GARBAGE DRIER AND GARBAGE DRYING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a compact and inexpensive garbage drier with less fuel consumption. SOLUTION: This drier 6 is provided with a rotatable inner cylinder 32 and an outer cylinder 33 surrounding the inner cylinder 32. The outer cylinder 33 has hollow double tube structure comprising an outer wall 33a and an intermediate wall 33b. A first steam passage 51 is formed inside an inner wall 32a of the inner cylinder 32. A garbage passage 52 is formed between the inner wall 32a and intermediate wall 33b. A second steam passage 53 is formed between the intermediate wall 33b and outer wall 33a. Spirally disposed multiple blades 70 are provided on the outer periphery of the inner wall 32a. High temperature steam from a boiler is supplied to the first steam passage 51. Steam generated from garbage in the garbage passage 52 is heated and supplied to the second steam passage 53. COPYRIGHT: (C)2006,JPO&NCIPI