Water pipe cleaning method recommended plan of concrete pumps

Before cleaning delivery line, it is best 0.5-1m3 mortar pumping and pumping all after their stop, then flip the switch plate valve, remove the pressure accumulator.

Pipe cleaning, there are two methods, namely washing and gas washing, whether water or air wash, should the valve housing and hopper clean. When washing, it should open the cone and cleaned, then soaked with water and cleaning cement bags tied cylindrical ball has been cleaned the intake cone tube, followed by back taper pipe and tubing, closed Doumen unloading, again hopper filled with water; Concrete pump water until cleaning ball out from the distal end of the delivery tube so far. Washing, requires cutting a gap ring and eye plate should be small, need a lot of water, tightly sealed, so that the cleaning water does not penetrate the ball forward. When washing the end, pay attention to the line in the water, not into the pouring of concrete location via free affecting the quality of the concrete. This method is simple, less dangerous, more commonly used.