CN107443163A - A kind of cutter cooling and lubricating system - Google Patents
A kind of cutter cooling and lubricating system Download PDFInfo
- Publication number
- CN107443163A CN107443163A CN201710866477.1A CN201710866477A CN107443163A CN 107443163 A CN107443163 A CN 107443163A CN 201710866477 A CN201710866477 A CN 201710866477A CN 107443163 A CN107443163 A CN 107443163A
- Authority
- CN
- China
- Prior art keywords
- pressure
- atomizer
- cutter
- lubricating system
- booster pump
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 31
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 15
- 238000005461 lubrication Methods 0.000 claims abstract description 11
- 238000000889 atomisation Methods 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 11
- 239000002131 composite material Substances 0.000 abstract description 11
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 235000011089 carbon dioxide Nutrition 0.000 description 10
- 238000005555 metalworking Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000002199 base oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005802 health problem Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000004533 oil dispersion Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 239000007762 w/o emulsion Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
- B23Q11/1061—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using cutting liquids with specially selected composition or state of aggregation
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a kind of cutter cooling and lubricating system, and the system includes：Carbon dioxide source；The booster pump being connected with carbon dioxide source；The high-pressure bottle being connected with booster pump；Characterized in that, the system also includes the compressed air source being connected with booster pump；The atomizer being connected with high-pressure bottle；The nozzle being connected with atomizer；The source of lubrication being connected with atomizer.The present invention can discharge the heat of a large amount of intermetallic composite coatings, and workpiece and cutter are cooled down, while lubricating oil is lubricated to cutter, improve cutter life and processing effect.
Description
Technical field
The invention belongs to metal working technical area, and in particular to a kind of cutter cooling and lubricating system.
Background technology
In various metals process, (some non-limiting examples of process of metal working include metal working fluid (MWF)
Working angles, forming process etc.) during lubrication and cooling metal and useful to appropriate machining function.Specifically, MWF increases
Life tools, appropriate surface smoothness is ensured significantly, it is allowed to the faster manufacture rate and energy during reducing machining disappears
Consumption.Metal working fluid is typically water-in-oil emulsion, wherein oil lubrication cutting band, and water cooling cutting band.However, oil and water
Mixture is there is a possibility that MWF causes environmental problem and occupational health problem.This may be attributed to (at least partly so) can be
Metal, organic principle and the microorganism of aggregation in these fluids, and these liquid are excessively sprayed in pole in mechanical processing process
When the aerosol that is likely to form.The air quality in workshop can be reduced by the aerosol that these oil solutions are formed and some
In the case of may potentially cause that acute and/or chronic skin influences and lung influences on worker.Water-in-oil emulsion is easily because micro-
Biological attack and hard water ion accumulation and there is Quality Down with the time, this may cause waste disposal issues, especially when mixed
When compound contains poisonous additive.Therefore when MEF reaches final service life, they can become bazardous waste.If
Other solvents than water can be used to provide the lubrication of minimum, then can be substantially eliminated relevant with MWF many
Environmental problem and health problem.
Therefore, it is desirable that the metal working lubricant that minimum necessary amounts are provided using nonaqueous solvents is acted on.Such replacement
Property solvent can advantageously reduce or eliminate the problem of relevant with water base MWF, and therefore reduce or eliminate to traditional MWF safeguard
The needs of system or processing system such as pump and piece-rate system.In addition, sending the lubrication for passing minimum to protect resource, more one is maintained
The high quality process operation of cause, and reduce service life cycle emissions, at the same time go far towards to eliminate potentially with tradition
Health risk relevant water base MWF and spoilage problems.
In view of this, it is necessary in the technology of prior art further Optimal improvements, there is provided a kind of new intermetallic composite coating
Cooling system.
The content of the invention
In view of this, the present invention provides a kind of cutter cooling and lubricating system, and the present invention can discharge a large amount of intermetallic composite coatings
Heat, workpiece and cutter are cooled down, while lubricating oil is lubricated to cutter, improves cutter life and processing is imitated
Fruit.
The technical scheme is that：A kind of cutter cooling and lubricating system, the system include：
Carbon dioxide source；
The booster pump being connected with carbon dioxide source；
The high-pressure bottle being connected with booster pump；Characterized in that,
The system also includes the compressed air source being connected with booster pump；
The atomizer being connected with high-pressure bottle；
The nozzle being connected with atomizer；
The source of lubrication being connected with atomizer.
