Fire-proof smoke-exhausting-type variable cross-shaped shunting regulation four-way device and dust retention-prevention processing method

Abstract

The invention discloses a fire-proof smoke-exhausting-type variable cross-shaped shunting regulation four-way device and a dust retention-prevention processing method. The variable cross-shaped shunting regulation four-way device comprises a lower bottom plate, an upper top plate and side surfaces; the lower bottom plate is divided into a high-dust particle concentration area, a middle-dust particle concentration area and a low-dust particle concentration area; and the high-dust particle concentration area and the low-dust particle concentration area are made of dust retention-prevention materials with different rough heights. According to the cross-shaped shunting regulation four-way device, clean materials with different rough heights are adopted at parts with different dust-retention concentrations, so that retention of suspended particles at the cross-shaped shunting regulation four-way device can be effectively reduced; and meanwhile, the use amount of the abrasion-resistance materials is reduced, so that the cost of the cross-shaped shunting regulation four-way device is lowered.

Description

technical field [0001] The invention belongs to the field of industrial ventilation, and in particular relates to a variable cross-shunt regulating four-way device and a method for preventing dust accumulation of the variable cross-shunt regulating four-way device, in particular to a variable cross-shunt regulating four-way device for fire prevention and smoke exhaust Anti-dust treatment method. Background technique [0002] When the outdoor air in the air supply system is processed by the air conditioning unit, since most coarse and fine filters can only filter suspended particles above 3um, the fine particles will directly enter the air duct with the wind, and the actual roughness of the inner surface of the air duct is much higher. Due to the size of the fine particles, these fine particles will accumulate more and more electrostatic adsorption as the air and the inner wall of the air duct collide and rub against each other, which will cause the roughness of the inner wal...

AI Technical Summary

Problems solved by technology

But in reality, not all parts of the air duct cross diversion adjustment cross are easy to accumulate dust, that is to say, some surfaces that are not easy to accumulate dust or certain parts of the same surface are not easy to accumulate dust. The method of cleaning pipes will inevitably consume excess materials in parts that are not easy to accumulate dust, resulting in an increase in the cost of the entire air duct cross diversion adjustment cross

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