Compressor Oil Level Control via Suction-Driven Auto Refill
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing compressor systems require time and labor-intensive manual refilling of oil in the primary oil reservoir, leading to wasted energy and potential compressor damage due to oil starvation, as the oil level in the gas/oil separator tank is not efficiently maintained.
Innovation Solution
A compressor system with a supplemental oil reservoir, valve, controller, low oil level sensor, and maximum oil level sensor that automatically maintains a desired oil level in the gas/oil separator tank without human intervention, using the suction pressure to draw oil from the supplemental reservoir and add it to the gas/oil separator tank when levels are low, and stopping when maximum levels are reached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual refilling of oil is performed in existing compressor systems, then the oil level can be restored, but time and labor are wasted and energy is lost due to shutdowns and blowdowns
Solution Approach 1:
The system enables automatic self-refilling of oil in the gas/oil separator tank using a supplemental oil reservoir, level sensors, and a valve system that operates autonomously based on oil level conditions, eliminating the need for manual intervention and associated time losses
Solution Approach 2:
A supplemental oil reservoir is pre-filled with oil and positioned ready to supply the gas/oil separator tank, so that when the oil level drops, the refilling process can immediately begin without waiting for manual preparation or system shutdown
2Reliability
If manual refilling is performed, then oil level can be restored, but energy is wasted due to shutdowns and blowdowns of compressed air
Solution Approach 1:
The automatic self-refilling system operates continuously during compressor operation, eliminating the need for shutdowns and blowdowns that waste compressed air energy, as the oil level is maintained without interrupting the compression process
Solution Approach 2:
The system maintains continuous operation of the compressor while simultaneously performing oil level maintenance through the automatic refilling mechanism, ensuring that the useful compression action continues without interruption and energy is not wasted
3Device complexity
If no automatic oil level maintenance is implemented, then system complexity remains low, but oil starvation can occur leading to compressor damage
Solution Approach 1:
The system uses simple level sensors that detect oil levels and automatically trigger the refilling valve, creating a self-regulating mechanism that protects against oil starvation with minimal complexity - the system monitors and corrects its own oil level without external intervention
Solution Approach 2:
Level sensors provide continuous feedback on the oil level in the gas/oil separator tank, and this feedback automatically controls the refilling valve to open when oil is low and close when the tank is full, creating a simple closed-loop protection system that prevents oil starvation
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 solution ensures consistent compressor performance by maintaining a stable oil level, reducing the need for manual shutdowns and energy wastage, as the oil level is automatically topped up and controlled within predetermined limits, thereby preventing oil starvation and extending compressor lifespan.
Implementation Method 1
the valve is operative to, when opened, expose the supplemental oil reservoir to the suction pressure of the suction side, and draw oil from the supplemental oil reservoir by suction into the suction side of the compressor
Data Source
AI summary
A compressor system includes: a compressor having a suction side and a discharge side, wherein the compressor is operative to compress a gas using oil, wherein the suction side operates at a suction pressure and is operative to receive a the gas and the oil into the compressor; and wherein the discharge side is operative to discharge the compressed gas and the oil; a gas/oil separator tank operative to store oil separated from the compressed gas for subsequent use by the compressor; a supplemental oil reservoir in fluid communication with the suction side; and a valve operative to, when opened, expose the supplemental oil reservoir to the suction pressure of the suction side of the compressor, and draw oil from the supplemental oil reservoir by suction into the suction side of the compressor.