First, prepare the concrete hose
Before pumping concrete, it is essential to pump some mortar through the concrete hose to lubricate it. Continue this process until the mortar is fully output from the end of the pipeline. This step cannot be skipped. Alternatively, a concrete pipe moisturizer can be used instead of mortar. It offers the advantages of being more convenient, quicker, and more cost – effective.
Second, inspect the concrete
Thoroughly check whether the concrete meets the quality standards. Additionally, look for large particles and signs of segregation. In case any issues are detected, address them promptly to avoid problems during pumping.
Third, connect the delivery pump pipe properly
When connecting the delivery pump pipe, place a sealing rubber ring at the interface. Then, use appropriate tools to tighten the pipe clamp securely. By doing so, you can effectively prevent blockages caused by air leakage and slurry leakage.
Fourth, clean the concrete pump pipe after use
Once the pumping work is completed, clean the concrete pump pipe without delay. A cleaning ball is an excellent tool for removing the remaining concrete inside the pump pipe. This simple action can prevent the concrete from solidifying and causing blockages in the pipe.
Fifth, monitor the pressure closely
Operators must keep a constant eye on the pressure dial. If there is a sudden increase in pressure, immediately stop the pump and perform a reverse pump operation. Repeat this process three times. This can often clear small – scale pipe blockages.
Finally, optimize pipe usage
When using towed pumps or vehicle – mounted pumps, it is advisable to use as many straight pipes as possible. Using elbow hoses increases the internal resistance within the concrete pipe. As a result, it becomes more prone to blockages, so it’s best to minimize their use.