CN110469774A - A kind of temperature-changeable gas supply system and method based on liquid refrigerant - Google Patents
A kind of temperature-changeable gas supply system and method based on liquid refrigerant Download PDFInfo
- Publication number
- CN110469774A CN110469774A CN201910836164.0A CN201910836164A CN110469774A CN 110469774 A CN110469774 A CN 110469774A CN 201910836164 A CN201910836164 A CN 201910836164A CN 110469774 A CN110469774 A CN 110469774A
- Authority
- CN
- China
- Prior art keywords
- temperature
- gas
- outlet
- room temperature
- liquid refrigerant
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 239000003507 refrigerant Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003139 buffering effect Effects 0.000 claims abstract description 32
- 238000002309 gasification Methods 0.000 claims abstract description 31
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 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
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- 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
-
- 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
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/035—High pressure (>10 bar)
-
- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
-
- 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
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of temperature-changeable gas supply system and method based on liquid refrigerant.This system includes mobile storage tank (1), the outlet of the mobile storage tank (1) is separately connected room temperature gasifier (2) and low temperature gasification device (3), for the liquid working substance in the mobile storage tank (1) to be inputted the room temperature gasifier (2) and the low temperature gasification device (3)；The outlet of the room temperature gasifier (2) is connect by a room temperature valve (4) with the entrance for buffering air reservoir (6), the outlet of the low temperature gasification device (3) is connect by a Subzero valve (5) with the entrance of the buffering air reservoir (6), the outlet of the buffering air reservoir (6) is connected to flowmeter (8) through flow control valve (7), and the outlet of the flowmeter (8) is connect through gas heater (9) with the output port of temperature-changeable gas supply system.This system can guarantee any combination supply of gas flow and temperature, and can be adapted to diversified gas supply.
Description
Technical field
The present invention relates to refrigeration and cryogenic technology fields, and in particular to supplies to a kind of temperature-changeable gas based on liquid refrigerant
Answer system and method.
Background technique
In many scientific researches, industrial circle, need to carry out refrigeration low-temperature processing to research object and engineering object, to required
Refrigeration low-temperature environment propose more requirement, for example vibrate low, temperature uniformity is good etc..Traditional refrigeration machine mode, often
Volume is larger, and inconvenience is mobile, and there are biggish vibrations, cause experimental project effect poor, and directlys adopt saturation low temperature
Often there is the problems such as temperature is fixed, warm area mismatches in the mode that liquid impregnates.
In the precision equipment integrating process of big science engineering, it is often necessary to heated baking partially or wholly is carried out,
Some is intended to rewarming, and some is intended to remove moisture, these equipment tend not to directly heat, or even can not pass through heater reality
It is existing.
No matter being to provide low temperature environment, or heated baking is carried out to equipment, scene generally cannot easily provide gas
Working medium generally requires ceaselessly to replace gas cylinder, occupies more manpower financial capacity.
Summary of the invention
In consideration of it, the invention proposes a kind of specially designed temperature-changeable gas supply systems and confession based on liquid refrigerant
Induction method, for solving the problems, such as background above technology introduction.
Specific technical solution is as follows:
A kind of temperature-changeable gas supply system based on liquid refrigerant, which is characterized in that including mobile storage tank 1, the movement
The outlet of storage tank 1 is separately connected room temperature gasifier 2 and low temperature gasification device 3, for inputting the liquid working substance in the mobile storage tank 1
The room temperature gasifier 2 and the low temperature gasification device 3；The outlet of the room temperature gasifier 2 passes through a room temperature valve 4 and buffering air reservoir 6
The outlet of entrance connection, the low temperature gasification device 3 is connect by a Subzero valve 5 with the entrance of the buffering air reservoir 6, the buffering air reservoir
6 outlet is connected to flowmeter 8 through flow control valve 7, and the outlet of the flowmeter 8 is supplied through gas heater 9 and temperature-changeable gas
The output port of system connects.
