Converter waste heat steam power generation and supply system of iron and steel plant

The invention discloses a for converter waste heat steam power generation and steam supply system of an iron and steel plant. The system comprises a converter, a refining VD furnace or an RH furnace, a heating furnace, a steam-water separator, a drain tank, a gas boiler, a steam turbine generator, a drain pump, a converter steam mother pipe, a heating furnace steam mother pipe and a whole plant drain mother pipe. The converter waste heat steam power generation and steam supply system is characterized in that a converter steam outlet is connected with the refining VD furnace or the RH furnace; converter steam is connected to the converter steam main pipe in parallel through a valve; a steam outlet of the heating furnace is connected in parallel to the heating furnace steam header through a pipeline; the converter steam mother pipe and the heating furnace steam mother pipe are connected in parallel through a pipeline and then connected to a steam inlet of the steam-water separator; a steam outlet of the steam-w