ESTONIAN ACADEMY
PUBLISHERS
eesti teaduste
akadeemia kirjastus
PUBLISHED
SINCE 1984
 
Oil Shale cover
Oil Shale
ISSN 1736-7492 (Electronic)
ISSN 0208-189X (Print)
Impact Factor (2020): 0.934

INVESTIGATION OF THE GAS FLOW DISTRIBUTION AND PRESSURE DROP IN XINJIANG OIL SHALE RETORT; pp. 172–185

Full article in PDF format | doi: 10.3176/oil.2015.2.07

Authors
Luwei Pan, FANGQIN DAI, Jianning Huang, SHUANG LIU, FAHUI ZHANG

Abstract

Xinjiang oil shale retort is a new type of retorting device developed for exploiting Xinjiang oil shale according to the rock characteristics. Knowledge of the gas flow distribution in the retorting zone and the pressure drops across the retort is important to increase production rate and achieve the stable operation of the retort. In this paper, the structure and working principle of Xinjiang oil shale retort are introduced. The gas flow distribu­tion in the retorting zone and the pressure drops across the retort system were investigated through a three-dimensional cold model of the retort. It was found that the distribution of vertical velocities of gas flow became more uniform with the increase of gas flow rate and bed depth. The optimal cold recycled gas amount is about 10% of the amount of hot recycled gas. In general, the results show that the gas flow distribution in the retorting zone is maldistribution, and the gas inlet structure should be modified. The empirical constants of the Ergun equation for the retort were determined, and the pressure drops across the retort were predicted and verified.


References

  1. Dyni, J. R. Geology and resources of some world oil-shale deposits. Oil Shale, 2003, 20(3), 193–252.

  2. Hepbasli, A. Oil shale as an alternative energy source. Energ. Source., 2004, 26(2), 107–118.
http://dx.doi.org/10.1080/00908310490258489

  3. Altun, N. E., Hicyilmaz, C., Hwang, J.-Y., Suat Bağci, A., Kök, M. V. Oil shales in the world and Turkey; reserves, current situation and future prospects: a review. Oil Shale, 2006, 23(3), 211–227.

  4. Al-Harahsheh, A., Al-Otoom, A. Y., Shawabkeh, R. A. Sulfur distribution in the oil fractions obtained by thermal cracking of Jordanian El-Lajjun oil shale. Energy, 2005, 30(15), 2784–2795.

  5. Wang, S., Jiang, X. M., Han, X. X., Tong, J. H. Investigation of Chinese oil shale resources comprehensive utilization performance. Energy, 2012, 42(1), 224–232.
http://dx.doi.org/10.1016/j.energy.2012.03.066

  6. Chen, S. B., Zhu, Y. M., Wang, H. Y., Liu, H. L., Wei, W., Fang, J. H. Shale gas reservoir characterisation: a typical case in the southern Sichuan Basin of China. Energy, 2011, 36(11), 6609–6616.
http://dx.doi.org/10.1016/j.energy.2011.09.001

  7. Jiang, X. M., Han, X. X., Cui, Z. G. New technology for the comprehensive utilization of Chinese oil shale resources. Energy, 2007, 5(32), 772–777.
http://dx.doi.org/10.1016/j.energy.2006.05.001

  8. Bai, Y. L. Prospects for Development of Oil Shale Deposits in Southeastern Margin of Junggar Basin. Xinjiang Petroleum Geology, 2008, 29(4), 462–465 (in Chinese).

  9. Shinohara, K., Golman, B. Air pressure drop across a particle moving bed in a three-dimensional cold model of a blast furnace. Adv. Powder Technol., 2005, 16(4), 387–397.
http://dx.doi.org/10.1163/1568552054194258

10. Dai, F. Q., Huang, S. S., Li, S. H., Liu, K. Study of a ceramic burner for shaftless stoves. Int. J. Min. Met. Mater., 2009, 16(2), 149–153.
http://dx.doi.org/10.1016/S1674-4799(09)60025-X

11. Pan, L. W., Dai, F. Q., Tian, Y. Q., Zhang, F. H. Experimental investigation of the sphericity of irregularly shaped oil shale particle groups. Adv. Powder Technol., 2015, 26(1), 66–72.
http://dx.doi.org/10.1016/j.apt.2014.08.006

12. Geldart, D. Estimation of basic particle properties for use in fluid-particle process calculations. Powder Technol., 1990, 60(1), 1–13.
http://dx.doi.org/10.1016/0032-5910(90)80099-K

13. Mayerhofer, M., Govaerts, J., Parmentier, N., Jeanmart, H., Helsen, L. Experi­mental investigation of pressure drop in packed beds of irregular shaped wood particles. Powder Technol., 2011, 205(1–3), 30–35.
http://dx.doi.org/10.1016/j.powtec.2010.08.006

14. Xie, H. Y., Shinohara, K. Modeling of solids flow in a blast furnace by the streamline method. Adv. Powder Technol., 1999, 10(4), 405–415.
http://dx.doi.org/10.1163/156855299X00244

15. Sodre, J. R., Parise, J. A. R. Fluid flow pressure drop through an annular bed of spheres with wall effects. Exp. Therm. Fluid Sci., 1998, 17(3), 265–275.
http://dx.doi.org/10.1016/S0894-1777(97)10022-X

16. Heggs, P. J., Ellis, D. I., Ismail, M. S. The modelling of fluid-flow distribu­tions in annular packed beds. Gas Sep. Purif., 1994, 8(4), 257–264.
http://dx.doi.org/10.1016/0950-4214(94)80006-5

17. Subagyo, Standish, N., Brooks, G. A. A new model of velocity distribution of a single-phase fluid flowing in packed beds. Chem. Eng. Sci., 1998, 53(7), 1375–1385.
http://dx.doi.org/10.1016/S0009-2509(97)00444-2

18. Wu, Q. C. Oil Shale Dry Distillation Technology. Liaoning Science and Technology Publishing House, Shenyang, 2012 (in Chinese).


Back to Issue