CN105736194B - A kind of combustion gas bull-dozer water-cycle heating and combustion gas bull-dozer - Google Patents
A kind of combustion gas bull-dozer water-cycle heating and combustion gas bull-dozer Download PDFInfo
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- CN105736194B CN105736194B CN201610134743.7A CN201610134743A CN105736194B CN 105736194 B CN105736194 B CN 105736194B CN 201610134743 A CN201610134743 A CN 201610134743A CN 105736194 B CN105736194 B CN 105736194B
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- Prior art keywords
- combustion gas
- dozer
- water
- bull
- gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
- F02M31/18—Other apparatus for heating fuel to vaporise fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/06—Apparatus for de-liquefying, e.g. by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
- F02M31/18—Other apparatus for heating fuel to vaporise fuel
- F02M31/183—Control
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of combustion gas bull-dozer water-cycle heating and combustion gas bull-dozers, are related to bull-dozer technical field.Combustion gas bull-dozer water-cycle heating proposed by the present invention, including the electric heater in water tank and water tank, the inlet and outlet of the water tank are connected to by circulating water pipe, and the circulating water pipe flows through the vaporizer, and water pump is provided on the circulating water pipe.A kind of combustion gas bull-dozer, mainly using gas engine as the dozer device of power source, including above-mentioned combustion gas bull-dozer water-cycle heating.Combustion gas bull-dozer water-cycle heating and combustion gas bull-dozer proposed by the present invention, vaporizer is heated by independent water-cycle heating, so that the temperature and tolerance satisfaction of vaporization combustion gas open vehicle needs, ensure the normal startup for still ensuring that combustion gas bull-dozer at low temperature.
Description
Technical field
The present invention relates to bull-dozer technical fields more particularly to a kind of combustion gas bull-dozer water-cycle heating and combustion gas to push away
Native machine.
Background technology
Combustion gas bull-dozer is the dozer device for using gas engine as power source, gas engine operation principle
For：Liquefied natural gas enters vaporizer from gas cylinder body by pipeline, heating vaporization is carried out using engine cooling water, after vaporization
Gas enters heat exchanger of engine after solenoid valve, voltage-stablizer and combustion gas filter.Then pass through combustion gas thermostat, combustion gas
Metering valve enters mixer and clean air mixing, and mixed gas enters combustion chamber, is easily ignited by the spark plug and starts to burn.
Gas engine adapts to environment temperature and is generally -25 DEG C to 55 DEG C, in cold winter, opens vehicle difficulty failure frequency
It is numerous, often occur opening several seconds flame-out phenomenons of vehicle, vehicle can be just opened after repeatedly attempting.Main cause is to start Qi Cheshi, by
Low in environment temperature and engine speed, engine coolant temperature is low and water flow is small, when by heat exchanger of engine, causes
Natural gas temperature made of being vaporized by vaporizer is low and amount of natural gas is inadequate, therefore mixed gas is not easy to light, to make
It is easily flame-out that appearance of vehicle is opened at winter.
Invention content
It is an object of the invention to propose a kind of combustion gas bull-dozer water-cycle heating, can independent operating, in advance plus
Heat can provide enough heats for vaporizer, ensure the temperature and tolerance of combustion gas, ensure to be easy to open in the case that temperature is low
Vehicle.
It is another object of the present invention to propose a kind of combustion gas bull-dozer, including above-mentioned combustion gas bull-dozer water cycle plus
Hot systems.
For this purpose, the present invention uses following technical scheme：
A kind of combustion gas bull-dozer water-cycle heating, including the electric heater in water tank and water tank, the water tank into
The mouth of a river is connected to water outlet by circulating water pipe, and the circulating water pipe flows through the vaporizer, is provided on the circulating water pipe
Water pump.
Further technical solution, further includes normally closed relay and combustion gas soil-shifting machine controller, and the normally closed relay is set
It is connect between the electric heater and the power switch of combustion gas bull-dozer, and with water pump, for controlling electric heater and water
The power on/off of pump；The combustion gas soil-shifting machine controller is connect with the normally closed relay, the disconnection for controlling normally closed relay.
