|Place of Origin:
|ISO9001 , SGS , TUV , ASME , EN
|Spiral Fin Tube
|Minimum Order Quantity:
|Iron Frame Packing
|30 - 60 Days
|1500 Tons Per Month
|Material Of Tube:
|SA 210 GR.A1
|Material Of Fin:
|Boiler Spiral Fin Tube
|Boiler System And Industrial System
|ISO9001,ASME, EN, SGS
High Efficiency Industrial Boiler Fin Tube,
Stainless Steel Boiler Spiral Fin Tube,
SA 210 Boiler Spiral Fin Tube
High Efficiency Industrial Stainless Steel Boiler Spiral Fin Tube For Heat Exchange
At present, spiral finned steel tubes are mostly winding, high frequency welding and brazing spiral finned steel tubes. The intergal spiral finned steel tubes have become t renewal product of the above three types of spiral finned steel tubes because of its long service life, stable heat transfer performance and obvious every saving effect. Their advantages are shown in the following aspects:
1. Long service life, more than 3 times as long as that of winding welded finned steel tubes.
2. Arc cutting of fin root and tube and smooth surface of fins completely eliminate the phenomenon of ash accumulation, ash plugging and slagging of other forms of fin tubes due to the uneven folding of fin root.
3. Hot rolling technology is sued to improve the density, yield strength, tensile strength and wear resistance of metal structure.
4. Because the fin and tube are integral and distributed in spiral band, the pressure bearing capacity of integral spiral finned tubes is more than 3 times of that of seamless steel tube with the same thickness and inner diameter.
5. Wear resistance, which solves the problem of serious wear of convective heating surface of coal-fired boiler due to high wind speed and high ash concentration (especially circulating fluidized bed boilers).
6. The integral fin-tube structure completely eliminates the contact thermal resistance that other fin-tube structure can not overcome. In addition, the longitudinal section of fin is trapezoidal structure, so the heat transfer efficiency is improved to the greatest extent.
7. The expanded surface heat exchange of integral spiral fin is adopted. Under the same working conditions, the heat transfer coefficient of tube bundle is 3.5-5.5 times of that of seamless steel tube with the same thickness and inner diameter, and twice of that of welded spiral fin steel tube with the same specification.
8. Fins and tubes are integral structure, so they can be used in high temperature and harsh environment. There will be no instability of heat transfer performance caused by the relaxation and shedding of fins in other forms of finned steel tubes.
|Impact test and Strength calculation report with applied materials information.
|100%NDT(non-destructive inspection) report of steel plate, tube and electrode.
|X-ray, γ-ray and liquid penetrant test inspection report (welding seam): to ensure the quality of the entire boiler.
|Hydraulic test report: ensure the standard working pressure and safety.
Established in 1985,Zhangjiagang Hua Dong Boiler Co.,Ltd.(trading as HD Boiler),produces power plant; industrial; waste heat; waste incineration; biomass; organic heat carrier and electric steam boilers. Coupled with a comprehensive range of heating surfaces, HD Boiler brings to the market a unique service including boiler design , fabrication, installation, maintenance and replacement of boiler pressure parts.
Contact Person: Miss. Sandy Chen
Fax: 86- 512-58774453
Address: Address: N0.1, Dongli Road, Donglai, Zhangjiagang City, Jiangsu Province, China
Factory Address:Address: N0.1, Dongli Road, Donglai, Zhangjiagang City, Jiangsu Province, China