converted into gaseous state, oxygen after vaporization enters oxygen filling platform, carries out oxygen filling through eight gas-charging connections of two-way control valve;Oxygen filling platform is provided with Pressure gauge 28, is used for showing oxygen filling pressure, for ensureing the safety of oxygen filling, oxygen filling platform is provided with safety valve 27, for decompression protection during superpressure.Additionally, the gas that liquid oxygen pump pressurization produces, enter liquid oxygen storage tank 3 through liquid oxygen pump air bleeding valve 4, reclaim cold and promote pressure in liquid oxygen storage tank 3, it is simple to liquid oxygen enters liquid oxygen pump 13.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any modification, equivalent or improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.

Claims (5)

1. a small-sized liquid oxygen gas station, it is characterised in that include liquid oxygen pump (13) that liquid oxygen storage tank (3) is connected and the oxygen filling platform being connected with liquid oxygen pump (13) with liquid oxygen storage tank (3);
Described liquid oxygen storage tank (3) uses double-decker, including outer wall and inwall, it is hollow structure between described inside and outside wall, liquid oxygen storage tank (3) is provided with safety valve one (1), Pressure gauge one (2) and vacuum stopper (15), described safety valve one (1) and Pressure gauge one (2) are separately positioned on the outer wall surface of liquid oxygen storage tank (3), and connect with the inwall of liquid oxygen storage tank (3), the inwall of described liquid oxygen storage tank (3) is connected with outside liquid oxygen by storage tank liquid feed valve (5);
Described liquid oxygen pump (13) is provided with liquid oxygen pump air bleeding valve (4), liquid oxygen pump liquid feed valve (14) and liquid oxygen pump outlet valve (12), described liquid oxygen storage tank (3) is connected with liquid oxygen pump (13) by liquid oxygen pump liquid feed valve (14), described liquid oxygen pump (13) is connected with oxygen filling platform by liquid oxygen pump outlet valve (12), is provided with air-heating type gasifier (6) between described liquid oxygen pump outlet valve (12) and oxygen filling platform;
Described oxygen filling platform includes some control valves that safety valve two (7), Pressure gauge two (8) are connected and the some gas-charging connections (9) being connected with control valve with air-heating type gasifier (6), and described safety valve two (7), Pressure gauge two (8) are arranged between air-heating type gasifier (6) and control valve.
2. one according to claim 1 small-sized liquid oxygen gas station, it is characterised in that the liquid oxygen pump air bleeding valve (4) on described liquid oxygen pump (13) connects with the inwall of liquid oxygen storage tank (3).
3. one according to claim 1 small-sized liquid oxygen gas station, it is characterised in that described vacuum stopper (15) is arranged on the outer wall surface of liquid oxygen storage tank (3), and vacuum stopper (15) connects with the hollow structure between inside and outside wall.
4. one according to claim 3 small-sized liquid oxygen gas station, it is characterised in that described vacuum stopper (15) is arranged on liquid oxygen storage tank (3) bottom.
5. one according to claim 1 small-sized liquid oxygen gas station, it is characterized in that, described control valve includes control valve one (10) and the control valve two (11) being in parallel, and described control valve one (10) and control valve two (11) are connected with four gas-charging connections (9) respectively.
CN201610531216.XA 2016-07-07 2016-07-07 Small liquid oxygen gas station Pending CN105987277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610531216.XA CN105987277A (en) 2016-07-07 2016-07-07 Small liquid oxygen gas station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610531216.XA CN105987277A (en) 2016-07-07 2016-07-07 Small liquid oxygen gas station

Publications (1)

Publication Number Publication Date
CN105987277A true CN105987277A (en) 2016-10-05

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CN201610531216.XA Pending CN105987277A (en) 2016-07-07 2016-07-07 Small liquid oxygen gas station

Country Status (1)

Country Link
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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740103A2 (en) * 1995-04-26 1996-10-30 Ebara Corporation Liquefied gas supply system
CN1752507A (en) * 2005-09-23 2006-03-29 河南中原绿能高科有限责任公司 Pressure control device for liquefied natural gas storage tank
CN1763417A (en) * 2005-10-19 2006-04-26 马磊 Liquefied natural gas charging device with automatic pressure regulation and gasification functions
WO2013141453A1 (en) * 2012-03-22 2013-09-26 삼성중공업 주식회사 Carbon dioxide management system and method
CN103423584A (en) * 2013-08-02 2013-12-04 同济大学 High-density complex storage system of hydrogen/ natural gas dual fuel and control method thereof
CN203615062U (en) * 2013-11-15 2014-05-28 苏州金宏气体股份有限公司 Recycle device for depressurizing and emptying gas-liquid storage tank
CN203615074U (en) * 2013-12-03 2014-05-28 重庆耐德能源装备集成有限公司 LNG recycling device in vehicular fuel gas container of disqualified vehicle
CN204534105U (en) * 2015-03-10 2015-08-05 杭州新世纪混合气体有限公司 A kind of carbon dioxide fills reflux
CN105179933A (en) * 2015-08-17 2015-12-23 沈阳航空航天大学 Universal aircraft power system with liquefied natural gas (LNG) as fuel and fuel supply method of universal aircraft power system
CN205806922U (en) * 2016-07-07 2016-12-14 中国人民解放军空军勤务学院 Small-sized liquid oxygen gas station

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0740103A2 (en) * 1995-04-26 1996-10-30 Ebara Corporation Liquefied gas supply system
CN1752507A (en) * 2005-09-23 2006-03-29 河南中原绿能高科有限责任公司 Pressure control device for liquefied natural gas storage tank
CN1763417A (en) * 2005-10-19 2006-04-26 马磊 Liquefied natural gas charging device with automatic pressure regulation and gasification functions
WO2013141453A1 (en) * 2012-03-22 2013-09-26 삼성중공업 주식회사 Carbon dioxide management system and method
CN103423584A (en) * 2013-08-02 2013-12-04 同济大学 High-density complex storage system of hydrogen/ natural gas dual fuel and control method thereof
CN203615062U (en) * 2013-11-15 2014-05-28 苏州金宏气体股份有限公司 Recycle device for depressurizing and emptying gas-liquid storage tank
CN203615074U (en) * 2013-12-03 2014-05-28 重庆耐德能源装备集成有限公司 LNG recycling device in vehicular fuel gas container of disqualified vehicle
CN204534105U (en) * 2015-03-10 2015-08-05 杭州新世纪混合气体有限公司 A kind of carbon dioxide fills reflux
CN105179933A (en) * 2015-08-17 2015-12-23 沈阳航空航天大学 Universal aircraft power system with liquefied natural gas (LNG) as fuel and fuel supply method of universal aircraft power system
CN205806922U (en) * 2016-07-07 2016-12-14 中国人民解放军空军勤务学院 Small-sized liquid oxygen gas station

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