CN103225571A - Mix-heating liquefied natural gas vaporizer - Google Patents
Mix-heating liquefied natural gas vaporizer Download PDFInfo
- Publication number
- CN103225571A CN103225571A CN201310113173XA CN201310113173A CN103225571A CN 103225571 A CN103225571 A CN 103225571A CN 201310113173X A CN201310113173X A CN 201310113173XA CN 201310113173 A CN201310113173 A CN 201310113173A CN 103225571 A CN103225571 A CN 103225571A
- Authority
- CN
- China
- Prior art keywords
- heat exchanging
- natural gas
- exchanging tube
- heating chamber
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a mix-heating liquefied natural gas vaporizer which comprises a barrel, a natural gas inlet joint, a natural gas outlet joint, spiral heat exchange tubes, an electrical heating wire, a partition plate and a connecting tube, wherein the barrel is divided into a water heating cavity and an electrical heating cavity by the partition plate. The liquefied natural gas vaporizer for a vehicle is heated by a combined mode of electrical heating and engine cooling water heating; the vaporizer mainly aims at converting liquefied natural gas to room-temperature gaseous natural gas for an engine; the heating problem of the liquefied natural gas vaporizer for the conventional vehicle during cold start is solved; and the cold start performance of the vehicle is improved.
Description
Technical field
The invention belongs to automobile-used vaporizer technical field, liquified natural gas vaporizer when relating to a kind of Hybrid Heating is specifically related to a kind of dual heating type liquified natural gas vaporizer that uses electric heating and engine cooling water heating.
Background technique
Each state is all in the research that steps up the alternative fuel automobile at present, and rock gas is considered to a kind of alternative fuel with development prospect, and it is higher at natural reserves, and emission performance is better than petrol engine and diesel engine.Rock gas is had dual mode as automotive fuel: first kind of mode be with the natural gas storage after the compression in gas cylinder, then with the compressed natural gas in the gas cylinder as source of the gas, by decompressor decompression back supply engine, simple and the realization easily of this mode, but stored energy density is low, and the continual mileage of vehicle is shorter.And, because the pressure in the gas cylinder is higher, bring potential safety hazard for the transportation of gas cylinder, use; Another kind of mode is that LNG Liquefied natural gas (LNG) is stored in the gas cylinder, then the LNG Liquefied natural gas in the gas cylinder is converted into supply engine behind the gaseous natural gas by vaporizer, and this mode can significantly improve the continual mileage of vehicle.
At present, what the automobile that acts as a fuel at use LNG adopted usually is water-bath type LNG vaporizer, is CN101169223A disclosed " vaporizer of water-bath type liquefied natural gas " as publication number, and this vaporizer adopts the cooling water of motor to add heat vapourizer.When the motor proper functioning, coolant water temperature is higher, so can be both economical add heat vapourizer.But coolant water temperature is lower during engine cold-start, can't provide vaporizer required add heat, LNG can not well vaporize, the engine cold-start difficulty.
Summary of the invention
The objective of the invention is to address the above problem, a kind of dual heating type LNG vaporizer is proposed, it adopts the compound mode of electric heating and engine cooling water heating to come to heat to vaporizer, when cold start-up, ECU is according to the heating of sensor signal control electric heater, allow vaporizer shift to an earlier date the preheated one-section time, allow motor start smoothly; When engine coolant temperature arrived certain value, ECU cut off the power supply of electric heater, allows cooling water heat separately, did not so just waste the electric energy of storage battery.
