Hot air circulating device

Abstract

The utility model belongs to hot -blast circulating device technical field discloses hot -blast circulating device. This hot -blast circulating device includes heater, circulating fan, first air pipe, second air pipe, cylinder, third air pipe, cyclone dust collector and fourth air pipe, and the air outlet of heater is communicated with the first end of first air pipe, and can output heating air, the second end of first air pipe is communicated with the air inlet of circulating fan, the first end of second air pipe is communicated with the air outlet of circulating fan, the material of waiting for heating can be placed in the cylinder, the air inlet of cylinder is communicated with the second end of second air pipe, the air outlet of cylinder is communicated with the first end of third air pipe, the second end of third air pipe is communicated with the air inlet of cyclone dust collector, and cyclone dust collector is configured as removing the sundries in the third air pipe, and the both ends of fourth air pipe are communicated with the air outlet of cyclone dust collector and the air inlet of circulating fan, this hot -blast circulating device avoids sundries to adhere to heater, and heating air circulation is unobstructed, reduces cleaning workload.

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