To wash a material to be washed such as a large-sized mat or the like to be easily bent and wrinkled by a large-sized washing and drying device for which a washing tank to be supplied with washing liquid is disposed at the lower part of a washing chamber and the material to be washed is immersed in the washing liquid.
By arranging a reel 15 and rollers 13 and 14 for rotational drive at an upper part inside the washing chamber 2, endlessly connecting and winding the plural materials to be washed and driving the reel 15, immersion in the washing liquid and winding-up from the washing liquid are repeated. In the washing chamber, a hot blast circulation part 5 for drying is provided together. Thus, After the washing liquid inside the washing chamber is discharged, hot blast is circulated and the materials to be washed inside the washing chamber are dried.
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