Using the heat pump equipment to save the energy , not only is advantageous to the energy comprehensive utilization , but also can effectively reduces the air pollution 采用热泵装置节能,不仅有利于能源的综合利用,还能有效地减少大气污染。
The design shall be such that the pumping units will be automatically connected to the discharge piping when lowered into place on the discharge connection 设计时应该规定当将泵装置降低到排泄管连接端口位置上时，泵装置能够自动与排泄管道连接。
Flow circulation and deviation could be eliminated by enlarging the back guide blade outlet incidence , and pump assembly efficiency could be increased by 1 . 6 ~ 2 . 4 percentage points 增大后导叶出口安放角，可以消除环量和偏流，提高泵装置效率1 . 6 ~ 2 . 4个百分点。
Presents the system principle , experimental device and results . further studies the dual - purpose heat pump device supplying hot water and cold air 摘要介绍了厨房排气废热回收热泵的工作原理、试验装置及试验结果，并在此基础上对热水冷风两用型热泵装置进行了研究。
The theoretical and experimental results show that the efficiency of transmission of energy and mass to use pulsed jet is greatly raised , compared with steady jet , in the same device of liquid jet pump 结果表明，在相同的液体射流泵装置上，采用脉冲射流比恒定射流的传能及传质效率有较大的提高。
The pump shall be easily removable for inspection or service without the need for removal of nuts , bolts or other fasteners and without the need for personnel to enter the wetwell 这种泵装置应该易于拆卸，方便检查或维护，在这过程中，并不需要拆卸螺母、螺栓或其它紧固件，也不需要人员进入湿井里。
Each pump shall be fitted with a ( galvanized steel chain , stainless steel cable , or stainless steel chain ) of adequate strength and length to permit raising the pump for inspection and removal 每套泵装置应该配置特制的（镀锌钢链，不锈钢缆索，或不锈钢链）具有足够强度和长度、能够将泵装置提升起来进行检查和拆卸。
The test results signify that the more accuracy result could be obtained to apply the method and the hydraulic losses of the conduits of bulb tubular pump is relative closely to the bulb location 试验结果表明：采用新方法进行贯流泵进出水流道水力损失的测试，可以较为方便地得到准确的结果；贯流泵装置进、出水流道的水力损失与灯泡布置的位置密切有关。
Abstract : the influence of the main factors on device efficiency of pulsedliquicd jet pump with gas - liquid piston is analysed , the theoretical equation and its time - averaged solution of pulsed liquid jet pump device efficiency are derived 文摘:对影响气液活塞式脉冲液体射流泵装置效率的主要因素进行分析，导出了脉冲液体射流泵装置效率理论方程及其理论方程的时均解。
Results indicate that flow deviation in discharge passage is formed by co - action of pump outflow circulation and secondary flows in outflow curved pipe , hydraulic loss of discharge passage increases and pump assembly efficiency decreases because of flow deviation 结果表明：水泵出流环量和出水弯管二次流共同作用形成了出水流道偏流，偏流使出水流道水力损失增大，泵装置效率下降。
