CN109297259A - A kind of device preparing liquid oxygen using low temperature liquid nitrogen - Google Patents
A kind of device preparing liquid oxygen using low temperature liquid nitrogen Download PDFInfo
- Publication number
- CN109297259A CN109297259A CN201811226279.XA CN201811226279A CN109297259A CN 109297259 A CN109297259 A CN 109297259A CN 201811226279 A CN201811226279 A CN 201811226279A CN 109297259 A CN109297259 A CN 109297259A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- liquid
- liquid nitrogen
- tank
- heat exchanger
- 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
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000007788 liquid Substances 0.000 title claims abstract description 76
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 73
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 60
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000001301 oxygen Substances 0.000 claims abstract description 61
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 61
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0221—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using the cold stored in an external cryogenic component in an open refrigeration loop
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
- F25J3/04084—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of nitrogen
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0012—Primary atmospheric gases, e.g. air
- F25J1/0017—Oxygen
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
- F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of oxygen
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/42—Nitrogen
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/90—Boil-off gas from storage
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2260/00—Coupling of processes or apparatus to other units; Integrated schemes
- F25J2260/42—Integration in an installation using nitrogen, e.g. as utility gas, for inerting or purging purposes in IGCC, POX, GTL, PSA, float glass forming, incineration processes, for heat recovery or for enhanced oil recovery
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical fields of liquid gas, in particular to a kind of device that liquid oxygen is prepared using low temperature liquid nitrogen, described device includes liquid oxygen tank, liquid nitrogen tank and heat exchanger, oxygen recovery pipe is provided at the top of the liquid oxygen tank, the bottom of the liquid nitrogen tank is provided with liquid nitrogen efferent duct, oxygen recovery pipe and liquid nitrogen efferent duct pass through heat exchanger, oxygen carries out heat with liquid nitrogen and exchanges, oxygen condensation is liquid oxygen after exchange, liquid nitrogen re-heat is nitrogen, oxygen recovery pipe connects liquefied oxygen tank vehicle after heat exchanger, and liquid nitrogen efferent duct connects fractionating column.Low temperature liquid nitrogen provided by the invention prepares the device of liquid oxygen, for recycling in liquid oxygen tank due to the gas of insulation loss evaporation, has significant economic benefit.
Description
Technical field
The invention belongs to the technical field of liquid gas, in particular to a kind of device that liquid oxygen is prepared using low temperature liquid nitrogen.
Background technique
Full liquid air separation plant is that air is become liquid by the method for compression depth of round freezing using air as raw material
State gradually separates the equipment for producing the liquid form products such as liquid oxygen, liquid nitrogen using rectifying from liquid air.
Storage tank system is entered by the liquid oxygen product that full liquid air separation plant produces, storage tank system is since insulation is lost, in tank
Liquid oxygen flashes to oxygen, persistently increases pressure inside the tank, it is therefore desirable to continuous discharge about 100Nm3The gas of/hour, basin internal pressure
Power just can be normal.The cryogenic gas of evaporation is discharged among atmosphere, and the gas of discharge is to cause close to the cryogenic gas of saturation
Very big waste.
Summary of the invention
The object of the present invention is to provide a kind of device for preparing liquid oxygen using low temperature liquid nitrogen, for recycle in liquid oxygen tank by
In the gas of insulation loss evaporation.
The object of the present invention is achieved like this: a kind of device preparing liquid oxygen using low temperature liquid nitrogen, described device include
Liquid oxygen tank, liquid nitrogen tank and heat exchanger are provided with oxygen recovery pipe, the bottom of the liquid nitrogen tank at the top of the liquid oxygen tank
Portion is provided with liquid nitrogen efferent duct, and oxygen recovery pipe and liquid nitrogen efferent duct pass through heat exchanger, and oxygen carries out heat with liquid nitrogen and exchanges, hands over
Changing rear oxygen condensation is liquid oxygen, and liquid nitrogen re-heat is nitrogen, and oxygen recovery pipe connects liquefied oxygen tank vehicle, liquid nitrogen output after passing through heat exchanger
Pipe connects fractionating column.
The side bottom of above-mentioned liquid oxygen tank is provided with liquid oxygen input pipe, and bottom is provided with liquid oxygen efferent duct, liquid oxygen efferent duct
It is connected with liquefied oxygen tank vehicle, the side bottom of the liquid nitrogen tank is provided with liquid nitrogen input pipe.
Above-mentioned heat exchanger is plate heat exchanger.
Oxygen recovery pipe is contrary with the fluid conveying in liquid nitrogen efferent duct in above-mentioned heat exchanger.
