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State Key Laboratory of Clean Energy Utilization (Zhejiang University)

scientific research institution

State Key Laboratory of Clean Energy Utilization rely on Zhejiang University The laboratory, formerly known as the "Open Research Laboratory of Clean Combustion Technology of the State Education Commission" established in 1993, was approved by the Ministry of Science and Technology in 2005 and passed the acceptance organized by the Ministry of Science and Technology in June 2006. The current director of the second academic committee is an academician of the Chinese Academy of Engineering Huang Qili Professor, the laboratory director is Luo Zhongyang Professor.

In March 2019, it was evaluated by the Ministry of Science and Technology as a good laboratory in the engineering field by the State Key Laboratory of Engineering and Materials in 2018.

Chinese name: State Key Laboratory of Clean Energy Utilization (Zhejiang University)
Foreign name: State Key Laboratory of Clean Energy Utilization
research field: Clean energy

Chairman of the Committee: Academician of the Chinese Academy of Engineering Huang Qili professor
Laboratory director: by Luo Zhongyang professor
Construction time: 2005

catalog

seven Characteristic achievements

research field

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The laboratory carries out research in the field of energy and environment in combination with China's energy strategy and the needs of national economic construction, Low Grade Energy The main research directions are efficient and clean utilization of energy, generation, migration, measurement and control of pollutants in the process of energy utilization, and theoretical simulation and numerical experiments in complex reaction systems, which have formed distinctive research characteristics.

Project achievements

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In the above research direction, he has undertaken a large number of national, provincial and ministerial projects, enterprise and institution cooperation projects and international cooperation projects. From basic research, applied basic research and industrialization demonstration to commercial application, we have researched and developed a series of achievements with independent intellectual property rights National Natural Science Award One second prize, two second prizes for national technological invention, four second prizes for national scientific and technological progress, nine first prizes for provincial and ministerial scientific and technological progress, and eight second prizes. For example, the clean combustion technology and industrial application of coal water slurry instead of oil, the semi dry flue gas purification technology for the coordinated removal of multiple pollutants from power plant boilers, the agglomeration combustion technology of coal water mixture, the integrated technology of clean incineration and power generation of domestic waste circulating fluidized bed, the technology of adjustable pulverized coal concentration and dilution low NOx combustion and low load combustion stabilization, the optimized configuration of coal, catalytic clean combustion and industrial application Research on some key basic problems in engineering gas-solid two-phase flow. In addition, the multi generation scheme of heat, electricity, gas and tar of coal is proposed, and the graded utilization technology of coal such as vanadium extraction from ash residue and cement production for comprehensive utilization of stone coal and coal gangue is researched and developed; Put forward the idea of improving the grade of bio oil from the perspective of directional transformation of oxygen-containing functional groups, constructed a complete technical path of biomass thermochemical conversion to produce high-grade liquid fuel, and presided over the National 973 Project; Research and development of biomass circulating fluidized bed direct combustion power generation technology, medical waste and industrial hazardous waste incineration disposal technology; Comprehensive disposal technology of drying and incineration of municipal sewage sludge and industrial toxic and harmful sludge; large utility boiler The theory and technology of three-dimensional CCD scanning image temperature field reconstruction and concentration field measurement for combustion diagnosis; Adjustable semiconductor laser Methods and systems for measuring gas composition and advanced laser holographic diagnosis; The on-line monitoring technology for pulverized coal concentration of power plant boiler by electromagnetic wave method is researched and developed.

Talent team

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In the aspect of exploring and practicing the cultivation of high-level outstanding engineering doctoral talents, we have successfully organized and practiced an innovative path of a distinctive and effective doctoral tutor team. Over the years of talent cultivation practice, we have formed the experience of "Five Ones": an academic leader with high academic level, noble morality and strong organizational ability; A high-quality and reasonably structured doctoral tutor team; A number of high-level scientific research projects that meet the major national needs and aim at the forefront of disciplines; A good academic environment and atmosphere; A batch of international advanced experimental platforms. Thus, a large number of first-class innovative talents have been cultivated and first-class research achievements have been achieved. The laboratory has a strong teaching and scientific research team. There are 49 fixed personnel in the laboratory, including 1 academician, 23 professors, 2 researchers, 19 doctoral supervisors and 11 associate professors. There are 4 winners of the National Science Fund for Distinguished Young Scholars and 1 chief scientist of the National "973" Program, China Youth Science and Technology Award 2 people, 1 Chinese Young Scientist Nomination Award, 1 young and middle-aged expert with outstanding contributions approved by the state, 2 Huo Yingdong Outstanding Young Teacher Awards, 5 people from the national "Ten Million Talents Project", and 5 people from the national new (trans) century talents. "A new mechanism for cultivating high-level engineering doctors", "Aiming at the forefront of the energy discipline, building a first-class group of mentors, cultivating first-class innovative talents" and "Combining major national needs, creating a new system for cultivating energy and environment composite talents" won the second prize of national teaching achievements in 1997, 2005 and 2009 respectively. Among the trained doctors, 4 were awarded the National Excellent Doctoral Dissertations and 2 were nominated.

