Equipment for producing polyol by utilizing steelmaking blast furnace gas

The utility model discloses equipment for producing polyol by utilizing steelmaking blast furnace gas. A fine desulfurization column is communicated with a compressor; the compressor is communicated with a heat exchanger and is communicated with a low-temperature air inlet of a polyol heat exchanger; a high-temperature gas outlet of the polyol heat exchanger is communicated with a polyol synthesiscolumn; the polyol synthesis column is respectively communicated with a high-temperature gas inlet of the polyol heat exchanger and a circulator; the circulator is communicated with the polyol synthesis column; a low-temperature air outlet of the polyol heat exchanger is communicated with a water cooler; the water cooler is communicated with a polyol separator; the polyol separator is communicated with a membrane separator; a polyol outlet of the membrane separator is communicated with a rectifying column; a methanol outlet of the rectifying column is communicated with a methanol water cooler; an ethanol outlet of th