Boiler water treatment chemicals
A boiler feed water treatment system is a system made up of several individual technologies that address your specific boiler feed water treatment needs.
The boiler chemicals are as follow:
1- Sludge Conditioner: during the operation of steam boiler , small quantities of hardness salt are introduced , together with traces of suspended particles into feed water. After a while the concentration of these salts and suspended particles build-up in the form of “sludge “ and if the sludge is not treated properly it can stick and form a hard layer which called scale on the heat transfer surface . This product is used to settle down the sludge at the bottom of the steam generator and can be discharged by blow down assemblies.
What type of treatment is given to condition sludge in boiler water treatment?
There are two general approaches to conditioning sludge inside a boiler: by coagulation or dispersion. When the total amount of sludge is high (as the result of high feed-water hardness) it is better to coagulate the sludge to form large flocculent particles. This can be removed by blow-down.
This product is recommended for raising boiler water internal pH where the natural feed water alkalinity or cycles of concentration are low. Hydroxide concentration is directly elevated to promote boiler internal softening and control of corrosion.
Boiler water oxygen scavengers are scientifically formulated to combat the detrimental effects of oxygen-related corrosion in industrial boiler systems, hot water systems, and steam raising plant and so help reduce maintenance costs, maintain boiler efficiency and extend plant and equipment life. These include Tannin, Sulphite, and Carbohydrazide & DEHA chemical blends.
De Foaming Agents
This product is used to maintain the quality of steam , it minimizes or stocks the carry-over of the boiler concentrated in purities with the steam , it helps to prevent foaming and maintains the quality of steam.
A descaling agent or chemical descaling is a liquid chemical substance used to remove lime scale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles. Lime scale is either white or brown in color due to the presence of iron compounds.
Corrosion inhibitors are chemical substances that, when added in small amounts to the environment in which a metal would corrode, will reduce, slow down or prevent corrosion of the metal.
This product is used before the initial start up off steam generator , the steam generator must be passivated before Start up to remove traces of welding, oil and grease, impurities inside (develop while transportation) to make a alkaline layer on the inner surface to protect from corrosion after proper start up of the operation.
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