Method and apparatus providing a storage and injection...

Details Method and apparatus providing a storage and injection... Method and apparatus providing a storage and injection...

B - Operations, Transporting

65

G

302/17

B65G 53/30 (2006.01) F17D 3/12 (2006.01)

Patent

CA 1153042

ABSTRACT METHOD AND APPARATUS PROVIDING A STORAGE AND INJECTION SYSTEM FOR SOLID FRICTION REDUCING POLYMERS IN PIPELINES A method and apparatus are provided for maintaining polymer particles in readily recoverable, discrete form, and for injecting the particles into a pipeline hydro- carbon by disposing particulate polymer within a storage hopper (10) having a cone bottom and an auger (16) ex- tending upwardly from the bottom, rotating the auger to cause the polymer particles to revolve in the hopper, reversing the rotation of the auger to pass polymer particles downwardly into a mixing chamber (12) below the hopper, the particles passing through a rotary metering valve (11), and a bin activator (19), intermediate storage (20) and rotary metering valve (11) at the upper end of the chamber, simultaneously spraying a liquid such as oil or water tangentially in the chamber optionally agitating the chamber and removing a slurry of particulate polymer and the liquid from the chamber and injecting the slurry into a pipeline hydrocarbon. Fig. 1

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