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Design of WHRB
  Recostar - FN
  Recostar - FI
  Recostar - S
  Recostar - WC
  Recostar - WCOF
  Recostar - WCRF
  Recostar - CC
  Recostar - PC
  Recostar - SCMP

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Product : Recostar FN : Finned, Water Tube, Non IBR
  CASE STUDY    
Waste heat source : Engine generator exhaust
Capacity of Engine : 600 KW x 1 Nos.
Fuel fired in Egines : HSD
Total flue gas quantity : 2700 Kg/Hr.
Flue gas inlet temp : 518 Deg.C
System configuration : Main WHRB + Economizer
Flue gas outlet temp : 185 Deg.C
Output type : Steam at 10 bar(g)
Output at 100% load : 320 kg./Hr (F&A 100 Deg.C)
 
       
  Product Details    
  Type   Finned water tube, Non IBR.
  Installation   Horizontal / Vertical, Indoor as well as Outdoor
  Tube Orientation   Horizontal / Vertical
  Fin Type   1.   'L' Type steel fins with full contact of fin base to tube.
2.  Integral extruded / rolled aluminium fins on C.S. tube.
  Waste gas flow direction   Horizontal / Vertical (Upwards & Downwards)
  Quality of Waste Gases   Normally clean dustfree gases
  Acceptable dust in waste gases   Moderate dust level acceptable for vertical fin orientation with mechanized soot removing and collecting facility.
  Type of heat recovery output   1) Steam - D & S / Superheated,
2) Hot Water,
3) Hot Thermic Fluid
  Media of Waste Heat   Hot gases, Hot bulk powders, hot liquids, hot vapours
  Steam Pressure   Suitable for low as well as high pressure
  Steam condition   Dry & saturated with external moisture separator. Superheated steam through provision of super-heater.
  Water side circulation   Once through, forced circulation
  Steam water separation   In external moisture separator
  Waste heat source suitability   Fuel cell exhaust, micro gas turbine exhaust, DG set exhaust process waste gases, Incinerator exhaust, furnace exhaust
  Typical applications   Process heating, hot water generation, Thermic fluid heating, whenever IBR installation is desired to be avoided.
  Output capacity possibilities   Single unit output upto approx. 600 kg/hr. Multiple units can generate proportionately higher outputs without mixing flue gases.
  Soot removal   1) Mechanized vibrating soot removal. 2)  Automatic pneumatic cylinder operated travelling type steam jet or compressed air jet soot blower.
  Number of heat recovery stages possible   3 to 4 stages of heat recovery possible e.g. super-heater evaporator, economizer, water preheater.
  Typical lowest exhaust gas temp. at outlet of system   Gases generated by diesel - 130 Deg.C. Gas generated by natural gas - 110 Deg.C. Gases generarted by high sulphur fuels - 150 Deg.C
  Protection against sulphur and corrosion on cold end side   Provided by various means to ensure that metal temperature is maintained above the actual incipient limit.
       
 

Flow Diagram - Vertical

 

 

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