CN108556726A - A kind of vehicular liquefaction day hot gas gasification installation stores exothermic processes and transport vehicle - Google Patents
A kind of vehicular liquefaction day hot gas gasification installation stores exothermic processes and transport vehicle Download PDFInfo
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- CN108556726A CN108556726A CN201810064366.3A CN201810064366A CN108556726A CN 108556726 A CN108556726 A CN 108556726A CN 201810064366 A CN201810064366 A CN 201810064366A CN 108556726 A CN108556726 A CN 108556726A
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- exchanger tube
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/046—Methods for emptying or filling by even emptying or filling
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- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/046—Enhancing energy recovery
-
- 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
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
- F17C2270/0178—Cars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of vehicular liquefaction day hot gas gasification installation, storage exothermic processes and transport vehicle, described devices to include：Liquid gas storage tank for being loaded on transport vehicle；The liquid gas storage tank bottom is equipped with heat-accumulator tank, and phase-changing energy storage material is filled in the heat-accumulator tank and is equipped with the first heat exchanger tube and the second heat exchanger tube；The inlet and outlet of first heat exchanger tube and second heat exchanger tube stretches out the heat-accumulator tank, and the first heat exchanger tube import connect with carrier platoon tracheae and exports hanging；The second heat exchanger tube import is connect with the liquid gas storage tank and its outlet is connect with thermalization gas tank escape pipe.First heat exchanger tube recycles automobile high-temperature tail gas, phase-changing energy storage material absorbs storage heat, when liquefied natural gas flows through the second heat exchanger tube, phase-changing energy storage material discharges heat with the liquefied natural gas that gasifies, to realize the recycling to high-temperature tail gas heat, the energy dissipation for avoiding high-temperature tail gas, has saved the energy.
Description
Technical field
The present invention relates to liquefied natural gas transport technical field, more particularly to a kind of vehicular liquefaction day hot gas gasification dress
It sets, store exothermic processes and transport vehicle.
Background technology
Natural gas is a kind of cleaning, efficiently environmental high-grade energy and fuel.With the development of society, countries in the world are
The situation of reply ecological environmental pollution getting worse, promotes social sustainable development at optimization energy consumption structure, and increases
To the research dynamics of the development and utilization technology of liquefied natural gas, the construction of natural gas fields has become global energy strategic development with utilization
The most important thing.Liquefied natural gas is that natural gas is compressed, is cooled to less than becoming liquid after -161.5 DEG C, and main component is
Methane.The advantages such as liquefied natural gas is flexible with its transport, efficiency of storage is high, operating cost is low obtain more and more users blueness
It looks at.
Liquefied natural gas needs to gasify again when for users to use.In the prior art, the gasification of vehicle liquefied natural gas
Device generally uses engine cooling water as heat source by liquefied natural gas gasifying, and gasification installation is not by automobile exhaust pipe
Heat source of the high-temperature tail gas of discharge as gasification, causes energy waste.
Thus the prior art could be improved and improve.
Invention content
The technical problem to be solved in the present invention is, in view of the deficiencies of the prior art, provides a kind of vehicular liquefaction day heat
Gas gasification installation stores exothermic processes and transport vehicle, to solve energy wave existing for existing vehicular liquefied natural gas gasifying device
The problem of taking.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is as follows：
A kind of vehicular liquefaction day hot gas gasification installation comprising：Liquid gas storage tank for being loaded on transport vehicle；The liquefaction
Gas tank bottom is provided with heat-accumulator tank, is filled with phase-changing energy storage material in the heat-accumulator tank, and it is internally provided with the first heat exchange
Pipe and the second heat exchanger tube；The inlet and outlet of first heat exchanger tube and second heat exchanger tube stretches out the heat-accumulator tank, institute
The import for stating the first heat exchanger tube is connected with carrier platoon tracheae, and outlet is hanging, to provide heat for the phase-changing energy storage material
Amount；The import of second heat exchanger tube is connected with liquid gas storage tank, and outlet is connected with the escape pipe of liquid gas storage tank.
