Clean Coal
Earth & Planet · Interactive
- DimensionsSubject to on-site plan
- PresentationInteractive
- PricingQuoted by manufacture spec
Purpose & Scientific Principle
The exhibits use a sand table model demonstration combined with pictures and texts to show the principle and process of supercritical coal-fired unit power generation, allowing young audiences to intuitively understand this clean coal technology and cultivate their awareness of using scientific knowledge to solve the energy crisis.
How to Operate
In January 2022, the State Council issued the "Comprehensive Work Plan for Energy Conservation and Emission Reduction during the 14th Five-Year Plan", proposing the implementation of clean and efficient coal utilization projects. In June 2022, the National Development and Reform Commission and other departments issued a notice on the "Benchmark Levels and Benchmark Levels in Key Areas of Clean and Efficient Utilization of Coal (2022 Edition)", pointing out the task of benchmarking to achieve carbon peak and carbon neutrality goals, promoting the clean and efficient use of coal, and promoting the transformation and upgrading of coal consumption.
The characteristics of clean and efficient utilization of coal in the new era can be summarized as “three highs and three lows”. The "three highs" are reflected in: high efficiency, which means making full use of advanced technology in all aspects of coal utilization, accurately matching coal quality with different coal-using technologies and equipment, and achieving a substantial increase in utilization or conversion efficiency; high quality, which means constantly applying new technologies and new processes with economic, social and environmental benefits, upgrading, transforming and reshaping the coal utilization industry, creating new business formats, and developing new products; high cycle, which means constantly turning waste generated during the coal utilization process into reusable materials, forming a "resources-products-resources" cycle model. The "three lows" are reflected in: low consumption, that is, the intensity of energy consumption, water consumption intensity, etc. must be strictly controlled in all aspects of coal utilization to reduce energy resource consumption per unit product; low pollution, that is, the emission concentration of air, water, and solid waste pollutants must be low to achieve clean production and achieve near-zero emissions; low carbon emissions, that is, through deep coupling with renewable energy and carbon capture, utilization and storage technology to improve carbon reduction capabilities and reduce carbon emissions.
At present, my country has achieved independent research and development and manufacturing of high-parameter, large-capacity supercritical coal-fired units, and its main parameters have reached the world's advanced level. It has built a coal-fired unit with the highest power generation energy efficiency in the world and the largest single unit capacity under construction. The coal consumption for power supply has dropped to less than 260 g/kWh. Technologies such as million-kilowatt air-cooled generating units, secondary reheat technology, and large-scale circulating fluidized bed power generation are internationally competitive. At the end of 2021, China's first large-scale carbon dioxide cycle power generation test unit independently developed and built by China completed a 72-hour trial operation, with a rated power of 5,000 kilowatts. It is the world's largest supercritical carbon dioxide cycle power generation unit, laying a solid foundation for further improving the efficiency of thermal power units.
The exhibits use a power plant sand table model as a carrier and are embedded with principle demonstration devices to intuitively and vividly show the audience the principle process of supercritical coal-fired power generation. Combined with pictures and texts, the audience can understand the comparative values of the power generation of traditional thermal power plants and high-efficiency coal-fired power plants, and guide the audience to realize the importance of using clean coal technology.
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