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According to Wang Naiji, director of the R&D department of the institute, pulverized coal is a new type of fuel. The cost is only 1/3 of natural gas and 20% of diesel, and the thermal efficiency is higher than 92%, which is much higher than traditional boilers. The new high-efficiency pulverized coal boiler can reduce 95% of smoke and dust, and the emission of sulfur dioxide is only 1/9 of the national standard. The generated pulverized coal ash can be used as building material recovery, avoiding the problem of the traditional boiler producing large amounts of waste gas and waste slag. In addition, the new coal-fired boiler has a coal saving rate of over 30%. If 70% of the country's industrial boilers are replaced by this, it is estimated that 150 million tons of coal can be saved annually.
The new high-efficiency pulverized coal boiler developed by Beijing Coal Chemical Research Branch of China Coal Research Institute has officially debuted at Chongqing Hi-tech Fair.