Low High Pressure Boiler Economizer with Max 60t/h Steam Production and Natural Circulation

Luogo di origine Zhangjiagang, Cina
Marca HD Boiler
Certificazione ISO9001,ASME,SGS,EN,TUV
Numero di modello Economizer di tipo nudo
Quantità di ordine minimo 10 tonnellate
Prezzo $2,200-2,500 / ton

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Dettagli
Tipo Circolazione naturale Struttura tubi di fuoco e tubi d'acqua
Pressione Basso/ad alta pressione Produzione di vapore Max. 60 t/h
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
Evidenziare

Max 60t/h Steam Production Boiler Economizer

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Low High Pressure Boiler Economizer

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Natural Circulation Boiler Economizer

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Descrizione di prodotto
Low / High Pressure Flue Gas Boiler Economizer Heat Exchanger Devices With Finned Tubes
Boiler Economizer
Low High Pressure Boiler Economizer with Max 60t/h Steam Production and Natural Circulation 0
Introduction
Economisers perform a key function in providing high overall boiler thermal efficiency by recovering low-level energy from flue gas before it is exhausted to the atmosphere. They recover this energy by heating the boiler feedwater. Economisers are tubular heat transfer surfaces used to preheat boiler feed water before it enters the steam drum or furnace surfaces, reducing operating costs by recovering extra energy from flue gas.
Procedure
Economisers reduce the potential for thermal shock and strong water temperature fluctuations as feed water enters the drum or waterwalls. They also help meet stringent environmental regulations limiting nitrogen oxides and sulfur dioxide emissions. The gas-side heat transfer coefficient is much lower than the water-side coefficient, so outer tube surfaces may be finned to increase heat transfer area. Economiser design aims to achieve necessary heat transfer at minimum cost, with maximum allowable flue gas velocity being a key criterion.
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 pitch 5-30
Fin tube length ≤12000
Material: Carbon Steel, Alloy, Austenitic Steel (Nickel and Chromium or Manganese)
Quality Control
  • 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 boiler quality
  • Hydraulic test report to ensure standard working pressure and safety
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