The DYK air heater, a new air heating systemis used for ash removal system of coal-fired power stations. It's suitable  to heat the gasifying air in the air-activated gravity conveyor, in the electrostatic  precipitator, and in the coal ash reservoir.

空气加热器是供燃煤发电厂除灰系统使用的新型加热设备，适用于电站空气输送斜槽气化风加热、电除尘器灰斗气化风和贮灰库气化风加热等方面。