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How Do the Boilers of a Coal Fired Power Plant Work

Time:2015-08-06 13:59:47 Auther: Ailsa from ZG Boiler

How do the coal fired power plant boiler work is a question that many people concerned. It is our pleasure to give you a brief introduction about the work principle of coal fired power plant boiler.

In a coal-fired steam station—much like a nuclear station—water is turned into steam, which in turn drives turbine generators to produce electricity.

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1. Heat is created

Before the coal is burned, it is pulverized to the fineness of talcum powder. It is then mixed with hot air and blown into the firebox of the boiler. Burning in suspension, the coal/air mixture provides the most complete combustion and maximum heat possible.

2. Water turns to steam

Highly purified water, pumped through pipes inside the boiler, is turned into steam by the heat. The steam reaches temperatures of up to 1,000 degrees Fahrenheit and pressures up to 3,500 pounds per square inch, and is piped to the turbine.

3. Steam turns the turbine

The enormous pressure of the steam pushing against a series of giant turbine blades turns the turbine shaft. The turbine shaft is connected to the shaft of the generator, where magnets spin within wire coils to produce electricity.

4. Steam turns back into water

After doing its work in the turbine, the steam is drawn into a condenser, a large chamber in the basement of the power plant. In this important step, millions of gallons of cool water from a nearby source (such as a river or lake) are pumped through a network of tubes running through the condenser. The cool water in the tubes converts the steam back into water that can be used over and over again in the plant.

All of the four steps are the brief work principle of coal fired power plant boiler. I hope it can help you to know how power plant boiler work. If you still have any questions, please contact us, we will try our best to help you.
 

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