Coal-fired boilers, fuel shots are fired, coal in the combustion chamber after the combustion heat release, the heating medium water or other organic heat (e.g., heat transfer oil, etc.) heated to a temperature (or pressure) of the thermal power plant. Coal is our energy use accounted for first, with a mature mining, transportation and sales channels, and the price is relatively low; but it also has many defects, low efficiency, resource utilization imbalance, burning emit large amounts of carbon dioxide and other harmful gases and dust, the larger impact on the environment pollution and high environmental costs.
What anti-corrosion measures SZS water-tube boilers are divided into specific fire-tube boilers and water tube boiler structure according to the classification of the boiler body, according to the type of boiler fuel classified as a coal-fired boiler, oil boiler, gas boiler. Process boiler operation will have a certain degree of corrosion. Found sulfide under high temperature conditions, the flow of chloride ions and high temperature flue dust contained in the friction member is the main cause of corrosion of the boiler. A, for water-tube boilers, corrosion occurs primarily at the water wall or furnace wall, the temperature is higher. In particular, severe corrosion, heat utilization is low, less than 50% thermal efficiency. High temperature coating far-infrared radiation, high temperature up to 1700, may be maintained at a high temperature high emissivity, holding about 0.9, dense coating, excellent corrosion resistance. Second, for the fire-tube boiler, the corrosion occurs mainly on the water wall. Corrosion of high temperature oxidation and corrosion of various impurity ions sulfur, chlorine, fluorine ion etching, and abrasion dust in the flue gas. Can effectively increase the boiler water wall heat exchanger, the temperature of the water wall tubes can be reduced, slowing the rate of corrosion. Third, the external boiler, security risks caused by high temperature oxidation corrosion and high-temperature operating environment is client concerns, has a low thermal conductivity, purely inorganic coatings, environmental protection, can effectively prevent heat conduction, that is, to avoid the heat energy waste is also working to reduce the security risk operating environment. Fourth, the exhaust heat boiler, the flue gas condensation by corrosion is mainly caused by friction and dust. And flue gas heat exchanger during brushing energy corresponding high temperature coatings, protective substrate, extend the life of the substrate, saving energy resources, greatly reduce costs.
Gas Steam Boiler non-normal stall, a phenomenon and treatment, flame reasons: 1, the operation of the auxiliary power supply or trip interruption. 2, boiler combustion instability. 3, the load is too low, so that the load sharply mill automatic ignition energy loss or failure of combustion. 4, mutant coal, coal volatile or low calorific value. 5, the automatic combustion flame detector failure or failure caused by tripping mill. 6, or blast furnace wall tubes serious improper boiler soot-blowing operation, a large amount of water vapor into the combustion chamber. 7, coal pulverizing system, fuel system failure, resulting in a significant amount of fuel reduction or interruption. Or with a large amount of water in the fuel oil gun blocked too many impurities, low pressure steam or atomized. Second, the phenomenon: 1, a significant increase in furnace pressure, furnace flame monitoring flameless CRT display. See the fire no fire hole, BTG warning window MFT warning lights. 2, the unit load decrease, the steam flow drops rapidly, each segment working medium temperature, the vapor pressure decreases, the value of oxygen surge. Third, the method of treatment: 1, if the MFT tripping protection, should an emergency shutdown processing, stop the supply of fuel. 2, identify the cause flameout, and try to eliminate, to conduct a comprehensive inspection of the boiler, after confirming the device properly, can restart.
State all the more attention to environmental protection, to provide more excellent atmosphere, we respond positively to the country's environmental protection, promote the boiler from coal to gas project. Among the many boiler suppliers, we chose the fast boiler. First, the party quickly done very well in terms of cleaning the boiler, the second is fast side also very comprehensive after-sales involved. The optional gas boiler was used after running fully meet the needs of our pharmaceutical production, both energy-saving and environmental protection, but also a very high thermal efficiency, saved us a lot of fuel costs. --customer feedback
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