classification of industrial dust vacuum is mainly widely used in mining, cement, metallurgical steel, grain, machinery and other industries, in the power industry thermal power plant in the single cloth bag dust collector in the coal transport system dust removal, pneumatic dust removal application. The cloth bag type dust collector has no substantial general application in the tail dust removal of power station boiler. However, with the increasing production technology of bag filter and other accessories, the factors that failed to classification of industrial dust vacuum in the application of flue gas dust removal in coal-fired boilers are gradually being solved, and the opportunity for the promotion and application of bag filter is becoming more and more mature. At present, two kinds of dust removal equipment are electrostatic precipitator and cloth bag type dust collector.

The compressed air device includes gas storage tank, air compressor station, pipeline pneumatic triplet, etc. For classification of industrial dust vacuum, there are gas bag, spray pipe and so on. The dust cleaning power source comes from compressed air, compressed air equipment usually adopts oil-free compressor or ordinary compressor refueling and dewatering device, however, in order to determine the quality of compressed air, the design of compressed air station should be as close as possible to the dust collector, The condensation of the pipeline is avoided to produce water vapor, and the compressed air station is used as much as possible for the large pulse dust collector to determine the stability of the compressed air pressure. If it is not possible to design the air compressor station or the air compressor station is not close to the dust collector, the compressed air storage tank should be set near the dust collector equipment, so that the pressure of the compressed air source can be stable, on the other hand, the condensed water generated on the compressed air pipe can also be periodically discharged through the valve at the bottom of the compressed air tank, and the quality of the dust cleaning gas source of the pulse dust collector is determined.

It is difficult to deal with adhesive and solid dust, and it can not remove the gas composition of dust-containing gas, tar composition, oil composition, sulfuric acid fog and other pollutants together, otherwise the dust collector cloth bag will show a hard shell like caking, resulting in the filter bag plugging. Is the classification of industrial dust vacuum failure. The classification of industrial dust vacuum filter bag can be pre-coated by adding appropriate filter aid to remove solid, liquid and gas three-phase pollutants. The presentation of the pre-coating classification of industrial dust vacuum opens up the scale for the use of classification of industrial dust vacuum. The classification of industrial dust vacuum by adding a pre-coating to the filter bag to trap solid and gaseous pollutants is called the classification of industrial dust vacuum.

classification of industrial dust vacuum The working temperature is high, the processing air volume is small, the equipment is simple, and it is easier to avoid the cooling and condensation of the smoke. It is necessary to determine the proper working temperature of flue gas dust removal to maintain good filtration conditions and extend the life of filter bag. The strength of all kinds of filter cloth varies with temperature, humidity, running time and other factors. When purifying high temperature flue gas, it should be based on the heat resistance of the filter cloth and the composition of the flue gas. The normal normal temperature dust containing air dust removal, only humidity is a problem, but it is only to prevent bright water from entering the dust removal system, often relatively simple. For high temperature flue gas dust removal, it is necessary to control the high temperature of the flue gas to prevent burning the filter cloth, and to control the low temperature to prevent condensation and corrosion of the flue gas in the classification of industrial dust vacuum purification process, as long as the filter cloth is not afraid of temperature conditions allow, the flue gas temperature should be as high as possible. In order to keep the dust collector inside dry, normal cleaning, so as to create good operating conditions.

The classification of industrial dust vacuum is composed of a box, a filter bag room and a lower ash hopper. The main difference between the pre-coating classification of industrial dust vacuum and the old-fashioned classification of industrial dust vacuum is that it is equipped with active filter feeding equipment. Before filtration, the filter aid feeding equipment actively applies the filter aid on the surface of the filter bag, so that the inner surface of the filter bag constitutes an outstanding pre-coating. The pre-coating is composed of a filter aid attachment layer and an auxiliary filter layer. In addition, the filter aid can be added to the pipe before the dust collector to increase the reaction time between the filter aid and the pollutant. During filtration, the dust-containing gas with gas and liquid phase pollution enters the pre-dust collector to remove the coarse dust, and the dust that is not captured enters the filter bag room of the classification of industrial dust vacuum with the air flow. When passing through the filter bag, the dust is trapped on the pre-coating on the inner surface of the filter bag. The purified gas is discharged by the fan.

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