CN108730759A - Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method - Google Patents
Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method Download PDFInfo
- Publication number
- CN108730759A CN108730759A CN201810929907.4A CN201810929907A CN108730759A CN 108730759 A CN108730759 A CN 108730759A CN 201810929907 A CN201810929907 A CN 201810929907A CN 108730759 A CN108730759 A CN 108730759A
- Authority
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- China
- Prior art keywords
- carbon dioxide
- gas
- air
- heat exchanger
- air cooler
- 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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 64
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 64
- 230000008016 vaporization Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009834 vaporization Methods 0.000 title claims abstract description 12
- 239000006200 vaporizer Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 76
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
Air-cooled carbon dioxide carburetion system, including liquefied carbon dioxide inlet pipe, constant temperature pressure regulation vaporizer, the first air cooler, the second air cooler and gas export line;The liquid outlet of liquefied carbon dioxide inlet pipe is connect with the inlet of constant temperature pressure regulation vaporizer, the gas outlet of constant temperature pressure regulation vaporizer is connect with the gas outlet of the first air cooler and the second air cooler respectively by first gas pipeline, the gas outlet of first air cooler is connected by the air inlet of second gas pipeline and gas export line, and the gas outlet of the second air cooler is connected by the air inlet of third gas pipeline and gas export line.The invention also discloses the constant temperature pressure regulation methods of air-cooled carbon dioxide carburetion system.The present invention not only has constant temperature pressure regulation vaporization function in gas replenishment process, the utilization rate of liquid carbon dioxide can also be improved, to make carbon dioxide vapourizing unit pipeline and pressure regulator valve be not in that solidifying frost blocks up phenomenon with ice, and vapourizing temperature, pressure, flow are all in steady controllable state.
Description
Technical field
The present invention relates to a kind of hydrogen cooled generator groups, and in particular to a kind of air-cooled titanium dioxide of hydrogen cooled generator ancillary equipment
Carbon carburetion system and its vaporization constant temperature pressure regulation method.
Background technology
It is internal for the cooling hydrogen used in order to replace completely in hydrogen cooled generator, it needs liquid carbon dioxide
It is vaporized into gaseous state, is filled into generator by hydrogen control device and cements out hydrogen.Existing carbon dioxide vaporization
Device cannot accomplish constant temperature voltage regulation function in gas replenishment process, during inflation due to temperature, pressure etc., cause to fill
Air pipe frosting, or even pressure regulator valve in carbon dioxide carburettors is made to have ice to block up phenomenon, cause inflation rate slow, instability of flow,
The problems such as gas temperature is low, and temperature fluctuation is big makes the gen-set repair time extend.
Invention content
The present invention provides that a kind of inflation is fast, temperature is constant, avoids generating ice to solve shortcoming in the prior art
The air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method that stifled, inflation rate is stablized.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:Air-cooled carbon dioxide carburetion system, including
Liquefied carbon dioxide inlet pipe, constant temperature pressure regulation vaporizer, the first air cooler, the second air cooler and gas export line;
The liquid outlet of liquefied carbon dioxide inlet pipe is connect with the inlet of constant temperature pressure regulation vaporizer, constant temperature pressure regulation vaporizer
Gas outlet is connect with the gas outlet of the first air cooler and the second air cooler respectively by first gas pipeline, and the first air cooler goes out
Gas port is connected by the air inlet of second gas pipeline and gas export line, and the gas outlet of the second air cooler passes through third gas
The air inlet of pipeline and gas export line connects.
Constant temperature pressure regulation vaporizer includes container, controller, heater, pressure regulator valve, First Heat Exchanger, the second heat exchanger and temperature
Sensor is spent, is loaded with conduction oil in container, container top is provided with cover board, heater, pressure regulator valve, First Heat Exchanger and second
Heat exchanger is arranged in container, and the equal propelling container in outlet end of the input end of First Heat Exchanger and the second heat exchanger, first changes
The input end propelling container of hot device is connect with the liquid outlet of liquefied carbon dioxide inlet pipe, and the outlet end of the second heat exchanger is stretched out
Container is connect with the air inlet of first gas pipeline, and pressure regulator valve is arranged on cover board lower surface and the control-rod of pressure regulator valve is stretched upwards
Go out cover board, the outlet end of First Heat Exchanger and the input end of pressure regulator valve connect, the input end of the second heat exchanger and going out for pressure regulator valve
The connection of mouth end;The probe of temperature sensor is extend under the heat conduction oil level in container;Controller is by computer heating control line and adds
Hot device connection, controller are connect by data line with temperature sensor.
