CN1180179C - Fuel gas mixing method for engine - Google Patents

Fuel gas mixing method for engine Download PDF

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Publication number
CN1180179C
CN1180179C CNB021134952A CN02113495A CN1180179C CN 1180179 C CN1180179 C CN 1180179C CN B021134952 A CNB021134952 A CN B021134952A CN 02113495 A CN02113495 A CN 02113495A CN 1180179 C CN1180179 C CN 1180179C
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CN
China
Prior art keywords
gas
fuel gas
mixed
lining
combustion gas
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Expired - Fee Related
Application number
CNB021134952A
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Chinese (zh)
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CN1370918A (en
Inventor
苗建中
鲍荣
崔莉
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Richearth Red China Power (Wuhan) limited liability company
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HONGHUA SCIENCE & TECHNOLOGY DEVELOPMENT Co Ltd GUIZHOU
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Priority to CNB021134952A priority Critical patent/CN1180179C/en
Publication of CN1370918A publication Critical patent/CN1370918A/en
Application granted granted Critical
Publication of CN1180179C publication Critical patent/CN1180179C/en
Anticipated expiration legal-status Critical
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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 present invention discloses a fuel gas mixing method for an engine. The present invention comprises that a high-pressure gas cylinder and a fuel gas pressure reducing device are used for feeding fuel gas to the engine; the pressure of the fuel gas transported form the duel gas pressure reducing device to a fuel gas inlet passage arranged on a mixed gas device is from 0.2 to 0.8MPa; after the fuel gas with certain pressure is dispersed into small strands of the fuel gas, the fuel gas are fed into a mixed fuel gas flue of the mixed gas device for that the fuel gas is mixed with the air. The present invention makes the fuel gas easily form a turbulent mixing condition when the fuel gas is mixed with the air; the turbulent mixing condition is suitable for the thorough mix of the fuel gas and the air, so the present invention can be used for reducing the fuel consumption of the engine and the waste gas emission of the engine.

Description

The device of motor combination gas
Technical field:
The present invention relates to a kind of being used for is the motor of fuel or is the device of motor combination gas of the duel fuel engine of fuel with fuel oil and combustion gas with liquefied petroleum gas (LPG) or combustion gas, belongs to fuel gas engine gas hybrid technology field.
Background technique:
At present, supplying with in the combination gas of existing fuel gas motor generally all is that adopt will be from the high-pressure natural gas of gas cylinder through being reduced to zero with the pressure of its compressed natural gas behind the decompressor, and then with its be transported to after for the combustion gas of zero pressure in the combination gas air feed channel of mixed gas device by a measuring control valve with air mixing after, by the negative pressure that motor produced combination gas is drawn in the motor again, the method that sucks by negative pressure after the zero pressure combustion gas is reduced to gaseous-pressure in this employing, its shortcoming is: combustion gas generally all forms the laminar flow admixture easily with Air mixing in the combination gas air feed channel of mixed gas device, and this laminar flow admixture is difficult to make combustion gas fully to mix with air, the fuel gas of this undercompounding makes motor generation burning insufficient easily, power reduces, fuel consumption is big, problems such as toxic emission is undesirable, therefore existing combustion gas mixing method still is not ideal enough.
Summary of the invention:
The objective of the invention is: a kind of device that can make combustion gas and air mixing get motor combination gas more fully is provided, thereby fuel can be burnt more fully, the purpose of reduce motor fuel consumption to reach, improving toxic emission in motor.
The present invention is achieved in that it comprises that employing gas cylinder and gas pressure reducingequipment supply combustion gas to motor, the gaseous-pressure that is transported to the combustion gas gas-entered passageway that is located on the mixed gas device from gas pressure reducingequipment is 0.2～0.8MPa, and this combustion gas with certain pressure is dispersed in the combination gas air feed channel that just enters the mixed gas device after the thin burst combustion gas and air mixing, in the combination gas air feed channel of mixed gas device, be provided with annular groove, and be provided with the mixed gas lining at the annular groove place, on the mixed gas lining, be evenly distributed with aperture, fuel tube is installed in lining, the one end mouth of pipe of fuel tube is located at the outer surface of lining, its the other end mouth of pipe is sealing, on fuel tube, be distributed with the aperture of giving vent to anger, after combustion gas with 0.2～0.8MPa enters the combustion gas gas-entered passageway, again by behind the valve that is installed in the quantitative solenoid valve on the mixed gas device from outlet passageway through blast tube to annular groove, form thin burst of combustion gas from groove by aperture on the lining and the aperture of giving vent to anger by fuel tube then and enter into combination gas air feed channel and air mixing.
The combined shaped that is installed in the fuel tube in the lining is in-line or cross or Mi Zixing.
Owing to adopted technique scheme, the present invention compares with the method for existing combination gas, the present invention makes the combustion gas with 0.2～0.8MPa form disperse to be injected in the combination gas air feed channel after the thin burst of combustion gas of shape to mix with air, this have certain pressure and disperseed to form the combustion gas of thread with air mixing the time, form the turbulent mixture state easily, fully mix with air and the admixture of this turbulent flow more helps combustion gas, so the present invention has and can make combustion gas and air mixing get advantage more fully.This combustion gas and Air mixing fuel after fully mixed more can burn in motor fully, thereby adopts the present invention can reduce the fuel consumption of motor and the toxic emission of minimizing motor.
Description of drawings:
Accompanying drawing 1 is for using the present invention's schematic representation in use;
Accompanying drawing 2 is a mixed gas device schematic representation of the present invention;
Accompanying drawing 3 is the A-A cross-sectional schematic of accompanying drawing 2.
Embodiment
Embodiments of the invention: adopt gas cylinder (2) and gas pressure reducingequipment (3) in existing gas engine (1) and its gas supply system to supply combustion gas to motor (1), but will adjust to 0.2～0.8MPa from the gaseous-pressure that gas pressure reducingequipment (3) are transported to the combustion gas gas-entered passageway (5) that is located on the mixed gas device (4), and this combustion gas with certain pressure is dispersed in the combination gas air feed channel (6) that just enters mixed gas device (4) after the thin burst of combustion gas and air mixing; In order to make combustion gas can be dispersed into thin burst of combustion gas, can in the combination gas air feed channel (6) of mixed gas device (4), produce an annular groove (7), and locate to install a mixed gas lining (8) at annular groove (7), and on mixed gas lining (8), process some apertures (9) by even distribution, and fuel tube (10) is gone up in fixed installation in lining (8), make the end mouth of pipe of fuel tube (10) be located at the outer surface of lining (8), make its other end mouth of pipe be sealing, and on fuel tube (10), process several apertures of giving vent to anger (11), when being installed in fuel tube (10) in the lining (8), it can be combined into the shape of in-line or cross or Mi Zixing, generally speaking fuel tube (10) being combined into criss-cross shape gets final product, in mixed gas device (4), process outlet passageway (12), blast tube (13), blast tube (13) is communicated with outlet passageway (12) with groove (7), and between combustion gas gas-entered passageway (5) and outlet passageway (12), installs the quantitative solenoid valve (14) that to control gas flow and get final product; Motor is when work, after the combustion gas with 0.2～0.8MPa of coming out from gas pressure reducingequipment (3) enters combustion gas gas-entered passageway (5), again by behind the valve that is located at the quantitative solenoid valve (9) on the mixed gas device (4) from outlet passageway (12) through blast tube (13) to annular groove (7), after forming thin burst combustion gas from groove (7) by aperture (9) on the lining (8) and the aperture of giving vent to anger (11) by fuel tube (10) then, just enter into combination gas air feed channel (6) and mix with air, mixed combination gas is sent to burning in the motor (1) by combination gas air feed channel (6).