Further, the output port includes the fast socket 14 of gas, the fast interface 15 of vacuum and edge of a knife flange 16；Wherein,
The first shutoff valve of outlet 11 of gas heater 9 is connect with the fast socket 14 of gas, second section of the outlet of gas heater 9
Only valve 12 is connect with the fast interface 15 of vacuum, and the outlet of gas heater 9 is connect through third shutoff valve 13 with edge of a knife flange 16.
Further, the outlet of the buffering air reservoir 6 is connected to direct air-path interface 18 through direct gas circuit valve 17, for direct
Export low temperature gas or room temperature gas.
Further, the entrance of the buffering air reservoir 6 is placed at bottom 1/4, top setting outlet.
Further, the entrance of the gas heater 9 is placed in bottom, outlet setting temperature sensor 10.
Further, the entrance of room temperature gasifier 2 is placed in bottom, outlet is placed in top, and external setting high current wind apparatus；
The entrance of low temperature gasification device 3 is placed in bottom, outlet is placed in top, and external setting high current wind apparatus.
A kind of temperature-changeable gas supply method based on liquid refrigerant, step include:
1) when needing high-temperature gas, the liquid working substance in mobile storage tank 1 is inputted into room temperature gasifier 2；Room temperature gasifier 2
The liquid refrigerant of input is heated to be gas at normal temperature automatically and is input to buffering air reservoir 6, which is input to gas for gas
Body heater 9 carries out being output to output port after being heated to setting high-temperature temperature；
2) when needing cryogenic gas, the liquid working substance in mobile storage tank 1 is inputted into low temperature gasification device 3；Low temperature gasification device 3
Automatically the liquid refrigerant that mobile storage tank 1 inputs is handled as cryogenic gas and is input to buffering air reservoir 6, the buffering air reservoir 6 is by gas
Body is input to gas heater 9 and carries out being output to output port after being heated to setting cryogenic temperature.
Further, which is input to gas heater 9 through flow control valve 7, flowmeter 8 for gas.
Further, according to the aperture of the feedback automatic adjustment flow control valve 7 of flowmeter 8, when the flow that flowmeter 8 monitors
When less than setting value Q, 7 aperture of flow control valve is opened greatly automatically, when the flow that flowmeter 8 monitors is greater than the set value Q, flow control valve
7 apertures turn down automatically.
Further, the entrance of gas heater 9 is placed in bottom, outlet setting temperature sensor 10；Work as temperature sensor
When 10 temperature measured are less than setting value T, the power of gas heater 9 increases automatically, when the temperature that temperature sensor 10 measures
When being greater than the set value T, the power of gas heater 9 reduces automatically.
Temperature-changeable gas supply system of the invention, including mobile storage tank 1, room temperature gasifier 2, low temperature gasification device 3, room temperature
Valve 4, Subzero valve 5, buffering air reservoir 6, flow control valve 7, flowmeter 8, gas heater 9, temperature sensor 10, first end
It is valve 11, the second shutoff valve 12, third shutoff valve 13, the fast socket 14 of gas, the fast interface 15 of vacuum, edge of a knife flange 16, straight
Gas circuit valve 17, direct air-path interface 18 etc. are connect, the liquid refrigerant of input can be heated to be automatically room temperature gas by room temperature gasifier 2
Body；Low temperature gasification device 3 can automatically be handled the liquid refrigerant of input for cryogenic gas.Mobile storage tank 1 exports while connection is normal
Warm gasifier 2 and low temperature gasification device 3, the outlet of room temperature gasifier 2 are connected to buffering air reservoir 6, low temperature gasification device by room temperature valve 4
3 outlets are connected to buffering air reservoir 6 by Subzero valve 5, and the outlet of buffering air reservoir 6 is connected to flowmeter 8 through flow control valve 7, flows
The outlet of meter 8 is connected to gas heater 9, and when needing high-temperature gas, room temperature valve 4 is opened, liquid refrigerant in mobile storage tank 1
Into room temperature gasifier 2, becomes room temperature air and final gas coming through heater 9, be heated to setting high-temperature temperature, work as needs
When cryogenic gas, Subzero valve 5 is opened, and liquid refrigerant enters low temperature gasification device 5, becomes low temperature saturated gas, and finally flow through
Gas heater 9 is heated to setting cryogenic temperature.The outlet of gas heater 9 is connected to the first shutoff valve 11, the simultaneously
The entrance of two shutoff valves 12, third shutoff valve 13, the entrance of direct gas circuit valve 17 are connected to the outlet of buffering air reservoir 6.
