Sand blender used for mixing fracturing liquid can be designed into the style of truck mounted,trailer mounted or skid mounted according to customer requirements,which usually is engineered with automatic mixing control system,tub level auto-control system,liquid additive auto-control system,dry additive auto-control system and discharge auto-control system as well as the sand metering and screwing system.It is equipped with AB computer controlling system with 16 signal input ports including 12pulse signal and 4 current signals and 12output ports for control signals.It is easy for user to get the data of density,slurry ratio,liquid additive instantaneous rate/accumulative total,dry additive instantaneous rate/accumulative total,sand delivery instantaneous rate/accumulative total,suction instantaneous rate/accumulative total and so on. Features Maximumdischargerateofwater-basedsandcontrolfluid:50bbl/min Maximumdischargepressure:100PSI(0.7Mpa) Sand-fluidconcentration:8.3pound(sand)/gallon(water) Sand-transportcapability:35010000pound/min Volumeofsandblendertank396.3gallonsGravelinputmethod:STEPBYSTEPandRAMP