The invention provides a solar photo-thermal conversion type heating furnace. The solar photo-thermal conversion type heating furnace comprises a fuel and oxygen supply system, a heating furnace body, a dedusting and desulfurization device, a solar heat collection device, an incinerator, a power generator device and the like. An oxygen production unit and a fuel supply pipeline are connected with a burner. The burner is connected with the heating furnace body. The heating furnace body is connected with the single tower dedusting and desulfurization device and a chimney. The heating furnace body is further connected with the incinerator and the power generator device. A heated medium pipeline of the heating furnace body is connected with the solar trough type heat collection device. The solar trough type heat collection device is connected with a heat exchanger. The heat exchanger is connected with the heated medium pipeline of the heating furnace body. A production medium pipeline is connected with the heat exchanger. According to the technical scheme, NOx is effectively prevented from being generated in the burning process, the content of SO2 in smoke is lowered, the heat efficiency of the heating furnace is improved by utilizing solar energy, waste heat and waste gas, and fuel energy consumption is reduced. The purposes of energy conservation and emission and consumption reduction of the industries of petroleum, chemical engineering, oil refining and the like are achieved.