Further, high-pressure solenoid valve is provided between the carbon dioxide source and booster pump.
Further, the high-pressure bottle is respectively equipped with pressure inductor, the first temperature inductor, primary heater, institute
State pressure inductor and be connected to pressure gauge, safety relief valve.
Further, outlet high-pressure solenoid valve is provided between the high-pressure bottle and atomizer.
Further, second temperature inductor and the second heating are provided between the outlet high-pressure solenoid valve and atomizer
Device.
Further, hand valve and oil-measuring pump are sequentially provided between the source of lubrication and the atomizer.
Further, delicate flow device is provided between the high-pressure solenoid valve and the booster pump.
In the present invention, pass through the CO of prior art2Calibrating gas bottle is simultaneously full of liquid CO2As carbon dioxide source, by multiple tanks
After sub- parallel connection, jar hand valve is opened, is controlled and opened by pressure-resistant 100 kilograms of high-pressure solenoid valves, then by an accurate flow
Metering device, pressure-detecting device, booster pump is reached, compressed air makes pumping action, pressure is raised, by CO2Further plus
Pressure, then flows to high-pressure bottle, according to CO2The principle of gas-liquid-solid three-phase figure, supercriticality is maintained at, it is necessary to be increased to conjunction
Suitable temperature, so high-pressure bottle is heated and pressurize, and detection temperature and pressure, after reaching required temperature, beat
Output a mouthful high-pressure solenoid valve, CO2Pipeline flow-direction exit portion through long length, in order to make up temperature losses, arrange and add again herein
Thermal, after heating, atomizer and oil passage and together with, then flow to nozzle, spray phase transformation in nozzle tip, release
Amplification quantity heat, is cooled down to workpiece and cutter, while lubricating oil is lubricated to cutter, is improved cutter life and is added
Work efficiency fruit.
The beneficial effects of the present invention are, can improve intermetallic composite coating efficiency and recovery, be reduced to manufacture product needed for
The amount for the raw material wanted；The intermetallic composite coating solution additive such as chelating agent using auxiliary can be avoided, these additives can bring place
Reason problem；It is compatible with a variety of traditional and unconventional base oil, if any high oxidation stability, durability and recycle possibility
Fluorinated oil and surfactant, the service life cycle bears less vegetable oil and has table for oil replacement thing
The petroleum based oil of face activating agent；The present invention can discharge the heat of a large amount of intermetallic composite coatings, and workpiece and cutter are cooled down,
Lubricating oil is lubricated to cutter simultaneously, improves cutter life and processing effect.
Present invention applicant is lubricated in metalworking operation using supercritical carbon dioxide (supercritical CO 2), cooling
And/or the new method of emptying chip.Conventionally used water-based metal working fluid (MWF) is to perform these functions, even with water
High economic cost, occupational health cost and environmental cost may be caused.Titanium dioxide in critical-temperature and critical pressure
Carbon is some oily adjustable solvents of dissolving.This means can be by the oily gap space that send and be handed to previous water beam and do not reach
It is interior.CO2 bags oil dispersion can at full speed be ejected from nozzle and pass oil to send, and dry ice is formed in cutting region.
CO2 rapid expansion causes the cooling under cryogenic temperature.This rapid expansion of CO2 and/or CO2 solution is because under pressure
Drop and significantly cool down, and less than about -80 DEG C of temperature can be reached, the heat of a large amount of intermetallic composite coatings is discharged, to workpiece and knife
Tool is cooled down, while lubricating oil is lubricated to cutter.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment
A kind of cutter cooling and lubricating system, the system include：
Carbon dioxide source 1；
The booster pump 2 being connected with carbon dioxide source 1；
The high-pressure bottle 3 being connected with booster pump 2；Characterized in that,
The system also includes the compressed air source 5 being connected with booster pump 2；
The atomizer 4 being connected with high-pressure bottle 3；
The nozzle 7 being connected with atomizer 4；
The source of lubrication 6 being connected with atomizer 4.
Further, high-pressure solenoid valve 11 is provided between the carbon dioxide source 1 and booster pump 2.
