CN103603717A - High-power explosion-proof diesel engine of inner and outer bicirculating water cooling system - Google Patents
High-power explosion-proof diesel engine of inner and outer bicirculating water cooling system Download PDFInfo
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- CN103603717A CN103603717A CN201310669007.8A CN201310669007A CN103603717A CN 103603717 A CN103603717 A CN 103603717A CN 201310669007 A CN201310669007 A CN 201310669007A CN 103603717 A CN103603717 A CN 103603717A
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Abstract
The invention provides a high-power explosion-proof diesel engine of an inner and outer bicirculating water cooling system. The high-power explosion-proof diesel engine comprises a cylinder body, a cylinder cover, a piston and an air valve of an explosion-proof diesel engine body, a heat dissipating system, an air intake system and an exhaust air system, wherein the heat dissipating system comprises an inner circulating system and an outer circulating system of the diesel engine; both the inner and outer circulating systems are water path circulating systems which are independently provided with water pumps, respectively. Water paths are connected through a water pipe and flow through a water jacket of a part to be cooled to form a cooling loop. The water path of the inner circulating system sequentially comprises a radiator, an inner water pump of the diesel engine, a water jacket of the cylinder body, a water jacket of the cylinder cover, a water jacket of an exhaust manifold, a water jacket of a water cooling pressurizer and a return water transitional steel pipe according to a flow direction. The water path of the outer circulating system sequentially comprises a water supplementing tank, an external water pump of the diesel engine and a water jacket of the exhaust manifold according to a flow direction. The output power of the explosion-proof diesel engine is over 160KW and is more economical than oil consumption, and the exhaust emission index reaches the environmental requirements.
Description
Technical field
The present invention relates to Diesel Engine Technique Field, relate in particular to a kind of internal-external double circulation water cooling system high-power explosion-proof diesel engine that is applied to high-power mine vehicle.
Background technique
China's coal-mine trackless rubber tire special purpose vehicle is not produced substantially with high-power explosion-proof diesel engine is domestic, only has after the domestic engine reformation of the employing North China Diesel Engine Plant of seldom measuring below 160KW and Shanghai Diesel Engine Plant on probation in colliery.
Colliery is for an urgent demand of features anti-explosion diesel engine vehicle now, need to provide the above powerful anti-explosion diesel engine of 200KW, for the requirement of economy and environmental protection, must be air-air middle cold mould diesel engine after supercharging, be to guarantee that diesel engine surface temperature, delivery temperature and coolant water temperature need novel forced circulation radiating system.
Summary of the invention
Technical problem to be solved by this invention, can only reach in 160KW for existing anti-explosion diesel engine, cannot meet the requirement of the large heavy special purpose vehicle in colliery, the technical problems such as oil consumption is simultaneously high, discharge is poor, volume and weight is large, provide a kind of power at 160-260KW, toxic emission index meets the internal-external double circulation water cooling system high-power explosion-proof diesel engine of environmental requirement.
The technical solution adopted for the present invention to solve the technical problems is:
Internal-external double circulation water cooling system high-power explosion-proof diesel engine, include the cylinder body of anti-explosion diesel engine body, cylinder cap, piston, valve, and radiation system, gas handling system and vent systems, described gas handling system is provided with water-cooled supercharger air compressor, described vent systems comprises gas exhaust manifold and exhaust manifold, gas exhaust manifold connects water-cooled pressurized machine, exhaust manifold is connected with waste gas treatment tank, it is characterized in that: described radiation system includes diesel engine internal circulation system and diesel engine external circulating system, both are water passage circulation system, Independent is equipped with water pump respectively, water route connects by water pipe and flows through needs the water jacket of cooling-part to form cooling circuit, the water route of described diesel engine internal circulation system includes radiator successively according to flowing to, water pump in diesel engine, cylinder body water jacket, cylinder cover water jacket, gas exhaust manifold water jacket, water-cooled pressurized machine water jacket, backwater transition steel pipe, the water route of described diesel engine external circulating system includes water supply tank, the outer water pump of diesel engine, exhaust manifold water jacket successively according to flowing to, and water supply tank is also communicated with and carries out moisturizing with wet waste gas treatment box in addition.
