CN108317389A - A kind of automobile-used LNG vaporization and comprehensive utilization system for heat energy - Google Patents
A kind of automobile-used LNG vaporization and comprehensive utilization system for heat energy Download PDFInfo
- Publication number
- CN108317389A CN108317389A CN201810097345.1A CN201810097345A CN108317389A CN 108317389 A CN108317389 A CN 108317389A CN 201810097345 A CN201810097345 A CN 201810097345A CN 108317389 A CN108317389 A CN 108317389A
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- China
- Prior art keywords
- heat exchanger
- lng
- automobile
- valve
- lng gas
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- 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.)
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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
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- 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
Abstract
The invention discloses a kind of automobile-used LNG vaporization and comprehensive utilization system for heat energies, including storage system, carburetion system, from pressure charging system, storage system includes LNG gas bombs G and its fills a mouthful A, it LNG gas bombs and fills filter B is set between mouthful A, LNG gas bombs are connected with heat exchanger Q, and check-valves I1, flow valve J1 are arranged between LNG gas bombs and heat exchanger Q;Carburetion system includes heat exchanger Q, wherein the hot fluid inlet of heat exchanger, outlet are both provided with gate valve, the cold fluid outlet of heat exchanger is connected by flow valve with from pressure charging system, and a hot outlets of heat exchanger are connected by gate valve and flow valve J3 with water air-conditioning system.The present invention solves the problems, such as that automobile is shorter using the storage of higher pressures safety problem and automobile endurance of CNG so that automobile can once add the increase of fuel mileage travelled number, and dynamical system is safer, more efficient.
Description
Technical field
The invention belongs to field of power equipment technology more particularly to a kind of automobile-used LNG vaporizations and comprehensive utilization system for heat energy.
Background technology
Energy and environmental problem is faced, an importance of Engine Industry development at present is exactly energy-saving and emission-reduction, is had
A variety of clean energy resourcies are used on automobile, wherein especially CNG (compressed natural gas) uses are most ripe extensive, are especially being hired out
Vehicle and bus use upper.
But the physicochemical characteristic of CNG determines it that there is inevitable defects for use on vehicle:First, natural gas
Due to being gaseous working medium, in order to ensure the cruising ability of automobile, it is necessary to be compressed to gaseous natural gas, and be high pressure
Compression.This allows for automobile and needs to take out larger space placing that volume is big and the relatively small CNG gas storage cylinders of reserves, and
Steel cylinder is high-tension apparatus, can there is certain danger.
Invention content
The technical problem to be solved by the invention is to provide a kind of automobile-used LNG vaporization and comprehensive utilization system for heat energies, solve
Automobile uses the shorter problem of the storage of higher pressures safety problem and automobile endurance of CNG so that automobile can once add combustion
Expect that mileage travelled number increases, dynamical system is safer, more efficient.
The technical solution adopted by the present invention to solve the technical problems is:A kind of automobile-used LNG vaporization and thermal energy synthesis are provided
Using system, including storage system, carburetion system, from pressure charging system, storage system is connected with carburetion system, is wrapped in storage system
It includes LNG gas bombs G and its fills a mouthful A, LNG gas bombs and fill filter B is set between mouthful A, LNG gas bombs and heat exchanger Q
It is connected, check-valves I1, flow valve J1 is set between LNG gas bombs and heat exchanger Q;Carburetion system includes heat exchanger Q, wherein exchanging heat
The hot fluid inlet of device, outlet are both provided with gate valve, and the cold fluid outlet of heat exchanger is connected by flow valve with from pressure charging system,
One hot outlets of heat exchanger are connected by gate valve and flow valve J3 with water air-conditioning system, another hot outlets passes through pipeline
It is connected with the cooling water tank of engine N2 in engine cool water system;Include flow valve J2 and check-valves I3 from pressure charging system,
It is connected with the LNG gas bombs in storage system by check-valves I2.
According to the above technical scheme, further include water air-conditioning system, water air-conditioning system includes water air-conditioning L, switching valve M, swelling water
Case N1, air conditioning pump, they are sequentially connected by pipeline, the engine that wherein switching valve passes through pipeline and engine cool water system
Cooling water tank is connected, and water air-conditioning system is connected by gate valve with the heat exchanger of carburetion system.
