Industrial Usage Boiler Economizer with Natural Circulation and 1 Year Warranty for Energy Saving
Dettagli del prodotto
| Tipo: | Circolazione naturale | Struttura: | tubi di fuoco e tubi d'acqua |
|---|---|---|---|
| Pressione: | Basso/ad alta pressione | Stile: | Verticale |
| Carburante: | Fabbricazione a carbone | Produzione: | Acqua calda/vapore |
| Trattamento superficiale: | Dipinto | Pipa nuda OD: | 25-1650 mm |
| Spessore del tubo nudo: | 2-40 mm | Spessore delle pinne: | 00,6-3,0 mm |
| Altezza delle pinne: | 5-30 mm | Fin tubetto: | 5-30 mm |
| Lunghezza del tubo pinna: | ≤12000 mm | Materiale: | Acciaio al carbonio, lega, acciaio austenitico |
| Prova idraulica: | Pressione di esercizio standard | ||
| Evidenziare |
Industrial Usage Boiler Economizer,Natural Circulation Boiler Economizer,1 Year Warranty Boiler Economizer |
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Descrizione del prodotto
The economizer performs a key function in providing high overall boiler thermal efficiency by recovering low-level energy from flue gas before it's exhausted to the atmosphere. This energy recovery occurs by heating the boiler feedwater.
Economizers are tubular heat transfer surfaces that preheat boiler feed water before it enters the steam drum or furnace surfaces. They reduce operating costs by recovering extra energy from flue gas, resulting in significant fuel savings.
Economizers also reduce the potential for thermal shock and strong water temperature fluctuations as feed water enters the drum or waterwalls. Increasingly stringent environmental regulations limiting nitrogen oxides and sulfur dioxide emissions can affect economizer design.
The gas-side heat transfer coefficient is much less than the water-side coefficient. To compensate, the outer surface of tubes may be finned to increase heat transfer surface area. The ultimate goal of economizer design is to achieve necessary heat transfer at minimum cost, with maximum allowable flue gas velocity being a key design criterion.
| 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 the quality of the entire boiler
- Hydraulic test report to ensure standard working pressure and safety
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