CN203009095U - Liquefied natural gas power system - Google Patents
Liquefied natural gas power system Download PDFInfo
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- CN203009095U CN203009095U CN2013200036095U CN201320003609U CN203009095U CN 203009095 U CN203009095 U CN 203009095U CN 2013200036095 U CN2013200036095 U CN 2013200036095U CN 201320003609 U CN201320003609 U CN 201320003609U CN 203009095 U CN203009095 U CN 203009095U
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- heat exchanger
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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
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Abstract
The utility model relates to a liquefied natural gas power system, which comprises an engine, a voltage stabilizer, a filter, a second heat exchanger, a first heat exchanger and an LNG (Liquefied Natural Gas) cylinder, wherein the voltage stabilizer, the filter, the second heat exchanger, the first heat exchanger and the LNG (Liquefied Natural Gas) cylinder are connected with a combustion chamber of the engine in sequence; an air inter-cooling heat radiator and a water tank heat radiator are respectively arranged at both sides of the first heat exchanger; the output end of the air inter-cooling heat radiator is connected with an intake manifold and an electronic throttle valve of the engine; the water tank heat radiator is connected with a water-cooling outer circulating pipeline of the engine; and the second heat exchanger is connected with the water-cooling outer circulating pipeline of the engine. According to the liquefied natural gas power system, the structure of each component is reasonably arranged, and the cold energy generated when liquefied natural gas is gasified is utilized, so that the combustion efficiency and power of an engine power system are improved, the intake temperature of the engine is reduced, the rate of temperature drop of the water tank heat radiator is increased, the fan rotation time of the water tank heat radiator is reduced, and extra power consumption provided for radiating heat of the engine is reduced.
Description
Technical field
The utility model relates to a kind of LNG Liquefied natural gas (LNG) power system, particularly a kind of liquefied natural gas (LNG) power system.
Background technique
Along with the continuous enhancing of people's environmental consciousness, the paces that utilize of new energy are accelerated, and rock gas pollutes the Main Trends of The Development little, that characteristics that calorific value is high have become fuel.Rock gas has not only been saved the energy expenditure expenditure when substituting conventional diesel fuel, also reduced a large amount of CO2 emission.
With the rock gas process purified treatment of gas field production, more just formed LNG Liquefied natural gas (LNG) through the liquefaction of ultralow temperature (162 ℃) normal pressure.It is stored in the high pressure heat-preserving tank, and remain under the cryogenic conditions of 110K left and right, and the temperature of rock gas when entering motor generally will be at 10-40 ℃, therefore before entering engine combustion, it needs to heat, gasify, can discharge a large amount of cold energy this moment, and its refrigerating capacity is quite high, can reach 860-883kj/kg, if take full advantage of, can produce considerable benefit.
In prior art, in general LNG Liquefied natural gas LNG engine power system, motor is directly to burn after the mixing of suction air and rock gas from air again, and it is higher through the general temperature of air after turbosupercharger, oxygen content is less, may produce the inadequate situation of burning when combustion of natural gas.Therefore, the cold energy that discharges in the time of how can utilizing liquefied natural gas gasifying reduces the temperature after the supercharging of engine combustion required air, improve the oxygen content of air when entering motor, thereby making rock gas fully mixed combustion with it, improve combustion efficiency, is the technical barrier of related domain.
In addition, mostly use the cooling system of cooling liquid, water tank, fan-type due to present LNG motor, and in order to reduce energy consumption, substantially all be to use temperature-controlled fan (namely surpass the predetermined temperature fan and just begin to rotate, lower than the predetermined temperature stopping fan rotation) to come the temperature of Controlled cooling system.Cold energy when taking full advantage of the LNG gasification to the engine-cooling system cooling, reaches the purpose that reduces energy consumption, is also one of technical barrier of related domain.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of liquefied natural gas (LNG) power system, its cold energy that is suitable for utilizing LNG Liquefied natural gas to discharge when gasification improves the air quantity of sending into engine chamber, with the combustion efficiency of raising rock gas and the power of motor, and the high temperature of reduction LNG motor generation when normal operation, save the power output that motor is lowered the temperature because of drive fan, reach the purpose of energy-saving and emission-reduction.
