Which of the following is the most detrimental for water used in high ...
Although silica has no significant corrosive effect which other dissolved ions may create within the plant, it has a detrimental effect in the formation of extremely hard and dense scales within the boiler system and the turbine. This leads to thermodynamic deficiencies and mechanical problems.
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Which of the following is the most detrimental for water used in high ...
Silica in High Pressure Boiler Water
Silica is a naturally occurring mineral commonly found in water sources. In high-pressure boilers, silica can be very harmful and cause significant damage to the system. The following are some of the reasons why silica is detrimental to water used in high-pressure boilers:
Scaling
Silica can cause scaling in high-pressure boilers. When water containing silica is heated, some of the silica will precipitate out of solution and form a hard, glassy scale on the surfaces of the boiler. This scale can reduce the efficiency of the boiler and cause damage to the system.
Corrosion
Silica can also cause corrosion in high-pressure boilers. When the silica scale builds up on the surfaces of the boiler, it can create a barrier that prevents oxygen from reaching the metal. Without oxygen, the metal can start to corrode, which can lead to leaks and other problems.
Foaming
Silica can also cause foaming in high-pressure boilers. When the silica level in the water is high, it can create foam that can carry over into the steam. This foam can cause damage to the turbine blades and other components of the system.
Conclusion
In conclusion, silica is the most detrimental for water used in high-pressure boilers. It can cause scaling, corrosion, and foaming, which can lead to significant damage to the system. Therefore, it is essential to monitor the silica level in the water and take steps to reduce it if necessary. This can help to ensure the efficient operation of the boiler and prevent costly repairs.