CN2204369Y - Multi-purpose low-temp. liquid container - Google Patents
Multi-purpose low-temp. liquid container Download PDFInfo
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- CN2204369Y CN2204369Y CN 95200878 CN95200878U CN2204369Y CN 2204369 Y CN2204369 Y CN 2204369Y CN 95200878 CN95200878 CN 95200878 CN 95200878 U CN95200878 U CN 95200878U CN 2204369 Y CN2204369 Y CN 2204369Y
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Abstract
The utility model provides a multi-purpose lower temperature liquid container which stores in a liquid state and uses in a gaseous state. The multi-purpose lower temperature liquid container is characterized in that the multi-purpose lower temperature liquid container is provided with a liquid storage device and a vaporizing device which is communicated with the liquid storage device. A liquid storage inner cylinder, an outer cylinder and a vacuum heat insulation layer arranged between the liquid storage inner cylinder and the outer cylinder are arranged in the liquid storage device. Valve seats which are arranged on the liquid storage inner cylinder and the outer cylinder are arranged in the vaporizing device. Gas inlets, transfer gas openings and gas outlets, which are communicated with the liquid storage inner cylinder, are arranged on the valve seats. Both ends of a vaporizing element are respectively communicated with the gas inlets and the transfer gas openings on the valve seats. The multi-purpose lower temperature liquid container has the advantages of convenient operation, safety, long gas supply time, low gas supply cost, light weight, small volume, convenient transportation and multiple purposes. The utility model can respectively store liquid gas, liquid nitrogen and liquid argon.
Description
The utility model relates to a kind of multipurpose cryogenic liquid vessel that can store liquid oxygen, liquid nitrogen, liquid argon respectively.
No matter China is supply medical oxygen or industrial oxygen at present, and the overwhelming majority is that bottle is dashed in pressurization after adopting air separation equipment to produce oxygen, satisfies the user by gas cylinder then and uses the gas requirement.A gas cylinder requires pressurization 150kgf/cm
2, net weight 67kg, the about 71kg of gross weight has only a switch valve.Adopt the gas cylinder supply oxygen, mainly have the following disadvantages:
1, transportation inconvenience: a gas cylinder pressure is 150kgf/cm
2, gross weight is 71kg, and the big benzene of body is heavy, and transportation luck iron is main (67kg), and fortune is auxilliary (4kg), its capacity is little, so transportation frequency height, freight charges are big, floor space is big during storage, but supplied gas is few, takes up an area of 0.09m according to statistics
2Gas cylinder, only store 5000 liters of oxygen.Be transported to each lesion of hospital, bring up to high building, shift the patient onto at one's side, medical care personnel and support staff's labor intensity are big, and auxiliary time is long; The pressure height, all very sensitive to weather, temperature and collision and storage medium (mixing gas), raise or meet judder and collision and very easily topple over and have potential explosion risk as temperature;
2, capacity is little, and is less economical; A gas cylinder ultimate pressure 150kgf/cm
2, can store 6m
2Oxygen, 40 liters of steel cylinder internal volumes, but in fact consider ambient temperature and traffic condition etc., pressure can not reach 150kgf/cm when dashing bottle
2, usually all at 120～130kgf/m
2Scope, so pressure is low, then air storage amount must reduce, and in addition, steel cylinder uses pressure still 5kgf/m
2The time, then can not use again, steel cylinder itself also has the leakage by valve in addition, otherwise needs to clean the inner and blowing inside of heating of gas cylinder with high pure nitrogen, has increased expenses, so calculates, and the actual available gas of gas cylinder has only 5m
3About, so the capacity ratio of air demand and steel cylinder weight is: K==5/67 ≈ 0.075(m
3/ kg), it is less economical;
3, the supply gas pressure shakiness: because user's continuous use, tolerance constantly reduces in the steel cylinder, so also constantly reduction of gas pressure, causes the flow by flowmeter also constantly to change, and must constantly adjust supply gas pressure;
4, air feed expense height: domestic one bottle of medical oxygen expense is 30～35 yuan at present, if by 30 yuan of/bottle calculating, provide 1m
3The medical oxygen expense is 30/5=6(unit/m
3);
5, profile is not attractive in appearance: the likeness in form bomb, and the slenderness ratio of the oxygen cylinder that particularly uses (H:Q) is 6:1, very easily topples over, in case topple over, abnormally dangerous, cause certain psychological pressure for user (patient), produce fear;
6, detect, clean difficulty: medical oxygen cylinder need send relevant department to detect, clean after using a period of time, to guarantee its safe handling and oxygen quality, because the steel cylinder material is a carbon steel, has the water contact to get rusty;
7, impurity content height in the oxygen: by the reason of small-sized oxygenerator production process, CO2 in the oxygen, CO, moisture content and content of halogen are exceeded standard, cause injury to human body.
