CN103498738B - Vehicle liquefied natural gas vaporizer - Google Patents
Vehicle liquefied natural gas vaporizer Download PDFInfo
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- CN103498738B CN103498738B CN201310505847.0A CN201310505847A CN103498738B CN 103498738 B CN103498738 B CN 103498738B CN 201310505847 A CN201310505847 A CN 201310505847A CN 103498738 B CN103498738 B CN 103498738B
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- right baffle
- vaporization
- liquid
- welded
- delivery outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a vehicle liquefied natural gas vaporizer. The vehicle liquefied natural gas vaporizer is mainly characterized in that the vehicle liquefied natural gas vaporizer comprises a cylindrical shell body (1), a left baffle (2), a supercharging pipe (3), an electric heating pipe (4), a used liquid vaporization pipe (5), a gas exhausting plug (6), an inner support (7), a right baffle (8), a water bath outlet (9), a vaporization supercharging outlet (10), a used liquid vaporization outlet (11), a liquid discharging plug (12), a water bath inlet (13), a fastening connecting plug (14), a used liquid vaporization inlet (15), a sealing washer (16) and a vaporization supercharging inlet (17), the cylindrical shell body (1), the left baffle (2) and the right baffle (8) are welded into a sealed whole, an electric heating mode and a water bath heating mode are adopted, rapid supercharging and vaporization are conducted on gas in a vehicle gas supplying system through the supercharging pipe (3) and the used liquid vaporization pipe (5), and the functions that an engine is normally started and constant stability of the pressure of the gas is guaranteed under the condition of a low-temperature environment are achieved. The vehicle liquefied natural gas vaporizer has the advantages of being simple in structure, reasonable in design, safe and reliable in use, low in cost and the like.
Description
Technical field
The present invention relates to a kind of Vehicular liquefied natural gas vaporizer, belong to LNG Liquefied natural gas applied technical field, it is specially adapted to Liquefied Natural Gas fuel automobile and vaporizes at low ambient temperatures LNG Liquefied natural gas, starts motor car engine fast.
Background technique
At present, natural gas automobile fuel gas mainly contains compressed natural gas (CNG) and LNG Liquefied natural gas (LNG) two kinds.Because the LNG Liquefied natural gas of same volume is three times of compressed natural gas reserves, thus LNG Liquefied natural gas has a filling weight greatly as vehicle fuel, the advantage that continual mileage is long, is especially applicable to the medium-heavy automobile that replacing fuel oil uses.Due to the pressure of LNG storage lower (generally lower than O.5MPa), can not provide continous-stable pressure required by ato unit (generally higher than O.8MPa) for automobile fuel gas air supply system, this just must carry out boosting process to LNG Liquefied natural gas.In background technique, automobile liquefied natural gas supplying system domestic at present mainly contains three kinds of modes, and one uses cryopump to carry out Liquid transfer, and advantage is that air feed is reliable and stable, and shortcoming is that cryopump cost is high; Another kind is directly filled into the pressure more than O.8MPa for automobile in car bottle by overall pressure regulation in gas station, and its advantage is that automobile air supply system does not need special increasing apparatus, and shortcoming is gas station station internal pressure-regulating length consuming time, and energy consumption is large; Another adopts the heat vaporized LNG Liquefied natural gas of cooling water of motor self, but it is not when motor starts at low ambient conditions, and cooling water initial temperature is low can not vaporize and supercharging to LNG Liquefied natural gas immediately.In order to overcome above deficiency, Vehicular liquefied natural gas vaporizer is studied.
Summary of the invention
Technical problem to be solved by this invention to provide a kind of Vehicular liquefied natural gas vaporizer, it adopts electric heating and heating water bath mode, by pressure inlet, generating tube, Quick-pressurizing and vaporization are carried out to the combustion gas in automobile air supply system, realize normal ato unit under low temperature environment temperature conditions and ensure the continual and steady of gaseous-pressure in air supply system.
