boiler water fouling

A Review on Boiler Deposition/Foulage Prevention and

The terms 'fouling' or 'water fouling' are general terms used to describe the presence or accumulation of unwanted material in water or on a component such as a heat exchanger. This can include scale, general dirt and debris, dissolved metals, or biological matter or bacteria, and can impede the usefulness of the application over time.

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Typical Causes of Slagging and Fouling Problems in Boilers

Typical Causes of Slagging and Fouling Problems in Boilers

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Boiler feedwater - Wikipedia

Fouling Factors for a variety of typical thermal applications. Conditions: cooling water < 50 ° C cooled fluid < 120 ° C: cooling water > 50 ° C

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Heat Transfer Typical Fouling Factors Values

Jun 01, 2015 · Typical Causes of Slagging and Fouling Problems in Boilers 1. The line of demarcation. The tube spacing of all boilers becomes progressively more restrictive as the heat transfer 2. Location, location, location. Furnace oxygen content instrument readings can be inaccurate due to the location of

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Heat Exchanger Fouling Factors chart : water, processing water

Water. Fouling Resistance. Fouling Resistance (ft 2-°F-hr/BTU) (ft 2-°F-hr/BTU) water temperature. 125°F or less. over 125°F. water velocity. 3 ft/s or less. over 3 ft/s. 3 ft/s or less. over 3 ft/s : Boiler Blowdown Water. 0.002 0.002. 0.002. 0.002. Brackish Water . 0.002 . 0.001. 0.003. 0.002. Condensate. 0.0005. 0.0005. 0.0005. 0.0005. Cooling Tower Water (treated)

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Typical Causes of Slagging and Fouling …

Engineering Page > Heat Exchangers > Typical Fouling Factors

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Engineering Page > Heat Exchangers > Typical Fouling Factors

When boiler water turns to steam solids are left behind. Bottom blowdown and surface blowdown are two methods to reduce solids and help maintain your system. Side Stream Filtration

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