CN103983066A - Device for carrying out extremely-low-temperature cryogenic treatment by separately using liquid nitrogen and liquid helium - Google Patents
Device for carrying out extremely-low-temperature cryogenic treatment by separately using liquid nitrogen and liquid helium Download PDFInfo
- Publication number
- CN103983066A CN103983066A CN201410195371.XA CN201410195371A CN103983066A CN 103983066 A CN103983066 A CN 103983066A CN 201410195371 A CN201410195371 A CN 201410195371A CN 103983066 A CN103983066 A CN 103983066A
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- Prior art keywords
- liquid nitrogen
- liquid helium
- described liquid
- deep
- helium
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 239000007788 liquid Substances 0.000 title claims abstract description 185
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 97
- 239000001307 helium Substances 0.000 title claims abstract description 94
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 94
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention relates to a device for carrying out extremely-low-temperature cryogenic treatment by separately using liquid nitrogen and liquid helium. The device comprises a liquid nitrogen cryogenic tank and a liquid helium cryogenic tank, wherein temperature sensors are arranged at the inner part of the liquid nitrogen cryogenic tank and the liquid helium cryogenic tank respectively, a hot air passage is arranged between the liquid nitrogen cryogenic tank and the liquid helium cryogenic tank, the hot air passage is connected with a first remote control valve, the liquid nitrogen cryogenic tank is internally provided with a fan, the liquid nitrogen cryogenic tank is provided with a temperature sensing signal transmitter and a fan remote control power supply switch, the liquid helium cryogenic tank is connected with a liquid helium inlet pipe and a liquid helium pressure exhaust pipe, the liquid nitrogen cryogenic tank is internally provided with a liquid nitrogen pressure exhaust pipe and a liquid nitrogen inlet pipe, the liquid helium inlet pipe and the liquid nitrogen inlet pipe are provided with second remote control electromagnetic valves, the liquid helium pressure exhaust pipe and the liquid helium pressure exhaust pipe are provided with third remote control valves, and the first remote control valve, the temperature sensing signal transmitter, the fan remote control power supply switch, the second remote control electromagnetic valves and the third remote control electromagnetic valves are all connected with a CPU (Central Processing Unit). The device disclosed by the invention has the advantage that the final temperature is achieved by adopting distributed cooling.
Description
Technical field
The present invention relates to a kind of cryogenic treatment apparatus, particularly a kind of releasable is used liquid nitrogen and liquid helium to carry out the device of utmost point deep-cool treatment.
Background technology
Liquid helium as a kind of can reach approach Celsius-200 degree deep cooling media be generally used in subzero treatment, the subzero treatment of lower temperature is commonly referred to as utmost point deep-cool treatment, reach-250 degree left and right Celsius, while carrying out utmost point deep-cool treatment again, not only need to use different cold medias, and need on deep freeze refrigeration plant, improve, current deep freeze refrigeration plant is mostly the cabinet type design of one-piece box, adopt high density insulation material to be incubated, but because liquid helium can reach-250 degree left and right Celsius, current insulation material is to be not enough to reach heat insulation effect, therefore need to adopt different mentalities of designing, and liquid helium is a kind of rare and expensive gas, if omnidistance, use liquid helium to carry out subzero treatment, cause waste, increase production cost.
Summary of the invention
The object of the invention is in order to overcome above deficiency, provide a kind of employing distribution the cooling final temperature that reaches, the releasable that improves utilization rate of equipment and installations is used liquid nitrogen and liquid helium to carry out the device of utmost point deep-cool treatment.
Object of the present invention is achieved through the following technical solutions: a kind of releasable is used liquid nitrogen and liquid helium to carry out the device of utmost point deep-cool treatment, the liquid nitrogen deep case and the liquid helium deep cooling box that comprise chamber type, liquid helium deep cooling box is placed in the inside of liquid nitrogen deep case, in the internal cavities of liquid nitrogen deep case and liquid helium deep cooling box, be equipped with temperature sensor, in the sidewall of liquid nitrogen deep case and liquid helium deep cooling box, all run through and be provided with hot-air channel, two hot-air channels are all connected with the first remote-controlled valve, in the cavity of liquid nitrogen deep case, be provided with fan, liquid nitrogen deep case is provided with the temperature sensor signal transmitter being connected with temperature sensor, the fan remote-controlled power switch being connected with fan, liquid helium deep cooling box is connected with liquid helium inlet tube and liquid helium pressure exhaust pipe, one end of liquid helium inlet tube and liquid helium pressure exhaust pipe is all placed in the cavity of liquid helium deep cooling box, in liquid nitrogen deep case, run through and be provided with liquid nitrogen pressure exhaust pipe and liquid nitrogen inlet tube, one end of liquid nitrogen pressure exhaust pipe and liquid nitrogen inlet tube all communicates with the cavity of liquid nitrogen deep case, liquid helium inlet tube and liquid nitrogen inlet tube are placed on one end of liquid nitrogen deep case outside and are equipped with the second remote control magnetic valve, liquid helium pressure exhaust pipe and liquid nitrogen pressure exhaust pipe are placed on one end of liquid nitrogen deep case outside and are equipped with the 3rd remote control magnetic valve, the first remote-controlled valve, temperature sensor signal transmitter, fan remote-controlled power switch, the second remote control magnetic valve is all connected with central processing unit by wired or wireless with the 3rd remote control magnetic valve.
