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10 MW Coal Fired Power Plant Boiler

This article talks about coal fired power plant boiler with the output capacity of 10MW. The 10 MW coal fired power plant boiler is based upon coal fired circulating Fuel Bed (CFB) technology, in which the boiler-based power generation is as the preferred fuel/cycle combination for power generation. More than half of the electricity generated in the world is by using coal as the primary fuel. The function of the coal fired power plant is to convert the energy available in the coal to electricity. ZG Boiler is the industrial boilers manufacturer, ad we can supply coal fired power plant boiler and biomass fired power plant boiler to meet different ares’ need.

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How Does Coal Power Plants Produce Electricity?

The conversion from coal to electricity takes place in three stages.

Stage 1

The first conversion of energy takes place in the boiler. Coal is burnt in the boiler furnace to produce heat. Carbon in the coal and Oxygen in the air combine to produce Carbon Dioxide and heat.

Stage 2

The second stage is the thermodynamic process.
The heat from combustion of the coal boils water in the boiler to produce steam. In modern power plant, boilers produce steam at a high pressure and temperature.
The steam is then piped to a turbine.
The high pressure steam impinges and expands across a number of sets of blades in the turbine.
The impulse and the thrust created rotates the turbine.
The steam is then condensed and pumped back into the boiler to repeat the cycle.

Stage 3

In the third stage, rotation of the turbine rotates the generator rotor to produce electricity based of Faraday’s Principle of electromagnetic induction.

Characteristics 10 MW Coal Fired Power Plant Boiler

Lower operating temperature, around 900°C, relative to pulverized coal combustion

Bed materials and coal/char particles circulating throughout the furnace and return leg at high velocity, 3-8m/sec

Fuel flexibility – from high to low-grade fuels, biomass and opportunity fuels

Uniform heat flux

Excellent load-following capability

In-situ sulfur dioxide capture rather than flue gas desulfurisation as in pulverized coal combustion, and higher calcium utilization

Lower NOx formation relative to pulverized coal combustion due to lower operating temperature

Improved combustion efficiency due to longer residence time of the circulating solids, relative to pulverized coal combustion

Less erosive ash relative to pulverized coal combustion

Compact boiler size

Simplified fuel feeding, pulverization is not required, crushing is sufficient

Pre:Steam Consumption for 1 MW of Electricity

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