Boiler water treatment method

Abstract

The invention discloses a boiler water treatment method, comprising the following steps: 1) pretreating unboiled water by adopting a powerfully magnetic water treater; 2) conveying the pretreated unboiled water to a pipeline mixer in which mixed drugs are added, enabling the unboiled water to mix with the mixed drugs, and then conveying the water to a cartridge filter for filtering; 3) conveying the filtered water to a reverse osmosis device by a high pressure pump for reverse osmosis treatment; 4) conveying the water subjected to the reverse osmosis treatment to a degassing device for degassing treatment; 5) conveying the water subjected to the degassing treatment to an EDI device for desalting treatment; 6) performing pH adjustment on the water subjected to the desalting treatment; 7) conveying the water subjected to the pH adjustment into a boiler. The boiler water treatment method is high in impurity removal rate, high in the quality of produced water, and capable of ensuring the boiler to operate safely and reliably and improving the thermal efficiency.

Description

technical field [0001] The invention relates to a boiler water treatment method. Background technique [0002] Boilers are steam or hot water generating equipment, and water is used as the heat transfer medium. Therefore, the quality of feed water is the core technology, and the use of qualified water quality is the prerequisite for ensuring the safe and stable operation of the boiler and the output of qualified steam or hot water. If the water quality of the feed water is poor, the hazards are as follows: 1. Scale formation: Scale causes damage to the metal on the heating surface of the boiler, reducing the service life of the boiler; reducing the flow section in the heating tube, increasing the flow resistance of the water circulation in the tube; reducing thermal efficiency, Increase coal consumption or reduce boiler output; 2. Lead to boiler metal corrosion: Excessive use of cleaning agents will lead to metal corrosion if the free sodium hydroxide is too high or the pH i...

AI Technical Summary

Problems solved by technology

If the water quality of the feed water is poor, the hazards are as follows: 1. Scale formation: Scale causes damage to the metal on the heating surface of the boiler, reducing the service life of the boiler; reducing the flow section in the heating tube, increasing the flow resistance of the water circulation in the tube; reducing thermal efficiency, Increase coal consumption or reduce boiler output; 2. Lead to boiler metal corrosion: Excessive use of cleaning agents will lead to metal corrosion if the free sodium hydroxide is too high or the pH is low, and it contains more neutral salts; 3. Deterioration of steam quality: the high salt content of the pot water will cause steam and water to rise together, polluting the steam