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上海石油化工总厂维纶厂生产线上输送醛化液用的DB150FG-25型离心泵,技术参数是:流量250米~3/时、转速2900转/分、扬程25米,电机功率40瓩。原泵叶轮是用高硅铁铸造的(含硅14～15%),性脆,铸造工艺要求高,铸造过程中易产生冷裂和热裂,成品率低,成本高,而且在安装和使用过程中极易碎裂,影响生产。为此,我所接受了研制塑料离心泵叶轮的任务。塑料和玻璃钢不仅具有优良的耐腐蚀性能,且成型工艺简便,成本较
DB150FG-25 centrifugal pump for the production of hydrofluoric acid solution in the production line of vinylon plant of Shanghai Petrochemical Plant. The technical parameters are: flow rate of 250 m ~ 3 / h, rotation speed of 2900 r / min, lift of 25 m and motor power of 40 瓩. The original pump impeller is made of high ferrosilicon (silicon 14 ~ 15%), the nature of crisp, high casting process requirements, the casting process easy to produce cold cracking and thermal cracking, low yield, high cost, but also in the installation and use Process fragile, affecting production. To this end, I accepted the task of developing plastic centrifugal pump impeller. Plastic and FRP not only has excellent corrosion resistance, and the molding process is simple, more cost