Exchange and cooperation

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The international exchange and cooperation of the laboratory is very active. It has in-depth cooperation and exchange with internationally renowned experts and scholars in the field of energy and environment. It has introduced five research teams consisting of six academicians from Europe and the United States and more than 20 professors. Labs and famous foreign research universities and World Top 500 Enterprises Joint research bases such as "Zhejiang University Royal Swedish Institute of Technology Clean Energy Joint Research Center", "Zhejiang University Princeton University Hydrogen Joint Research Center", "Zhejiang University Leeds University Sustainable Energy International Research Center" and "Zhejiang University Air Liquide Group Oxygen Enrichment Combustion Joint Laboratory" have been established. In recent years, it has undertaken more than 30 international cooperation projects, such as the EU framework project, the Sino US cooperation agreement project, the Sino Italian cooperation project, the Sino French advanced research project, the Sino Japanese green aid plan for China and so on. Hosted or hosted 21 international conferences, and served as the chairman/co chairman of international conferences for 18 times; The International Conference was invited to report 19 times. It has greatly enhanced the international influence and reputation of the laboratory.

Honors won

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In March 2019, it was evaluated by the Ministry of Science and Technology as a good laboratory in the engineering field by the State Key Laboratory of Engineering and Materials in 2018.^[1]

Personnel composition

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======Composition of the leading group of the laboratory======

full name	Gender	title	Laboratory position	Work unit
Luo Zhongyang	male	Distinguished professor and doctoral advisor	director	Zhejiang University
Zhou Junhu	male	Professor and doctoral advisor	Deputy Director	Zhejiang University
Shi Zhenglun	male	researcher	Deputy Director	Zhejiang University
Cheng Jun	male	associate professor	Foreign Secretary	Zhejiang University
Liu Jianzhong	male	Professor and doctoral advisor	Scientific Research Secretary	Zhejiang University
Zhou Jinsong	male	Professor and doctoral advisor	Academic Secretary	Zhejiang University

======Member of the Second Laboratory Academic Committee======

Name Gender Title Professional Work Unit

Huang Qili (Chairman), male academician, doctoral advisor, Northeast Electric Power Company of Power Engineering

Ni Mingjiang (vice chairman), male, executive vice president, professor, doctoral advisor, Zhejiang University

Cen Kefa, male academician, doctoral supervisor, Zhejiang University of Engineering Thermophysics

Bao Xinhe, male researcher and doctoral supervisor of Dalian Institute of Chemical Physics, Chinese Academy of Sciences

Chen Yongnan, Researcher, Doctoral Tutor, Guangzhou Energy Institute, Chinese Academy of Sciences

Fan Jianren, Male Distinguished Professor, Doctoral Tutor, Zhejiang University of Engineering Thermophysics

Guo Liejin, Male Distinguished Professor, Doctoral Tutor, Power Engineering Xi'an Jiaotong University

Guo Qingxiang, male professor and doctoral supervisor of organic chemistry University of Science and Technology of China

Luo Zhongyang, male distinguished professor and doctoral supervisor, Zhejiang University of Engineering Thermophysics

Wang Yangnan, researcher and doctoral advisor of Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences

Yao Qiang, male distinguished professor and doctoral advisor of Thermal Engineering Tsinghua University

Zhang Mingchuan, male professor and doctoral advisor of engineering thermophysics Shanghai Jiaotong University

Zheng Chuguang, male professor, doctoral advisor, power engineering Huazhong University of Science and Technology

======Member of the Second International Advisory Committee of Laboratory======

Name Gender Title, Position Professional Work Unit

Ronald K. Hanson, male, Academician of the American Academy of Engineering, Combustion Science Stanford University

