CN103628973A - Air-air intercooling explosion-proof diesel engine - Google Patents
Air-air intercooling explosion-proof diesel engine Download PDFInfo
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- CN103628973A CN103628973A CN201310669110.2A CN201310669110A CN103628973A CN 103628973 A CN103628973 A CN 103628973A CN 201310669110 A CN201310669110 A CN 201310669110A CN 103628973 A CN103628973 A CN 103628973A
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention relates to an air-air intercooling explosion-proof diesel engine, which comprises an explosion-proof diesel-engine body, a gas inlet system and a gas-discharging system, wherein the gas-discharging system is provided with a waste-gas supercharging system, the waste-gas supercharging system comprises a water-cooling turbocharger compressor, and the compressed-air outlet end of the water-cooling turbocharger compressor is sequentially connected with a gas-inlet shut-off valve, an air-air intercooler, a gas-inlet flame arrester and a diesel-engine cover through gas-inlet pipes, wherein the gas-inlet shut-off valve is a brass heat-radiating valve, and a honeycomb-type metal air filter is installed in the gas-inlet pipe at the gas-inlet shut-off valve; the air-air intercooler is refrigerated by adopting a fan, the blowing direction of the fan is just opposite to the gas-inlet pipe, and a cold-water spraying device is installed on the top of the fan; a layer of heat-radiating silicone grease with high heat conductivity is packaged on the shell of the gas-inlet flame arrester. According to the air-air intercooling explosion-proof diesel engine, the diesel-engine power with the power of 130 to 150KW can be provided, so that the requirements of more than 10 tons of explosion-proof articulated vehicles are met; meanwhile, the discharging index of the air-air intercooling explosion-proof diesel engine is better than that of a single turbocharging-type diesel engine, and the requirement of environmental protection can be further met.
Description
Technical field
The present invention relates to Diesel Engine Technique Field, relate in particular to a kind of cold anti-explosion diesel engine in high-power mine vehicle air-air that is applied to.
Background technique
China's coal-mine trackless rubber tire transport trolley is mainly formed by following three kinds of diesel engines transformation with anti-explosion diesel engine by anti-explosion diesel engine and special purpose vehicle: Dongfanghong 6108 naturally aspirated Diesels, Perkins 6105 naturally aspirated Diesels, comings 6102 turbo-charged diesels.
Now colliery is for an urgent demand of large-tonnage transport vehicle, just need to production same volume size under more powerful anti-explosion diesel engine, the requirement of diesel engine certainty high-power, toxic emission also can be stricter.But the anti-explosion diesel engine of Dongfanghong 6105 and Perkins 6105 transformations can only reach in 80KW, and comings 6102 turbosuperchargings can only reach 110KW, can not meet the power requirement of 10 tons of above hoolivan.And no matter be natural aspiration diesel engine, or turbocharged type diesel emission index is all poor than absolutely empty middle cold mould diesel engine after supercharging, can not meet the requirement of environmental protection.
Therefore need to design and a kind ofly new can meet high-power requirement, meet the diesel engine of toxic emission requirement simultaneously.
Summary of the invention
Technical problem to be solved by this invention, can only reach in 110KW for existing anti-explosion diesel engine, can not meet the requirement of 10 tons of above explosion-proof articulators, the diesel engine of turbosupercharging simultaneously, the exhaust index technical problem such as absolutely empty middle cold mould diesel engine is poor after than supercharging, provide a kind of power at 130-150KW, and toxic emission index is better, more can meet the requirement of environmental protection air-air in cold anti-explosion diesel engine.
The technical solution adopted for the present invention to solve the technical problems is:
Cold anti-explosion diesel engine in air-air, include anti-explosion diesel engine body, gas handling system and vent systems, it is characterized in that: described vent systems is provided with waste gas pressurization system, and be provided with three grades of cooling systems, described waste gas pressurization system includes water-cooled pressurized machine and water-cooled supercharger air compressor, the outlet end of calming the anger of water-cooled supercharger air compressor connects air inlet shut-off valve successively by suction tude, air-air intercooler, air inlet flame trap, diesel engine cylinder cover, wherein said air inlet shut-off valve is brass heat radiation valve, in the suction tude at air inlet shut-off valve place, honeycomb metal airstrainer is installed, the formation first order is cooling, described air-air intercooler adopts fan refrigeration, and the blowing direction of fan, over against suction tude, is provided with cold water spray device at fan top, forms condensation water smoke and blow to suction tude under fan beating effect, forms the second level cooling, on the shell of described air inlet flame trap, be enclosed with one deck high thermal conductivity heat dissipating silicone grease, form the third level cooling.
