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Why do you inject phosphate in boiler feed water?
Phosphate is injected into boiler feed water to control scale formation and corrosion inside the boiler system. Phosphate forms a protective layer on metal surfaces to prevent scale buildup and reduces the risk of corrosion, improving the overall efficiency and longevity of the boiler.
What is the purpose of phosphate dosing in AFBC boilers?
Generally the Phosphate dozing is done in the drum of the boiler. it helps to convert the calcium hard salts to soft sludges. the sludges are higher in weight ,so it comes to the bottem of the drum . then it remove by CBD. this is one of the way of avoiding corrosion in Boiler. Vijay RAMCO
What is the calculation of sodium and phosphate ratio for high pressure boiler?
The calculation for the sodium to phosphate ratio in high-pressure boilers is typically expressed as Na:PO4. A common ratio is 3:1, meaning for every 3 parts of sodium present, there is 1 part of phosphate. This ratio helps to prevent scale formation and corrosion in the boiler system.
What is boiler distortion and erosion?
Boiler distortion occurs when the pressure and temperature gradients in a boiler cause its components to deform or bend. Erosion in a boiler happens when high-velocity steam or water causes surfaces to wear away. Both issues can reduce the efficiency and integrity of the boiler, leading to potential safety hazards.
How many pounds of pressure does low pressure boiler operate on?
A low pressure boiler is any boiler 15 psi or lower
Why na3po4 dosing boiler drum?
Sodium phosphate (Na3PO4) can be dosed into a boiler drum to prevent scale formation and corrosion. It acts as a phosphate-based boiler water treatment that helps to maintain the alkalinity and pH levels in the boiler water, which in turn reduces the risk of scale buildup and minimizes the likelihood of corrosion on the boiler surfaces. Additionally, sodium phosphate can help to sequester hardness ions, such as calcium and magnesium, preventing them from precipitating out and forming scale.
Why do you inject phosphate in boiler feed water?
Phosphate is injected into boiler feed water to control scale formation and corrosion inside the boiler system. Phosphate forms a protective layer on metal surfaces to prevent scale buildup and reduces the risk of corrosion, improving the overall efficiency and longevity of the boiler.
What is the purpose of phosphate dosing in AFBC boilers?
Generally the Phosphate dozing is done in the drum of the boiler. it helps to convert the calcium hard salts to soft sludges. the sludges are higher in weight ,so it comes to the bottem of the drum . then it remove by CBD. this is one of the way of avoiding corrosion in Boiler. Vijay RAMCO
What is the calculation of sodium and phosphate ratio for high pressure boiler?
The calculation for the sodium to phosphate ratio in high-pressure boilers is typically expressed as Na:PO4. A common ratio is 3:1, meaning for every 3 parts of sodium present, there is 1 part of phosphate. This ratio helps to prevent scale formation and corrosion in the boiler system.
Boiler drum which chemicals are using?
chemical is used in sub critical boiler that is tri sodium phosphate added in durm. The main purpose is raise in pH value , salt is converted in to sludge form
What is the chemical composition of boiler pH booster?
Boiler pH boosters typically contain chemicals such as sodium hydroxide (NaOH) or tri-sodium phosphate (Na3PO4) to raise the pH of the water in the boiler system. These chemicals help to prevent corrosion and scale formation in the boiler by maintaining the water in the system at an optimal pH level.
How is o-alkalinity in a boiler controlled?
Alkalinity in a boiler is controlled by adding chemicals such as sodium hydroxide or sodium phosphate to maintain the desired pH levels. Monitoring the alkalinity levels regularly and adjusting the chemical dosing accordingly helps to stabilize the pH and prevent corrosion in the boiler system. Regular testing and maintenance are crucial to ensure proper control of o-alkalinity in a boiler.
Why Na3Po4 is feeding in boiler drum?
For softening calsium or magnecium hardness and its become slury, other effect is by used phosphate can increased the Ph value. Shakhawat
What is phosphate conditioning define?
This process is used in internal conditioning of boiler water, on the one hand and conditioning of cooling and process water, on the other orthophosphate such as trisodium phosphate and complex phosphates scuh as sodium hexametaphosphate are both used in steam boilers to precipitate whatever small amounts of calcium ion reach the boiler water through the pretreatment system or by leakage through the condensor. sodium hexametaphosphate is advantageous where the boiler water naturally tents to become too alkaline because it reduces this excess alkalinity by reverting to an acid orthophosphate in the boiler. Sodium hexametaphosphate is also widely used for minimizing the corrosion and pickup of iron by water in circulating cooling systems, in plant water distribution systems, and in municipal systems.
Why boiler drum in cylindrical shape?
because in cylindrical shape stress concentration is less so it can withstand at high pressure also.
Why boiler drum manhole in elliptical in shape?
as the boiler drum is cylindrical in shape due to low stress concentration and in both end the diameter will be less.so for easy entry into the drum for a man the drum man hole is elliptical in shape.
Define boiler and classification of boiler?
Boiler can be classified as below