Further technical solution further includes gas engine ECU, and the gas engine ECU is connected with fuel gas temperature
Detection device, combustion gas tolerance detection device and engine speed detection device, the fuel gas temperature detection device, combustion gas tolerance
Detection device is set in vaporizer, is respectively used to the flow of the temperature and vaporization combustion gas of the vaporization combustion gas in detection vaporizer, and
The flow signal of the temperature signal of the vaporization combustion gas detected and vaporization combustion gas is sent to gas engine ECU respectively, it is described
Engine speed detection device is set in engine, the velocity of rotation for detecting engine, and by the engine detected
Velocity of rotation signal is sent to gas engine ECU,
The gas engine ECU be used for receives and to combustion gas soil-shifting machine controller transmit it is described vaporize combustion gas temperature,
The signal of the flow of combustion gas and the velocity of rotation of engine is vaporized,
The combustion gas soil-shifting machine controller is connect with gas engine ECU, attention device, for receiving gas engine ECU
The temperature of the vaporization combustion gas of transmission, the signal for vaporizing the flow of combustion gas and the velocity of rotation of engine, judge the temperature for vaporizing combustion gas
If degree and the flow signal of vaporization combustion gas reach preset value, control attention device, which is sent out, opens vehicle warning；When receiving engine
Tach signal, combustion gas soil-shifting machine controller send out instruction, and control normally closed relay disconnects, to which electric heater and water pump stop work
Make.
Further technical solution, the circulating water pipe spiral are wrapped on the vaporizer.
Further technical solution, the water pump are electric water pump.
A kind of combustion gas bull-dozer, including above-mentioned combustion gas bull-dozer water-cycle heating.
Beneficial effects of the present invention：
Combustion gas bull-dozer water-cycle heating proposed by the present invention, including water tank and the water in water tank is heated
Electric heater, the circulating water pipe by being picked out on water tank heat the liquefaction gas in vaporizer when by vaporizer,
Enough heats are provided for vaporizer, ensures the temperature and tolerance that start the required vaporization combustion gas of engine, realizes in temperature
It can be easy to open vehicle in the case of low.
Combustion gas bull-dozer proposed by the present invention, including above-mentioned combustion gas bull-dozer water-cycle heating, enable to this
Combustion gas bull-dozer can normally open vehicle at low temperature.
Description of the drawings
Fig. 1 is the structural schematic diagram for the combustion gas bull-dozer water-cycle heating that the specific embodiment of the invention provides.
Wherein, 1, water tank；2, electric heater；3, circulating water pipe；4, vaporizer；5, electric water pump；6, normally closed relay；7、
Combustion gas soil-shifting machine controller；8, the power switch of combustion gas bull-dozer；9, gas engine ECU；10, fuel gas temperature detection device；
11, combustion gas tolerance detection device；12, engine speed detection device；13, attention device；；14, engine.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Referring to Fig. 1, a kind of combustion gas bull-dozer water-cycle heating, including the electric heater 2 in water tank 1 and water tank 1,
The inlet and outlet of the water tank 1 are connected to by circulating water pipe 3, and the circulating water pipe 3 flows through the vaporizer 4, described
It is provided with water pump on circulating water pipe 3, the specific water pump is electric water pump 5.Water in water tank 1 is heated by electric heater 2, so
The water flowing in the circulating water pipe 3 is promoted by electric water pump 5 afterwards, heating vaporization is carried out to the liquefied natural gas in vaporizer 4,
So that the temperature rise and tolerance of vaporized natural in vaporizer 4 increase, ensure that combustion gas bull-dozer at low temperature normal opens
It is dynamic.
In present embodiment, water-cycle heating further includes normally closed relay 6 and combustion gas soil-shifting machine controller 7,
The normally closed relay 6 is set between the electric heater 2 and the power switch 8 of combustion gas bull-dozer, and is connected with electric water pump 5
It connects, the power on/off for controlling electric heater 2 and electric water pump 5；The combustion gas soil-shifting machine controller 7 and the normally closed relay
6 connections, for controlling being opened or closed for normally closed relay 6.
Further, water-cycle heating further includes gas engine ECU9, and the gas engine ECU9 is connected with
Fuel gas temperature detection device 10, combustion gas tolerance detection device 11 and engine speed detection device 12, the fuel gas temperature inspection
Survey device 10, combustion gas tolerance detection device 11 is set in vaporizer 4, the temperature for vaporizing combustion gas being respectively used in detection vaporizer 4
Degree, the flow for vaporizing combustion gas, and respectively send the flow signal of the temperature signal of the vaporization combustion gas detected and vaporization combustion gas
Gas engine ECU9, the engine speed detection device 12 is given to be set in engine 14, for detecting turning for engine 14
Dynamic speed, and the velocity of rotation signal of the engine 14 detected is sent to gas engine ECU9, the gas engine
ECU9 is used to receive and transmits the temperature of the vaporization combustion gas to combustion gas soil-shifting machine controller 7, vaporizes the flow of combustion gas and start
The signal of the velocity of rotation of machine 14.