Fransson, Torsten Henry, male, Academician of the Royal Swedish Academy of Engineering, Energy Power Royal Swedish Institute of Technology

Tomas Kaberger, male, Academician of the Royal Swedish Academy of Engineering, Director of the Swedish Energy Agency Lund University

Nickolas J. Themelis, male, academician of the American Academy of Engineering, waste energy Columbia University

Lars Eric Marcus Ald é n, male, Academician of Royal Swedish Academy of Sciences and Academy of Engineering, Lund University, Combustion Physics

Dawid Y.S.Lou, male professor and dean of power engineering, Nebraska University, USA

Joachim Werther, male professor and director, Multiphase Flow Technical University Hamburg Harburg

Robert E. Hall, male, Director of Air Waste Management Division, Pollution Control, U.S. Environmental Protection Agency (EPA)

Alfons Georges Buekens Male Professor Pollutant Control Free University of Brussels

Benjamin Jurcik, Male Air Liquid R&D Scientific Director, Chemical Engineering Air Liquid Laboratories

Choi Sangmin, male professor, chairman of the Korean Combustion Society, combustion science, KAIST

G é rard Grehan, male professor, laboratory director, French Academy of Applied Sciences, Rouen Branch

G. C. Dismukes, male professor, hydrogen energy Princeton University

======Members of the First Laboratory Academic Committee======

Name Gender Title Academic Committee Work Unit

Cen Kefa, male academician, doctoral advisor, Zhejiang University

Huang Qili, male academician, deputy director of doctoral advisor, Northeast Electric Power Company

Zheng Chuguang, male professor and doctoral advisor of Huazhong University of Science and Technology

Chen Changhe, male professor, doctoral advisor, Tsinghua University

Chen Yong, male researcher, doctoral advisor, Chinese Academy of Sciences

Guo Liejin, male distinguished professor and doctoral advisor, Xi'an Jiaotong University

Zhang Mingchuan, male professor, doctoral advisor, Shanghai Jiaotong University

Chen Yiliang, male professor, doctoral advisor, University of Science and Technology of China

Li Daji, male professor, doctoral advisor, Southeast University

Wang Yangnan, researcher, doctoral advisor, Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences

Yu Zunhong, male professor, doctoral advisor East China University of Science and Technology

Ni Mingjiang, male, executive vice president, professor, doctoral advisor, Zhejiang University

Luo Zhongyang, male distinguished professor and doctoral advisor, Zhejiang University

Yan Jianhua, male distinguished professor and doctoral advisor, Zhejiang University

Fan Jianren, male distinguished professor and doctoral advisor, Zhejiang University

======Consultant composition of the first laboratory academic committee======

Name Gender Title Academic Committee Work Unit

P. Basu, male professor, doctoral advisor, Nova Scotia University of Technology, Canada

Professor Taniguchi Bonan, doctoral advisor Hokkaido institute of technology

Advisor to Dr. Zhe Yu, Department of Energy

C. K. Lee, male professor, consultant, National Institute of Coal and Mineral Resources of Canada

Dawid Y.S.Lou, male professor consultant American Society of Mechanical Engineers Nebraska University

J. R. Howard, male professor consultant University of Birmingham

Fixed researchers

Academician Cen Kefa Professor Ni Mingjiang Professor Luo Zhongyang Professor Yan Jianhua Professor Fan Jianren

Professor Gao Xiang, Professor Chi Yong, Professor Zhou Junhu, Researcher Shi Zhenglun, Professor Zhou Hao, Professor Fang Mengxiang, Professor Zhou Jinsong, Professor Cheng Leming

Professor Wang Qinhui, Professor Chen Guangming, Professor Wu Zucheng, Professor Qiu Limin, Professor Jin Tao, Professor Liu Jianzhong, Professor Jiang Xuguang, Professor Li Xiaodong

Professor Ma Gain, Professor Zhao Hong, Researcher Yang Jialin, Professor Huang Zhenyu, Professor Wang Shurong, Professor Wang Fei, Associate Professor Gan Zhihua, Associate Professor Wang Qin

Yu Chunjiang Associate Professor Zhou Zhijun Associate Professor Cheng Jun Associate Professor Jin Yuqi Associate Professor Wang Zhihua Associate Professor Qiu Kunzan Associate Professor Weng Shanyong Associate Professor

