Do the water wall, superheater, reheater, and economizer look the same? How can they be distinguished?
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How can they be distinguished by appearance, and what are the requirements for the material? Thank you, I’m new to this field
The superheater and reheater have the same appearance. The economizer is generally of a coiled-tube structure and is placed horizontally. Superheaters and reheaters also have a coiled tube structure, but they are more often installed vertically; moreover, the shape of these coiled tubes is generally not rectangular – trapezoidal shapes are more common – and they are made of heat-resistant steel. The water wall does not use a coiled tube design.
The question raised by the original poster is not easy to answer; the appearance is definitely different, and even the same components can have different appearances. The materials for water wall, superheater, and reheater are generally steel tubes, while the economizer can be made of either steel tubes or cast iron.
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The appearance is definitely different; it’s necessary to look at the structural soda system diagram to determine what it is, as it’s not possible to tell just by looking at its appearance!