Oxygen emptying pipe is provided on above-mentioned oxygen recovery pipe, the oxygen emptying pipe is located at before heat exchanger.
Between above-mentioned oxygen recovery pipe and liquefied oxygen tank vehicle, connected using hose between liquid oxygen efferent duct and liquefied oxygen tank vehicle.
Shut-off valve is provided on above-mentioned pipeline.
Compared to the prior art the present invention, has the following beneficial effects:
1, the present invention is lower than liquid oxygen using the condensing temperature of liquid nitrogen, is exchanged heat by heat exchanger, the oxygen that liquid nitrogen will evaporate
Again it is condensed into liquid oxygen, and then introduces liquefied oxygen tank vehicle, realizes the full recycling that oxygen discharges in liquid oxygen tank.
2, since the market price of liquid oxygen is significantly larger than the market price of liquid nitrogen, had using liquid nitrogen liquefied oxygen very high
Market income, meanwhile, the liquid nitrogen after re-heat can be further introduced into fractionating column rectifying and be prepared as liquid nitrogen again.
3, present device is simple, easy to operate, has significant economic benefit.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Appended drawing reference: 1, liquid oxygen tank；2, liquid nitrogen tank；3, heat exchanger；4, oxygen recovery pipe；5, liquid nitrogen efferent duct；6,
Liquid oxygen input pipe；7, liquid oxygen efferent duct；8, liquid nitrogen input pipe；9, oxygen emptying pipe；10, hose；11, shut-off valve.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing, referring to Fig. 1:
A kind of device preparing liquid oxygen using low temperature liquid nitrogen, described device include liquid oxygen tank 1, liquid nitrogen tank 2 and heat exchange
Device 3, the top of the liquid oxygen tank 1 are provided with oxygen recovery pipe 4, and the bottom of the liquid nitrogen tank 2 is provided with liquid nitrogen efferent duct
5, oxygen recovery pipe 4 and liquid nitrogen efferent duct 5 pass through heat exchanger 3, and oxygen carries out heat with liquid nitrogen and exchanges, and oxygen condensation is after exchange
Liquid oxygen, liquid nitrogen re-heat are nitrogen, and oxygen recovery pipe 4 connects liquefied oxygen tank vehicle, the connection fractionation of liquid nitrogen efferent duct 5 after passing through heat exchanger 3
Tower.
The process of oxygen recovery of the invention is as follows: since insulation is lost, the liquid oxygen in liquid oxygen tank 1 is evaporated to oxygen,
Oxygen is discharged by oxygen recovery pipe 4, and by heat exchanger 3, the liquid nitrogen in liquid nitrogen tank 2 is also passed through by liquid nitrogen efferent duct 5 to be changed
Hot device 3, since the condensing temperature of liquid nitrogen is lower than 16 ° of liquid oxygen or so, in the oxygen and liquid nitrogen efferent duct 5 in oxygen recovery pipe 4
Liquid nitrogen carries out heat exchange, and oxygen condensation is liquid oxygen after heat exchange, and liquid nitrogen re-heat is nitrogen, and later, liquid oxygen enters liquid oxygen slot
It stores and uses in vehicle, the liquid nitrogen after re-heat reenters the further rectifying of fractionating column and produces liquid nitrogen.
In order to facilitate use, the side bottom of above-mentioned liquid oxygen tank 1 is provided with liquid oxygen input pipe 6, and it is defeated that bottom is provided with liquid oxygen
Outlet pipe 7, liquid oxygen efferent duct 7 are connected with liquefied oxygen tank vehicle, and the side bottom of the liquid nitrogen tank 2 is provided with liquid nitrogen input pipe 8.
Above-mentioned heat exchanger 3 selects the heat exchanger that can be realized heat exchange purpose in the prior art, preferably plate heat exchanger.
Oxygen recovery pipe 4 is contrary with the fluid conveying in liquid nitrogen efferent duct 5 in above-mentioned heat exchanger, improves heat exchange effect
Rate.
Oxygen emptying pipe 9 is provided on above-mentioned oxygen recovery pipe 4, the oxygen emptying pipe 9 is located at before heat exchanger 4, when
Whenever necessary, oxygen emptying pipe 9 can be used and be vented oxygen.
Between above-mentioned oxygen recovery pipe 4 and liquefied oxygen tank vehicle, connected using hose 10 between liquid oxygen efferent duct 7 and liquefied oxygen tank vehicle
It connects.