Further, the high-pressure bottle 3 is respectively equipped with pressure inductor 32, the heating of the first temperature inductor 34, first
Device 35, the pressure inductor are connected to pressure gauge 33, safety relief valve 31.
Further, outlet high-pressure solenoid valve 36 is provided between the high-pressure bottle 3 and atomizer 4.
Further, it is provided with second temperature inductor 41 and second between the outlet high-pressure solenoid valve 11 and atomizer 4
Heater 42.
Further, hand valve 61 and oil-measuring pump 62 are sequentially provided between the source of lubrication and the atomizer 4.
Further, delicate flow device 12 is provided between the high-pressure solenoid valve 11 and the booster pump 2.
In the present invention, pass through the CO of prior art2Calibrating gas bottle is simultaneously full of liquid CO2As carbon dioxide source, by multiple tanks
After sub- parallel connection, jar hand valve is opened, is controlled and opened by pressure-resistant 100 kilograms of high-pressure solenoid valves, then by an accurate flow
Metering device, pressure-detecting device, booster pump is reached, compressed air makes pumping action, pressure is raised, by CO2Further plus
Pressure, then flows to high-pressure bottle, according to CO2The principle of gas-liquid-solid three-phase figure, supercriticality is maintained at, it is necessary to be increased to conjunction
Suitable temperature, so high-pressure bottle is heated and pressurize, and detection temperature and pressure, after reaching required temperature, beat
Output a mouthful high-pressure solenoid valve, CO2Pipeline flow-direction exit portion through long length, in order to make up temperature losses, arrange and add again herein
Thermal, after heating, atomizer and oil passage and together with, then flow to nozzle, spray phase transformation in nozzle tip, release
Amplification quantity heat, is cooled down to workpiece and cutter, while lubricating oil is lubricated to cutter, is improved cutter life and is added
Work efficiency fruit.
The beneficial effects of the present invention are, can improve intermetallic composite coating efficiency and recovery, be reduced to manufacture product needed for
The amount for the raw material wanted；The intermetallic composite coating solution additive such as chelating agent using auxiliary can be avoided, these additives can bring place
Reason problem；It is compatible with a variety of traditional and unconventional base oil, if any high oxidation stability, durability and recycle possibility
Fluorinated oil and surfactant, the service life cycle bears less vegetable oil and has table for oil replacement thing
The petroleum based oil of face activating agent；The present invention can discharge the heat of a large amount of intermetallic composite coatings, and workpiece and cutter are cooled down,
Lubricating oil is lubricated to cutter simultaneously, improves cutter life and processing effect.
Present invention applicant is lubricated in metalworking operation using supercritical carbon dioxide (supercritical CO 2), cooling
And/or the new method of emptying chip.Conventionally used water-based metal working fluid (MWF) is to perform these functions, even with water
High economic cost, occupational health cost and environmental cost may be caused.Titanium dioxide in critical-temperature and critical pressure
Carbon is some oily adjustable solvents of dissolving.This means can be by the oily gap space that send and be handed to previous water beam and do not reach
It is interior.CO2 bags oil dispersion can at full speed be ejected from nozzle and pass oil to send, and dry ice is formed in cutting region.
CO2 rapid expansion causes the cooling under cryogenic temperature.This rapid expansion of CO2 and/or CO2 solution is because under pressure
Drop and significantly cool down, and less than about -80 DEG C of temperature can be reached, the heat of a large amount of intermetallic composite coatings is discharged, to workpiece and knife
Tool is cooled down, while lubricating oil is lubricated to cutter.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.It is noted that the technical characteristic not being described in detail in the present invention, can be by appointing
One prior art is realized.
Claims (7)
1. a kind of cutter cooling and lubricating system, the system include：
Carbon dioxide source；
The booster pump being connected with carbon dioxide source；
The high-pressure bottle being connected with booster pump；Characterized in that,
The system also includes the compressed air source being connected with booster pump；
The atomizer being connected with high-pressure bottle；
The nozzle being connected with atomizer；
The source of lubrication being connected with atomizer.
2. cutter cooling and lubricating system according to claim 1, it is characterised in that the carbon dioxide source and booster pump it
Between be provided with high-pressure solenoid valve.
