Waste Heat Recovery System: Waste heat recovery system is the heat which is not at all used and exhausted out as a waste product. Waste heat is normally available from the industry in the form of process steam and water at high temperature. In every type of industry, the waste heat is also discharged with […]
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Binary Vapour Cycle – Schematic Diagram and its Workings: The maximum efficiency is achieved in carnot cycle. To increase the efficiency of the actual engine, ie to approach the carnot cycle efficiency, the total heat should be supplied at constant temperature T1 and rejected at T2. This can be achieved only by using wet vapour
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Feed Water Treatment in Power Plant and Types: Raw water coming from different sources contains dissolved salts and un-dissolved or suspended impurities. Therefore it is necessary to remove harmful salts dissolved into the water before feeding it to the boiler. It is Feed Water Treatment. Need for feed water treatment: Scaling on the inside wall
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Overfeed Stoker and Underfeed Stoker – Definition and Types: There are two common methods used for burning coal. 1. Stoker firing 2. Pulverised fuel firing. The stoker firing method is used for firing solid coal where as pulverised firing method is used for firing pulverised coal. Stokers are generally used to fire solid fuels in
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Draught System in Power Plant – Definition and Classification Draught is an essential part in thermal power plant. The functions of the draught system are: To supply required quantity of air to the furnace for combustion of fuel. To draw the combustion products through the system. To remove burnt products from the system. Draught is
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Fuel Handling System and Ash Handling System: Handling of coal: The coal handling is divided into two types: Out-plant handling. In-plant handling. 1. Out-plant handling: This handling includes the handling of coal from coal mine to the thermal power plant. These handlings are done outside the plant in the following ways. (a) Transportation by sea
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What is Boiler Mountings? – Types and its Workings The devices used for the efficient operation, proper maintenance, safe operation, etc are called Boiler mountings. The different boiler mountings are given below 1. Water Gauge or Water Level Indicator: It indicates the level of the water inside the boiler. It is a glass tube covered
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What is a Cooling Tower? – Types of Cooling Tower Cooling Tower is used to cool the water, and its height is about 140 Meters. The hot water is to pumped the tower top and falls down through the tower and is broken into small particles while passing over the baffling devices. Air enters the
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Types of Chimney in Power Plant: Chimney in Power Plant is used to release flue gas into the atmosphere. The chimney is constructed 2.5 to 3 times of height of the power plant. The main purpose of this is to emit the flue gas at a considerable height to avoid nuisance to the surrounding people.
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Electrostatic Precipitator (ESP) – Construction and Working Principle: Electrostatic Precipitator is located between the boiler and the chimney, it extracts the fly ash from the flue gases and thus prevents the fly ash from entering the atmosphere. Electrodes are used to attract the fly ash when the flue gas coming out of the boiler is
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