In such scheme, described water-cooled supercharger air compressor is connected in suction tude, in suction tude, according to air inlet order, air-strainer, air-air intercooler, air inlet shut-off valve are installed successively, the position that water-cooled supercharger air compressor is installed is between air-strainer and air-air intercooler.
In such scheme, described radiator is three-in-one type radiator, include and be integrated in water radiator and the oil radiator that one adopts heat radiating fin structure, and the air-air intercooler of connecting with water radiator by water route.
In such scheme, described water radiator top is provided with swelling water tank.
In such scheme, the water route direction of described diesel engine internal circulation system is divided into two circulation branch roads, is respectively: water pump-cylinder body water jacket-cylinder cover water jacket-backwater transition steel pipe-water radiator in water radiator-diesel engine; And water pump-cylinder body water jacket-cylinder cover water jacket-gas exhaust manifold water jacket-water-cooled pressurized machine water jacket-backwater transition steel pipe-water radiator in water radiator-diesel engine.
In such scheme, in described diesel engine internal circulation system, the water vapour that cylinder cover water jacket and gas exhaust manifold water jacket produce, is all drained in swelling water tank.
In such scheme, described diesel engine external circulating system route is: the outer water pump-exhaust manifold water jacket-water supply tank of water supply tank-diesel engine.
In such scheme; described diesel engine external circulating system is divided into two branch roads after exhaust manifold water jacket; one of them branch road connects on the flange water jacket of water-cooled pressurized machine with protection flange surface temperature lower than 150 degree; another branch road is connected on exhaust manifold water jacket tube wall to guarantee that water jacket has enough cooling water flows, and above-mentioned two branch roads are got back to water supply tank and can be entered external circulating system again and lower the temperature.
In such scheme, the water of the water supply tank in described external circulating system enters by another water route that wet waste gas treatment box mixes with waste gas, vaporizing cools to 70 degrees Celsius by waste gas and enter atmosphere.
Principle of the present invention is:
Inner loop pipeline: the water radiator water suction of water pump from three-in-one radiator in diesel engine, after pressurization, enter cylinder body water jacket, after the most of water of cylinder body water jacket is cooling to cylinder body, enter cylinder cover water jacket, cooling cylinder cap enters water radiator cooling by backwater transition steel pipe.Cylinder body water jacket separates fraction water and arrives gas exhaust manifold water jacket, enter again water-cooled pressurized machine water jacket, due to the volute high temperature of water-cooled pressurized machine conventionally higher, therefore water can continue absorbing and cooling temperature, the hot water flowing out is by backwater transition steel pipe to water radiator, and the steam that gas exhaust manifold water jacket and cylinder cover water jacket produce is got back to the swelling water tank on water radiator top.
External circulation line: the outer water pump of diesel engine sucks cooling water from water supply tank; after pressurization, flow in exhaust manifold water jacket; cooling water to waste gas cooling is divided into two outlets; one of them outlet is to protect flange surface temperature lower than 150 degrees Celsius on the flange water jacket being connected with pressurized machine, and another outlet is opened at exhaust manifold water jacket tube wall has enough cooling water flows to guarantee water jacket.Above-mentioned two outlets are got back to water supply tank and can be entered exhaust manifold again and lower the temperature, and the water of water supply tank enters by another water route that New type wet waste gas treatment tank mixes with waste gas, vaporizing cools to 70 degrees Celsius by waste gas and enter atmosphere.
Inventive point of the present invention is: internal-external double circulation water route is set on diesel engine, be respectively arranged with independently water pump, wherein interior circulation waterway mainly carries out cooling to the cylinder body of motor and cylinder cap, outer circulation water route is mainly carried out cooling to outlet pipe, and simultaneously to the waste gas the producing processing of lowering the temperature.