A kind of dual heating type liquified natural gas vaporizer comprises cylindrical shell, gas inlet joint, gas outlet joint, heat exchanging tube A, heat exchanging tube B, electrical heating wire, dividing plate, connecting tube;
Cylindrical shell is a hollow structure, is divided into the chamber of two sealings by dividing plate, is respectively water heating chamber and electric heating chamber, and dividing plate is provided with connecting tube, and connecting tube is used to be communicated with heat exchanging tube A and heat exchanging tube B; The head of water heating chamber is provided with the gas inlet joint, and barrel is provided with into water interface and water outlet interface, is provided with heat exchanging tube A in the water heating chamber, and heat exchanging tube A one end is communicated with the gas inlet joint, and the other end is communicated with connecting tube; The tail end in electric heating chamber is provided with the gas outlet joint, be provided with heat exchanging tube B in the electric heating chamber, spirality heat exchanging tube B one end is communicated with connecting tube, the other end is communicated with the gas outlet joint, the barrel in electric heating chamber is provided with threading hole, and heat exchanging tube B periphery is wound with electrical heating wire, and lead one end links to each other with electrical heating wire by threading hole, the other end connects power supply by electrically switchable grating, and it is siliceous that electrical heating wire is provided with one deck heat conduction.
Threading hole specifically is positioned on the barrel of electric heating chamber gas outlet joint one side.
Lead is fixed in the threading hole by glue.
The cylindrical shell lower end is provided with bearing.
Heat exchanging tube A and heat exchanging tube B are the spirality heat exchanging tube.
Electrical heating wire comprises two metal films, resistance material and isolation layers, and two metal films are one positive one negative, are positioned at resistance material inside, and isolation layer is positioned at the resistance material periphery, two metal films energisings, resistance material heating.
The invention has the advantages that:
(1) the present invention is keeping traditional good and both economical advantage of the water-bath type LNG vaporizer efficiency of heating surface, by adding one section spiral heat exchange tube that has electrical heating wire, significantly do not increase cost and member complexity, when engine coolant temperature is low, can accelerate the boil-off rate of vaporizer by electric heating, improve the cold starting performance of vehicle;
(2) after the present invention had added electric heating, with traditional water-bath type LNG vaporizer, the water bringing-up section can shorten relatively, and whole device size and weight are expected to reduce;
(3) electrical heating wire of the present invention is attached on the heating pipe, and outsourcing heat conduction is siliceous, and the heat that electrical heating wire sends can also pass to heating pipe more uniformly sooner, has improved the efficiency of heating surface and speed, also can shorten the length of electric heater section;
(4) heating of electrical heating wire of the present invention can be controlled flexibly, but does not increase the cost of sensor and controller.
Description of drawings
Fig. 1: structural representation of the present invention;
Fig. 2: heating wire cross-sectional configuration schematic representation of the present invention;
Among the figure:
1-cylindrical shell 2-water inlet interface 3-water outlet interface 4-gas inlet joint
5 gas outlet joint 6-heat exchanging tube A 7-heat exchanging tube B 8-water heating chambers
9-electric heating chamber 10-bearing 11-electrical heating wire 12-heating wire lead
13-threading hole 14-dividing plate 15-connecting tube 16-electrode
17-resistance material 18-isolation layer
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The present invention is a kind of dual heating type liquified natural gas vaporizer, as shown in Figure 1, comprises cylindrical shell 1, gas inlet joint 4, gas outlet joint 5, heat exchanging tube A6, heat exchanging tube B7, electrical heating wire 11, dividing plate 14, connecting tube 15.
Cylindrical shell 1 is a hollow structure, is divided into the chamber of two sealings by dividing plate 14, is respectively water heating chamber 8 and electric heating chamber 9.Dividing plate 14 is provided with connecting tube 15, and connecting tube 15 is used to be communicated with spirality heat exchanging tube A6 and spirality heat exchanging tube B7.
The head of water heating chamber 8 is provided with gas inlet joint 4, and barrel is provided with into water interface 2 and water outlet interface 3, is provided with spirality heat exchanging tube A6 in the water heating chamber 8, and spirality heat exchanging tube A6 one end is communicated with gas inlet joint 4, and the other end is communicated with connecting tube 15.
