The slot flow meter: A new device for continuous solids flow measurement

Chemical Engineering Science

Volumn 52, Issue 24, 1997, Pages 4637-4648

  Harris, B J ^a   Davies, C E ^a   Davidson, J F ^a,b  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^b CALLAGHAN INNOVATION   (New Zealand)

Author keywords

Continuous solids flow measurement; Slot flow meter

Indexed keywords

FLOW MEASUREMENT; FLOW OF SOLIDS; FLUIDIZED BEDS; GRANULAR MATERIALS; HOPPERS;

SLOT FLOW METERS;

FLOW MEASURING INSTRUMENTS;

FLOW MEASUREMENT; FLOWMETER; FLUIDIZED BED; GRANULAR MATERIAL;

EID: 0031553379     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2509(97)00305-9     Document Type: Article

References (25)

1. Brown, R. L. and Richards, J. C. (1970) Principles of Powder Mechanics, p. 152. Pergamon Press, Oxford.
2. Burkell, J. J., Grace, J. R., Zhao, J. and Lim, C. J. (1988) Measurement of solids circulation rates in circulating fluidized beds. In Circulating Fluidized Bed Technology II, Proceedings of the 2nd International Conference on circulating fluidized beds, Campiegne, France, eds, P. Basu and J. F. Large, pp. 501-509. Pergamon Press, Oxford.
3. Davidson, J. F. and Nedderman, R. M. (1973) The hour-glass theory of hopper flow. Trans. Instn Chem. Engrs 51, 29-35.
4. Davies, C. E. (1992) On the transient behaviour of the flow of paniculate solids through a vertical slot. Proceedings of the Chemeca '92, 20th Australasian Chemical Engineering Conference, Canberra, Australia, Vol. 2, pp. 575-2-582-2.
5. Davies, C. E., Dayal, J. and Fenton, K. (1995a) Online measurement of the mean particle size of flowing bulk solids using a vertical slot. Proceedings of the 5th International Conference on bulk materials storage, handling and transportation, Newcastle, Australia, Vol. 2, pp. 365-370. Pub. Instn Engrs, Australia.
6. Davies, C. E. and Fenton, K. (1992) Response of particulate solids flowing through a vertical slot to a step change in flow rate. Proceedings of the Chemica '92, 20th Australasian Chemical Engineering Conference. Canberra, Australia, Vol. 1, pp. 2381-245-1.
7. Davies, C. E. and Fenton, K. (1995) Continuous estimation of particle size using a fluidized bed with a vertical slot. Proceedings of the Chemeca '95, 23rd Australasian Chemical Engineering Conference, Adelaide, Australia, Vol. 4, pp. 8-13.
8. Davies, C. E., Fenton, K. and Dayal, J. (1993) Meter calibration in solids flow measurement with a slot flow meter. Proceedings of the APCChE and Chemeca '93, 21st Australasian Chemical Engineering Conference, Melbourne, Australia, Vol. 2, pp. 223-2-227-2
9. Davies, C. E. and Foye, J. (1991) Flow of granular material through vertical slots, Trans. Instn Chem. Engrs 69A, 369-373.
10. Davies, C. E., Grey, J. and Fenton, K. (1992a) Considerations in the design of a slot flow meter for bulk solids. Proceedings of the Chemeca '92, 20th Australasian Chemical Engineering Conference, Canberra, Australia, Vol. 1, pp. 295-1-302-1.
11. Davies, C. E., Grey, J. Webb, M. and Nicholls, D. (1992b) A slot flow meter for large bulk solids flows. 4th International Conference on bulk material storage handling and transportation, Wollongong, Australia, pp. 359-365. Pub. Instn Engrs, Australia.
12. Davies, C. E. and Harris, B. J. (1991) Flowmeter and method for flow measurement of flowable materials. New Zealand Patent numbers 232814/ 234350/234570. UK Patent number 2241789. Australian Patent number 645062.
13. Davies, C. E. and Harris, B. J. (1992) A device for measuring solids flow rates: characteristics, and application in a circulating fluidized bed. In Fluidization VII, Proceedings of the Engineering Foundation Conference on Fluidization, Brisbane, eds, O. E. Potter and D. J. Nicklin, pp. 741-747.
14. Davies, C. E. and Harris, B. J. (1993) The slot flow meter: a new approach to the measurement of the flowrate of particulate solids. Trans. Inst. Prof. Engrs, New Zealand 20(1)/EMCh 42-48.
15. Davies, C. E., Tallon, S., Grey, J. and Miller, F. (1995b) Characteristics of a slot flow meter for agricultural seeds and grains. Proceedings of the 5th International Conference on bulk materials storage, handling and transportation, Newcastle, Australia, Vol. 2, pp. 493-498. Pub. Instn Engrs, Australia.
16. Harris, B. J. (1992) The hydrodynamics of circulating fluidized beds. Ph.D. dissertation, Cambridge, pp. 67-83.
17. Harris, B. J., Davidson, J. F. and Davies, C. E. (1992) Slot flow metering: fundamental investigations, pilot-scale tests and industrial prototype. KONA, Powder and Particle 10, 104-112.
18. Jimbo, G. and Watanabe, K. (1985) Instrumentation for monitoring the flow of particulate solids in transport system. Proceedings of the reliable flow of particulate solids, Bergen, pp. 660-668. Norway pub. Chr. Inst. Dept. Sci. and Technology.
19. Jost, G. (1987) Solids flow meter. Chem. Plants and Processing Edition Europe, December, pp. 14-18.
20. Judd, M. R. and Bernhardt, H. W. (1991) Flowmeter for the measurement of solids circulation rate in a CFB. In Circulating Fluidized Bed Technology III, Proceedings of the 3rd International Conference on Circulating Fluidized Beds, Nagoya, Japan, eds P. Basu, M. Horio, and Hasatami, M., pp. 621-626. Pergamon Press, Oxford.
21. Nedderman, R. M. (1992) Statics and Kinematics of Granular Materials, p. 294. Cambridge University Press, Cambridge.
22. Patience, G. S. and Chaouki, J. (1991) Solids circulation rate determined by pressure drop measurements. In Circulating Fluidized Bed Technology III, Proceedings of the 3rd International Conference on circulating fluidized beds, Nagoya, Japan, eds P. Basu, M. Horio and M. Hasatami, pp. 627-632. Pergamon Press, Oxford.
23. Rhodes, M. J., Laussmann, P., Villain, F. and Geldart, D. (1988) Measurement of radial and axial solids flux variations in the riser of a circulating fluidized bed. In Circulating Fluidized Bed Technology II, Proceedings of the 2nd International Conference on circulating fluidised beds, Compiegne, France, eds, P. Basu and J. F. Large, pp. 155-164. Pergamon Press, Oxford.
24. Savage, S. B. (1965) The mass flow of granular materials derived from coupled velocity-stress fields. Brit. J. Appl. Phys. 16, 1885-1888.
25. Yerushalmi, J., Cankurt, N. T., Geldart, D. and Liss, B. (1978) Flow regimes in vertical gas-solid contact systems. A.I.Ch.E. Symp. Ser. 74 (176), 1-13.