CN208819681U - A kind of auxiliary cooling device and cooling equipment - Google Patents
A kind of auxiliary cooling device and cooling equipment Download PDFInfo
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- CN208819681U CN208819681U CN201821902929.3U CN201821902929U CN208819681U CN 208819681 U CN208819681 U CN 208819681U CN 201821902929 U CN201821902929 U CN 201821902929U CN 208819681 U CN208819681 U CN 208819681U
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Abstract
This application discloses a kind of auxiliary cooling devices and cooling equipment, auxiliary cooling device provided by the present application is when in use, cryogenic liquid is injected into heat pipe by inlet tube, cryogenic liquid is transmitted to heat sink by heat pipe, the heat of the heat sink cooled high temperature superconductor coil for absorbing connection, and the cryogenic liquid constantly injected in heat pipe takes away the heat of heat sink absorption further through muffler, and then cooled high temperature superconductor coil is cooled down, when high temperature superconductor coil is cooled to cryogenic liquid temperature, by inlet tube, the inside of heat pipe and muffler vacuumizes, close feed liquor vacuum valve and return-air vacuum valve, make inlet tube, heat pipe and muffler keep vacuum state, cooling down is continued to high temperature superconductor coil by refrigeration machine again, reduce the cooling time of refrigeration machine, it solves the existing superconducting magnet of solution and directlys adopt refrigeration machine progress low temperature Cooling, it is too long that there are temperature fall times, thus the technical issues of restricting the application of superconducting magnet.
Description
Technical field
This application involves heat-transfer equipment technical field more particularly to a kind of auxiliary cooling devices and cooling equipment.
Background technique
The development of superconductor technology brings qualitative leap to electrotechnics, obtains in field of strong electricity and light current field
It is widely applied.
Superconducting magnet needs to maintain superconducting temperature hereinafter, just can guarantee normal operation.Traditional superconducting magnet cooling side
Formula is usually that superconducting magnet is immersed in cryogenic liquid, does coolant using cryogenic medias such as liquid helium, liquid nitrogen and is cooled down, and
The cooling device being most widely used is refrigeration machine.Document " the direct cooling high-temperature superconducting magnetic energy storage systems of 150kJ/100kW " (Xu
Grain husk, Ren Li, Tang Yuejin wait the direct cooling high-temperature superconducting magnetic energy storage systems energy storage science and technology of .150kJ/100kW, and 2015,4
(4): 394-401 a kind of conduction cooling high temperature superconducting loop construction) is proposed, uses two refrigeration machines and conduction structure to super
Magnetizer is cooled down, wherein monopole refrigeration machine is used to cooling superconducting magnets, and the two-stage cold head of two stage cooler is respectively intended to cold
But current feed and radiation shield.The experimental results showed that also taking about 35 hours will just surpass even with two refrigeration machines
Magnetizer is cooled to 17.7K.
Compared with cryogenic liquid immersion type superconducting magnet, the superconducting magnet of cryocooler cooled needs to pass through refrigeration completely
The cooling capacity of machine cold head output is cooled down, and the refrigeration work consumption of Cryo Refrigerator is relatively low.With widely used one kind
For refrigeration machine, refrigeration work consumption of the second level cold head of refrigeration machine at 4.2K is only 1.5W, according to 1 refrigeration machine by 100kg
Superconducting magnet (it is assumed that based on copper) be cooled to 4.2K from 300K, then need about 1450 hours.Obviously, so long cooling
Time will greatly restrict the application of conduction cooling superconducting magnet.
Utility model content
This application provides a kind of auxiliary cooling devices and cooling equipment, directly adopt for solving existing superconducting magnet
Refrigeration machine carries out sub-cooled, and it is too long that there are temperature fall times, thus the technical issues of restricting the application of superconducting magnet.
The application first aspect provides a kind of auxiliary cooling device, comprising: heat pipe, heat sink, inlet tube, muffler, into
Liquid vacuum valve and return-air vacuum valve；
The heat pipe is bending coil pipe；
It is described heat sink to be fixedly connected by the first fixation kit with the heat pipe；
It is described it is heat sink connect with high temperature superconductor coil, and fixed by the second fixation kit；
The feed liquor vacuum valve is set on the inlet tube；
The return-air vacuum valve is set on the muffler.
Preferably, the inlet tube is feed liquor straight tube, and the muffler is return-air straight tube.
Preferably, the junction of the inlet tube and the heat pipe, which passes through, is welded and fixed, the muffler and the heat pipe
Junction by being welded and fixed.