Pu Xingguo Senior Engineer Gu Yueling Senior Engineer Zheng Hang Senior Engineer Jin Jun Senior Engineer Shi Zhengzhan Engineer Chen Linghong Engineer Yang Weijuan Associate Professor Zhu Yanqun Research Assistant

Chen Tong Associate Researcher Lu Shengyong Associate Professor Luo Kun Associate Professor Huang Qunxing Associate Professor Cheng Shao'an

Characteristic achievements

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◆ Semi dry flue gas purification technology for collaborative removal of multiple pollutants from power plant boilers -- the second prize of National Technological Invention Award (2008)

The project achievement belongs to the field of electric power and energy. It is a new semi dry flue gas purification technology with full independent intellectual property rights, which can achieve efficient and collaborative removal of SO2, NOx, HCl, heavy metals, organic substances and other pollutants in the flue gas of power plant boilers.

By studying the internal law between the humidification water quantity, stage, drying time of wet absorbent and the physical and chemical absorption reaction intensity, the multi-level humidification optimization control technology for the humidity of absorbent in the tower was invented; By studying the reaction, migration and control mechanism of pollutants and the influence of oxidant and hygroscopic additives on the physical and chemical absorption reaction performance of absorbents, a multi-component and highly active composite absorbent with hygroscopicity and oxygenation was invented. Combined with multi-stage humidification, multiple pollutants such as SO2, NOx, HCl, heavy metals and organics were systematically removed; By studying the characteristics of gas-solid flow, heat transfer, separation and pneumatic return, as well as the collision and abrasion rules between particles, a new type of multi-element combination integration system was invented to improve the system's Boiler load And high sulfur coal to ensure reliable and stable operation of the system. Finally, a semi dry flue gas purification technology with fully independent intellectual property rights and the ability to achieve the effect of "three high and one more less" (high desulfurization rate, high fuel and high load adaptability, multiple pollutant removal, water saving and water saving) has been formed for the collaborative removal of multiple pollutants from power plant boilers. The appraisal opinion believes that "the research achievements have reached the international advanced level, and some of the technologies have reached the international advanced level".

The project has won 6 invention patents, including the Chinese Patent Excellence Award, the first prize of Zhejiang Science and Technology Award, the National Key New Product Award, the National Torch Plan Project, and the 2008 National Key Environmental Protection Practical Technology (Class A). The research achievements have been popularized and applied to more than 110 sets of 200MW and 135MW power plants and thermal power plants of various capacities in more than 10 provinces and cities, including Zhejiang, Fujian, Anhui, Henan, Hebei, Shanxi, Tianjin, Guangdong, Shenzhen, Ningxia, Kunming, etc. It is one of the most widely used domestic flue gas purification technologies and has had an important impact at home and abroad.

◆ Domestic waste circulating fluidized bed clean incineration power generation integration technology -- the second prize of National Science and Technology Progress Award (2006)

Efficient and clean disposal of solid waste (such as urban domestic waste) not only meets the national strategic requirements for sustainable development and energy conservation and emission reduction, but also is one of the major scientific issues in the field of energy and environment. China in 2005 Municipal domestic waste The annual output is 156 million tons, ranking second in the world. Because China's urban domestic waste is a mixture of components with extremely complex shape, scale and nature, which is greatly different from conventional fossil fuels, the original classical pyrolysis combustion theory and empirical model of fossil fuels have been difficult to apply simply, and the application of disposal technology lacks strong theoretical support.

Based on the above understanding, the purpose of this study is to make waste harmless and energy efficient National Natural Science Foundation of China (key and general), the national key basic research and development program, the national high-tech research and development program, international cooperation projects and other projects, to conduct in-depth research on several important scientific problems in the process of efficient and clean heat treatment of municipal and provincial domestic waste A series of innovative achievements have been made in the generation and control of persistent organic pollutants, forming a complete waste incineration integration technology with fully independent intellectual property rights, and has been applied to the life of 11 large and medium-sized cities (25 incinerators) nationwide Waste incineration power plant The daily disposal of waste has reached 7550 tons, accounting for more than 20% of the built waste incineration power plants in China. By 2007, the economic benefits had exceeded 2 billion yuan.