Shut-off valve 11 is provided on above-mentioned pipeline, shut-off valve 11 controls the flowing of fluid.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (7)
1. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen, which is characterized in that described device includes liquid oxygen tank (1), liquid nitrogen
Basin (2) and heat exchanger (3) are provided with oxygen recovery pipe (4) at the top of the liquid oxygen tank (1), the liquid nitrogen tank (2)
Bottom is provided with liquid nitrogen efferent duct (5), and oxygen recovery pipe (4) and liquid nitrogen efferent duct (5) pass through heat exchanger (3), passes through heat exchanger
(3) oxygen recovery pipe (4) connects liquefied oxygen tank vehicle afterwards, and liquid nitrogen efferent duct (5) connects fractionating column.
2. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen according to claim 1, which is characterized in that the liquid oxygen storage
The side bottom of tank (1) is provided with liquid oxygen input pipe (6), and bottom is provided with liquid oxygen efferent duct (7), liquid oxygen efferent duct (7) and liquid oxygen
Tank car is connected, and the side bottom of the liquid nitrogen tank (2) is provided with liquid nitrogen input pipe (8).
3. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen according to claim 1, which is characterized in that the heat exchanger
It (3) is plate heat exchanger.
4. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen according to claim 1, which is characterized in that the heat exchanger
(3) oxygen recovery pipe (4) is contrary with the fluid conveying in liquid nitrogen efferent duct (5) in.
5. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen according to claim 1, which is characterized in that the oxygen returns
It is provided in closed tube (4) oxygen emptying pipe (9), the oxygen emptying pipe (9) is located at before heat exchanger (3).
6. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen according to claim 2, which is characterized in that the oxygen returns
Between closed tube (4) and liquefied oxygen tank vehicle, it is connect using hose (10) between liquid oxygen efferent duct (7) and liquefied oxygen tank vehicle.
7. a kind of device for preparing liquid oxygen using low temperature liquid nitrogen according to claim 1 to 6, which is characterized in that
Shut-off valve (11) are provided on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226279.XA CN109297259A (en) | 2018-10-18 | 2018-10-18 | A kind of device preparing liquid oxygen using low temperature liquid nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226279.XA CN109297259A (en) | 2018-10-18 | 2018-10-18 | A kind of device preparing liquid oxygen using low temperature liquid nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109297259A true CN109297259A (en) | 2019-02-01 |
Family
ID=65157472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811226279.XA Pending CN109297259A (en) | 2018-10-18 | 2018-10-18 | A kind of device preparing liquid oxygen using low temperature liquid nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297259A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579351A (en) * | 2018-11-19 | 2019-04-05 | 中国人民解放军战略支援部队航天工程大学 | Big flow liquid oxygen based on Supersonic Ejector crosses cooling method |
| CN110411902A (en) * | 2019-07-02 | 2019-11-05 | 上海交通大学 | A kind of visual experimental apparatus for realizing microgravity liquid oxygen by magnetic compensation |
| CN111912169A (en) * | 2020-07-31 | 2020-11-10 | 西安航天动力研究所 | Anti-oxidation heat exchange system prepared by small-flow liquid oxygen in real time and operation method thereof |
| CN112254435A (en) * | 2020-09-29 | 2021-01-22 | 北京航天发射技术研究所 | Deep supercooling liquid oxygen preparation system and preparation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200958887Y (en) * | 2006-10-10 | 2007-10-10 | 山西新临钢钢铁有限公司 | Cryogenic oxygen-nitrogen liquid converter |
| CN204042430U (en) * | 2014-08-23 | 2014-12-24 | 王永灵 | A kind of cryogenic gas reliquefaction installation of simple and feasible |
| CN205938527U (en) * | 2016-07-22 | 2017-02-08 | 深圳市海格金谷化工科技有限公司 | Oxygen recovery unit in air separation device liquid oxygen storage tank |
| CN206019152U (en) * | 2016-08-19 | 2017-03-15 | 浙江智海化工设备工程有限公司 | Reclaiming argon cold carries out oxygen liquefying plant |
| CN208859995U (en) * | 2018-10-18 | 2019-05-14 | 浙江海天气体有限公司 | A kind of device preparing liquid oxygen using low temperature liquid nitrogen |
-
2018
- 2018-10-18 CN CN201811226279.XA patent/CN109297259A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200958887Y (en) * | 2006-10-10 | 2007-10-10 | 山西新临钢钢铁有限公司 | Cryogenic oxygen-nitrogen liquid converter |