Preferably, first fixation kit and second fixation kit include: bolt and flange.
Preferably, described heat sink upper coated with low temperature heat-conducting silicone grease.
Preferably, the heat pipe and the heat sink contact position, described heat sink with the contact of the high temperature superconductor coil
Position is coated with thermal grease conduction.
Preferably, the flange and it is described it is heat sink be cyclic structure, the flange and the heat sink internal diameter are
300mm, the flange and the heat sink outer diameter are 500mm.
Preferably, the section of the heat pipe is 10mm × 10mm, and the wall thickness of the heat pipe is 0.5mm.
Preferably, the heat pipe is high thermal conductivity material, and the inlet tube and the muffler are low heat-conducting.
The application second aspect provides a kind of cooling equipment, comprising: refrigeration machine, low-temperature (low temperature) vessel and as described in relation to the first aspect
Auxiliary cooling device；
The auxiliary cooling device and the high temperature superconductor coil are both placed in the low-temperature (low temperature) vessel of sealing, the inlet tube
It is pierced by the low-temperature (low temperature) vessel by the first through hole of the upper cover of the low-temperature (low temperature) vessel, the muffler passes through the low-temperature (low temperature) vessel
Second through-hole of upper cover is pierced by the low-temperature (low temperature) vessel, and the feed liquor vacuum valve and the return-air vacuum valve are arranged at the upper cover
It is external；
The refrigeration machine is connect by the third through-hole of the upper cover of the low-temperature (low temperature) vessel with the low-temperature (low temperature) vessel；
The refrigeration machine and the junction of the upper cover are fixed by welded seal.
As can be seen from the above technical solutions, the application has the following advantages:
A kind of auxiliary cooling device provided herein, comprising: heat pipe, heat sink, inlet tube, muffler, feed liquor vacuum
Valve and return-air vacuum valve；Heat pipe is bending coil pipe；It is heat sink to be fixedly connected by the first fixation kit with heat pipe；It is heat sink super with high temperature
Loop connection, and fixed by the second fixation kit；Feed liquor vacuum valve is set on inlet tube；Return-air vacuum valve is set to back
On tracheae.Auxiliary cooling device provided by the present application increases heat pipe on the basis of general refrigerator direct cooling super-conducting device
With it is heat sink, when in use, cryogenic liquid is injected into heat pipe by inlet tube, cryogenic liquid is transmitted to heat sink, heat sink suction by heat pipe
The heat of the cooled high temperature superconductor coil of connection is received, and the cryogenic liquid constantly injected in heat pipe will be heat sink further through muffler
The heat of absorption is taken away, and then cools down to cooled high temperature superconductor coil, when high temperature superconductor coil is cooled to Low Temperature Liquid
When temperature, the inside of inlet tube, heat pipe and muffler is vacuumized, feed liquor vacuum valve and return-air vacuum valve is closed, makes feed liquor
Pipe, heat pipe and muffler keep vacuum state, then continue cooling down to high temperature superconductor coil by refrigeration machine, reduce refrigeration
It solves the existing superconducting magnet of solution and directlys adopt refrigeration machine progress sub-cooled the cooling time of machine, there are temperature fall times
It is too long, thus the technical issues of restricting the application of superconducting magnet.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is a kind of structural schematic diagram of the auxiliary cooling device provided in the embodiment of the present application；
Fig. 2 is a kind of structural schematic diagram of the cooling equipment provided in the embodiment of the present application；
Wherein, appended drawing reference are as follows:
1, heat pipe；2, inlet tube；3, muffler；4, feed liquor vacuum valve；5, return-air vacuum valve；6, heat sink；7, high-temperature superconductor
Coil；8, upper cover；9, refrigeration machine.
Specific embodiment
This reality application embodiment discloses a kind of auxiliary cooling device and cooling equipment, for solving existing superconducting magnet
It directlys adopt refrigeration machine and carries out sub-cooled, it is too long that there are temperature fall times, thus the technical issues of restricting the application of superconducting magnet.
In order to make it easy to understand, please refer to Fig. 1 and Fig. 2, this application provides a kind of one embodiment of auxiliary cooling device,
Auxiliary cooling device provided by the embodiments of the present application, comprising: heat pipe 1, heat sink 6, inlet tube 2, muffler 3,4 and of feed liquor vacuum valve
Return-air vacuum valve 5；
Heat pipe 1 is bending coil pipe；
Heat sink 6 are fixedly connected by the first fixation kit with heat pipe 1；
Heat sink 6 connect with high temperature superconductor coil 6, and are fixed by the second fixation kit；
Feed liquor vacuum valve 4 is set on inlet tube 2；
Return-air vacuum valve 5 is set on muffler 3.