In such scheme, described water-cooled pressurized machine includes turbine, volute, and its turbine is communicated with the water cooled exhaust manifold in vent systems, and the axle of turbine is coaxial with the wheel shaft of water-cooled supercharger air compressor.
In such scheme, described suction tude is divided into four sections, by air inlet shut-off valve, air-air intercooler, air inlet flame trap three, separates successively, is respectively suction tude I section, suction tude II section, suction tude III section, suction tude IV section.
In such scheme, the material that described suction tude is four sections is respectively: suction tude I section is that cast iron tube, suction tude II section are that galvanized pipe, suction tude III section are that aluminum pipe, suction tude IV section are copper pipe.
In such scheme, described air-air intercooler is also provided with radiating fin, and radiating fin is arranged on fan over against position, after being positioned at suction tude and spray equipment, the hot air after heat exchange can be lowered the temperature in time, lowers the operating temperature of fan.
The present invention in the situation that do not change the combustion structure of former diesel engine, adjust injection system, export larger power, need to strengthen fuel injection quantity and larger air mass flow, will certainly cause the increase of oil consumption, exhaust index deterioration.Therefore only take the exhaust gas turbocharge aerial refrigeration technique of line space of going forward side by side to address the above problem.The High Temperature High Pressure waste gas of diesel engine of the present invention enters water-cooled supercharger volute through water cooled exhaust manifold, high speed impact turbine rotates and drives coaxial water-cooled supercharger air compressor High Rotation Speed, constantly suck and compress fresh air, air after compression is cooling through three grades, the first order is dispelled the heat by brass radiating type air inlet shut-off valve and honeycomb metal airstrainer, the second level enters air-air intercooler, and high temperature compressed air has reduced temperature with cooling-air convection current and the heat conduction of fans drive in intercooler; Air after cooling carries out third level cooling through air inlet flame trap, makes it enter diesel engine cylinder cover.Water-cooled pressurized machine, water-cooled supercharger air compressor and Injection Pump, bent axle coordination operation through strict match test, obtain better firing effect.When strengthening oil mass, high temperature compressed air is through cooling, and density of the induced air is larger, and in same time inner casing, oxygen is more sufficient, diesel combustion more abundant, and output power significantly increases, and from source, reduces the pollutant of discharge.
Beneficial effect of the present invention:
1, the diesel powered of about power 130-150KW can be provided, meet the requirements of 10 tons of above explosion-proof articulators, exhaust index is better than simple turbosupercharging diesel engine simultaneously, more can meet the requirement of environmental protection;
2. the output power of whole diesel engine increases more than 15%, and specific fuel consumption more economically;
3, compact structure, the less and working stability of noise.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural front view;
Fig. 2 is embodiment of the present invention structure plan view;
In figure: 1 water-cooled supercharger air compressor, 2 suction tude I sections, 3 air inlet shut-off valves, 4 suction tude II sections, 5 fans, 6 air-air intercoolers, 7 suction tude III sections, 8 air inlet flame traps, 9 suction tude IV sections, 10 anti-explosion diesel engine bodies, 11 diesel engine cylinder covers, 12 water cooled exhaust manifolds, 13 water-cooled pressurized machines.