In a preferable embodiment of the invention, the stored working medium of mobile storage tank 1 is the liquid refrigerant that boiling point is lower than room temperature.
In a preferable embodiment of the invention, room temperature gasifier 2 and low temperature gasification device 3, entrance are placed in bottom, and outlet is set
In top, outside setting high current wind, miniaturization processing.
In a preferable embodiment of the invention, buffering 6 entrance of air reservoir is placed at bottom 1/4, top setting outlet.
In a preferable embodiment of the invention, 7 aperture of flow control valve is not fixed, and is carried out according to the feedback of flowmeter 8 automatic
It adjusts.Using closed-loop control, when flowmeter shows that flow is less than setting value Q, 7 aperture of flow control valve is opened greatly automatically, when being greater than
When setting value Q, 7 aperture of flow control valve turns down automatically, PID control Automatic-searching equalization point.
In a preferable embodiment of the invention, 9 entrance of gas heater is placed in bottom, outlet setting temperature sensor
10, heating power is not fixed, and is automatically adjusted according to temperature feedback.Using closed-loop control, when temperature sensor 10 measures temperature
When degree is less than setting value T, the power of gas heater 9 increases automatically, and when being greater than the set value T, power reduces automatically, PID control
Automatic-searching equalization point processed.
In a preferable embodiment of the invention, 9 structure of gas heater is heating calancria double stage tandem, can be to avoid simultaneously
The gas flow distribution of connection mode is uneven, and thus caused heating power difference, causes the larger temperature fluctuation in rear end
In a preferable embodiment of the invention, the first shutoff valve 11, the second shutoff valve 12, third shutoff valve 13
Configure multiple interfaces form.
In a preferable embodiment of the invention, direct gas circuit valve 17 and direct air-path interface 18 are set.
In a preferable embodiment of the invention, the beginning of qi of chong channel ascending adversely library 6 of postponing sequentially arrives the fast socket 14 of gas, vacuum connects fastly
The connecting pipe of mouth 15, edge of a knife flange 16, using heat-insulated pipe component.
Compared to the prior art, a kind of temperature-changeable gas supply system based on liquid refrigerant provided by the invention has such as
Lower advantage:
First, low temperature gasification device 3 is set, and cooperation gas heater 9 realizes -200 DEG C of low temperature specifying to room temperature (room temperature)
Temperature gas supply；
Second, room temperature gasifier 2 is set, and the assigned temperature gas for realizing room temperature to high temperature is supplied；
Third guarantees any combination supply of gas flow and temperature in scope of design；
4th, the liquid refrigerant based on mobile storage tank 1 guarantees the relatively large supply of gas, and body as gas supply source head
Product is compact, and safe coefficient is high；
5th, working medium type is not unique, can be adapted to diversified gas supply.
Detailed description of the invention
Fig. 1 is the schematic diagram of the temperature-changeable gas supply system based on liquid refrigerant.
Wherein, 1- mobile storage tank, 2- room temperature gasifier, 3- low temperature gasification device, 4- room temperature valve, 5- Subzero valve, 6- are slow
Qi of chong channel ascending adversely library, 7- flow control valve, 8- flowmeter, 9- gas heater, 10- temperature sensor, the first shutoff valve of 11-, 12- second
Shutoff valve, 13- third shutoff valve, the fast socket of 14- gas, the fast interface of 15- vacuum, 16- edge of a knife flange, the direct gas circuit of 17-
Valve, the direct air-path interface of 18-.
