CN110319352A - A kind of supercritical carbon dioxide supercharging equipment and technique - Google Patents
A kind of supercritical carbon dioxide supercharging equipment and technique Download PDFInfo
- Publication number
- CN110319352A CN110319352A CN201910510196.1A CN201910510196A CN110319352A CN 110319352 A CN110319352 A CN 110319352A CN 201910510196 A CN201910510196 A CN 201910510196A CN 110319352 A CN110319352 A CN 110319352A
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- carbon dioxide
- cell
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 31
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 239000000872 buffer Substances 0.000 claims abstract description 43
- 229960004424 carbon dioxide Drugs 0.000 claims description 30
- 230000003139 buffering effect Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 17
- 238000010992 reflux Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 4
- 230000018199 S phase Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution 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
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/082—Pipe-line systems for liquids or viscous products for cold fluids, e.g. liquefied gas
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention discloses a kind of supercritical carbon dioxide supercharging equipment and techniques, the equipment includes level-one entrance buffer cell, the level-one entrance buffer cell is connect with Trans-critical cycle phase compress cell, the Trans-critical cycle phase compress cell is connect with circulating cooling unit in hot wind, circulating cooling unit is connect with final stage entrance buffer cell in the hot wind, the final stage entrance buffer cell is connect with supecritical state compress cell, and the supecritical state compress cell is connect with outlet cooling unit.Supercritical carbon dioxide supercharging equipment of the invention and technique are used only compressor progress multi-stage booster and do not use cryogenic liquefying technique and Special Pump pressurizing processes so that final pressure reaches supercriticality, can reduce equipment input cost, reduce Energy in use.
Description
Technical field
The present invention relates to supercritical carbon dioxide supercharging technology fields, it particularly relates to a kind of supercritical carbon dioxide
Supercharging equipment and technique.
Background technique
Currently, the above-critical state conveying injection process of carbon dioxide is first to be pressurized in advance using compressor, makes trapping point
It is pressurized to lower than a certain pressure under critical-point pressure from obtained high-pureness carbon dioxide (because carbon dioxide is in critical-point pressure
Neighbouring phase performance is active), then by being pressurized after cryogenic liquefying using Special Pump, final pressure is made to reach supercriticality.This
The shortcomings that technology is: when environment temperature is higher at the scene, equipment input cost is larger, and Energy in use is higher.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes a kind of supercritical carbon dioxide supercharging equipment and work
Skill can overcome the above-mentioned deficiency of the prior art.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
A kind of supercritical carbon dioxide supercharging equipment, the equipment include level-one entrance buffer cell, and the level-one entrance buffering is single
Member is connect with Trans-critical cycle phase compress cell, and the Trans-critical cycle phase compress cell is connect with circulating cooling unit in hot wind, institute
It states circulating cooling unit in hot wind to connect with final stage entrance buffer cell, the final stage entrance buffer cell and supecritical state increase
Unit connection is pressed, the supecritical state compress cell is connect with outlet cooling unit；
The Trans-critical cycle phase compress cell, supecritical state compress cell are reciprocating-piston compressor；The level-one entrance
Buffer cell, final stage entrance buffer cell are vertical buffering liquid separation tank, and partition and resistance are equipped in the vertical buffering liquid separation tank
Buddhist nun's pipe, the damper tube pass through the partition；The outlet cooling unit is blowing-type air-cooled heat exchanger；
Circulating cooling unit includes Air-cooled Heat Exchanger in the hot wind, and the side of the Air-cooled Heat Exchanger, which is equipped in hot wind, to be followed
The air inlet channel under heat exchange tube bundle in ring channel, the Air-cooled Heat Exchanger is equipped with fan, and the fan is connect with variable-frequency motor, the frequency conversion
Motor is connect with frequency-variable controller；The both ends of the heat-exchanging tube bundle of the Air-cooled Heat Exchanger are respectively equipped with hot side medium inlet, cold
The lower section of side media outlet, the heat-exchanging tube bundle of the Air-cooled Heat Exchanger is equipped with side air inlet mouth, the Air-cooled Heat Exchanger
Circulating air opening in side is equipped with above and below heat-exchanging tube bundle, the top of the heat-exchanging tube bundle of the Air-cooled Heat Exchanger is equipped with
Top outlet inlet, the side air inlet mouth are equipped with and manually control shutter, circulating air opening and top outlet inlet in the side
Equipped with shutter is automatically controlled, the cold side media outlet is equipped with temperature transmitter, the temperature transmitter and temperature controller
Signal connection.
