Rußbläsern

Rußbläsern, also known as soot blowers, are devices used in industrial boilers, furnaces, and other combustion systems to clean surfaces where soot and ash can accumulate. This buildup, known as fouling, reduces the efficiency of heat transfer and can lead to operational problems. Rußbläsern function by periodically directing a high-pressure jet of steam, air, or water onto the fouled surfaces, dislodging the accumulated soot and ash.

There are several types of Rußbläsern, including retractable and rotary designs. Retractable soot blowers are typically mounted on the boiler wall and are extended into the gas path when in use, then retracted to avoid damage and heat exposure. Rotary soot blowers, on the other hand, rotate a lance to cover a larger area. The choice of medium used for cleaning—steam, air, or water—depends on factors such as the type of fuel being burned, the operating temperature of the boiler, and the nature of the deposit.

Regular use of Rußbläsern is crucial for maintaining optimal boiler performance, preventing costly downtime, and extending the lifespan of the equipment. By keeping heat transfer surfaces clean, they ensure that the heat generated from combustion is efficiently transferred to the working fluid, such as water or steam, thereby maximizing energy output and minimizing fuel consumption.