Multi-Layer Heating Plate With Serpentine Channels for Efficient Vulcanization
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Solution Overview
Problem
Existing vulcanization processes for rubber products, such as tires, require significant energy input for heat transfer during the vulcanization process, leading to inefficiencies and resource wastage.
Innovation Solution
A multi-layer heating plate with serpentine channels and microgrooves, combined with thermal conductors and insulating layers, enhances heat transfer efficiency by optimizing channel surface area and directionality, reducing the amount of heating agent and temperature needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If conventional heating plates with simple channels are used, then the device complexity is low, but the heat transfer efficiency is insufficient leading to high energy consumption
Solution Approach 1:
The patent transitions from a single-layer heating plate to a multi-layer structure with channels distributed across multiple levels. This dimensional expansion allows heat to be delivered from multiple directions simultaneously, dramatically increasing the effective heating surface area and improving thermal efficiency without simply enlarging a single channel.
Solution Approach 2:
The heating plate is segmented into multiple layers, each containing its own channel system. This segmentation allows independent optimization of each layer's channel configuration and enables parallel heat transfer paths, reducing the overall energy requirement while managing the complexity through modular design.
2Productivity
If the channel surface area is increased to improve heat transfer, then the vulcanization efficiency improves, but the channel structure becomes more complex
Solution Approach 1:
By adding vertical dimensionality with multiple layers, the patent achieves a significant increase in total channel surface area. The serpentine configurations within each layer further maximize the surface area utilization, enabling efficient heat transfer across the entire rubber product surface without requiring excessively large individual channels.
Solution Approach 2:
The serpentine (curved) channel portions replace straight linear paths, allowing the heating agent to follow extended curved trajectories within confined spaces. This curvature maximizes the contact surface area between the heating agent and channel walls, thereby improving heat transfer efficiency while maintaining compact channel layouts.
3Productivity
If higher temperatures are used to speed up vulcanization, then the productivity increases, but the energy consumption and risk of overheating increase
Solution Approach 1:
The multi-layer channel structure segments the heat delivery system into multiple independent pathways. This segmentation allows for more uniform heat distribution across the rubber product, eliminating hot spots and enabling effective vulcanization at lower, more energy-efficient temperatures while maintaining high productivity.
Solution Approach 2:
Different channel layers can be optimized for local heating requirements, with heating agent flow and temperature characteristics tailored to specific regions of the rubber product. This localized optimization ensures uniform vulcanization throughout the product without requiring excessive overall temperature increases.
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 solution achieves more efficient vulcanization with uniform heat distribution, resulting in improved rubber product durability and reduced energy consumption.
Implementation Method 1
the increased surface allows for improved heat transfer from the heating agent to the heating plate
Implementation Method 2
a thermal conductor layer, in particular made of copper or silver, is provided between the first layer and the second layer
Implementation Method 3
the second surface is covered at least partly by a heat insulating arrangement
Data Source
Figure 1
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AI summary
A heating plate for a vulcanization press, comprising a first channel extending within a first layer of the heating plate, wherein the first channel comprises one or more portions having a serpentine structure and a second channel extending within a second layer of the heating plate, wherein the second channel comprises one or more portions having a serpentine structure.