1. Dust collector machine is relatively low cost, relatively easy maintenance, simple structure of the device can be high temperature, but below 5μm particle removal efficiency is not high. Wherein the cyclonic machine 5μm above the dust collection efficiency up to 95%, so often as a secondary dedusting system in pre-dedusting, pneumatic conveying systems discharge separator.
2. Wet dust precipitator machine water as the medium, the collection efficiency is generally up to 95%. Among them, the Venturi dust collector for fine dust collection efficiency up to 99%, but high energy consumption. Wet dust collector can handle high temperatures, high humidity and dust flue gas with a certain degree of strength, but also to purify certain harmful gases, such as water film cyclone dust collector and a wet desulfurization tower. Its main drawback is that will produce waste water, water treatment facilities must be equipped to eliminate the secondary pollution. Secondly, the corrosion of equipment must be noted that, in cold regions to take freezing measures; when handling hot flue gas, the formation of white smoke is not conducive to the spread. Wet dust is also suitable for purifying flammable gas, such as gas purification.
3. The cartridge dust collector dust removal efficiency of up to 99%, to meet environmental requirements; also can better adapt to the fluctuations in the amount of exhaust; more economic value when recovering valuable fines, but the higher initial investment . Dust collector bag commonly used in the kiln dust or fume or dust powder transport air purification. More used in metallurgy, cement, chemical industry, light industry, gas purification, air flow without restrictions.
4. An electrostatic precipitator has been widely used as a variety of large-scale thermal power station boiler and furnace dust removal equipment, can handle high temperatures, high humidity smoke. Its high collection efficiency up to 98%; handle large amount of wind; low running resistance. But its structure is complex, high initial investment, large area of operation, operation, maintenance and management requirements, and more sensitive to dust resistivity.
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