For solving the problems of the technologies described above, the utility model provides a kind of liquefied natural gas (LNG) power system, and it comprises: motor, the voltage stabilizer, filter cleaner, the second heat exchanger, the first heat exchanger and the LNG gas cylinder that are connected successively with the firing chamber of motor; The both sides of described the first heat exchanger are respectively equipped with cold heat sink and radiator of water tank in air, in described air, the output terminal of cold heat sink is connected with intake manifold, the electronic throttle of motor, described radiator of water tank is connected with the water-cooled external circulation line of motor, and described the second heat exchanger is connected with the water-cooled external circulation line of motor.
Described the first heat exchanger comprises gasifying pipe, and described gasifying pipe is distributed with heat exchange fin outward.
In described air, cold heat sink is cold heat sink in the turbosupercharging air.
On pipeline on pipeline between described LNG gas cylinder and the first heat exchanger, between filter cleaner and voltage stabilizer, be equipped with solenoid valve on the water tank of motor and the pipeline between radiator of water tank, facilitate the driver to control.
During this power system work, LNG gas cylinder dispensing liquid rock gas, generating gasification when the first heat exchanger is then by the second heat exchanger heat exchange, then through the filter cleaner impurity screening, through the stable output of voltage stabilizer rock gas.When the first heat exchanger work, be located at that in the air of the first heat exchanger one side, cold heat sink absorbs the cold energy that liquified natural gas discharges, make the cooling contraction of air, and utilize turbosupercharging output, compared to uncooled air, airborne oxygen content through cooling same volume is more, therefore, when exporting cooling air to motor, rock gas can fully burn, thereby improved rate of combustion, improved engine power.
Due in the ordinary course of things, the output power loss of 3-5% is arranged on the radiation fan of cooling system during the high engine speeds running, the cold energy heat radiation that produces when utilizing liquefied natural gas gasifying, improved the detemperature rate of radiator of water tank, reduced the fan rotation time of radiator of water tank, reduce the excessive power drain that motor provides for heat radiation, and kept normal water temperature.
Therefore, on the other hand, the radiator of water tank of motor and the second heat exchanger consist of the water circulation heat-exchange system, and the temperature of motor is below 85-90 ℃ the time, and the hot water of motor only absorbs cold energy by the second heat exchanger and lowers the temperature; , dispel the heat by radiator of water tank more than 90 ℃ the time when engine temperature, the cold energy that this moment, the LNG gasification produced is at the first heat exchanger position cooled engine hot water.
Technique effect of the present utility model: structure and the position of each assembly of reasonable arrangement system of (1) liquefied natural gas (LNG) power described in the utility model system, during this system works, LNG gas cylinder dispensing liquid rock gas, generating gasification when the first heat exchanger, then by the second heat exchanger heat exchange, through the filter cleaner impurity screening, stablize the rock gas of output gaseous state for engine combustion through voltage stabilizer again.When the first heat exchanger work, be located at that in the air of the first heat exchanger one side, cold heat sink absorbs the cold energy that liquified natural gas discharges, make the cooling contraction of air, and utilize turbosupercharging output, compared to uncooled air, airborne oxygen content through cooling same volume is more, therefore, when exporting cooling air to motor, rock gas can fully burn, thereby improved rate of combustion, improved engine power; (2) on the other hand, the water tank of motor and the second heat exchanger consist of water circulation system, and engine temperature is below 90 ℃ the time, and the hot water of motor only absorbs cold energy by the second heat exchanger and lowers the temperature; When engine temperature more than 90 ℃ the time, by radiator of water tank and the first heat exchanger exchange heat radiation, generally, the power loss of 3-5% is arranged on radiation fan during the high engine speeds running, the cold energy that produces when therefore utilizing liquefied natural gas gasifying dispels the heat, and has improved the detemperature rate of radiator of water tank, has reduced the fan rotation time of radiator of water tank, reduce the excessive power drain that motor provides for heat radiation, and kept normal water temperature.