Combustion gas soil-shifting machine controller 7 is connect with gas engine ECU9, attention device 13, for receiving gas engine ECU9
The temperature of the vaporization combustion gas of transmission, the signal for vaporizing the flow of combustion gas and the velocity of rotation of engine 14, judge to vaporize combustion gas
If the flow signal of temperature, combustion gas reaches preset value, control attention device 13, which is sent out, opens vehicle warning；When receiving engine 14
Tach signal, combustion gas soil-shifting machine controller 7 send out instruction, and control normally closed relay 6 disconnects, to electric heater 2 and electric water
Pump 5 is stopped.Electric water pump 5 in present embodiment is automatically controlled by normally closed relay 6, specifically, the combustion gas
Bull-dozer power switch 8 powers on, and water cycling circuit is connected, and electric water pump 5 is started to work, and after engine start, combustion gas pushes away
After native machine controller 7 detects engine rotational speed signal, instruction is sent out, normally closed relay 6 is made to disconnect, electric water pump 5 stops automatically
Only work.
Wherein, 3 spiral of circulating water pipe is wrapped in the vaporizer 4 so that heated water and vapour in circulating water pipe 3
Change device 4 to exchange heat, the combustion gas in vaporizer 4 is heated, guarantee subsequently normally opens vehicle.
The specific work process of water circulation system in present embodiment is：It needs to start vehicle in cold snap
Before, the power switch 8 of combustion gas bull-dozer is opened first, electric heater 2 and electric water pump 5 are started to work at this time, electric heater 2
Water in water tank 1 is heated, the water in water tank 1 circulates under the action of electric water pump 5 in circulating water pipe 3, warp
When overflash device 4, vaporizer 4 is heated so that the liquefied natural gas inside vaporizer 4 is vaporized；Work as fuel gas temperature
Detection device 10, combustion gas tolerance detection device 11 detect that the temperature of the vaporization combustion gas in vaporizer 4 and flow reach preset value
When, the signal of the temperature of corresponding vaporization combustion gas and flow is transmitted to combustion gas soil-shifting machine controller 7 by gas engine ECU9, is fired
Gas soil-shifting machine controller 7 controls attention device 13 connected to it and sends out warning, and driver is prompted to open vehicle, after engine start, hair
Motivation speed detector 12 detects the velocity of rotation signal of engine 14, passes through gas engine ECU9 turning engine
Dynamic speed signal is transmitted to combustion gas soil-shifting machine controller 7, after combustion gas soil-shifting machine controller 7 judges that engine 14 has been started up, control
Normally closed relay 6 processed disconnects, and circuitry cuts electric water pump 5 is stopped, while the disconnection of relay 6 causes electric heater 2 disconnected
Electricity, water circulation system no longer work.
Present embodiment also protects a kind of combustion gas bull-dozer, including above-mentioned combustion gas bull-dozer water circulating-heating system
System.
Applicant states that the above embodiment of the present invention is merely to clearly illustrate examples made by the present invention, and be not
It is the restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description
It can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
All any modification, equivalent and improvement made by within the spirit and principles in the present invention etc. should be included in right of the present invention
It is required that protection domain within.