First Heat Exchanger and the second heat exchanger are separately positioned on the left and right side in container, and heater is located at the first heat exchange
Between device and the second heat exchanger.
First manual ball valve, inlet pressure are disposed with by inlet to liquid outlet in liquefied carbon dioxide inlet pipe
Table and inlet temperature table.
The safety valve of < 0.8MPa is provided on first gas pipeline.
The first solenoid valve is provided on second gas pipeline, the first solenoid valve both ends are parallel with the second manual ball valve.
Second solenoid valve is provided on third gas pipeline, second solenoid valve both ends are parallel with third manual ball valve.
Gas output tube road is disposed with pressure reducing valve, outlet temperature table, delivery gauge by air inlet to gas outlet
With the 4th manual ball valve.
The vaporization constant temperature pressure regulation method of air-cooled carbon dioxide carburetion system, includes the following steps,
(1), start operation constant temperature pressure regulation vaporizer, the first air cooler and the second air cooler;Heating in constant temperature pressure regulation vaporizer
Device is by heat-conducting oil heating to set temperature and remains stable;
(2), carbon dioxide liquid is delivered to the inlet of liquefied carbon dioxide inlet pipe, successively through first manual ball valve,
After inlet pressure gauge, inlet temperature table, it is delivered in the First Heat Exchanger in container and carries out heat exchange, carbon dioxide with conduction oil
It is vaporized in First Heat Exchanger, pressure regulation valve regulation output pressure, pressure regulator valve is adjusted by the control-rod of pressure regulator valve, after then vaporizing
Carbon dioxide enter in the second heat exchanger, carbon dioxide gas is warming up to set temperature range in the second heat exchanger;Constant temperature
Pressure regulation vaporizer is monitored heat conduction oil temperature in its container by temperature sensor and transfers data to controller in real time, by controller
The heating temperature for controlling heater is completed heat with First Heat Exchanger and second heat exchanger eventually by the conduction oil in container and is handed over
It changes;
(3), through constant temperature pressure regulation vaporizer pressure regulation heating after carbon dioxide gas, first pass through the 0.8MPa on first gas pipeline
Safety valve, safety valve opens automatic exhaust if air pressure is excessively high, then is exchanged heat by the first air cooler or the second air cooler, makes dioxy
Change carbon gas temperature and environment temperature difference≤8 DEG C;
(4), the gas after the first air cooler or the heat exchange of the second air cooler continue through the pressure reducing valve of gas output tube road, into
One step section carbon dioxide gas pressure is defeated to 0.15MPa, then after outlet temperature table, delivery gauge, the 4th manual ball valve
Go out to hydrogen control equipment, and is filled with hydrogen cooled generator group under the control of hydrogen control equipment.
Step(3)In the first air cooler, the first solenoid valve and the second manual ball valve and the second air cooler, second solenoid valve
And third manual ball valve is spare each other;Second manual ball valve does replacement when the first solenoid valve breaks down and uses, and third is manual
Ball valve does replacement when second solenoid valve breaks down and uses.
Using above-mentioned technical proposal, the present invention has following originality and advantageous effect:
Pressure regulator valve, First Heat Exchanger and the second heat exchanger are placed in the metal enclosed container for filling conduction oil by the present invention, can
By the efficient heat transfer of conduction oil, makes up the caloric receptivity in carbon dioxide liquid vaporescence and adjusted by high pressure defeated to low pressure
Caloric receptivity when going out avoids pressure regulator valve ice stifled and pipeline frosting, it is ensured that is delivered to carbon dioxide temperature in hydrogen control system, pressure
Power, stability of flow.
The carbon dioxide vapourizing unit used at this stage, in gas replenishment process, it may appear that stifled, pipeline frosting of pressure regulator valve ice etc.
Phenomenon influences inflation rate, extends the repair time of hydrogen cooled generator, the residual gas after inflation in steel cylinder is more, causes gas
Body wastes.The present invention not only has constant temperature pressure regulation vaporization function in gas replenishment process, moreover it is possible to improve the utilization of liquid carbon dioxide
Rate.In use, carbon dioxide vapourizing unit pipeline and pressure regulator valve are not in that solidifying frost blocks up phenomenon with ice, and vaporizes temperature
Degree, pressure, flow are all in steady controllable state.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
As shown in Figure 1, the air-cooled carbon dioxide carburetion system of the present invention, including liquefied carbon dioxide inlet pipe 1, perseverance
Warm pressure regulation vaporizer, the first air cooler 2, the second air cooler 3 and gas export line 4;
The liquid outlet of liquefied carbon dioxide inlet pipe 1 is connect with the inlet of constant temperature pressure regulation vaporizer, constant temperature pressure regulation vaporizer
Gas outlet connect respectively with the gas outlet of the first air cooler 2 and the second air cooler 3 by first gas pipeline 5, first is air-cooled
The gas outlet of device 2 is connect by second gas pipeline 6 with the air inlet of gas export line 4, and the gas outlet of the second air cooler 3 is logical
Third gas pipeline 7 is crossed to connect with the air inlet of gas export line 4.
