The main pollutants of coal-firing boilers include dust, sulfur oxide, nitrogen oxide and carbon dioxide.
燃煤锅炉的主要污染物包括粉尘、硫氧化物、氮氧化物和二氧化碳。
2
Homemade equipments were adopted in this line largely, as well as some proprietary and patent technology of NCDRI in firing system, coaldust burner and coal mill system.