Also, on a hot humid summer day, the "dry" air coming into the drier to replace the wet air is already carrying a lot of water, therefore more exhaust will be required than on a cold dry winter day.

The hot air enters into the bottom of the drier in tangent direction. Under the driving of the stirrer, a powerful rotating wind field is formed.

The advantages of the invention are: 1, a safety disc is provided to prevent clothes dropping on the hot air outlet, so that the consumers can use the laundry drier securely;