Description of drawings
For the utility model can more clearly be understood by the people, below in conjunction with specific embodiments and the drawings, the utility model is described in further detail:
Fig. 1 is the structural representation of liquefied natural gas (LNG) power described in the utility model system;
Fig. 2 is the structural representation of the gasifying pipe in the first heat exchanger and the second heat exchanger;
Fig. 3 is the M-M sectional view of Fig. 2.
Embodiment
As Fig. 1-3, the liquefied natural gas (LNG) power system of the present embodiment comprises: motor 1, the voltage stabilizer 5, filter cleaner 4, the second heat exchanger 3, the first heat exchanger 2 and the LNG gas cylinder 6 that are connected successively with the firing chamber of motor 1; The both sides of described the first heat exchanger 2 are respectively equipped with cold heat sink 7 and radiator of water tank 8 in air, in described air, the output terminal of cold heat sink 7 is connected with intake manifold, the electron gas section door of motor 1, described radiator of water tank 8 is connected with the water-cooled external circulation line of motor 1, and described the second heat exchanger 3 is connected with the water-cooled external circulation line of motor 1.
Described the first heat exchanger 2 comprises gasifying pipe 2-1, and described gasifying pipe 2-1 is distributed with heat exchange fin 2-2 outward.
In described air, cold heat sink 7 is cold heat sink in the turbosupercharging air.
On pipeline on pipeline between described LNG gas cylinder 6 and the first heat exchanger 2, between filter cleaner 4 and voltage stabilizer 5, be equipped with solenoid valve on the water tank of motor 1 and the pipeline between radiator of water tank 8, facilitate the driver to control.
During this power system work, LNG gas cylinder 6 dispensing liquid rock gases, generating gasification when the first heat exchanger 2 is then by the second heat exchanger 3 heat exchange, then through filter cleaner 4 impurity screenings, through the stable output rock gas of voltage stabilizer 5.When the first heat exchanger 2 work, be located at that in the air of the first heat exchanger 2 one sides, cold heat sink 7 absorbs the cold energy that liquified natural gass discharge, make the cooling contraction of air, and utilize turbosupercharging output, compared to uncooled air, airborne oxygen content through cooling same volume is more, therefore, when exporting cooling air to motor, rock gas can fully burn, thereby improved rate of combustion, improved engine power.
Due in the ordinary course of things, the output power loss of 3-5% is arranged on the radiation fan of cooling system during the high engine speeds running, the cold energy heat radiation that produces when utilizing liquefied natural gas gasifying, improved the detemperature rate of radiator of water tank, reduced the fan rotation time of radiator of water tank, reduce the excessive power drain that motor provides for heat radiation, and kept normal water temperature.
Therefore, on the other hand, the radiator of water tank of motor 1 and the second heat exchanger 3 consist of the water circulation heat-exchange systems, and the temperature of motor 1 is below 90 ℃ the time, and the hot water of motor 1 only absorbs cold energy by the second heat exchanger 3 and lowers the temperature; More than 90 ℃ the time, by radiator of water tank 8 heat radiations, the cold energy that this moment, the LNG gasification produced is at the first heat exchanger 2 position cooled engine hot water when motor 1 temperature.
Obviously, above-described embodiment is only for the utility model example clearly is described, and is not to be restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among protection domain of the present utility model.
Claims (4)
1. liquefied natural gas (LNG) power system comprises: motor, the voltage stabilizer, filter cleaner, the second heat exchanger, the first heat exchanger and the LNG gas cylinder that are connected successively with the firing chamber of motor; It is characterized in that: the both sides of described the first heat exchanger are respectively equipped with cold heat sink and radiator of water tank in air, in described air, the output terminal of cold heat sink is connected with intake manifold, the electronic throttle of motor, described radiator of water tank is connected with the water-cooled external circulation line of motor, and described the second heat exchanger is connected with the water-cooled external circulation line of motor.
2. liquefied natural gas (LNG) power as claimed in claim 1 system, it is characterized in that: described the first heat exchanger comprises gasifying pipe, and described gasifying pipe is distributed with heat exchange fin outward.
