| 摘要 |
<p>Device for switching a cracking furnace between production mode and decoking mode, comprises a first shut-off valve (1a) arranged in a transfer line (1) with a first actuating drive, a second shut-off valve (2a) arranged in a decoking line (2) with a second actuating drive, and a quench fitting-unit (3) arranged in the transfer line arranged for rapid cooling of gap gas emerging from the cracking furnace using quench oil. The quench fitting-unit is arranged downstream to the first shut-off device, which is arranged in the transfer line.</p> |
