重油催化裂化装置小型自动加料器的改进

根据加料时U型管压力平衡的原理，对第三套重油催化裂化装置小型自动加料器实施了简易改造。4年多的生产运行表明，小型自动加料器流程简单，操作方便，功能齐全，加料平稳，耐用性高，故障率低，便于维护，投资少，维护费用低。说明技术改造和工程设计是成功的。

Improvement on small automatic feeding equipment of the resid catalytic cracking unit

The small automatic feeding equipment of third RFCCU is simply remade based on the U tube pressure equilibri- um principle.Productive operational data for four years show that the small automatic feeding equipment after remade possesses a lot of advantages such as simple technological process,perfect functions,feeding smooth and steady,durable,service and maintain easily,lower cost in operation and maintain.These demonstrate that the technology revamping state-of-the-art and en- gineering design are success...