There is a high temperature reactor conference at the site of China HTR-PM (pebble bed reactor) from Oct 27-31. The HTR-PM is under construction.
* Single zone, pebble bed
* Super heat steam turbine (higher temperature for more efficiency)
* Like conventional turbine in fossil plant
* 1 turbine with 2 reactors
* More reactors are possible in future
* Modular concept : Inherently passively safety
* Simplified safety system
* Standard design
* Duplicable for future
Roles of HTGR in China
* Supplementary for electricity generation to the big pressure water reactors PWR
– Suitable for process heat application
– Suitable for international market
– SMR is more flexible for developing countrie
Here is a 2014 presentation on the HTR-PM
* Higher (20-50% more) efficiency in electricity generation than conventional nuclear plants
* Potential to participate in the complete energy market
* Market is growing for smaller reactors
* Position close to markets or heat users
* Savings in transmission costs
* Smaller capital cost
* Can achieve higher fuel burnup
150,000 years of uranium supply even without using 4 billion tons of uranium in the ocean
Fast Reactors
Fast and high temperature reactor presentation
Fast Reactor Technology Advantages
• Enhanced safety characteristics
• Atmospheric pressure in the primary circuit
• High thermal inertia
• Large coolant boiling margin
• Natural convection
• But, core is not in its most reactivity configuration
• Higher thermal efficiencies (higher temperatures)
• More efficient use of U resources
• Reduction of waste
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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