Constant temperature pressure regulation vaporizer includes container 8, controller 9, heater 10, pressure regulator valve 11, First Heat Exchanger 12, second changes
Hot device 13 and temperature sensor 14 are loaded with conduction oil 15 in container 8, and 8 top of container is provided with cover board 16, and heater 10 is adjusted
Pressure valve 11, First Heat Exchanger 12 and the second heat exchanger 13 are arranged in container 8, and the input end of First Heat Exchanger 12 and second changes
The equal propelling container 8 in outlet end of hot device 13, input end propelling container 8 and the liquefied carbon dioxide inlet pipe of First Heat Exchanger 12
1 liquid outlet connection, the outlet end propelling container 8 of the second heat exchanger 13 are connect with the air inlet of first gas pipeline 5, pressure regulator valve
11 are arranged on 16 lower surface of cover board and the control-rod of pressure regulator valve 11 stretches out cover board 16 upwards, the outlet end of First Heat Exchanger 12 with
The input end of pressure regulator valve 11 connects, and the input end of the second heat exchanger 13 is connect with the outlet end of pressure regulator valve 11;Temperature sensor 14
Probe extend under 15 liquid level of conduction oil in container 8;Controller 9 is connect by computer heating control line 17 with heater 10, control
Device 9 processed is connect by data line 18 with temperature sensor 14.
First Heat Exchanger 12 and the second heat exchanger 13 are separately positioned on the left and right side in container 8, and heater 10 is located at
Between First Heat Exchanger 12 and the second heat exchanger 13.
First manual ball valve 19, import are disposed with by inlet to liquid outlet in liquefied carbon dioxide inlet pipe 1
Pressure gauge 20 and inlet temperature table 21.The wherein position of inlet pressure gauge 20 and inlet temperature table 21 can be interchanged.
The safety valve 22 of < 0.8MPa is provided on first gas pipeline 5.
The first solenoid valve 23 is provided on second gas pipeline 6,23 both ends of the first solenoid valve are parallel with the second manual ball valve
24。
Second solenoid valve 25 is provided on third gas pipeline 7,25 both ends of second solenoid valve are parallel with third manual ball valve
26。
Pressure reducing valve 27, outlet temperature table 28, outlet pressure are disposed with by air inlet to gas outlet on gas export line 4
Power table 29 and the 4th manual ball valve 30.The wherein position of outlet temperature table 28 and delivery gauge 29 can be interchanged.
The vaporization constant temperature pressure regulation method of air-cooled carbon dioxide carburetion system, includes the following steps,
(1), start operation constant temperature pressure regulation vaporizer, the first air cooler 2 and the second air cooler 3;Adding in constant temperature pressure regulation vaporizer
Conduction oil 15 is heated to set temperature and remains stable by hot device 10;
(2), carbon dioxide liquid is delivered to the inlet of liquefied carbon dioxide inlet pipe 1, successively through first manual ball valve
19, it after inlet pressure gauge 20, inlet temperature table 21, is delivered in the First Heat Exchanger 12 in container 8 and carries out heat with conduction oil 15
It exchanges, carbon dioxide vaporization in First Heat Exchanger 12, pressure regulator valve 11 adjusts output pressure, and pressure regulator valve 11 passes through pressure regulator valve 11
Control-rod is adjusted, and the carbon dioxide after then vaporizing enters in the second heat exchanger 13, and carbon dioxide gas is in the second heat exchanger
13 are warming up to set temperature range;Constant temperature pressure regulation vaporizer monitors conduction oil 15 in its container 8 in real time by temperature sensor 14
Temperature simultaneously transfers data to controller 9, the heating temperature of heater 10 is controlled by controller 9, eventually by the heat conduction in container 8
Oil 15 completes heat exchange with First Heat Exchanger 12 and second heat exchanger;
(3), through constant temperature pressure regulation vaporizer pressure regulation heating after carbon dioxide gas, first pass through on first gas pipeline 5
0.8MPa safety valves 22, safety valve 22 opens automatic exhaust if air pressure is excessively high, then passes through the first air cooler 2 or the second air cooler
3 heat exchange, make carbon dioxide gas temperature and environment temperature difference≤8 DEG C;
(4), through the first air cooler 2 or the second air cooler 3 heat exchange after gas continue through the pressure reducing valve on gas export line 4
27, further regulation of carbon dioxide gas pressure is manual to 0.15MPa, then through outlet temperature table 28, delivery gauge the 29, the 4th
Output is to hydrogen control equipment after ball valve 30, and hydrogen cooled generator group is filled under the control of hydrogen control equipment.
