证券之星消息，根据天眼查APP数据显示联合水务(603291)新获得一项实用新型专利授权，专利名为“一种污水处理用自动控制的活性炭投加装置”，专利申请号为CN202421524812.1，授权日为2025年6月6日。
专利摘要：本实用新型公开一种污水处理用自动控制的活性炭投加装置，包括料斗(1)、螺旋输送机(2)、射流器(3)、在线TOC测量仪(9)和污水处理池(14)；所述料斗(1)形成有第二物料出口端，所述螺旋输送机(2)形成有第三物料入口端和第三物料出口端，所述螺旋输送机(2)的第三物料入口端与所述料斗(1)的第二物料出口端连接，所述螺旋输送机(2)的第三物料出口端与所述射流器(3)的加药口连接。所述活性炭投加装置实现了污水处理时根据水质调控活性炭投加量的作用，有利于推进污水处理的标准化和智慧化进程，而且还减少了活性炭的用量，节约成本。
今年以来联合水务新获得专利授权2个。结合公司2024年年报财务数据，2024年公司在研发方面投入了314.79万元，同比增78.55%。
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