CN204572247U - A kind of bulldozer liquefied natural gas supplying system and bulldozer - Google Patents

A kind of bulldozer liquefied natural gas supplying system and bulldozer Download PDF

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Publication number
CN204572247U
CN204572247U CN201520243110.0U CN201520243110U CN204572247U CN 204572247 U CN204572247 U CN 204572247U CN 201520243110 U CN201520243110 U CN 201520243110U CN 204572247 U CN204572247 U CN 204572247U
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CN
China
Prior art keywords
bulldozer
natural gas
liquefied natural
supplying system
gas supplying
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Expired - Fee Related
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CN201520243110.0U
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Chinese (zh)
Inventor
李卫荣
李殿和
黄亚军
刘营
薛叶叶
盛东升
闫彬
徐传鹤
宗光涛
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Shantui Chutian Construction Machinery Co Ltd
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Shantui Chutian Construction Machinery Co Ltd
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Priority to CN201520243110.0U priority Critical patent/CN204572247U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The utility model discloses a kind of bulldozer liquefied natural gas supplying system, relate to liquefied natural gas supplying system regions.This bulldozer comprises the gas cylinder, the vaporizer and for providing the knock out drum of LNG Liquefied natural gas for the motor of described bulldozer that are connected successively by fuel tube by liquefied natural gas supplying system, be connected with stable-pressure device between described vaporizer and described knock out drum.Also disclose a kind of bulldozer comprising bulldozer liquefied natural gas supplying system as above.The bulldozer liquefied natural gas supplying energy saving of system environmental protection of the application, user cost is low, and economic performance is high, greatly can alleviate parts depreciation, extends the working life of bulldozer engine.

