1, dust removal efficiency is high, its efficiency is generally above 99.5%, the high can reach 99.99%;
2. The collection effect of sub-micron dust is very good. The gas dust concentration at the outlet of the dust collector can be less than 30mg/m3, and the good energy can be less than 5mg/m3.
3, the scope of the treatment of gas and dust concentration promised, and dust removal efficiency is not chaotic;
4, is not sensitive to the characteristics of dust (for coal dust, not affected by the specific resistance);
5, equipment is simple, easy to repair, do not need high-tech jobs.
In addition, some other important factors are:
1. Because of the development of science and technology, especially the development of new filter media, the improvement of cleaning technology, and the development of control technology, the bag filter bag life is prolonged, the failure rate is reduced, the ash removal control is reliable, and the scope of use is further expanded. .
2. The progress of environmental protection measures has negated the adoption of high-chimney emission measures. After the power plant adopts low-sulfur coal as fuel, the electrostatic dust collection efficiency is significantly reduced. Although electrostatic dust removal has made a large number of technical improvements in the design of the body and power supply, in order to improve the dust removal efficiency and receive a certain effect or adopt the method of flue gas conditioning to improve the dust removal efficiency, but in order to achieve the same dust removal efficiency, it is environmentally friendly. Emissions scale, investment greatly improved, after comprehensive economic and technical comparison, bag filter is more favorable and more economical.
3, for some special coal ash (such as low-temperature dust removal index is less than 1, the sum of SiO2, Al2O3 content is greater than 90%), electrostatic dust can not be used together
2. The collection effect of sub-micron dust is very good. The gas dust concentration at the outlet of the dust collector can be less than 30mg/m3, and the good energy can be less than 5mg/m3.
3, the scope of the treatment of gas and dust concentration promised, and dust removal efficiency is not chaotic;
4, is not sensitive to the characteristics of dust (for coal dust, not affected by the specific resistance);
5, equipment is simple, easy to repair, do not need high-tech jobs.
In addition, some other important factors are:
1. Because of the development of science and technology, especially the development of new filter media, the improvement of cleaning technology, and the development of control technology, the bag filter bag life is prolonged, the failure rate is reduced, the ash removal control is reliable, and the scope of use is further expanded. .
2. The progress of environmental protection measures has negated the adoption of high-chimney emission measures. After the power plant adopts low-sulfur coal as fuel, the electrostatic dust collection efficiency is significantly reduced. Although electrostatic dust removal has made a large number of technical improvements in the design of the body and power supply, in order to improve the dust removal efficiency and receive a certain effect or adopt the method of flue gas conditioning to improve the dust removal efficiency, but in order to achieve the same dust removal efficiency, it is environmentally friendly. Emissions scale, investment greatly improved, after comprehensive economic and technical comparison, bag filter is more favorable and more economical.
3, for some special coal ash (such as low-temperature dust removal index is less than 1, the sum of SiO2, Al2O3 content is greater than 90%), electrostatic dust can not be used together
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