Online chemical liquid preparation and leakage-proof butt-joint cleaning system for condenser

The invention discloses an online chemical liquid preparation and leakage-proof butt-joint cleaning system for a condenser. The system comprises a multifunctional pipeline system, a liquid medicine mixing tank, dosing equipment and a butt-joint liquid leakage-proof device, the dosing equipment is arranged at the top of the liquid medicine mixing tank; an overflow pipe and a blow-off pipe are respectively arranged at the upper side part and the lower side part of the same side surface of the liquid medicine mixing tank, a first manual ball valve and a first three-way pipe joint are sequentially arranged on the blow-off pipe along the liquid flow direction, and an outlet of the overflow pipe is connected with a third interface of the first three-way pipe joint; the multifunctional pipeline system is provided with three connectors, two connectors are connected with one side face of the liquid medicine mixing tank, and the other connector is communicated with the butt joint liquid leakage prevention device. The d