Fig. 2 is the schematic diagram of low temperature and room temperature gasifier.
Wherein, I indicates that entrance, O indicate outlet, and F indicates that blower, H indicate that heat exchanger, T0 indicate outlet thermometer.
Specific embodiment
Illustrate technical solution of the present invention in order to clearer, the embodiment of the present invention is carried out below in conjunction with attached drawing
Further instruction, it is clear that, the embodiment in following accompanying drawings is only some embodiments of the present invention, to those skilled in the art
For member, other attached drawings can be obtained according to these attached drawings without creative efforts.
With reference to Fig. 1, the present invention provides a kind of temperature-changeable gas supply system based on liquid refrigerant, including mobile storage tank 1,
Room temperature gasifier 2, low temperature gasification device 3, room temperature valve 4, Subzero valve 5, buffering air reservoir 6, flow control valve 7, flowmeter 8, gas
Heater 9, temperature sensor 10, the first shutoff valve 11, the second shutoff valve 12, third shutoff valve 13, the fast socket of gas
14, the fast interface 15 of vacuum, edge of a knife flange 16, direct gas circuit valve 17, direct air-path interface 18 etc., mobile storage tank 1 export while connecting
Room temperature gasifier 2 and low temperature gasification device 3 are connect, room temperature gasifier 2, the outlet of low temperature gasification device 3 are connected to buffering air reservoir 6, buffer gas
The outlet in library 6 is connected to flow control valve 7, and the outlet of flowmeter 8 is connected to gas heater 9, and the outlet of gas heater 9 connects simultaneously
It is connected to the entrance of the first shutoff valve 11, the second shutoff valve 12, third shutoff valve 13, the entrance connection of direct gas circuit valve 17
To the outlet of buffering air reservoir 6.
In the present embodiment, storage working medium is the liquid refrigerant that boiling point is lower than room temperature, 2 He of room temperature gasifier in mobile storage tank 1
Low temperature gasification device 3, the two use parallel way, and entrance is combined in bottom, and outlet is summarized in top, and suitable high current is arranged in outside
Wind increases heat transfer effect, realizes component miniaturization, (i.e. rotation speed of fan is by outlet temperature by outlet temperature meter T0 control for blower F revolving speed
The outlet temperature of degree meter monitoring is as control signal), when temperature is close to liquid refrigerant saturation temperature, increases speed, be higher than
When certain value, revolving speed is reduced.
In the present embodiment, buffering 6 entrance of air reservoir is placed at bottom 1/4, and top setting outlet, buffering gas tank 6 exports
Direct gas circuit valve 17 have active pressure relief, guarantee in unattended situation, whole system pressure will not be too high, sets simultaneously
Safety valve is set, even if system failure power failure etc., guarantees to be perfectly safe.
In the present embodiment, 7 aperture of flow control valve is in dynamic change, is automatically adjusted, is protected according to the feedback of flowmeter 8
Demonstrate,prove the flow value of setting.9 entrance of gas heater is placed in bottom, outlet setting temperature sensor 10, and heating power is in dynamic
It in variation, is automatically adjusted according to temperature feedback, guarantees the Outlet Temperature value of setting.9 structure of gas heater is twin-stage string
Connection guarantees homogeneous heating, and small-power the using and the reserved, power, which increases to certain value, all to be activated.
In the present embodiment, the first shutoff valve 11, the second shutoff valve 12, third shutoff valve 13 configure multiple interfaces shape
Formula can satisfy the multiple choices using object, depending on concrete condition, selection connection sealing means.Direct gas circuit valve 17 is set
With direct air-path interface 18, low temperature gas and room temperature gas can be directly used.Postpone qi of chong channel ascending adversely library 6 beginning, subsequent pipeline and component are equal
Heat using insulated design, when moisture condensation frosting and high temperature when guaranteeing the accurate control of temperature, while low temperature being avoided to supply supply
Amount is lost.