Further, the pull rod of the shutter of circulating air opening, the pull rod of the shutter of top outlet inlet are equal in the side
Hinged with pneumatic actuator, the temperature controller is connect with the pneumatic actuator signal.
Further, the partition is horizontally disposed, and vertical buffering liquid separation tank is divided into two equal cavitys of volume.
Further, the internal diameter of the damper tube is less than vertical buffering liquid separation tank inlet and outlet internal diameter.
Further, Trans-critical cycle pressurization reflux pipeline outlet stool of circulating cooling unit out of hot wind is connected to level-one and enters
The inlet leg of mouth buffer cell；Overcritical pressurization reflux pipeline is connected to heat from the outlet stool of supecritical state compress cell
The inlet leg of circulating cooling unit in wind.
Further, the bottom of the final stage entrance buffer cell is connected to the level-one entrance by blowdown pipeline and buffers
Unit bottom.
Further, outlet stool of the blow-down pipe connection from supecritical state compress cell.
According to another aspect of the present invention, a kind of supercritical carbon dioxide pressurizing processes are provided, which includes as follows
Step:
(1) Trans-critical cycle phase is pressurized: CO 2 medium enters Trans-critical cycle phase compress cell through level-one entrance buffer cell, and two
Carbonoxide medium passes through level-one or two-step supercharging, by low-pressure gaseous boil down to supecritical state；
(2) cooling medium: compressed high temperature carbon dioxide medium enters circulating cooling unit in hot wind and is cooled down, this cooling
Unit uses Air-cooled Heat Exchanger and temperature controller, and CO 2 medium temperature after cooling is controlled at 45 ~ 65 DEG C；
(3) supecritical state is pressurized: supecritical state carbon dioxide after cooling enters super face by final stage entrance buffer cell
Boundary's phase compress cell, pressurized CO 2 medium are discharged after outlet cooling unit is cooled to the temperature of needs.
Beneficial effects of the present invention: by using circulating cooling unit in hot wind, final stage entrance buffer cell and overcritical
Phase compress cell substitutes existing cryogenic liquefying technique and Special Pump pressurizing processes, realizes the function of the overcritical pressurization of compressor
Can, that is, compressor progress multi-stage booster, which is used only, so that final pressure reaches supercriticality can reduce equipment input cost,
Reduce Energy in use.It is automatically controlled by shutter and the control of variable-frequency motor variable speed, realization controls the temperature of cooling medium；
By using the opening and closing of temperature controller control shutter, the accurate control to cold side outlet port temperature is realized.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the supercritical carbon dioxide supercharging equipment described according to embodiments of the present invention；
Fig. 2 is the structural schematic diagram of circulating cooling unit in the hot wind described according to embodiments of the present invention；
Fig. 3 is the structural schematic diagram of the vertical buffering liquid separation tank described according to embodiments of the present invention；
In figure: 1, level-one entrance buffer cell, 2, Trans-critical cycle phase compress cell, 3, circulating cooling unit in hot wind, 4, final stage
Entrance buffer cell, 5, supecritical state compress cell, 6, outlet cooling unit, 7, partition, 8, damper tube, 9, cooling type heat exchange
Device, 10, hot wind inner cycle channel, 11, fan, 12, variable-frequency motor, 13, frequency-variable controller, 14, hot side medium inlet, 15, cold
Side media outlet, 16, side air inlet mouth, 17, circulating air opening in side, 18, top outlet inlet, 19, temperature transmitter, 20, temperature
Spend controller, 21, pneumatic actuator, 22, Trans-critical cycle pressurization reflux pipeline, 23, overcritical pressurization reflux pipeline, 24, sewage pipe
Line, 25, blow-down pipe.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
As shown in Figure 1-3, the supercritical carbon dioxide supercharging equipment described according to embodiments of the present invention, including level-one entrance
Buffer cell 1, the level-one entrance buffer cell 1 are connect with Trans-critical cycle phase compress cell 2, and the Trans-critical cycle phase pressurization is single
Member 2 is connect with circulating cooling unit 3 in hot wind, and circulating cooling unit 3 is connect with final stage entrance buffer cell 4 in the hot wind,
The final stage entrance buffer cell 4 is connect with supecritical state compress cell 5, the supecritical state compress cell 5 and outlet
Cooling unit 6 connects.
