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| 1 | Characteristics of gas-solid micro fluidized beds for thermochemical reaction analysis显示文摘Fuel conversion and clean energy reaction systems involve a variety of catalytic and non-catalytic gas-solid thermochemical reactions.A good understanding of the correct reaction mechanism and kinetics,as well as the profiles of reaction products,is of great significance to the development,design,and operation of such reaction systems.The micro fluidized bed reaction analysis provides an efficient and reliable method to acquire this essential information with low capital and operating costs,low energy consumption and enhanced safety.This paper provides an overview of the system and its characteristics for the micro fluidized bed reaction analyzer that has been well proven to be a reliable new approach as well as an instrument for characterizing various gas-solid thermochemical reactions. | Zhennan Han Junrong Yue Xi Zeng Jian Yu Fang Wang Shaozeng Sun Hong Yao Guangqian Luo Xuejing Liu Yining Sun Fu Ding Liangliang Fu Lei Shi Kangjun Wang Jiebin Yang Shaonan Wang Xueqing Chen Dingrong Bai Guangwen Xu | 2020 | Carbon Resources Conversion2020，3，1： | 6 |
| 2 | Experimental investigation on flow asymmetry in solid entrance region of a square circulating fluidized bed显示文摘To study the influence of back feeding particles on gas-solid flow in the riser, this paper investigated the flow asymmetry in the solid entrance region of a fluidized bed by particle concentration/velocity measurements in a cold square circulating fluidized beds (CFB). The pressure drop distribution along the riser and the saturation carrying capacity of gas for Geldart-B type particles were first analyzed. Under the condition of u0=4 m/s and Gs=21 kg/(m2 s), the back feeding particles were found to penetrate the lean gas-solid flow near the entrance (rear) wall before reaching the opposite (front) wall, thus leading to a relatively denser region near the front wall in the bottom bed. Higher solid circulation rate (u0=4 m/s, Gs=33 kg/(m2 s)) resulted in a higher particle concentration in the riser. However the back feeding particles with higher momentum increased the asymmetry of the particle concentration/velocity profile in the solid entrance region. Lower air velocity (u0=3.2 m/s) and Gs=21 kg/(m2 s), beyond the saturation carrying capacity of gas, induced an S-shaped axial solid distribution with a denser bottom zone. This limited the penetration of the back feeding particles and forced the fluidizing air to flow in the central region, thus leading to a higher solid holdup near the rear wall. Under the conditions of u0=4 m/s and Gs=21 kg/(m2 s), addition of coarse particles (dp=1145 m) into the bed made the radial distribution of solids more symmetrical. | Zhengyang Wang Shaozeng Sun Hao Chen Qigang Deng Guangbo Zhao Shaohua Wu | 2009 | Particuology2009，7，6： | 4 |
| 3 | Effects of bias combustion on volatile nitrogen transformation 显示文摘 | Zhang Xiaohui Sun Shaozeng Sun Rui Li Xiaoli Zeng Guang | 2010 | Asia-pacific Journal of Chemical Engineering2010，5，3： | 1 |
| 4 | Industrial test on coal re-burning at a 600 MW utility boiler and NO~ reduction 显示文摘 | QIU Penghua WU Shaohua SUN Shaozeng | 2007 | Korean Journal of Chemical Engineering2007，24，4： | 1 |
| 5 | Experimen- tal study on sawdust air gasification in an entrained-flow reactor显示文摘 | Zhao Yijun Sun Shaozeng Zhou Hao | 2010 | Fuel Processing Technology2010，91，8： | 1 |
| 6 | Experimental and Numerical Study of Biomass Flash Pyrolysis in an En- trained Flow Reactor显示文摘 | Sun Shaozeng Tian Hongming Zhao Yijun | 2010 | Bioresource Technology2010，101，10： | 1 |
| 7 | Experimental study on cyclone air gasification of wood powder 显示文摘 | Shaozeng Sun Yijun Zhao Hongming Tian | 2009 | Bioresource Technology2009，100，： | 1 |
| 8 | Experimental and numerical study of biomass flash pyrolysis in an entrained flow reactor显示文摘 | Sun Shaozeng Tian Hongming Zhao Yijun | 2010 | Bioresource Technology2010，101，10： | 1 |