3. liquefied natural gas (LNG) power as claimed in claim 1 system, it is characterized in that: in described air, cold heat sink is cold heat sink in the turbosupercharging air.
4. as described in one of claim 1-3 liquefied natural gas (LNG) power system is characterized in that: on the pipeline on the pipeline between described LNG gas cylinder and the first heat exchanger, between filter cleaner and voltage stabilizer, be equipped with solenoid valve on the water tank of motor and the pipeline between radiator of water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200036095U CN203009095U (en) | 2013-01-04 | 2013-01-04 | Liquefied natural gas power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200036095U CN203009095U (en) | 2013-01-04 | 2013-01-04 | Liquefied natural gas power system |
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| Publication Number | Publication Date |
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| CN203009095U true CN203009095U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200036095U Expired - Fee Related CN203009095U (en) | 2013-01-04 | 2013-01-04 | Liquefied natural gas power system |
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| CN (1) | CN203009095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735387A (en) * | 2014-12-10 | 2016-07-06 | 天津建筑机械厂 | Auxiliary cooling device of dual-fuel bulldozer |
| 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 |
| CN106285897A (en) * | 2016-10-08 | 2017-01-04 | 河南柴油机重工有限责任公司 | A kind of V-type gas power compression all-in-one radiator |
-
2013
- 2013-01-04 CN CN2013200036095U patent/CN203009095U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735387A (en) * | 2014-12-10 | 2016-07-06 | 天津建筑机械厂 | Auxiliary cooling device of dual-fuel bulldozer |
| 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 |
| CN106285897A (en) * | 2016-10-08 | 2017-01-04 | 河南柴油机重工有限责任公司 | A kind of V-type gas power compression all-in-one radiator |
| CN106285897B (en) * | 2016-10-08 | 2018-11-13 | 河南柴油机重工有限责任公司 | A kind of V-type gas power compression all-in-one machine radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUNNAN GUORONG DIANZHONG NEW ENERGY DEVELOPMENT CO Free format text: FORMER OWNER: YUNNAN SHIYUCHUAN MINING INDUSTRY CO., LTD. Effective date: 20150225 Owner name: YUNNAN SHIYUCHUAN MINING INDUSTRY CO., LTD. Free format text: FORMER OWNER: QIAO SEN Effective date: 20150225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 650051 KUNMING, YUNNAN PROVINCE TO: 650300 KUNMING, YUNNAN PROVINCE Free format text: CORRECT: ADDRESS; FROM: 213000 CHANGZHOU, JIANGSU PROVINCE TO: 650051 KUNMING, YUNNAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150225 Address after: 650300, Yunnan province Kunming Anning Industrial Park small and medium-sized enterprise science and technology incubator No. 12 factory building on the East Side Office Building Patentee after: Yunnan Guorong Yunnan New Energy Development Co.,Ltd. Address before: 650051, Kunming, Yunnan Province Dongfeng Road, Panlong District, Dongfeng Road, No. 1, building A Patentee before: Yunnan Stone Mining Co.,Ltd. Effective date of registration: 20150225 Address after: 650051, Kunming, Yunnan Province Dongfeng Road, Panlong District, Dongfeng Road, No. 1, building A Patentee after: Yunnan Stone Mining Co.,Ltd. Address before: 213000, No. 29, cocoon lane, Hutang Town, Wujin District, Jiangsu, Changzhou Patentee before: Qiao Sen |
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| ASS | Succession or assignment of patent right |
Owner name: QIAO SEN Free format text: FORMER OWNER: YUNNAN GUORONG DIANZHONG NEW ENERGY DEVELOPMENT CO., LTD. Effective date: 20150805 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150805 Address after: 213100, No. 29, cocoon lane, Hutang Town, Wujin District, Jiangsu, Changzhou Patentee after: Qiao Sen Address before: 650300, Yunnan province Kunming Anning Industrial Park small and medium-sized enterprise science and technology incubator No. 12 factory building on the East Side Office Building Patentee before: Yunnan Guorong Yunnan New Energy Development Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20160104 |