Further improvement of the present invention is: on described liquid helium inlet tube and liquid helium pressure exhaust pipe, be equipped with pipe joint.
Further improvement of the present invention is: described liquid nitrogen deep case and liquid helium deep cooling box are synchronously usingd liquid nitrogen as deep cooling medium, by control program, ease down in order Celsius-180-190 degree low temperature, after reaching appointment low temperature, liquid nitrogen deep case will remain on assigned temperature, cause a low temperature external environment, then under programme-control, liquid helium progressively enters described liquid helium deep cooling box, replace liquid nitrogen, the temperature of that temperature is further dropped to is Celsius-250 degree or appointment, after subzero treatment finishes, the inner helium of liquid helium deep cooling box is progressively replaced by nitrogen, temperature recovery is to Celsius-180-190 degree left and right, further rising again in process, liquid nitrogen deep case is risen again by heating, liquid helium deep cooling box is sent to the hot-air producing in liquid nitrogen deep case in liquid helium deep cooling box and is progressively risen again by the hot-air channel of opening between two casees.
The present invention compared with prior art has the following advantages: adopt chamber type structure, periphery is liquid nitrogen deep case, inside is liquid helium deep cooling box, then adopts " distribution Deep Cooling Method ", first uses cooled with liquid nitrogen, then add liquid helium further cooling, finally reach assigned temperature, reduce production cost, by adopting central controller remote control that control centre is separated with deep cooling box, further improve the simplicity of operation, increased the possibility of network control.
accompanying drawing explanation:
Fig. 1 is structural representation of the present invention;
Number in the figure: 1-liquid nitrogen deep case, 2-liquid helium deep cooling box, 3-temperature sensor, 4-hot-air channel, 5-the first remote-controlled valve, 6-fan, 7-temperature sensor signal transmitter, 8-fan remote-controlled power switch, 9-liquid helium inlet tube, 10-liquid helium pressure exhaust pipe, 11-the second remote control magnetic valve, 12-liquid nitrogen pressure exhaust pipe, 13-liquid nitrogen inlet tube, 14-the 3rd remote control magnetic valve, 15-central processing unit, 16-pipe joint.
the specific embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
As showing a kind of releasable of the present invention, Fig. 1 use liquid nitrogen and liquid helium to carry out the specific embodiment of the device of utmost point deep-cool treatment, the liquid nitrogen deep case 1 and the liquid helium deep cooling box 2 that comprise chamber type, liquid helium deep cooling box 2 is placed in the inside of liquid nitrogen deep case 1, in the internal cavities of liquid nitrogen deep case 1 and liquid helium deep cooling box 2, be equipped with temperature sensor 3, in the sidewall of liquid nitrogen deep case 1 and liquid helium deep cooling box 2, all run through and be provided with hot-air channel 4, two hot-air channels 4 are all connected with the first remote-controlled valve 5, in the cavity of liquid nitrogen deep case 1, be provided with fan 6, liquid nitrogen deep case 1 is provided with the temperature sensor signal transmitter 7 being connected with temperature sensor 3, the fan remote-controlled power switch 8 being connected with fan 6, liquid helium deep cooling box 2 is connected with liquid helium inlet tube 9 and liquid helium pressure exhaust pipe 10, one end of liquid helium inlet tube 9 and liquid helium pressure exhaust pipe 10 is all placed in the cavity of liquid helium deep cooling box 2, in liquid nitrogen deep case 1, run through and be provided with liquid nitrogen pressure exhaust pipe 12 and liquid nitrogen inlet tube 13, one end of liquid nitrogen pressure exhaust pipe 12 and liquid nitrogen inlet tube 13 all communicates with the cavity of liquid nitrogen deep case 1, liquid helium inlet tube 9 and liquid nitrogen inlet tube 13 are placed on one end of liquid nitrogen deep case 1 outside and are equipped with the second remote control magnetic valve 11, liquid helium pressure exhaust pipe 10 and liquid nitrogen pressure exhaust pipe 12 are placed on one end of liquid nitrogen deep case 1 outside and are equipped with the 3rd remote control magnetic valve 14, the first remote-controlled valve 5, temperature sensor signal transmitter 7, fan remote-controlled power switch 8, the second remote control magnetic valve 11 is all connected with central processing unit 15 by wired or wireless with the 3rd remote control magnetic valve 14, on liquid helium inlet tube 9 and liquid helium pressure exhaust pipe 10, be equipped with pipe joint 16.
