CN103216315A - Tractor using liquefied natural gas as fuel - Google Patents

Tractor using liquefied natural gas as fuel Download PDF

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Publication number
CN103216315A
CN103216315A CN2013101497591A CN201310149759A CN103216315A CN 103216315 A CN103216315 A CN 103216315A CN 2013101497591 A CN2013101497591 A CN 2013101497591A CN 201310149759 A CN201310149759 A CN 201310149759A CN 103216315 A CN103216315 A CN 103216315A
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CN
China
Prior art keywords
tractor
liquefied natural
natural gas
gas
fuel
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
Application number
CN2013101497591A
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Chinese (zh)
Inventor
宋玉平
王洪斌
杨卫平
郭庆新
翟平
白崇惠
沈天宇
李志丹
王学峰
李清华
乔建华
石坤鹏
康铁森
李灵敏
董春红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Tractor Co Ltd
Original Assignee
First Tractor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by First Tractor Co Ltd filed Critical First Tractor Co Ltd
Priority to CN2013101497591A priority Critical patent/CN103216315A/en
Publication of CN103216315A publication Critical patent/CN103216315A/en
Pending legal-status Critical Current

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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 provides a tractor using liquefied natural gas as fuel. The tractor comprises an electric control gas engine, a liquefied natural gas (LNG) supply device, a chassis and a covering piece. The electric control gas engine is respectively connected with a front axle and a gearbox of the chassis through connecting end faces of an oil pan. The LNG supply device is connected with the covering piece of the tractor through a fixed support and is connected with the electric control gas engine through a connecting pipe. The tractor is in strict accordance with relevant laws and regulations and passes detection on dynamic performance, economic performance, emission indexes and field trials. The emission indexes and the economic performance of the tractor using the liquefied natural gas as the fuel all exceed a traditional tractor using diesel oil as the fuel, and the dynamic performance of the tractor using the liquefied natural gas as the fuel also meets operating requirements. Therefore, the tractor using the liquefied natural gas as the fuel has the prominent comprehensive advantages of being environment-friendly, economic, high-efficiency, and the like.

