answersLogoWhite

0

the decay of boiler material by chemical or electrochemical attack by its environment is known as boiler corrosion

User Avatar

Wiki User

12y ago

What else can I help you with?

Continue Learning about Chemical Engineering

Why is my boiler water orange?

It could be that the pipes and boiler is showing iron rust and corrosion.


How does poly amine in boiler water work for?

Polyamines in boiler water function as scale and corrosion inhibitors, enhancing the overall efficiency and lifespan of the boiler system. They work by forming protective films on metal surfaces, preventing the formation of scale and reducing the corrosion rate. Additionally, polyamines help to disperse suspended particles, minimizing deposits that can affect heat transfer. Their effectiveness allows for improved water quality and operational stability in boiler systems.


Why is it important to maintain a gas-free condition in the boiler feed water?

Maintaining a gas-free condition in boiler feed water is crucial to prevent corrosion and scaling within the boiler system, which can lead to decreased efficiency and increased maintenance costs. Dissolved gases, especially oxygen and carbon dioxide, can cause pitting and other forms of corrosion in metal components. Additionally, gas bubbles can impair heat transfer, reducing the overall performance of the boiler. Ensuring the feed water is free of gases helps extend the lifespan of the boiler and improve operational reliability.


Why do you inject oxygen scavenger in boiler feed water?

Oxygen is a highly reactive gaseous element. In the presence of steel, the corrosion rate of oxygen doubles for each 30°F rise in temperature. For example, in a boiler system operating at 400 psig and 444°F, the corrosion rate for oxygen is 256 times more reactive than at room temperature. Sodium sulfite is a highly effective oxygen scavenger Erythorbate, Diethyl hydroxylamine, Methyl Ethyl Ketoxime, Carbohydrazide and Hydroquinone are other alternatives.


What is deareater used in steam power plant?

A deaerator is a crucial component in a steam power plant that removes dissolved gases, primarily oxygen and carbon dioxide, from feedwater before it enters the boiler. By eliminating these gases, the deaerator helps prevent corrosion in the boiler and associated piping systems, thereby enhancing the efficiency and longevity of the equipment. Additionally, it preheats the feedwater, improving the overall thermal efficiency of the steam generation process.

Related Questions

Why is my boiler water orange?

It could be that the pipes and boiler is showing iron rust and corrosion.


What is effect in high pressur boiler when ph rise?

When the pH in a high-pressure boiler rises, it can lead to corrosion of the boiler system. This corrosion can reduce the lifespan of the boiler and increase the likelihood of leaks. It can also result in the formation of scale deposits, which can decrease the boiler's efficiency and heat transfer capabilities. Regular monitoring and adjustment of pH levels are crucial to prevent these issues.


Spalling in a boiler reters to?

corrosion and erosion due to lack of heat transfer


What is the effect of chloride in boiler?

Chloride in a boiler can lead to corrosion and scale formation. Excessive chloride levels can accelerate the degradation of boiler components, reducing their lifespan and efficiency. It is important to monitor and control chloride levels to prevent damage to the boiler system.


What are the consequences of low alkalinity in boiler water?

Low alkalinity in boiler water can lead to increased corrosion of metal surfaces, as alkalinity helps to maintain a stable pH level. This can result in damage to the boiler components and decreased efficiency of the system. Additionally, low alkalinity can also lead to foaming and carryover in the boiler, which can cause operational issues and reduce the overall effectiveness of the boiler.


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.


Why is my boiler leaking water?

Your boiler may be leaking water due to a variety of reasons, such as a damaged seal, corrosion, or high pressure. It is important to have a professional inspect and repair the issue to prevent further damage and ensure the safety of your boiler system.


Why you need boiler preservation?

Boiler preservation is necessary to prevent corrosion and rust formation when the boiler is not in operation for an extended period. It helps protect the internal surfaces of the boiler from damage and ensures that it can be safely and efficiently restarted when needed. Proper preservation also helps extend the lifespan of the boiler.


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.


What are the common signs and potential risks associated with a boiler leak?

Common signs of a boiler leak include water pooling around the unit, a drop in boiler pressure, unusual noises coming from the system, and visible corrosion or rust. Potential risks of a boiler leak include water damage to the surrounding area, reduced efficiency of the boiler, and the possibility of carbon monoxide leaks if the boiler is not functioning properly.


What is the PH value in boiler feed water?

The pH value in boiler feed water is typically maintained between 8.5 and 9.5. This range helps to prevent corrosion and scaling in the boiler system. Regular monitoring and adjustment of pH levels are important to ensure the proper functioning and longevity of the boiler.


Why is it important to maintain a gas-free condition in the boiler feed water?

Maintaining a gas-free condition in boiler feed water is crucial to prevent corrosion and scaling within the boiler system, which can lead to decreased efficiency and increased maintenance costs. Dissolved gases, especially oxygen and carbon dioxide, can cause pitting and other forms of corrosion in metal components. Additionally, gas bubbles can impair heat transfer, reducing the overall performance of the boiler. Ensuring the feed water is free of gases helps extend the lifespan of the boiler and improve operational reliability.