Centrifugal mud separator

Imperforate bowl: centrifugal separators – Rotatable bowl – Including means for imparting other movement to bowl in...

Reexamination Certificate

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Details

C494S050000, C494S060000, C494S067000

Reexamination Certificate

active

06398706

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to a centrifugal mud separator and particularly a mud separator that employs high speed rotation upper and lower cap to generate centrifugal force and suspension effect resulting from liquid speed differentiation and continuous impact against guiding vanes for separating soil and water from the mud.
Conventional centrifugal mud separators are generally constructed like the one disclosed in ROC New Utility Patent No. 87201743 on Mar. 11, 1999, shown in FIG.
1
. It generally includes a base frame
10
which supports a motor
11
to drive a separation barrel
12
to rotate. Mud dropped into the barrel
12
is driven by a spindle
13
and blades
14
to splash on the inside surface of the barrel
12
. The rotating barrel
12
generates centrifugal force to separate soil from the water. Due to centrifugal force, the soil residue which has greater specific gravity is moved upward to push the upper cap
15
upward to form a gap with the barrel
12
. The soil residue then will be discharged out through the gap into a trough
16
located on the base frame
10
and be carried away by a conveyer
18
through the plate
17
. The water being separated drops downward in the barrel
12
and is discharged out through an outlet
19
located at a lower portion of the barrel
12
. The whole separation process is done automatically. It may save a lot of manpower and process time for clearing the soil residue, and thus increases economic value. However this type of separator cannot adjust mud throwing power and remainder water content, and results in not total separation of soil and water. There is still room for improvement.
SUMMARY OF THE INVENTION
It is therefore an object of this invention to provide an improved centrifugal mud separator that has a changeable speed setting to separate soil and water automatically, and adjustable soil squeezing force to control the movement of a movable disk for opening discharging outlets and water content in the discharged soil thereby to simplify operation, save hardware space, run continuously at high speed and conform with specified process desired.


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