Vibratory Screen Wire Alignment for Shale Shaker Efficiency
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Solution Overview
Problem
Existing screens for shale shakers and vibratory separators often suffer from misalignment of wires, leading to reduced effectiveness and premature failure due to deformation of openings, which affects the separation efficiency of solids from drilling fluids.
Innovation Solution
The implementation of screen assemblies with multiple layers of screen mesh or cloth where wires in each layer are carefully aligned according to preselected parameters, such as wire count ratios, to maintain alignment during use, and are secured together using adhesives or connectors to ensure consistent alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple layers of screen mesh or cloth are stacked together, then the separation efficiency is improved, but the wires become misaligned causing deformation of openings
Solution Approach 1:
The invention applies preliminary action by pre-aligning the wires of multiple screen layers before they are assembled together. The screening assembly is constructed with wires from different layers positioned in alignment with each other prior to operation, preventing the misalignment that would otherwise occur during use. This preliminary positioning ensures that the openings between wires remain undeformed and maintain their intended geometry throughout the screening process.
2Reliability
If wires in multiple layers are aligned according to preselected parameters, then the screen effectiveness is improved, but the manufacturing complexity increases
Solution Approach 1:
The invention applies parameter changes by specifying precise alignment parameters for the wires in multiple screen layers. Wires are positioned according to defined parameters such as wire diameter, spacing, and relative positioning between layers. These controlled parameter variations enable consistent wire alignment that improves screen effectiveness while providing a systematic approach to manufacturing that manages complexity through standardization.
Data Source
AI summary
A screen for a vibratory separator includes at least two layers of screening material, at least one layer of screening material made of a plurality of intersecting wires having a coating containing nickel or chromium. Wires in the screening material including first shute wires and first warp wires at a right angles to each other. The first warp wires at a right angle to first shute wires, the second wires including second shute wires and second warp wires, each of the second shute wires at a right angle to second warp wires, and each of the second warp wires at a right angle to second shute wires. The first warp wires are aligned with second warp wires, and each of the first shute wires are aligned with a second shute wire.