The bottom of the water tank is connected with a water return pipe which is provided with a water return valve and is communicated with the steam pipe.
水箱底部连接有回水管，回水管上装有回水阀并且和蒸汽管连通。
Condensate water automatic pump will discharge the condensed water that contained in open water collector into high jump stand condensate water return pipe with possible existence of pressure.
凝结水自动泵把开口集水罐内的冷凝水排入可能有压力的高架冷凝水回液管内。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
Analysis the minimum protection potential value on heat-supply pipeline imposing cathodic protection, determine the pattern of water supply and return pipe imposing cathodic protection.
分析供热管道施加阴极保护的最小保护电位值，确定供、回水管同时施加阴极保护的方式。
A short passage of return pipe on the water discharge pipe may be placed to prevent outside air into evaporator and facilitate the outflow of condensate.
在排水管路上设一小迂回管段，可防止外界空气进入蒸发器内并有利于冷凝水排出。
A short passage of return pipe on the water discharge pipe may be placed to prevent outside air into evaporator and facilitate the outflow of condensate.
在排水管路上设一小迂回管段，可防止外界空气进入蒸发器内并有利于冷凝水排出。
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