Beneficial effect of the present invention:
1., more than making the output power 160KW of whole anti-explosion diesel engine, specific fuel consumption more economically;
2. make the toxic emission index of anti-explosion diesel engine have larger improvement, meet the requirement of environmental protection;
3. diesel engine internal-external double circulation, cooling effect is obvious, and reliability is high, and the surface temperature of diesel engine is lower than 150 degrees Celsius, and delivery temperature is lower than 70 degrees Celsius;
4. reasonable in design, simple in structure, the less and working stability of noise.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention storing tank structural drawing
Fig. 2 is embodiment of the present invention air intake system structure figure;
Fig. 3 is embodiment of the present invention exhaust system structure figure;
In figure: 1 water radiator, 2 air-air intercoolers, 3 air inlet shut-off valves, 4 water-cooled supercharger air compressors, 5 air-strainer, 6 water-cooled pressurized machines, 7 exhaust manifolds, 8 gas exhaust manifolds, 9 wet waste gas treatment boxes, 10 backwater transition steel pipes, 11 swelling water tanks, water pump in 12 diesel engines, 13 cylinder bodies, 14 cylinder caps, the outer water pump of 15 diesel engines, 16 water supply tanks.
Embodiment
Below in conjunction with embodiment, the embodiment of the present invention is further described:
Internal-external double circulation water cooling system high-power explosion-proof diesel engine as shown in Fig. 1 Fig. 2 Fig. 3, include the cylinder body 13 of anti-explosion diesel engine body, cylinder cap 14, piston, valve, and radiation system, gas handling system and vent systems, described gas handling system is provided with water-cooled supercharger air compressor 4, described vent systems comprises gas exhaust manifold 8 and exhaust manifold 7, gas exhaust manifold 8 connects water-cooled pressurized machine 6, exhaust manifold 7 is connected with wet waste gas treatment box 9, described radiation system includes diesel engine internal circulation system and diesel engine external circulating system, both are water passage circulation system, Independent is equipped with water pump respectively, water route connects by water pipe and flows through needs the water jacket of cooling-part to form cooling circuit, the water route of described diesel engine internal circulation system is according to flowing to gas exhaust manifold 8 water jackets, water-cooled pressurized machine 6 water jackets, the backwater transition steel pipe 10 that includes successively water pump 12 in radiator, diesel engine, cylinder body 13 water jackets, cylinder cap 14 water jackets, vent systems, the water route of described diesel engine external circulating system includes water supply tank 16, the outer water pump 15 of diesel engine, exhaust manifold 7 water jackets successively according to flowing to, and water supply tank 16 is also communicated with and carries out moisturizing with wet waste gas treatment box 9 in addition.
In the present embodiment, described water-cooled supercharger air compressor 6 is connected in suction tude, in suction tude, according to air inlet order, air-strainer 5, air-air intercooler 2, air inlet shut-off valve 3 are installed successively, the position that water-cooled supercharger air compressor 6 is installed is between air-strainer 5 and air-air intercooler 2.
In the present embodiment, described radiator is three-in-one type radiator, include and be integrated in water radiator 1 and the oil radiator that one adopts heat radiating fin structure, and the air-air intercooler 2 of connecting with water radiator 1 by water route.
In the present embodiment, described water radiator 1 top is provided with swelling water tank 11.
In the present embodiment, the water route direction of described diesel engine internal circulation system is divided into two circulation branch roads, is respectively: water pump 12-cylinder body 13 water jackets-cylinder cap 14 water jackets-backwater transition steel pipe 10-water radiator 1 in water radiator 1-diesel engine; And water pump 12-cylinder body 13 water jackets-cylinder cap 14 water jackets-gas exhaust manifold 8 water jackets-water-cooled pressurized machine 6 water jackets-backwater transition steel pipe 10-water radiator 1 in water radiator 1-diesel engine.
In the present embodiment, in described diesel engine internal circulation system, the water vapour that cylinder cap 14 water jackets and gas exhaust manifold 8 water jackets produce, is all drained in swelling water tank 11.
In the present embodiment, described diesel engine external circulating system route is: the outer water pump 15-exhaust manifold 7 water jackets-water supply tank 16 of water supply tank 16-diesel engine.