The Trans-critical cycle phase compress cell 2, supecritical state compress cell 5 are suitable for the past of CO 2 medium
Multiple piston compressor；The inlet duct of the level-one entrance buffer cell 1 is equipped with stop valve, the level-one entrance buffer cell
1, final stage entrance buffer cell 4 is vertical buffering liquid separation tank, and partition 7 and damper tube 8 are equipped in the vertical buffering liquid separation tank,
The damper tube 8 passes through the partition 7, a low-pass filter is formed, to weaken the air-flow pulse by tank body.It is described every
Plate 7 is horizontally disposed, and vertical buffering liquid separation tank is divided into two equal cavitys of volume, the import of vertical buffering liquid separation tank
It is located at the side wall of lower cavity, the outlet of vertical buffering liquid separation tank is located at the side wall of upper chamber, into lower cavity
For air-flow after gas-liquid separation and buffering, gas part enters upper chamber by damper tube 8, is further buffered.The resistance
The internal diameter of Buddhist nun's pipe 8 is less than the vertical buffering liquid separation tank and imports and exports internal diameter, forms damping to air-flow, and air-flow passes through
The pressure loss of damper tube 8 is no more than 0.5%；Caused by the length of the damper tube 8 should avoid 0.8 ~ 1.2 times of air-flow pulse
Resonant pipe length.The outlet cooling unit 6 is blowing-type air-cooled heat exchanger, the outlet conduit of the outlet cooling unit 6
It is equipped with stop valve.
Circulating cooling unit 3 includes Air-cooled Heat Exchanger 9 in the hot wind, and the side of the Air-cooled Heat Exchanger 9 is equipped with
The air inlet channel under heat exchange tube bundle of hot wind inner cycle channel 10, the Air-cooled Heat Exchanger 9 is equipped with fan 11, the fan 11 and variable-frequency electric
Machine 12 connects, and the variable-frequency motor 12 is connect with frequency-variable controller 13；The heat-exchanging tube bundle top and the bottom of the Air-cooled Heat Exchanger 9
For enclosed construction, the both ends of the heat-exchanging tube bundle of the Air-cooled Heat Exchanger 9 are respectively equipped with hot side medium inlet 14, cold side medium goes out
The lower section of mouth 15, the heat-exchanging tube bundle of the Air-cooled Heat Exchanger 9 is equipped with side air inlet mouth 16, and the Air-cooled Heat Exchanger 9 is changed
It is equipped with circulating air opening 17 in side above and below heat pipe bundle, is set above the heat-exchanging tube bundle of the Air-cooled Heat Exchanger 9
There is top outlet inlet 18, the side air inlet mouth 16 is equipped with manual louver window, and circulating air opening 17 and top go out in the side
Air port 18 is equipped with automatic control shutter, the cold side media outlet 15 and equipped with temperature transmitter 19, the temperature transmitter
19 connect with 20 signal of temperature controller.
The temperature controller 20 is connect with 21 signal of pneumatic actuator, the blinds of circulating air opening 17 in the side
Pull rod, the pull rod of the shutter of top outlet inlet 18 of window are hinged with pneumatic actuator 21, it is ensured that lose in temperature controller 20
When effect, top outlet inlet shutter is closed, and hot wind inner cycle channel shutter is opened.
The Trans-critical cycle pressurization outlet stool of circulating cooling unit 3 out of hot wind of reflux pipeline 22 is connected to level-one entrance buffering
The inlet leg of unit 1；Overcritical pressurization reflux pipeline 23 is connected to hot wind from the outlet stool of supecritical state compress cell 5
The inlet leg of interior circulating cooling unit 3.The bottom of the final stage entrance buffer cell 4 is connected to described by blowdown pipeline 24
1 bottom of level-one entrance buffer cell.The outlet stool of the connection supecritical state compress cell 5 of blow-down pipe 25.
