- Recostar - FN : Finned, Water Tube, Non IBR
- Recostar - FI : Finned Water Tube IBR
- Recostar - S : Smoke Tube IBR
- Recostar - WC : Bare Water Tube, IBR
- Recostar - WCOF : Water Tube, Coflow (concurrent flue gas flows) IBR
- Recostar - CC : Cylindrical Coil type once through
- Recostar WCRF : Water Tube Cross Tube IBR
- Recostar - PC : Pancake Coil type once through
- Recostar - SCMP : Smoke Tube, Composite unfired plus fired type
Recostar SCMP : Smoke tube, Composite Unfired Plus Fired Type
Case Study
| Waste heat source | : | Engine generator exhaust |
| Capacity of Engines | : | 1 MW x 1 No. |
| Fuel fired in Engines | : | Natural Gas |
| Total flue gas quantity | : | 4780 kg/hr |
| Flue gas inlet | : | 598 Deg.C |
| System configuration | : | Main waste heat recovery boiler + fired zone + Eco. |
| N.G. Firing in fired zone | : | 60 SM3 / hr |
| Flue gas outlet | : | 205 Deg.C |
| Output type | : | Steam at 10 bar(g) |
| Output at 100% load | : | 2000 kg/hr. (F & A 100 Deg.C) |
Product Details
| Type | : | Smoke tube, composite (I.e. unfired plus fired zone) |
| Installation | : | Horizontal / Vertical, Indoor |
| Tube Orientation | : | Horizontal / Vertical |
| Waste gas flow direction | : | Horizontal / Vertical (upwards & downwards) |
| Quality of waste gases | : | Low dust level desired |
| Type of heat recovery output | : |
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| Media of waste heat | : | Hot gases, Hot vapors, Hot liquids |
| Steam pressure | : | Dry & saturated and also superheated steam through provision of super-heater. |
| Water side circulation | : | Natural circulation internal to boiler |
| Steam separation | : | In steam drum or in external moisture separator |
| Waste heat source suitability | : | Fuel cell exhaust, micro / min gas turbine exhaust, small gas turbine exhaust, DG set exhaust, process waste gases incinerator exhaust, furnace exhaust, gas turbine exhaust.Where heat recovery from waste heat needs to be |
| Typical applications | : | supplemented with fuel firing and installation of two separate boilers unfired and fired has space limitation. |
| Supplementary firing possibilities | : | Firing in internal furnace provided in boilers. |
| Output capacity possibilities | : | Typically upto 20T/hr capacity. |
| Soot removal | : | By sonic soot blowers and through self cleaning velocities |
| Number of heat recovery stages possible | : | 3 to 4 stages of heat recovery possible e.g. Superheater evaporator, economizer, water preheater |
| Typical lowest exhaust gas temperature at final outlet of system | : | Gases generated by diesel - 130 Deg.C, Gas generated by Natural Gas - 110 Deg.C, Gases generated by high sulphur fuels - 150 Deg.C |
| Protection against sulphur corrosion on cold end side | : | Provided by various means to ensure that metal temperature in maintained above the actual incipient limit. |
Flow Diagram