◆ Research on several key basic problems in engineering gas-solid two-phase flow -- Second Prize of National Natural Science Award (2005)

Because the factors affecting gas-solid two-phase flow are very complex, it involves hydrodynamics, thermodynamics Heat and mass transfer , combustion and many other related basic disciplines, so up to now, the internal laws of gas-solid two-phase flow, especially the interaction between gas phase and particle phase in gas-solid two-phase turbulent flow, are still far from being understood and recognized. The discipline has carried out the theoretical simulation and numerical experiment research of two-phase complex reaction system in the process of clean energy utilization and efficient conversion.

Under the continuous support of several NSFC projects, this research aims at some key issues in the basic research of engineering gas-solid two-phase flow, namely, the mechanism and mathematical model of particle gas interaction in gas-solid two-phase turbulence, the mechanism of particle wall interaction and heat transfer enhancement in gas-solid two-phase flow boundary layer The gas-solid two-phase flow characteristics and influencing factors in fluidized beds have been systematically and deeply studied theoretically and numerically.

On the basis of the above research, the fundamental problems of gas-solid two-phase flow, combustion, heat transfer, pollutant generation, ash deposition and slagging in the furnace, gas-solid two-phase separation, impact wear of ash laden gas flow on the heat exchanger tube bundle and wear prevention measures in the combustion engineering are also deeply discussed and studied, which provides an important theoretical basis for solving practical engineering problems, Some research results have been applied in engineering.

◆ Adjustable pulverized coal concentration and dilution, low NOx combustion and Low load stable combustion technology ―― National Science and Technology Progress Award Second prize, 2004

In view of the major problems of high NOx emissions from power plant boilers, variable coal types, and large peak valley difference in the power grid, which seriously affect the safe and economic operation of boilers, the technology of adjustable pulverized coal concentration and dilution low NOx combustion and low load stable combustion for boilers with multiple coal types and low load stable combustion without oil input has been developed. Its popularization and application not only reduce the consumption of China's scarce oil resources, but also benefit China's environmental protection.

This technology has the characteristics of strong combustion stability, multiple adjustment means, automatic alarm of nozzle over temperature, electric remote control for the first time, and low NOx pollutant emission. The double stable combustion, double regulation, nozzle wall temperature alarm and electric remote control technology adopted are the first at home and abroad. This technology has taken innovative technical measures to improve the adaptability of boilers to coal types and loads. Its core technology has won two national invention patents and Utility model patent The comprehensive performance is at the international advanced level.

This technology has been applied in more than 70 boilers in Shanghai, Zhejiang, Beijing and other places, and has established long-term cooperation with two boiler plants, reducing NOx emissions by 40000 tons/year, with economic benefits of about 100 million yuan/year, and significant economic and social benefits. It has been widely used for a long time, which shows that after the transformation, the boiler is stable in de oiling ignition and combustion within the load range of 40~100%, and the adaptability of coal type and load is strong; The carbon content of fly ash is reduced, and the boiler efficiency is improved. NOx emission is reduced by 30%~50% to about 400mg/m3.

◆ Optimized preparation of coal, catalytic clean combustion and industrial application -- Second Prize of National Science and Technology Progress Award, 2001

On the basis of in-depth research on the mechanism of catalytic combustion, characteristics of sulfur fixation at high temperature, multiphase combustion hydrodynamics, ignition characteristics of various fuels, interaction between different components in coal, formation and degradation of pollutants at high temperature and other scientific issues, a comprehensive application of artificial intelligence neural network, fuzzy mathematics Multi variable optimization expert system for clean coal blending based on modern mathematical methods such as mixed variable optimization. Neural network nonlinear optimization of coal blending model and traditional linear programming model The cost of coal blending is greatly reduced. This achievement has solved a series of problems caused by the changeful coal types that have puzzled China for a long time, and at the same time, it has also solved the problem of efficient and clean utilization of coal, opening up a new way for comprehensive utilization of coal. According to the national appraisal opinion, "the undertaking unit first proposed new ideas of space two-stage desulfurization technology such as premixed layering and premixed powder injection, which made a breakthrough in high-temperature desulfurization technology of layer combustion furnace; the optimized coal blending expert system developed by using neural network and nonlinear optimization theory has been successfully applied in Hangzhou Coal Field; The undertaking unit has carried out a lot of detailed basic research work and has achieved many high-level research results. The special research has reached the domestic leading and international advanced level. "

Hangzhou has built a clean and optimized coal blending production line, blending 8 million tons of coal every year for power plants in Zhejiang Province, with a new output value of 150 million yuan and a profit tax of 18 million yuan.

