CN103498738A - Vehicle liquefied natural gas vaporizer - Google Patents
Vehicle liquefied natural gas vaporizer Download PDFInfo
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- CN103498738A CN103498738A CN201310505847.0A CN201310505847A CN103498738A CN 103498738 A CN103498738 A CN 103498738A CN 201310505847 A CN201310505847 A CN 201310505847A CN 103498738 A CN103498738 A CN 103498738A
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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
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 the LNG Liquefied natural gas applied technical field, it is specially adapted to the Liquefied Natural Gas fuel automobile LNG Liquefied natural gas of vaporizing under low temperature environment, starts fast motor car engine.
Background technique
At present, natural gas automobile fuel gas mainly contains two kinds of compressed natural gas (CNG) and LNG Liquefied natural gas (LNG).Because with the LNG Liquefied natural gas of volume be three times of compressed natural gas reserves, thus LNG Liquefied natural gas to have a filling weight as vehicle fuel large, the advantage that continual mileage is long, especially be applicable to the medium-heavy automobile that replacing fuel oil is used.The pressure stored due to LNG Liquefied natural gas lower (generally lower than O.5MPa), can not provide the desired continous-stable pressure of ato unit (generally higher than O.8MPa) for the automobile fuel gas air supply system, and this just must be to the LNG Liquefied natural gas processing of being boosted.In background technique, domestic automobile mainly contains three kinds of modes by the liquefied natural gas supplying system at present, and a kind of is to use cryopump to carry out the liquid conveying, and advantage is that air feed is reliable and stable, and shortcoming is that the cryopump cost is high; Another kind be during the pressure more than gas station will be O.8MPa by whole pressure regulation directly is filled into car bottle for automobile, its advantage is that the automobile air supply system does not need special increasing apparatus, shortcoming is gas station station internal pressure-regulating length consuming time, energy consumption is large; Another is the cooling water heating vaporization LNG Liquefied natural gas that adopts motor self, but it is not when under cold environmental conditions, motor starts, and the cooling water initial temperature is low can not be vaporized 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 is that a kind of Vehicular liquefied natural gas vaporizer will be provided, it adopts electric heating and heating water bath mode, by pressure inlet, generating tube, the combustion gas in the automobile air supply system is carried out to Quick-pressurizing and vaporization, realize under the low temperature environment temperature conditions normal ato unit and guarantee 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, with liquid vaporize delivery outlet, bleed plug, water-bath inlet opening, fastening connection-peg, with liquid vaporize inlet opening, seal washer, vaporization supercharging inlet opening
Circular cylindrical shell, right baffle-plate, right baffle plate form a sealing integral body by welding,
The central upper portion position of the circular cylindrical shell screw thread exhaust port that has been welded, the sealing gasket final vacuum plug of packing into is loaded in the screw thread exhaust port,
The bottom centre position of the circular cylindrical shell screw thread outage that has been welded, after the sealing gasket of packing into, bleed plug is loaded in the screw thread outage,
With liquid vaporization inlet opening, be welded in the perforate of the left side of right baffle-plate, water-bath inlet opening, vaporization supercharging inlet opening are welded respectively in the perforate of the upper and lower part of right baffle-plate,
Vaporization supercharging delivery outlet is welded in the perforate of the right side of right baffle plate, the water-bath delivery outlet, with liquid vaporization delivery outlet, is welded respectively in the perforate of the upper and lower part of right baffle plate,
With the liquid generating tube, it is spiral tube structure, be loaded on the inside of circular cylindrical shell, with the left end of liquid generating tube be welded to connect on right baffle-plate with the liquid inlet opening of vaporizing, with the right-hand member of liquid generating tube be welded to connect on right baffle plate with the liquid delivery outlet of vaporizing, respectively be connected liquefied natural gas bottle and motor with the delivery outlet of vaporizing with liquid by pipeline with liquid vaporization inlet opening
Pressure inlet is the reverse acting spiral tubular construction, pressure inlet is set in the inner outside with the liquid generating tube of circular cylindrical shell, 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 by pipeline respectively with vaporization supercharging delivery outlet, form the vaporization boost-up circuit
Water-bath inlet opening, water-bath delivery outlet are connected with automobile engine cooling liquid by exterior line respectively, form the heating water bath loop, and 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 inboard center of right baffle plate,
Electric heating tube is loaded on the cylindrical shell center 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 compared with the existing technology produced:
1, owing to adopting electric heating and heating water bath mode, by pressure inlet, generating tube, combustion gas is carried out to Quick-pressurizing and vaporization, substituted traditional special low temperature pump, do not need in advance LNG Liquefied natural gas gas to be carried out to whole pressure regulation simultaneously yet, LNG Liquefied natural gas is directly annotated in vehicle gas cylinder immediately for engine start, the pressure that can guarantee the gas cylinder gas-phase space is not less than the pressure that system needs, and realizes normal ato unit under the low temperature environment temperature conditions and guarantees the continual and steady of gaseous-pressure in air supply system.
2, it has the characteristics such as simple in structure, reasonable in design, safe and reliable, low cost of manufacture.
The accompanying drawing explanation
The structural representation that Fig. 1 is the Vehicular liquefied natural gas vaporizer of the present invention.
The left view that Fig. 2 is Fig. 1.
The right elevation that Fig. 3 is 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 comprises 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 form a sealing integral body by welding.
The central upper portion position of the circular cylindrical shell 1 screw thread exhaust port that has been welded, the sealing gasket final vacuum plug 6 of packing into is loaded in the screw thread exhaust port.
The bottom centre position of the circular cylindrical shell 1 screw thread outage that has been welded, after the sealing gasket of packing into, bleed plug 12 is loaded in the screw thread outage.