| CN204042430U (en) * | 2014-08-23 | 2014-12-24 | 王永灵 | A kind of cryogenic gas reliquefaction installation of simple and feasible |
| CN205938527U (en) * | 2016-07-22 | 2017-02-08 | 深圳市海格金谷化工科技有限公司 | Oxygen recovery unit in air separation device liquid oxygen storage tank |
| CN206019152U (en) * | 2016-08-19 | 2017-03-15 | 浙江智海化工设备工程有限公司 | Reclaiming argon cold carries out oxygen liquefying plant |
| CN208859995U (en) * | 2018-10-18 | 2019-05-14 | 浙江海天气体有限公司 | A kind of device preparing liquid oxygen using low temperature liquid nitrogen |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579351A (en) * | 2018-11-19 | 2019-04-05 | 中国人民解放军战略支援部队航天工程大学 | Big flow liquid oxygen based on Supersonic Ejector crosses cooling method |
| CN110411902A (en) * | 2019-07-02 | 2019-11-05 | 上海交通大学 | A kind of visual experimental apparatus for realizing microgravity liquid oxygen by magnetic compensation |
| CN110411902B (en) * | 2019-07-02 | 2021-10-26 | 上海交通大学 | Visual experimental device for realizing microgravity liquid oxygen through magnetic compensation |
| CN111912169A (en) * | 2020-07-31 | 2020-11-10 | 西安航天动力研究所 | Anti-oxidation heat exchange system prepared by small-flow liquid oxygen in real time and operation method thereof |
| CN112254435A (en) * | 2020-09-29 | 2021-01-22 | 北京航天发射技术研究所 | Deep supercooling liquid oxygen preparation system and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109297259A (en) | A kind of device preparing liquid oxygen using low temperature liquid nitrogen | |
| CN202835329U (en) | Steam pressure reduction overheating and condensation water heat recovery device | |
| NO120941B (en) | ||
| CN105413390B (en) | The absorption supercharging recovery system of volatile organic steam in a kind of oil gas | |
| CN104990366B (en) | A kind of method that thick neon helium product is extracted in the liquid nitrogen from air separation unit | |
| CN109140903A (en) | A kind of space division system and air separating method using cold energy of liquefied natural gas | |
| CN208859995U (en) | A kind of device preparing liquid oxygen using low temperature liquid nitrogen | |
| CN205461085U (en) | Ethanol water solvent recycling system | |
| CN204083795U (en) | Liquid residual air reclaiming system more than a kind of natural gas tank car | |
| CN104048478B (en) | The equipment of high extraction and the dirty nitrogen purification nitrogen of low energy consumption and extracting method thereof | |
| CN104482396B (en) | BOG recovery system with cold storage function | |
| CN103759500A (en) | Method and device for manufacturing high purity nitrogen in low energy consumption mode | |
| CN103717292B (en) | For the method and apparatus cooled down and compress wet carbon dioxide enriched gas | |
| CN204421489U (en) | A kind of device utilizing many covers empty point of crude argon produced to extract high-purity liquid argon | |
| CN207950720U (en) | The system of condensing recovery dinitrogen tetroxide exhaust gas resource | |
| CN104329561B (en) | A kind of system of liquid nitrogen LNG Liquefied natural gas and method thereof | |
| CN206637944U (en) | A kind of recovery reliquefaction installation for BOG | |
| CN108799827A (en) | A kind of BOG recyclings device | |
| CN203116432U (en) | Liquid oxygen hydrocarbon drain-off system of outer compressed air separation device | |
| CN211011317U (en) | Deaerator exhaust steam recovery device | |
| CN203144363U (en) | System for recycling gas below standard in LNG (liquefied natural gas) production | |
| CN204589083U (en) | Mixed hydrocarbon from oil associated gas recovery system | |
| CN204227028U (en) | A kind of system of liquid nitrogen LNG Liquefied natural gas | |
| CN203979877U (en) | A kind of LNG receiving station reclaims cold for the treatment of the device of BOG | |
| CN209116631U (en) | A kind of neon helium cryogenic gas cold energy recyclable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220104 Address after: 317000 southeast of line A3, Linhai Park, chemical API base, Taizhou City, Zhejiang Province Applicant after: ZHEJIANG HAICHANG GAS Co.,Ltd. Address before: No. 391, Dongfang Avenue, Linhai, Taizhou, Zhejiang Applicant before: ZHEJIANG HAITIAN GAS Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 317000 No. 755, Dongdu South Road, Linhai City, Taizhou City, Zhejiang Province (for office use only) (self declaration) Applicant after: Zhejiang Haichang Gas Co.,Ltd. Address before: 317000 southeast of line A3, Linhai Park, chemical API base, Taizhou City, Zhejiang Province Applicant before: ZHEJIANG HAICHANG GAS Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |
|
| RJ01 | Rejection of invention patent application after publication |