The vehicular liquefaction day hot gas gasification installation, wherein above and below first heat exchanger tube and second heat exchanger tube
It is arranged side by side, and is provided with gap between the two.
The vehicular liquefaction day hot gas gasification installation, wherein be provided with solenoid valve on second heat exchanger tube, pass through institute
State the flow of liquefied natural gas in the second heat exchanger tube described in solenoid valve control.
The vehicular liquefaction day hot gas gasification installation, wherein first heat exchanger tube and second heat exchange tube structure,
It is in both tubular type or coiled, and its inner and/or outer surface is provided with several fins.
The vehicular liquefaction day hot gas gasification installation, wherein the outer surface of the heat-accumulator tank is provided with a thermal insulation layer, institute
The thickness for stating thermal insulation layer is more than 5cm.
The vehicular liquefaction day hot gas gasification installation, wherein vehicle-mounted immersion LNG vapour is provided in the liquid gas storage tank
Change device, the gas outlet of the vehicle-mounted immersion LNG vaporization device is connected with the escape pipe of the liquid gas storage tank.
The vehicular liquefaction day hot gas gasification installation, wherein the phase transition temperature of the phase-changing energy storage material is 48-64
℃。
A kind of storage exothermic processes of vehicular liquefied natural gas gasifying device, the method includes：After transport vehicle startup,
It transports the tail gas that car engine generates and the first heat exchanger tube is entered by the import of the first heat exchanger tube, after flowing through first heat exchanger tube
It is discharged by the outlet of the first heat exchanger tube；When the tail gas flows through first heat exchanger tube, the tail gas and First Heat Exchanger
The phase-changing energy storage material of surrounding carries out heat conduction heat exchange, to provide heat source for phase-changing energy storage material.
The storage exothermic processes of the vehicular liquefied natural gas gasifying device further include：
When needing the escape pipe by liquid gas storage tank that natural gas is discharged, vehicle-mounted immersion LNG vaporization device starts, and opens second
Solenoid valve on heat exchanger tube, liquefied natural gas flows into the second heat exchanger tube by the import of the second heat exchanger tube in liquid gas storage tank, and with
Phase-changing energy storage material around second heat exchanger tube carries out heat conduction heat exchange, is gasified with absorbing the heat of phase-changing energy storage material, gas
Natural gas after change is mixed by the outlet of the second heat exchanger tube with the gasification natural gas for carrying immersion LNG vaporization device, and enters liquid
The escape pipe of LPG cylinder.
A kind of natural gas transportation vehicle comprising as above any vehicular liquefaction day hot gas gasification installation.
Advantageous effect：Compared with prior art, the present invention provides a kind of vehicular liquefaction day hot gas gasification installation, storages to put
Hot method and transport vehicle, described device include：Liquid gas storage tank for being loaded on transport vehicle；The liquid gas storage tank bottom is equipped with
Heat-accumulator tank, the heat-accumulator tank are interior filled with phase-changing energy storage material and equipped with the first heat exchanger tube and the second heat exchanger tube；Described first changes
The inlet and outlet of heat pipe and second heat exchanger tube stretches out the heat-accumulator tank, the first heat exchanger tube import and carrier platoon
Tracheae connects and outlet is hanging, to provide heat for phase-changing energy storage material；The second heat exchanger tube import and the liquid gas storage tank
Connection, and its outlet is connect with thermalization gas tank escape pipe.First heat exchanger tube recycles automobile high-temperature tail gas, and phase-changing energy storage material absorbs
Heat is stored, when liquefied natural gas flows through the second heat exchanger tube, phase-changing energy storage material discharges heat with the liquefied natural gas that gasifies, thus
The recycling to high-temperature tail gas heat is realized, the energy dissipation of high-temperature tail gas is avoided, has saved the energy.
