Generally desanding of large tank adopts manual desanding that requires personnel to enter the tank after shutdown,with high work burden,severe environment ,long shutdown time and low efficienc...

• 介绍了一种利用自由、淹没射流原理清砂的新方法,在罐底部布设带有冲砂孔的管网,以罐区附近消防水作为冲砂动力源,实现了不进罐清砂自动化。