| 摘要 |
The invention relates to a fluid catalytic cracking facility having at least one line with a check valve, which is cross-flown by a bulk catalytic material, wherein said check valve is a flap valve (700) having at least one flap (702a, 702b) that can rotate around an axis of rotation (701a, 701b) located laterally relative to a through hole (605) in a cross-sectional plane of the line (600). |
