Heat pump drying system
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional heat pump drying systems suffer from low heat exchange efficiency, which results in energy inefficiency and environmental impact due to reliance on fossil fuels for heat generation.
Innovation Solution
A heat pump drying system with specific refrigerant and air flowing paths through multiple heat exchangers and conduits, utilizing a compressor and fans to enhance heat exchange efficiency between refrigerant and air in two or more drying compartments, with a flow regulator to manage refrigerant flow between heat exchangers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional heat pump drying assemblies utilize several heat exchangers for performing heat exchange between refrigerant and air, then the system can provide drying function, but the heat exchange efficiency remains low
Solution Approach 1:
The patent merges the functions of multiple heat exchangers into an integrated heat exchange system where refrigerant flows through a unified pathway interacting with air in drying compartments. This consolidation optimizes heat transfer by ensuring complete heat exchange between refrigerant and air, eliminating the inefficiencies of separate heat exchanger units while maintaining comprehensive drying capability.
2Temperature
If conventional drying technologies utilize coal, gas or other fossil fuel as energy source for generating heat, then the system can achieve high temperature drying, but the energy efficiency is low and environmental impact increases
Solution Approach 1:
The patent replaces conventional fossil fuel-based thermal systems with a refrigerant-based heat pump system. The refrigerant circulates through heat exchangers, absorbing and releasing heat through phase changes, thereby providing the necessary drying temperature without direct combustion. This substitution eliminates the need for coal or gas while significantly improving energy efficiency and reducing environmental impact.
3Adaptability or versatility
If conventional heat pump drying assemblies are designed with multiple separate heat exchangers, then the system can handle multiple drying compartments, but the overall energy efficiency decreases
Solution Approach 1:
The patent designs a universal heat exchange system where a single refrigerant circulation pathway serves multiple drying compartments simultaneously. The refrigerant flows through heat exchangers that interact with air from different compartments, allowing one integrated system to perform the functions of multiple separate units. This multi-functional design maintains adaptability for handling various drying requirements while optimizing energy efficiency through unified heat exchange operations.
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 achieves improved heat exchange efficiency, increasing the coefficient of performance (C.O.P) by more than 50% compared to conventional systems, reducing energy consumption and environmental impact while effectively drying various materials.
Implementation Method 1
pass through the first heat exchanger for releasing heat to the air passing therethrough
Implementation Method 2
pass through the second heat exchanger for absorbing heat from the air passing therethrough
Implementation Method 3
connected to the first air conduit and the second air conduit for allowing air flowing through the air conduit and the second air conduit to perform heat exchange
Data Source
AI summary
A heat pump drying system includes a first drying compartment, a second drying compartment, a compressor having a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first air conduit, a second air conduit, a first fan and a second fan. The first fan is arranged to draw air to flow in the first air conduit from the first drying compartment to sequentially pass through the third heat exchanger and the first heat exchanger and back to the first drying compartment. The second fan is arranged to draw air to flow in the second air conduit from the second drying compartment to sequentially pass through the second heat exchanger and the third heat exchanger and back to the second drying compartment. Refrigerant is arranged to sequentially flow through the compressor, the first heat exchanger, the second heat exchanger and back to the compressor.