In the present embodiment, in the use process of the temperature-changeable air supply system based on liquid refrigerant, first have in mobile storage tank
The middle enough liquid refrigerants of injection, and whole system is purged or replaced, guarantee that whole system entrance is sealed up for safekeeping to outlet
Then pure working media keep after reaching certain balance pressure, selected according to target conditions from being pressurized to mobile storage tank
It selects corresponding gasifier and opens respective valves, set target flow value and target temperature, open outlet shutoff valve behind the door, system
It can guarantee to stablize gas supply work with automatic work.
In the present embodiment, the design of gas heater 9, flow control valve 7, room temperature gasifier 2, low temperature gasification device 3 etc. wants comprehensive
Close the factors such as reference pressure, gas supply capacity, temperature, heat exchange amount, system stability.Specifically, according to pressure and maximum confession
Gas ability can design the resistance regulation coefficient of flow control valve 7,Wherein δ indicates that resistance regulation coefficient, Δ P indicate
Pressure difference, ρ indicate density, and u indicates flow velocity.Most brief summary according to minimum gas supply capacity design low temperature gasification device 3 and room temperature gasifier 2
Structure parameter,Wherein QhIndicate heat exchange amount,Indicate mass flow, Δ H indicates enthalpy difference, and k indicates comprehensive
Heat transfer coefficient is closed, A indicates that heat exchange area, Δ T indicate the temperature difference.Low temperature gasification device 3 and room temperature can be designed according to maximum gas supply capacity
The maximum air supply parameter of gasifier 2, h=f (u), wherein h indicates that convection transfer rate, u indicate wind speed, f representative function relationship.
The parameters such as the electrical power of determining gas heater 9 can be designed according to feed air temperature and maximum gas supply capacity, QdIndicate electrical power, Cp indicates specific heat capacity, and To indicates outlet temperature, and Ti indicates inlet temperature.
Low temperature gasification device 3 is arranged in the present invention, and cooperation gas heater 9 realizes about -200 DEG C of the low temperature assigned temperatures for arriving room temperature
Gas supply；Room temperature gasifier 2 is set, and the assigned temperature gas for realizing room temperature to high temperature is supplied；Therefore the present invention is in design model
In enclosing, guarantee any combination supply of gas flow and temperature.
The present invention is based on the liquid refrigerants of mobile storage tank 1 as gas supply source head, guarantees the relatively large supply of gas, and body
Product is compact, and safe coefficient is high；And working medium type is not unique, can be adapted to diversified gas supply.
The above is only used to illustrate the technical scheme of the present invention, and not makes limitation to invention, although above-mentioned implementation
Example is made that detailed description, but those skilled in the art can carry out it in the range of not departing from the technical program
It replaces, modify and simply changes, and these replace, modify and simply change the essence disengaging sheet that can not make corresponding technical solution
Use the range of new embodiment.
Claims (10)
1. a kind of temperature-changeable gas supply system based on liquid refrigerant, which is characterized in that including mobile storage tank (1), the movement
The outlet of storage tank (1) is separately connected room temperature gasifier (2) and low temperature gasification device (3), is used for the liquid in the mobile storage tank (1)
Working medium inputs the room temperature gasifier (2) and the low temperature gasification device (3)；The outlet of the room temperature gasifier (2) passes through a room temperature valve
(4) it is connect with the entrance of buffering air reservoir (6), the outlet of the low temperature gasification device (3) passes through a Subzero valve (5) and the buffering air reservoir
(6) entrance connection, the outlet of the buffering air reservoir (6) are connected to flowmeter (8) through flow control valve (7), which goes out
Mouth is connect through gas heater (9) with the output port of temperature-changeable gas supply system.
2. the temperature-changeable gas supply system based on liquid refrigerant as described in claim 1, which is characterized in that the output end
Mouth includes the fast socket of gas (14), the fast interface of vacuum (15) and edge of a knife flange (16)；Wherein, the outlet warp of gas heater (9)
First shutoff valve (11) is connect with the fast socket of gas (14), the second shutoff valve of outlet (12) of gas heater (9) with
The fast interface of vacuum (15) connection, the outlet of gas heater (9) is connect through third shutoff valve (13) with edge of a knife flange (16).
