Control method for preventing dry quenching tank from repeatedly receiving coke

The invention provides a control method for preventing a dry quenching tank from repeatedly receiving coke. The method comprises the following steps of enabling a coke tank to rotate by a control system, judging whether the rotation speed of the coke tank is in a high-speed rotation state or not, and marking that ''the coke tank is at a high speed''; enabling the control system to continuously judge whether the rotation speed of the coke tank is in a low-speed rotation state or not, and marking that ''the coke tank is at a low speed''; enabling the control system to continuously judge whether the rotation speed of the coke tank is stopped or not, closing the band-type brake and marking that ''the coke tank is full''; when the elevator lifts the coke tank and detects that the coke tank is lifted, judging that the coke tank is in an ''empty tank'' state; resetting the marked ''the coke tank is full''; and when the mark that ''the coke tank is full'' is not reset, forcibly resetting the coke tank rotation signal