What is the main purpose of continuous blowdown in a boiler system?

Study for the Massachusetts 3rd Class Engineer Exam. Access flashcards and multiple choice questions with hints and explanations. Prepare for success on your exam!

The main purpose of continuous blowdown in a boiler system is to maintain water quality and remove impurities. Over time, water in the boiler can accumulate dissolved solids, such as minerals and salts, which can lead to problems like scaling, corrosion, and reduced efficiency. Continuous blowdown involves periodically removing a small amount of boiler water, which helps to control the concentration of these impurities by allowing for the introduction of fresh feedwater into the system. This process keeps the boiler operating efficiently and ensures that the steam produced is of high quality, free from contaminants.

This approach is crucial because maintaining proper water chemistry in the boiler contributes to a more efficient operation, extends the life of the equipment, and prevents potential boiler failure or safety hazards.

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