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Part I Invited Talks

1 Advances in Two-Fluid LES of Two-Phase Combustion LXZhou 3

2 Flexible Operation of High Efciency Coal Power Plants to Ensure Grid Stability When Intermittent Renewables Are IncludedAndrewMinchener 19

3 Advances in Modeling Coal Pyrolysis, Char Combustion, and Soot Formation from Coal and Biomass TarThomasHFletcher, DavidOLignell, AlexJosephson, AndrewRichards,andTroyHolland 29

4 The Change in Bed Materials Size Distribution and Its Effect on CFB Boiler OperationGARyabovandOMFolomeev 39

5 Insights of MILD Combustion from High-Fidelity SimulationsHangZhou,JoshMcConnell,TerryARing,andJamesCSutherland 59

Part II Basic Coal Quality and Combustion

6 Study on Alkali Metal Migration Characteristics in the Pyrolysis of Naomaohu Coal in CO AtmospherePeipeiGao,JunjieFan,andZhiyuanRen 85

7 Precipitation Characteristics of Alkali/Alkaline Earth Metal in High Alkali CoalHangShi,YuxinWu,JunfuLyu,ManZhang,andHaiZhang 97

VIII Contents

8 Experimental Study on Removal of Low Concentration Coal Tar in Syngas by Mg-Ca Composite CatalystLiang Wenzheng, Yan Hao, Li Yanhui, Cui Weiwei, Cong Xiaochun, and Wang Cuiping 107

9 Experimental Investigation on Sodium Migration and Mineral Transformation in Ash Deposit During Gasication of Zhundong Coal Using a Drop Tube Furnace Chengchang Liu, Chang¡¯an Wang, Chaowei Wang, Yongbo Du, Guantao Tang, Guangyu Li, and Defu Che 117

10 Study on Characteristics and Inuencing Factors of Coal-Water Slurry PyrolysisFan Feng, Boyang Li, Juan Yu, Yao Zhang, Chen Lin, and Zhongxiao Zhang 125

11 Soot Formation in High-Temperature Pyrolysis of Various Coals 137

Shengjie Bai, Yongbing Wang, Gaofeng Dai, Peng Li, and Xuebin Wang

12 Effect of Microstructures on Char Combustion ReactivityJingyuan Li, Lele Feng, Yiqun Huang, Yang Zhang, Lyu Junfu, and Man Zhang 147

13 Effect of K2CO3 Addition on CO2 Gasication Characteristics and Ash Sintering Behaviour of a Chinese Lignite at Different Temperatures and Pressures as Examined Using a High-Pressure Thermogravimetric AnalyserJianbo Li, Zhezi Zhang, Jian Hao, Jiguang Zhang, Mingming Zhu, and Dongke Zhang 159

14 Ash Deposition and Slagging Behavior of Xinjiang High-Alkali Coal in a 20MWth Cyclone Combustion Test FacilityXiaojiang Wu, Yigong Zhou, Yezhu Sun, Zhongxiao Zhang, Mingqiang Li, Xiang Zhang, Kai Yan, Yuehua Li, Nan Chen, and Xinglei Hu 179

15 Release Characteristics of Alkali Metals

in Oxygen-Enriched Combustion of a Single Char Particle with Random Pore Model 189

Sibo Qu, Haiming Wang, and Changfu You

16 Experimental Study on the Inuence of Slagging and Fouling for Wall Temperature DistributionDeli Li, Enlu Wang, Jinda Mao, Wei Wu, Kai Li, and Qi Wang 205

Contents IX

17 Numerical Investigation of Fly Ash Deposition onto Tube Bundles Inside Coal-Fired BoilersYipeng Li, Qian Huang, Lu Duan, and Shuiqing Li 227

18 Effect of Refractory Lining Thickness on Slag Layer Behavior in Cyclone BarrelChunli Tang, Yueyi Hu, Tao Zhu, Limin Wang, Yanhua Liu, and Defu Che 237

19 Characteristics of Alkali Metal Migration and Transformation During Pyrolysis of Naomaohu CoalJunjie Fan, Jiaxiao Deng, Zhiyuan Ren, and Jianli Wang 251

Part III Pulverized Coal Combustion

20 Numerical Investigation on Combustion Characteristics and NOx Emission of Double-Reheat Tower Boiler at Different LoadsYan Zhang, Shihao Ma, Jin Guo, Yuesheng Li, Zhengrong Zhu, Jiaqi He, Lei Deng, and Defu Che 265

21 Numerical Study on Inuence of Platen Super-Heaters on Heat Deviation in a 600 MW Tangentially Fired Pulverized-Coal BoilerKai Chen, Yan Zhang, Lei Deng, and Defu Che 279

22 Industrial Experimental and Numerical Simulation Study on the Combustion and NOx Formation Characteristics in a 600MWe Utility Boiler with a Novel Swirl Burner Burning Bituminous CoalTao Shen, Zhengqi Li, Pisi Lu, Qiang Yu, Xin Song, and Jingyu guan 293

23 Distribution of Temperature and Characteristics of Soot Volume Fraction in MILD-OCC FlameJingwen Lu, Shuwei Zhang, Longhui Tan, and Jianyi Lu 317