It should be noted that auxiliary cooling device and high temperature superconductor coil 7 are both placed in the low-temperature (low temperature) vessel of sealing, feed liquor
Pipe 2 is pierced by low-temperature (low temperature) vessel by the first through hole of the upper cover 8 of low-temperature (low temperature) vessel, and muffler 3 passes through the second of the upper cover 8 of low-temperature (low temperature) vessel
Through-hole is pierced by low-temperature (low temperature) vessel, and feed liquor vacuum valve 4 and return-air vacuum valve 5 are arranged at outside upper cover 8.
High temperature superconductor coil is superconducting magnet.The auxiliary cooling device provided in the embodiment of the present application is in conventional system
On the basis of the direct cooling super-conducting device of cold 9 increase heat pipe 1 and heat sink 6, heat pipe 1 and heat sink 6 by the first fixation kit into
Row it is good it is thermally conductive be connected and fixed, and heat sink 6 are fixed on cooled high temperature superconductor coil 7 by the second fixation kit, Gu
Timing should increase the contact area between heat pipe 1 and heat sink 6, heat sink 6 and cooled high temperature superconductor coil 7 as far as possible.In use,
Cryogenic liquid (such as liquid nitrogen, liquid argon) is injected into heat pipe 1, cryogenic liquid is transmitted to heat sink 6 by heat pipe 1.Heat sink 6 absorb connection
The heat of cooled high temperature superconductor coil 7, and the cryogenic liquid constantly injected in heat pipe 1 takes away the heat that heat sink 6 absorb,
And then cooled high temperature superconductor coil 7 is cooled down.Since cryogenic liquid at most can only be cold by cooled high temperature superconductor coil 7
But the temperature of cryogenic liquid itself is arrived, therefore after high temperature superconductor coil 7 reaches the temperature value of cryogenic liquid, needs to start normal
The refrigeration machine 9 of cryocooler cooled device carries out continuing to cool down to high temperature superconductor coil 7.It at the same time, will be inside heat pipe 1
It is evacuated, and keeps the vacuum of heat pipe 1 by feed liquor vacuum valve 4 and return-air vacuum valve 5, to reduce the leakage heat of heat pipe 1.
Cooling down first is carried out using auxiliary cooling device, can reach and reduce refrigeration machine 9 to the mesh of 7 temperature fall time of high temperature superconductor coil
's.
A kind of auxiliary cooling device provided in the embodiment of the present application, comprising: heat pipe 1, heat sink 6, inlet tube 2, muffler
3, feed liquor vacuum valve 4 and return-air vacuum valve 5；Heat pipe 1 is bending coil pipe；Heat sink 6 connect by the way that the first fixation kit and heat pipe 1 are fixed
It connects；Heat sink 6 connect with high temperature superconductor coil 7, and are fixed by the second fixation kit；Feed liquor vacuum valve 4 is set to inlet tube 2
On；Return-air vacuum valve 5 is set on muffler 3；The low temperature that auxiliary cooling device and high temperature superconductor coil 7 are both placed in sealing holds
In device, inlet tube 2 is pierced by low-temperature (low temperature) vessel by the first through hole of the upper cover 8 of low-temperature (low temperature) vessel, and muffler 3 is upper by low-temperature (low temperature) vessel
Second through-hole of lid 8 is pierced by low-temperature (low temperature) vessel, and feed liquor vacuum valve 4 and return-air vacuum valve 5 are arranged at outside upper cover 8.The application mentions
The auxiliary cooling device of confession increases heat pipe 1 and heat sink 2, makes on the basis of 9 direct cooling super-conducting device of general refrigerator
Cryogenic liquid is injected heat pipe 1 by inlet tube 4 by the used time, and cryogenic liquid is transmitted to heat sink 6, heat sink 6 and absorbs connection by heat pipe 1
Cooled high temperature superconductor coil 7 heat, and the cryogenic liquid constantly injected in heat pipe 1 is inhaled further through muffler 3 by heat sink 6
The heat of receipts is taken away, and then cools down to cooled high temperature superconductor coil 7, when high temperature superconductor coil 7 is cooled to Low Temperature Liquid
When temperature, the inside of inlet tube 2, heat pipe 1 and muffler 3 is vacuumized, feed liquor vacuum valve 4 and return-air vacuum valve 5 is closed, makes
Inlet tube 2, heat pipe 1 and muffler 3 keep vacuum state, then continue cooling down to high temperature superconductor coil 7 by refrigeration machine 9,
It solves the existing superconducting magnet of solution and directlys adopt the progress sub-cooled of refrigeration machine 9 cooling time for reducing refrigeration machine 9,
It is too long that there are temperature fall times, thus the technical issues of restricting the application of superconducting magnet.
