In order to remove the dust on the heat exchange fittings of boilers and improve the thermal efficiency of boilers, most boilers in thermal power plants are equipped with traditional soot blowers. These soot blowers rely on steam or compressed air to extend into the furnace or flue through the gas pipeline to clean the dust on the surface of heat exchange pipe fittings. Because the action range of airflow scouring is small, its soot blowing effect is very limited. The main defect of this soot blower is that there are dead corners that airflow can't blow, such as the back of heat exchange pipe fittings. Because the soot blowing pipe needs to extend into the furnace
Or in the flue, the high temperature causes the soot blower to burn out quickly, and the maintenance workload is very large. Traditional soot blowers have many problems, such as poor soot blowing effect, inconvenient operation and maintenance, etc. In recent years, most of these soot blowers installed on boilers in thermal power plants in China have stopped using.
How to overcome the defects of traditional soot blower, acoustic soot blower came into being.
In 1960s, some people in Sweden put forward the idea of using sound waves to clean up ashes, and a product 1969 came out, which was widely used in Europe. 1982 this technology has been popularized and used in the United States after obtaining the American patent. The application results show that the high-power sound wave can make the dust on the surface of the heat exchange tube fall off and effectively remove the dust on the surface of the heat exchange tube.