Research on the selection of lift pump for closed drain system
Closed drain systems are commonly used in chemical refineries,oilfield terminals,and other fields.They are mainly used to collect flammable,explosive,and toxic media discharged during the operation or maintenance of equipment,such as dirty oil and wastewater containing chemical media.The system usually consists of drain sump,lift pumps,supporting pipelines,instruments,valves,etc.The function of the lift pump is to transport the medium in the drain sump to the sewage treatment plant or sewage oil storage tank for further treatment.This article will compare different types of lift pumps in order to provide some reference ideas for the design and selection of lift pumps in closed drain systems.
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