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The boiler has the following characteristics: First, the computer automatically controls and adjusts. Coal powder grinding and conveying, staged combustion, dust removal and desulfurization are all automatically controlled by computer and fully enclosed. The boiler can be used with ignition and can enter normal operation in 30 seconds.
Second, the energy saving effect is remarkable. From the actual operation, the boiler operating efficiency can reach more than 86%, which is more than 20% higher than that of the traditional boiler, and can achieve more than 30% of coal saving. In addition, since the boiler auxiliary system is simplified, the power consumption can be reduced by about 30%.
The third is environmentally friendly. The boiler system is fully enclosed and the fly ash can be collected and collected as a raw material for building materials. By using desulfurization in the furnace or tail dry desulfurization, bag dust removal and other measures, the concentration of sulfur dioxide and soot is less than 150 mg / standard cubic meter, 20 mg / standard cubic meter, which is only the current standard for the emission of atmospheric pollutants from coal-fired industrial boilers. %, 20%, lower than the boiler emission standards of coal-fired power stations, the overall emission level is close to gas boilers.
Fourth, the operating cost is low. According to estimates, the unit investment of the new pulverized coal boiler system is less than 250,000 yuan/steam ton, which is about 1.1~1.4 times that of the traditional boiler, but the total operating cost of fuel, labor and electricity is only about 70% of the traditional boiler. Recover more investment within two years.
At present, the new high-efficiency pulverized coal boiler has been successfully demonstrated in Shanxi Province. Among them, a 4 ton/hour hot water boiler installed by Datong City Procuratorate has been heating up for a heating season, and a 4 steaming station installed at Zhangzhou Teachers College. The ton/hour steam boiler has been stable for one year in the canteen and bathroom.
It was learned from the Energy Bureau of the National Development and Reform Commission that the Coal Science Research Institute successfully developed a new high-efficiency pulverized coal boiler. The boiler has independent intellectual property rights and adopts advanced technologies such as closed operation, automatic control, high-efficiency coal combustion, furnace desulfurization, and small air excess coefficient. The operating efficiency can reach more than 86%, which is more than 30% than conventional boilers.
December 20, 2022