Treatment system for polymethoxy dimethyl ether salt-containing wastewater

The invention discloses a treatment system for polymethoxy dimethyl ether salt-containing wastewater. The treatment system comprises an I-effect evaporating heater, an I-effect evaporating separationchamber, an II-effect evaporating heater and an II-effect evaporating separation chamber, wherein an I-effect separating pipe is arranged between a discharging opening in the top end of the I-effect evaporating heater and the side wall of the I-effect evaporating separation chamber in a communicating manner; an I-effect circulating pipe is arranged between the bottom of the I-effect evaporating separation chamber and the bottom end of the I-effect evaporating heater in a communicating manner; a wastewater inlet pipe is communicated with the side wall of the I-effect circulating pipe; an II-effect separating pipe is arranged between a discharging opening in the top end of the II-effect evaporating heater and the side wall of the II-effect evaporating separation chamber in a communicating manner. The processing syst