Recovery device for low-temperature waste heat in power plant

The utility model relates to a recovery device for low-temperature waste heat in a power plant, in particular to technology for utilizing forward-reverse coupling circulation to realize heat-power combined supply and reduce or even avoid cold-source loss of a steam turbine in the power plant. The recovery device for low-temperature waste heat in the power plant comprises a water-water heat exchanger, a steam-water heat exchanger, an absorption type heat pump and a condenser, wherein the heat supplying end of the water-water heat exchanger is connected with a heating user through a pipeline; a heat producing end of the water-water heat exchanger is connected with the steam-water heat exchanger and the absorption type heat pump through pipelines respectively; the steam-water heat exchanger is connected with the absorption type heat pump and the steam turbine through pipelines respectively; and the absorption type heat pump is connected respectively with the steam turbine and the condenser through pipelines respectively. The recovery device provided by the utility model has the advantages of reasonable structure design, greatly improved heat supply capability, effective utilization of the waste heat, safety, environmental friendliness and reliability.