Wood Fired Portable Steam Boiler Economizer with 1 Year Warranty for Industrial Use
Product Details
| Type: | Natural Circulation | Structure: | Fire Tube And Water Tube |
|---|---|---|---|
| Pressure: | Low / High Pressure | Style: | VERTICAL |
| Fuel: | Coal-fired | Output: | Hot Water / Steam |
| Surface Treatment: | Painted | Bare Pipe OD: | 25-1650 Mm |
| Bare Pipe Thickness: | 2-40 Mm | Fin Thickness: | 0.6-3.0 Mm |
| Fin Height: | 5-30 Mm | Fin Tube Pitch: | 5-30 Mm |
| Fin Tube Length: | ≤12000 Mm | Material: | Carbon Steel, Alloy, Austenitic Steel |
| Flue Gas Velocity: | Maximum Allowable | ||
| Highlight |
Wood Fired Economizer,Portable Steam Boiler Economizer,1 Year Warranty Economizer |
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Product Description
The economizer plays a crucial role in enhancing overall boiler thermal efficiency by recovering low-level energy from flue gas before it's exhausted to the atmosphere. This energy recovery occurs through heating the boiler feedwater. Economizers are tubular heat transfer surfaces that preheat boiler feed water before it enters the steam drum or furnace surfaces, significantly reducing operating costs by recovering extra energy from flue gas.
Economizers minimize thermal shock risks and water temperature fluctuations as feed water enters the drum or waterwalls. They also accommodate increasingly stringent environmental regulations limiting nitrogen oxides and sulfur dioxide emissions. The design compensates for the lower gas-side heat transfer coefficient compared to water-side through finned outer tube surfaces that increase heat transfer area. The primary design objective is achieving necessary heat transfer at minimal cost, with flue gas velocity being a key criterion - higher velocities improve heat transfer and reduce capital costs.
| 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)
- 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 complete boiler quality
- Hydraulic test report to verify standard working pressure and safety
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