Vulcanizing Machine Induction Heating Nitrogen Gas
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Solution Overview
Problem
Conventional vulcanization molding methods face challenges in heating nitrogen gas to a high enough temperature efficiently, leading to increased running costs and larger agitation mechanism sizes, as well as insufficient heat transfer due to reduced nitrogen gas flow rates.
Innovation Solution
A vulcanizing machine with a diffusion mechanism that preferentially heats the nitrogen gas, using electromagnetic induction heating and a blade assembly with ferromagnetic materials to enhance heat exchange efficiency, and a heat exchanger system to utilize high-temperature components for preheating, allowing for rapid temperature increase of the nitrogen gas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If nitrogen gas flow rate is lowered during agitation, then the nitrogen gas can reach the heater, but the heat exchange ratio becomes insufficient
Solution Approach 1:
The nitrogen gas is preheated by the agitating mechanism before entering the heater, so that when it reaches the heater it can be heated more efficiently. This preliminary heating action resolves the contradiction by preparing the gas in advance rather than relying solely on high flow rate during heater contact.
2Productivity
If agitation ability is increased by an agitation mechanism, then the flow rate of nitrogen gas increases, but the running cost and size of the agitation mechanism increase
Solution Approach 1:
The agitating mechanism serves dual functions: it agitates the nitrogen gas to maintain flow, and simultaneously acts as a heating element through electromagnetic induction. This multi-functionality eliminates the need for a separate large-scale agitation mechanism, reducing both size and running costs while maintaining adequate flow rate.
3Area of stationary object
If the diameter of the heater is increased and fins are mounted, then the contact area between heater and nitrogen gas increases, but the heat capacity of the heater increases and sufficient effect cannot be obtained
Solution Approach 1:
The mechanical heating system (large heater with fins) is replaced with an electromagnetic induction heating system. The agitating mechanism itself becomes the heating element through electromagnetic induction, generating heat directly within the metal structure. This substitution achieves high heating efficiency without increasing physical size or heat capacity, as the heat is generated internally rather than transferred from an external large-scale heater.
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 enables efficient heating of nitrogen gas to vulcanizing temperatures in a shorter time, reducing vulcanization time and operating costs while maintaining high thermal efficiency.
Implementation Method 1
it is preferred that said agitation means is heated by electromagnetic induction
Implementation Method 2
using electromagnetic induction heating
Implementation Method 3
the heating pressure medium and the high temperature diffusion means are brought into contact with each other at high speed whereby an amount of heat is given from the diffusion means at high efficiency
Implementation Method 4
a heat exchanger system to utilize high-temperature components for preheating
Data Source
AI summary
The object of the present invention is to provide a vulcanization molding and its vulcanizing machine in which a heating pressure medium, which is nitrogen gas, is heated at high heat exchange ratio without an increase in the running cost and an increase in size. The vulcanizing machine includes a mold mechanism such as a lower side mold 5 and an upper side mold 25 and the like, which removably accommodate a green tire 4, an agitating mechanism 30, which agitates a heating pressure medium such as nitrogen gas or the like, which vulcanization mold the green tire 4 by heating the green tire 4 while pressing it against the mold mechanism, and an induction heating mechanism 41, which preferentially heats the agitating mechanism 30.