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DHS High Efficiency Coal Fired Boiler

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  • Aug
    20
    What is the reason for water in the steam at the outlet of the steam boiler?

    When the steam boiler produces saturated steam, due to some reasons of the steam boiler itself, the steam contains water, resulting in insufficient dryness of the steam and water in the saturated steam. In this paper, Jiangsu Sifang boiler briefly analyzes the main reasons.The main reasons are as fo

  • Aug
    18
    How to effectively deal with the problem of boiler economizer?

    The economizer of the boiler is generally arranged in the tail flue, and the flue gas temperature is low. When the industrial boiler is started or operated under low working conditions, it is easy to cause the flue gas temperature to be low, thus causing low-temperature corrosion of the tail heating

  • Aug
    19
    How to choose the wear-resistant material for the separator of circulating fluidized bed boiler?

    In recent years, with the expansion of coal application scope and the enhancement of people's environmental protection awareness, circulating fluidized bed boiler, as a main "clean combustion" device, has been widely used, which shows its strong development momentum. For the selection of wear-resist

  • Aug
    22
    What are the "metal properties" often mentioned in the boiler manufacturing process?

    Established in 1998, Jiangsu Sifang Boiler Co., Ltd. is the first ASME accredited special equipment manufacturing enterprise of China Special Equipment Inspection and Research Institute. Through technological and innovative development, our company has become the leading boiler industry in China.The

  • Aug
    24
    Why do analog signals use 4-20mA current transmission?

    In view of this problem, Jiangsu Sifang boiler suggests:1) When the distance from the site to the control room is long and the resistance of the connecting wire is large, if the voltage source signal is used for remote transmission, a large error will occur due to the voltage division between the wi

  • Aug
    25
    What is a PCV valve? What is the role?

    In response to this question, Jiangsu Sifang boiler replied:The PVC valve is mainly opened automatically according to the set pressure when the main steam pressure is high. The function is direct. The superheated steam is directly discharged to the atmosphere without temperature reduction. The metho

  • Aug
    30
    What is the negative pressure of boiler furnace?

    We have the manufacturing license of Class A boiler and Class A1 pressure vessel, ASME certification qualification, boiler installation, alteration, repair and maintenance license, and have passed IO9001 quality management system certification, ISO14001 environmental management system certification,

  • Sep
    02
    What is boiler water

    The water and steam system of the boiler and its thermal cycle equipment includes a series of equipment pipes and their evaporation heating surfaces flowing from the raw water into the boiler, and the steam system of the superheated heating surfaces and their steam consuming equipment flowing from t

  • Sep
    03
    Main classification and generation principle of NOx

    ① Thermal typeThermal NOx is mainly generated during combustion. Nitrogen in combustion supporting air is oxidized under high-temperature flame. It is mainly generated in the area with temperature higher than 1800K. Temperature, excess air coefficient and residence time in high-temperature zone will

  • Sep
    05
    Phenomena and main causes of economizer damage

    A) phenomenon of economizer damage accident (1) the water level of the drum drops abnormally, the water supply volume increases significantly, and is larger than the steam volume, and the water pressure at the economizer inlet decreases; (2) The exhaust gas temperature decreases and the water temper

  • Sep
    06
    Natural gas low nitrogen combustion technology

    NOx generation of natural gas boiler is mainly thermal NOx, which can be controlled by controlling combustion temperature. The main control methods are as follows:A) staged combustionStaged combustion refers to the combustion technology in which the air and fuel required for combustion are fed into

  • Sep
    07
    What are single impulse regulation and three impulse regulation of boiler water level?

    In the process of boiler water level control, the adjustment method that takes the drum water level as the feedback signal is called single impulse adjustment of boiler water level. Single impulse water level control is the simplest and most basic form of boiler drum water level automatic control.Th

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