The present invention solves the technological scheme that its technical problem adopts: it comprise circular cylindrical shell, right baffle-plate, pressure inlet, electric heating tube, with liquid generating tube, venting plug, inner support, right baffle plate, water-bath delivery outlet, the supercharging delivery outlet of vaporizing, delivery outlet of vaporizing with liquid, bleed plug, water-bath inlet opening, fastening connection-peg, to vaporize with liquid inlet opening, seal washer, vaporization supercharging inlet opening
Circular cylindrical shell, right baffle-plate, right baffle plate seal overall by welding formation one,
The central upper portion position of circular cylindrical shell has been welded a screw thread exhaust port, loads sealing gasket final vacuum plug and is loaded in screw thread exhaust port,
The bottom centre position of circular cylindrical shell has been welded a screw thread outage, and after loading sealing gasket, bleed plug is loaded in screw thread outage,
Be welded in the left side perforate of right baffle-plate with liquid vaporization inlet opening, water-bath inlet opening, vaporization supercharging inlet opening are welded in the upper and lower part perforate of right baffle-plate respectively,
Vaporization supercharging delivery outlet is welded in the right side perforate of right baffle plate, water-bath delivery outlet, is welded in the upper and lower part perforate of right baffle plate respectively with liquid vaporization delivery outlet,
Be spiral tube structure with liquid generating tube, be loaded on the inside of circular cylindrical shell, to vaporize inlet opening with liquid on right baffle-plate is welded to connect with the left end of liquid generating tube, to vaporize delivery outlet with liquid on right baffle plate is welded to connect with the right-hand member of liquid generating tube, liquefied natural gas bottle and motor is connected with liquid vaporization delivery outlet respectively by pipeline with liquid vaporization inlet opening
Pressure inlet is reverse acting spiral tubular construction, pressure inlet is set in the outside of circular cylindrical shell inside liquid generating tube, the left end of pressure inlet is welded to connect the vaporization supercharging inlet opening on right baffle-plate, the right-hand member of pressure inlet is welded to connect the vaporization supercharging delivery outlet on right baffle plate, vaporization supercharging inlet opening is connected with liquefied natural gas bottle respectively by pipeline with vaporization supercharging delivery outlet, form vaporization boost-up circuit
Water-bath inlet opening, water-bath delivery outlet are connected with automobile engine cooling liquid respectively by exterior line, and form heating water bath loop, the inside of vaporizer is full of engine coolant,
Seal washer is loaded in the perforate of right baffle-plate central position,
Inner support is welded in the medial center of right baffle plate,
Electric heating tube is loaded on the body centre of circular cylindrical shell, and the left end that fastening connection-peg is housed closely cooperates and is threaded onto in seal washer, and the right-hand member of electric heating tube is set in the head cavity of inner support.
The beneficial effect that the present invention is compared with the existing technology produced:
1, owing to adopting electric heating and heating water bath mode, by pressure inlet, generating tube, Quick-pressurizing and vaporization are carried out to combustion gas, instead of traditional special low temperature pump, do not need in advance LNG Liquefied natural gas gas to be carried out overall pressure regulation simultaneously yet, LNG Liquefied natural gas is directly annotated in vehicle gas cylinder immediately for engine start, the pressure that the pressure of gas cylinder gas-phase space is not less than system and needs can be ensured, realize normal ato unit under low temperature environment temperature conditions and ensure the continual and steady of gaseous-pressure in air supply system.
2, it has the features such as structure is simple, reasonable in design, safe and reliable, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Vehicular liquefied natural gas vaporizer of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, most preferred embodiment of the present invention is further described.
A kind of Vehicular liquefied natural gas vaporizer, it comprise circular cylindrical shell 1, right baffle-plate 2, pressure inlet 3, electric heating tube 4, with liquid generating tube 5, venting plug 6, inner support 7, right baffle plate 8, water-bath delivery outlet 9, vaporization supercharging delivery outlet 10, with liquid vaporization delivery outlet 11, bleed plug 12, water-bath inlet opening 13, fastening connection-peg 14, with liquid vaporization inlet opening 15, seal washer 16, vaporization supercharging inlet opening 17.