According to the above technical scheme, it is arranged between LNG gas bombs G and filter B on main safety valve C1, LNG gas bomb G and is arranged
Liquid level gauge H.
According to the above technical scheme, heat exchanger is plate-fin heat exchanger.
The beneficial effect comprise that:It solves automobile to continue a journey using the storage of higher pressures safety problem and automobile of CNG
The shorter problem of power so that automobile can once add the increase of fuel mileage travelled number, and dynamical system is safer, and efficiency is more
It is high.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the automobile-used LNG vaporization of the embodiment of the present invention and comprehensive utilization system for heat energy overall schematic;
Fig. 2 is the operating diagram that the embodiment of the present invention does not use air-conditioning system;
Fig. 3 is the operating diagram that the embodiment of the present invention uses air conditioner refrigerating;
Fig. 4 is the operating diagram that the embodiment of the present invention uses air-conditioning heating;
Fig. 5 is devices illustrated detail list of the embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In the embodiment of the present invention, a kind of automobile-used LNG vaporization and comprehensive utilization system for heat energy, including storage system, vapour are provided
Change system, from pressure charging system, storage system is connected with carburetion system, and storage system includes LNG gas bombs G and its fills a mouthful A,
LNG gas bombs and fill filter B be set between mouthful A, LNG gas bombs are connected with heat exchanger Q, LNG gas bombs and heat exchanger Q it
Between setting check-valves I1, flow valve J1;Carburetion system includes heat exchanger Q, and the wherein hot fluid inlet of heat exchanger, outlet is respectively provided with
There are gate valve, the cold fluid outlet of heat exchanger to be connected with from pressure charging system by flow valve, a hot outlets of heat exchanger pass through
Gate valve and flow valve J3 are connected with water air-conditioning system, another hot outlets passes through the hair in pipeline and engine cool water system
Motivation cooling water tank N2 is connected;Include flow valve J2 and check-valves I3 from pressure charging system, by check-valves I2 and storage system
LNG gas bombs be connected.
Further, further include water air-conditioning system, water air-conditioning system includes water air-conditioning L, switching valve M, expansion tank N1, sky
Pump is adjusted, they are sequentially connected by pipeline, the engine cooling water that wherein switching valve passes through pipeline and engine cool water system
Case is connected, and water air-conditioning system is connected by gate valve with the heat exchanger of carburetion system.
Further, it is arranged between LNG gas bombs G and filter B on main safety valve C1, LNG gas bomb G and liquid level gauge is set
H。
Further, heat exchanger is plate-fin heat exchanger.Plate-fin heat exchanger, middle and upper part point is for LNG vaporization, liter
Temperature, lower part are used to provide the gas of enough pressure from pressure charging system for gas cylinder.It is carried out according to function inside plate-fin heat exchanger
Detailed division, effect are respectively:Vaporize LNG;LNG is heated to engine required temperature;Heat the gas from compression portion
Reach certain pressure.The gas after small portion's vaporization heating from pressure charging system is supplied, using heat exchanger lower part
Heating reaches certain pressure, is imported in LNG gas bombs along return line, ensures pressure stability in gas cylinder.
Using the negative feedback control technology of electromagnetic flow valve, LNG supplys in control system, from supercharging regurgitant volume, sky
Cold and heating capacity are modulated, to ensure that vehicle being capable of normal operation.Got up by piping connection between different system, pipeline and pipe
It uses and is threadedly coupled between road and pipeline and component.Wherein, each inlet and outlet of plate-fin heat exchanger use flanged joint knot
Structure is connected with corresponding pipeline.
In order to improve cruising ability and safety of the vehicle using natural gas, the technical solution of LNG is onboard directly used.
LNG has the features such as storage pressure is low, energy density is big, safe relative to CNG.Therefore not only may be used using LNG on vehicle
To reduce occupied space, safety is improved, and can ensure the cruising ability of vehicle, primary charging can ensure more same than using
Etc. quality CNG fuel have more 4 times of travel distance.The purpose of energy-saving and emission-reduction can be realized instead of CNG using LNG, while can
Ensure economy, safety, durability, extremely meets the requirement of present energy overall situation.
