Characteristics of bubble and fine coal separation using active pulsing air dense medium fluidized bed

Powder Technology

Volumn 257, Issue , 2014, Pages 40-46

  Dong, Liang ^a   Zhao, Yuemin ^a   Duan, Chenlong ^a   Luo, Zhenfu ^a   Zhang, Bo ^a   Yang, Xuliang ^a  

^a CHINA UNIVERSITY OF MINING AND TECHNOLOGY   (China)

Author keywords

Active pulsing air; Bubble; Fine coal; Fluidized bed; Separation

Indexed keywords

ACID RAIN; COAL INDUSTRY; COAL PREPARATION; GLOBAL WARMING; SEPARATION;

AIR DENSE MEDIUM FLUIDIZED BEDS; ASH CONTENTS; BUBBLE; ENVIRONMENTAL POLLUTIONS; FINE COALS; PRIMARY ENERGIES; PULSING AIR; TECHNOLOGY-BASED;

FLUIDIZED BEDS;

COAL;

AIR DENSE MEDIUM FLUIDIZED BED; AIRFLOW; ARTICLE; ASH; BUBBLE; COAL POWER; CONTROLLED STUDY; DENSITY; FLUIDIZED BED; MATERIAL STATE; PARTICLE SIZE; PULSED FLUIDIZED BED; SEPARATION TECHNIQUE;

EID: 84896041837     PISSN: 00325910     EISSN: 1873328X     Source Type: Journal    
DOI: 10.1016/j.powtec.2014.02.049     Document Type: Article

References (23)

1. BP 2030 Energy outlook 2012.
2. Deng Q.G., Liu M.J., Zhao F.J., Wang Q. Geochemistry characteristics of sulfur in coals. Disaster Adv. 2013, 6:234-240.
3. Deng X.W., Liu J.T., Wang Y.T., Cao Y.J. Velocity distribution of the flow field in the cyclonic zone of cyclone-static micro-bubble flotation column. Int. J. Min. Sci. Technol. 2013, 23(1):89-94.
4. Liu J.T., Xu H.X., Li X.B. Cyclonic separation process intensification oil removal based on microbubble flotation. Int. J. Min. Sci. Technol. 2013, 23(3):415-422.
5. He J.F., Zhao Y.M., Luo Z.F., He Y.Q., Duan C.L. Numerical simulation and experimental verification of bubble size distribution in an air dense medium fluidized bed. Int. J. Min. Sci. Technol. 2013, 23(3):387-394.
6. Luo Z.F., Zhao Y.M., Tao X.X., Fan M.M., Chen Q.R., Wei L.B. Progress in dry coal cleaning using air-dense medium fluidized beds. Int. J. Coal Prep. Util. 2003, 23:13-20.
7. Zhao Y.M., Liu X.J., Liu K.L., Luo Z.F., Wu W.C., Song S.L., Tang L.G. Fluidization characteristics of a gas-paigeite-powder bed to be utilized for dry coal beneficiation. Int. J. Coal Prep. Util. 2011, 31:149-160.
8. Zhao Y.M., Li G.M., Luo Z.F., Liang C.C., Tang L.G., Chen Z.Q., Xing H.B. Modularized dry coal beneficiation technique based on gas-solid fluidized bed. J. Cent. South Univ. 2011, 18:374-380.
9. Li H.B., Luo Z.F., Zhao Y.M., Wu W.C., Zhang C.Y., Dai N.N. Cleaning of South African coal using a compound dry cleaning apparatus. Min. Sci. Technol. (China) 2011, 21:117-121.
10. Zhao Y.M., Tang L.G., Luo Z.F., Liang C.C., Xing H.B., Wu W.C., Duan C.L. Experimental and numerical simulation studies of the fluidization characteristics of a separating gas-solid fluidized bed. Fuel Process. Technol. 2010, 91:1819-1825.
11. Yang X.L., Zhao Y.M., Luo Z.F., Chen Z.Q., Liang C.C. Establishment and evaluation of a united dry coal beneficiation system. Int. J. Coal Prep. Util. 2012, 32:95-102.
12. SAHU A.K., TRIPATHY A., BISWAL S.K., PARIDA A. Stability study of an air dense medium fluidized bed separator for beneficiation of high-ash Indian coal. Int. J. Coal Prep. Util. 2011, 31:127-148.
13. OSHITANI J., KAWAHITO T., YOSHIDA M., GOTOH K., FRANKS G.V. The influence of the density of a gas-solid fluidized bed on the dry dense medium separation of lump iron ore. Miner. Eng. 2011, 24(1):70-76.
14. OSHITANI J., FRANKS G.V., GRIFFIN M. Dry dense medium separation of iron ore using a gas-solid fluidized bed. Adv. Powder Technol. 2010, 21(5):573-577.
15. Luo Z.F., Fan M.M., Zhao Y.M., Tao X.X., Chen Q.R., Chen Z.Q. Density-dependent separation of dry fine coal in a vibrated fluidized bed. Powder Technol. 2008, 187:119-123.
16. Fan M.M., Chen Q.R., Zhao Y.M., Luo Z.F., Guan Y., Li B.B. Fundamentals of a magnetically stabilized fluidized bed for coal separation. Powder Technol. 2002, 123:208-211.
17. Choung J., Mak C., Xu Z.H. Fine coal beneficiation using an air dense medium fluidized bed. Coal Prep. 2006, 26(1):1-15.
18. Wang X.S., Rhodes M.J. Pulsed fluidization-a DEM study of a fascinating phenomenon. Powder Technol. 2005, 159:142-149.
19. Zhang D.H., Murat K. Heat transfer in a pulsed bubbling fluidized bed. Powder Technol. 2006, 168:21-31.
20. Gui N., Fan J.R. Numerical simulation of pulsed fluidized bed with immersed tubes using DEM-LES coupling method. Chem. Eng. Sci. 2009, 64:2590-2598.
21. Nitz M., Taranto O.P. Drying of beans in a pulsed fluid bed dryer: drying kinetics, fluid-dynamic study and comparisons with conventional fluidization. J. Food Eng. 2007, 80:249-256.
22. Li J., Liu Y.Y. Particle-wave duality and coherent instability control in dense gas-solid flows. Chem. Eng. Sci. 2008, 63:732-750.
23. Yang X.L., Zhao Y.M., Luo Z.F., Song S.L., Duan C.L., Dong L. Fine coal dry cleaning using a vibrated gas-fluidized bed. Fuel Process. Technol. 2013, 106:338-343.