The utility model relates to a device for integrated production of oxidized bitumen and viscosity-reduced residual oil, which comprises an oxidizing reaction tower, a cooling fractionating tower, a water cooler, an oil-water separating tank, a water-sealed tank, a dirty oil tank, a centrifugal pump, valves and pipelines. The utility model adopts the integration of oxidized bitumen and viscosity-reduced residual oil production devices, so as to greatly reduce project investment, realize more flexible control of product categories during the daily operation process, and save much high-grade heat, thereby achieving good effects in low energy consumption and economic benefits.

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