In the present embodiment; described diesel engine external circulating system is divided into two branch roads after exhaust manifold 7 water jackets; one of them branch road connects the flange water jacket of water-cooled pressurized machine 6 to protect flange surface temperature lower than 150 degree; another branch road is connected on exhaust manifold 7 water jacket tube walls to guarantee that exhaust manifold 7 water jackets have enough cooling water flows, and above-mentioned two branch roads are got back to water supply tank 16 and can be entered external circulating system again and lower the temperature.
In the present embodiment, the water of the water supply tank 16 in described external circulating system enters by another water route that wet waste gas treatment box 9 mixes with waste gas, vaporizing enters atmosphere by waste gas cooling.
Pass through the embodiment of the present invention, more than can making the output power 160KW of whole anti-explosion diesel engine, specific fuel consumption more economically, makes the toxic emission index of anti-explosion diesel engine have larger improvement, the surface temperature of diesel engine is lower than 150 degrees Celsius, and delivery temperature is lower than 70 degrees Celsius.
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 (9)
1. internal-external double circulation water cooling system high-power explosion-proof diesel engine, include the cylinder body of anti-explosion diesel engine body, cylinder cap, piston, valve, and radiation system, gas handling system and vent systems, described gas handling system is provided with water-cooled supercharger air compressor, described vent systems comprises gas exhaust manifold and exhaust manifold, gas exhaust manifold connects water-cooled pressurized machine, exhaust manifold is connected with waste gas treatment tank, it is characterized in that: described radiation system includes diesel engine internal circulation system and diesel engine external circulating system, both are water passage circulation system, Independent is equipped with water pump respectively, water route connects by water pipe and flows through needs the water jacket of cooling-part to form cooling circuit, the water route of described diesel engine internal circulation system includes radiator successively according to flowing to, water pump in diesel engine, cylinder body water jacket, cylinder cover water jacket, gas exhaust manifold water jacket, water-cooled pressurized machine water jacket, backwater transition steel pipe, the water route of described diesel engine external circulating system includes water supply tank, the outer water pump of diesel engine, exhaust manifold water jacket successively according to flowing to, and water supply tank is also communicated with and carries out moisturizing with wet waste gas treatment box in addition.
2. internal-external double circulation water cooling system high-power explosion-proof diesel engine as claimed in claim 1, it is characterized in that: described water-cooled supercharger air compressor is connected in suction tude, in suction tude, according to air inlet order, air-strainer, air-air intercooler, air inlet shut-off valve are installed successively, the position that water-cooled supercharger air compressor is installed is between air-strainer and air-air intercooler.
3. internal-external double circulation water cooling system high-power explosion-proof diesel engine as claimed in claim 1, it is characterized in that: described radiator is three-in-one type radiator, include and be integrated in water radiator and the oil radiator that one adopts heat radiating fin structure, and the air-air intercooler of connecting with water radiator by water route.
4. internal-external double circulation water cooling system high-power explosion-proof diesel engine as claimed in claim 3, is characterized in that: described water radiator top is provided with swelling water tank.
5. internal-external double circulation water cooling system high-power explosion-proof diesel engine as claimed in claim 1, it is characterized in that: the water route direction of described diesel engine internal circulation system is divided into two circulation branch roads, is respectively: water pump-cylinder body water jacket-cylinder cover water jacket-backwater transition steel pipe-water radiator in water radiator-diesel engine; And water pump-cylinder body water jacket-cylinder cover water jacket-gas exhaust manifold water jacket-water-cooled pressurized machine water jacket-backwater transition steel pipe-water radiator in water radiator-diesel engine.
6. the internal-external double circulation water cooling system high-power explosion-proof diesel engine as described in claim 1 or 4, is characterized in that: in described diesel engine internal circulation system, the water vapour that cylinder cover water jacket and gas exhaust manifold water jacket produce, is all drained in swelling water tank.
7. internal-external double circulation water cooling system high-power explosion-proof diesel engine as claimed in claim 1, is characterized in that: described diesel engine external circulating system route is: the outer water pump-exhaust manifold water jacket-water supply tank of water supply tank-diesel engine.
