Coolant Temperature Control for Energy-Saving Thermal Recycling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing thermal recycling plant systems face inefficiencies in energy consumption due to limitations in modeling environmental conditions and component specifications, leading to discrepancies between calculated and actual operations, which can result in increased energy consumption despite targeted control values.
Innovation Solution
A thermal recycling plant system with a controller that calculates an optimal coolant temperature through optimization and monitors operating states to adjust coolant temperatures and flow rates dynamically, ensuring minimal energy consumption while maintaining sufficient cooling capability by integrating a monitoring unit to detect abnormalities and adjust settings accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the preset coolant temperature is increased to reduce compressor power and energy consumption, then energy consumption in the cold/heat source apparatus is decreased, but the cooling capability and dehumidifying capability will decrease
Solution Approach 1:
The patent implements dynamic adjustment of the preset coolant temperature based on real-time monitoring of the coolant bypass flow rate. Instead of using a fixed temperature setting, the system continuously adapts the coolant temperature to match actual operating conditions, allowing the system to maintain cooling capability when needed while reducing energy consumption when possible
Solution Approach 2:
The system uses feedback from the coolant bypass flow rate monitoring to adjust the preset coolant temperature. When the bypass flow rate falls below a predetermined threshold, the system responds by adjusting the temperature setting, creating a closed-loop control system that balances energy efficiency with cooling performance
2Ease of operation
If the coolant bypass flow rate is used as the sole index for evaluating operating state, then control decisions are simplified, but the control may be inappropriate when load operation affects bypass flow rate, possibly increasing energy consumption
Solution Approach 1:
The system establishes a feedback mechanism where the coolant bypass flow rate is continuously monitored and used to trigger appropriate control responses. When the bypass flow rate falls below a predetermined threshold, the system activates standby cold/heat source apparatuses or adjusts operating parameters, ensuring that simplified monitoring does not lead to inappropriate control decisions
Solution Approach 2:
The patent introduces the coolant bypass flow rate as an intermediary indicator that reflects the actual cooling demand and system state. Rather than directly controlling based on complex multiple parameters, the system uses this intermediate flow rate measurement to infer system needs and trigger appropriate control actions, balancing simplicity with effectiveness
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 effectively reduces energy consumption by optimizing coolant temperatures and flow rates, preventing unnecessary activation of standby cold/heat source apparatuses and maintaining adequate cooling functionality, thereby promoting energy savings.
Implementation Method 1
a cooler (503) that cools the coolant
Data Source
AI summary
According to one embodiment, a thermal recycling plant system includes a cooler cools coolant recycling thermal from coolant circulating in a load apparatus and which consumes energy while operating and a controller controls the cooler. The controller includes a calculator and a monitor. The calculator calculates an optimal temperature optimal for the coolant by optimization calculation for minimizing energy consumption under given conditions. The monitor monitors an operating state of the load apparatus to determine whether an abnormality exists in the load apparatus. The monitor controls the cooler to cool the coolant to a temperature lower than the optimal temperature calculated, on determining that an abnormality exists in the load apparatus.