CN108266966A - The Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator - Google Patents
The Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator Download PDFInfo
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- CN108266966A CN108266966A CN201810037887.XA CN201810037887A CN108266966A CN 108266966 A CN108266966 A CN 108266966A CN 201810037887 A CN201810037887 A CN 201810037887A CN 108266966 A CN108266966 A CN 108266966A
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- heat exchanger
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Classifications
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- 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
- F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
-
- 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
- F25J3/06—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation
- F25J3/063—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream
- F25J3/066—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream separation 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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/06—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation
- F25J3/063—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream
- F25J3/0685—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream separation of noble gases
-
- 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
- F25J3/06—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation
- F25J3/063—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream
- F25J3/0685—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream separation of noble gases
- F25J3/069—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream separation of noble gases of helium
-
- 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
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
-
- 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
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/20—Processes or apparatus using other separation and/or other processing means using solidification of components
-
- 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
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/30—Helium
-
- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
- F25J2270/908—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration by regenerative chillers, i.e. oscillating or dynamic systems, e.g. Stirling refrigerator, thermoelectric ("Peltier") or magnetic refrigeration
Abstract
The invention discloses a kind of Cryo Equipments for detaching and purifying for gas based on small-sized Cryo Refrigerator, including first-class heat exchanger, secondary heat exchanger, level Four heat exchanger, at least one small-sized Cryo Refrigerator and at least one liquid collecting tank, small-sized Cryo Refrigerator includes the first cold head and the second cold head, secondary heat exchanger is arranged on formation level-one cold header heat exchanger on the first cold head, level Four heat exchanger is arranged on formation two level cold header heat exchanger on the second cold head, mixed gas outlet is connected to level-one cold header heat exchanger entrance, the entrance of the outlet connection liquid collecting tank of level-one cold header heat exchanger, liquid collecting tank gas vent is connected to two level cold header heat exchanger import.The first order of small-sized Cryo Refrigerator of the invention and second level cold head are as low-temperature receiver, the gas of different condensation temperatures is liquefied and cured respectively, it, thus can be with relatively low into the separation and purifying of realizing two or more gases originally so as to obtain the lower high-purity gas of condensation temperature.
Description
Technical field
It is especially a kind of based on small-sized Cryo Refrigerator the present invention relates to the Cryo Equipment of a kind of separation of gas and purifying
The Cryo Equipment for detaching and purifying for gas.
Background technology
In impure unstripped gas each component gas separation and purifying be obtain high-purity (volumn concentration 99.999%
Or more) basic process of gas.Usually divided using the difference between each component gas condensation temperature and molecular property
From traditional method has：Rectification method, fractional condensation method, absorption method, catalysis reaction method etc..When product gas requirement purity is higher, need
Several method is used in combination, pressure-variable adsorption and low temperature under the method or room temperature that are combined such as high pressure low temperature condensation with cryogenic absorption
Adsorb method being combined etc..Traditional isolation and purification method flow is complicated, and cost of investment is high, commonly used in large-scale gas point
From purifier apparatus.
In general, the rare gas such as helium, neon separation and purifying be also based on more than several common methods.Rare gas
In, the rare gas such as helium, neon have very important application, and demand in fields such as Aeronautics and Astronautics, military affairs and scientific researches
Increasingly increase.It is important that China belongs to poor helium country, helium has been classified as war by the U.S. as main helium out state in the world
Slightly resource.Therefore, the recycling of helium is just particularly important；In addition, from air separation unit extraction be industrially obtain helium,
One of approach of neon.
For the helium of recycling, for purity 90% or so, remaining is mainly the foreign gases such as air.The helium of this purity
Gas usually can not be used directly, be needed by particularly detaching and purifying flow.Separation for helium, neon in air separation unit
And purifying, conventional method generally comprise the extracting of raw helium neon gaseous mixture, the preparation of pure He-Ne gaseous mixture and pure helium, the preparation of pure neon
Three processes.Three process flow is all more complicated, and cost of investment is high, lacks economy, is generally rarely applied to practical sky
In separating device.
