Used in boiler, HRSG, turbine exhaust, and other energy systems to recover exhaust heat, improve thermal efficiency, and reduce overall energy loss in power-related projects.
Heat Source Evaluation
Steam & Heat Recovery
Fouling & Corrosion Control
Not every waste heat source needs the same equipment. Some projects need steam generation. Some need process preheating. Others need boiler feedwater heating.
Gelan helps you choose the right waste heat recovery equipment based on your heat source, temperature, recovery target, and plant layout.
Generate Steam from Waste Heat
For projects with high-temperature flue gas, turbine exhaust, reformer exhaust, or incinerator exhaust that can be recovered for steam or hot water generation.
Preheat Air, Fuel, or Feed
For furnace, reformer, combustion, and process heating systems where recovered heat can be used before the main heating step.
Recover Boiler Exhaust Heat
For boiler and steam generation systems where remaining exhaust heat can be used to preheat boiler feedwater.
Waste heat recovery equipment must do more than recover heat. It must fit your process duty, gas condition, pressure drop limit, site layout, and EPC review requirements. Gelan controls these details before fabrication, so the equipment is easier to approve, install, and operate.
Fit process calculation, energy balance, and project specs.
Your waste heat boiler, preheater, or economizer must match the real duty, not only the equipment name.
Gelan checks temperature, flow rate, heat load, pressure drop limit, steam demand, and utility target before fabrication.
Reduce fouling, blockage, corrosion, and maintenance risk.
Industrial waste heat recovery often handles high-temperature flue gas, dusty exhaust, acidic components, or process gas with fouling risk.
Gelan considers gas velocity, tube arrangement, cleaning access, corrosion allowance, and material selection during design review.
Recover usable heat without disturbing upstream operation.
More heat recovery is not always better if it increases gas-side resistance.
Gelan reviews heat duty, gas velocity, flow distribution, and pressure drop limit to protect system stability.
Support EPC review before shipment and final handover.
For EPC and owner review, fabrication records are part of delivery.
Gelan can provide drawings, MTC, NDT records, hydrotest reports, dimensional checks, and handover documents based on project requirements.
Make installation easier for new-build and revamp projects.
Many waste heat recovery projects are tied to existing furnaces, boilers, reformers, incinerators, DTO units, or turbine exhaust systems.
Gelan can support layout coordination, duct interface review, sectioned fabrication, and modular delivery when space, transport, or installation conditions are limited.


Waste heat recovery equipment is used in industrial projects where flue gas, exhaust gas, or process waste heat still carries reusable energy. Gelan supports custom heat recovery equipment for refinery, petrochemical, hydrogen production, and power-related systems.
Used in fired heaters, boilers, coking units, and other refinery systems to recover flue gas heat for steam generation, feedwater heating, or process preheating.
Supports petrochemical plants in recovering waste heat from cracking furnaces, process heaters, thermal oxidizers, and exhaust systems to improve heat utilization and reduce fuel loss.
Applied around reformers, steam systems, and related heating sections to recover high-temperature waste heat for steam generation, feed preheating, and efficiency improvement in hydrogen production projects.
Used in boiler, HRSG, turbine exhaust, and other energy systems to recover exhaust heat, improve thermal efficiency, and reduce overall energy loss in power-related projects.
Used in boiler, HRSG, turbine exhaust, and other energy systems to recover exhaust heat, improve thermal efficiency, and reduce overall energy loss in power-related projects.
Gelan is not only a single-equipment supplier. We support EPC teams, engineering companies, and plant owners with custom static equipment manufacturing, project coordination, inspection support, and delivery planning for industrial projects.
Built around real project specifications, not fixed catalog models.
Supports related static equipment across industrial process systems.
Key technical details are clarified before fabrication starts.
Production is planned around project schedule and delivery needs.
Basic supply based on limited standard designs.
Focuses mainly on one equipment type.
Quotation comes before technical clarification.
Delivery support may stop at factory completion.
Watch short videos from Gelan’s workshop, covering fabrication, welding, inspection, and delivery. See how waste heat recovery equipment is built for real industrial projects.
Your waste heat may be worth recovering if it still has usable temperature, stable flow, and a nearby reuse point.
You can review these points first:
If you already have heat source data, Gelan can help check whether a waste heat recovery system is practical for your project.
A WHRU means Waste Heat Recovery Unit. It is a general term for equipment that recovers usable heat from exhaust gas, flue gas, turbine exhaust, or process waste heat.
In real projects, a WHRU may refer to a waste heat boiler, HRSG, preheater, economizer, or a custom heat recovery package.
Yes. Waste heat recovery equipment can often be added to existing furnaces, boilers, reformers, incinerators, DTO units, turbine exhaust systems, or exhaust ducts.
For revamp projects, the key checks are:
Gelan can support sectioned fabrication or modular delivery when the site layout is limited.
It can, if pressure drop, gas resistance, or duct layout is not reviewed carefully.
A good exhaust heat recovery system should recover usable heat without disturbing upstream operation. Gelan reviews pressure drop limits, gas velocity, duct connection, and equipment layout before fabrication.
This helps reduce risks such as higher resistance, unstable draft, or site modification after delivery.
For a faster quote, send these project details:
These details help Gelan review the basic waste heat recovery system design direction and prepare a more accurate quotation.
Yes. Gelan supports EPC teams, engineering companies, and plant owners with custom equipment manufacturing and project coordination.
For industrial waste heat recovery projects, Gelan can support:
This helps the project move more smoothly through review, fabrication, delivery, and installation.
Gelan mainly provides custom waste heat recovery equipment. Based on project scope, we can also support related engineering coordination, equipment interfaces, modular fabrication, inspection documents, and delivery planning.
If your project needs a broader waste heat recovery solution, Gelan can work with your EPC or engineering team around the required equipment scope.
Send Gelan your heat source, temperature, flow rate, medium composition, pressure drop limit, recovery target, and site layout. We can help review the suitable waste heat recovery equipment direction and prepare a project-based quotation.