Embodiment
Below in conjunction with embodiment, the embodiment of the present invention is further described:
Cold anti-explosion diesel engine in air-air as shown in Fig. 1 Fig. 2, include anti-explosion diesel engine body 10, gas handling system and vent systems, described vent systems is provided with waste gas pressurization system, and be provided with three grades of cooling systems, described waste gas pressurization system includes water-cooled pressurized machine 13 and water-cooled supercharger air compressor 1, the outlet end of calming the anger of water-cooled supercharger air compressor 1 connects air inlet shut-off valve 3 successively by suction tude, air-air intercooler 6, air inlet flame trap 8, diesel engine cylinder cover 11, wherein said air inlet shut-off valve 3 is brass heat radiation valve, in the suction tude at air inlet shut-off valve 3 places, honeycomb metal airstrainer is installed, the formation first order is cooling, described air-air intercooler 6 adopts fan 5 refrigeration, and the blowing direction of fan 5, over against suction tude, is provided with cold water spray device at fan 5 tops, forms condensation water smoke and blow to suction tude under fan 5 beating effects, forms the second level cooling, on the shell of described air inlet flame trap 8, be enclosed with one deck high thermal conductivity heat dissipating silicone grease, form the third level cooling.
In the present embodiment, described water-cooled pressurized machine 13 includes turbine, volute, and its turbine is communicated with the water cooled exhaust manifold 12 in vent systems, and the axle of turbine is coaxial with the wheel shaft of water-cooled supercharger air compressor 1.
In the present embodiment, described suction tude is divided into four sections, by air inlet shut-off valve, air-air intercooler, air inlet flame trap three, separate successively, be respectively suction tude I section 2, suction tude II section 4, suction tude III section 7, suction tude IV section 9, wherein the material of four sections of suction tude is respectively: suction tude I section 2 is that cast iron tube, suction tude II section 4 are that galvanized pipe, suction tude III section 7 are that aluminum pipe, suction tude IV section 9 are copper pipe.
In the present embodiment, described air-air intercooler 6 is also provided with radiating fin, and radiating fin is arranged on fan 5 over against position, after being positioned at suction tude and spray equipment, the hot air after heat exchange can be lowered the temperature in time, lowers the operating temperature of fan.
During work: the High Temperature High Pressure waste gas of embodiment of the present invention diesel engine enters water-cooled pressurized machine 13 volutes through water cooled exhaust manifold 12, high speed impact turbine rotates and drives coaxial water-cooled supercharger air compressor 1 High Rotation Speed, constantly suck and compress fresh air, air after compression is cooling through three grades, the first order is dispelled the heat by brass radiating type air inlet shut-off valve 3 and honeycomb metal airstrainer, the second level enters air-air intercooler 6, and the cooling-air convection current that high temperature compressed air drives with fan 5 in air-air intercooler 6 and heat conduction have reduced temperature; Air after cooling carries out third level cooling through air inlet flame trap 8, makes it enter diesel engine cylinder cover 11.
Through water-cooled pressurized machine 13, the water-cooled supercharger air compressor 1 and Injection Pump, bent axle coordination operation of strict match test, obtain better firing effect.When strengthening oil mass, high temperature compressed air is through cooling, and density of the induced air is larger, and in same time inner casing, oxygen is more sufficient, diesel combustion more abundant, and output power significantly increases, and from source, reduces the pollutant of discharge.
Protection scope of the present invention is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not depart from the scope of the present invention and spirit the present invention.If these changes and distortion belong in the scope of the claims in the present invention and equivalent technologies thereof, the intent of the present invention also comprises these changes and is out of shape interior.
Claims (5)
1. cold anti-explosion diesel engine in air-air, include anti-explosion diesel engine body, gas handling system and vent systems, it is characterized in that: described vent systems is provided with waste gas pressurization system, and be provided with three grades of cooling systems, described waste gas pressurization system includes water-cooled pressurized machine and water-cooled supercharger air compressor, the outlet end of calming the anger of water-cooled supercharger air compressor connects air inlet shut-off valve successively by suction tude, air-air intercooler, air inlet flame trap, diesel engine cylinder cover, wherein said air inlet shut-off valve is brass heat radiation valve, in the suction tude at air inlet shut-off valve place, honeycomb metal airstrainer is installed, the formation first order is cooling, described air-air intercooler adopts fan refrigeration, and the blowing direction of fan, over against suction tude, is provided with cold water spray device at fan top, forms condensation water smoke and blow to suction tude under fan beating effect, forms the second level cooling, on the shell of described air inlet flame trap, be enclosed with one deck high thermal conductivity heat dissipating silicone grease, form the third level cooling.