Small-sized Cryo Refrigerator generally comprises GM refrigeration machines, vascular refrigerator, sterlin refrigerator, J-T refrigeration machines etc..It is small
The refrigeration temperature levels of type Cryo Refrigerator generally at 0-80K (- 273.15 DEG C-- 193.15 DEG C), refrigerating capacity about 0.1-
100W.Small-sized Cryo Refrigerator is the important equipment for obtaining extremely low temperature.Based on small-sized Cryo Refrigerator for gas separation and
The Cryo Equipment of purifying is then suitable for small-sized gas separation and purifying.
The present invention provides a kind of methods for detaching and purifying for gas based on small-sized Cryo Refrigerator.Improve biography
The separation of system and purification schemes, by the use of the first order of small-sized Cryo Refrigerator and second level cold head as low-temperature receiver, by different condensation temperature
The gas of degree liquefies and cures respectively, so as to obtain the lower high-purity gas of condensation temperature (such as：Helium), it is liquefied other
The higher high-purity gas of condensation temperature can equally obtain.It thus can be with relatively low into realizing two or more gases originally
Separation and purifying.
Invention content
A kind of Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator, it is characterized in that：Including one
Grade heat exchanger, secondary heat exchanger, level Four heat exchanger, at least one small-sized Cryo Refrigerator and at least one liquid collecting tank, it is described
Small-sized Cryo Refrigerator include the first cold head and the second cold head, the secondary heat exchanger is arranged on first cold head
Level-one cold header heat exchanger is formed, the level Four heat exchanger is arranged on formation two level cold header heat exchanger on the second cold head, described
First-class heat exchanger on be provided with mixed gas import, after purification mixed gas outlet, gas feed and gas goes out after purification
Mouthful, the mixed gas outlet is connected to the level-one cold header heat exchanger entrance, the outlet connection of level-one cold header heat exchanger
The entrance of the liquid collecting tank, liquid collecting tank gas vent are connected to two level cold header heat exchanger import, and the outlet of two level cold header heat exchanger connects
One import of gas after purification of first-class heat exchanger cold end is connected to, first-class heat exchanger hot junction is exported for gas one after purification.
A three-level heat exchanger, institute are additionally provided between the liquid collecting tank gas vent and two level cold header heat exchanger import
The two level cold header heat exchanger outlet stated also passes through the three-level heat exchanger and is connected to first-class heat exchanger cold end gas one after purification
Import.
Another refrigeration machine is further included, which is included positioned at the level-one heat exchange tank of the first cold head and cold positioned at second
The secondary heat exchange tank of head, the liquid outlet of the liquid collecting tank enter the cold end purifying of first-class heat exchanger through level-one cold header heat exchanger
One import of gas afterwards, the gas vent of the liquid collecting tank are connected to the two level cold head by the level-one heat exchange tank and change
Hot device import, the outlet of two level cold header heat exchanger connect another liquid collecting tank, and the gas vent of another liquid collecting tank is by described
Secondary heat exchange tank is connected to cold end two import of gas after purification of first-class heat exchanger, and the liquid outlet of another liquid collecting tank is through one
Grade cold header heat exchanger and level-one heat exchange tank enter the cold end of first-class heat exchanger, and gas triple feed inlet, first-class heat exchanger hot junction are after purification
Gas one exports after purification, gas two exports and gas three exports.
First-class heat exchanger, secondary heat exchanger, three-level heat exchanger and the level Four heat exchanger types are around heat exchange of heat pipe, disk
Pipe heat exchanger, plate heat exchanger or finned heat exchanger.
The small-sized Cryo Refrigerator is GM refrigeration machines, vascular refrigerator, sterlin refrigerator or J-T refrigeration machines.
Beneficial effects of the present invention：
Small-sized Cryo Refrigerator is introduced into traditional gas separation and purification system by the present invention, with small-sized cryogenic refrigeration
Other gases of different condensation temperatures are liquefied and cured respectively as low-temperature receiver by the machine first order and second level cold head, condensation temperature
Higher gas is after the liquefaction of refrigeration machine first order cold head, and the relatively low gas purity of condensation temperature is up to more than 99%, still
Foreign gas there are 1% or so is not liquefied, this low-temperature receiver for just needing temperature lower (offer of refrigeration machine second level cold head) will
Foreign gas cure, sink temperature is lower, and gas purity is higher, the gas purity after curing generally reach 99.999% with
On.It thus can be with relatively low into the separation and purifying of realizing two or more gases originally.