In presently preferred embodiments of the present invention, Fig. 1 is the overall schematic of the present invention, as shown in the figure:In the embodiment of the present invention,
The automobile-used LNG vaporization and comprehensive utilization system for heat energy of complete set are provided, includes mainly the supercharging certainly of LNG storage devices, gas supply
System, LNG vaporization device, water air-conditioning system composition.The effect of storage system is storage LNG, while having and filling, safety guarantor
The functions such as shield, liquid level and pressure measurement, discharge;It is to ensure supply gas pressure in LNG storage devices to supply the effect from pressure charging system
Stablize;The effect of carburetion system is vaporization LNG, while can provide cold energy for air-conditioning;The effect of water air-conditioning is to adjust interior temperature
Degree has the function of ventilation, heating, refrigeration, and air quantity, temperature are adjustable.The effect of valve control system is to utilize valve
Negative-feedback automatically adjust each piping flow, realize the system worked well under different operating modes.
According to current embodiment require that the effect reached, respectively under the corresponding air-conditioning system use state of Fig. 2, Fig. 3, Fig. 4,
The on off state of each valve is described into row-column list, and table is as follows:
Fig. 2 is system operating diagram when air-conditioning system does not work, and Working fluid flow process is:LNG is flowed out from G, warp
P is entered by J1 (control LNG supplys);And simultaneously by the cooling water of U heating via R, a part returns to N2 after entering S coolings,
A part enters P by the two entrances before and after K1, provides heat for LNG vaporization, and be allowed to warm to required temperature;Vapour
Natural gas after change is divided into two parts, and the overwhelming majority enters T by pipeline and provides fuel for U, it is remaining it is small it is a part of via
J2 (is controlled from pressurization gas amount), is back in G into after carrying out reheating in P, to ensure that supply gas pressure is stablized in tank, energy
It is enough to stablize gas supply;And the cooling water for passing through the heat of P is cooled down, and is returned in N2 and is continued cooling U.Fig. 5 illustrates for the embodiment of the present invention
Equipment nomenclature.
Fig. 3 is the system operating diagram under air-conditioning system cryogenic conditions, and Working fluid flow process is:LNG is flowed out from G,
Enter P via J1 (control LNG supplys);And simultaneously by the cooling water of U heating via R, a part returns to after entering S coolings
N2, a part enter P by the entrance before K1, provide heat for LNG vaporization, and be allowed to warm to required temperature;Simultaneously
Since air-conditioning refrigeration system works, the cooling working medium in N1 is pumped into P by O1, and hot working fluid ginseng is collectively acted as with engine cooling water
With LNG vaporization;Natural gas after vaporization is divided into two parts, and the overwhelming majority enters T by pipeline and provides fuel for U, remaining
A small part (is controlled from pressurization gas amount) via J2, is back in G into after carrying out reheating in P, to ensure to supply in tank
Atmospheric pressure is stablized, and gas supply can be stablized;And the cooling water for passing through the heat of P is cooled down, and is returned in N2 and is continued cooling U;And pass through P's
Air-conditioning cooling working medium is cooled down, and is entered L by K2 and J3 (adjusting air-conditioning cold air temperature), for interior transporting cold-air, is then passed through M
It returns to N1 and provides cooling working medium for cycle next time.
