Scotch marine boiler - Wikipedia

A "Scotch" marine boiler is a design of steam boiler best known for its use on ships. Sectional diagram of a "wet back" boiler The general layout is that of a squat horizontal cylinder. One or more large cylindrical furnaces are in the lower part of the boiler shell. Above this are many small-diameter fire-tubes. Gases and smoke from the furnace pass to the back of the boiler, …

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Basics of hot water heating boilers - Specifying Engineer

KEY COMPONENTS OF BOILERS | Boilers Guide

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Wet Returns - Heating Help

UNIQUE FEATURES This four pass wet-back firetube boiler is ruggedly constructed for hot water or low and high pressure steam applications. Ranging in size from 100-800 horsepower, this gas, #2 oil or combination fired product is a highly engineered and fully compatible boiler/burner package featuring excellent fuel to steam/water efficiency, space savings, low emissions, Excellent efficiency: Attaining high fuel to steam/water …

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Firetube Boilers - Two Pass Wet-Back (SG) - Performance

The SG Firetube Boilers are our direct fired two pass wet back boilers. The burner fires down the center of the firetube, which is located on the lower half of the boiler. The flame travels down the firetube and enters the inversion chamber. The exhaust gases then …

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Full Automation Compact Gas Fired Wet Back Steam Boiler

Basics of hot water heating boilers - Specifying Engineer

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HIGH EFFICIENCY, LOW EMISSIONS Wet-Back Firetube Boilers

Basics of hot water heating boilers - Specifying Engineer

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CE Approved Wet Back Gas Fired Packaged Steam Boiler

3-pass and wet-back are designed to avoid the damage of back tube sheet from the high temperature smoke. 2.2 Compact desegn Threaded firetube and corrugated furnace are used to increase the heating area. That allows over 30% of the energy to be absorbed …

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Steam boilers from Bosch - highly efficient and reliable

Sep 18, 2020 · The back of the boiler is constructed with a refractory lined door (dry back) or water filled (wet back). The wet back boiler is more difficult to construct and requires extra seals, so it is more expensive, but the increased heat transfer area improves efficiency. Fire-tube boilers are constructed of ferrous metals. Cast iron sectional boilers are made of modular cast iron sections. The combustion chamber is low in the boiler …

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03 Related wet back gas steam boiler component information