There are several classifications of mud shale shakers:
1. By Vibration Conditions
Shale shakers are classified by vibration conditions as follows:
a) Atmospheric Pressure Shale Shaker: Both the top and bottom surfaces of the screen are under atmospheric pressure.
b) Positive Pressure Shale Shaker: The top surface of the screen is under atmospheric pressure, and the bottom surface is under atmospheric pressure.
c) Negative Pressure Shale Shaker: The top surface of the screen is under atmospheric pressure, and the bottom surface is under atmospheric pressure.
2. By Vibration Type
Shale shakers are classified by vibration type as follows:
a) Ordinary Elliptical Shale Shaker: During operation, the screen box moves along an elliptical trajectory and pitches around its center of mass.
b) Circular Shale Shaker: During operation, the screen box moves along a circular trajectory.
c) Linear Shale Shaker: During operation, the screen box moves along a linear trajectory.
d) Translational Elliptical Shale Shaker: During operation, the screen box moves along a translational elliptical trajectory.
e) Dual-Track Shale Shaker: During operation, the screen box can vibrate along both a linear and a translational elliptical trajectory, and can freely switch between the two trajectories.
3. By Combination Type
Shale shakers are classified by combination type as follows:
a) Single screen: One shale shaker operates independently.
b) Double screen: Two shale shakers are installed side-by-side on the same base, horizontally or vertically, capable of processing drilling fluid simultaneously.
c) Multi-screen: Three or more shale shakers are installed side-by-side on the same base, horizontally or vertically, capable of processing drilling fluid simultaneously.
4. By Screen Arrangement Type
Shale shakers are classified by screen arrangement type as follows:
a) Single-layer screen: The screen box has one screen surface.
b) Double-layer screen: The screen box has two screen surfaces, one above the other, with a certain distance between them.
c) Multi-layer screen: The screen box has more than two screen surfaces, with a certain distance between adjacent screen surfaces.
d) Stacked screen: The screen box has two staggered screen surfaces.