Fig. 4 is the system operating diagram under the conditions of air-conditioning system heating, and Working fluid flow process is:LNG is flowed out from G,
Enter P via J1 (control LNG supplys);And simultaneously by the cooling water of U heating via R, a part returns to after entering S coolings
N2, it is interior conveying hot gas that a part enters L by K4 and J3 (control air-conditioning hot air temperature), and a part is by two before and after K1
A entrance enters P, provides heat for LNG vaporization, and be allowed to warm to required temperature;Natural gas after vaporization is divided into two
Part, the overwhelming majority enter T by pipeline and provide fuel for U, and a remaining small part (is controlled from pressurization gas amount) via J2,
It is back in G into after carrying out reheating in P, to ensure that supply gas pressure is stablized in tank, can stablize gas supply;And pass through P's
The cooling water of heat is cooled down, and is returned in N2 and is continued cooling U;N2 is returned to by M by the cooling water of L simultaneously, continues as U coolings.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (4)
1. a kind of automobile-used LNG vaporization and comprehensive utilization system for heat energy, which is characterized in that including storage system, carburetion system, increase certainly
Pressure system, storage system are connected with carburetion system, and storage system includes LNG gas bombs G and its fills a mouthful A, LNG gas bombs with
It fills and filter B is set between mouthful A, LNG gas bombs are connected with heat exchanger Q, and non-return is arranged between LNG gas bombs and heat exchanger Q
Valve I1, flow valve J1;Carburetion system includes heat exchanger Q, and the wherein hot fluid inlet of heat exchanger, outlet is both provided with gate valve, changes
The cold fluid outlet of hot device is connected by flow valve with from pressure charging system, and a hot outlets of heat exchanger pass through gate valve and flow
Valve J3 is connected with water air-conditioning system, another hot outlets passes through the engine cooling water in pipeline and engine cool water system
Case N2 is connected;Include flow valve J2 and check-valves I3 from pressure charging system, passes through the LNG gas bombs in check-valves I2 and storage system
It is connected.
2. automobile-used LNG vaporization according to claim 1 and comprehensive utilization system for heat energy, which is characterized in that further include water sky
Adjusting system, water air-conditioning system include water air-conditioning L, switching valve M, expansion tank N1, air conditioning pump, they are sequentially connected by pipeline,
Wherein switching valve is connected by pipeline with the cooling water tank of engine of engine cool water system, water air-conditioning system by gate valve with
The heat exchanger of carburetion system is connected.
3. automobile-used LNG vaporization according to claim 1 or 2 and comprehensive utilization system for heat energy, which is characterized in that LNG gas storage
Setting liquid level gauge H on setting main safety valve C1, LNG gas bomb G between bottle G and filter B.
4. automobile-used LNG vaporization according to claim 1 or 2 and comprehensive utilization system for heat energy, which is characterized in that heat exchanger is
Plate-fin heat exchanger.
Priority Applications (1)
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CN201810097345.1A CN108317389A (en) | 2018-01-31 | 2018-01-31 | A kind of automobile-used LNG vaporization and comprehensive utilization system for heat energy |
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CN201810097345.1A CN108317389A (en) | 2018-01-31 | 2018-01-31 | A kind of automobile-used LNG vaporization and comprehensive utilization system for heat energy |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004301186A (en) * | 2003-03-28 | 2004-10-28 | Noritz Corp | Liquefied gas vaporization system |
CN201872573U (en) * | 2010-12-06 | 2011-06-22 | 湖北惠利百投资有限公司 | LNG (liquefied natural gas) automobile air-conditioning refrigeration system |
CN204877720U (en) * | 2015-09-06 | 2015-12-16 | 成都市天仁自动化科技有限公司 | Active on -vehicle natural gas gas supply system of self -balancing of non - |
CN106314083A (en) * | 2015-06-17 | 2017-01-11 | 浙江盾安人工环境股份有限公司 | LNG comprehensive utilization system and method |
-
2018
- 2018-01-31 CN CN201810097345.1A patent/CN108317389A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004301186A (en) * | 2003-03-28 | 2004-10-28 | Noritz Corp | Liquefied gas vaporization system |
CN201872573U (en) * | 2010-12-06 | 2011-06-22 | 湖北惠利百投资有限公司 | LNG (liquefied natural gas) automobile air-conditioning refrigeration system |
CN106314083A (en) * | 2015-06-17 | 2017-01-11 | 浙江盾安人工环境股份有限公司 | LNG comprehensive utilization system and method |
CN204877720U (en) * | 2015-09-06 | 2015-12-16 | 成都市天仁自动化科技有限公司 | Active on -vehicle natural gas gas supply system of self -balancing of non - |
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Application publication date: 20180724 |
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