Claims (2)

1, a kind of device of motor combination gas, it comprises adopts gas cylinder (2) and gas pressure reducingequipment (3) to supply combustion gas to motor (1), the gaseous-pressure that is transported to the combustion gas gas-entered passageway (5) that is located on the mixed gas device (4) from gas pressure reducingequipment (3) is 0.2～0.8MPa, combustion gas with certain pressure is dispersed in the combination gas air feed channel that just enters the mixed gas device after the thin burst of combustion gas and air mixing, it is characterized in that: in the combination gas air feed channel (6) of mixed gas device (4), be provided with annular groove (7), and locate to be provided with mixed gas lining (8) at annular groove (7), on mixed gas lining (8), be evenly distributed with aperture (9), fuel tube (10) is installed in lining (8), the one end mouth of pipe of fuel tube (10) is located at the outer surface of lining (8), its the other end mouth of pipe is sealing, on fuel tube (10), be distributed with the aperture of giving vent to anger (11), after combustion gas with 0.2～0.8MPa enters combustion gas gas-entered passageway (5), again by behind the valve that is installed in the quantitative solenoid valve (14) on the mixed gas device (4) from outlet passageway (12) through blast tube (13) to annular groove (7), form a thin burst combustion gas from groove (7) by aperture (9) on the lining (8) and the aperture of giving vent to anger (11) by fuel tube (10) then and enter into combination gas air feed channel (6) and air mixing.
2, the device of motor combination gas according to claim 1 is characterized in that: the combined shaped that is installed in the fuel tube (10) in the lining (8) is in-line or cross or Mi Zixing.
CNB021134952A 2002-03-21 2002-03-21 Fuel gas mixing method for engine Expired - Fee Related CN1180179C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB021134952A CN1180179C (en) 2002-03-21 2002-03-21 Fuel gas mixing method for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB021134952A CN1180179C (en) 2002-03-21 2002-03-21 Fuel gas mixing method for engine

Publications (2)

Publication Number Publication Date
CN1370918A CN1370918A (en) 2002-09-25
CN1180179C true CN1180179C (en) 2004-12-15

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CNB021134952A Expired - Fee Related CN1180179C (en) 2002-03-21 2002-03-21 Fuel gas mixing method for engine

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CN (1) CN1180179C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534149B (en) * 2014-12-11 2017-02-22 贵州红林机械有限公司 Control assembly for sanitary interceptor
CN105065143A (en) * 2015-08-10 2015-11-18 广西玉柴机器股份有限公司 Mixer
CN106401802A (en) * 2015-08-12 2017-02-15 上海海能汽车电子有限公司 Mixer with cross-shaped core
CN107165751A (en) * 2017-05-27 2017-09-15 东风商用车有限公司 A kind of integrated blender of multi-fluid
CN107131080B (en) * 2017-05-27 2019-05-10 东风商用车有限公司 A kind of multi-fluid mixer

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