As claimed in claim 1 air-air in cold anti-explosion diesel engine, it is characterized in that: described water-cooled pressurized machine includes turbine, volute, its turbine is communicated with the water cooled exhaust manifold in vent systems, the axle of turbine is coaxial with the wheel shaft of water-cooled supercharger air compressor.
As claimed in claim 1 air-air in cold anti-explosion diesel engine, it is characterized in that: described suction tude is divided into four sections, by air inlet shut-off valve, air-air intercooler, air inlet flame trap three, separate successively, be respectively suction tude I section, suction tude II section, suction tude III section, suction tude IV section.
As claimed in claim 3 air-air in cold anti-explosion diesel engine, it is characterized in that: the material that described suction tude is four sections is respectively: suction tude I section is that cast iron tube, suction tude II section are that galvanized pipe, suction tude III section are that aluminum pipe, suction tude IV section are copper pipe.
As claimed in claim 1 air-air in cold anti-explosion diesel engine, it is characterized in that: described air-air intercooler is also provided with radiating fin, radiating fin is arranged on fan over against position, after being positioned at suction tude and spray equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310669110.2A CN103628973B (en) | 2013-12-11 | 2013-12-11 | Cold anti-explosion diesel engine in air-air |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310669110.2A CN103628973B (en) | 2013-12-11 | 2013-12-11 | Cold anti-explosion diesel engine in air-air |
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| CN103628973A true CN103628973A (en) | 2014-03-12 |
| CN103628973B CN103628973B (en) | 2016-02-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443234A (en) * | 2015-12-15 | 2016-03-30 | 湖北铂航动力科技有限公司 | Gas engine with multiple cooling modes |
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| US5201285A (en) * | 1991-10-18 | 1993-04-13 | Touchstone, Inc. | Controlled cooling system for a turbocharged internal combustion engine |
| CN101165437A (en) * | 2006-10-19 | 2008-04-23 | 何君 | Internal combustion engine waste gas energy and high speed motor hybrid driven air circulation refrigeration system |
| CN101566113A (en) * | 2009-06-03 | 2009-10-28 | 浙江银轮机械股份有限公司 | Engine waste heat recovery system based on organic rankine cycle |
| CN101666261A (en) * | 2009-10-10 | 2010-03-10 | 奇瑞汽车股份有限公司 | Vehicle two-stage inter-cooling system |
| KR20120063260A (en) * | 2010-12-07 | 2012-06-15 | 현대자동차주식회사 | Apparatus of cooling system for vehicle and controlling method using the same |
| CN203655415U (en) * | 2013-12-11 | 2014-06-18 | 湖北康晨安宝矿业设备有限责任公司 | Air-air intercooling explosion-proof diesel engine |
-
2013
- 2013-12-11 CN CN201310669110.2A patent/CN103628973B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5201285A (en) * | 1991-10-18 | 1993-04-13 | Touchstone, Inc. | Controlled cooling system for a turbocharged internal combustion engine |
| CN101165437A (en) * | 2006-10-19 | 2008-04-23 | 何君 | Internal combustion engine waste gas energy and high speed motor hybrid driven air circulation refrigeration system |
| CN101566113A (en) * | 2009-06-03 | 2009-10-28 | 浙江银轮机械股份有限公司 | Engine waste heat recovery system based on organic rankine cycle |
| CN101666261A (en) * | 2009-10-10 | 2010-03-10 | 奇瑞汽车股份有限公司 | Vehicle two-stage inter-cooling system |
| KR20120063260A (en) * | 2010-12-07 | 2012-06-15 | 현대자동차주식회사 | Apparatus of cooling system for vehicle and controlling method using the same |
| CN203655415U (en) * | 2013-12-11 | 2014-06-18 | 湖北康晨安宝矿业设备有限责任公司 | Air-air intercooling explosion-proof diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443234A (en) * | 2015-12-15 | 2016-03-30 | 湖北铂航动力科技有限公司 | Gas engine with multiple cooling modes |
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| CN103628973B (en) | 2016-02-10 |
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