How to completely solve the problem of water-cooled wall wear in circulating fluidized bed boilers in power plants

　　Circulating fluidized bed boiler is a new high efficiency, clean, environmental protection, energy saving, low emission coal-fired technology developed internationally in recent years, and with the intensification of environmental protection policies, circulating fluidized bed boiler is more widely used in the domestic thermal power industry.

　　Circulating fluidized bed boiler water-cooled wall wear and leakage is one of the problems that plague the safe and stable operation of the boiler. Once the water-cooled wall leakage occurs, the boiler must be made to force the failure to blow out, which not only generates maintenance and restart costs and affects the continuous and stable production, how to scientifically solve the circulating fluidized bed boiler water-cooled wall wear problem has become the focus of the power plant.

　　Circulating fluidized bed boiler water-cooled wall wear the main reason is actually very simple, in the boiler operation there are a large number of high-speed movement of material particles in the furnace, these material particles constantly on the water-cooled wall tube scouring and cutting, eventually leading to water-cooled wall tube wear leakage or even burst tube. Circulating fluidized bed boiler water-cooled wall wear is particularly troublesome to deal with, the cost of maintenance is also large, will greatly improve the power plant maintenance work and maintenance costs.

　　According to the survey, there are power plants because the actual operating conditions of the boiler poor coal combustion poor resulting in 2-3 months will burst the tube shutdown once, seriously affecting the economic benefits of the power plant. It would be a blessing for such power plants if there is anti-wear technology that can completely solve such water-cooled wall wear problems. In order to help power plants solve the circulating fluidized bed boiler wear problem, various anti-wear technologies have been introduced. There are metal spraying, anti-wear beam, melt deposition, grille anti-wear technology, etc. These several mainstream anti-wear technology through the anti-wear effect, anti-wear cycle, anti-wear cost comparison, grille anti-wear technology is the most cost-effective. The grille anti-wear technology has created an active anti-wear technology, with a long anti-wear cycle, thorough anti-wear, and a construction anti-wear for 5-6 years.