Description of the drawings
Fig. 1 is the low temperature for detaching and purifying for gas based on GM refrigeration machines that the present invention obtains high-purity helium and nitrogen
Apparatus system schematic diagram.
Fig. 2 be obtain high-purity helium, three kinds of product gas of neon and nitrogen based on GM refrigeration machines for gas separation and
The Cryo Equipment systematic schematic diagram of purifying.
Specific embodiment
As shown in Figure 1.Based on GM refrigeration machines for gas detach and purify Cryo Equipment, including combi inlet port 1,
First-class heat exchanger 2, secondary heat exchanger 3, liquid collecting tank 4, three-level heat exchanger 5, level Four heat exchanger 6, helium outlet 7, nitrogen outlet 8,
GM refrigeration machines 9 and vacuum (-tight) housing 10, the combi inlet port 1 connect 2 hot side inlet of first-class heat exchanger, and 2 cold end of first-class heat exchanger goes out
Mouth connection 3 import of secondary heat exchanger, secondary heat exchanger 3 are coiled on GM refrigeration machine level-one cold heads, the outlet of secondary heat exchanger 3 connection
To 4 gas feed of liquid collecting tank, 4 gas vent of liquid collecting tank is connected to 5 hot side inlet of three-level heat exchanger, and 5 cold end of three-level heat exchanger goes out
Mouth is connected to 6 import of level Four heat exchanger, and level Four heat exchanger 6 is coiled on GM refrigeration machine two level cold heads, and the outlet of level Four heat exchanger 6 connects
5 cold side inlet of three-level heat exchanger is connected to, the outlet of 5 hot junction of three-level heat exchanger is connected to 2 cold side inlet of first-class heat exchanger, level-one heat exchange
The outlet of 2 hot junction of device is connected to helium outlet 7, and 4 liquid outlet of liquid collecting tank is connected to nitrogen outlet 8.The level-one of GM refrigeration machines 9, two
Grade cold head part, first-class heat exchanger 2, secondary heat exchanger 3, three-level heat exchanger 4, level Four heat exchanger 5 and liquid collecting tank 4 are placed in vacuum
In cover 10.
The acquisition high-purity helium and a kind of low temperature for detaching and purifying for gas based on GM refrigeration machines of nitrogen
Device, workflow are as follows：
Unstripped gas (containing helium and nitrogen) initially enters first-class heat exchanger 2 after the entrance system of combi inlet port 1 and is pre-chilled, in advance
It is as cold as entering back into secondary heat exchanger 3 after lower temperature further cooling down, secondary heat exchanger 3 is coiled in the one of GM refrigeration machines 9
On grade cold head.
It is gas-liquid mixture that the unstripped gas, which is left when secondary heat exchanger 3 exports, and most nitrogen in unstripped gas are
Through liquefaction, gas-liquid mixture carries out gas-liquid separation after entering liquid collecting tank 4, and liquid is in 4 congregate of liquid collecting tank, at this point, leaving collection
Still containing a small amount of nitrogen not being liquefied inside the gas of flow container 4.
The helium and a small amount of nitrogen not being liquefied leave liquid collecting tank 4 and enters in three-level heat exchanger 5 to be cooled down again, it
Preceding a small amount of nitrogen not being liquefied cures in three-level heat exchanger 5, and the helium purity come out from 5 cold end of three-level heat exchanger reaches
More than 99.999%, it is high-purity gas.
The high-purity gas is entered in level Four heat exchanger 6, and level Four heat exchanger 6 is coiled on the two level cold head of GM refrigeration machines 9,
The helium temperature for leaving level Four heat exchanger 6 reaches minimum, and helium first passes around three-level heat exchanger 5 using first-class heat exchanger 2
After be restored to room temperature and reach helium outlet 7, liquefied nitrogen automatically controls discharge at regular intervals in liquid collecting tank 4.
