Engine test bed tail gas treatment system and use method thereof

Abstract

An engine test bed tail gas treatment system comprises a first alkali liquor spray tower, a second alkali liquor spray tower, an alkali liquor supply pool, a silencing tower and a tail gas treatment system input pipeline. Spray tower gas inlets of the first alkali liquor spray tower and the second alkali liquor spray tower both communicate with the tail gas treatment system input pipeline, and spray tower gas outlets both communicate with the silencing tower through pipelines. According to the engine test bed tail gas treatment system, engine test bed tail gas is treated; meanwhile, by arrangement of the silencing tower, silencing and noise reduction are carried out on exhaust of an exhaust system, and noise pollution is avoided.

Description

technical field [0001] The invention relates to the technical field of engine test environmental protection, in particular to an engine test bench exhaust gas treatment system and a use method thereof. Background technique [0002] Engine test is one of the necessary links for aerospace engines such as turbofan engines and solid impulse engines, and the engine test bench is a necessary condition for engine testing. For the engine test bench of turbofan engines, solid impulse engines and other aerospace engines, The main components of the exhaust gas are carbon dioxide and hydrogen sulfide and contain certain particulate matter. The particulate matter mainly includes boron trioxide and magnesium oxide. If the exhaust gas discharged from the test bench is directly discharged into the atmosphere, it will greatly pollute the atmosphere and cause The generation of acid rain and the particulate matter emitted at the same time will form pollutants such as PM10 and PM2.5 to pollute ...

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Problems solved by technology

[0004] For the noise reduction method for the noise generated by the test bench, there is no very mature and effective technical means in the prior art. The applicant first applied for CN203910262U, and proposed a muffler, which has a certain effect on the noise reduction and noise reduction of the test bench. , but the staggered arrangement of thick and thin slice components of the muffler requires a large footprint. Sheet components and sheet components (each layer of sound absorbing sheet components requires at least 2 thick sheet components of the muffler and 2 thin sheet components of the muffler plus half a thick sheet assembly of the muffler and a half sheet assembly of the muffler), resulting in a significant increase in cost; another On the one hand, when the floor area of ​​the engine test bench that allows the installation of noise reduction equipment is small and does not allow the staggered arrangement of thick sheet components and thin sheet components of the muffler described in this patent application on each floor, removing any piece of noise reduction sheet will result in a reduction in the noise reduction capability. Decline

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