Boiler water supply system of heat station

The utility model discloses a heat station boiler water supply system which comprises a first-stage reverse osmosis system, a first-stage reverse osmosis water tank, a second-stage reverse osmosis system, a second-stage reverse osmosis water tank, an electric desalting device and a desalting water tank which are sequentially connected through pipelines, and a water outlet pipe of the desalting water tank is connected to a heat station boiler and used for supplying water. A first three-way connector is arranged on a pipeline from the first-stage reverse osmosis water tank to the second-stage reverse osmosis system, a first water supply branch pipe communicated to a water outlet pipe of the demineralized water tank is connected to the first three-way connector, and a manual valve is arranged on the first water supply branch pipe. According to the boiler water supply system of the heat station, under the condition that the gas furnace supplies heat independently, it is expected that a large amount of cost can be