low pressure coal fired hot water boiler

low pressure coal fired hot water boiler

Industrial boiler energy saving measures which are currently the main problems of industrial boilers have low thermal efficiency of boilers, energy can not be effectively utilized, resulting in waste; old boilers, automatic control level is not high, affecting boiler combustion efficiency; energy-saving regulation in place, and many other issues . In order to prevent pollution of the environment, reduce energy consumption, industrial boiler energy saving technical measures as follows: (1) the transformation of coal to the device. The modified ingredients bucket coal to the coal layer, using gravity filtering, the pulverulent raw coal, lump coal from top to bottom on the grate loosely distributed, facilitates air intake, improve combustion, improve the combustion rate of coal, reduced ash carbon content. (2) the transformation of the combustion system. For forward Stoker, the transformation from a combustion system is injected into the furnace in place an appropriate amount of pulverized coal to the furnace in place, so that the combustion grate base layer, the increase amount of suspension firing. (3) the transformation of furnace arch. According coal actually used, appropriately changing the shape and position of the furnace arch, can improve combustion, improve the combustion efficiency. (4) Transformation of grate-fired boiler circulating fluidized bed boiler. Employ a circulating fluidized bed boiler is a pulverized coal boiler in the furnace of the circulating fluidized combustion mode, which is 15-20% higher than the thermal efficiency of the boiler burning layer. For a variety of coal, limestone powder may be used in the furnace desulfurization, greatly reducing the content of the flue gas emissions of S02. Using (5) inverter technology, auxiliary boilers transformation. (6) The automatic control system, real-time adjustment of the heat output of the boiler, to save energy. (7) recovering the condensed water. (8) boiler replacement, replace old boiler with a new boiler. (9) flue gas discharge system reform.

13th of this month, Jiangsu Province, held a working meeting air pollution control, meeting the main objectives and tasks around the year, and plan the next phase of priorities, from morning to promote strict air pollution control this year's tight.

First, in-depth treatment of industrial pollution, dehumidification start off white along the Yangtze River coal-fired power project to promote the electricity, steel, cement, coke, glass, carbon, boilers, furnaces and other key industries the full implementation of the transformation of ultra-low emissions, the province basically completed iron and steel enterprises sintering machine ultra-low emission transformation, cement, coke, glass, carbon industry to achieve the emission limits set provincial requirements.

First, they use coal-fired boiler combustion grate firing combustion, coal by coal conveyor chain grate plane, complete the combustion process in the furnace. They use the gas boiler fuel combustion chamber, the gas is mixed with air in advance is set in proportion to the burner, injected into the furnace through a nozzle, the torch was complete combustion state in the furnace. Second, the automatic control of the force due to coal-fired boilers factors coal, coal seam thickness, the amount of blowing, the wind amount, and the air volume distribution grate speed limit, to be difficult to automatically adjust the operating parameters of the boiler according to the load. And high-quality gas boilers less impact on factors, may be adjusted only according to a load size of the fire burner, easy to achieve automatic control of three, mainly by the combustion products of coal C, H, O, N and other elements, the composition of the ash and water , but not the surface of the mixed ingredients, but a more complex compounds. After the heat released by combustion of coal, oxygen and other sulfide generation by the flue gas into the atmosphere, these gases are very polluting the environment, on human harm. While natural gas used in the gas boiler, the main component is methane gas, and a small amount of non-hydrocarbon gas, generally free of moisture and ash, and thus produce mainly carbon dioxide and water upon combustion emit a lot of heat, compared to coal, hazardous substances is significantly reduced.

The boiler is capable of utilizing coal, oil, gas, electricity can be transmitted to the chemical medium, the pressure vessel is converted to thermal energy or mechanical energy, has been widely used, low pressure coal fired hot water boilers and heating in industrial production is common to provide power type. Hot water boiler fuel can be utilized to heat the water to a certain temperature, or for heating domestic hot water.

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