Coal technology reached the world advanced level of cleaner production has achieved tremendous results
The "Coal and Electricity Clean Development Report" shows that coal-fired power is still the main power source and basic power source of China's power supply. However, the technology has reached the world advanced level and great achievements have been made in clean development. In more than a decade of efforts, coal-fired power plant air pollutant control device basically formed a full coverage. Recently, the "China Coal and Electricity Clean Development Report" prepared by the China Electricity Council was released at a seminar on the clean coal development and environmental impact release in China. According to the report, from the perspective of structure, China's thermal power accounts for a large proportion of the total installed capacity and power generation, and plays an important role in meeting the demand for energy and electricity. Although the power generation in renewable energy has increased rapidly in the past decade, coal-fired power is still China's power supply of the main power and basic power. "Report" shows that the current coal-fired power generation technology in China has reached the world advanced level, some of the areas reached the world's leading level, China's coal-fired power plant pollutants to achieve strict control, environmental protection facilities formed a full coverage of coal has made tremendous clean development Effective. "Coal and electricity industry in our country's economic development and environmental protection has a special and important position in China's coal-based resource endowments that determine the pattern of coal consumption-based energy consumption pattern, the coal industry must have a large energy-saving emission reduction Breakthrough, big as, in order to achieve a win-win economic and environmental benefits. "Ministry of Environmental Protection Department of Atmospheric Liu Bingjiang said that the" Eleventh Five-Year "period, the main emissions of coal-fired power industry accounts for about half of the total national emissions, after a dozen Years of efforts, coal and electricity industry, sulfur dioxide, nitrogen oxide emissions from the peak of 10 million tons down to 1 million tons, becoming China's industrial sector in the highest rate of discharge standards of the industry. However, influenced by many factors, there are still misunderstandings in the current understanding of major issues in energy transformation and power development. The minority still stays in the inertia of old experience and suspicion, The efforts and results achieved are not understood. In fact, as a large coal-fired power generation country in our country, our country has long been committed to the innovation and development of power generation technology and pollutant control technology. In power generation equipment technology, China's ultra-supercritical coal power generation technology has reached the world advanced level, air-cooled technology, circulating fluidized bed boiler technology is to reach the world's leading level. As of the end of 2016, China has put into operation 96 units of 1 million kilowatt level units, and the proportion of thermal power units of 300,000 kilowatts or more has risen from 27.8% in 1995 to 79.1% in 2016. In terms of pollution control technologies, coal-fired coal-fired plants in China are complicated in coal quality, with low average coal-fired heat and volatile content, high sulfur and ash contents, high initial concentrations of soot, sulfur dioxide and nitrogen oxides, and most For the environmental protection technology renovation project, through the independent research and development and the introduction of digestion and absorption and re-innovation, the coal-fired power plant air pollutant control device has formed a complete coverage, and the treatment technologies have generally reached the world advanced level and reached the world advanced level in some areas. According to CEC, in 2016, unit emissions of thermal power from soot, sulfur dioxide and nitrogen oxide dropped to 0.08g, 0.39g and 0.36g respectively, reaching world advanced levels. From 1979 to 2016, thermal power generation increased 17.5 times. Soot emissions decreased by 94% from the peak of 6 million tons. Sulfur dioxide emissions decreased by 87% from the peak of 13.5 million tons. Nitrogen oxide emissions decreased by 85% from the peak of 10 million tons. At the same time, coal-fired wastewater discharge and comprehensive utilization of solid waste have been increasing year by year. In 2016, China's coal-fired power supply coal consumption fell to 312 g / kWh, generating water consumption dropped to 1.3 kg / kWh, reaching the world advanced level. The intensity of carbon emissions has been declining, and the level of carbon emission control has risen significantly. In 2016, China's CO 2 emissions from thermal power generation units dropped 21.6% from 2005 levels. "Can be said that the coal industry's emission reduction actions for our air quality improvement has made a head start for China and the global environmental protection has made a significant contribution to the cause." Liu Bingjiang said. "Green low-carbon energy is the general trend of energy development. Non-fossil fuels will gradually replace fossil fuels. It is estimated that the share of non-fossil fuels in energy consumption in China will increase from 12% in 2015 to 20% by 2030." CEC's industry development and Pan Li, deputy director of the Ministry of Environment and Resources, said that as of the end of 2016, China's coal-fired power generation capacity was 940 million kilowatts, accounting for 57.3% of the total installed capacity of power generation. It is not difficult to see that coal will continue to play a fundamental and flexible role of power supply. At present and even in 20 to 30 years, coal power will still provide the main body of electricity and electricity. Pan Li said that over a long period of time, a great deal of pressure will be put on the utilization of scattered coal, the proportion of decentralized utilization of coal at terminals will be reduced, and the proportion of coal in coal consumption will be substantially raised. This will effectively solve the problem of coal combustion pollution. However, despite the great achievements made in clean coal development, the pollution control of coal-electric power still needs to further improve the stability, reliability and economy of the equipment and reduce the secondary pollution. "We should give full play to the role of the market, coordinate the relationship between coal, electricity and gas, coal and renewable energy, and ensure a clean and low-carbon power supply during the power market reform." Pan Li said. Flotation Flocculants & Collectors
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