Condensing heat exchanger for dimethyl carbonate production

The utility model relates to the technical field of condensers, and provides a condensing heat exchanger for producing dimethyl carbonate, which comprises a horizontal tank body, a liquid inlet is arranged at the upper part of the horizontal tank body, a liquid outlet is arranged at the lower part of the horizontal tank body, and a cooling cavity for cooling water to circulate is formed in the horizontal tank body; a mixed steam cooling device is arranged in the horizontal tank body; the mixed steam cooling device comprises a cooling coil pipe arranged in the horizontal tank body, the cooling coil pipe is arranged in the cooling cavity from bottom to top in a broken line shape, high-temperature mixed steam can flow in the tank body in a reversing mode for multiple times, the heat exchange area in the tank body is greatly increased, and the cooling effect is good. The equipment is simple in structure and convenient to operate, gas-liquid separation can be finally realized, the treatment effect is good, and the