Description of the drawings
Fig. 1 is the schematic diagram of vehicular provided by the invention liquefaction day hot gas gasification installation.
In the one embodiment of Fig. 2 for vehicular provided by the invention liquefaction day hot gas gasification installation, the second heat exchanger tube
Structural schematic diagram.
Fig. 3 is to have microchannel knot in one embodiment of vehicular provided by the invention liquefaction day hot gas gasification installation
The structural schematic diagram of the tablet of structure.
Specific implementation mode
A kind of vehicular liquefaction day hot gas gasification installation of present invention offer stores exothermic processes and transport vehicle, to make the present invention
Purpose, technical solution and effect it is clearer, clear, the embodiment that develops simultaneously referring to the drawings to the present invention further specifically
It is bright.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
Below in conjunction with the accompanying drawings, by the description of the embodiment, being described further to invention content.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of vehicular liquefaction day hot gas gasification installation provided by the invention.
The vehicular liquefaction day hot gas gasification installation includes liquid gas storage tank 5, heat-accumulator tank 1, the first heat exchanger tube 10 and the second heat exchanger tube 12；
The heat-accumulator tank 1 is set to 5 bottom of the liquid gas storage tank, and it is filled with phase-changing energy storage materials.First heat exchanger tube
10 and second heat exchanger tube 12 run through the heat-accumulator tank 1, be distributed with phase around first heat exchanger tube, 10 and second heat exchanger tube 12
Change energy-storage material.First heat exchanger tube 10 is provided with the first import 3 and first outlet 9, first import 3 and carrier platoon
Tracheae is connected, and first outlet 9 is placed in outside heat-accumulator tank and vacantly, the tail gas of carrier platoon tracheae discharge enters from the first import 3
First heat exchanger tube 10 simultaneously carries out heat exchange with the phase-changing energy storage material being centered around around the first heat exchanger tube 10, and the tail gas after heat release is logical
Cross the discharge of first outlet 9.Second heat exchanger tube 12 is provided with the second import 2 and second outlet 8；Second import 2 and liquid
LPG cylinder 5 is connected, and the second outlet 8 is connected with the escape pipe of liquid gas storage tank 5, the liquefied natural gas in liquid gas storage tank 5
Enter the second heat exchanger tube 12 by the second import 2, and heat is carried out with the phase-changing energy storage material being centered around around 10 pipe of the second heat exchange
It exchanges, the liquefied natural gas of endothermic gasification is flowed into the escape pipe of liquid gas storage tank 5 by second outlet 8.The present embodiment is by phase-change accumulation energy
Material carries out the intermediate medium of heat exchange as vehicle exhaust and liquefied natural gas, and vehicle exhaust is recycled by phase-changing energy storage material
Heat, and using the heat of recycling as the heat source of liquefied natural gas gasifying, the recycling of energy is realized, to save
The energy needed for liquefied natural gas gasifying.
The heat-accumulator tank 1 can be the cylindrical structure made of carbon steel material, and it is internally provided with accommodation space,
Phase-changing energy storage material is filled in the accommodation space.The outer surface of the heat-accumulator tank 1 is provided with thermal insulation layer, and the thermal insulation layer covers
The heat-accumulator tank 1 is covered, to prevent the heat inside heat-accumulator tank 1 from being leaked into outside heat-accumulator tank 1 by heat transfer, so as to avoid storage
Hot tank 1 stores the forfeiture of heat, improves the utilization rate of heat.In practical applications, the thickness of the thermal insulation layer can basis
Environment used in the natural gas gasifying device is different and different, it is preferred that the thickness of the thermal insulation layer is more than or equal to 5cm.
In the variant embodiment of the present embodiment, the heat-accumulator tank 1 can also use other shapes, as ellipsoidal shape,
Rectangular shape etc..Certainly, the heat-accumulator tank 1 can also use other materials with hardness, e.g., stainless steel etc..
