Products · Boilers & Heat Recovery
To establish the project design basis for “Heat Recovery Steam Generators — HRSG”, confirm “HRSG exhaust-gas and steam basis” and its inputs: Specify hot-gas source, flow/composition/temperature and variability, steam conditions, required pressure levels and supplementary-firing limits. Final values, supply limits and acceptance criteria are recorded in approved engineering documents; no generic capacity or catalogue guarantee is assumed.
From project definition to delivery
Engineering of Heat Recovery Steam Generators — HRSG concentrates on gas and steam temperature profiles, pinch and approach temperatures, steam conditions, circulation, gas-side pressure drop, water chemistry, metallurgy, fouling and start-up transients. The selected configuration is verified against normal, minimum, start-up, shutdown and credible upset cases, then checked for operability, maintainability, energy use, process safety and site interfaces before the design is frozen.
The design basis for Heat Recovery Steam Generators — HRSG is defined from service data, design conditions, and battery limits. For this equipment, HRSG exhaust-gas and steam basis and Feed and thermal conditions must be completed in the datasheet and design documents; performance values and guarantees are set only after the project basis is approved.
Materials, corrosion allowance, sour-service requirements, piping classes, nozzle design, insulation, coating, supports and maintenance access are coordinated with the actual process conditions and project code hierarchy.
Control philosophy, alarms and trips, cause-and-effect logic, interlocks, start-up and shutdown sequences, safe depressurization and operator access are developed consistently from the P&IDs through functional testing.
Battery limits, tie-in points, structural loads, cabling, instrumentation, drains, vents, access routes, lifting envelopes and shipping constraints are controlled through coordinated models and interface drawings.
From project definition to delivery
Proposal quality depends on complete input data and an explicit acceptance basis. The following lists provide a practical starting point and are completed during technical clarification.
Technical Datasheet
The values are two distinct published CHP project examples, not one HRSG product range. Total thermal output is stated at plant level and must not be mistaken for HRSG steam duty.
| Parameter | Published value | Reference basis | Applicability / limit |
|---|---|---|---|
| Natural-gas CHP live-steam example | 17.5 bar; 242 °C | Published steam conditions for one CHP project; plant maximum heat output was 40 MWth. | Project example only; the 40 MWth plant value is not an isolated HRSG rating. |
| Biomass CHP live-steam example | 120 bar; 520 °C | Separate published biomass CHP project; plant maximum heat output was 35 MWth. | Do not combine with the natural-gas case to imply a common HRSG envelope; gas turbine/boiler exhaust and steam-cycle design govern. |
| HRSG design basis needed | Gas-turbine exhaust flow, temperature and load cases | Published engineering descriptions identify HRSG output as dependent on the upstream gas turbine and steam cycle. | No universal steam-capacity range is inferred from plant gross output; obtain OEM exhaust curves and define supplemental firing/duct-burner cases. |
Delham Engineering
Send the available process data, battery limits and expected document list for a technical proposal. The engineering team will identify missing information through a structured clarification register.
