Medicament-based oil field wastewater treatment system

The utility model provides an oil field wastewater treatment system based on chemicals, relates to the field of oil field wastewater treatment, and aims to solve the problems that when an existing oil field wastewater treatment system is used, in the adding process of powdery chemicals, the phenomena of incomplete dissolution and long dissolution time are prone to occurring, and an auxiliary dissolution mechanism is lacked. Comprising a body, a moving part and a triggering part. Five moving parts are installed on the main body through guide grooves, moving jacking mechanisms are installed in the moving parts, the bottom ends of the moving parts are of conical structures, through grooves which are annularly arranged are formed in the outer sides of the moving parts, a trigger part is installed at the front end of the upper portion of the main body, and a pull groove is formed in the top end of the trigger part. When the medicine dissolving device is used, water enters the liquid inlet groove, so that the water