Carbon Steel Spiral Fin Tubes for Economizer

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  • Model NO.: Spiral Fin Tubes
  • Customized: Customized
  • Fuel: Coal
  • Type: Pressure Parts
  • Classification: Finned Tube, Spiral Tube
  • Application: Heat Exchanger Tubes
  • Lead Time: 30-60 Days
  • Trademark: HTEG
  • Specification: Customized size
  • HS Code: 8402119000
  • Certification: ISO
  • Surface Treatment: Painted
  • Range of Applications: Power station, Industrial
  • Name: Carbon Steel Spiral Fin Tubes for Economizer, Heat
  • Function: Heat Exchanger
  • Material: Carbon Steel, Alloy Steel or Equivalent
  • Port: Qingdao Port
  • Transport Package: Seaworthy Packing
  • Origin: Shandong, China

Carbon Steel Spiral Fin Tubes for Economizer
Introduction 

We can manufacture highfrequency welded spiral fin tubes  heater exchanger which are widely applied in electricity, petroleum, chemicals, and pharmacy industry. For example, economizer, air preheater, steam air heater, gas heater, liquid heater, steam heater, cooler, and flue gas heater.

The spiral fin tube economzier is a newly type heat transfer equipment, consisting of spiral fin tubes to overcome the serious abrasion and short service time.

Structure: consisted of a series of spiral finned tubes, the headers of inlet and outlet, bend, frame and other auxiliaries

Structure arrangement: in line/staggered arrangement
Carbon Steel Spiral Fin Tubes for Economizer
Technical specifications
High-frequency welded helical finned tube is a highly efficient heat transfer component, it consists of steel fins wrapped helically around steel pipe, and continuously welded using the high frequency electric current welding process so as to reduce the flow resistance and the metal consumpition, improve the efficiency of heat transfer equipment and operating reliability.

The heat transfer energy is more than 6-10times higher than the bare tubes.

Tube material: seamless steel, carbon steel

Fin Material: Carbon steel; stainless steel

Spiral fin tube specifications Unit: mm
Base tube OD 25-159
Base tube wall  thickness  2-8
Fin thickness 0.8-2
Fin height 10-30
Fin tube pitch 5-20
Fin tube length ≤1000
 

Accessories  and detailed pictures: 
Carbon Steel Spiral Fin Tubes for Economizer

Description : 

High frequency welded spiral fin tubes are made by high frequency welding crabon steel or ND steel belt  to the  carbon steel or ND steel . tubes. ND steel spiral steel is better than cabon steel spiral tubes in terms of corrosion resistance. So ND steel spiral tubes are maind applied for heat exchanger under environment expposed to corrosion. 
Application
Main technical advantages of our low temperature economizer 

1. The equipment body can be designed into many modules  to ensure the long term and stable running;

2. The low temperature economizer manufatured by our company can guarantee the wall temperature is 5-10 ºC higher than the acid , and flue outlet temperature is 10-15 ºC higher than the wall surface temperature

3. Wall surface temperature can be adjusted according to the boiler load and fuel changer to avoird corrosion under low temperature 

4. Changer the DCS system of the existing boiler to achieve the auto and remote control by computer 

Carbon Steel Spiral Fin Tubes for Economizer

Our company 
Shandong Hengtao Group, founded in 1995, is located in Gaomi City, Shandong Province. Hengtao Group has 470,000,000 RMB of total registered capital, 1,400,000 square meter of land coverage, about 2000 employees and over 3 billion RMB of total assets. 

Our Products: utility boiler, biomass boiler, heat recovery boiler and boiler parts, such as enamel tube air preheater, low temperature economizer, water wall, super heater and header, etc.
Customer visit and certificates
Carbon Steel Spiral Fin Tubes for Economizer
We have ISO 9001, ISO 14001 certificates.
We conform to ASME standard.


 

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