With liquid vaporization inlet opening 15, be welded in the perforate of the left side of right baffle-plate 2, water-bath inlet opening 13, vaporization supercharging inlet opening 17 are welded respectively in the perforate of the upper and lower part of right baffle-plate 2.
Vaporization supercharging delivery outlet 10 is welded in the perforate of the right side of right baffle plate 8, water-bath delivery outlet 9, with liquid vaporization delivery outlet 11, is welded respectively in the perforate of the upper and lower part of right baffle plate 8.
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 be connected respectively liquefied natural gas bottle and motor with liquid vaporization delivery outlet 11 by pipeline.
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 by pipeline respectively with vaporization supercharging delivery outlet 10, forms the vaporization boost-up circuit.
Water-bath inlet opening 13, water-bath delivery outlet 9 are connected with automobile engine cooling liquid by pipeline respectively, form the heating water bath loop, and the inside of vaporizer is full of engine coolant.
Inner support 7 is welded in the inboard center of right baffle plate 8.
Electric heating tube 4 is loaded on the cylindrical shell center 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 the cooling liquid now started in 4 pairs of vaporizers of electric heating tube is heated.After cooling liquid in vaporizer completes heating, the heating power supply automatic disconnection, the electric heating tube 4 in vaporizer stops heating.
The vaporization supercharging inlet opening 17 of pressure inlet 3 left ends is connected in the liquid Space of LNG Liquefied natural gas combustion gas gas cylinder bottom by pipeline, vaporization supercharging delivery outlet 10 is connected in 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 vaporization supercharging inlet opening 17, 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 via vaporization supercharging delivery outlet 10 by pipeline, realize gas cylinder is continued to supercharging.
Start motor car engine, the gaseous natural gas in liquefied natural gas bottle upper gaseous phase space is flowed into liquid generating tubes 5 by the inlet opening 15 of vaporizing with liquid by pipeline, through heating secondary vaporizing by by the delivery outlet 11 of vaporizing with liquid, entering motor, for motor provides combustion gas.
When motor does not start, by the cooling liquid in 4 pairs of vaporizers of electric heating tube, heated.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 increase that forms the air pressure decline of liquefied natural gas bottle inside in motor use gas process and realize by pressure inlet 3 is consistent, and in assurance automobile air supply system, gaseous-pressure is continual and steady.
While being formed with too much gaseous state cooling liquid in vaporizer, can extracting venting plug 6 and carry out exhaust.
When needs increases and decreases or while changing in vaporizer cooling liquid, can 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), with liquid vaporize delivery outlet (11), bleed plug (12), water-bath inlet opening (13), fastening connection-peg (14), with liquid vaporize inlet opening (15), seal washer (16), vaporization supercharging inlet opening (17);
Circular cylindrical shell (1), right baffle-plate (2), right baffle plate (8) form a sealing integral body by welding;
The central upper portion position of circular cylindrical shell (1) the screw thread exhaust port that has been welded, the sealing gasket final vacuum plug (6) of packing into is loaded in the screw thread exhaust port;
The bottom centre position of circular cylindrical shell (1) the screw thread outage that has been welded, bleed plug after the sealing gasket of packing into (12) is loaded in the screw thread outage;
With the liquid inlet opening (15) of vaporizing, be welded in the left side perforate of right baffle-plate (2), 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), with the liquid delivery outlet (11) of vaporizing, is welded respectively in the upper and lower part perforate of right baffle plate (8);
With liquid generating tube (5), it is spiral tube structure, 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 the liquid inlet opening (15) of vaporizing, with the right-hand member of liquid generating tube (5) be welded to connect on right baffle plate (8) with the liquid delivery outlet (11) of vaporizing, respectively be connected liquefied natural gas bottle and motor with the delivery outlet (11) of vaporizing with liquid by pipeline with the 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 by pipeline respectively with vaporization supercharging delivery outlet (10), forms the vaporization boost-up circuit;
Water-bath inlet opening (13), water-bath delivery outlet (9) are connected with automobile engine cooling liquid by exterior line respectively, form the heating water bath loop, and 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 inboard center of right baffle plate (8);
Electric heating tube (4) is loaded on the cylindrical shell center 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, it is characterized in that: described pressure inlet (3) is the reverse acting spiral tubular construction, pressure inlet (3) is set in the inner outside with liquid generating tube (5) of circular cylindrical shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505847.0A CN103498738B (en) | 2013-10-24 | 2013-10-24 | Vehicle liquefied natural gas vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505847.0A CN103498738B (en) | 2013-10-24 | 2013-10-24 | Vehicle liquefied natural gas vaporizer |
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| Publication Number | Publication Date |
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| CN103498738A true CN103498738A (en) | 2014-01-08 |
| CN103498738B CN103498738B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310505847.0A Expired - Fee Related CN103498738B (en) | 2013-10-24 | 2013-10-24 | Vehicle liquefied natural gas vaporizer |
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Cited By (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 |
| CN105626318A (en) * | 2016-03-21 | 2016-06-01 | 武汉工程大学 | Vehicle LNG vaporizer with phase change heat storage materials |
| 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 |
| CN110017222A (en) * | 2018-01-10 | 2019-07-16 | 东莞中集物流装备技术研究院有限公司 | Vehicle and its natural gas supply system |
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| US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
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Cited By (7)
| 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 |
| CN105626318A (en) * | 2016-03-21 | 2016-06-01 | 武汉工程大学 | Vehicle LNG vaporizer with phase change heat storage materials |
| 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 |
| CN110017222A (en) * | 2018-01-10 | 2019-07-16 | 东莞中集物流装备技术研究院有限公司 | Vehicle and its natural gas supply system |
| 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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| Publication number | Publication date |
|---|---|
| CN103498738B (en) | 2015-07-08 |
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Granted publication date: 20150708 Termination date: 20181024 |