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。
A method to inspect the leakage of return water of heating water in oil tank is introduced.
介绍了一种储油罐加热盘管泄漏锅炉回水检测技术，给出了其在实际应用中的特定工艺规程。
The present invention provides a method to return P mud to the furnace for yellow phosphorus collection. The method pumps the water-contained P mud into a high-level P mud storage tank.
将磷泥输送回炉以回收黄磷的方法及其装置，该方法是将含水的磷泥泵入高位磷泥贮槽；
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。
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。
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