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CAUSES OF DAMAGES TO THE BOILER (PART-2)

Jan 27, 2013 · In one of the waste heat recovery boilers, (operates at 180 °C), pH of the blow down water drops to 5 and even 4. The feed water is maintained around a pH of 9 and the water is treated with trisodium phosphate [affil. link to info/product on Amazon] along with other inhibitors. The pH of the feed water is adjusted with sodium hydroxide.

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Boiler Feed Water Treatment; pH Control. Is yours correct?

The importance of pH in steam-boiler water

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BASIC WATER TREATMENT OF STEAM BOILERS

Low makeup or feedwater pH can cause serious acid attack on metal surfaces in the preboiler and boiler system. Even if the original makeup or feedwater pH is not low, feedwater can become acidic from contamination of the system. Common causes include the following: improper operation or control of demineralizer cation units

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A Brief Overview of Ship's Auxiliary Engine

What is auxiliary boiler in power plant? - Quora

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Inexplicable pH drop in boiler blowdown water

When the boiler water pH drops below about 8.5, a corrosion called acid attack can occur. The effect exhibits rough pitted surfaces. The presence of iron oxide deposits on boiler surfaces can encourage this kind of corrosion.

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Water Handbook - Preboiler & Industrial Boiler Corrosion

Jun 24, 2014 · It comes into play with steam boilers because a pH between 7 and 9 (slightly alkaline) is just right. If the pH is lower than that, the water will start eating the pipes. If it's higher than that, the water won't corrode metal, but it may begin to foam, and that's not good. Hold that thought for a moment.

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Boiler Water Treatment - Home - Association of Water

Feb 01, 2016 · The safe pH range for steam boilers is between 8.5pH & 12.7pH, whilst the recommended level is between 10.5pH & 12.0pH. Boiler water with a pH of 10.5 contributes 12.…

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Industrial Mixer Auxiliary Machine - Ginhong

These machines or equipment provide supplementary or additional support in making the process flow more efficient which in turn produce high-quality end products. Ginhong manufactures several auxiliary machines such as the RO Reverse Osmosis Water Filter System, LS Air Cooled Water Chiller, GL Oil/Gas Steam Boiler and GL Electric Steam Boiler.

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