As shown in Figure 1, first heat exchanger tube, 10 and second heat exchanger tube 12 runs through the heat-accumulator tank 1 and is partially disposed in institute
It states in accommodation space.First heat exchanger tube, 10 and second heat exchanger tube, 12 setting side by side up and down, and first heat exchanger tube 10
And second have gap between heat exchanger tube 12, phase-changing energy storage material is distributed in the gap so that first heat exchanger tube 10
It is distributed with phase-changing energy storage material with the surrounding of the second heat exchanger tube 12, increases the first heat exchanger tube 10 and the second heat exchanger tube 12 difference
With the contact area of phase-changing energy storage material, and then the efficiency of heat exchange is improved.In the present embodiment, second heat exchanger tube 12
It is mutually parallel with the first heat exchanger tube 10, and the second heat exchanger tube 12 is located at first heat exchanger tube, 10 top, avoids first and changes
The intersection of heat pipe 10 and the second heat exchanger tube 12, simplifies the structure of liquefied natural gas gasifying device.In practical applications, described
One heat exchanger tube 10 and 12 both ends of the second heat exchanger tube can be provided with bobbin carriage, first heat exchanger tube, 10 and second heat exchanger tube 12
Import and export is connected with bobbin carriage respectively, by the bobbin carriage to flowing into the gas in the first heat exchanger tube 10 and the second heat exchanger tube 12
Play the role of buffering, the pressure of the first heat exchanger tube and the gas of the second heat exchanger tube inflow is avoided to become excessive, and applies first to change
The service life of heat pipe and the second heat exchanger tube.
In the present embodiment, the structure of first heat exchanger tube, 10 and second heat exchanger tube 12 is with material all same.Described
One heat exchanger tube 10 uses aluminum alloy materials, and its outer surface is provided with erosion resistant coating, and the erosion resistant coating can be by changing first
The outer tube wall of heat pipe 10 carries out anti-corrosion treatment and is formed, and prevents the corrosion of the first heat exchanger tube of phase-changing energy storage material pair 10, from
And extend the service life of first heat exchanger tube 10.In the variant embodiment of the present embodiment, first heat exchanger tube 10
It can also be made of materials such as stainless steels.
Further, first heat exchanger tube 10 uses tubular structure, outer surface to be provided with several first fins, and described the
One fin is extended along the extending direction of the first heat exchanger tube 10, and so that the cross section of first heat exchanger tube 10 is quincunx
Shape improves the efficiency that heat is transmitted to expand the heat exchange area of first heat exchanger tube 10.In the variant embodiment of the present embodiment
In, first heat exchanger tube 10 can also be in coiled, and the outer surface of first heat exchanger tube 10 can be smooth surface
Deng.In addition, the inner surface of first heat exchanger tube can be shiny surface, or fin face.
Solenoid valve is provided on second heat exchanger tube 12, the solenoid valve is for controlling the second heat exchanger tube and liquid gas storage tank
Connection or disconnection, to control flow into the second heat exchanger tube 12 liquefied natural gas flow and flow velocity.The solenoid valve is
Direct-acting electromagnetic valve.Certainly, in the variant embodiment of the present embodiment, the solenoid valve may be step direct-acting type electromagnetic valve
Or guide electromagnetic valve.
The phase transition temperature is the temperature when state of matter of the phase-changing energy storage material changes, and is decided by automobile
Temperature when tail gas derived from exhaust pipe is by the first heat exchanger tube 10, in the present embodiment, the phase transition temperature are preferably 48-64
℃.Correspondingly, the phase-changing energy storage material is preferably the substance of sodium acetate class.In this implementation variant embodiment, the phase transformation
Energy storage material can also be sodium sulphate substance, calcium chloride substance and phosphoric acid salt substance and paraffin etc..
