What kind of dust removal equipment should be chosen for the dust removal of the crusher?
The crushed material into the belt machine, because of the height difference is large easy to produce dust, must cover the discharge chute and into the belt machine or other equipment, and will cover the lower part of the air out of the dust.The ash return pipe of the dust collector must be a little farther away from the exhaust hood, so as to prevent dust from being taken away and to be recycled in the dust collector. The angle between the ash return pipe and the horizontal inclined is about 5Q0, and the material near the belt conveyor makes the dust slide down slowly to prevent the dust from hitting and dropping dust when falling. It is better to install sprinkler in the back of the dust to prevent dust from rising again. If the crusher or hammer crusher is used to break the limestone, because of the rapid operation of the rotor and the hammer head, a larger air pressure is produced at the discharge port, and the phenomenon of dust rising is serious. The method can be provided with a connecting pipe to connect the upper part and the lower part of the crusher, so that a part of the air flow is circulated inside, so as to reduce the air pressure at the outlet.
The dust produced by crushing equipment is caused by the running parts of a block when it is broken.As the size of broken materials is large, there are more coarse particles in the dust, so the crushing of limestone usually adopts cyclone dust collector or diffusion cyclone dust collector. A cyclone dust collector and a two stage water scrubber can be used for the coal fragmentation.
The material is broken before drying and grinding, because the broken material in the drying process increases the heating area, so it can accelerate the drying process of materials. In addition, the efficiency of the crusher is much higher than that of the powder mill, so the material is broken before grinding so as to reduce the particle size of the grinding material, greatly improve the grinding efficiency, and also reduce the consumption of electricity. At present, small cement plant is broken up, including limestone, coal, clinker and so on. The commonly used crushing equipments are frontal crusher, hammer crusher, counter crusher and roller crusher.
