Economizer ND Steel Heat Exchange Spiral Fin Tube High Temperature Piping
Product Details
| Standard: | ASME Standard Or GB | Material: | ND Steel / Carbon Steel / Alloy Steel |
|---|---|---|---|
| Bare Tube: | Cold Finished | Connection Type: | Welding |
| Type: | High Temperature Piping | Application: | Heater Parts, Coal Economizer Of Boiler, Heat Recovery Boiler |
| Highlight |
Economizer spiral fin tube,ND Steel Spiral Fin Tube,ND Steel Heat Exchanger Fin Tube |
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Product Description
Powerful Heat Exchange Elements Are Mostly Used in Boilers, Spiral Fin Tube Boiler Components
Introduction
Description of Spiral Finned Tubes:
The spiral fin steel pipes currently used are mostly wound, high frequency welded and brazed spiral fin steel pipes.
The advantages of spiral fin steel pipes are as follows:
1. Long service life, is more than 20 years;
2. The surface of the fin is smooth, and it is not easy to produce ash accumulation, ash blocking and slagging.
3. It has good density, yield strength, tensile strength and wear resistance of metal structure.
4. The welding quality is high, so that it is not easy to cause unstable heat transfer performance because of fin loosening and falling off.
Application of Spiral Fin Tubes:
Waste heat boiler tube;
Economizer tube;
Power station boiler tube;
Marine boiler tube;
Heat exchanger
Technical parameter
| Medium | air, flue gas, thermal oil, water, brine, refrigerant, etc. |
| Temperature | standard heat exchanger to 560 ° C by special materials can be higher |
| Pipe materials | carbon steel, stainless steel, alloy or special materials |
| Ribs materials | carbon steel, stainless steel, non-ferrous metal, alloy or special materials |
| Thermal insulation &Surface treatment | according to customers specification |
Features
Features
1. The equipment body can be designed into many modules to ensure the long term and stable running.
2. Compact structure which can enlarge the heat exchanging area in order to add the heat transfer area and less leakage.
3. Improve the heat transfer efficiency.
4. Structure arrangement: In line or staggered arrangement.
| Spiral Wrapped Fin | |
| Features | Advantages |
| Each tube is individually finned | Increased thermal conductivity |
| Less fin material used | |
| Ability to replace a single damaged tube | |
| More compact fin bundle | |
| Tube face and row centers can vary | |
| Allows coil to better fit with existing case height | |
| Pitch to drain a multi-row for vertical airflow | |
| Tension Bond | Use various fin and tube materials |
| Use various fin and tube thicknesses | |
| Embedded Fin | Maintain fin bond at high temperatures |
| Header | Accommodates header thermal expansion |
| Allows longer header stubs | |
Details
1.Our products can be modified according to our customers' needs and the situation.
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
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.
Product Highlights
Powerful Heat Exchange Elements Are Mostly Used in Boilers, Spiral Fin Tube Boiler Components Introduction Description of Spiral Finned Tubes: The spiral fin steel pipes currently used are mostly wound, high frequency welded and brazed spiral fin steel pipes. The advantages of spiral fin steel pipes ...
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