Embodiment two be obtain high-purity helium, three kinds of product gas of neon and nitrogen based on GM refrigeration machines for gas point
From the Cryo Equipment with purifying.
As shown in Figure 2.The Cryo Equipment for detaching and purifying for gas based on GM refrigeration machines, including raw material gas inlet
11, first-class heat exchanger 12, level-one cold header heat exchanger 13, liquid collecting tank 1, two level cold header heat exchanger 15, liquid collecting tank 2 16, level-one
Heat exchange tank 17, secondary heat exchange tank 18, GM refrigeration machines 1, GM refrigeration machines 2 20, nitrogen outlet 21, helium outlet 22, neon goes out
Mouth 23 and vacuum (-tight) housing 24.
The acquisition high-purity helium, three kinds of product gas of neon and nitrogen it is a kind of based on GM refrigeration machines for gas point
From the Cryo Equipment with purifying, workflow is as follows：
Unstripped gas (containing helium, neon and nitrogen), which is initially entered from raw material gas inlet 11 in first-class heat exchanger 12, to carry out in advance
It is cold.Unstripped gas after the first-class heat exchanger 12 precooling enters level-one cold header heat exchanger 13 and further cools down, will be in unstripped gas
Liquefaction of nitrogen, unstripped gas level-one cold header heat exchanger 13 outlet is changed into comprising liquid nitrogen, gaseous nitrogen atmosphere, helium and neon
Gas-liquid mixture.
After the gas-liquid mixture outflow level-one cold header heat exchanger 13, liquid collecting tank 1 is flowed into, it will in liquid collecting tank 1
Gas and liquid separation, the liquid nitrogen after separation, which is back in first-class heat exchanger 12, is pre-chilled unstripped gas, helium, neon after separation
Gas and the nitrogen not being liquefied, which enter level-one heat exchange tank 17, to be continued to cool down.
The nitrogen not being liquefied is cured in level-one heat exchange tank 17, and the gas of outflow level-one heat exchange tank 17 is helium
With the mixed gas of neon.
The mixed gas of the helium and neon enters two level cold header heat exchanger 15 and further cools down, by neon liquid therein
Change, the mixed gas of helium and neon is changed into the outlet of two level cold header heat exchanger 15 comprising liquid neon, gaseous state neon and helium
The gas-liquid mixture of gas.
After the gas-liquid mixture outflow two level cold header heat exchanger 15 of the liquid neon, gaseous state neon and helium, collection is flowed into
Flow container 2 16 detaches gas and liquid in liquid collecting tank 2 16, and helium after separation and the neon not being liquefied enter two
Grade heat exchange tank 18.
The neon not being liquefied is cured in secondary heat exchange tank 18, and the gas of outflow secondary heat exchange tank 18 is low temperature
High-purity helium, low temperature high-purity helium are back to first-class heat exchanger 12, room temperature unstripped gas are pre-chilled, helium is by rewarming to room temperature, you can
Obtain room temperature high-purity helium.
Liquid neon after the separation is back to level-one cold header heat exchanger 13, is pre-chilled after the precooling of first-class heat exchanger 12
Unstripped gas, liquid neon aspiration heat deflection enters level-one heat exchange tank 17 by the neon after rewarming and drops again into gaseous state and by rewarming
First-class heat exchanger 12 is flowed into after temperature, room temperature unstripped gas is pre-chilled, low temperature neon is in first-class heat exchanger 12 by rewarming to room temperature, you can
Obtain the high-purity neon of room temperature.
The present embodiment one and embodiment two are to list the principle and method that obtain two kinds of product gas and three kinds of product gas,
It then needs to be improved to obtain on the basis of three kinds of product gas are obtained if desired for more product gas are obtained.
Part that the present invention does not relate to is same as the prior art or the prior art can be used is realized.