Device of the present invention adopts chamber type, periphery is liquid nitrogen deep case 1, inside is liquid helium deep cooling box 2, adopt " distribution Deep Cooling Method ", first use cooled with liquid nitrogen, then add liquid helium further cooling, finally reach assigned temperature, by adopting central controller remote control that control centre is separated with deep cooling box, further improved the simplicity of operation, increased the possibility of network control, when using, liquid nitrogen deep case 1 and liquid helium deep cooling box 2 will synchronously be usingd liquid nitrogen as deep cooling medium, by control program, ease down in order Celsius-180-190 degree low temperature, after reaching appointment low temperature, liquid nitrogen deep case will remain on assigned temperature, cause a low temperature external environment, then under programme-control, liquid helium progressively enters liquid helium deep cooling box 2, replace liquid nitrogen, the temperature of that temperature is further dropped to is Celsius-250 degree or appointment, after subzero treatment finishes, the inner helium of liquid helium deep cooling box 2 is progressively replaced by nitrogen, temperature recovery is to Celsius-180-190 degree left and right, further rising again in process, liquid nitrogen deep case 1 is mainly risen again by heating, liquid helium deep cooling box 2 is sent to the hot-air of liquid nitrogen deep case 1 interior generation in liquid helium deep cooling box and is progressively risen again by the hot-air channel of opening between two casees.Liquid nitrogen deep case 1 can be connected with liquid helium deep cooling box 2 by section of tubing and for the deep cooling of low temperature, also can separate, use separately liquid nitrogen to process, the availability of the equipment having improved, this deep freeze refrigeration plant can pass through line in succession with central processing unit 15, also can adopt wireless connection method as described in this method.The latter will further improve automation and the scale of producing and the possibility that Long-distance Control is provided.
Claims (3)
1. a releasable is used liquid nitrogen and liquid helium to carry out the device of utmost point deep-cool treatment, it is characterized in that: the liquid nitrogen deep case (1) and the liquid helium deep cooling box (2) that comprise chamber type, described liquid helium deep cooling box (2) is placed in the inside of described liquid nitrogen deep case (1), in the internal cavities of described liquid nitrogen deep case (1) and described liquid helium deep cooling box (2), be equipped with temperature sensor (3), in the sidewall of described liquid nitrogen deep case (1) and described liquid helium deep cooling box (2), all run through and be provided with hot-air channel (4), two described hot-air channels (4) are all connected with the first remote-controlled valve (5), in the cavity of described liquid nitrogen deep case (1), be provided with fan (6), described liquid nitrogen deep case (1) is provided with the temperature sensor signal transmitter (7) being connected with temperature sensor (3), the fan remote-controlled power switch (8) being connected with fan (6), described liquid helium deep cooling box (2) is connected with liquid helium inlet tube (9) and liquid helium pressure exhaust pipe (10), one end of described liquid helium inlet tube (9) and described liquid helium pressure exhaust pipe (10) is all placed in the cavity of described liquid helium deep cooling box (2), in described liquid nitrogen deep case (1), run through and be provided with liquid nitrogen pressure exhaust pipe (12) and liquid nitrogen inlet tube (13), one end of described liquid nitrogen pressure exhaust pipe (12) and described liquid nitrogen inlet tube (13) all communicates with the cavity of described liquid nitrogen deep case (1), described liquid helium inlet tube (9) and described liquid nitrogen inlet tube (13) are placed on the outside one end of described liquid nitrogen deep case (1) and are equipped with the second remote control magnetic valve (11), described liquid helium pressure exhaust pipe (10) and described liquid nitrogen pressure exhaust pipe (12) are placed on the outside one end of described liquid nitrogen deep case (1) and are equipped with the 3rd remote control magnetic valve (14), described the first remote-controlled valve (5), temperature sensor signal transmitter (7), fan remote-controlled power switch (8), the second remote control magnetic valve (11) is all connected with central processing unit (15) by wired or wireless with the 3rd remote control magnetic valve (14).
2. a kind of releasable is used liquid nitrogen and liquid helium to carry out the device of utmost point deep-cool treatment according to claim 1, it is characterized in that: on described liquid helium inlet tube (9) and described liquid helium pressure exhaust pipe (10), be equipped with pipe joint (16).
