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该公司为满足生产发展的需要,对附属于延迟焦化装置的干气脱硫系统进行了改造。其改造内容是:①增设液化石油气脱硫塔,传统工艺的液化石油气脱硫一般在筛板塔中进行,此次改造采用了高效规整填料,并获得成功,②把干气脱硫塔内由原来的浮阀塔改为规整板波纹填料塔,处理能力提高了50％。改造后,该公司共有两套液化石油气脱硫系统,实现了化工和民用液化石油气分开脱硫,改善了生产条件,提高了产品质量。
The company has adapted the dry gas desulfurization system attached to the delayed coking unit to meet the needs of production development. The transformation is: ① additional liquefied petroleum gas desulfurization tower, the traditional process of liquefied petroleum gas desulfurization generally carried out in the sieve tower, the transformation of the efficient use of structured packing, and was successful, ② dry gas desulfurization tower from the original Of the float valve tower to regular corrugated packing tower, processing capacity increased by 50%. After the transformation, the company has two sets of liquefied petroleum gas desulfurization systems, which realize the separate desulfurization of chemical and civil liquefied petroleum gas, improved the production conditions and improved the product quality.