Claims (1)
1. a kind of Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator, it is characterized in that：Including level-one
Heat exchanger (2), secondary heat exchanger (3), level Four heat exchanger (6), at least one small-sized Cryo Refrigerator (9) and at least one collection
Flow container (4), the small-sized Cryo Refrigerator (9) include the first cold head and the second cold head, the secondary heat exchanger (3) setting
Level-one cold header heat exchanger is formed on first cold head, the level Four heat exchanger (6), which is arranged on the second cold head, to be formed
Two level cold header heat exchanger is provided with mixed gas import, mixed gas outlet, after purification in the first-class heat exchanger (2)
Gas feed and after purification gas vent, the mixed gas outlet are connected to the level-one cold header heat exchanger entrance,
The outlet of level-one cold header heat exchanger connects the entrance of the liquid collecting tank (4), and liquid collecting tank (4) gas vent is connected to two level cold head and changes
Hot device import, the outlet of two level cold header heat exchanger are connected to one import of gas after purification of first-class heat exchanger (2) cold end, first-class heat exchanger
(2) hot junction is exported for gas one after purification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037887.XA CN108266966A (en) | 2018-01-16 | 2018-01-16 | The Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037887.XA CN108266966A (en) | 2018-01-16 | 2018-01-16 | The Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108266966A true CN108266966A (en) | 2018-07-10 |
Family
ID=62775548
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810037887.XA Withdrawn CN108266966A (en) | 2018-01-16 | 2018-01-16 | The Cryo Equipment for detaching and purifying for gas based on small-sized Cryo Refrigerator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981287A (en) * | 2018-09-09 | 2018-12-11 | 杭州紫明冷链科技有限责任公司 | A kind of anti-icing stifled multistage drain formula liquefier |
| CN112963980A (en) * | 2021-04-01 | 2021-06-15 | 哈尔滨工业大学 | Cold head heat exchanger |
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| CN1130753A (en) * | 1995-03-03 | 1996-09-11 | 孙克锟 | Air separating method and equipment |
| CN102564066A (en) * | 2012-02-10 | 2012-07-11 | 南京柯德超低温技术有限公司 | Low-temperature device for separating and purifying gas based on small-sized low-temperature refrigerating machine |
| CN202470623U (en) * | 2012-02-10 | 2012-10-03 | 南京柯德超低温技术有限公司 | Low temperature device based on small-sized low temperature refrigerating machine for gas separation and purification |
| CN103776237A (en) * | 2012-10-22 | 2014-05-07 | 中国科学院理化技术研究所 | Multi-refrigerator precooling helium liquefaction device having redundancy inner purification function |
| JP2015183922A (en) * | 2014-03-24 | 2015-10-22 | 大陽日酸株式会社 | Air liquefaction separation method and device |
| CN205939413U (en) * | 2016-08-16 | 2017-02-08 | 中船重工鹏力（南京）超低温技术有限公司 | Indoor harmful gas remove device based on low temperature cold source |
-
2018
- 2018-01-16 CN CN201810037887.XA patent/CN108266966A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130753A (en) * | 1995-03-03 | 1996-09-11 | 孙克锟 | Air separating method and equipment |
| CN102564066A (en) * | 2012-02-10 | 2012-07-11 | 南京柯德超低温技术有限公司 | Low-temperature device for separating and purifying gas based on small-sized low-temperature refrigerating machine |
| CN202470623U (en) * | 2012-02-10 | 2012-10-03 | 南京柯德超低温技术有限公司 | Low temperature device based on small-sized low temperature refrigerating machine for gas separation and purification |
| CN103776237A (en) * | 2012-10-22 | 2014-05-07 | 中国科学院理化技术研究所 | Multi-refrigerator precooling helium liquefaction device having redundancy inner purification function |
| JP2015183922A (en) * | 2014-03-24 | 2015-10-22 | 大陽日酸株式会社 | Air liquefaction separation method and device |
| CN205939413U (en) * | 2016-08-16 | 2017-02-08 | 中船重工鹏力（南京）超低温技术有限公司 | Indoor harmful gas remove device based on low temperature cold source |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981287A (en) * | 2018-09-09 | 2018-12-11 | 杭州紫明冷链科技有限责任公司 | A kind of anti-icing stifled multistage drain formula liquefier |
| CN112963980A (en) * | 2021-04-01 | 2021-06-15 | 哈尔滨工业大学 | Cold head heat exchanger |
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Application publication date: 20180710 |
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