The tail end in electric heating chamber 9 is provided with gas outlet joint 5, is provided with spirality heat exchanging tube B7 in the electric heating chamber 9, and spirality heat exchanging tube B7 one end is communicated with connecting tube 15, and the other end is communicated with gas outlet joint 5.The barrel of gas outlet joint 5 one sides is provided with threading hole 13, spirality heat exchanging tube B7 periphery is wound with electrical heating wire 11, lead 12 1 ends link to each other with electrical heating wire 11 by threading hole 13, be electrical heating wire 11 energisings, the other end is connected to power supply by electrically switchable grating, lead 12 is fixed in the threading hole 13 by glue, and it is siliceous that electrical heating wire 11 is provided with one deck heat conduction.
Cylindrical shell 1 lower end is provided with bearing 10, makes things convenient for the fixing of vaporizer.
Being full of engine cooling water in the water heating chamber 8, is air in the electric heating chamber 9, and the heat exchange of air and electrical heating wire 11 is low, helps electric heating and more flows to heating pipe.
Be respectively arranged with spirality heat exchanging tube A6 and spirality heat exchanging tube B7 in water heating chamber 8 and the electric heating chamber 9, adopt the spirality heat exchanging tube, the area of contact of heat-exchanging element is big, and rock gas has souring in the volute internal flow, can increase the convection transfer rate of rock gas with heat exchanging tube, also have a reason be exactly rock gas flowing time is long therein, the time of heat exchange and vaporization is abundant.
Cylindrical shell 1 all adopts the form of welding with gas inlet joint 4, gas outlet joint 5, the machining of Convenient interface, and cylindrical shell 1 main body part adopts casting, easy to process.
Spirality heat exchanging tube B7 is twining electrical heating wire 11 in the periphery, has twined that to dip in last layer heat conduction behind the electrical heating wire siliceous, and such structure can allow heat that electric heating wire produces with many and pass to heat exchanging tube B7 more uniformly, has improved the efficiency of heating surface.As shown in Figure 2, be the sectional schematic diagram of electrical heating wire 11, electrical heating wire 11 comprises that two metal films 16, resistance material 17 and 18, two metal films of isolation layer 16 are one positive one negative, be positioned at resistance material 17 inside, isolation layer 18 is positioned at resistance material 17 peripheries, two metal film 16 energisings, resistance material 17 heatings, isolation layer 18 prevents that leakance is to heat exchanging tube B7, isolation layer 18 is very thin, makes things convenient for the heat of electrical heating wire 11 to distribute, also convenient the winding.
Working procedure:
When vehicle will start, ignition switch is in the position of ON, ECU(Electronic Control Unit, electronic control unit, claim again " car running computer ", " vehicle-mounted computer " etc.) detection cooling liquid sensor signal, judge whether vehicle is in the cold start-up operating mode, if, ECU opens the electrically switchable grating of electrical heating wire 11, and electrical heating wire 11 starts, and gives by entering from gas inlet joint 4, the flow through rock gas heating of heat exchanging tube B7, rock gas after the vaporization is exported by gas outlet joint 5 then, and then, give vaporizer preheating and heating by electrical heating wire 11; When ECU detects coolant temperature above after the threshold value, ECU closes the electrically switchable grating of electrical heating wire 11, cooling liquid enters water heating chamber 8 by water inlet interface 2, flow out water heating chamber 8 by water outlet interface 3, heat by the rock gas among the coolant temperature exchange heat pipe A6, rock gas after the vaporization is exported by gas outlet joint 5, and then, heat to vaporizer by the cooling liquids in the water heating chamber 8.