Step(3)In the first air cooler 2, the first solenoid valve 23 and the second manual ball valve 24 and the second air cooler 3, second
Solenoid valve 25 and third manual ball valve 26 are spare each other;Second manual ball valve 24 is substituted when the first solenoid valve 23 breaks down
It uses, third manual ball valve 26 does replacement when second solenoid valve 25 breaks down and uses.
The present embodiment is not to be made any form of restriction to shape, material, the structure etc. of the present invention, every according to this hair
Bright technical spirit belongs to the technology of the present invention side to any simple modification, equivalent change and modification made by above example
The protection domain of case.
Claims (10)
1. air-cooled carbon dioxide carburetion system, it is characterised in that:It is vaporized including liquefied carbon dioxide inlet pipe, constant temperature pressure regulation
Device, the first air cooler, the second air cooler and gas export line;
The liquid outlet of liquefied carbon dioxide inlet pipe is connect with the inlet of constant temperature pressure regulation vaporizer, constant temperature pressure regulation vaporizer
Gas outlet is connect with the gas outlet of the first air cooler and the second air cooler respectively by first gas pipeline, and the first air cooler goes out
Gas port is connected by the air inlet of second gas pipeline and gas export line, and the gas outlet of the second air cooler passes through third gas
The air inlet of pipeline and gas export line connects.
2. air-cooled carbon dioxide carburetion system according to claim 1, it is characterised in that:Constant temperature pressure regulation vaporizer includes
Container, controller, heater, pressure regulator valve, First Heat Exchanger, the second heat exchanger and temperature sensor are loaded with heat conduction in container
Oil, container top are provided with cover board, and heater, pressure regulator valve, First Heat Exchanger and the second heat exchanger are arranged in container, and first
The equal propelling container in the outlet end of the input end of heat exchanger and the second heat exchanger, input end propelling container and the liquefaction of First Heat Exchanger
The liquid outlet of carbon dioxide inlet pipe connects, the air inlet of the outlet end propelling container and first gas pipeline of the second heat exchanger
Connection, pressure regulator valve is arranged on cover board lower surface and the control-rod of pressure regulator valve stretches out cover board, the outlet end of First Heat Exchanger upwards
It is connect with the input end of pressure regulator valve, the input end of the second heat exchanger and the outlet end of pressure regulator valve connect;The probe of temperature sensor
It extend under the heat conduction oil level in container;Controller is connect by computer heating control line with heater, and controller passes through data line
It is connect with temperature sensor.
3. air-cooled carbon dioxide carburetion system according to claim 2, it is characterised in that:First Heat Exchanger and second changes
Hot device is separately positioned on the left and right side in container, and heater is between First Heat Exchanger and the second heat exchanger.
4. air-cooled carbon dioxide carburetion system according to claim 3, it is characterised in that:Liquefied carbon dioxide inlet tube
Road is disposed with first manual ball valve, inlet pressure gauge and inlet temperature table by inlet to liquid outlet.
5. air-cooled carbon dioxide carburetion system according to claim 4, it is characterised in that:It is arranged on first gas pipeline
There is the safety valve of < 0.8MPa.
6. air-cooled carbon dioxide carburetion system according to claim 5, it is characterised in that:It is arranged on second gas pipeline
There are the first solenoid valve, the first solenoid valve both ends to be parallel with the second manual ball valve.
7. air-cooled carbon dioxide carburetion system according to claim 6, it is characterised in that:It is arranged on third gas pipeline
There are second solenoid valve, second solenoid valve both ends to be parallel with third manual ball valve.
8. air-cooled carbon dioxide carburetion system according to claim 7, it is characterised in that:Gas output tube road by into
Gas port is disposed with pressure reducing valve, outlet temperature table, delivery gauge and the 4th manual ball valve to gas outlet.
