Pressure Transducer Fluid Level Detection in Vibratory Separators
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Solution Overview
Problem
Conventional methods for fluid level measurement in vessels, especially in turbulent or vibrating environments like vibratory separators, face challenges in accurately detecting fluid levels due to turbulence and vibration, leading to inefficiencies in fluid management and potential equipment damage from improper fluid levels.
Innovation Solution
The use of pressure transducers along flow lines that extend to different heights within a container, such as a vibratory separator, to measure changes in pressure, indicating fluid level changes, and a control unit to adjust fluid flow and separator operations based on these measurements, ensuring optimal fluid levels are maintained.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional fluid sensors (ultrasonic, radar) are used to measure fluid level, then the measurement can be performed non-contact, but the measurement precision deteriorates in turbulent or vibrating environments
Solution Approach 1:
The patent introduces flow lines as intermediary elements that extend from the fluid level sensor to the fluid surface. These flow lines act as a stable transmission medium that isolates the sensor from direct exposure to turbulent fluid conditions, allowing accurate level measurement while maintaining non-contact operation. The flow lines convey pressure information from the fluid surface to the sensor without being affected by turbulence or vibration in the same way direct contact sensors would be.
2Device complexity
If float-based mechanical monitoring systems are used to detect fluid level, then the system structure becomes simple, but the device complexity increases when multiple reed switches and cables are required for accurate level detection
Solution Approach 1:
The patent extracts the complex mechanical monitoring components (multiple reed switches, cables, and mechanical linkages) and replaces them with a single pressure sensor coupled to flow lines. This extraction eliminates the need for complex mechanical structures while maintaining accurate level detection capability. The flow lines convey pressure information from multiple levels to a single sensor, replacing the need for multiple mechanical switches.
3Measurement precision
If multiple flow lines with pressure transducers are used to monitor fluid levels at different heights, then the measurement precision improves, but the device complexity increases
Solution Approach 1:
The patent makes each flow line multi-functional by designing them to serve both as structural support elements and as pressure transmission conduits. The flow lines are positioned to provide structural stability to the sensor assembly while simultaneously conveying pressure information from the fluid surface. This dual function reduces the need for separate structural and sensing components, thereby reducing overall device complexity while maintaining multi-level measurement precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for precise monitoring and adjustment of fluid levels, optimizing separator performance, preventing overloading or drying, and extending equipment longevity by accurately detecting fluid level changes and automating adjustments.
Implementation Method 1
measuring a pressure through the flow line with the pressure transducer
Data Source
AI summary
An assembly includes at least one container, an injection medium supply, at least one flow line extending from the injection medium supply to an interior portion of the at least one container; and a pressure transducer coupled to each of the at least one flow line.