粉煤灰是火力发电厂产生的工业废渣，随着我国电力工业的飞速发展，粉煤灰排量日益增加。到２０００年预计全国粉煤灰累计量将达到１３亿多吨，储灰占地将增加到４０多万亩。由于目前粉煤灰在我国尚未得到充分而有效地开发利用，从而导致储灰占地逐年增加，环境污染日益严... Fly ash is the industrial waste generated from thermal power plants. With the rapid development of China’s power industry, fly ash displacement is increasing day by day. By the year 2000, it is estimated that the cumulative amount of fly ash in the country will reach over 1.3 billion tons and the area for storing ash will increase to more than 400,000 mu. Due to the fact that fly ash has not yet been fully and effectively developed and utilized in our country, the area of ​​stored ash has been increasing year by year, and the environmental pollution has become increasingly serious.