It is a kind of one embodiment of auxiliary cooling device provided by the present application above, is one kind provided by the present application below
Another embodiment of auxiliary cooling device.
Fig. 1 and Fig. 2 are please referred to, this application provides a kind of another embodiment of auxiliary cooling device, the application is implemented
A kind of auxiliary cooling device that example provides, comprising: heat pipe 1, heat sink 6, inlet tube 2, muffler 3, feed liquor vacuum valve 4 and return-air are true
Empty valve 5；
Heat pipe 1 is bending coil pipe, and the every circle of heat pipe 1 is provided with interval；
Heat sink 6 are set in interval, and are fixedly connected by the first fixation kit with heat pipe 1；
Heat sink 6 connect with high temperature superconductor coil 6, and are fixed by the second fixation kit；
Feed liquor vacuum valve 4 is set on inlet tube 2；
Return-air vacuum valve 5 is set on muffler 3.
Further, inlet tube 2 is feed liquor straight tube, and muffler 3 is return-air straight tube.
It should be noted that inlet tube 2 can be feed liquor straight tube in the embodiment of the present application, it is straight that muffler 3 can be return-air
Pipe, the design form of straight tube are conducive to the unimpeded transmission of liquids and gases, improve cooling efficiency.
Further, for inlet tube 2 with the junction of heat pipe 1 by being welded and fixed, the junction of muffler 3 and heat pipe 1 is logical
Welded seal is crossed to fix.
Further, the first fixation kit and the second fixation kit include: bolt and flange.
Further, low temperature heat-conducting silicone grease is coated on heat sink 6.
Further, the contact position of the contact position of heat pipe 1 and heat sink 6, heat sink 6 and high temperature superconductor coil 7, is coated with
There is thermal grease conduction.
Further, flange and heat sink 6 is cyclic structure, and flange and heat sink 6 internal diameter are 300mm, flange and heat sink
Outer diameter be 500mm.
Further, the section of heat pipe 1 is 10mm × 10mm, and the wall thickness of heat pipe 1 is 0.5mm.
Further, heat pipe 1 is high thermal conductivity material, and inlet tube 2 and muffler 3 are low heat-conducting.
It should be noted that heat sink 6 have the metal block material of higher heat-conductivity using copper, aluminium etc. in the embodiment of the present application
It is process, is bolted on above the upper flange of high temperature superconductor coil 7, shape is needed according to cooled high-temperature superconductor
7 flange arrangement of coil determines, is advisable with being bonded the upper flange of high temperature superconductor coil 7 as far as possible.Heat sink 6 upper and lower surface need to process flat
It is whole, it needs to coat low temperature heat-conducting silicone grease on it when in use, so as between heat pipe 1 and heat sink 6, heat sink 6 and high temperature superconductor coil 7
Fitting is more closely.
In the embodiment of the present application, the upper flange of high temperature superconductor coil 7 is the cyclic structure of internal diameter 300mm, outer diameter 500mm,
Therefore heat sink 6 the ring-type for being processed into internal diameter 300mm, outer diameter 500mm with a thickness of the copper plate of 20mm is used, and be bolted
Above the upper flange of high temperature superconductor coil 7.Heat sink upper and lower surface need to process smooth, need to coat low temperature on it when in use
Heat-conducting silicone grease, to be bonded more closely between heat pipe 1 and heat sink 6, heat sink 6 and high temperature superconductor coil 7.In the present embodiment,
Heat pipe 1 and heat sink 6 contact site, heat sink 6 and 7 contact site of high temperature superconductor coil etc. are coated with thermal grease conduction.
