| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel manufacturing apparatus of an olefin polymer.SOLUTION: A manufacturing apparatus 21 includes: a fluid bed reactor; a reaction stopping gas reservoir 9; a pipe arrangement 15a (reaction stopping gas supplying pipe arrangement) which connects the fluid bed reactor and the reaction stopping gas reservoir 9, and in which at least two cutoff valves 11a, 11b are serially disposed; and a pipe arrangement 16 for gas emission which is connected to a region between the cutoff valves 11a, 11b and has an orifice 13 (contraction part). |
