Compressor Pressure Control for Condensation Vapor Removal
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Solution Overview
Problem
Conventional fluid compressor systems, particularly air compressors, face issues with liquid condensation accumulation due to high-pressure operation in humid conditions, leading to problems such as oil-water emulsions and inefficient water removal.
Innovation Solution
Implementing a control system that dynamically adjusts operating pressure and temperature to vaporize accumulated condensation through a water removal mode, utilizing sensors to trigger operations based on system and ambient conditions, and maintaining pressure below saturation levels to facilitate vaporization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the compressor operates at high pressure to improve productivity, then compressed fluid supply is enhanced, but liquid condensation accumulates within the system
Solution Approach 1:
The system alternates between normal high-pressure compression operation and periodic water removal cycles. During water removal mode, the pressure is reduced below saturation pressure to vaporize and remove condensed water, then returns to normal compression operation. This periodic switching resolves the contradiction by temporarily sacrificing productivity during water removal cycles to prevent condensation accumulation that would otherwise harm the system.
Solution Approach 2:
The system dynamically changes the operating pressure parameter between two states: high pressure for compression operation and low pressure (below saturation pressure) for water removal. By controlling the pressure parameter to fluctuate between these states, the system maintains high productivity during compression while enabling effective water removal during low-pressure cycles, resolving the contradiction between productivity and condensation prevention.
2Ease of operation
If conventional water removal methods are used, then liquid water can be drained, but oil-water emulsions form and removal efficiency decreases
Solution Approach 1:
The system utilizes phase transition of water from liquid to vapor by reducing pressure below saturation pressure. This causes condensed water and oil-water emulsions to vaporize, transforming them from liquid states that are difficult to separate to vapor state that can be easily removed with compressed air. This phase transition approach resolves the contradiction by enabling efficient removal of emulsions that would otherwise accumulate and reduce productivity.
3Object-generated harmful factors
If pressure is reduced to remove condensation, then water vaporization improves, but system operating pressure decreases
Solution Approach 1:
The system periodically reduces pressure below saturation pressure to vaporize and remove condensed water, then restores normal operating pressure. This periodic pressure reduction resolves the contradiction by temporarily sacrificing operating pressure to enable effective condensation removal, while maintaining high pressure during normal compression operation. The periodic nature ensures that the pressure reduction is only temporary and does not become the new normal operating state.
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
Effectively reduces condensation accumulation by vaporizing and removing water from the compressor system, preventing oil-water emulsions and enhancing operational efficiency.
Implementation Method 1
controlling a system pressure of the fluid compressor system based on the target operating pressure to vaporize at least part of the entrained liquid
Implementation Method 2
controlled reduction in operating pressure of a fluid compressor system can result in improved removal of condensation, including by flashing at least part of the condensation to vapor
Data Source
AI summary
A fluid compressor system can include a compressor, a power source operably connected to the compressor to power the compressor, and a control system. The control system includes one or more control devices configured to determine a system temperature of the fluid compressor system, determine a target operating pressure based on the system temperature, and selectively operate the fluid compressor system in a water removal mode, including controlling a system pressure of the fluid compressor system based on the target operating pressure to vaporize liquid within the compressor system.