Further, the vehicular liquefaction day hot gas gasification installation further includes vehicle-mounted immersion LNG vaporization device 6, the vehicle
It carries immersion LNG vaporization device to be built in the liquid gas storage tank 5, and 7 phase of escape pipe of its gas outlet and liquid gas storage tank 5
Connection so that the natural gas that the natural gas that the vehicle-mounted immersion LNG vaporization device is formed is formed with the second heat exchanger tube 12 is by going out
Tracheae 7 converges and supplies user.The vehicle-mounted immersion liquified natural gas vaporizer 6 is placed in 1 top of heat-accumulator tank, intake channel
It is connected to liquid gas storage tank 5, exit passageway is connected to escape pipe 7, and one is both provided on the intake channel and the exit passageway
Solenoid valve is opened described two when needing the natural gas of the vehicle-mounted immersion liquefied natural gas gasifying device provisioning gasification
Solenoid valve, liquefied natural gas enter the vehicle-mounted immersion LNG vaporization device 6 by intake channel, after completing to gasify, by exporting
Channel flows into escape pipe 7 to export.
In one embodiment of the invention, the vehicular liquefaction day hot gas gasification installation structure and above-described embodiment phase
Together, distinctive points are that second heat exchange tube structure is different.As shown in Figures 2 and 3, second heat exchanger tube 12 includes heat exchange
Channel 17, intake channel 18 and exit passageway 19.Wherein, the intake channel 18 is connected with the second import 2, passes through
Two imports 2 are connected with liquid gas storage tank 5, the input channel as liquefied natural gas.The exit passageway 19 and 8 phase of second outlet
Even, it is indirectly connected by second outlet 8 and the escape pipe 7 of liquid gas storage tank 5, the output channel as liquefied natural gas.In this way when
After the low-temperature liquefaction natural gas of liquid gas storage tank 5 flows into the second heat exchanger tube 12 by intake channel 18, pass through second heat exchanger tube 12
Heat exchange is carried out with the phase-changing energy storage material of surrounding, for the phase-changing energy storage material when reaching phase transition temperature, state of matter is from the
Two-state is changed into first state, while discharging big energy and by liquefied natural gas gasifying, realizing the heat of high-temperature tail gas
Recycling, to which the energy be greatly saved.
Further, the heat exchanger channels 17 are to roll the tubular structure formed by the tablet with microchannel structure.It is described
Tubular structure is rolled along the axis of intake channel 18, i.e., the axis of tubular structure is in identical with the axis of the intake channel 18
The axis of position, the two overlaps.The heat exchanger channels 17 that such tubular structure is formed so that the radial direction of second heat exchanger tube 12
Channel is disk-shaped structure, when liquefied natural gas flows through second heat exchanger tube 12 and is stored up with the phase transformation around the first heat exchanger tube 10
When heat exchange occurs for energy material, there is temperature gradient in the LNG temperature per adjacent turn, when reaching outmost turns, temperature
And the difference of environment temperature is then well below the difference of inlet tube liquefied natural gas and environment temperature, so that outside the second heat exchanger tube 12
Surface is not easy frosting, avoids and asking for additional heat is lost since uneven heating caused by 12 frosting of the second heat exchanger tube is uniform
Topic, to substantially increase the heat transfer efficiency of heat exchanger tube.
Further, the intake channel 18 be set to the tablet front closest to the lower right corner microchannel, and with it is micro-
Channel is connected to；The exit passageway 19 is set to the tablet back side closest to the microchannel in the upper left corner, and connects with microchannel
Logical, i.e., the position of intake channel 18 and exit passageway 19 is the opposite side in the tablet, and line between the two is exactly institute
State the diagonal line of tablet.The intake channel 18 and exit passageway 19 are all made of metal material and are made.In the deformation of the present embodiment
Intake channel 18 and exit passageway 19 are stated in embodiment to use stainless steel or aluminum alloy materials to be made.
Further, if the outer surface of the heat exchanger channels 17 is provided with along intake channel 18 to the direction of exit passageway 19
Dry second fin 20, second fin 20 is vertical with the outer surface of the heat exchanger channels 17, and the spacing between fin 20
It is equal.In the variant embodiment of the present embodiment, second fin 20 and the outer surface of the heat exchanger channels 17 also may be used
To form any other angle of non-90 degree.