Description

With the LNG Liquefied natural gas is the tractor of fuel
Technical field:
The invention belongs to the tractor field, relating to a kind of is the tractor of fuel with the LNG Liquefied natural gas.
Background technique:
Along with the continuous quickening of world industryization and economic integration, the cry of sustainable development is more and more higher, energy saving, preserves the ecological environment, reduces the common recognition that pollution has become countries in the world.Therefore, discharge the vehicle harmful exhaust and has formulated more and more stricter rules various countries.
Product, the reserves of China's natural gas are abundanter, fully use high efficiency, oligosaprobic natural gas resource has obtained social attention.The power plant of tradition tractor are diesel engines, use diesel oil to act as a fuel, thereby produce a large amount of effulents, and vibration, noise are bigger.The tractor that uses LNG Liquefied natural gas to act as a fuel, because its fuel LNG Liquefied natural gas main component is a methane, making does not have particle suspensions in the tractor effulent, carcinogen and sulphide such as not leaded in the waste gas, benzene, environmental-protecting performance is superior, vibration, noise also obviously reduce, and can reduce fuel cost simultaneously, improve the economic benefit of the whole society.Be that the tractor of fuel has environmental protection, economy, comprehensive advantage such as efficient with the LNG Liquefied natural gas.
Summary of the invention:
The object of the present invention is to provide a kind of environmental protection, economy, be the tractor of fuel with the LNG Liquefied natural gas efficiently.
The present invention can achieve the above object by the following technical programs.With the LNG Liquefied natural gas is the tractor of fuel, comprising: electric-controlled gas motor, LNG Liquefied natural gas supplier, chassis, covering; The electric-controlled gas motor connects end face by its oil sump and is connected with gearbox with the propons on chassis respectively; The LNG Liquefied natural gas supplier is connected with the tractor covering by fixed support, and is connected by connecting tube with the electric-controlled gas motor.
The electric-controlled gas motor comprises: solenoid valve, zero-pressure pressure governor, gas control valve, ECU (Electrical Control Unit), air-strainer, mixer, turbosupercharger, closure, engine body, suction tude, temperature transducer, pressure transducer, lambda sensor, flywheel, speed probe outlet pipe; Suction tude and outlet pipe are installed on the engine body, closure is installed on the suction tude, and closure links to each other with mixer by turbosupercharger, and mixer links to each other with gas control valve with air-strainer respectively, gas control valve connects the zero-pressure regulator, and the zero-pressure regulator connects solenoid valve; Temperature transducer and pressure transducer are installed in respectively on the suction tude, and speed probe is installed on the flywheel, and lambda sensor is installed on the outlet pipe, and temperature transducer, pressure transducer, lambda sensor and speed probe are connected with ECU (Electrical Control Unit) respectively; Gas control valve is connected with ECU (Electrical Control Unit).
The LNG Liquefied natural gas supplier comprises: gas cylinder, support, aerating panel, safety valve, reduction valve, liquid in-out mouth, flow-limiting valve, gas phase mouth, vaporizer; Support and aerating panel are fixed on the gas cylinder, and safety valve and reduction valve are installed in the gas cylinder, are connected with the liquid in-out mouth, and flow-limiting valve, gas phase mouth, vaporizer are arranged in outside the liquid in-out mouth.
The present invention can reach following beneficial effect after adopting technique scheme: this tractor has passed through the detection of power character, Economy, exhaust index and field experiment in strict accordance with relevant laws and regulations, analysis through great number tested data, it is the tractor of fuel with diesel oil that its discharging, economic performance index have all surpassed tradition, and power character also satisfies usage requirement.Highlight with the LNG Liquefied natural gas is that the tractor of fuel has environmental protection, economy, comprehensive advantage such as efficient.
Description of drawings:
Fig. 1 is the tractor structure schematic representation of fuel with the LNG Liquefied natural gas for the present invention;
Fig. 2 is the structural representation of electric-controlled gas motor of the tractor of fuel with the LNG Liquefied natural gas for the present invention;
Fig. 3 is the LNG Liquefied natural gas supplier schematic representation of the tractor of fuel with the LNG Liquefied natural gas for the present invention;
Embodiment:
