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Thermal Systems designs and supplies custom-engineered Waste Heat Recovery Boilers for a wide range of continuous-process industries. Our fire tube and water tube WHRBs are designed to recover heat from high-temperature process gases and convert it into useful steam for process heating or power generation.
Check out various applications for Fire Tube type Waste Heat Recovery Boilers
In the Claus process, H2S-rich acid gas is burned in the reaction furnace, generating gas at around 1,300 °C. The furnace outlet gas is quenched in the MCC waste heat boiler, generating HP/MP steam.
Thermal Systems supplies complete Reaction Furnace (MCC) packages — burner, chamber, boiler and EBOP — in fire tube construction, with superheaters suitable for internal and import steam.
Spent sulphuric acid is thermally decomposed in the regeneration furnace, generating high-temperature gas that is recovered in a waste heat boiler producing high-pressure steam.
Thermal Systems supplies fire tube waste heat recovery boilers (WHRB) for SARU service, including the world's largest operating installation on a 1,000 TPD SARU.
In the sulphur-combustion route, molten sulphur is burned and the SO2 gas stream leaves the furnace at high temperature. The gas is cooled in a waste heat recovery boiler (WHRB), generating high-pressure steam and maximising energy recovery and acid yield.
Thermal Systems supplies fire tube boilers with external & integral gas bypass and water tube boilers with provision for future expansion — references up to 5,500+ TPD plant capacity.
In weak nitric acid plants, ammonia oxidation is highly exothermic and the converter outlet gas must follow a precise temperature profile.
Thermal Systems designs and supplies converter boilers, WHBs and economisers with start-up heaters — fire tube construction with natural circulation — suited to licensor specifications and existing plant layouts.
In methanol plants, hot synthesis gas leaving the reformer is cooled in a process-gas waste heat boiler, generating HP/LP steam.
Thermal Systems provides single or twin boiler designs combined with a common steam drum and superheater as per licensor and plant requirements, in gas-tight construction with gap-free welding.
In carbon black manufacture, hot reactor gases are cooled in inline boilers (Tread / Carcass black), and off-gases are fired in tail gas boilers generating high-pressure steam for power.
Thermal Systems' designs offer turn-down of 25% to 110% of MCR without support fuel and combustion control by fuel-gas temperature sensing, for smooth, trip-free operation.