3. cutter cooling and lubricating system according to claim 1, it is characterised in that the high-pressure bottle is respectively equipped with pressure
Inductor, the first temperature inductor, primary heater, the pressure inductor are connected to pressure gauge, safety relief valve.
4. cutter cooling and lubricating system according to claim 1, it is characterised in that between the high-pressure bottle and atomizer
Provided with outlet high-pressure solenoid valve.
5. cutter cooling and lubricating system according to claim 4, it is characterised in that the outlet high-pressure solenoid valve and atomization
Second temperature inductor and secondary heater are provided between device.
6. cutter cooling and lubricating system according to claim 1, it is characterised in that the source of lubrication and the atomizer
Between be sequentially provided with hand valve and oil-measuring pump.
7. cutter cooling and lubricating system according to claim 2, it is characterised in that the high-pressure solenoid valve and the supercharging
Delicate flow device is provided between pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866477.1A CN107443163A (en) | 2017-09-22 | 2017-09-22 | A kind of cutter cooling and lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866477.1A CN107443163A (en) | 2017-09-22 | 2017-09-22 | A kind of cutter cooling and lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107443163A true CN107443163A (en) | 2017-12-08 |
Family
ID=60497045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710866477.1A Pending CN107443163A (en) | 2017-09-22 | 2017-09-22 | A kind of cutter cooling and lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107443163A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202271A (en) * | 2018-03-14 | 2018-06-26 | 广东技术师范学院 | A kind of low-temperature trace lubricating arrangement based on supercritical carbon dioxide |
| CN109520192A (en) * | 2018-12-03 | 2019-03-26 | 广州汇专工具有限公司 | A kind of supercritical carbon dioxide cooling system and its control method |
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|---|---|---|---|---|
| CN1207119A (en) * | 1996-01-05 | 1999-02-03 | R·斯库德 | Method for mechanical working |
| CN101208415A (en) * | 2005-04-29 | 2008-06-25 | 密执安大学评议会 | Metal working lubricant formulations based on supercritical carbon dioxide |
| CN101596688A (en) * | 2009-07-16 | 2009-12-09 | 北京航空航天大学 | A kind of lubricating system with trace amount |
| CN203527142U (en) * | 2013-09-26 | 2014-04-09 | 上海金兆节能科技有限公司 | Nested type water, oil and gas three-phase mixed nozzle and nozzle system comprising same |
| CN203696602U (en) * | 2013-12-13 | 2014-07-09 | 东莞市安默琳节能环保技术有限公司 | Composite spraying lubricating cooling system for mechanical cutting processing |
| CN207205990U (en) * | 2017-09-22 | 2018-04-10 | 东莞安默琳机械制造技术有限公司 | A kind of cutter cooling and lubricating system |
-
2017
- 2017-09-22 CN CN201710866477.1A patent/CN107443163A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207119A (en) * | 1996-01-05 | 1999-02-03 | R·斯库德 | Method for mechanical working |
| CN101208415A (en) * | 2005-04-29 | 2008-06-25 | 密执安大学评议会 | Metal working lubricant formulations based on supercritical carbon dioxide |
| CN101596688A (en) * | 2009-07-16 | 2009-12-09 | 北京航空航天大学 | A kind of lubricating system with trace amount |
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| CN207205990U (en) * | 2017-09-22 | 2018-04-10 | 东莞安默琳机械制造技术有限公司 | A kind of cutter cooling and lubricating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202271A (en) * | 2018-03-14 | 2018-06-26 | 广东技术师范学院 | A kind of low-temperature trace lubricating arrangement based on supercritical carbon dioxide |
| CN108202271B (en) * | 2018-03-14 | 2024-04-19 | 广东技术师范大学 | Low-temperature micro-lubrication device based on supercritical carbon dioxide |
| CN109520192A (en) * | 2018-12-03 | 2019-03-26 | 广州汇专工具有限公司 | A kind of supercritical carbon dioxide cooling system and its control method |
| CN109520192B (en) * | 2018-12-03 | 2024-03-22 | 汇专科技集团股份有限公司 | Supercritical carbon dioxide cooling system and control method thereof |
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| PB01 | Publication | ||
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Application publication date: 20171208 |