Patent ID: 9364777
Filing Date: 2016-06-14
CPC Classification: B01D,B07B,E21B

Claim Text:
1. An apparatus for separating solids from solids laden drilling fluid, the apparatus comprising: a skid; a basket resiliently suspended to the skid, the basket having at least one screen deck for receiving at least one screen, the basket having a feed end at which the solids laden drilling fluid is introduced and a discharge end at which the solids are discharged through a solids discharge opening, a vibratory mechanism to vibrate the basket; a hood encompassing at least the discharge end of the basket; at least one extraction outlet arranged at the discharge end at one end of the hood to remove fume laden air from the basket; and a sump arranged beneath the basket, the sump having a sump discharge opening at an opposite end of the hood from the discharge end to draw in the fume laden air from the basket; wherein replacement air discharged through the at least one extraction outlet is passed through the sump discharge opening and the solids discharge opening to supply the replacement air to replace the fume laden air removed through the at least one extraction outlet.