Further, the tablet is formed by metal material by mechanical presses, and can be provided with a hollow cavity, passes through institute
Hollow cavity is stated to roll and form heat exchanger channels.In practical applications, multiple microchannels and described can be set in the tablet
Multiple microchannels interconnect, and the microchannel cross-section shape is round and a diameter of 0.2-2.0mm.
The present invention also provides a kind of storage exothermic processes of vehicular liquefaction day hot gas gasification installation, are applied to above-mentioned vehicle-mounted
Formula liquefaction day hot gas gasification installation, the method includes：When transport vehicle starts, the high-temperature tail gas that transport car engine generates passes through
First import 3 enters the first heat exchanger tube 10, when the tail gas flows through first heat exchanger tube 10, the tail gas and First Heat Exchanger
Phase-changing energy storage material around 10 carries out heat transfer, and when phase-changing energy storage material reaches phase transition temperature, state of matter is from the first shape
State becomes the second state, and at the same time phase-changing energy storage material absorbs amount of heat to store.In addition, when needing to pass through liquid gas storage tank
When liquefied natural gas is discharged in 5 escape pipe 7, vehicle-mounted immersion LNG vaporization device 6 starts, and opens the electricity on the second heat exchanger tube 12
Magnet valve, liquefied natural gas flows into the second heat exchanger tube 12 by the import of the second heat exchanger tube 12 in liquid gas storage tank 5, and with the second heat exchange
Phase-changing energy storage material around pipe 12 carries out heat conduction heat exchange, is gasified with absorbing the heat of phase-changing energy storage material, after gasification
Natural gas is mixed by the outlet of the second heat exchanger tube 12 with the gasification natural gas for carrying immersion LNG vaporization device 6, and enters liquefied gas
The escape pipe 7 of tank 5, to be exported to user by escape pipe 7.
The day hot gas gasification installation for example, certain vehicular liquefies, specified amount of vaporization 4000NM3/ hour, storage heater phase-change accumulation energy
The phase transition temperature of material is 48 DEG C, quantity of heat storage 144MJ.After transport vehicle engine start, phase-changing energy storage material is by engines tail
Gas waste heat stores.When needing to supply to user, the low-temperature liquefaction gas utilization phase-changing energy storage material in liquid gas storage tank
The heat of storage gasifies, and the deficiency of amount of vaporization, can obtain more during supplement vehicle liquefied natural gas gasification installation initialization
400NM3Natural gas reduces the consumption of liquefied natural gas, cost-effective.
The present invention also provides a kind of natural gas transportation transport vehicles, which is characterized in that it includes any vehicle as above
Load formula liquefaction day hot gas gasification installation.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
- The day hot gas gasification installation 1. a kind of vehicular liquefies comprising：Liquid gas storage tank for being loaded on transport vehicle；Its feature It is, the liquid gas storage tank bottom is provided with heat-accumulator tank, is filled with phase-changing energy storage material in the heat-accumulator tank, and set inside it It is equipped with the first heat exchanger tube and the second heat exchanger tube；The inlet and outlet of first heat exchanger tube and second heat exchanger tube stretches out institute Heat-accumulator tank is stated, the import of first heat exchanger tube is connected with carrier platoon tracheae, and outlet is hanging, with for the phase-change accumulation energy Material provides heat；The import of second heat exchanger tube is connected with liquid gas storage tank, exports the escape pipe phase with liquid gas storage tank Connection provides heat with the liquefied natural gas for the second heat exchanger tube of inflow.
- 2. vehicular liquefaction day hot gas gasification installation according to claim 1, which is characterized in that first heat exchanger tube and institute The setting side by side up and down of the second heat exchanger tube is stated, and is provided with gap between the two.