In view of above reason, the purpose of this utility model is in order to provide a kind of easy to operate, safety, supply gas pressure stable, service life is long, the air feed cost is low, quality is high, in light weight, volume is little, the multipurpose cryogenic liquid vessel that can store liquid oxygen, liquid argon, liquid nitrogen respectively of convenient transportation.
Liquid-storage device is arranged, the vaporizing unit that communicates with liquid-storage device (referring to Fig. 1, Fig. 3) in the utility model.
Storage liquid inner core, urceolus are arranged in the above-mentioned liquid-storage device, place the vacuum heat-insulating layer between inner/outer tube, the valve seat that places on the inner/outer tube is arranged in the vaporizing unit, the steam inlet that communicates with inner core is arranged on the valve seat, also be provided with the transfer steam ports on the valve seat, steam ouput, the two ends of vaporization element communicate with steam inlet, transfer steam ports on the valve seat respectively (referring to Fig. 1～Fig. 4).
Be equipped with on the above-mentioned valve seat regulator that contains modulating valve that communicates with transfer steam ports, steam ouput respectively (referring to Fig. 1～Fig. 4), what of can regulate gas output.
Above-mentioned regulator is humidifier (referring to Fig. 1, Fig. 3), makes the utility model make the liquid oxygen resuscitation apparatus, and the oxygen of output has certain humidity.
The liquid inlet channel that communicates with inner core and steam inlet is respectively arranged on the above-mentioned valve seat, and an end of liquid inlet pipe stretches in the liquid inlet channel and the other end stretches into (referring to Fig. 1) in the inner core liquid.
The supercharging liquid outlet is arranged on the above-mentioned inner tube wall, the supercharging steam inlet that communicates with inner core is arranged on the valve seat, the supercharging liquid inlet pipe places a vacuum heat-insulating layer and the end between inner/outer tube to be communicated with the supercharging liquid outlet, also be provided with the supercharging vaporization element that two ends are communicated with the supercharging liquid inlet pipe the other end and supercharging steam inlet respectively in the vaporizing unit, pressure charging valve places on the valve seat at supercharging liquid entering hole place (referring to Fig. 3).
Referring to Fig. 1, small flow when work, open modulating valve, inner core top gas heats up then by exporting to satisfy user's needs from steam ouput behind the regulator (as oxygen then by the humidifier humidification) by the vaporization of vaporization element.Referring to Fig. 3, when the big flow of needs is worked, open pressure charging valve, liquid vaporization intensification back in supercharging vaporization element enters inner core from the supercharging steam inlet.The inner core upper gas is further vaporized by the vaporization element, and intensification is back exports to satisfy user's needs from steam ouput by regulator.By its flow value of modulating valve can regulate.
Vaporizing unit in the utility model can be made integrated type (the vaporization element is configurable at inner/outer tube top or sidepiece) and side putting type (the vaporization element separates with inner/outer tube, is connected with container by pipeline).
Compare with existing oxygen bottle, the utility model has following advantage:
1, easy to operate, safety, supply gas pressure is stable: low as liquid oxygen resuscitation apparatus working pressure, only need open steam supply valve gets final product air feed, if tolerance requires only need open pressure charging valve and can replenish automatically when big, increases air demand, regulated at will tolerance;
2, service life is long: because cryogenic liquide time of storage in container is long, to be vaporizated into the ratio of gas big for cryogenic liquide in addition, so air demand is quite big, service life is long, and capacity is big;
3, the air feed cost is low, quality is high, as 1.5 yuan/liter of common liquid oxygen prices, so under 20 ℃, 0.101MPa state, offer 1m
3The expense of medical oxygen is 1500/850=1.765(unit/m
3), compare saving with steel cylinder: 6-1.765=4.235(unit/m
3).Because liquid oxygen derives from large air separation plant, the content of CO2, CO, moisture content, halogen is extremely low in the liquid oxygen of its production) meet GB8982-8983-88 " medical and aviation is breathed and used oxygen " standard fully;
4, beautiful shape, in light weight, volume is little, convenient transportation: as the liquid oxygen resuscitation apparatus is rustless steel container, so there are not phenomenons such as corrosion, as a MCD-25/0.3 type liquid oxygen resuscitation apparatus, working pressure is 3kgf/cm
2, but can provide the amount of oxygen that is equivalent to 4 gas cylinders, and a net weight 15kg being full of the heavily about 44kg of liquid oxygen, volume to weight ratio is K=(25 * 0.850)/15=1.417(m
3/ kg), be 18.9 times of gas cylinder, so convenient transportation is economical and practical;
5, purposes is many, not only can adorn liquid oxygen, but also can adorn liquid nitrogen, liquid argon etc.Can be used for industry, medical treatment, Aero-Space etc.
