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Show COOLING WATER (OUTLET) COOLING WATER (OUT! FT) COOLING WATER (OUTLET) COOLING WATER (INLET) FIGURE 2. BURNER A N D FURNACE DRAWING (FIGURE !. "A"-"A" SECTION) 2-2 Specifications Input Fuel gas Rated gas flow Gas supply pressure Cooling method Pilot burner Flame ditector Furnace Convection heating structure Fan Furnace pressure Combustion intensity 1.62 M W (5.5 X 10* Btu/h) Natural gas (CH 4=88%, C 2 H«=6%, C S H J =4%, C 4 H io=2%) 46 MJ/Nm 3 140.3 N m 3/h (4954 ftVh) 20 kPa (2.90 psi) at mixer inlet Water cooling outlet temperature 95 °C Input 34.9 k W (119 X 103 Btu/h) premixed type Ultraviolet ray photoelectric tube <t> 600 X 1500 m m Smoke tubes 4 5 - 0 50.8 x 2.5 t X 1600 m m 7.5 k w 7.4 kPa X 2400 m 3/h at 20 °C 1.5 kPa (0.21 psi) 3.8MW/m3 (215Btu/in3h) 2-3 Burner Figure 3 shows the structure of the burner nozzle. For gas/air mixture blowing out, a main nozzle and an auxiliary nozzle which is installed at 90° upstream of the main nozzle are mounted in tangetial direction of the furnace. In the auxiliary nozzle center, a pilot burner is mounted. -3- |