Description

A kind of bulldozer liquefied natural gas supplying system and bulldozer
Technical field
The utility model relates to liquefied natural gas supplying device field, particularly relates to a kind of bulldozer liquefied natural gas supplying system.
Background technique
LNG Liquefied natural gas main component is methane, and being recognized is the energy the cleanest on the earth.Colourless, tasteless, nontoxic and non-corrosiveness.It is cooled to-162 DEG C of liquefaction by the rock gas of gaseous state under normal pressure, has that calorific value is large, performance high.In recent years, LNG Liquefied natural gas is classified as preferred fuels by many countries, and with annual about 12% rapid growth, become the whole world and increase one of the swiftest and the most violent energy industry.
Haze administer and energy-conserving and environment-protective concept promotion under, China is as the maximum Construction Machinery Market in the whole world, and excavator, loader, concreting machinery etc. are produced giant and also entered " green epoch ".
What tradition bulldozer power system used is all oil-fired systems, seriously polluted to environment, and user cost is high, and service life of aeroengine is short.
Based on the above, need a kind of new bulldozer liquefied natural gas supplying system badly, with solve that existing bulldozer exists because its power system used is for oil-fired system, user cost is high, seriously polluted to environment, the problems such as service life of aeroengine is shorter.
Model utility content
One of the purpose of this utility model proposes a kind of bulldozer liquefied natural gas supplying system, the liquefied natural gas supplying energy saving of system environmental protection of this bulldozer, user cost is low, and economic performance is high, greatly can alleviate parts depreciation, extend the working life of bulldozer engine.
Two of the purpose of this utility model proposes a kind of bulldozer liquefied natural gas supplying system, and this bulldozer liquefied natural gas supplying system connection and reasonable arrangement on car load, protection puts in place, can provide stable rock gas.
Three of the purpose of this utility model proposes a kind of bulldozer comprising above arbitrary described bulldozer liquefied natural gas supplying system, these bulldozer energy-conserving and environment-protective, user cost is low, and economic performance is high, greatly can alleviate parts depreciation, extend the working life of bulldozer engine; Possess good protective measures, stable rock gas can be provided.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of bulldozer liquefied natural gas supplying system, described air supply system comprises the gas cylinder, the vaporizer and for providing the knock out drum of LNG Liquefied natural gas for the motor of described bulldozer that are connected successively by fuel tube, is connected with stable-pressure device between described vaporizer and described knock out drum.
As a kind of preferred version, described stable-pressure device is pressure maintaining valve.
As a kind of preferred version, described gas cylinder adopts 4 damping modes to be arranged on the wing plate of described bulldozer by detachable gas support.
As a kind of preferred version, the rear of described gas cylinder is provided with protective equipment.
As a kind of preferred version, described protective equipment adopts stainless steel or aluminum alloy material to make.
As a kind of preferred version, the fuel tube connecting described gas cylinder and described vaporizer is provided with heating apparatus, and the LNG Liquefied natural gas for liquid towards is heated.
As a kind of preferred version, described gas cylinder is equiped with level meter, be connected with liquid entering hole rush joint, be connected to manometric safety valve, atmospheric valve, stop valve and flow-stop valve.
The utility model additionally provides a kind of bulldozer, comprises motor, and also comprise the bulldozer liquefied natural gas supplying system as described in above any one, described motor is connected with described knock out drum by fuel tube.
The beneficial effects of the utility model are:
(1) power system that the bulldozer of the application uses is gas burning system, replaces existing oil-fired system, from energy-conserving and environment-protective aspect, uses LNG Liquefied natural gas, decreases the discharge of the harmful gas of more than 90%, reduce the pollution to environment;
From user cost aspect, the price of LNG Liquefied natural gas compares gasoline and diesel oil is lower, greatly can reduce user cost, improves economic performance;
From service life of aeroengine aspect, the purity of LNG Liquefied natural gas is high, sufficient combustion, can not produce carbon deposition phenomenon, effectively alleviates the wearing and tearing of part, and then extends the working life of motor.
(2) gas cylinder adopts 4 damping modes to be arranged on the wing plate of bulldozer by detachable gas support, and the rear of gas cylinder is provided with protective equipment, and this air supply system is reasonable at arrangement, and protection puts in place, can provide stable rock gas.
(3) present invention also provides a kind of bulldozer comprising above arbitrary described bulldozer liquefied natural gas supplying system, these bulldozer energy-conserving and environment-protective, user cost is low, and economic performance is high, greatly can alleviate parts depreciation, extend the working life of bulldozer engine; Possess good protective measures, stable rock gas can be provided.
Accompanying drawing explanation
Fig. 1 is the linkage structure schematic diagram of the bulldozer liquefied natural gas supplying system that the utility model preferred embodiment provides;
Fig. 2 is the structural representation of the bulldozer liquefied natural gas supplying system that the utility model preferred embodiment provides.
In figure:
1, gas cylinder; 2, vaporizer; 3, pressure maintaining valve; 4, knock out drum; 5, motor; 6, wing plate; 7, protective equipment.
Embodiment
The technical problem solved for making the utility model, the technological scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technological scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Preferred embodiment
Present embodiments provide a kind of bulldozer liquefied natural gas supplying system, its structure as depicted in figs. 1 and 2, this bulldozer comprises the gas cylinder 1, the vaporizer 2 and for providing the knock out drum 4 of LNG Liquefied natural gas for the motor 5 of described bulldozer that are connected successively by fuel tube by liquefied natural gas supplying system, be connected with stable-pressure device between vaporizer 2 and knock out drum 4.Described stable-pressure device is preferably pressure maintaining valve 3.
In the present embodiment, preferably, concrete, gas cylinder 1 is connected with vaporizer 2 by fuel tube, and vaporizer 2 is connected with pressure maintaining valve 3 by fuel tube, and pressure maintaining valve 3 is connected with knock out drum 4 by fuel tube, and knock out drum 4 is connected with motor 5 by fuel tube.
In the present embodiment, preferably, as shown in Figure 2, gas cylinder 1 adopts 4 damping modes to be arranged on the wing plate 6 of described bulldozer by detachable gas support.In order to improve the Security that gas cylinder 1 uses, the rear of gas cylinder 1 is provided with protective equipment 7, effectively can protect the gas cylinder 1 when car load works and not be damaged and impact.This air supply system is reasonable at arrangement, and protection puts in place, can provide stable rock gas, improve safe handling.
In the present embodiment, preferably, protective equipment 7 adopts stainless steel or aluminum alloy material to make, and be not limited to above-mentioned material, the material that can also can provide sufficient intensity for other, also can not use metallic material, as composite plastics materials such as certain thickness glass fibre reinforced plastics.
In the present embodiment, preferably, connection gas cylinder 1 and the fuel tube of vaporizer 2 are provided with heating apparatus (not shown), and the LNG Liquefied natural gas for liquid towards is heated.Heating apparatus can adopt cycle of engine hot water to carry out heat exchange to the LNG Liquefied natural gas in pipeline.
Preferably, gas cylinder 1 is equiped with level meter, be connected with liquid entering hole rush joint, be connected to manometric safety valve, atmospheric valve, stop valve and flow-stop valve (not shown).
The working procedure of the bulldozer liquefied natural gas supplying system of the application is specific as follows:
When driver prepares the motor 5 starting bulldozer, first will be filled with the fluid valve open of the gas cylinder 1 of LNG Liquefied natural gas, the liquified natural gas in gas cylinder 1 then enters vaporizer 2 by fuel tube, and gasification is gas in vaporizer 2; When the pressure produced by gaseous natural gas in vaporizer 2 reaches the force value that pressure maintaining valve 3 sets, rock gas then can be entered in knock out drum 4 by pressure maintaining valve 3 to wait for the startup of motor 5; When driver opens ignition key switch, ato unit 5, the gaseous natural gas in knock out drum 4 then can enter in natural gas engine 5 with air mixed combustion.
In addition, due to natural gas engine ignition mode adopt Spark ignition type, with diesel engine compression-ignited compared with, slightly poor on dynamic response.In order to solve above deficiency, when developing this loading bulldozer, the motor that reduction of speed can be adopted to increase turn round and Large Copacity torque-converters are to improve the dynamic response of complete machine.
The power system that the bulldozer of the application uses is gas burning system, replaces existing oil-fired system, from energy-conserving and environment-protective aspect, uses LNG Liquefied natural gas, decreases the discharge of the harmful gas of more than 90%, reduce the pollution to environment; From user cost aspect, the price of LNG Liquefied natural gas compares gasoline and diesel oil is lower, greatly reduces user cost, improves economic performance; From service life of aeroengine aspect, the purity of LNG Liquefied natural gas is high, sufficient combustion, can not produce carbon deposition phenomenon, effectively alleviates the wearing and tearing of part, and then extends the working life of motor.
Present invention also provides a kind of bulldozer, comprise motor 5, also comprise the bulldozer liquefied natural gas supplying system as described in above any one, described motor 5 is connected with described knock out drum 4 by fuel tube.These bulldozer energy-conserving and environment-protective, user cost is low, and economic performance is high, greatly can alleviate parts depreciation, extends the working life of bulldozer engine; Good protective measures can be possessed, stable rock gas is provided.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection domain of the present utility model.

