Device for explosion prevention and filter purification of exhaust
A filter device and filter technology, which is applied in the direction of exhaust devices, silencers, engine components, etc., can solve the problems of poor exhaust gas purification effect, engine exhaust gas cannot be filtered and washed well, large structure, etc., and achieve simple structure and explosion-proof effect Safe and reliable, the effect of preventing transmission
Inactive Publication Date: 2012-10-24
CHINA UNIV OF MINING & TECH
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Problems solved by technology
The explosion-proof and water washing device is characterized by a large structure, and the engine exhaust gas cannot be filtered and washed well when it passes through. Most of the exhaust gas is directly discharged into the atmosphere or roadway without water washing, and the exhaust gas purification effect is poor.
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Embodiment Construction
[0010] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0011] figure 1 As shown, the exhaust explosion-proof and purification filter device is mainly composed of a filter housing 3, an elbow inlet pipe 8, an exhaust pipe 1, an impeller 9 and a filter explosion-proof screen 5. It includes a filter housing 3 with a filtrate 6 at the bottom, an elbow inlet pipe 8 is offset on the outer circular surface of the filter housing 3, and its axis line does not coincide with the axis line of the filter housing 3 , figure 2 shown. The impeller 9 is set in the filter housing 3 corresponding to the inlet of the elbow inlet pipe 8, the filter housing 3 is provided with a bearing seat 2 supporting the exhaust pipe 1 on one end surface, and a bearing seat supporting the impeller 9 at the other end 10. There is a gas sealing ring inside the bearing seat 2. The exhaust pipe 1 is fixed on the filter housing 3 through the bear...
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The invention provides a device for the explosion prevention and filter purification of exhaust. The device comprises a filter housing, wherein, washing filtrate is held at the bottom of the filter housing; a bent inlet pipe is arranged on the outer circular surface of the filter housing; an impellor is arranged in the position corresponding to the bent inlet pipe in the filter housing; a bearing pedestal for supporting an exhaust pipe is arranged on one end surface of the filter housing, and a bearing pedestal for supporting the impellor is arranged on the other end thereof; a filter explosion-prevention sieve with two end surfaces being respectively fixed on the exhaust pipe and the impellor is arranged in the filter housing; and a pour opening is arranged on the top of the filter housing, and a sewage-draining hole and a screw plug are arranged at the bottom thereof. The device is not only applicable to exhaust explosion prevention and waste gas filtration of an underground diesel engine and emission index reduction, but also applicable to exhaust purification of large-scale indoor diesel engine generating sets and large heavy-duty engineering vehicles. The device serves the functions of exhaust explosion prevention and motor tail gas purification; the explosion prevention effect is safe and reliable, and the tail gas purification effect is good; and the device has the advantages of simple, compact and reasonable structure and good application effect, and integrates fire extinguishing and waste gas purification as a whole.
Description
technical field [0001] The invention relates to an exhaust explosion-proof and purification filtering device, which is especially suitable for the explosion-proof and purification filtration of engine tail gas such as underground diesel engines and gasoline engines, and is also suitable for the exhaust gas purification and filtration of large-scale diesel generator sets on the ground. Background technique [0002] The flammable and explosive working environment in coal mines often requires some electromechanical equipment to have explosion-proof performance in order to ensure the safety of coal mining. At present, the explosion-proof and water-washing tanks used in underground explosion-proof diesel engines adopt relatively large tanks, and there are impellers in the water at the bottom of the water-washing tanks. When the exhaust gas of the engine passes through the grid-type explosion-proof device, the gas is filtered and then discharged to extinguish any remaining flames....
Claims
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IPC IPC(8): F01N3/022F01N3/06
Inventor 李宝林陈景昌张建全吴晓蓉
Owner CHINA UNIV OF MINING & TECH