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Boiler Feed Water Chemicals

 

The main types of industries that use boilers include the pharmaceutical, textile, steel, and chemical industries. The performance of any boiler system depends on the efficiency of heat transfer, from the fireside to the waterside. In the continuous operation, scales or deposits develop on the boiler tubes which affect the heat transfer taking place in the boiler. Chemical treatment of boiler feed water for treatment and conditioning of feed water maintains optimal heat exchange, and protection of the boilers.

Boiler feed water chemistry

Porous forms of salts such as Calcium, Magnesium and high carbonaceous deposits precipitate and form dense uniform pitting and scaling over the boiler surfaces. With the feedwater, the dissolved solids and impurities begin to precipitate at the base, with a continuous accumulation.

Along with dissolved salts, there are also some suspended solids in that get precipitated as sludge. These are not hard as compared to scales, but if overlooked, gets hardened due to continuous heating in the boiler.

Boiler feed water characteristics – Scales

•         Carbonate deposits, granular and porous form dense and uniform pitting and scaling

•         Sulphate deposits, crystalline fine particles harder and denser than regular carbonate deposits

•         Hard and difficult to remove silica deposits, extremely small, forms a dense and impervious scaling

•         Iron (Fe) deposits

Effects of scaling in boiler operations

·         Brings down boiler efficiency as the scales act as a heat insulator, not allowing the optimum heat transfer, causing the boiler tube to overheat and fail.

·         Plugging / irregular deterrence

·         In general, boiler deposits can cut operating efficiency,

·         Unscheduled boiler shutdowns

·         Increases in damage and repair cost, at times even leading to replacement



Chemtex Boiler Feed Water Chemicals

Boiler water treatment and conditioning of boiler feed water to maintain optimal heat exchange, and protection of the boilers. If you want your boiler to remain in good condition and be as efficient as possible, it’s important that the water remains free from impurities, which means that water treatment will be necessary.

There are two methods that can be used for the chemical treatment of boiler feed water, which include external treatment and internal treatment.

Both of these processes rely on the conditioning process, which essentially counteracts the hardness in water by introducing softening agents to the water. Once these agents have been placed in the water, most of the minerals, contaminants, and chemicals within the water should be altered or removed completely.

Chemtex Speciality Limited has over five decades of experience in manufacturing boiler chemicals and consultation. With a wide portfolio to choose from to effectively counter or prevent mineral scales, metal oxides, hard deposits of water scale, iron oxides, oily contaminants, sludge, lime, and greasy deposits on the boiler surfaces.

Using these chemicals regularly ensures the protection of the system metallurgy, providing a long service life for the boiler system. We formulate a range of boiler chemicals to ensure the safety of the boiler and feed water. This formulation eliminates mineral scales, metal oxides, sludge, and other depositions, prevents corrosion caused by oxidation, maintains pH values, and removed oxygen instantly.

Key Features & Benefits

·         Excellent efficiency of removal scales, sludge, and other depositions

·         Non-corrosive & cost effective

·         Leaves no hazardous residue on the surfaces

·         Enhance operational efficiency and prevents system shut-down

Visit: https://www.water-chemicals.com/boiler-chemicals

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