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Nuclear Power Plants PowerPoint PPT Presentation


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Nuclear Power Plants. Nuclear Power Plant Turbine and Generator. Steam. Spinning turbine blades and generator. Boiling water. Nuclear Energy Powers 1 in 5 U.S. Homes and Businesses. Uranium Is Mined and Refined. Uranium Ore  Uranium hexafluoride  Gas  Solid.

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Nuclear Power Plants

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Nuclear Power Plants


Nuclear Power PlantTurbine and Generator

Steam

Spinning turbine blades and generator

Boiling water


Nuclear Energy Powers 1 in 5 U.S. Homes and Businesses


Uranium Is Mined and Refined


Uranium Ore  Uranium hexafluoride  Gas  Solid


Enrichment Concentrates the Uranium Isotope


Uranium Is Encased in Solid Ceramic Pellets


Fuel Rods Filled With Pellets Are Grouped Into Fuel Assemblies


Spit atoms

Neutrons

Uranium atom

Nuclear Energy Comes From Fission


Heat

Neutrons

Splitting Atoms Releases Neutrons, Making Heat


Steam

Generator

Steam produced

Turbine

Electricity

Heat

Heat Produces Steam, Generating Electricity


Controlling the Chain Reaction

Fuel

Assemblies

Control rods

Withdraw control rods,

reaction increases

Insert control rods,

reaction decreases


Boiling Water Reactor


Steam

Pressurized Water Reactor


Safety Is Engineered Into Reactor Designs

Containment Vessel

1.5-inch thick steel

Shield Building Wall

3 foot thick reinforced concrete

Dry Well Wall

5 foot thick reinforced concrete

Bio Shield

4 foot thick leaded concrete with

1.5-inch thick steel lining inside and out

Reactor Vessel

4 to 8 inches thick steel

Reactor Fuel

Weir Wall

1.5 foot thick concrete


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