The present invention will be further described below in conjunction with accompanying drawing.Shown in Fig. 1～3, be the tractor of fuel with the LNG Liquefied natural gas, comprising: electric-controlled gas motor 1, LNG Liquefied natural gas supplier 2, chassis 3, covering 4; Electric-controlled gas motor 1 connects end face by its oil sump and is connected with gearbox with the propons on chassis 3 respectively; LNG Liquefied natural gas supplier 2 is connected with tractor covering 4 by fixed support, and is connected by connecting tube with electric-controlled gas motor 1.
Electric-controlled gas motor 1 comprises: solenoid valve 5, zero-pressure pressure governor 6, gas control valve 7, ECU (Electrical Control Unit) 8, air-strainer 9, mixer 10, turbosupercharger 11, closure 12, engine body 13, suction tude 14, temperature transducer 15, pressure transducer 16, lambda sensor 17, flywheel 18, speed probe 19 outlet pipes 20; Suction tude 14 and outlet pipe 20 are installed on the engine body 13, closure 12 is installed on the suction tude 14, closure 12 links to each other with mixer 10 by turbosupercharger 11, mixer 10 is connected with gas control valve 7 with air-strainer 9 respectively, gas control valve 7 connects zero-pressure regulator 6, and zero-pressure regulator 6 connects solenoid valve 5; Temperature transducer 15 and pressure transducer 16 are installed in respectively on the suction tude 14, speed probe 19 is installed on the flywheel 18, lambda sensor 17 is installed on the outlet pipe 20, and temperature transducer 15, pressure transducer 16, lambda sensor 17 and speed probe 19 are connected with ECU (Electrical Control Unit) 8 respectively; Gas control valve 7 is connected with ECU (Electrical Control Unit) 8.
LNG Liquefied natural gas supplier 2 comprises: gas cylinder 21, support 22, aerating panel 23, safety valve 24, reduction valve 25, liquid in-out mouth 26, flow-limiting valve 27, gas phase mouth 28, vaporizer 29; Support 22 and aerating panel 23 are fixed on the gas cylinder 21, and safety valve 24 and reduction valve 25 are installed in the gas cylinder 21, are connected with liquid in-out mouth 26, and flow-limiting valve 27, gas phase mouth 28, vaporizer 29 are arranged in outside the liquid in-out mouth 26.
When tractor was worked, the LNG Liquefied natural gas in the gas cylinder 21 entered the vaporizer 29 from connecting pipeline, and vaporizer 29 utilizes the wherein liquid rock gas of recirculated cooling water heating of motor to make it gasification.Natural gas via connecting line after the gasification enters in the mixer 10 of motor, after ECU (Electrical Control Unit) 8 accurate Calculation abundant mixed mixed gas is injected in the cylinder with certain air fuel ratio and burns.
Gas cylinder 21 is provided with safety valve 24, liquid in-out mouth 26, flow-limiting valve 27.Safety valve 24 can the safety control gas cylinder pressure in 21, flow-limiting valve 27 control LNG Liquefied natural gas go out throughput.Gas cylinder 21 inner bags are provided with level sensor, liquid-adding device, blow-down pipe etc.The liquid level display unit is arranged showing liquid level in the gas cylinder 21, liquid level display is installed on the instrument desk that the driver is convenient to observe.Supporting structure adopts ripe two end supports structure.The general employing of gas cylinder 21 installation forms is horizontal.The mode of filling adopts the automobile-used filling machine liquid feeding of LNG Liquefied natural gas, liquid feeding efficient height.Aerating interface and return-air interface are installed on the aerating panel 23, add the installation of gas port and return-air mouth and should keep enough spaces, and air filling gun and return-air rifle are interfered when avoiding aerating.During arranging, car load reserves the operating space of air filling gun and return-air rifle.When gas cylinder 21 was installed, valve end (outermost) is the reservation operations space outwards, so that valve operation, maintenance and replacing.
The water heating arrangement that vaporizer 29 adopts around tubular type, it is the sebific duct of Φ 10mm that turnover water pipe adopts internal diameter, needs to guarantee circulating cooling water flow; Vaporizer 29 air outlets dispose pipeline pressure regulator valve, pressure gauge, outlet connection.The pipeline pressure regulator valve can be adjusted the pressure of vaporizer 29 air outlets, makes it stable, and adaptive with the suction pressure of motor requirement.LNG Liquefied natural gas is imported and exported and the import and export direction of recirculated cooling water is consistent, the intake-outlet of vaporizer 29 should be lower than the highest order of water level in the engine water tank, the mounting point of vaporizer 29 is as far as possible near gas cylinder liquid in-out mouth 26, pipeline connects should be less than 3m, if the connecting line between vaporizer 29 and the gas cylinder 21 is long, then can cause system's air feed deficiency.
It is the tractor of fuel with diesel oil that the discharging of this tractor, economic performance have all surpassed tradition, and power character also satisfies usage requirement, has environmental protection, economy, comprehensive advantage such as efficient.

