Why incinerators need to set the primary air and secondary air

The incinerator needs to set the primary and secondary air, because the primary air from the lower part of the grate into the furnace chamber for the ignition, the secondary air from the upper part of the grate to disturb the airflow to make the combustion more complete.

The incinerator is commonly used in medical and household waste, animal harmless treatment of a harmless treatment equipment. The principle is to use coal, fuel oil, gas and other fuel combustion, the object to be dealt with high-temperature incineration carbonization, in order to achieve the purpose of disinfection.