explain the role of the hot surface of the boiler

Working principle of Economizer - BrainKart

Boiler efficiency is a measure of how effectively chemical energy in fuel is converted into heat energy in steam going to the turbines. The largest boiler efficiency loss is sensible heat lost as hot flue gases (and ash) exit the boiler. Unburned carbon losses equate to the fraction of combustible fuel which is not burned in the boiler.

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Boiler Efficiency - an overview | ScienceDirect Topics

Steam Boiler - Definition, Working Principle, Types, and

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Boiler Efficiency and Combustion | Spirax Sarco

Because the boiler is hotter than its environment, some heat will be transferred to the surroundings. Damaged or poorly installed insulation will greatly increase the potential heat losses. A reasonably well-insulated shell or water-tube boiler of 5 MW or more will lose between 0.3 and 0.5% of

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Steam Boiler - Definition, Working Principle, Types, and

A boiler is a vessel in which water is continuously vaporized into steam by the application of heat. A primary objective in designing a boiler is to provide for the greatest possible efficiency in absorption of heat. Other objectives are production of pure steam and safe, reliable operation.

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CHAPTER 39 BOILER WATER TREATMENT

Steam Boiler - Definition, Working Principle, Types, and

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Boiler Mountings And Their Function - Complete List

Steam Boiler - Definition, Working Principle, Types, and

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th Class (PE Syllabus) - SOPEEC

High temperatures in the boiler water reduce the solubility of calcium sulphate and tend to make it precipitate out directly on the boiler metal as scale. Consequently calcium sulphate must be reacted upon chemically to cause a precipitate to form in the water where it can be

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How Are Steam Boilers Used in Hospitals? | Miura America

Aug 05, 2018 · Why most boiler drums are cylindrical in shape? Heat is lost along the surface; so for a alloy steel body which stores hot water and steam the minimum surface area possible will be a sphere. A sphere is the best design possible as it not only reduce heat loss but also withstand extreme pressure.

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Gas central heating boilers and furnaces - How do they work?

Jun 18, 2008 · The boiler burns the gas to make hot jets that play on a heat exchanger (essentially a copper pipe containing water that bends back and forth several times through the gas jets so it picks up the maximum amount of heat). The heat energy

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