Referring to Fig. 1, Fig. 2, Fig. 3.
Circular cylindrical shell 1, right baffle-plate 2, right baffle plate 8 are overall by the sealing of welding formation one.
The central upper portion position of circular cylindrical shell 1 has been welded a screw thread exhaust port, loads sealing gasket final vacuum plug 6 and is loaded in screw thread exhaust port.
The bottom centre position of circular cylindrical shell 1 has been welded a screw thread outage, and after loading sealing gasket, bleed plug 12 is loaded in screw thread outage.
Be welded in the left side perforate of right baffle-plate 2 with liquid vaporization inlet opening 15, water-bath inlet opening 13, vaporization supercharging inlet opening 17 are welded respectively in the upper and lower part perforate of right baffle-plate 2.
Vaporization supercharging delivery outlet 10 is welded in the right side perforate of right baffle plate 8, water-bath delivery outlet 9, is welded respectively in the upper and lower part perforate of right baffle plate 8 with liquid vaporization delivery outlet 11.
Be spiral tube structure with liquid generating tube 5, be loaded on the inside of circular cylindrical shell 1.
With the left end of liquid generating tube 5 be welded to connect on right baffle-plate 2 with liquid vaporization inlet opening 15, with the right-hand member of liquid generating tube 5 be welded to connect on right baffle plate 8 with liquid vaporization delivery outlet 11, with liquid vaporization inlet opening 15 with liquid vaporization delivery outlet 11 be connected liquefied natural gas bottle and motor respectively by pipeline.
Pressure inlet 3 is reverse acting spiral tubular construction, and pressure inlet 3 is set in the outside of circular cylindrical shell 1 inside liquid generating tube 5.
The left end of pressure inlet 3 is welded to connect the vaporization supercharging inlet opening 17 on right baffle-plate 2, the right-hand member of pressure inlet 3 is welded to connect the vaporization supercharging delivery outlet 10 on right baffle plate 8, vaporization supercharging inlet opening 17 is connected with liquefied natural gas bottle respectively by pipeline with vaporization supercharging delivery outlet 10, forms vaporization boost-up circuit.
Water-bath inlet opening 13, water-bath delivery outlet 9 are connected with automobile engine cooling liquid respectively by pipeline, and form heating water bath loop, the inside of vaporizer is full of engine coolant.
Seal washer 16 is loaded in the perforate of right baffle-plate 2 central position.
Inner support 7 is welded in the medial center of right baffle plate 8.
Electric heating tube 4 is loaded on the body centre of circular cylindrical shell 1, and the left end that fastening connection-peg 14 is housed closely cooperates and is threaded onto in seal washer 16, and the right-hand member of electric heating tube 4 is set in the head cavity of inner support 7.
When motor does not start, the cooling liquid in vaporizer is in low-temperature condition, and now the cooling liquid started in electric heating tube 4 pairs of vaporizers heats.After the cooling liquid in vaporizer completes heating, heating power supply disconnects automatically, and the electric heating tube 4 in vaporizer stops heating.
The vaporization supercharging inlet opening 17 of pressure inlet 3 left end is connected to the liquid Space bottom LNG Liquefied natural gas combustion gas gas cylinder by pipeline, vaporization supercharging delivery outlet 10 is connected to the gas-phase space on LNG Liquefied natural gas combustion gas gas cylinder top by pipeline, liquified natural gas flows into pressure inlet 3 by supercharging inlet opening 17 of vaporizing, the gaseous natural gas that mineralization pressure increases after heating, gaseous natural gas is back to the gas-phase space on liquefied natural gas bottle top by pipeline via vaporization supercharging delivery outlet 10, realize carrying out lasting supercharging to gas cylinder.