Claims (4)
1. a kind of combustion gas bull-dozer water-cycle heating, which is characterized in that including the electrical heating in water tank (1) and water tank (1)
The inlet and outlet of device (2), the water tank (1) are connected to by circulating water pipe (3), and the circulating water pipe (3) flows through vaporization
Device (4) is provided with water pump on the circulating water pipe (3)；
Further include normally closed relay (6) and combustion gas soil-shifting machine controller (7), the normally closed relay (6) is set to the electrical heating
It between device (2) and the power switch (8) of combustion gas bull-dozer, and is connect with water pump, for controlling electric heater (2) and water pump
Power on/off；The combustion gas soil-shifting machine controller (7) connect with the normally closed relay (6), for controlling the normally closed relay
(6) disconnection；
Further include (9) gas engine ECU, the gas engine ECU (9) is connected with fuel gas temperature detection device (10), combustion
Gas tolerance detection device (11) and engine speed detection device (12), the fuel gas temperature detection device (10), combustion gas gas
Amount detecting device (11) is set in vaporizer (4), and the temperature for the vaporization combustion gas being respectively used in detection vaporizer (4) and vaporization are fired
The flow of gas, and the flow signal of the temperature signal of the vaporization combustion gas detected and vaporization combustion gas is sent to combustion gas respectively and is started
Machine ECU (9), the engine speed detection device (12) are set in engine (14), the rotation for detecting engine (14)
Speed, and the velocity of rotation signal of the engine detected (14) is sent to gas engine ECU (9)；
The gas engine ECU (9) is used to receive and transmits the vaporization combustion gas to the combustion gas soil-shifting machine controller (7)
The signal of temperature, the velocity of rotation of the flow for vaporizing combustion gas and engine (14)；
The combustion gas soil-shifting machine controller (7) connect with gas engine ECU (9), attention device (13), starts for receiving combustion gas
The temperature of the vaporization combustion gas of machine ECU (9) transmission, the signal for vaporizing the flow of combustion gas and the velocity of rotation of engine, judge to vaporize
The flow signal of the temperature and vaporization combustion gas of combustion gas, if reaching preset value, control attention device (13), which is sent out, opens vehicle warning；When connecing
The tach signal of engine (14) is received, the combustion gas soil-shifting machine controller (7) sends out instruction, controls the normally closed relay
(6) it disconnects, to which electric heater (2) and water pump are stopped.
2. combustion gas bull-dozer water-cycle heating according to claim 1, which is characterized in that the circulating water pipe (3)
Spiral is wrapped on the vaporizer (4).
3. combustion gas bull-dozer water-cycle heating according to claim 1, which is characterized in that the water pump is electric water
It pumps (5).
4. a kind of combustion gas bull-dozer, which is characterized in that including the combustion gas bull-dozer water cycle described in claim 1-3 any one
Heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134743.7A CN105736194B (en) | 2016-03-10 | 2016-03-10 | A kind of combustion gas bull-dozer water-cycle heating and combustion gas bull-dozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610134743.7A CN105736194B (en) | 2016-03-10 | 2016-03-10 | A kind of combustion gas bull-dozer water-cycle heating and combustion gas bull-dozer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736194A CN105736194A (en) | 2016-07-06 |
| CN105736194B true CN105736194B (en) | 2018-08-31 |
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| CN201610134743.7A Active CN105736194B (en) | 2016-03-10 | 2016-03-10 | A kind of combustion gas bull-dozer water-cycle heating and combustion gas bull-dozer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4003356A (en) * | 1975-03-12 | 1977-01-18 | Harry E. Naylor | Vaporized fuel system for internal combustion engines |
| US4748961A (en) * | 1985-01-12 | 1988-06-07 | Headley Ronald G A | Internal combustion engines |
| CN101509444A (en) * | 2008-05-06 | 2009-08-19 | 罗嘉文 | Vaporisation electric spraying diesel engine |
| CN201318232Y (en) * | 2008-12-19 | 2009-09-30 | 梁海印 | Engine fuel carburetor |
| KR20100111363A (en) * | 2009-04-07 | 2010-10-15 | 대우조선해양 주식회사 | Apparatus and method for supplying gas fuel to a megi 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 |
| CN205422984U (en) * | 2016-02-29 | 2016-08-03 | 山推工程机械股份有限公司 | Take pre -heating device's gas bull -dozer vaporizer water circulating system |
-
2016
- 2016-03-10 CN CN201610134743.7A patent/CN105736194B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4003356A (en) * | 1975-03-12 | 1977-01-18 | Harry E. Naylor | Vaporized fuel system for internal combustion engines |
| US4748961A (en) * | 1985-01-12 | 1988-06-07 | Headley Ronald G A | Internal combustion engines |
| CN101509444A (en) * | 2008-05-06 | 2009-08-19 | 罗嘉文 | Vaporisation electric spraying diesel engine |
| CN201318232Y (en) * | 2008-12-19 | 2009-09-30 | 梁海印 | Engine fuel carburetor |
| KR20100111363A (en) * | 2009-04-07 | 2010-10-15 | 대우조선해양 주식회사 | Apparatus and method for supplying gas fuel to a megi 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 |
| CN205422984U (en) * | 2016-02-29 | 2016-08-03 | 山推工程机械股份有限公司 | Take pre -heating device's gas bull -dozer vaporizer water circulating system |
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|---|---|
| CN105736194A (en) | 2016-07-06 |
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