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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Painted Red Boiler Fin Tube High Efficiency ASME Standard Third Party Inspection

Zhangjiagang HuaDong Boiler Co., Ltd.
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Zhangjiagang HuaDong Boiler Co., Ltd.
Province/State: Jiangsu
Country/Region: China
Tel: 86-512-58666196
Contact Person:
Miss Sandy Chen

Painted Red Boiler Fin Tube High Efficiency ASME Standard Third Party Inspection

Brand Name : HD Boiler
Model Number : H-type
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : China
MOQ : 1 Set / Sets 10tons
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 500 Tons per month
Delivery Time : 60 days
Packaging Details : Seaworthy Packing
Material : Carbon steel / Alloy steel
Painting : Red / Blue / Grey /Blue
Standard : ASME Standard or GB
Dimension : Customized
Sales Location : Middle East
Type : Natural circulation
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Boiler finned tube painted red exported middle east area high efficiency ASME standard third party inspection


Introduction


1. Economiser performs a key function in providing high overall boiler thermal efficiency by recovering the low level energy from the flue gas before it is exhausted to the atmosphere.


2. Economiser recovers the energy by heating the boiler feedwater.


3. Economiser are basically tubular heat transfer surfaces used to preheat boiler feed water before it enters the steam drum or furnace surfaces.


4. Economiser reduces operating costs or economise on fuel by recovering extra energy from the flue gas.


5. Boiler economizers are heat exchange devices with finned tubes that heat a liquid, sometimes water, up to however sometimes doesn't exceed the boiling purpose of liquid.


6. We can manufacture three types of boiler economizer, bare tube economzier, H finned tube economzier and spiral finned tube economzier.


Procedure


1Economisers also reduce the potential of thermal shock and strong water temperature fluctuations as the feed water enters the drum or waterwalls.
2Increasingly stringent environmental regulations limiting nitrogen oxides and sulfur dioxide emission can also affect economizer design.
3The 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.
4The ultimate goal of economizer design is to achieve the necessary heat transfer at minimum cost.
5A key design criterion for economizer is maximum allowable flue gas velocity. Higher velocity provide better heat transfer and reduce capital cost.

Specifications

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 pitch5-30
Fin tube length≤12000

Material:Carbon Steel,Alloy,Austenitic Steel(Nickel and Chromium or Manganese)


Quality Control


1Impact test and Strength calculation report with applied materials information.
2100%NDT(non-destructive inspection) report of steel plate, tube and electrode.
3X-ray, γ-ray and liquid penetrant test inspection report (welding seam): to ensure the quality of the entire boiler.
4Hydraulic test report: ensure the standard working pressure and safety.



Product Tags:

spiral fin tube

      

heat exchanger fin tube

      
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