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从电厂实际使用情况看，由于水泵供水量不足，缺口很大，故对循环水泵进行技术改造，将新叶轮叶片由原泵 的４片增至６片，进口边位置也适当向前延伸，叶轮进口直径适当扩大。从改造后的效果看，基本满足供水量的要 求，经济效益相当显著。
From the actual use of power plant situation, due to lack of water pump, a large gap, so the technical transformation of the circulating pump, the new impeller blades from the original 4 to 6, the import side is also appropriate to extend the forward position, the impeller Appropriate expansion of the import diameter. From the effect of the transformation, basically meet the requirements of water supply, economic benefits are quite significant.