Multilevel particle cutter

Abstract

The invention mainly discloses a multilevel particle cutter. The cutter comprises an air intake hood, as well as a filtering screen, a nozzle, cutting boxes and a sealing ring which are in the air intake hood; the cutting boxes and an inner wall of the air intake hood are connected in tight connection; the filtering screen and the nozzle are provided with filtering apertures; an upper surface of a first cutting box is provided with a first adsorption layer which is up and down corresponding to filtering apertures on the top, primary filtering apertures are arranged on one side of the first cutting box opposite to the first adsorption layer; the upper surface of a second cutting box is provided with a second adsorption layer which is up and down corresponding to primary filtering apertures, and secondary filtering apertures are arranged on one side of the second cutting box opposite to the second adsorption layer. The structure has good cutting effects, the adsorption layer and the filtering apertures on the upper cutting box are respectively corresponding to the filtering apertures and the adsorption layer on the lower cutting box, in order to avoid adsorption of large particles in the filtering apertures which causes obstruction of filtering apertures in the effect of inertia; the adsorption layers absorb large particles, in order to facilitate cleaning of particles, and at the same time avoid impact of large particles and other particles after adsorption which causes reduction of cutting efficiency.

Description

technical field [0001] The invention relates to a particle filtering device, in particular to a multi-stage particle cutter. Background technique [0002] With the rapid development of social economy and the rapid increase in the number of motor vehicles, my country's ambient air pollution is becoming more and more significant, regional air pollution problems are becoming more and more serious, and air PM2.5 pollution in developed areas is becoming more and more serious, which has become the trend of future pollution development. , not only reduces the visibility, but also leads to an increase in the morbidity and mortality of the circulatory system and respiratory system of residents, which is harmful to human health. [0003] At present, the previous particle cutters are not only complex in structure, high in process requirements, expensive, inconvenient to operate and transport, easy to maintain and difficult to promote, but also the filter device on the cutter is usually ...

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Problems solved by technology

[0003] At present, the previous particle cutters are not only complex in structure, high in process requirements, expensive, inconvenient to operate and transport, easy to maintain and difficult to promote, but also the filter device on the cutter is usually composed of nozzles, filter plates, filter holes and other components. , After the cutter has been filtered many times, the cut particles remain in the nozzle, filter plate, and even filter holes. If they are not cleaned in time, normal cutting cannot continue

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