Process for increasing the quantity of powder dispensed in a pow

Details Process for increasing the quantity of powder dispensed in a pow Process for increasing the quantity of powder dispensed in a pow

1990-02-26

1991-05-28

Focarino, Margaret A.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406 14, 406 19, 406146, 406108, 406122, B65G 5350

Patent

active

050189107

ABSTRACT:
In a powder coating system wherein the powder is introduced via a feed conduit from the feed point to a mixing chamber, a pressure gradient oriented against the chamber is produced along the feed conduit by acceleration of a gas jet in the mixing chamber, and pressure recovery is obtained by retarding the powder-gas stream, in order to feed the powder-gas stream through a conveying line to a coating unit. For increasing the quantity of powder dispensed per unit time to the powder coating system, the pressure drop in the powder-gas stream along the conveying line is at least in part compensated for by raising the pressure at the feed point.

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