316L Boiler Economizer Stainless Steel H Type Economizer Coil
Product Details
| Material Grade: | 316L Stainless Steel | Fin Type: | H-Type Finned Tubes |
|---|---|---|---|
| Tube Diameter: | 32-51 Mm | Welding Method: | Resistance Welding |
| Fouling Resistance: | Anti Ash Bridging | Application: | Biomass Boiler Retrofit |
| Design Pressure: | Subcritical | Coil Configuration: | Customized |
| Highlight |
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Product Description
316L Stainless Steel H-Type Finned Economizer Coil
Usage and Application
The H-type finned economizer coil is designed for biomass and solid-fuel boilers where compact heat transfer and strong fouling resistance are required. Its parallel gas flow channels resist ash bridging and keep the heating surface clean, so the coil can deliver high thermal recovery within a small flue gas footprint.
Manufacturing Capability
- Resistance welding of H-type fins produces a robust, high-surface-area heating element
- Precision tube-sheet assembly and computer-controlled welding for uniform quality
- Custom coil geometry, header orientation and material matching to the boiler envelope
- Dimensional inspection and air-tightness testing on every finished bundle
Material Specification
316L stainless steel tubes are used for their excellent corrosion resistance in biomass and waste-to-energy flue gases, extended service life and cleanability. Carbon steel and ND steel options are also available for less aggressive streams.
Typical Parameter Specifications
| Specification | Technical Details |
|---|---|
| Tube Material | 316L Stainless Steel |
| Fin Type | H-Type Finned Tubes |
| Tube Diameter | 32 mm to 51 mm |
| Welding Method | Resistance Welding |
| Fouling Resistance | Anti Ash Bridging |
| Design Pressure | Subcritical Ratings |
| Manufacturing Standard | ASME, CE / PED |
| Target Application | Biomass and Waste-to-Energy Boilers |
About Boyu Heavy Industry
Boyu Heavy Industry is a premier global manufacturer of advanced power generation equipment and boiler pressure parts. With decades of thermal engineering expertise, an in-house R&D team and a fully equipped fabrication workshop, we deliver custom-engineered economizers that meet the rigorous commercial operation targets of international power projects.
OEM & Custom Manufacturing
We provide complete OEM and bespoke manufacturing. From material selection and engineering drawings to CNC tube bending, automatic welding, heat treatment and non-destructive testing, every step is controlled in our own plant. Custom tube diameters, wall thicknesses, fin types, header layouts and coil configurations are all available to match your project parameters.
Frequently Asked Questions (FAQ)
Why choose 316L stainless steel for a biomass boiler economizer?
316L offers strong resistance to the chlorides and corrosive compounds found in biomass flue gas, extending service life and reducing maintenance.
How does the H-type fin design reduce fouling?
The parallel gas channels created between H-type fins resist ash bridging and allow cleaning devices to work effectively, keeping heat transfer stable over time.
Can the fin pitch be customized?
Yes. Fin pitch, fin height and coil dimensions are engineered to your gas velocity, dust loading and heat duty requirements.
Product Highlights
316L stainless steel H-type finned economizer coil for biomass boiler retrofit, resistance welded with anti-fouling geometry and custom dimensions.
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