Exhaust Gas Boiler
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Exhaust Gas Boiler

DWHB-ST

ST-type waste heat boiler has smoke tube1 pass structure, and maximized heat efficiency by applying spiral tubes. It enables using one boiler for several gas engines.
Pin Tube type, Water tube type, and Once-through type can be manufactured depending on the type of waste heat.
With its simple internal structures, replacing parts and repairs are easily done.
DWHB-ST Specifications
Model Unit
DWHB-150ST DWHB-230ST DWHB-300ST DWHB-450ST DWHB-600ST DWHB-700ST DWHB-900ST DWHB-1050ST
1 1.5 2 3 4 4.5 6 7
9,800 14,700 19,600 29,400 39,200 44,100 58,800 68,600
1,500 2,300 3,000 4,500 6,000 6,750 9,000 10,500
180
7,10,12,14,16
161 241 322 482 643 724 965 1126
Vertical Multistage Centrifugal Pump
1.5×2 2.2×2 4×2 4×2 4×2 5.5×2 7.5×2 7.5×2
65 80 80 100 125 150 200 200
25 40 40 40 40 40 50 50
40 40 40 40 40 40 50 50
750 950 1,100 1,300 1,500 1,600 1,850 2,000
Boiler
Body		 Generator Capacity MW
Amount of Supply Waste Gas Nm3/hr
Rated Evaporation kg/hr
Gas Draft Loss mmAq
Maximum Working Pressure kg/cm2
Heating Surface m2
Feed Water
Pump		 Type  
Power Consumption KW×Q'ty
Connection
Bore
Diameter		 Main Steam Outlet A
Feed Water Inlet A
Drain A
Flue Duct & Stack mm
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  • Depending on the temperatures of the waste gas and the feedwater, electric heating area, and specifications will change.
  • Types of the waste gas : gas engine, gas turbine engine, reheating furnace, and steel mill waste gas
  • The amount of evaporation is measured at waste gas temperature of 450℃, exit gas temperature of 200℃, steam pressure of 8.5kg/㎠, and feedwater temperature of 60℃.
  • Feedwater pumping power, steam valves, and safety valves were measured with pressure of 10kg/㎠.
  • The above specification table can be unexpectedly changed in order to improve performance.