CN203308551U - High-power explosion-proof diesel engine - Google Patents
High-power explosion-proof diesel engine Download PDFInfo
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- CN203308551U CN203308551U CN2013202431811U CN201320243181U CN203308551U CN 203308551 U CN203308551 U CN 203308551U CN 2013202431811 U CN2013202431811 U CN 2013202431811U CN 201320243181 U CN201320243181 U CN 201320243181U CN 203308551 U CN203308551 U CN 203308551U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 16
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- 238000005065 mining Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 44
- 238000005516 engineering process Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 5
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- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a high-power explosion-proof diesel engine. The high-power explosion-proof diesel engine comprises a diesel engine body. The high-power explosion-proof diesel engine is characterized in that the high-power explosion-proof diesel engine further comprises an air inlet system, an exhaust system and a cooling system, the air inlet system is connected with an air inlet of the diesel engine body through a pipeline, the exhaust system is connected with an air outlet of the diesel engine body through a pipeline, a cooling liquid circulating pipeline is arranged in the exhaust system, and a cooling liquid circulating loop is composed of the two ends of the cooling liquid circulating pipeline and the cooling system through current dividers. The high-power explosion-proof diesel engine solves the problems that due to the fact that wet-type exhaust is applied to an explosion-proof diesel engine of a large-tonnage mining explosion-proof trackless rubber-tyred vehicle, the exhaust resistance is large, the engine power consumption is large, the amount of consumed water is large, and the environment is polluted seriously in the prior art. The high-power explosion-proof diesel engine is small in exhaust resistance, small in power consumption, small in pollution to environment and suitable for the large-tonnage mining explosion-proof trackless rubber-tyred vehicle of an underground coal mine.
Description
Technical field
The utility model belongs to the transportation and communication technical field, particularly relates to a kind of high-power explosion-proof diesel engine.
Background technique
The colliery conditions down-hole is special, the high-power explosion-proof diesel engine of current domestic employing all adopts the wet exhaust treatment technology, namely by tail gas being passed into to the mode of then discharging in water, carry out cooling to tail gas, have following shortcoming: 1. the exhaust resistance of tail gas is large, when large 2. tail gas of engine power loss are discharged, takes a large amount of steam out of, water content consumption is large, need to frequently add water, and a large amount of steam of taking out of, environmental pollution is very large.
The model utility content
Large in order to solve the exhaust resistance that in prior art, large-tonnage mine anti-explosion railless free-wheeled vehicle anti-explosion diesel engine used adopts the wet type discharge to cause, large to the engine power loss, water content consumption is large, the problems such as environmental pollution is serious, the utility model provides a kind of anti-explosion diesel engine for large-tonnage mine anti-explosion railless free-wheeled vehicle under coal mine that exhaust resistance is little, power loss is few, environmental pollution is little that has.
In order to address the above problem, technical solution adopted in the utility model is:
A kind of high-power explosion-proof diesel engine, comprise diesel-engine body, it is characterized in that: also comprise gas handling system, vent systems and cooling system, described gas handling system, vent systems are connected with air outlet with the diesel-engine body suction port by pipeline respectively, in vent systems, be provided with cooling liquid circulation pipeline, described pipeline two ends form the liquid circulation loop by shunt and cooling system respectively.
Aforesaid a kind of high-power explosion-proof diesel engine, it is characterized in that: described gas handling system comprises air-air intercooler, air shut off valve and air inlet flame trap, described air inlet pipeline is connected with air shut off valve, described air shut off valve is connected with the turbosupercharger air-inlet cavity by pipeline, described turbosupercharger is connected with air-air intercooler by pipeline, described air-air intercooler is connected with the air inlet flame trap by pipeline, described air inlet flame trap is connected with the diesel-engine body suction port by pipeline, is provided with air shut off valve on the air inlet pipeline of turbosupercharger front end.
Aforesaid a kind of high-power explosion-proof diesel engine, is characterized in that: be provided with interconnective air prefilter and air-strainer at the air inlet pipeline front end.
Aforesaid a kind of high-power explosion-proof diesel engine is characterized in that: described air shut off valve is connected with the turbosupercharger air-inlet cavity by screw thread pleat flexible pipe, and described turbosupercharger is connected with the pipeline be connected with the air-air intercooler suction port by the air inlet reducer pipe.
