Drainage volume's device is returned to precise measurement fracturing

The utility model provides a drainage volume's device is returned to precise measurement fracturing, the bottom export of main liquid reserve tank is provided with the second solenoid valve, main liquid reserve tank is linked together through first solenoid valve with vice liquid reserve tank, vice liquid reserve tank is connected with and returns the flowing back entry, the vertical direction of main liquid reserve tank is provided with the second level gauge, be provided with second floater and upper and lower touch switch in the second level gauge, the solenoid valve, the upper and lower equal connection director of touch switch, vice liquid reserve tank intercommunication returns the flowing back entry, continuous rising along with main liquid reserve tank liquid level, second floater and the contact of last touch switch, the first solenoid valve of controller control is closed, and the count once, the second solenoid valve is opened, the at this moment vice interim stock solution of liquid reserve tank,