Which components are used in watertube boilers to direct the flow of combustion gases?

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Baffles are integral components in watertube boilers, specifically designed to manage and direct the flow of combustion gases. Their primary function is to control the path that gases take through the boiler, ensuring efficient heat transfer and optimizing the overall thermal performance of the system. By strategically positioning baffles, engineers can enhance the turbulence of the gas flow, promoting better heat exchange between the hot gases and the water within the tubes.

In addition to directing the flow, baffles help minimize the risk of dead spots where gases might stagnate, potentially leading to incomplete combustion or decreased efficiency. Thus, they play a crucial role in maintaining consistent boiler performance.

The other components listed serve different functions. Heat exchangers are used primarily for transferring heat between fluids, fins increase surface area for improved heat transfer, and diffusers primarily manage airflow in various systems but are not specific to the functionality of directing combustion gases in watertube boilers.

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