Water-cooled wall high temperature corrosion ceramic coating boiler energy saving increased by 15%

China Coatings Online News
Energy Conservation has been regarded by Chinese experts as the "fifth energy" after four important energy sources, such as coal, oil, natural gas and electricity. The state has made "resources and energy: conservation and environmental protection" the basic state policy, increased efforts to control it, improved the efficiency of coal utilization through various new technologies such as comprehensive utilization of coal and coal technology, and adopted sulfur removal and dust removal equipment for environmental protection. Anti-corrosion coating experts said that the boiler high temperature corrosion ceramic coating is recognized as a stable antioxidant, anti-corrosion, anti-wear material. But for a variety of industrial boilers difficult to achieve metal condensation wall surface, often sintering temperature is very high, does not have the feasibility of on-site sintering, such as zirconia coating, alumina coating although it has good temperature resistance, but through various spray methods difficult to achieve condensation wall, low thermal conductivity, low binding force, thermal expansion coefficient does not match, so it is necessary to develop a new type of high temperature corrosion-resistant ceramic coating materials.
boiler should have a coating to take into account corrosion and corrosion resistance, but also to speed up the heat absorption rate, high conductivity, high temperature heat resistance, impact resistance to wear, high extension expansion coefficient high characteristics, low temperature can cure easy to use characteristics, which is the characteristics of acid-resistant thermal anti-corrosion paint.
heat exchange pipe on the boiler heat exchange pipe high temperature corrosion, heat details and wear has been a common serious problem in the heating system, its direct harm is very large. During the operation of the furnace, friction corrosion and corrosion of the heat exchange pipe are caused by the presence of sulfur and other harmful impurities in burning coal.
In order to solve the heat exchange pipe, heat exchange sheet, heat transfer pipe, high temperature mold, cracking tube, heater, heat dissipator and other equipment devices, not only in the high temperature acid-base medium corrosion resistance but also have a good heat transfer. Research and development personnel to paint coating high conduction heat, infrared strong heat absorption as the basis for the development of high temperature, acid-base resistance, high thermal heat-resistant heat-resistant anti-corrosion paint.
heat exchange pipe anti-acid thermal anti-corrosion paint, the coating long-term temperature resistance can reach 750 degrees C. The conduction coefficient (70 degrees C) can reach 50w/m.k, the thermal absorption coefficient of the coated black body can reach 0.92 degrees, more than 2 times higher than the metal thermal absorption coefficient, the heat exchange rate can be increased by more than 10% compared to the material of the anti-corrosion paint base without coating acid resistance, and more than 50% can be increased in some materials. Acid-resistant thermal anti-corrosion paint using inorganic modified chelate synthetic membrane solution and acid-resistant inorganic oxides, in addition to high concentrations of acid and alkali and hydrofluoric acid, can be long-term resistance to a variety of other acid-base corrosion, long anti-corrosion life. Acid-resistant thermal anti-corrosion paint coating and substation binding force is very strong, paint composition contains metal oxide material and chelating grafted into a membrane solution, paint and substation bonding solid, seamless and cavitation, forming a dense bonding layer. High coefficient of thermal expansion of acid-resistant thermal anti-corrosion paint, the expansion and contraction of the coating when the temperature rises and falls repeatedly are consistent, and no cracks and shedding will occur. Acid-resistant thermal anti-corrosion paint composed of a variety of components of ceramic functional fillers, in collaboration with each other to give the coating excellent wear resistance, heat impact resistance, can be long-term resistance to cavitation liquid erosion friction and powder friction. Acid-resistant thermal anti-corrosion paint coating takes into account corrosion and corrosion resistance, but also has to speed up heat absorption rate, high conductivity, high temperature heat resistance, impact resistance wear resistance, high extension expansion coefficient high characteristics, low temperature can cure easy to use characteristics.