Claims (6)
1. dual heating type liquified natural gas vaporizer, it is characterized in that, comprise cylindrical shell (1), gas inlet joint (4), gas outlet joint (5), heat exchanging tube A(6), heat exchanging tube B(7), electrical heating wire (11), dividing plate (14), connecting tube (15);
Cylindrical shell (1) is a hollow structure, the chamber that is divided into two sealings by dividing plate (14), be respectively water heating chamber (8) and electric heating chamber (9), dividing plate (14) is provided with connecting tube (15), and connecting tube (15) is used to be communicated with heat exchanging tube A(6) and heat exchanging tube B(7); The head of water heating chamber (8) is provided with gas inlet joint (4), barrel is provided with into water interface (2) and water outlet interface (3), the water heating chamber is provided with heat exchanging tube A(6 in (8)), heat exchanging tube A(6) end connection gas inlet joint (4), the other end is communicated with connecting tube (15); The tail end in electric heating chamber (9) is provided with gas outlet joint (5), the electric heating chamber is provided with heat exchanging tube B(7 in (9)), spirality heat exchanging tube B(7) end is communicated with connecting tube (15), the other end is communicated with gas outlet joint (5), the barrel in electric heating chamber (9) is provided with threading hole (13), heat exchanging tube B(7) periphery is wound with electrical heating wire (11), lead (12) one ends link to each other with electrical heating wire (11) by threading hole (13), the other end connects power supply by electrically switchable grating, and it is siliceous that electrical heating wire (11) is provided with one deck heat conduction.
2. a kind of dual heating type liquified natural gas vaporizer according to claim 1 is characterized in that threading hole (13) specifically is positioned on the barrel of electric heating chamber (9) gas outlet joint (5) one sides.
3. a kind of dual heating type liquified natural gas vaporizer according to claim 1 is characterized in that lead (12) is fixed in the threading hole (13) by glue.
4. a kind of dual heating type liquified natural gas vaporizer according to claim 1 is characterized in that, cylindrical shell (1) lower end is provided with bearing (10).
5. a kind of dual heating type liquified natural gas vaporizer according to claim 1 is characterized in that heat exchanging tube A(6) and heat exchanging tube B(7) be the spirality heat exchanging tube.
6. a kind of dual heating type liquified natural gas vaporizer according to claim 1, it is characterized in that, electrical heating wire (11) comprises two metal films (16), resistance material (17) and isolation layer (18), two metal films (16) are one positive one negative, be positioned at resistance material (17) inside, isolation layer (18) is positioned at resistance material (17) periphery, two metal films (16) energising, resistance material (17) heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310113173XA CN103225571A (en) | 2013-04-02 | 2013-04-02 | Mix-heating liquefied natural gas vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310113173XA CN103225571A (en) | 2013-04-02 | 2013-04-02 | Mix-heating liquefied natural gas vaporizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103225571A true CN103225571A (en) | 2013-07-31 |
Family
ID=48836158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310113173XA Pending CN103225571A (en) | 2013-04-02 | 2013-04-02 | Mix-heating liquefied natural gas vaporizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103225571A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405535A (en) * | 2014-09-23 | 2015-03-11 | 三一汽车制造有限公司 | Natural gas control system and vehicle |
| CN105298687A (en) * | 2014-07-25 | 2016-02-03 | 陕西汽车集团有限责任公司 | Water bath type vaporizer |
| CN109442207A (en) * | 2018-11-29 | 2019-03-08 | 无锡诺贝特流体设备科技有限公司 | A kind of assembled water bath carburetor |
| CN113006976A (en) * | 2016-01-21 | 2021-06-22 | Itt制造企业有限责任公司 | Natural gas pressure regulator with adjustable valve seat |