Aforesaid a kind of high-power explosion-proof diesel engine, it is characterized in that: described vent systems comprises gas exhaust manifold, turbosupercharger, condenser and exhaust flame trap, described diesel-engine body relief opening is connected with the gas exhaust manifold import, described gas exhaust manifold outlet is connected with the turbosupercharger exhaust cavity, described turbosupercharger is connected with the exhaust flame trap by pipeline, described exhaust flame trap is connected with condenser by pipeline, described gas exhaust manifold, in turbosupercharger and condenser, be provided with for the water jacket by cooling liquid, described water jacket two ends are shunted with backwater diffluence device device and are connected with cooling system by water inlet respectively.
Aforesaid a kind of high-power explosion-proof diesel engine, it is characterized in that: described gas exhaust manifold is fixed on diesel-engine body by the flame proof connecting plate.
Aforesaid a kind of high-power explosion-proof diesel engine is characterized in that: also comprise the tail gas air mix facilities, described condenser ends is connected with the tail gas air mix facilities by pipeline.
Aforesaid a kind of high-power explosion-proof diesel engine is characterized in that: also comprise one-level bellows and secondary bellows, be provided with the one-level bellows between turbosupercharger and exhaust flame trap, be provided with the secondary bellows between condenser and tail gas air mix facilities.
Aforesaid a kind of high-power explosion-proof diesel engine, it is characterized in that: described condenser newspaper first-stage condenser and secondary condenser, described exhaust flame trap is connected with first-stage condenser, described first-stage condenser is connected with secondary condenser by band water jacket one half bend, and described secondary condenser is connected with the secondary bellows.
Aforesaid a kind of high-power explosion-proof diesel engine is characterized in that: on the tail gas air mix facilities, be provided with the temperature transducer of measuring exhaust temperature.
The beneficial effects of the utility model are: the utility model high-power explosion-proof diesel engine volume is little, power is large, reliability is high, compare traditional wet exhaust treatment technology, applied dry type vent gas treatment technology, have that exhaust resistance is little, power loss is few, environmental pollution is little, the advantages such as good cooling results, solved wet type and discharged the problem that need to frequently add water.Table 1 is processed and dry type vent gas treatment contrast table for wet exhaust.
The accompanying drawing explanation
Fig. 1 is the utility model high-power explosion-proof Diesel Engine Complete Machine structural representation.
Fig. 2 is the utility model high-power explosion-proof bavin air intake system structure schematic diagram.
Fig. 3 is the utility model high-power explosion-proof mattress gas system architecture schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of high-power explosion-proof diesel engine, comprise diesel-engine body, it is characterized in that: also comprise gas handling system, vent systems and cooling system, described gas handling system, vent systems are connected with air outlet with the diesel-engine body suction port by pipeline respectively.
As shown in Figure 2, gas handling system comprises air-air intercooler 15, air inlet flame trap 17, air shut off valve 21, air prefilter 23 and air-strainer 24, at intake elbow 22 front ends, be provided with interconnective air prefilter 23 and air-strainer 24, by air prefilter 23 and air-strainer 24, that the dust in air amount and particle filter is clean, for diesel-engine body provides high-quality gas.Intake elbow 22 rear ends are connected with air shut off valve 21, air shut off valve 21 is connected with turbosupercharger 3 air-inlet cavitys by screw thread pleat flexible pipe 20, screw thread pleat flexible pipe 20 can bend to all directions, is convenient to air shut off valve 21 and better is connected with turbosupercharger 3.
Turbosupercharger 3 is connected with air-air intercooler 15 suction ports by suction tude 16, air-air intercooler 15 air outlets are connected with air inlet flame trap 17 by suction tude 16, air inlet flame trap 17 is connected with the intake manifold 19 of below by 90 degree elbows 18, and intake manifold 19 is connected with the diesel-engine body suction port.In order to facilitate being connected of turbosupercharger 3 and suction tude 16, on turbosupercharger 3, be connected with air inlet reducer pipe 25, by air inlet reducer pipe 25, be connected with the suction tude 16 be connected with air-air intercooler 15 suction ports.
