POWDER AND GRANULAR BODY TRANSPORTING PIPE FOR TRANSPORTING POWDER AND GRANULAR BODIES BY USE OF GAS

摘要

PROBLEM TO BE SOLVED: To prevent the occurrence of dust, film shaped foreign matters and the like when powder and granular bodies are transported by use of gas. ;SOLUTION: Let a gas flow in a spiral shape be generated in the inside of an outlet side pipe 11 along the inner surface of the outlet side pipe 11 by feeding gas or gas containing powder and granular bodies into the outlet side pipe 11 out of an inlet side pipe 3, and by carrying powder and grader bodies along the aforesaid gas flow in a spiral shape, let powder and granular bodies be fed as if they were rolled in along the inner surface of the outlet side pipe 11, so that powder and granular bodies are thereby prevented from cooling against the inner surface of the outlet side pipe 1 to the utmost.;COPYRIGHT: (C)1997,JPO