Boiler water treatment system

The invention discloses a boiler water treatment system. The system includes a quartz sand filter, an activated carbon filter, a security filter, a high pressure pump, a reverse osmosis system, a carbon remover, a water tank arranged below the carbon remover, a mixed bed water feeding pump, an ion exchange resin mixed bed, a resin trap, a pure water tank connected with the resin trap, a pure water pump connected with the pure water tank, a wastewater neutralization pool connected with the wastewater outlet of the ion exchange mixed bed, and a waste water neutralization water pump connected with the wastewater neutralization pool, wherein uniformly mixed cation exchange resin and anion exchange resin are arranged in the ion exchange mixed bed. According to the boiler water treatment system of the invention, the dosing system and quartz sand filter can thoroughly remove impurities of colloid and suspended solids in water; the reverse osmosis system can remove 99.9% of organic matters and bacteria and 98% of salts in the water; and after deionization treatment by the ion exchange mixed bed, high purity deionized water can be obtained, so as to ensure the long term operation of the boiler without scaling.