Polymer dispersion device

Details Polymer dispersion device Polymer dispersion device

1979-10-01

1981-06-23

Coe, Philip R.

Agitating

Having interrelated feed and discharge means

Including means to monitor or control operation

366134, 366140, 366152, 366161, 366173, 366178, 366341, B01F 308, B01F 504

Patent

active

042747490

ABSTRACT:
A device for dispersing fluid polymeric material in a liquid diluent without degradation of polymer chain length includes a body having a generally T-shaped interior cavity with a pair of opposed inlets and a side outlet. One inlet holds a diluent injection assembly while the other holds a polymer injection assembly. The juxtaposition of the front ends of the injection assemblies within the interior cavity creates a zone where concurrent streams are pre-mixed and an orifice where the pre-mix is immediately subjected to high shear forces; adjusting the relative positions of the injection assemblies changes the size of the orifice. The continuous on-line supply of a polymer dispersion to a point of use incorporates such a dispersing device, a metering pump for supplying polymer and a small detention tank, which ages the dispersion for about a minute before it is delivered to a conduit leading to the point of use.

REFERENCES:
patent: 789673 (1905-05-01), Richter
patent: 2645463 (1953-07-01), Stearns
patent: 2692764 (1954-10-01), Hanson
patent: 3101902 (1963-08-01), Chamberlain et al.
patent: 3335671 (1967-08-01), Schoenecker et al.
patent: 3726297 (1973-04-01), Heimann et al.
patent: 4057223 (1977-11-01), Rosenberger

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