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Fig. 1 is the utility model structural representation.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the utility model (boosting type) structural representation.
Fig. 4 is the plan view of Fig. 3.
Embodiment 1:
Fig. 1, Fig. 2 have provided the utility model embodiment 1 figure.Referring to Fig. 1, Fig. 2, inner core 2 in the liquid-storage device 1 and urceolus 3 adopt metallic material to make.It between inner/outer tube vacuum multilayer insulation layer 4.Valve seat 6 in the vaporizing unit 5 places the inner/outer tube top.The liquid inlet channel 7 that communicates with inner core is arranged on the valve seat 6, the air flue 8 that overflows, tube bottom in liquid inlet pipe 21 1 ends insert and another one pack in the liquid inlet channel 7.The steam inlet of being located on the valve seat 9 is communicated with liquid inlet channel 7.Valve seat 6 is provided with filling opening 10, flow-off 11, transfer steam ports 12, steam ouput 13.Safety valve 14 is loaded on the valve seat and communicates with excessive air flue 8 on it.The two ends that are spirally wound on the vaporization element 15 on the urceolus neck are communicated with steam inlet and transfer steam ports on the valve seat respectively.Pressure gauge 16 is loaded on the valve seat and communicates with the transfer steam ports.The regulator 18 that contains modulating valve 17 is contained on the valve seat and with transfer steam ports and steam ouput and is connected.Flowmeter 19 is housed on regulator 18.Then become humidifier as add water in regulator, loading onto 20 the utility model of oxygen mask on steam ouput is the liquid oxygen resuscitation apparatus, is applicable to hospital and home-use.Inner/outer tube is welded by neck tube in the present embodiment, adopts welding between each external valve, pipeline, the measuring instrument and is threaded.
As the utility model is the liquid oxygen resuscitation apparatus.Liquid oxygen storage is in inner core, and the liquid oxygen boiling point is-183 ℃, 1m
3Liquid oxygen is 0 ℃ in ambient temperature, can be vaporizated into 798m under the external pressure 0.101MPa condition
3Gaseous state oxygen; If ambient temperature is 20 ℃, when atmospheric pressure is 0.101MPa, can be vaporized into 850m
3Gaseous oxygen.In use, open modulating valve, liquid oxygen just can heat up by the vaporizing unit vaporization and become the medical oxygen that supplies to breathe usefulness, large-minded I regulated at will.When finishing using, only need close modulating valve, residual air will be retained in the container for a long time.If usefulness not for a long time, because the liquid oxygen boiling point is low, vaporization part oxygen is retained in the container automatically, if large-minded, pressure surpasses working pressure 3kgf/cm
2The time, safety valve work is automatically emitted oxygen, environment purification.After pressure reduced, safety valve cut out automatically, inventory of gas.The big I of flow is observed by flowmeter, by its flow of modulating valve can regulate.When the needs liquid make-up, only need open filling opening and flow-off, by the filling opening liquid feeding, when inner core liquid reached designing requirement, the flow-off from valve seat can flow out cryogenic liquide, and can close filling opening and flow-off this moment.
This device can be adorned liquid argon, liquid oxygen, just can be used for welding etc.The operative treatment that can be used for pathology when storing liquid nitrogen.