Start motor car engine, the gaseous natural gas in liquefied natural gas bottle upper gaseous phase space by pipeline by inlet opening 15 inflow liquid generating tube 5 of vaporizing with liquid, through entering motor, for motor provides combustion gas by delivery outlet 11 of vaporizing with liquid after heating secondary vaporizing.
When motor does not start, heated by the cooling liquid in electric heating tube 4 pairs of vaporizers.After engine start, electric heating tube 4 stops heating automatically, and the heat distributed by motor self carries out circulating-heating to the cooling liquid in vaporizer.The air pressure forming liquefied natural gas bottle inside in motor gas process is declined and is consistent by the air pressure increase that pressure inlet 3 realizes, and in guarantee automobile air supply system, gaseous-pressure is continual and steady.
When being formed with too much gaseous state cooling liquid in vaporizer, venting plug 6 can being extracted and be exhausted.
When needs increase and decrease or when changing cooling liquid in vaporizer, realize by extracting bleed plug 12.
Claims (2)
1. a Vehicular liquefied natural gas vaporizer, it is characterized in that it comprise circular cylindrical shell (1), right baffle-plate (2), pressure inlet (3), electric heating tube (4), with liquid generating tube (5), venting plug (6), inner support (7), right baffle plate (8), water-bath delivery outlet (9), vaporization supercharging delivery outlet (10), delivery outlet (11) of vaporizing with liquid, bleed plug (12), water-bath inlet opening (13), fastening connection-peg (14), to vaporize with liquid inlet opening (15), seal washer (16), vaporization supercharging inlet opening (17);
Circular cylindrical shell (1), right baffle-plate (2), right baffle plate (8) are overall by the sealing of welding formation one;
The central upper portion position of circular cylindrical shell (1) has been welded a screw thread exhaust port, loads sealing gasket final vacuum plug (6) and is loaded in screw thread exhaust port;
The bottom centre position of circular cylindrical shell (1) has been welded a screw thread outage, and after loading sealing gasket, bleed plug (12) is loaded in screw thread outage;
Be welded in the left side perforate of right baffle-plate (2) with liquid inlet opening (15) of vaporizing, water-bath inlet opening (13), vaporization supercharging inlet opening (17) are welded in the upper and lower part perforate of right baffle-plate (2) respectively;
Vaporization supercharging delivery outlet (10) is welded in the right side perforate of right baffle plate (8), and water-bath delivery outlet (9), delivery outlet (11) of vaporizing with liquid are welded in the upper and lower part perforate of right baffle plate (8) respectively;
Be spiral tube structure with liquid generating tube (5), be loaded on the inside of circular cylindrical shell (1), to vaporize inlet opening (15) with liquid on right baffle-plate (2) is welded to connect with the left end of liquid generating tube (5), be welded to connect to vaporize delivery outlet (11) with liquid on right baffle plate (8) with the right-hand member of liquid generating tube (5), be respectively connected liquefied natural gas bottle and motor with delivery outlet (11) of vaporizing with liquid by pipeline with liquid inlet opening (15) of vaporizing;
The left end of pressure inlet (3) is welded to connect the vaporization supercharging inlet opening (17) on right baffle-plate (2), the right-hand member of pressure inlet (3) is welded to connect the vaporization supercharging delivery outlet (10) on right baffle plate (8), vaporization supercharging inlet opening (17) is connected with liquefied natural gas bottle respectively by pipeline with vaporization supercharging delivery outlet (10), forms vaporization boost-up circuit;
Water-bath inlet opening (13), water-bath delivery outlet (9) are connected with automobile engine cooling liquid respectively by exterior line, and form heating water bath loop, the inside of vaporizer is full of engine coolant;
Seal washer (16) is loaded in the perforate of right baffle-plate (2) central position;
Inner support (7) is welded in the medial center of right baffle plate (8);
Electric heating tube (4) is loaded on the body centre of circular cylindrical shell (1), and the left end that fastening connection-peg (14) is housed closely cooperates and is threaded onto in seal washer (16), and the right-hand member of electric heating tube (4) is set in the head cavity of inner support (7).