| CN115013146A (en) * | 2022-06-12 | 2022-09-06 | 贺齐胜 | Fuel-filling device for internal combustion engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205231U (en) * | 1986-07-18 | 1987-02-18 | 刘志男 | Conducting plastic electrothermal wire |
| US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
| US20030188726A1 (en) * | 2002-04-08 | 2003-10-09 | Hitachi, Ltd. | Combustion stabilizing device |
| CN1746476A (en) * | 2005-09-23 | 2006-03-15 | 吕国怀 | Gas engine |
| CN201209492Y (en) * | 2008-06-19 | 2009-03-18 | 东风汽车有限公司 | Vaporizer for liquefied natural gas vehicle |
| CN203114459U (en) * | 2013-04-02 | 2013-08-07 | 北京航空航天大学 | Mixed heating type liquefied natural gas vaporizer |
-
2013
- 2013-04-02 CN CN201310113173XA patent/CN103225571A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205231U (en) * | 1986-07-18 | 1987-02-18 | 刘志男 | Conducting plastic electrothermal wire |
| US4984555A (en) * | 1989-07-14 | 1991-01-15 | Huang Kuo Liang | Diesel engine fuel pipeline heating device |
| US20030188726A1 (en) * | 2002-04-08 | 2003-10-09 | Hitachi, Ltd. | Combustion stabilizing device |
| CN1746476A (en) * | 2005-09-23 | 2006-03-15 | 吕国怀 | Gas engine |
| CN201209492Y (en) * | 2008-06-19 | 2009-03-18 | 东风汽车有限公司 | Vaporizer for liquefied natural gas vehicle |
| CN203114459U (en) * | 2013-04-02 | 2013-08-07 | 北京航空航天大学 | Mixed heating type liquefied natural gas vaporizer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298687A (en) * | 2014-07-25 | 2016-02-03 | 陕西汽车集团有限责任公司 | Water bath type vaporizer |
| CN104405535A (en) * | 2014-09-23 | 2015-03-11 | 三一汽车制造有限公司 | Natural gas control system and vehicle |
| CN113006976A (en) * | 2016-01-21 | 2021-06-22 | Itt制造企业有限责任公司 | Natural gas pressure regulator with adjustable valve seat |
| CN109442207A (en) * | 2018-11-29 | 2019-03-08 | 无锡诺贝特流体设备科技有限公司 | A kind of assembled water bath carburetor |
| CN115013146A (en) * | 2022-06-12 | 2022-09-06 | 贺齐胜 | Fuel-filling device for internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203114459U (en) | Mixed heating type liquefied natural gas vaporizer | |
| CN103225571A (en) | Mix-heating liquefied natural gas vaporizer | |
| US20060179819A1 (en) | System and method for reducing vehicle emissions and/or generating hydrogen | |
| CN102834599A (en) | Engine fuel reformer monitoring | |
| CN103423584A (en) | High-density complex storage system of hydrogen/ natural gas dual fuel and control method thereof | |
| CN108346842A (en) | A kind of automobile power cell low temperature assisted heating device using phase change heat accumulator | |
| US10294891B2 (en) | Energy collector system applicable to combustion engines | |
| CN204646487U (en) | A kind of diesel engine constant temperature oil supplying device | |
| CN105626318B (en) | A kind of automobile-used LNG vaporization device using phase change heat storage material | |
| CN105882355A (en) | Heating system of low-speed hybrid electric vehicle | |
| CN105697117A (en) | Double-exhaust-pipeline system for automobile | |
| CN103498738B (en) | Vehicle liquefied natural gas vaporizer | |
| CN110454260A (en) | A kind of accumulation energy type hybrid vehicle energy regenerating and denoising device | |
| CN201209492Y (en) | Vaporizer for liquefied natural gas vehicle | |
| US9234454B2 (en) | Adiabatic compressed air energy storage for automotive vehicle and energy storage method using the same | |
| CN102174906A (en) | Automobile eddy current retarder breaking heat energy recycling device and control method | |
| CN203756369U (en) | Liquefied natural gas vaporizer for vehicle | |
| CN109968944A (en) | A kind of heating system and control method of extended-range hybrid vehicle | |
| CN105604748A (en) | Fuel tank heating structure | |
| US20120297753A1 (en) | Exhaust system with heat accumulator | |
| CN104763555B (en) | The system and method for natural gas engine cooling water temperature is reduced using LNG cold energy | |
| CN211202158U (en) | Heating device for fuel tank of motor home | |
| US20100229808A1 (en) | Heat transferring device and method to boost fuel economy in motor vehicles | |
| CN209552877U (en) | A kind of heating system of extended-range hybrid vehicle | |
| CN111559239A (en) | Gas-electric hybrid automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130731 |