Zhangjiagang HuaDong Boiler Co., Ltd.
| 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 |
| Brand Name | HD BOILER |
| Model Number | Spiral/ TYPE |
| Certification | ISO9001 , SGS , TUV , ASME , EN |
| Place of Origin | China |
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Product Specification
| 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 |
| Brand Name | HD BOILER | Model Number | Spiral/ TYPE |
| Certification | ISO9001 , SGS , TUV , ASME , EN | Place of Origin | China |
| High Light | ASME Boiler Fin Tube ，Cold Finish Boiler Fin Tube ，boiler cold finish fin tube | ||
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..
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1985
Total Annual:
100,000,000-120,000,000
Employee Number:
1000~1100
Ecer Certification：
Verified Supplier
Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ... Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ...
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