China is pumping billions of yuan into advanced nuclear technology.
China is pumping billions of yuan into advanced nuclear technology.

China Turns to Nuclear Power for Winter Heating

China Turns to Nuclear Power for Winter Heating

With its smog-prone north desperate to slash coal consumption, China is looking to deploy nuclear power to provide reliable winter heating. This has raised public safety concerns, although developers say the risks are minimal.
State-owned China National Nuclear Corp recently conducted a successful 168-hour trial run in Beijing for a small dynamic hydro reactor named “Yanlong”, CNBC reported.
With the north facing natural gas shortages as cities switch away from coal, CNNC presented “DHR-400” as an alternative heat supplier for the region, with each 400-megawatt unit capable of warming 200,000 urban households.
The model—which consists of a reactor core immersed in a water-filled tank around the same volume as an Olympic swimming pool—will require $226.7 million in investment and take just three years to build, a crucial advantage in a sector plagued by construction delays.
As a small and relatively simple “swimming pool” design, the low-pressure reactor is expected to be safer than conventional models, with temperatures not exceeding 100 degrees Celsius, and it could be plugged directly into existing heating networks.
"The technology is ready," said Gu Shenjie, deputy chief engineer with Shanghai Nuclear Engineering Research and Design Institute, part of the State Power Investment Corp.
“CNNC have supplied heat to their institute and office buildings, and have successfully done that for three years,” Gu told Reuters on the sidelines of the INNCH New Nuclear Build Conference in Shanghai, adding that commercialization was the next stage.
“I think it is workable. The parameters are very low and it is easy to maintain operations,” he added.
While the use of conventional nuclear plants to provide heating is common in Russia and Eastern Europe, China aims to be the first country to build reactors dedicated to the task of warming its cities.
China is pumping billions of yuan into advanced nuclear technology that will not only boost domestic capacity but also strengthen its global presence. It aims to develop a portfolio of reactors capable of powering cities, remote islands, ships, cars and even airplanes.
With northern China still relying on centralized heating systems, a dynamic hydro reactor in every city could be an ideal solution, said Cheng Huiping, a CNNC technical committee member. The firm said the technology would use only 2% of the radioactive sources used in a conventional 1-gigawatt nuclear power plant, but winning public acceptance remains a hurdle.


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