| 9 | Influence of the secondary air-box damper opening on airflow and combustion characteristics of a down-fired 300-MWe utility boiler 显示文摘 | Ren Feng Li Zhengqi Sun Shaozeng | 2007 | Energy and Fuels2007，21，2： | 1 |
| 10 | Experimental study of influence of temperature on fuel-N conversion and recycle NO reduction in oxyfuel combustion显示文摘 | Sun Shaozeng Cao Huali Chen Hao | | 0，，： | 1 |
| 11 | Experimental study on NO x reduction from staging combustion of high volatile pulverized coals. Part 1. Air staging显示文摘 | Jiancheng Yang Rui Sun Shaozeng Sun Ningbo Zhao Ning Hao Hong Chen Yong Wang Haoran Guo Jianqiang Meng | 2014 | Fuel Processing Technology2014，，： | 1 |
| 12 | Experimental study of influence of temperature on fuel-N conversion and re- cycle NO reduction in oxyfuel combustion 显示文摘 | Sun Shaozeng Cao Huali Chen Hao | | Proceedings of the Combustion Institute0，，33： | 1 |
| 13 | Numerical Study of the Effect of Imaginary Circle Diameter and Initial Flow Field on the Aerodynamic Field in a Tangentially Fired Furnace显示文摘In this paper, the effect of the imaginary circle diameter opi and the initial flow field on the aerodynamic field in a tangentially fired furnace was studied by numerical simulation and experiments in the cold model. Results show that merely reducing the imaginary circle diameter rki can not significantly reduce the rotatiollal diameter op in the range considered. The flow still rotates coullter-clockwise stably and does not change rotation direction when the direction of all jet axes are defiected suddenly to the opposite rotation direction by up to 5.4' in a countereclockwise llow field. It is the first time that the numerical sAnulation results were obtained which agreed quite well with this experimental phenomena qualitatively. The experimental data, i.e., the rotational diameter & and the maximum velocity on the syrnmetric central line of fUrnace Vm, are only a bit larger than the simulation results. It is shown that the initial flow field has an important influence on the aerodynamic field in the furnace. Other measures have to be taken as wel1 in order to reduce & to resist slagging and high temperature corrosion of furnace tubes. Moreover, a new kind of grid arrangement was proposed in this paper, which can reduce effectively the false diffosion at the exit zone of burner. | Zhu Tong Sun Shaozeng Xia Chunyi An Baizeng Wu Shaohua Qin Yukun(School of Energy Science and Engineering, Harbin Institute of Technology, 150001, Harbin, China)Ma Xichen(Haxbin Boiler Works) | 1997 | Journal of Thermal Science1997，6，2： | 1 |
| 14 | Ex perimental study of influence of temperature on fuel-N conversion and recycle NO reduction in oxyfuel combustion显示文摘 | SUN Shaozeng CAO Huali CHEN Hao | | 0，，02： | 1 |
| 15 | Computational fluid dynamics modeling of Nox reduction mechanism in oxy- fuel combustion 显示文摘 | Cao Huali Sun Shaozeng Liu Yinghui Wall Terry F | 2010 | Energy & Fuels2010，24，： | 1 |
| 16 | Characteristics of ricehusk gasification in an entrained flowreactor显示文摘 | ZhaoYijun Sun Shaozeng Hongming Tian | 2009 | Bioresource Technology2009，100，23： | 1 |
| 17 | Industrial test on coal re-burning at a 600 MW utility boiler and NOx reduc- tion 显示文摘 | Qiu Penghua Wu Shaohua Sun Shaozeng | 2007 | JOURNAL OF THERMAL SCIENCE2007，24，4： | 1 |
| 18 | Gas-particle flow and combustion in the near-burner zone of the swirl-stabilized pulverized coal burner 显示文摘 | Li Zhengqi Sun Rui Wan Zhixin Sun Shaozeng | 2003 | Combust Sci and Tech2003，，175： | 1 |
| 19 | Experimental study of influence of temperature on fuel-N conversion and recycle NO reduction in oxyfuel combustion显示文摘 | Shaozeng Sun Huali Cao Hao Chen Xiaoyu Wang Juan Qian Terry Wall | 2010 | Proceedings of the Combustion Institute2010，，2： | 1 |
| 20 | Studies on NO-char Reaction Kinetics Obtained from Drop-tube Furnace and Thermogravimetric Experiments显示文摘 | Sun Shaozeng Zhang Juwei Hu Xidong | 2009 | Energy and Fuels2009，23，： | 1 |
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