Apparatus for mixing friction-reducing additive to water

Details Apparatus for mixing friction-reducing additive to water Apparatus for mixing friction-reducing additive to water

1974-02-04

1977-07-26

Cohan, Alan

Fluid handling

Plural tanks or compartments with parallel flow

With manifold or grouped outlets

137 13, 137240, 1375645, 137599, 137604, F16K 1900

Patent

active

040376184

ABSTRACT:
To a water stream, during the steady flow conditions thereof, a friction-reducing additive is introduced from a vessel through a supply line by means of a mixing nozzle. During the transient flow conditions of the water stream, for preventing the admixture of the friction-reducing additive into the water stream, instead of this additive a buffer liquid is introduced into the supply line between the vessel and the mixing nozzle.

REFERENCES:
patent: 2840147 (1958-06-01), Almestad
patent: 2865388 (1958-12-01), Sternbergh
patent: 3392753 (1968-07-01), Kleinmann
patent: 3601079 (1972-08-01), Giles et al.
patent: 3643688 (1972-02-01), Meinert
patent: 3900043 (1975-08-01), Bowen et al.

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