As shown in Figure 3, vent systems comprises gas exhaust manifold 2, turbosupercharger 3, one-level bellows 4, exhaust flame trap 6, first-stage condenser 7, one half bend 9, secondary condenser 12, secondary bellows 13 and tail gas air mix facilities 14.Gas exhaust manifold 2 is fixed on diesel-engine body by flame proof connecting plate 1, the diesel-engine body relief opening is connected with gas exhaust manifold 2 imports, gas exhaust manifold 2 outlets are connected with turbosupercharger 3 exhaust cavitys, described turbosupercharger 3 is connected with one-level bellows 4, and described one-level bellows 4 is connected with exhaust flame trap 6 by exhaust elbow 5.
In exhaust flame trap rear end, be connected with first-stage condenser 7 and secondary condenser 12, described first-stage condenser 7 and secondary condenser 12 are fixing by condenser brackets 8 respectively, and by one half bend 9, be connected between first-stage condenser 7 and secondary condenser 12, at secondary condenser 12, be connected with one half bend 9 position be provided be connected the folder 11, within connecting folder, be provided with the sealing gasket 10 of seal protection effect, described secondary condenser 12 outlet end are connected with secondary bellows 13, described secondary bellows is connected with tail gas air mix facilities 14, on tail gas air mix facilities 14, be provided with the temperature transducer of measuring exhaust temperature.
At gas exhaust manifold 2, turbosupercharger 3, in exhaust elbow 5, first-stage condenser 7, one half bend 9 and secondary condenser 12, be provided with for the water jacket by cooling liquid, described water jacket two ends are shunted with backwater diffluence device device and cooling system and are connected to form the liquid circulation loop by water inlet respectively.
After the utility model gas handling system air is inhaled into, cleaned by air prefilter 23 and air-strainer 24.Then by air shut off valve 21, flowing into, air shut off valve 21 is the hydraulic type structure, and the operation air shut off valve can be closed suction tude.When abnormal conditions occurring, air shut off valve 21 will make gas circuit close, and stops air stream to enter diesel engine.During air shut off valve 21 folding, air enters turbosupercharger 3 by screw thread pleat flexible pipe 20, in turbosupercharger 3 back warp overcompression, by suction tude 16, enter air-air intercooler 15, carry out the air after turbosupercharger 3 compressions cooling, improve the air density entered in cylinder, to increase air inflow, for more fuel, burn, thus the power of raising anti-explosion diesel engine.Cooled air enters air inlet flame trap 17 again, and air inlet flame trap 17 has explosion-proof performance, in explosive atmosphere, works and can not light environmental gas, and air inlet flame trap 17 can prevent that flame from passing and enter in diesel engine.
The utility model high-power explosion-proof diesel engine guarantees can not surpass 70 ℃ and body maximum surface temperature and be no more than 150 ℃ from the gas that diesel engine is discharged, not containing spark, exhaust temperature.By gas exhaust manifold 2, the surface temperature of various connecting tubes is down to below 150 ℃.It is fixed on diesel engine by a flame proof connecting plate 1, guarantees that diesel engine is in explosion-proof state.In gas exhaust manifold 2, the flue gas given off is through one group of pipeline, and the outer surface of pipeline is undertaken cooling by the cooling liquid from the diesel engine cooling pipeline.The waste gas of discharging from gas exhaust manifold 2 flows into turbosupercharger 3, carries out water-cooled by turbosupercharger 3.Exhaust temperature is by exhaust flame trap 6, and first-stage condenser 7 and secondary condenser 12 further reduce.The temperature of tail gas just can be reduced to 70 ℃ like this.Exhaust temperature can be by being arranged on the temperature sensor measurement at tail gas air mix facilities 14 places.Employing is with water jacket exhaust elbow 5, can guarantee that with water jacket one half bend 9 surface temperature of pipe can be over 150 ℃.One-level bellows 4 and secondary bellows 13 can compensate the vibration of diesel engine.Exhaust flame trap 6 can be used to tail gas is purified, and by issuable blow-out.Tail gas air mix facilities 14 is by tail gas and fresh air mixed diluting, to reach the effect cooled.
The utility model high-power explosion-proof diesel engine volume is little, power is large, reliability is high, compare traditional wet exhaust treatment technology, applied dry type vent gas treatment technology, have that exhaust resistance is little, power loss is few, environmental pollution is little, the advantages such as good cooling results, solved wet type and discharged the problem that need to frequently add water.