The pressurizing processes of above-mentioned supercritical carbon dioxide supercharging equipment, include the following steps:
(1) Trans-critical cycle phase is pressurized: high-pureness carbon dioxide medium enters Trans-critical cycle phase through level-one entrance buffer cell and is pressurized
Unit, CO 2 medium passes through level-one or two-step supercharging, by low-pressure gaseous boil down to supecritical state；
(2) cooling medium: compressed high temperature carbon dioxide medium enters circulating cooling unit in hot wind and is cooled down, in hot wind
Circulating cooling unit uses Air-cooled Heat Exchanger and temperature controller, by CO 2 medium temperature after cooling control 45 ~
It 65 DEG C, prevents when environment temperature is lower, medium is liquefied because of supercooling；
(3) supecritical state is pressurized: supecritical state carbon dioxide after cooling enters super face by final stage entrance buffer cell
Boundary's phase compress cell, pressurized CO 2 medium are discharged after outlet cooling unit is cooled to the temperature of needs.
Circulating cooling unit 3 in hot wind is used for when environment temperature is between -40 ~ 50 DEG C, by titanium dioxide after cooling
Carbon medium temperature is controlled 45 ~ 65 DEG C (high/low temperature interlocked controls can be performed in the temperature transmitter for being mounted on cold side media outlet),
It prevents when environment temperature is lower, medium is liquefied because of supercooling, to realize the function of the overcritical pressurization of compressor.
In adjustment equipment flow, certain media circulating cooling unit downstream out of hot wind after CO 2 cross-critical pressurization
Branch pipe is pressurized the flow control valve installed on reflux pipeline 22 and Trans-critical cycle pressurization reflux pipeline 22 through Trans-critical cycle and is back to level-one
Entrance buffer cell upstream, certain media flows back from outlet 6 upstream branch conduit of cooling unit through overcritical pressurization after overcritical pressurization
The flow control valve installed on pipeline 23 and overcritical pressurization reflux pipeline 23 is back to 3 upstream of circulating cooling unit in hot wind.
When executing equipment emptying instruction, supecritical state carbon dioxide is from outlet cooling unit upstream branch conduit through blow-down pipe
The blow valve emptying installed on line 25 and blow-down pipe 25.
Final stage entrance buffer cell 4 when executing blowdown instruction, open by the blowdown valve of corresponding vertical buffering liquid separation pot bottom,
Blowdown is to level-one entrance buffer cell 1；Level-one entrance buffer cell 1 is by the blowdown installed on blowdown pipeline 24 and blowdown pipeline 24
The direct blowdown of valve.
In conclusion being entered by means of above-mentioned technical proposal of the invention by using circulating cooling unit, final stage in hot wind
Mouth buffer cell and supecritical state compress cell substitute existing cryogenic liquefying technique and Special Pump pressurizing processes, realize compression
The function of the overcritical pressurization of machine, that is, compressor progress multi-stage booster is used only can drop so that final pressure reaches supercriticality
Low equipment input cost reduces Energy in use.It is automatically controlled by shutter and variable-frequency motor variable speed controls, realized to cooling
The temperature of medium controls；By using the opening and closing of temperature controller control shutter, the accurate control to cold side outlet port temperature is realized
System.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of supercritical carbon dioxide supercharging equipment, which is characterized in that including level-one entrance buffer cell (1), the level-one
Entrance buffer cell (1) is connect with Trans-critical cycle phase compress cell (2), in the Trans-critical cycle phase compress cell (2) and hot wind
Circulating cooling unit (3) connects, and circulating cooling unit (3) is connect with final stage entrance buffer cell (4) in the hot wind, the end
Grade entrance buffer cell (4) is connect with supecritical state compress cell (5), the supecritical state compress cell (5) and outlet
Cooling unit (6) connection；
The Trans-critical cycle phase compress cell (2), supecritical state compress cell (5) are reciprocating-piston compressor；Described one
Grade entrance buffer cell (1), final stage entrance buffer cell (4) are vertical buffering liquid separation tank, in the vertical buffering liquid separation tank
Equipped with partition (7) and damper tube (8), the damper tube (8) passes through the partition (7)；The outlet cooling unit (6) is air blast
Formula air-cooled heat exchanger；
Circulating cooling unit (3) includes Air-cooled Heat Exchanger (9) in the hot wind, and the side of the Air-cooled Heat Exchanger (9) is set
Have hot wind inner cycle channel (10), the air inlet channel under heat exchange tube bundle of the Air-cooled Heat Exchanger (9) is equipped with fan (11), the fan
(11) it is connect with variable-frequency motor (12), the variable-frequency motor (12) connect with frequency-variable controller (13)；The Air-cooled Heat Exchanger
(9) both ends of heat-exchanging tube bundle are respectively equipped with hot side medium inlet (14), cold side media outlet (15), the Air-cooled Heat Exchanger
(9) lower section of heat-exchanging tube bundle is equipped with air inlet (16), above and below the heat-exchanging tube bundle of the Air-cooled Heat Exchanger (9)
Equipped with circulating air opening in side (17), the top of the heat-exchanging tube bundle of the Air-cooled Heat Exchanger (9) is equipped with top outlet inlet (18),
The side air inlet mouth (16) is equipped with and manually controls shutter, circulating air opening (17) and top outlet inlet (18) in the side
Equipped with shutter is automatically controlled, the cold side media outlet (15) is equipped with temperature transmitter (19), the temperature transmitter (19)
It is connect with temperature controller (20) signal.
