| 摘要 |
PROBLEM TO BE SOLVED: To provide a waste incinerator allowing low air ratio combustion.SOLUTION: A waste incinerator includes a drying fire grate 11a, a combustion fire grate 11b, and an after-combustion fire grate 11c sequentially in a main combustion chamber 11 lower part, and is provided with a primary air supply means 21 for supplying primary air from an under side of the drying fire grate 11a and the combustion fire grate 11b, and a secondary air supply means for supplying secondary air to a secondary combustion chamber 12, and the secondary air supply means includes a secondary air main supply means 31 for supplying main secondary air to the secondary combustion chamber 12 at a fixed supply amount, and a secondary air sub-supply means 25 for supplying one part of air taken in by a blowing means of the primary air supply means as secondary sub-air, to the secondary combustion chamber. |
