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Aug 17, 2022 281 likes •350 views

Reliance Reliance Industries Limited Industries Limited

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  • Waste Heat Recovery
Type Thermal Cracking Furnace

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  • Project Hopper
MERT Coil Installation in Cracker Furnaces Furnace Convectio n coil cleaning Steam
  • ptimizatio
n in Benzene, MSTDP detol tower
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  • Good

Good

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High Stack Temperature Corrosion of tubes Poor Insulation Water Ingress Deposition

  • n Coils

Equipment Metallurgy Technology Obsolence Poor QA

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  • Furnace

Coil Cleaning with Cold Water

  • Furnace

Coil Cleaning with Chemical

  • Furnace Coil

Cleaning with Hot Water & Chemical

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  • Furnace Convection Coil

Cleaning with water + chemical

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  • Date
14-Jul-08 Parameter UNIT Design H111 H121 H131 HC Feed Kg/hr 6323 7052 7127 7047 Total Fuel gas Kg/hr 838 1034 996 1020 Stack Oxygen % 1.65 2.6 1.9 2.1 Damper opening % 46 58 68 Draft Control mm
  • 5.5
  • 2.9
  • 3.4
  • 2.4
Flue Gas Stack Temp C 193-EOR 199 191 187 PROCESS CALCULATIONS: Stack Heat Loss GCal/hr 0.83 1.04 0.92 0.93 Thermal Efficiency % 90 89.0 89.6 89.7 HTC-Economizer KCal/hrm2K 16 20 18 20 HTC-Feed Preheat KCal/hrm2K 8 11 10 10 HTC-HPSS KCal/hrm2K 12 23 26 25 HTC-Mix preheat KCal/hrm2K 25 30 28 31

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and the journey continues…..