3. the temperature-changeable gas supply system based on liquid refrigerant as claimed in claim 1 or 2, which is characterized in that the buffering
The outlet of air reservoir (6) is connected to direct air-path interface (18) through direct gas circuit valve (17), for directly exporting low temperature gas or room temperature
Gas.
4. the temperature-changeable gas supply system based on liquid refrigerant as described in claim 1, which is characterized in that the buffering air reservoir
(6) entrance is placed at bottom 1/4, top setting outlet.
5. the temperature-changeable gas supply system based on liquid refrigerant as described in claim 1, which is characterized in that gas heating
The entrance of device (9) is placed in bottom, outlet setting temperature sensor (10).
6. the temperature-changeable gas supply system based on liquid refrigerant as described in claim 1, which is characterized in that room temperature gasifier
(2) entrance is placed in bottom, outlet is placed in top, and external setting high current wind apparatus；The entrance of low temperature gasification device (3) is placed in bottom
Portion, outlet are placed in top, and external setting high current wind apparatus.
7. a kind of temperature-changeable gas supply method based on liquid refrigerant, step include:
1) when needing high-temperature gas, the liquid working substance in mobile storage tank (1) is inputted into room temperature gasifier (2)；Room temperature gasifier
(2) liquid refrigerant of input is heated to be gas at normal temperature automatically and is input to buffering air reservoir (6), the buffering air reservoir (6) is by gas
Gas heater (9) is input to carry out being output to output port after being heated to setting high-temperature temperature；
2) when needing cryogenic gas, the liquid working substance in mobile storage tank (1) is inputted into low temperature gasification device (3)；Low temperature gasification device
(3) liquid refrigerant that mobile storage tank (1) inputs is handled as cryogenic gas automatically and is input to buffering air reservoir (6), the buffering gas
Gas is input to gas heater (9) and carries out being output to output port after being heated to setting cryogenic temperature by library (6).
8. the method for claim 7, which is characterized in that the buffering air reservoir (6) is by gas through flow control valve (7), flow
Meter (8) is input to gas heater (9).
9. method according to claim 8, which is characterized in that automatically adjust flow control valve (7) according to the feedback of flowmeter (8)
Aperture, when flowmeter (8) monitoring flow be less than setting value Q when, flow control valve (7) aperture is opened greatly automatically, when flowmeter (8)
When the flow of monitoring is greater than the set value Q, flow control valve (7) aperture turns down automatically.
10. the method for claim 7, which is characterized in that the entrance of gas heater (9) is placed in bottom, outlet setting
Temperature sensor (10)；When the temperature that temperature sensor (10) measures is less than setting value T, the power of gas heater (9) is certainly
Dynamic to increase, when the temperature that temperature sensor (10) measures is greater than the set value T, the power of gas heater (9) reduces automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836164.0A CN110469774A (en) | 2019-09-05 | 2019-09-05 | A kind of temperature-changeable gas supply system and method based on liquid refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910836164.0A CN110469774A (en) | 2019-09-05 | 2019-09-05 | A kind of temperature-changeable gas supply system and method based on liquid refrigerant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469774A true CN110469774A (en) | 2019-11-19 |
Family
ID=68514888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910836164.0A Pending CN110469774A (en) | 2019-09-05 | 2019-09-05 | A kind of temperature-changeable gas supply system and method based on liquid refrigerant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469774A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156883A (en) * | 2015-10-20 | 2015-12-16 | 沧州市天龙燃烧设备有限公司 | LNG gasification pressure regulating device and LNG gasification pressure regulating process |