2. Vehicular liquefied natural gas vaporizer according to claim 1, is characterized in that: described pressure inlet (3) is reverse acting spiral tubular construction, and pressure inlet (3) is set in the outside of circular cylindrical shell (1) inside liquid generating tube (5).
Priority Applications (1)
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CN201310505847.0A CN103498738B (en) | 2013-10-24 | 2013-10-24 | Vehicle liquefied natural gas vaporizer |
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CN201310505847.0A CN103498738B (en) | 2013-10-24 | 2013-10-24 | Vehicle liquefied natural gas vaporizer |
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CN103498738A CN103498738A (en) | 2014-01-08 |
CN103498738B true CN103498738B (en) | 2015-07-08 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929814A (en) * | 2014-03-17 | 2015-09-23 | 张家港中集圣达因低温装备有限公司 | LNG vaporizing device and air feeder |
CN105298687A (en) * | 2014-07-25 | 2016-02-03 | 陕西汽车集团有限责任公司 | Water bath type vaporizer |
CN105626318B (en) * | 2016-03-21 | 2017-11-21 | 武汉工程大学 | A kind of automobile-used LNG vaporization device using phase change heat storage material |
CN106610028A (en) * | 2017-01-06 | 2017-05-03 | 张家港市华地机械装备有限公司 | Electric heating type CNG (compressed natural gas) heater |
CN110017222B (en) * | 2018-01-10 | 2024-02-09 | 东莞中集小飞鱼物流科技有限公司 | Vehicle and natural gas supply system thereof |
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US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
US5411005A (en) * | 1993-06-15 | 1995-05-02 | Bohl; Michael E. | Emissions and fuel control system and device |
KR20050109038A (en) * | 2004-05-12 | 2005-11-17 | 가부시키가이샤 닛키 | Regulator for lpg |
CN201209492Y (en) * | 2008-06-19 | 2009-03-18 | 东风汽车有限公司 | Vaporizer for liquefied natural gas vehicle |
CN101737203A (en) * | 2010-01-14 | 2010-06-16 | 张家港富瑞特种装备股份有限公司 | Self-supercharging device of car bottle |
CN102454508A (en) * | 2010-10-26 | 2012-05-16 | 博格华纳贝鲁系统有限公司 | Vaporizer for liquefied petroleum gas and vaporizer |
CN203114459U (en) * | 2013-04-02 | 2013-08-07 | 北京航空航天大学 | Mixed heating type liquefied natural gas vaporizer |
CN203756369U (en) * | 2013-10-24 | 2014-08-06 | 江南工业集团有限公司 | Liquefied natural gas vaporizer for vehicle |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US8408186B2 (en) * | 2009-05-18 | 2013-04-02 | Andrew L. Fertig | Fuel conservation device |
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2013
- 2013-10-24 CN CN201310505847.0A patent/CN103498738B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
US5411005A (en) * | 1993-06-15 | 1995-05-02 | Bohl; Michael E. | Emissions and fuel control system and device |
KR20050109038A (en) * | 2004-05-12 | 2005-11-17 | 가부시키가이샤 닛키 | Regulator for lpg |
CN201209492Y (en) * | 2008-06-19 | 2009-03-18 | 东风汽车有限公司 | Vaporizer for liquefied natural gas vehicle |
CN101737203A (en) * | 2010-01-14 | 2010-06-16 | 张家港富瑞特种装备股份有限公司 | Self-supercharging device of car bottle |
CN102454508A (en) * | 2010-10-26 | 2012-05-16 | 博格华纳贝鲁系统有限公司 | Vaporizer for liquefied petroleum gas and vaporizer |
CN203114459U (en) * | 2013-04-02 | 2013-08-07 | 北京航空航天大学 | Mixed heating type liquefied natural gas vaporizer |
CN203756369U (en) * | 2013-10-24 | 2014-08-06 | 江南工业集团有限公司 | Liquefied natural gas vaporizer for vehicle |
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Granted publication date: 20150708 Termination date: 20181024 |