Above demonstration and described basic principle of the present utility model, major character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. high-power explosion-proof diesel engine, comprise diesel-engine body, it is characterized in that: also comprise gas handling system, vent systems and cooling system, described gas handling system, vent systems are connected with air outlet with the diesel-engine body suction port by pipeline respectively, in vent systems, be provided with cooling liquid circulation pipeline, described pipeline two ends form the liquid circulation loop by shunt and cooling system respectively.
2. a kind of high-power explosion-proof diesel engine according to claim 1, it is characterized in that: described gas handling system comprises air-air intercooler, air shut off valve and air inlet flame trap, described air inlet pipeline is connected with air shut off valve, described air shut off valve is connected with the turbosupercharger air-inlet cavity by pipeline, described turbosupercharger is connected with air-air intercooler by pipeline, described air-air intercooler is connected with the air inlet flame trap by pipeline, described air inlet flame trap is connected with the diesel-engine body suction port by pipeline, on the air inlet pipeline of turbosupercharger front end, be provided with air shut off valve.
3. a kind of high-power explosion-proof diesel engine according to claim 2, is characterized in that: be provided with interconnective air prefilter and air-strainer at the air inlet pipeline front end.
4. a kind of high-power explosion-proof diesel engine according to claim 3, it is characterized in that: described air shut off valve is connected with the turbosupercharger air-inlet cavity by screw thread pleat flexible pipe, and described turbosupercharger is connected with the pipeline be connected with the air-air intercooler suction port by the air inlet reducer pipe.
5. a kind of high-power explosion-proof diesel engine according to claim 4, it is characterized in that: described vent systems comprises gas exhaust manifold, turbosupercharger, condenser and exhaust flame trap, described diesel-engine body relief opening is connected with the gas exhaust manifold import, described gas exhaust manifold outlet is connected with the turbosupercharger exhaust cavity, described turbosupercharger is connected with the exhaust flame trap by pipeline, described exhaust flame trap is connected with condenser by pipeline, described gas exhaust manifold, in turbosupercharger and condenser, be provided with for the water jacket by cooling liquid, described water jacket two ends are shunted with backwater diffluence device device and are connected with cooling system by water inlet respectively.
6. a kind of high-power explosion-proof diesel engine according to claim 5, it is characterized in that: described gas exhaust manifold is fixed on diesel-engine body by the flame proof connecting plate.
7. a kind of high-power explosion-proof diesel engine according to claim 6, it is characterized in that: also comprise the tail gas air mix facilities, described condenser ends is connected with the tail gas air mix facilities by pipeline.
8. a kind of high-power explosion-proof diesel engine according to claim 7, it is characterized in that: also comprise one-level bellows and secondary bellows, between turbosupercharger and exhaust flame trap, be provided with the one-level bellows, be provided with the secondary bellows between condenser and tail gas air mix facilities.
9. a kind of high-power explosion-proof diesel engine according to claim 8, it is characterized in that: described condenser newspaper first-stage condenser and secondary condenser, described exhaust flame trap is connected with first-stage condenser, described first-stage condenser is connected with secondary condenser by band water jacket one half bend, and described secondary condenser is connected with the secondary bellows.
10. a kind of high-power explosion-proof diesel engine according to claim 9, is characterized in that: on the tail gas air mix facilities, be provided with the temperature transducer of measuring exhaust temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202431811U CN203308551U (en) | 2013-05-08 | 2013-05-08 | High-power explosion-proof diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202431811U CN203308551U (en) | 2013-05-08 | 2013-05-08 | High-power explosion-proof diesel engine |
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| CN203308551U true CN203308551U (en) | 2013-11-27 |
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| CN2013202431811U Withdrawn - After Issue CN203308551U (en) | 2013-05-08 | 2013-05-08 | High-power explosion-proof diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233799A (en) * | 2013-05-08 | 2013-08-07 | 昆山晋桦豹胶轮车制造有限公司 | High-power explosion-proof diesel engine |
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2013
- 2013-05-08 CN CN2013202431811U patent/CN203308551U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233799A (en) * | 2013-05-08 | 2013-08-07 | 昆山晋桦豹胶轮车制造有限公司 | High-power explosion-proof diesel engine |
| CN103233799B (en) * | 2013-05-08 | 2015-05-13 | 昆山晋桦豹胶轮车制造有限公司 | High-power explosion-proof diesel engine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150513 |
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| RGAV | Abandon patent right to avoid regrant |