Method and apparatus for the control of suspension density by us

Details Method and apparatus for the control of suspension density by us Method and apparatus for the control of suspension density by us

1987-09-18

1992-07-07

Peters, Jr., Joseph F.

Conveyors: fluid current

Having means to introduce booster fluid into conveyor

406 90, 48 62R, B65G 5304, B01J 300

Patent

active

051277727

ABSTRACT:
The suspension density and mass flow rate of a particular solids and gas mixture transported to a reactor is controlled by using a radiation source and detector. The suspension density is measured and compared to a preselected value. The result is converted to a control signal which may be used to control venting from the vessel, and/or the amount of aeration gas supplied to the lower portion of the vessel, in order to maintain the suspension density at the preselected value and provide a constant mass flow rate.

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patent: 4611955 (1986-09-01), Doerr
patent: 4613259 (1986-09-01), Packer et al.

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