| CN105840983A (en) * | 2016-06-01 | 2016-08-10 | 乐山市山鹰模具有限责任公司 | LNG skid-mounted fuel gas supply device |
| RU2659414C1 (en) * | 2017-03-21 | 2018-07-02 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | System for the cryogenic liquid supply into the tank, the cryogenic liquid gasification and the high pressure gas storage |
| CN208185885U (en) * | 2018-04-13 | 2018-12-04 | 宁夏玲杰科技有限公司 | A kind of storage of LNG gasification station and output system |
| CN109237304A (en) * | 2018-06-04 | 2019-01-18 | 国网安徽省电力有限公司电力科学研究院 | Electrical equipment mix insulation gas prepares filling system |
| CN211083628U (en) * | 2019-09-05 | 2020-07-24 | 中国科学院高能物理研究所 | Variable-temperature gas supply system based on liquid working medium |
-
2019
- 2019-09-05 CN CN201910836164.0A patent/CN110469774A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156883A (en) * | 2015-10-20 | 2015-12-16 | 沧州市天龙燃烧设备有限公司 | LNG gasification pressure regulating device and LNG gasification pressure regulating process |
| CN105840983A (en) * | 2016-06-01 | 2016-08-10 | 乐山市山鹰模具有限责任公司 | LNG skid-mounted fuel gas supply device |
| RU2659414C1 (en) * | 2017-03-21 | 2018-07-02 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | System for the cryogenic liquid supply into the tank, the cryogenic liquid gasification and the high pressure gas storage |
| CN208185885U (en) * | 2018-04-13 | 2018-12-04 | 宁夏玲杰科技有限公司 | A kind of storage of LNG gasification station and output system |
| CN109237304A (en) * | 2018-06-04 | 2019-01-18 | 国网安徽省电力有限公司电力科学研究院 | Electrical equipment mix insulation gas prepares filling system |
| CN211083628U (en) * | 2019-09-05 | 2020-07-24 | 中国科学院高能物理研究所 | Variable-temperature gas supply system based on liquid working medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI577950B (en) | Air conditioning device and its operation method | |
| CN203642421U (en) | Thermoregulation dehumidifier | |
| CN205333553U (en) | Capability test device of heat pipe exchanger spare | |
| WO2023029419A1 (en) | Two-phase liquid cooling testing system and method | |
| CN206610182U (en) | A kind of device of control high/low temperature circulation change and constant temperature | |
| CN105066341A (en) | Variable water temperature control system suitable for air conditioning secondary pump system | |
| CN110469774A (en) | A kind of temperature-changeable gas supply system and method based on liquid refrigerant | |
| CN108021159B (en) | Crystallization kettle temperature control system and control method | |
| CN207214207U (en) | heating system | |
| CN109140630A (en) | Air handling system, temperature adjustment and humidity adjust control method | |
| CN204515573U (en) | A kind of heating radiator thermal property detects water temperature, flow control system | |
| CN211083628U (en) | Variable-temperature gas supply system based on liquid working medium | |
| CN204830333U (en) | Become water temperature control system suitable for air conditioner two stage pump system | |
| CN208607069U (en) | A kind of cryogenic material Mechanics Performance Testing attemperator | |
| CN207849675U (en) | A kind of air-conditioning device of energy efficiency temperature control | |
| CN206207002U (en) | A kind of electric heating carburetor | |
| CN106121974A (en) | A kind of cryogenic energy utilization liquefied natural gas compressor and method | |
| US20240167708A1 (en) | System and method for controlling temperature and water content of an airstream | |
| CN214307348U (en) | Constant temperature room temperature governing system based on cold source and heat source | |
| CN213018900U (en) | Stable supercritical carbon dioxide gas supply system | |
| CN106015915A (en) | Air conditioner system, air storage device and pressure stabilizing adjusting method of air storage device | |
| CN203797856U (en) | Indoor constant-temperature constant-humidity system | |
| CN209802460U (en) | air volume calibration system | |
| CN107499747B (en) | A kind of bulk bin heating system | |
| CN114062000B (en) | Device and method for testing performance of intercooler of fuel cell system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |