通过对地铁车站传统污水池+污水泵技术、常规密闭水箱污水提升技术、真空污水提升技术的应用情况，结合运营需求，对基于凸轮泵污水提升技术等进行了系统研究分析。从解决痛点(如卫生条件差、清掏费用高)问题出发，以低维护和高可靠性(如高吸程、清底、双液位传感器控制和智能化)为目标，提出采用基于凸轮泵技术的地铁污水提升技术，从而解决污水池清底难题，改善运维条件，降低运维的难题和强度，结果显示整体运行效果良好，同时也给出今后进一步优化应用建议。

Based on the application of the traditional sewage pool + sewage pump technology, conventional closed water tank sewage lifting technology, and vacuum sewage lifting technology in subway stations, this paper presents a systematic analysis of a sewage lifting system that employs a cam pump. The operational demand and the problems associated with pain points (such as poor sanitary conditions and high cleaning cost) are addressed, and low maintenance and high reliability (such as high suction head, bottom cleaning, double-level sensor control, and intelligent operation) are set as the goals. The subway sewage lifting system based on cam pump technology can solve the problem of cleaning the bottom of the sewage pool, improve the operational and maintenance conditions, and reduce the difficulty and intensity of operation and maintenance. Moreover, the overall operational effect of the system is good. Finally, suggestions for further optimization and application are also provided.

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