◆ Circulating suspension multi-stage humidification semi dry flue gas purification technology - first prize of Zhejiang Science and Technology Award (2006)

By studying the internal law between the humidification water quantity, order, drying time of the wet absorbent and the physical and chemical absorption reaction intensity, the multi-level humidification optimization control technology for the absorber humidity in the tower is proposed; By studying the reaction, migration and control mechanism of pollutants and the influence of oxidizing and hygroscopic additives on the physical and chemical absorption reaction performance of absorbents, a multi-component and highly active composite absorbent with hygroscopicity and oxygenation was proposed, which combined with multi-stage humidification to achieve the system coordinated removal of SO2, NOx, HCl, heavy metals and organic substances and other pollutants; By studying the characteristics of gas-solid flow, heat transfer, separation and pneumatic return, as well as the collision and corrosion laws between particles, a new type of multivariate combination integration system is proposed to improve the adaptability of the system to boiler load and high sulfur coal, and ensure the reliable and stable operation of the system. Finally, the circulating suspension multi-stage humidification semi dry flue gas purification technology suitable for China's national conditions was formed. One article was identified as "the research results have reached the international advanced level, and some of the technologies have reached the international advanced level".

The project has won 6 invention patents, including China Patent Excellence Award, National Key New Product Award, National Torch Plan Project, 2008 National Key Environmental Protection Practical Technology (Class A), etc. The research results have promoted 77 sets of 200MW and 135MW power plants and thermal power plants of various capacities in more than 10 provinces and cities in China, such as Zhejiang, Shanxi, Hebei, etc., with a cumulative sales contract amount of 669.78 million yuan in the past three years.

◆ Clean combustion technology and industrial application of coal water slurry instead of oil -- the first prize of Zhejiang Provincial Science and Technology Progress Award (2007)

In view of the increasingly strong growth of China's oil demand and the growing gap between supply and demand, it is imperative to seek effective clean and inexpensive alternative fuels and develop and apply clean energy. Therefore, the development of alternative fuel oil for coal water slurry fuel is a strategic and demonstrative choice for China's long-term stable energy development.

Coal water slurry (CWS) is a new type of low pollution alternative fuel. It is composed of 65%~75% pulverized coal, 30%~35% water and a small amount of additives. It can be stored, transported and atomized like oil. Zhejiang University is the first in China to conduct research on coal water slurry instead of oil combustion technology. Through years of basic research and technology development, it has formed a clean combustion theory, technology and supporting process of coal water slurry instead of oil with completely independent intellectual property rights. utility boiler combustion efficiency And thermal efficiency can reach 99% and 91%, industrial boiler 97% and more than 85%. The research results have been widely applied in more than 70 boilers and kilns, including the largest 670t/h in the world Coal water slurry boiler And the largest 8t/h coal water slurry nozzle. Most of the first applications of various types of boilers in China have been completed by Zhejiang University. Many of the technical indicators or application examples are internationally leading or pioneering, and the technical achievements have been or are being exported to Italy, Russia, Japan, Indonesia, Malaysia, Thailand and other countries, maintaining the international leading level.

◆ Coal water mixture heterogeneous bed agglomerating combustion technology -- the second prize of National Technological Invention Award 1997

On the basis of a large number of mechanism studies on the special waste coal washing mud and other coal water mixtures produced in the coal production process, scientific problems such as the transportation of different forms of materials, the complex fluidization system with different specific gravity forms and high concentration, the combustion and gasification reactions of various complex components, and the complex reaction mechanism of pollutants have been solved, A coal water mixture heterogeneous bed agglomerating combustion technology with independent intellectual property rights is proposed. The basic idea of this technology is agglomerated combustion and operation of fluidized bed with different specific gravity, that is to use the agglomeration characteristics to make small particles of coal slime below 0.5mm form dozens of millimeters of large lumps of coal slime and fully burn them in the furnace to achieve high combustion efficiency, and make the large lumps of coal slime and bed materials with particle size difference of dozens of times evenly distributed in the bed to ensure stable operation, It has reached the domestic leading and international advanced level in efficient and clean incineration and pollution emission control.

The research results have been widely used in domestic coal washing sludge combustion power generation, and the domestic coal washing sludge combustion power generation boilers that have been put into operation all use the technical invention. The research results have had an important impact on the international community. This technology has been exported to Switzerland, the United States, South Korea and other countries in different ways.

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