Dust coating of dust skeleton dust coating
With the electrostatic spraying of powder coating, the high pressure produced by the front end of the spray gun is added to the high voltage electrostatic generator. Due to the corona discharge, the dense charge is produced near it. The powder is formed by the powder from the gun nozzle. Gradually increasing, the accumulation of charge is more and more, when a certain thickness is reached, the electrostatic repellent will not continue to adsorb, so that the whole dust skeleton can be coated with a certain thickness, and the powder is fused, leveled and solidified through high temperature, and a hard coating is formed on the surface of the dust skeleton. For harsh power plants, waste incineration plants and other harsh industries, carbon steel is used as raw material, and pure imported organic silicon powder is used for electrostatic spraying on the surface. The cost of this dedusting framework is much lower than that of stainless steel bags, and its corrosion resistance and high temperature resistance are good.
The pure epoxy powder as the coating can withstand acid and alkali, but the price is expensive, and the temperature resistance is poor. It is not suitable for long time use in the high temperature environment. After the spray vibration, it is easy to appear coating aging and cracking. After the crack, the angle of the dust removal skeleton will break the cloth bag and shorten the life of the bag.
The dust skeleton is the rib of the filter bag. It should be light and easy to install and maintain. The quality of the frame directly affects the filtering state and service life of the filter bag. The natural granite is used to process the circular curved plate through mechanical processing. The whole structure is smooth and smooth. It has the characteristics of corrosion resistance, abrasion resistance and high temperature resistance. The exterior is poured with high strength and high temperature resistant and alkali resistant materials. The strength and life span of the equipment are greatly enhanced by the outer protective steel plate of the barrel equipment. The body uses 1 meters per section structure, the joints have concave and convex joints at each joint, and the joints are connected with furan resin or acid alkali glue mud at the joint to ensure that the connection is not leaky; overcoming the common faults of the seeping and air leakage of the original granite duster. The upper sink. For the ceramic structure, the ceramic dust collector ensures no water leakage in the water supply process, avoids the seepage setback of the original granite duster water trough, and strengthens the use effect of the dust collector. The simple installation is 1 meters per day, and the site can be installed for half a day, reducing the construction period.
(1) the influence of the size of the dust skeleton: in the geometric size of the dust skeleton, the diameter of the dust skeleton, the inlet of the gas and the shape and size of the exhaust pipe are the most important factors.
(2) the influence of gas parameters on the performance of the dust removal framework, including the influence of gas flow, the influence of the concentration of the gas, the influence of the moisture content of the gas, the influence of the density, viscosity, pressure and temperature of the gas.
(3) the effect of the physical properties of dust on the dust skeleton
(4) the influence of the roughness of the inner wall of the dust skeleton: the dust particles concentrated near the wall will cause a swirling flow caused by the rough surface, so that some dust particles are thrown into the rising air and into the exhaust pipe, which reduces the efficiency of the dust removal.
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