In the embodiment of the present application, heat pipe 1 using copper, aluminium etc. there is the material of high heat conductance to make, and be bolted
Above heat sink 6.It is bonded to be better with heat sink 6, heat pipe 1 can choose as rectangular section or other arbitrarily be bonded with heat sink 6
Convenient section form.Heat pipe 1 can use section to be bent for 10mm × 10mm, the copper tube that wall thickness is 0.5mm.Heat pipe
1 with heat sink contact position as far as possible more is being bent, when bending not damage pipeline under the premise of increase as far as possible under same homalographic
Big heat exchange area.Inlet tube 2 is operated normally for cryogenic liquid to be injected into heat pipe 1 from the outside of low-temperature (low temperature) vessel to reduce
When the conductive heat leakage through inlet tube 2, inlet tube 2 can be using the lower material production of the thermal conductivities such as stainless steel；Feed liquor vacuum valve 4
It for conventional manual vacuum valve, is installed on 2 access of inlet tube, after the completion of precooling, needs to be pumped into inside heat pipe 1 true
Sky, feed liquor vacuum valve 4 is just for maintaining the vacuum degree inside heat pipe 1；3 structure of muffler and inlet tube 2 are almost the same, and being used for will
The outside of the gas discharge low-temperature (low temperature) vessel generated after the cryogenic liquid gasification at 1 position of heat pipe, cooled via return air when being operated normally to reduce
The conductive heat leakage of pipe 3, muffler 3 can be using the lower material production of the thermal conductivities such as stainless steel；Return-air vacuum valve 5 and feed liquor are true
Empty valve 4 is structurally and functionally identical, is used to maintain the vacuum degree after the completion of pre-cooling inside heat pipe 1, and be installed on accordingly
On 3 access of muffler.Heat pipe 1 and inlet tube 2, muffler 3 guarantee that welding position is not sent out under cryogenic by being welded to connect
Raw leakage.In use, cryogenic liquid is from the straight 2 pipe injection of feed liquor, through contacting at heat pipe 1 with heat sink 6, cryogenic liquid is heat sink because absorbing
6 exchange heats and gasify, and then from muffler 3 be discharged low-temperature (low temperature) vessel.Since the low temperature of conduction cooling high temperature superconducting coil 7 holds
It is high vacuum inside device, therefore it is required that the generally enclosed construction of heat pipe 1, it must when passing through the flange of low-temperature (low temperature) vessel from indoor temperature end
It must be sealed by modes such as welding or flanged joints.Along the conductive heat leakage of heat pipe 1 when being operated normally to reduce, complete in advance
After cooling, 1 inner space of heat pipe should be evacuated, and be sealed respectively by feed liquor vacuum valve 4 and return-air vacuum valve 5.
In the present embodiment, inlet tube 2 and muffler straight tube 3 are all made of 304 stainless steels that section is 10mm × 10mm, wall thickness is 0.5mm
Production, the position for passing through the upper cover 8 of low-temperature (low temperature) vessel is fixed using welding manner, and the copper tube with 1 position of heat pipe
It is attached by welding.
It please join and additionally provide a kind of cooling equipment in Fig. 1 and Fig. 2 the embodiment of the present application, comprising: is refrigeration machine 9, above-mentioned low
Warm container and any auxiliary cooling device above-mentioned；
Auxiliary cooling device and high temperature superconductor coil 7 are both placed in the low-temperature (low temperature) vessel of sealing, and inlet tube 2 is held by low temperature
The first through hole of the upper cover 8 of device is pierced by low-temperature (low temperature) vessel, and muffler 3 is pierced by low temperature by the second through-hole of the upper cover 8 of low-temperature (low temperature) vessel
Container, feed liquor vacuum valve 4 and return-air vacuum valve 5 are arranged at outside upper cover 8.
Refrigeration machine 9 is connect by the third through-hole of the upper cover 8 of low-temperature (low temperature) vessel with low-temperature (low temperature) vessel；
Refrigeration machine 9 and the junction of upper cover 8 are fixed by welded seal.
