| 摘要 |
The invention relates to a fluid catalytic cracking installation comprising at least one line through which a bulk material-like catalyst material flows and comprising a check valve. According to the invention, the check valve is a flap valve (300) which has at least one flap (302a, 302b) that can pivot around a rotational axis (301a, 301b) situated to the side of a passage opening (205) and in a cross-sectional plane of the line (200). |
