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How to adjust the combustion of drum boiler?

17 Dec 2021

Drum boiler refers to boiler equipment with boiler drum, which is an important pressure component in natural circulation boiler and the connecting hub of the three processes of boiler heating, vaporization and overheating, and plays a connecting role. Water becomes qualified superheated steam in the boiler, which goes through three processes: heating, vaporization and overheating. Heating from feed water to saturated water is a heating process; The vaporization of saturated water into saturated steam is a vaporization process; Heating saturated steam into superheated steam is an overheating process.

Because the metal consumption of drum boiler is 10%-15% more than that of once-through boiler, and the water volume is relatively large, the heat storage capacity of drum boiler is relatively high, and the steam space of drum can store a certain amount of steam. When the fuel quantity is constant and the load changes, the boiler steam pressure changes slowly.

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