Boiler structure

The overall structure of the boiler includes two parts: boiler body (drum), auxiliary equipment and safety device. The main components in the boiler, such as the furnace, boiler barrel, burner, water wall, superheater, economizer, air preheater, frame and furnace wall, constitute the core part of the production of steam and are called the boiler body. The two most important parts of the boiler body are the furnace and the drum.

The furnace, also known as the combustion chamber, is a space for fuel combustion. The furnace where solid fuel is placed on the grate to carry out fire bed combustion is called layer fire furnace, also known as fire bed furnace; The furnace that grinds liquid, gas or solid fuel into powder and burns into the fire chamber is called the chamber furnace, also known as the fire chamber furnace; The air lifts the coal particles to make them boil and burn, and the furnace suitable for burning inferior fuel is called the boiling furnace, also known as the fluidized bed furnace; The cylindrical furnace that uses air flow to make coal particles rotate at high speed and burn strongly is called cyclone furnace. Auxiliary equipment and safety devices include safety valves, pressure gauges, water level gauges, water level alarms, fusible plugs, etc.

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