- 3. vehicular liquefaction day hot gas gasification installation according to claim 1, which is characterized in that set on second heat exchanger tube It is equipped with solenoid valve, passes through the flow of liquefied natural gas in the second heat exchanger tube described in the solenoid valve control.
- 4. vehicular liquefaction day hot gas gasification installation according to claim 1, which is characterized in that first heat exchanger tube and institute The second heat exchange tube structure is stated, is in both tubular type or coiled, and its inner and/or outer surface is provided with several fins.
- 5. vehicular liquefaction day hot gas gasification installation according to claim 1, which is characterized in that the outer surface of the heat-accumulator tank It is provided with a thermal insulation layer, the thickness of the thermal insulation layer is more than 5cm.
- 6. vehicular liquefaction day hot gas gasification installation according to claim 1, which is characterized in that setting in the liquid gas storage tank There are vehicle-mounted immersion LNG vaporization device, the outlet of the gas outlet and the liquid gas storage tank of the vehicle-mounted immersion LNG vaporization device Pipe is connected.
- 7. vehicular liquefaction day hot gas gasification installation according to claim 1, which is characterized in that the phase-changing energy storage material Phase transition temperature is 48-64 DEG C.
- 8. a kind of storage exothermic processes of vehicular liquefied natural gas gasifying device are applied to as described in claim any one of 1-7 Vehicular liquefy day hot gas gasification installation, which is characterized in that the method includes：After transport vehicle startup, transport vehicle starts The tail gas that machine generates enters the first heat exchanger tube by the import of the first heat exchanger tube, is changed by first after flowing through first heat exchanger tube The outlet of heat pipe is discharged；When the tail gas flows through first heat exchanger tube, the phase transformation around the tail gas and First Heat Exchanger Energy storage material carries out heat conduction heat exchange, to provide heat source for phase-changing energy storage material.
- 9. the storage exothermic processes of vehicular liquefied natural gas gasifying device according to claim 8, which is characterized in that it is also wrapped It includes：When needing the escape pipe by liquid gas storage tank that natural gas is discharged, vehicle-mounted immersion LNG vaporization device starts, and opens second Solenoid valve on heat exchanger tube, liquefied natural gas flows into the second heat exchanger tube by the import of the second heat exchanger tube in liquid gas storage tank, and with Phase-changing energy storage material around second heat exchanger tube carries out heat conduction heat exchange, is gasified with absorbing the heat of phase-changing energy storage material, gas Natural gas after change is mixed by the outlet of the second heat exchanger tube with the gasification natural gas for carrying immersion LNG vaporization device, and enters liquid The escape pipe of LPG cylinder.
- 10. a kind of transport vehicle, which is characterized in that it includes the vehicular liquefaction day hot gas gas as described in claim 1-7 is any Makeup is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064366.3A CN108556726A (en) | 2018-01-23 | 2018-01-23 | A kind of vehicular liquefaction day hot gas gasification installation stores exothermic processes and transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064366.3A CN108556726A (en) | 2018-01-23 | 2018-01-23 | A kind of vehicular liquefaction day hot gas gasification installation stores exothermic processes and transport vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN108556726A true CN108556726A (en) | 2018-09-21 |
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| CN201810064366.3A Pending CN108556726A (en) | 2018-01-23 | 2018-01-23 | A kind of vehicular liquefaction day hot gas gasification installation stores exothermic processes and transport vehicle |
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| CN101825075A (en) * | 2010-03-22 | 2010-09-08 | 西安交通大学 | Thermoelectric generation-based liquefied natural gas automobile cold energy recovery system |
| KR20110120667A (en) * | 2010-04-29 | 2011-11-04 | 주식회사 에너리드 | Apparatus and method for combustion electricity generation using boil-off gas |
| CN203148299U (en) * | 2013-03-04 | 2013-08-21 | 付涛 | High-efficiency cooler |
| CN204729190U (en) * | 2015-07-08 | 2015-10-28 | 潍柴西港新能源动力有限公司 | LNG motor vaporizer and LNG motor |
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