The embodiment of the present application also provides a kind of application examples of cooling equipment, in the embodiment of the present application, cooled height
Temperature superconductive coil is 100kg red copper material, and enthalpy at 300k is H (300K)=7.96 × 106J, 80K be H (80K)=
0.6 × 106J, 20K are H (20K)=3.4 × 103J.The numerical value shows if the high temperature superconductor coil is cooled to from 300K
80K then needs to absorb the cooling capacity of H (300K)-H (80K)=7.36 × 106J；If the high temperature superconductor coil is cooling from 80K
To 20K, then need to absorb the cooling capacity of H (80K)-H (20K)=0.5986 × 106J；If by the high temperature superconductor coil from 300K
It is cooled to 20K, then needs to absorb the cooling capacity of H (300K)-H (20K)=7.95 × 106J.Refrigeration machine used is 325 type monopole of AL
Refrigeration machine, refrigeration work consumption 100W, minimum temperature 20K.For conventional direct cooling device, use refrigeration machine to high temperature
Superconducting coil is directly freezed, then required time is [H (300K)-H (20K)]/100W=22 hours.According to the application
The auxiliary cooling device of offer, high temperature superconductor coil, which is cooled to 80K from 300K, first by liquid nitrogen (- 196 DEG C) (about needs 1 small
When), then high temperature superconductor coil is cooled to 20K from 80K with refrigeration machine, then the working time needed for refrigeration machine is only [H (80K)-H
(20K)]/100W=1.7 hours.It follows that after using auxiliary cooling device, when the cooling of refrigeration machine can be greatly decreased
Between, it has not only saved the time, but also be able to extend the use time of refrigeration machine.
Above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to the foregoing embodiments
The application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of auxiliary cooling device characterized by comprising heat pipe, heat sink, inlet tube, muffler, feed liquor vacuum valve and return
Gas vacuum valve；
The heat pipe is bending coil pipe；
It is described heat sink to be fixedly connected by the first fixation kit with the heat pipe；
It is described it is heat sink connect with high temperature superconductor coil, and fixed by the second fixation kit；
The feed liquor vacuum valve is set on the inlet tube；
The return-air vacuum valve is set on the muffler.
2. auxiliary cooling device according to claim 1, which is characterized in that the inlet tube be feed liquor straight tube, described time
Tracheae is return-air straight tube.
3. auxiliary cooling device according to claim 1, which is characterized in that the junction of the inlet tube and the heat pipe
By being welded and fixed, the junction of the muffler and the heat pipe is fixed by welded seal.
4. auxiliary cooling device according to claim 1, which is characterized in that first fixation kit and described second is consolidated
Determining component includes: bolt and flange.
5. auxiliary cooling device according to claim 1, which is characterized in that described heat sink upper coated with low temperature thermal conductive silicon
Rouge.
6. auxiliary cooling device according to claim 1, which is characterized in that the heat pipe and the heat sink contact position
It sets, the heat sink contact position with the high temperature superconductor coil, is coated with thermal grease conduction.
7. auxiliary cooling device according to claim 4, which is characterized in that the flange and it is described it is heat sink be cyclic annular knot
Structure, the flange and the heat sink internal diameter are 300mm, and the flange and the heat sink outer diameter are 500mm.
8. auxiliary cooling device according to claim 1, which is characterized in that the section of the heat pipe is 10mm × 10mm,
The wall thickness of the heat pipe is 0.5mm.
9. auxiliary cooling device according to claim 1, which is characterized in that the heat pipe be high thermal conductivity material, it is described into
Liquid pipe and the muffler are low heat-conducting.
10. a kind of cooling equipment characterized by comprising refrigeration machine, low-temperature (low temperature) vessel and such as any one of claim 1-9 institute
State auxiliary cooling device；
The auxiliary cooling device and the high temperature superconductor coil are both placed in the low-temperature (low temperature) vessel of sealing, and the inlet tube passes through
The first through hole of the upper cover of the low-temperature (low temperature) vessel is pierced by the low-temperature (low temperature) vessel, the upper cover that the muffler passes through the low-temperature (low temperature) vessel
The second through-hole be pierced by the low-temperature (low temperature) vessel, the feed liquor vacuum valve and the return-air vacuum valve are arranged at outside the upper cover
Portion；
The refrigeration machine is connect by the third through-hole of the upper cover of the low-temperature (low temperature) vessel with the low-temperature (low temperature) vessel；
The refrigeration machine and the junction of the upper cover are fixed by welded seal.
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| CN201821902929.3U CN208819681U (en) | 2018-11-19 | 2018-11-19 | A kind of auxiliary cooling device and cooling equipment |
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| CN201821902929.3U CN208819681U (en) | 2018-11-19 | 2018-11-19 | A kind of auxiliary cooling device and cooling equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243752A (en) * | 2018-11-19 | 2019-01-18 | 广东电网有限责任公司 | A kind of auxiliary cooling device and cooling equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243752A (en) * | 2018-11-19 | 2019-01-18 | 广东电网有限责任公司 | A kind of auxiliary cooling device and cooling equipment |
| CN109243752B (en) * | 2018-11-19 | 2024-01-19 | 广东电网有限责任公司 | Auxiliary cooling device and cooling equipment |
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