Claims (3)

1. be the tractor of fuel with the LNG Liquefied natural gas, comprise: electric-controlled gas motor (1), LNG Liquefied natural gas supplier (2), chassis (3), covering (4); It is characterized in that: electric-controlled gas motor (1) connects end face by its oil sump and is connected with gearbox with the propons of chassis (3) respectively; LNG Liquefied natural gas supplier (2) is connected with tractor covering (4) by fixed support, and is connected by connecting tube with electric-controlled gas motor (1).
2. according to claim 1 is the tractor of fuel with the LNG Liquefied natural gas, it is characterized in that: suction tude (14) in the electric-controlled gas motor (1) and outlet pipe (20) are installed on the engine body (13), closure (12) is installed on the suction tude (14), closure (12) links to each other with mixer (10) by turbosupercharger (11), mixer (10) links to each other with gas control valve (7) with air-strainer (9) respectively, gas control valve (7) connects zero-pressure regulator (6), and zero-pressure regulator (6) connects solenoid valve (5); Temperature transducer (15) and pressure transducer (16) are installed in respectively on the suction tude (14), speed probe (19) is installed on the flywheel (18), lambda sensor (17) is installed on the outlet pipe (20), and temperature transducer (15), pressure transducer (16), lambda sensor (17) and speed probe (19) are connected with ECU (Electrical Control Unit) (8) respectively; Gas control valve (7) is connected with ECU (Electrical Control Unit) (8).
3. according to claim 1 is the tractor of fuel with the LNG Liquefied natural gas, it is characterized in that: support (22) in the LNG Liquefied natural gas supplier (2) and aerating panel (23) are fixed on the gas cylinder (21), safety valve (24) and reduction valve (25) are installed in the gas cylinder (21), be connected with liquid in-out mouth (26), flow-limiting valve (27), gas phase mouth (28), vaporizer (29) are arranged in outside the liquid in-out mouth (26).
CN2013101497591A 2013-04-26 2013-04-26 Tractor using liquefied natural gas as fuel Pending CN103216315A (en)

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CN2013101497591A CN103216315A (en) 2013-04-26 2013-04-26 Tractor using liquefied natural gas as fuel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103465772A (en) * 2013-09-04 2013-12-25 刘胜 Improved tractor
CN106224130A (en) * 2016-10-08 2016-12-14 河南柴油机重工有限责任公司 A kind of V-type integration natural gas compressor auxiliary fuel supply-system and method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201013456Y (en) * 2007-03-15 2008-01-30 李勇 Diesel oil-LNG electrically controlled dual-fuel engine system
CN201180583Y (en) * 2008-04-11 2009-01-14 东莞市力宇燃气动力有限公司 Gas engine modified by diesel engine
JP2009280124A (en) * 2008-05-23 2009-12-03 Nippon Sharyo Seizo Kaisha Ltd Tank semi-trailer
CN201553010U (en) * 2009-12-11 2010-08-18 重庆恒通客车有限公司 Flue gas passenger car with LNG gas cylinder and hidden postpositive engine
CN201786483U (en) * 2010-04-27 2011-04-06 潍柴动力股份有限公司 Fuel supply system and vehicle system comprising same
CN202319906U (en) * 2011-11-22 2012-07-11 第一拖拉机股份有限公司 Integral structure of frame type wheeled tractor
CN102705701A (en) * 2011-04-29 2012-10-03 张家港富瑞特种装备股份有限公司 Gas supply device for engine
CN203239446U (en) * 2013-04-26 2013-10-16 第一拖拉机股份有限公司 Tractor with liquefied natural gas as fuel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201013456Y (en) * 2007-03-15 2008-01-30 李勇 Diesel oil-LNG electrically controlled dual-fuel engine system
CN201180583Y (en) * 2008-04-11 2009-01-14 东莞市力宇燃气动力有限公司 Gas engine modified by diesel engine
JP2009280124A (en) * 2008-05-23 2009-12-03 Nippon Sharyo Seizo Kaisha Ltd Tank semi-trailer
CN201553010U (en) * 2009-12-11 2010-08-18 重庆恒通客车有限公司 Flue gas passenger car with LNG gas cylinder and hidden postpositive engine
CN201786483U (en) * 2010-04-27 2011-04-06 潍柴动力股份有限公司 Fuel supply system and vehicle system comprising same
CN102705701A (en) * 2011-04-29 2012-10-03 张家港富瑞特种装备股份有限公司 Gas supply device for engine
CN202319906U (en) * 2011-11-22 2012-07-11 第一拖拉机股份有限公司 Integral structure of frame type wheeled tractor
CN203239446U (en) * 2013-04-26 2013-10-16 第一拖拉机股份有限公司 Tractor with liquefied natural gas as fuel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103465772A (en) * 2013-09-04 2013-12-25 刘胜 Improved tractor
CN106224130A (en) * 2016-10-08 2016-12-14 河南柴油机重工有限责任公司 A kind of V-type integration natural gas compressor auxiliary fuel supply-system and method

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Application publication date: 20130724