3. a kind of releasable is used liquid nitrogen and liquid helium to carry out the device of utmost point deep-cool treatment according to claim 1, it is characterized in that: described liquid nitrogen deep case (1) and described liquid helium deep cooling box (2) are synchronously usingd liquid nitrogen as deep cooling medium, by control program, ease down in order Celsius-180-190 degree low temperature, after reaching appointment low temperature, described liquid nitrogen deep case (1) will remain on assigned temperature, cause a low temperature external environment, then under programme-control, liquid helium progressively enters described liquid helium deep cooling box (2), replace liquid nitrogen, the temperature of that temperature is further dropped to is Celsius-250 degree or appointment, after subzero treatment finishes, the inner helium of liquid helium deep cooling box (2) is progressively replaced by nitrogen, temperature recovery is to Celsius-180-190 degree left and right, further rising again in process, liquid nitrogen deep case (1) is risen again by heating, described liquid helium deep cooling box (2) is sent to the hot-air producing in liquid nitrogen deep case (1) in liquid helium deep cooling box and is progressively risen again by the hot-air channel of opening between two casees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195371.XA CN103983066B (en) | 2014-05-12 | 2014-05-12 | A kind of releasable uses liquid nitrogen and liquid helium to carry out the device of pole deep-cool treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195371.XA CN103983066B (en) | 2014-05-12 | 2014-05-12 | A kind of releasable uses liquid nitrogen and liquid helium to carry out the device of pole deep-cool treatment |
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| Publication Number | Publication Date |
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| CN103983066A true CN103983066A (en) | 2014-08-13 |
| CN103983066B CN103983066B (en) | 2016-07-27 |
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| CN201410195371.XA Active CN103983066B (en) | 2014-05-12 | 2014-05-12 | A kind of releasable uses liquid nitrogen and liquid helium to carry out the device of pole deep-cool treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068132A (en) * | 2021-10-15 | 2022-02-18 | 江苏美时医疗技术有限公司 | Liquid helium circulation-based nuclear magnetic resonance ultrahigh field magnet circulation refrigeration device |
| CN115123695A (en) * | 2021-03-29 | 2022-09-30 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Vehicle-mounted refrigeration medium storage device and superconducting magnetic levitation train |
Citations (5)
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| JPH04172A (en) * | 1990-04-16 | 1992-01-06 | Nec Corp | Low temperature control system and device used for the system |
| CN101216233A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | Controllable temperature deep cooling processing system based on self supercharging cryogenic fluids conveying technology |
| CN102767928A (en) * | 2012-07-12 | 2012-11-07 | 太原科技大学 | Energy-saving deep cooling box |
| CN203258946U (en) * | 2013-05-10 | 2013-10-30 | 科威嘉尼（北京）科技有限公司 | Temperature control liquid nitrogen quick freezing device |
| CN203869404U (en) * | 2014-05-12 | 2014-10-08 | 南通天工深冷新材料强化有限公司 | Split type device for extremely low temperature deep cold treatment by using liquid nitrogen and liquid helium |
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2014
- 2014-05-12 CN CN201410195371.XA patent/CN103983066B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172A (en) * | 1990-04-16 | 1992-01-06 | Nec Corp | Low temperature control system and device used for the system |
| CN101216233A (en) * | 2008-01-14 | 2008-07-09 | 浙江大学 | Controllable temperature deep cooling processing system based on self supercharging cryogenic fluids conveying technology |
| CN102767928A (en) * | 2012-07-12 | 2012-11-07 | 太原科技大学 | Energy-saving deep cooling box |
| CN203258946U (en) * | 2013-05-10 | 2013-10-30 | 科威嘉尼（北京）科技有限公司 | Temperature control liquid nitrogen quick freezing device |
| CN203869404U (en) * | 2014-05-12 | 2014-10-08 | 南通天工深冷新材料强化有限公司 | Split type device for extremely low temperature deep cold treatment by using liquid nitrogen and liquid helium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123695A (en) * | 2021-03-29 | 2022-09-30 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Vehicle-mounted refrigeration medium storage device and superconducting magnetic levitation train |
| CN114068132A (en) * | 2021-10-15 | 2022-02-18 | 江苏美时医疗技术有限公司 | Liquid helium circulation-based nuclear magnetic resonance ultrahigh field magnet circulation refrigeration device |
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| CN103983066B (en) | 2016-07-27 |
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Effective date of registration: 20220118 Address after: 226000 floor 2, block C, No. 128, Changtai Road, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Tianding Information Consulting Co.,Ltd. Address before: 226000 room 206, block C, No. 128, Changtai Road, Gangzha District, Nantong City, Jiangsu Province Patentee before: NANTONG CRYOTHERM TIANGONG CO.,LTD. |
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Effective date of registration: 20240523 Address after: 226000 floor 2, block C, No. 128, Changtai Road, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Tianhan Cryogenic Technology Co.,Ltd. Country or region after: China Address before: 226000 floor 2, block C, No. 128, Changtai Road, Chongchuan District, Nantong City, Jiangsu Province Patentee before: Nantong Tianding Information Consulting Co.,Ltd. Country or region before: China |