望亭电厂砌块厂充分利用粉煤灰等工业废料达85%左右,30多年来,经济社会效益显著。但两年来,粉煤灰密实砌块的生产成本却随着原材料价格的不断上涨而提高。其中主要原料石灰近二年上涨50%以上,石灰在砌块成本中已由原来的30%上升至40%左右,直接影响到扩大生产。为了降低生产成 Wangting Power Plant Block Factory makes full use of industrial waste such as fly ash, which is about 85%. In more than 30 years, the economic and social benefits have been remarkable. However, over the past two years, the production costs of fly ash compact blocks have risen with the continuous rise in raw material prices. Among them, lime, which is the main raw material, has risen by more than 50% in the past two years. Lime has risen from the original 30% to about 40% in the cost of the block, directly affecting the expansion of production. In order to reduce production