1.前言滑阀是在流化催化裂化装置运转中起着重要作用的特殊阀门。作为流化催化裂化的代表装置有 UOP、EXXON、KELLOGG、SIPM、TEXACO等各种类型。采用最多的是 UOP 型,其装置的流程如图1所示。图1 流化催化裂化装置(UOP 型)流程操作条件如下:(1)反应器内温度:500℃;(2)反应器内压力:2.9kg/cm~2G;(3)再生器内温度:732℃; 1. Introduction Sliding valves are special valves that play an important role in the operation of fluidized catalytic cracking units. As a representative of fluidized catalytic cracking UOP, EXXON, KELLOGG, SIPM, TEXACO and other types. UOP is the most used type, the device’s process shown in Figure 1. Figure 1 Fluidized catalytic cracking unit (UOP type) flow Operating conditions are as follows: (1) the reactor temperature: 500 ℃; (2) the pressure in the reactor: 2.9kg / cm2G; (3) regenerator temperature: 732 ℃;