8. internal-external double circulation water cooling system high-power explosion-proof diesel engine as claimed in claim 1, it is characterized in that: described diesel engine external circulating system is divided into two branch roads after exhaust manifold water jacket, one of them branch road connects on the flange water jacket of water-cooled pressurized machine, another branch road is connected on exhaust manifold water jacket tube wall, and above-mentioned two branch roads are got back to water supply tank and entered external circulating system again and lower the temperature.
9. the internal-external double circulation water cooling system high-power explosion-proof diesel engine as described in claim 1 or 7, is characterized in that: the water of the water supply tank in described external circulating system enters wet waste gas treatment box by another water route to be mixed with waste gas, vaporize waste gas is lowered the temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310669007.8A CN103603717A (en) | 2013-12-11 | 2013-12-11 | High-power explosion-proof diesel engine of inner and outer bicirculating water cooling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310669007.8A CN103603717A (en) | 2013-12-11 | 2013-12-11 | High-power explosion-proof diesel engine of inner and outer bicirculating water cooling system |
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| CN103603717A true CN103603717A (en) | 2014-02-26 |
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| CN201310669007.8A Pending CN103603717A (en) | 2013-12-11 | 2013-12-11 | High-power explosion-proof diesel engine of inner and outer bicirculating water cooling system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234813A (en) * | 2014-08-30 | 2014-12-24 | 中国煤炭科工集团太原研究院有限公司 | Coolant temperature control circulating system for performance test of mining explosion-proof diesel engine |
| CN104775888A (en) * | 2015-04-08 | 2015-07-15 | 玉柴联合动力股份有限公司 | Water-jacket type exhaust manifold and engine provided with same |
| CN106948922A (en) * | 2017-04-19 | 2017-07-14 | 安徽安凯汽车股份有限公司 | A kind of off gas system based on engine water route |
| CN108661774A (en) * | 2018-06-21 | 2018-10-16 | 成都天地直方发动机有限公司 | A kind of high-power explosion-proof electronic controlled diesel vehicle radiator cooling device |
| CN109083730A (en) * | 2018-07-28 | 2018-12-25 | 襄阳晟欣机电有限公司 | A kind of internal-external double circulation diesel engine water cooling plant |
| CN109184885A (en) * | 2018-08-01 | 2019-01-11 | 襄阳晟欣机电有限公司 | Diesel engine cooling system |
| CN109538344A (en) * | 2018-10-22 | 2019-03-29 | 襄阳全系康动力机械有限责任公司 | A kind of internal-external double circulation water cooling system high-power diesel engine |
| CN112228220A (en) * | 2020-10-21 | 2021-01-15 | 马鞍山市常立发机械制造有限公司 | Diesel engine circulating cooling device for construction machinery |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234813A (en) * | 2014-08-30 | 2014-12-24 | 中国煤炭科工集团太原研究院有限公司 | Coolant temperature control circulating system for performance test of mining explosion-proof diesel engine |
| CN104775888A (en) * | 2015-04-08 | 2015-07-15 | 玉柴联合动力股份有限公司 | Water-jacket type exhaust manifold and engine provided with same |
| CN106948922A (en) * | 2017-04-19 | 2017-07-14 | 安徽安凯汽车股份有限公司 | A kind of off gas system based on engine water route |
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| CN108661774A (en) * | 2018-06-21 | 2018-10-16 | 成都天地直方发动机有限公司 | A kind of high-power explosion-proof electronic controlled diesel vehicle radiator cooling device |
| CN109083730A (en) * | 2018-07-28 | 2018-12-25 | 襄阳晟欣机电有限公司 | A kind of internal-external double circulation diesel engine water cooling plant |
| CN109184885A (en) * | 2018-08-01 | 2019-01-11 | 襄阳晟欣机电有限公司 | Diesel engine cooling system |
| CN109538344A (en) * | 2018-10-22 | 2019-03-29 | 襄阳全系康动力机械有限责任公司 | A kind of internal-external double circulation water cooling system high-power diesel engine |
| CN112228220A (en) * | 2020-10-21 | 2021-01-15 | 马鞍山市常立发机械制造有限公司 | Diesel engine circulating cooling device for construction machinery |
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