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| Categories | Boiler Fin Tube |
|---|---|
| Brand Name: | HD BOILER |
| Model Number: | Spiral/ TYPE |
| Certification: | ISO9001 , SGS , TUV , ASME , EN |
| Place of Origin: | China |
| MOQ: | 1 set |
| Price: | Negotiable |
| Payment Terms: | Western Union |
| Supply Ability: | 1200 Tons Per Month |
| Delivery Time: | 50 Days |
| Packaging Details: | Iron Frame Packing |
| Standard: | ASME |
| Material: | Stainless Steel / ND Steel / Carbon Steel / Alloy Steel |
| Bare Tube: | Cold Finished |
| Welding: | High Frequency welding |
| Type: | Industrial boiler |
| Specification: | Customized |
| Company Info. |
| Zhangjiagang HuaDong Boiler Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Boiler Spiral Finned Tube For Economizer And Heat Exchanger High Frequency Welding
Boiler Spiral Finned Tube For Economizer And Heat Exchanger High
Frequency Welding
Quick Details
Compact Structure Heat Exchanger H Finned Tube Economizer for CFB
Boiler has won the title of high-tech products, and received a
patent for utility model and design.
H-economizer, also known as H-fin tube, H-type finned tubes, it is
to have between two steel circular symmetry with fluorescent tubes
welded together to form fins (fin-or butterfly-chip) positive shape
Much like letter "H", so called H-fin tube.
HTEG work closely with generators and power stations when
considering retrofit or replacement units to offer the latest
designs to maximize performance and effiency. The steel H product
had evolved to enable the best possible engineering solutions.
Bespoke fin shapes can be developed to suit individual
applications.
Application
Compact Structure Heat Exchanger H Finned Tube Economizer for CFB
Boiler used in utility boilers, industrial boilers, marine power,
such as the tail of heat exchanger components.
Procedure
| 1 | Economisers also reduce the potential of thermal shock and strong water temperature fluctuations as the feed water enters the drum or waterwalls. |
| 2 | Increasingly stringent environmental regulations limiting nitrogen oxides and sulfur dioxide emission can also affect economizer design. |
| 3 | The gas-side heat transfer coefficient is much less than water side heat transfer coefficient. To compensate this, outer surface of the tubes may be finned to increase the surface area of heat transfer. |
| 4 | The ultimate goal of economizer design is to achieve the necessary heat transfer at minimum cost. |
| 5 | A key design criterion for economizer is maximum allowable flue gas velocity. Higher velocity provide better heat transfer and reduce capital cost. |
Specifications
Various boiler fin tubes can be customized
| Name(unit) | Specification(mm) |
| Bare pipe(OD) | 25-1650 |
| Bare pipe(Thickness) | 2-40 |
| Fin (Thickness) | 0.6-3.0 |
| Fin (Height) | 5-30 |
| Fin tube thread pitch | 5-30 |
| Fin tube length | ≤12000 |
Material:Carbon Steel,Alloy,Austenitic Steel(Nickel and Chromium or
Manganese)
Quality Control
| 1 | Impact test and Strength calculation report with applied materials information. |
| 2 | 100%NDT(non-destructive inspection) report of steel plate, tube and electrode. |
| 3 | X-ray, γ-ray and liquid penetrant test inspection report (welding seam): to ensure the quality of the entire boiler. |
| 4 | Hydraulic test report: ensure the standard working pressure and safety. |
Company Introduction
For over 30years, Hua Dong Boiler has been consistently innovating and improving our boiler superheaters and reheaters.The improvements in bending,welding and design ensure our products meet both Euorpean and American standards, ensuring a relabile performance..
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