Throttle valve for coolant circulation system
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Solution Overview
Problem
Intercoolers in fluid compressor systems accumulate dirt and debris, leading to partial or total clogging, reducing efficiency and causing higher-than-desired working fluid temperatures before entering the next compression stage, necessitating modulation of coolant flow to maintain optimal performance.
Innovation Solution
A coolant circulation system with throttle valves is implemented to regulate coolant flow through intercoolers and an aftercooler, ensuring efficient temperature management across multiple compression stages by modulating coolant flow rates, thereby maintaining optimal air-end temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If coolant flow is increased to maintain optimal air-end temperatures, then temperature control is improved, but system complexity and energy consumption increase
Solution Approach 1:
The system uses waste heat from the compressor discharge to preheat the coolant before it enters the intercoolers, creating a self-sustaining thermal management system that reduces the energy required for cooling while maintaining optimal air-end temperatures
Solution Approach 2:
The system dynamically adjusts coolant flow parameters and temperature distribution across different intercoolers based on real-time operating conditions, allowing optimal temperature control without requiring maximum coolant flow at all times, thereby reducing overall system complexity
2Temperature
If intercoolers are operated continuously to cool compressed fluid, then cooling effectiveness is maintained, but dirt and debris accumulation increases leading to clogging
Solution Approach 1:
The system implements periodic reverse flow cycles where coolant flow direction is alternated to prevent debris accumulation in specific locations, and incorporates periodic flushing operations to clear accumulated contaminants while maintaining continuous cooling functionality
Solution Approach 2:
A filtration system with removable filters is installed in the coolant circulation paths to intercept and collect dirt and debris before they can clog the intercooler flow paths, allowing continuous operation while maintaining reliability
3Measurement precision
If multiple intercoolers are used in staged compression, then temperature control precision is improved, but system complexity and coolant flow management difficulty increase
Solution Approach 1:
The cooling system is divided into multiple independent circulation loops, each serving specific intercoolers, with individual flow control valves and temperature sensors that can be independently adjusted to optimize cooling for each compression stage without affecting others
Solution Approach 2:
Temperature sensors are installed at the outlet of each intercooler to provide real-time feedback to a control system that automatically adjusts coolant flow distribution to maintain precise temperature control across all stages, reducing the operational complexity of managing multiple intercoolers
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
The system enhances the efficiency of fluid compressor systems by maintaining desired air-end temperatures, preventing clogging, and ensuring consistent performance across multiple compression stages, even in the presence of debris accumulation.
Implementation Method 1
A coolant circulation system with throttle valves is implemented to regulate coolant flow through intercoolers and an aftercooler, ensuring efficient temperature management across multiple compression stages by modulating coolant flow rates
Implementation Method 2
Intercoolers and an aftercooler downstream from the compression stages are configured to reduce the temperature of the working fluid after it is compressed by the compression stages
Data Source
AI summary
A fluid compressor system configured to supply a compressed working fluid including at least a first air-end and a second air-end, a first and second intercooler, and a coolant circulation system having at least one throttle valve. The first and second intercoolers are configured to cool the compressed working fluid delivered by the first and second air-ends of the fluid compressor system, respectively. The coolant circulation system includes a coolant supplying header and a coolant collecting header, where the coolant supplying header supplies a coolant to the first intercooler and the second intercooler, and the coolant collecting header collects the coolant from the first intercooler and the second intercooler. The at least one throttle valve regulates a coolant flow discharged by one of the first intercooler or the second intercooler prior to entering the coolant collecting header.