Embodiment 2:
Fig. 3, Fig. 4 have provided embodiment 2 figure of the present utility model.Present embodiment 2 is basic same with embodiment 1, and not existing together is to be provided with supercharging liquid outlet 22 in the bottom of inner core, and the supercharging steam inlet 23 that communicates with inner core is arranged on the valve seat, and supercharging steam inlet pipe 24 is arranged in vacuum heat-insulating layer and an end is communicated with liquid outlet.Also be provided with the supercharging vaporization element 25 that two ends are communicated with supercharging liquid inlet pipe and supercharging steam inlet respectively in the vaporizing unit.Pressure charging valve 26 is positioned on the valve seat of supercharging steam inlet.Safety valve 27 is loaded on the valve seat corresponding with the transfer steam ports.
When the big flow of needs is worked, open pressure charging valve, liquid oxygen enters inner core from the top after the vaporization of supercharging vaporization interelement heats up.The inner core upper gas is heated, is met consumers' demand by heater then by the intensification of further vaporizing of vaporization element.
Claims (6)
1, multipurpose cryogenic liquid vessel is characterized in that liquid-storage device (1) is arranged in the described container, the vaporizing unit (2) that communicates with liquid-storage device (1).
2, multipurpose cryogenic liquid vessel as claimed in claim 1, it is characterized in that having in the described liquid-storage device (1) storage liquid inner core (2), urceolus (3), place the vacuum heat-insulating layer (4) between inner/outer tube, the valve seat (6) that places on the inner/outer tube is arranged in the vaporizing unit (5), the steam inlet (9) that communicates with inner core is arranged on the valve seat, also be provided with transfer steam ports (12), steam ouput (13) on the valve seat, the two ends of vaporization element (15) are communicated with steam inlet, transfer steam ports on the valve seat respectively.
3, multipurpose cryogenic liquid vessel as claimed in claim 2 is characterized in that being equipped with on the described valve seat regulator that contains modulating valve (17) (18) that communicates with transfer steam ports, steam ouput respectively.
4, multipurpose cryogenic liquid vessel as claimed in claim 3 is characterized in that described regulator is a humidifier.
5, multipurpose cryogenic liquid vessel as claimed in claim 2 is characterized in that having on the described valve seat liquid inlet channel (7) that communicates with inner core and steam inlet respectively, and an end of liquid inlet pipe (21) stretches in the liquid inlet channel and the other end stretches in the inner core liquid.
6, multipurpose cryogenic liquid vessel as claimed in claim 2, it is characterized in that supercharging liquid outlet (22) is arranged on the described inner tube wall, the supercharging steam inlet (23) that communicates with inner core is arranged on the valve seat, a vacuum heat-insulating layer and an end that supercharging liquid inlet pipe (24) is arranged between inner/outer tube are communicated with the supercharging liquid outlet, also be provided with the supercharging vaporization element (25) that two ends are communicated with supercharging liquid inlet pipe and supercharging steam inlet respectively in the vaporizing unit, pressure charging valve (26) is positioned on the valve seat of supercharging steam inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95200878 CN2204369Y (en) | 1995-02-10 | 1995-02-10 | Multi-purpose low-temp. liquid container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95200878 CN2204369Y (en) | 1995-02-10 | 1995-02-10 | Multi-purpose low-temp. liquid container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2204369Y true CN2204369Y (en) | 1995-08-02 |
Family
ID=33854489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95200878 Expired - Fee Related CN2204369Y (en) | 1995-02-10 | 1995-02-10 | Multi-purpose low-temp. liquid container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2204369Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103249985A (en) * | 2010-12-16 | 2013-08-14 | 气体产品与化学公司 | A gas storage container |
| CN106225352A (en) * | 2016-08-24 | 2016-12-14 | 常州利普金属制品有限公司 | Thermal insulation type reservoir |
| CN113335767A (en) * | 2020-02-18 | 2021-09-03 | 中国科学院物理研究所 | Low-temperature container |
-
1995
- 1995-02-10 CN CN 95200878 patent/CN2204369Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103249985A (en) * | 2010-12-16 | 2013-08-14 | 气体产品与化学公司 | A gas storage container |
| CN103249985B (en) * | 2010-12-16 | 2015-11-25 | 气体产品与化学公司 | gas storage container |
| CN106225352A (en) * | 2016-08-24 | 2016-12-14 | 常州利普金属制品有限公司 | Thermal insulation type reservoir |
| CN113335767A (en) * | 2020-02-18 | 2021-09-03 | 中国科学院物理研究所 | Low-temperature container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C28 | Revocation of patent right or utility model | ||
| RW01 | Full revocation of patent right |
Decision date of revocation: 19980312 |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |