VIBRATING SCREEN Russian patent published in 2002 - IPC

FIELD: apparatuses for separating suspensions and cleaning drilling mud from slime, possibly in oil and gas industry branches. SUBSTANCE: vibrating screen includes foundation, frame mounted by means of shock absorbers and provided with vibrator, two successively arranged screening webs secured to frame. Discharging end of first screen web is arranged over charging end of second screen web. First screen web is mounted with possibility of changing inclination angle by 0-10 degrees. Vibrating screen includes additional upper floor having rigid frame-type screen with preliminarily tensioned screen web and it is made with possibility of adjustment of the whole vibrating frame by inclination angle in range 2-10 deg. Vibrating screen has door for guiding drilling mud onto first filtering screen. EFFECT: enhanced quality of cleaned drilling mud, lowered moisture content of slime, enlarged technical possibilities. 2 cl, 2 dwg