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Fault analysis and treatment of GD tubular electrostatic precipitator in power plant

  • Publisher: Yan Wenhua

    Release date: September 7, 2020
  • Power plant GD Failure analysis and treatment of tubular electrostatic precipitator

    GD Type series Tubular electrostatic precipitator In addition, it is more reliable to set up a special electric field at the entrance of Xi'an electric field collector, which is more reliable for the research of heavy-duty electric field. It is easy to install, adjust, maintain and use. It is an ideal dust removal equipment for small and medium-sized enterprises.

    Scope of application

      1 Industrial and heating coal-fired boilers, heavy oil fired boilers.

      2 Building materials: dry and wet cement rotary kiln, mechanical shaft kiln, raw and Clinker Mill, raw material dryer and cement packing machine.

      3 Nonferrous Smelting: sintering of copper, lead and zinc, copper smelting furnace, electric arc furnace, reverberatory furnace, etc.

      4 Metallurgy: iron ore sintering machine (head and tail), blast furnace, open hearth furnace, coke oven, converter, electric arc furnace and refractory industry.

    Selection instructions

    Specific resistance of dust the specific resistance of the tubular electrostatic precipitator is 104-1012 Oumu · Centimeter. This series of electrostatic precipitator can be selected for the dust within this range. For the dust beyond the scope, electrostatic precipitator is not selected, but bag filter or cyclone dust collector can be used. If the user uses the electrostatic precipitator, the flue gas conditioning equipment can be added before the electrostatic precipitator, or contact our company to discuss the treatment.

    Power plant GD Failure analysis and treatment of tubular electrostatic precipitator

    Wind speed of electric field

    The recommended wind speed of electric field is 0.5-1.6m/min When the specific resistance of dust is higher or lower, lower wind speed should be selected.

    Common dust specific resistance can be found in various professional manuals. But, because the nature of gas is changeable. The specific resistance of the same dust will change greatly under different meteorological conditions, humidity and temperature. Therefore, the reliable way is to measure the dust.

    Inlet dust concentration

    The equipment entrance standard is generally no more than 35g/m3 When the concentration is greater than 35g/m3 Special design scheme can be used to solve the problem.

    Treatment efficiency

       GD Tubular electrostatic precipitator Efficiency in design 95-95.5 Within the scope of. The treatment efficiency should be determined according to the national emission standard. On the premise of meeting the emission standards, the lower efficiency should be selected as far as possible.

    GD Characteristics of series tubular electrostatic precipitator :

    one Dust collection Dust collection by eight hundred and twenty-six Compared with the rigid type, the dust collector has better resistance to temperature

    Dust removal, large.

    two Corona wire No matter how long the corona wire is, it is composed of a steel pipe, and there is no bolt link in the middle, so the broken wire fault occurs.

    three , discharge needle : Stainless steel material, riveted on the corona line, the occurrence of needle drop fault.

    four 3 It is the design of tubular electrostatic precipitator

    one Under the same size, the dust collecting area is increased, especially the dust collecting area with positive charge, and the corona line is enlarged.

    two A uniform electric field is added between the dust collection and corona discharge, so as to improve the driving speed of charged dust and the dust removal efficiency.

    three It can overcome the occurrence of anti corona phenomenon caused by corona blocking, so that the specific resistance of dust treatment by dust collector can be expanded to one thousand and twelve Ohm is about one centimeter.

    GD The tubular three electric structure adopted by the series tubular electrostatic precipitator has wide adaptability to the captured powder. At the same time, appropriate pre charge is added at the entrance, which can achieve high dust removal efficiency with short electric field, and the whole electric field is firm.

    Power plant GD Failure analysis and treatment of tubular electrostatic precipitator

    Tubular electrostatic precipitator The specific resistance of medium dust is an index to evaluate the conductivity, which has a direct impact on the dust removal efficiency. If the specific resistance is too low, it is difficult to keep the dust particles on the dust collector, which will lead to the return of the gas flow ; When the specific resistance is too high, the charge of dust particles reaching the dust collector is not easy to discharge, and the formation of voltage gradient between dust layers will produce some dangerous phenomena such as partial breakdown and discharge. These conditions will reduce the efficiency of dust removal. The performance of the dust remover is mainly affected by three factors, such as dust properties, equipment structure and flue gas flow rate, which should be paid more attention to when using.

    Tubular electrostatic precipitator is easy to install, adjust, maintain and use. It is an ideal dust removal equipment for small and medium-sized enterprises. The tubular three electric structure has a wide adaptability to the captured powder. At the same time, a proper pre charge is added at the entrance, which can achieve high dust removal efficiency with a short electric field, making the whole electric field firm and low.

      Hebei Shouyang environmental protection equipment Co., Ltd. has been committed to the research, development, installation and production of environmental protection dust removal, waste gas, desulfurization and denitrification engineering equipment for many years Boiler dust collector At the same time, our company produces dust removal accessories, such as bag filter, dust collector, cyclone, wet electrostatic precipitator, electrostatic precipitator and waste gas deodorizer. At the same time, our company produces dust removal accessories such as bag filter, dust collector framework, pulse solenoid valve, pulse controller, unloader, gate valve, conveyor, elevator, etc, It has been highly praised by industry insiders and customers,

    If you want to know the detailed quotation of dust removal equipment, please call our hotline: 13833732444. Shouyang environmental protection equipment is affordable, and various specifications and models can be customized on demand
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