由于拱顶油罐的罐顶与罐壁设计为弱连接，在蒸汽吹扫作业中，易发生罐顶爆裂事故。
The tank top to tank shell of dome roof tank is a thin-connection structure and is easy to crack during vapor purging.
气体脱硫装置在停工处理过程中，通常采用传统的先蒸汽吹扫，后用热水冲洗的方法，但是效果总是不理想。
When sour gas desulfurization plant was shut down, its treatment process usually adopts it is blown by steam, then washed by hot water, but its effect always is not good.
滤饼含湿量、滤饼中杂质含量、吹扫气流量、 停留时间、滞留体积、出料旋转阀能力、蒸汽列管间距和加热板温度等。
The primary factors are filter cake moisture content, impurity content in cake, purge gas flow, residence time, holdup volume, the distance among steam tubes and the temperature of heater plate.
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