Water supplementing system for boiler of heat station

The utility model discloses a heat station boiler water replenishing system which comprises a condenser, a water replenishing tank, a water replenishing pump and a deaerator which are connected through pipelines, and a water inlet of the condenser is connected with a chemical incoming water inlet pipe and used for conveying chemical water to the condenser; water enters the water replenishing tank through a deaerator water discharging pipe, a water feeding pump cooling water return pipe and a sampling frame cooling water return pipe, an outlet end pipeline of the water replenishing tank is communicated to the water replenishing pump, and the output end of the water replenishing pump is communicated to the deaerator through a water replenishing pump water outlet pipe; the water inlet end and the water outlet end of the condenser are respectively communicated with the make-up pump water outlet pipe through a condenser make-up pipe and a condenser water outlet pipe, and a stop valve is arranged on the make-up pum