Products · Boilers & Heat Recovery
To establish the project design basis for “Water-Tube Boilers”, confirm “Steam and boiler-water circulation” and its inputs: Provide steam flow/conditions, water quality, fuel/heat source, circulation philosophy and loading/start-up cases. 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 Water-Tube Boilers concentrates on steam pressure and temperature, circulation, furnace or process-gas duty, feed-water quality, blowdown, pressure-part design, emissions, control range and operating flexibility. 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 Water-Tube Boilers is defined from service data, design conditions, and battery limits. For this equipment, Steam and boiler-water circulation 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 capacity, pressure and steam-temperature values are the published envelope of one factory-made industrial water-tube boiler family, not universal limits or a Delham guarantee.
| Parameter | Published value | Reference basis | Applicability / limit |
|---|---|---|---|
| Steam capacity | 10,000–700,000 lb/h (about 4.5–320 t/h) | Published range for one factory-made water-tube boiler family. | Confirm continuous/peak rating, feedwater reference, fuel, burner arrangement and turndown for the selected model. |
| Design steam pressure | 250–1,800 psig (about 17.2–124 bar(g)) | Published design-pressure span for the same boiler family. | A family envelope is not an allowable operating pressure; code calculations, MAWP, relief settings and local rules govern each unit. |
| Steam condition | Saturated to 1,005 °F (about 541 °C) | Published steam-temperature capability across configured models. | Superheat, pressure, materials and duty are coupled; this endpoint is not simultaneous with every capacity/pressure combination. |
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.