Claims (8)

1. a bulldozer liquefied natural gas supplying system, it is characterized in that: described air supply system comprises the gas cylinder (1), the vaporizer (2) and for providing the knock out drum (4) of LNG Liquefied natural gas for the motor (5) of described bulldozer that are connected successively by fuel tube, is connected with stable-pressure device between described vaporizer (2) and described knock out drum (4).
2. bulldozer liquefied natural gas supplying system according to claim 1, is characterized in that: described stable-pressure device is pressure maintaining valve (3).
3. bulldozer liquefied natural gas supplying system according to claim 1, is characterized in that: described gas cylinder (1) adopts 4 damping modes to be arranged on the wing plate of described bulldozer (6) by detachable gas support.
4. the liquefied natural gas supplying system of the bulldozer according to any one of claim 1-3, is characterized in that: the rear of described gas cylinder (1) is provided with protective equipment (7).
5. bulldozer liquefied natural gas supplying system according to claim 4, is characterized in that: described protective equipment (7) adopts stainless steel or aluminum alloy material to make.
6. bulldozer liquefied natural gas supplying system according to claim 1, it is characterized in that: the fuel tube connecting described gas cylinder (1) and described vaporizer (2) is provided with heating apparatus, and the LNG Liquefied natural gas for liquid towards is heated.
7. bulldozer liquefied natural gas supplying system according to claim 1, is characterized in that: described gas cylinder (1) is equiped with level meter, be connected with liquid entering hole rush joint, be connected to manometric safety valve, atmospheric valve, stop valve and flow-stop valve.
8. a bulldozer, comprise motor (5), it is characterized in that: also comprise the bulldozer liquefied natural gas supplying system as described in any one of claim 1 to 7, described motor (5) is connected with described knock out drum (4) by fuel tube.
CN201520243110.0U 2015-04-21 2015-04-21 A kind of bulldozer liquefied natural gas supplying system and bulldozer Expired - Fee Related CN204572247U (en)

Priority Applications (1)

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CN201520243110.0U CN204572247U (en) 2015-04-21 2015-04-21 A kind of bulldozer liquefied natural gas supplying system and bulldozer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520243110.0U CN204572247U (en) 2015-04-21 2015-04-21 A kind of bulldozer liquefied natural gas supplying system and bulldozer

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CN204572247U true CN204572247U (en) 2015-08-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016169134A1 (en) * 2015-04-21 2016-10-27 山推工程机械股份有限公司 Bulldozer having lng gas supply system
CN112302793A (en) * 2020-10-29 2021-02-02 潍柴动力股份有限公司 Stop valve closing detection method, stop valve closing detection device, electronic control unit, and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016169134A1 (en) * 2015-04-21 2016-10-27 山推工程机械股份有限公司 Bulldozer having lng gas supply system
CN112302793A (en) * 2020-10-29 2021-02-02 潍柴动力股份有限公司 Stop valve closing detection method, stop valve closing detection device, electronic control unit, and storage medium

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150819

CF01 Termination of patent right due to non-payment of annual fee