24 Experimental Investigation of Methane Assisted Pulverized Coal Flames Using an Optical Accessible Combustion ChamberCAxt, DZabrodiec, SPielsticker, TKreitzberg, OHatzfeld, and RKneer 327

25 Ignition Characteristics of Coal/Air Jets from Rectangular NozzlesLilin Hu, Pengyuan Liu, Yang Zhang, Lele Feng, Yuxin Wu, Junfu Lyu, and Hai Zhang 339

Contents

26 Numerical Simulation on Pulverized Coal Combustion Chamber with Air CoolingYongying Wang, Naiji Wang, and Shi Yang 355

27 Effect of Inner/Outer Secondary Air Mass Flow Rate on the Airow Characteristics of the 14-MW Double Cone Burner 363

Nan Jia, Fang Niu, Pengzhong Liu, Pengtao Wang, and Jianming Zhou

28 Theoretical Analyses on Isolated Particle Ignition of Coal and Biomass 373

Ye Yuan, Hongpei Gao, Zhenghai Shi, Xianbin Sun, Ping Xiao, Shisen Xu, and Shuiqing Li

29 Numerical Simulation on Combustion Characteristics of Co-Firing Biomass Syngas and Coal in a 660 MW Utility Tower Boiler 385

Shihao Ma, Yan Zhang, Zhengrong Zhu, Lei Deng, and Defu Che

30 Deactivation of V2O5¨CWO3¨CTiO2 SCR Catalyst by HF During Co-Firing Electrolytic Aluminum Waste with CoalZhengrong Zhu, Shihao Ma, Yikun Wang, Yan Zhang, Yuxiao Qiu, Lei Deng, and Defu Che 397

31 Numerical Study on Combustion and NOx Emission Characteristics of Co-Firing Semi-Coke and Coal in a Tangentially-Fired Utility BoilerQinqin Feng, Chang¡¯an Wang, Pengqian Wang, Zhichao Wang, Wei Yao, Lei Zhao, Yongbo Du, and Defu Che 411

32 Investigation on NOx Formation Characteristics During Semi-coke Air-Staged CombustionHui Li, Naiji Wang, Shi Yang, Xin Zhang, Yuhong Cui, and Jianming Zhou 423

33 Numerical Investigation on Combustion Stability of Coal Slurry in the Double Cone BurnerMo RiGen, Yang Shi, and Liu JianHang 435

34 Experimental Study of NOx Emission and Char Characteristics 449

Jialun Wang, Dongfang Wang, Mingming Wang, Mingyan Gu, and Yuyu Lin

Part IV Fluidized Bed Combustion

35 Study on Penetrability of Central Secondary Air Jet in CFB and Its Inuences on Fluidization Characteristics 467

Chen Lin, Juan Yu, Yao Zhang, Fan Feng, and Zhong-xiao Zhang

Contents XI

36 The Fundamental Studies on Combustion of Sintering Flue Gas in Circulating Fluidized BedXin Tao, Lujian Chen, Yiqun Huang, Runxia Cai, Hairui Yang, Shouyu Zhang, and Junfu Lyu 477

37 Emission Characteristic of NOx in CFB Boiler at Low LoadLujian Chen, Xin Tao, Shouyu Zhang, Hairui Yang, and Junfu Lyu 489

38 A Method to Measure the Solid Circulation Rate in CFB Boilers 499

Yangxin Zhang, Lu Cheng, Yang Zhang, Baoguo Fan, Hai Zhang, and Junfu Lyu

39 Reliability Analysis of 100 MW and Above Circulating Fluidized Bed Boiler Units in China in 2017 513

Xia Zhou, Jianfeng Li, Yuge Yao, Shujie Chen, Hong Zhou, Qing Liu, and Geng Chen

40 Development of Advanced Ultra Super Critical Circulating Fluidized Bed Technology by DongFang BoilerNie Li, Gong Liming, Xue Dayong, Lu Jiayi, Wei Lixiao, and Huang Min 523

41 Cold-Experimental Study About Pressure Resistance of CFB Wind CapsBoheng Tong, Hongyu Zeng, Qingfeng Zhang, and Junfu Lyu 537

42 Progress and Main Technical Characteristics of Ultra-supercritical Circulating Fluidized Bed Boiler Shengwei Xin, Yingping Li, Peng Zhang, Changhua Hu, Man Zhang, and Hu Wang 547

43 Experimental Study on Peaking Performance of 145 MW Circulating Fluidized Bed Boiler Unit with Retrotting for Low-Vacuum Heat SupplyXuhui Zhang, Zhonghua Zhao, Gui Long Xiong, Fuxing Cui, Xinguang Dong, Qingchuan Zhao, Ke Liu, Haichao Wang, and Jinglong Liu 561

44 The Technology and Application of a New Type of Coal Water Slurry-Fired CFB with High Efciency and Clean Combustion 571

Yuping Hao, Ruiguo Li, and Yujiao Chen

45 Study on Pollutants Control of Circulating Fluidized Bed Boiler Burning Low Caloric Value CoalWanzhu Wu, Ruixin Li, Hu Wang, and Congyang Gu 583