9. using the vaporization constant temperature pressure regulation method of air-cooled carbon dioxide carburetion system according to any one of claims 8, it is characterised in that:
Include the following steps,
(1), start operation constant temperature pressure regulation vaporizer, the first air cooler and the second air cooler;Heating in constant temperature pressure regulation vaporizer
Device is by heat-conducting oil heating to set temperature and remains stable;
(2), carbon dioxide liquid is delivered to the inlet of liquefied carbon dioxide inlet pipe, successively through first manual ball valve,
After inlet pressure gauge, inlet temperature table, it is delivered in the First Heat Exchanger in container and carries out heat exchange, carbon dioxide with conduction oil
It is vaporized in First Heat Exchanger, pressure regulation valve regulation output pressure, pressure regulator valve is adjusted by the control-rod of pressure regulator valve, after then vaporizing
Carbon dioxide enter in the second heat exchanger, carbon dioxide gas is warming up to set temperature range in the second heat exchanger;Constant temperature
Pressure regulation vaporizer is monitored heat conduction oil temperature in its container by temperature sensor and transfers data to controller in real time, by controller
The heating temperature for controlling heater is completed heat with First Heat Exchanger and second heat exchanger eventually by the conduction oil in container and is handed over
It changes;
(3), through constant temperature pressure regulation vaporizer pressure regulation heating after carbon dioxide gas, first pass through the 0.8MPa on first gas pipeline
Safety valve, safety valve opens automatic exhaust if air pressure is excessively high, then is exchanged heat by the first air cooler or the second air cooler, makes dioxy
Change carbon gas temperature and environment temperature difference≤8 DEG C;
(4), the gas after the first air cooler or the heat exchange of the second air cooler continue through the pressure reducing valve of gas output tube road, into
One step section carbon dioxide gas pressure is defeated to 0.15MPa, then after outlet temperature table, delivery gauge, the 4th manual ball valve
Go out to hydrogen control equipment, and is filled with hydrogen cooled generator group under the control of hydrogen control equipment.
10. vaporization constant temperature pressure regulation method according to claim 9, it is characterised in that:Step(3)In the first air cooler,
First solenoid valve and the second manual ball valve and the second air cooler, second solenoid valve and third manual ball valve are spare each other;Second-hand
Dynamic ball valve does replacement when the first solenoid valve breaks down and uses, and third manual ball valve is replaced when second solenoid valve breaks down
In generation, uses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810929907.4A CN108730759A (en) | 2018-08-15 | 2018-08-15 | Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method |
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CN201810929907.4A CN108730759A (en) | 2018-08-15 | 2018-08-15 | Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method |
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CN201810929907.4A Pending CN108730759A (en) | 2018-08-15 | 2018-08-15 | Air-cooled carbon dioxide carburetion system and its vaporization constant temperature pressure regulation method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109681158A (en) * | 2019-03-04 | 2019-04-26 | 中国石油大学(华东) | A kind of device for carbon dioxide flooding oil tech |
CN109708511A (en) * | 2019-02-25 | 2019-05-03 | 苏州料金气体有限公司 | A kind of energy-saving and high efficient heat exchange balance system |
CN109932182A (en) * | 2019-03-05 | 2019-06-25 | 北京航空航天大学 | The high enthalpy of carbon dioxide carrys out flow generating apparatus |
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JP3012260U (en) * | 1994-12-09 | 1995-06-13 | 岩谷産業株式会社 | Carbon dioxide supply device |
CN201159548Y (en) * | 2008-01-22 | 2008-12-03 | 陈尊山 | Carbon dioxide refrigerating mechanism |
CN102478320A (en) * | 2010-11-30 | 2012-05-30 | 天津市奥瑞特环保节能工程技术有限公司 | Overlapping large CO2 refrigeration (heating) unit technology |
CN105402955A (en) * | 2015-12-07 | 2016-03-16 | 王子忠 | Commercial frostless type carbon dioxide air-cooled refrigeration house air cooler heat exchanger |
CN205655524U (en) * | 2016-03-31 | 2016-10-19 | 天津众石睿哲科技有限责任公司 | Utilize domestic energy comprehensive utilization system of carbon dioxide as refrigerant |
CN208886378U (en) * | 2018-08-15 | 2019-05-21 | 河南省日立信股份有限公司 | Air-cooled carbon dioxide carburetion system |
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2018
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JP3012260U (en) * | 1994-12-09 | 1995-06-13 | 岩谷産業株式会社 | Carbon dioxide supply device |
CN201159548Y (en) * | 2008-01-22 | 2008-12-03 | 陈尊山 | Carbon dioxide refrigerating mechanism |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109708511A (en) * | 2019-02-25 | 2019-05-03 | 苏州料金气体有限公司 | A kind of energy-saving and high efficient heat exchange balance system |
CN109681158A (en) * | 2019-03-04 | 2019-04-26 | 中国石油大学(华东) | A kind of device for carbon dioxide flooding oil tech |
CN109932182A (en) * | 2019-03-05 | 2019-06-25 | 北京航空航天大学 | The high enthalpy of carbon dioxide carrys out flow generating apparatus |
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