The main features of the device and EAF dust

EAF flue gas produced has the following characteristics First, complex composition, containing a flammable explosive gas C0; the second is the flue gas temperature is high, large fluctuations, temperature range of 1200 ℃ ~ 1600 ℃; Third soot complex composition, containing a metal oxide, carbon particles; fourth is fine soot particles, the average particle size of less than 10μm. Bag filter mechanism relies mainly on the sieve dust generated during air flow through the filter bag fiber, collision, hook, diffusion, electrostatic and gravitational effect of six kinds of purification, in which the sieving effect based. When the dust clean gas through the filter bag, as will most of the fine dust from the air flow through the mesh bag of coarse dust particles by inertial impaction and interception were delayed. With the dust bag thicker, tiny particles by diffusion, electrostatic and other effects captured by the fibers and produce bridging phenomenon in the mesh, after the formation of the primary layer of dust, play a major role in the filtering. When the pressure differential across the filter bag is large, the system air volume decreased significantly at this time you need cleaning. Belongs to the filter bag house dust collector, the main advantage is the high dust removal efficiency, simple structure, easy to operate, easy to capture the dry dust recycling, no water pollution, the main drawback is the high-temperature filter working temperature must not exceed 260 ℃, should not be used for gas oil, purified water and high humidity, and greater resistance. Long bag pulse jet bag filter works: dusty gas from the intake pipe into the dust and gas tank, filtered air through catchy track after net gas discharge collection box, dust attached to the outer surface of the bag. Intermediate flue gas dust into the dust stream after both inlet manifold through inlet manifold are flow control devices, each chamber and hopper are manifold flow plate, and finally into the dust compartment in each filter. Coarse dust particles in the flue gas after the heavy weight and deflector shunt settling into the hopper, the lower part of the bag house ash discharge device. Fine dust were adsorbed on the outer surface of the bag, the air bag purified into the upper part of the net gas indoor dust and air into the exhaust manifold.