QINGLI Specialist Site · Waste Heat Recovery
Turn Waste Heat Into Usable Energy
Heat recovery heat exchangers engineered for industrial exhaust, coating machines and drying lines. We size every unit against your real gas flow, temperatures and allowable pressure drop.
A focused resource from QINGLI. For our full product range, visit the QINGLI main site ↗
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Heat Exchangers for Heat Recovery Duty
Finned Tube Radiator
Finned tube radiators and finned tubes in various specifications for air heating, drying and heat recovery duty.
View product →Tubular Heat Exchanger
Seamless steel tube and tubular heat exchangers for higher pressure and temperature process duties.
View product →Chilled Water Coil (Surface Cooler)
Chilled water surface coolers, evaporator and condenser coils produced at Qingli's second production base.
View product →Boiler Economizer & Waste Heat Recovery Unit
Recover heat from boiler flue gas and industrial exhaust with a Qingli economizer, engineered to your gas flow and temperature profile.
View product →Plate Heat Exchanger
Plate heat exchangers for liquid-to-liquid heat transfer in HVAC, process heating and heat recovery loops.
View product →Air Heat Exchanger (Steam Coil)
Steam and hot-water air heat exchanger coils for process air heating, drying and HVAC applications.
View product →Knowledge Base
Engineering Notes on Heat Recovery
Waste Heat Recovery Heat Exchangers: A Practical Sizing Guide
The operating data you need before sizing a waste heat recovery heat exchanger, and how engineers turn exhaust heat into a bankable proposal.
2026-11-05Boiler Economizers: Cutting Fuel Cost Without Risking Corrosion
How boiler economizers recover flue gas heat, why cold-end temperature matters, and what to check before a retrofit.
2026-11-04How to Select a Plate Heat Exchanger: A Practical Guide
A buyer-focused walkthrough of the inputs, parameters and trade-offs involved in sizing a plate-and-frame heat exchanger.
2026-10-20Have an Exhaust Stream Worth Recovering?
Send us your flow rate, inlet/outlet temperatures and gas composition — our engineers return a sized heat recovery proposal.
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