循环泵指装置中输送反应、吸收、分离、吸收液再生的循环液用泵。它的扬程较低，只是用来克服循环系统的压力降。可采用低扬程泵。循环泵是指泵的作用而言，离心泵是指泵的结构而言，两者完全是两个概念。循环泵的工作原理要将水循环起来所用的泵就叫循环泵，例如水暖供热管道中的热水是靠循环泵循环起来的。
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... reciprocating cycle 往复周期 reciprocating pump 循环泵 reciprocating saw 滑座式锯 ...
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恒温循环泵 Constant Temperature Circulator ; Constant Temperature
再循环泵 recirculating pump ; recycle pump ; pump recirculating ; recycling pump
热水循环泵 hot water circulating pump ; wilo ; hot water circulator ; hot water regulating pump
主循环泵 main circulating pump ; Primary Circulating Pump ; main circulator
备用循环泵 stand-by circulating pump ; by circulating pump
辅循环泵 auxiliary circulating pump
锅炉回水循环泵 boiler return circulating pump
原汁循环泵 raw juice circulating pump
除氧器循环泵 deaerator recirculating pump
向系统中填充去离子水并用循环泵测漏。
Fill system with Dl water and perform leak test with circulation pump.
吸收塔配有四台再循环泵和相应的联箱。
The absorber system is equipped with four recirculation pumps, which feed the corresponding headers.
氨液循环泵由齿轮泵改为高速泵，效果较好。
Using high speed pumps to replace gear pumps for ammonia recycling, satisfactory results were achieved.
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