Characteristics of Corrosion Related to Ash Deposition on Boiler Heating Surface during Cofiring of Coal and Biomass

Figure 1

The schematic diagram of the experimental system. 1, gas cylinder; 2, gas flowmeter; 3, mixing equipment; 4, gas valve; 5, PID temperature controller; 6, tube furnace; 7, thermocouple; 8, porcelain boat; 9, corundum tube; 10, absorber bottle.