Parallel Cooling Tower Pressure Balance for Real-Time Water Output Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing water chiller systems face issues with hysteresis and imbalance in water output adjustments, leading to potential safety hazards due to abnormal water pressures.
Innovation Solution
A water chiller system comprising at least two cooling towers used in parallel, a water pressure balance adjustment circuit, and a main control board, which allows for real-time water output adjustments and balance adjustments among multiple cooling towers by monitoring and comparing input and output water pressures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual pressure gauge and thermometer control is used on inlet and outlet valves, then basic detection is achieved, but water output adjustment has hysteresis and imbalance
Solution Approach 1:
The patent implements automatic feedback control by connecting pressure sensors on the water supply pipe and water outlet pipe to a controller. The controller continuously monitors the pressure difference between inlet and outlet, and automatically adjusts the water outlet valve to maintain balanced water output across parallel cooling towers, eliminating the hysteresis and manual adjustment delays of traditional gauge-based systems.
Solution Approach 2:
The patent replaces the manual mechanical control system (pressure gauges and thermometers with manual valve adjustment) with an automated electronic control system. Pressure sensors and electronic controllers substitute for manual mechanical operations, enabling real-time detection and automatic balance adjustment of water outputs from multiple cooling towers.
2Productivity
If cooling towers are operated in parallel without balance adjustment, then cooling capacity is increased, but water pressure imbalance causes safety hazards
Solution Approach 1:
The system uses pressure sensors to continuously monitor water pressure in parallel cooling towers and feeds this information back to a controller. The controller automatically adjusts water outlet valves to maintain equal water output from each tower, preventing pressure imbalances and safety hazards while preserving the high cooling capacity benefits of parallel operation.
Solution Approach 2:
The patent implements preliminary balance adjustment by detecting water pressure differences before they cause safety hazards. The system proactively regulates water output from parallel cooling towers to maintain balance, preventing abnormal pressure conditions rather than reacting to them after they occur.
3Reliability
If real-time water pressure monitoring and automatic adjustment is implemented, then water output balance is improved, but system complexity increases
Solution Approach 1:
The patent implements feedback control using pressure sensors connected to a controller that automatically adjusts water outlet valves. This systematic approach improves water output balance reliability by continuously monitoring and adjusting pressure differences, while the standardized feedback mechanism keeps the added complexity manageable and proportional to the safety benefits achieved.
Data Source
AI summary
A water chiller, a water output adjustment method, and an air conditioning system. The water chiller includes: at least two cooling towers used in parallel, a water pressure balance adjustment circuit, and a main control hoard, where each of the at least two cooling towers includes a water pressure pre-adjustment circuit, the main control board is configured to control the water pressure pre-adjustment circuit to realize real-time water output adjustment of the each of the at least two cooling towers, and control the water pressure balance adjustment circuit to achieve a water output balance adjustment among-multiple cooling towers.