2. supercritical carbon dioxide supercharging equipment according to claim 1, which is characterized in that circulating air opening in the side
(17) pull rod of shutter, the shutter of top outlet inlet (18) pull rod with pneumatic actuator (21) hingedly, the temperature
Degree controller (20) is connect with the pneumatic actuator (21) signal.
3. supercritical carbon dioxide supercharging equipment according to claim 1, which is characterized in that partition (7) level is set
It sets, vertical buffering liquid separation tank is divided into two equal cavitys of volume.
4. supercritical carbon dioxide supercharging equipment according to claim 1, which is characterized in that the damper tube (8) it is interior
Diameter is less than the vertical buffering liquid separation tank and imports and exports internal diameter.
5. supercritical carbon dioxide supercharging equipment according to claim 1, which is characterized in that Trans-critical cycle is pressurized return pipe
Line (22) outlet stool of circulating cooling unit (3) out of hot wind is connected to the inlet leg of level-one entrance buffer cell (1)；It is super
Critical pressurization reflux pipeline (23) is connected to circulating cooling unit in hot wind from the outlet stool of supecritical state compress cell (5)
(3) inlet leg.
6. supercritical carbon dioxide supercharging equipment according to claim 1, which is characterized in that the final stage entrance buffering is single
The bottom of first (4) connects level-one entrance buffer cell (1) bottom by blowdown pipeline connection (24).
7. supercritical carbon dioxide supercharging equipment according to claim 1, which is characterized in that the blow-down pipe (25) is even
Connect the outlet stool of the supecritical state compress cell (5).
8. a kind of supercritical carbon dioxide pressurizing processes, which comprises the steps of:
(1) Trans-critical cycle phase is pressurized: CO 2 medium enters Trans-critical cycle phase compress cell through level-one entrance buffer cell, and two
Carbonoxide medium passes through level-one or two-step supercharging, by low-pressure gaseous boil down to supecritical state；
(2) cooling medium: compressed high temperature carbon dioxide medium enters circulating cooling unit in hot wind and is cooled down, this cooling
Unit uses Air-cooled Heat Exchanger and temperature controller, and CO 2 medium temperature after cooling is controlled at 45 ~ 65 DEG C；
(3) supecritical state is pressurized: supecritical state carbon dioxide after cooling enters super face by final stage entrance buffer cell
Boundary's phase compress cell, pressurized CO 2 medium are discharged after outlet cooling unit is cooled to the temperature of needs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910510196.1A CN110319352A (en) | 2019-06-13 | 2019-06-13 | A kind of supercritical carbon dioxide supercharging equipment and technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910510196.1A CN110319352A (en) | 2019-06-13 | 2019-06-13 | A kind of supercritical carbon dioxide supercharging equipment and technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165725A (en) * | 2021-12-14 | 2022-03-11 | 中氢(湖南)氢能装备有限公司 | Supercritical working medium rapid filling and accurate supply device and method |
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| CN114165725A (en) * | 2021-12-14 | 2022-03-11 | 中氢(湖南)氢能装备有限公司 | Supercritical working medium rapid filling and accurate supply device and method |
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