Electromagnetic Induction Heating for Sebacic Acid Production
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Solution Overview
Problem
Existing methods for preparing sebacic acid, such as alkali fusion cracking and microbial fermentation, face challenges like low energy efficiency, uneven temperature distribution, and complex purification processes. Conventional jacket heating in sebacic acid production also suffers from low energy utilization and temperature gradients.
Innovation Solution
A device and process utilizing electromagnetic induction heating coupled with dry constant-temperature alkaline hydrolysis, which includes an electromagnetic heating cylinder, a reaction kettle, and heat storage pellets for uniform and stable heating, addressing the issue of uneven temperature distribution and energy efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If electromagnetic induction heating is used to heat the reaction kettle directly, then heating efficiency is improved, but temperature distribution becomes uneven and temperature fluctuation increases
Solution Approach 1:
The patent introduces an intermediary heating system consisting of an electromagnetic heating cylinder filled with heat storage pellets. This intermediary medium absorbs electromagnetic energy and transfers heat uniformly to the reaction kettle through conduction, eliminating direct electromagnetic heating of the kettle while maintaining high heating efficiency and achieving uniform temperature distribution.
Solution Approach 2:
The patent changes the heating parameter from direct electromagnetic field heating to indirect thermal conduction heating. By transforming the heating mechanism and introducing heat storage pellets as a thermal buffer, the system achieves both high efficiency and uniform temperature distribution, resolving the contradiction between heating efficiency and temperature uniformity.
2Temperature
If conventional jacket heating is used, then temperature distribution is relatively uniform, but energy utilization efficiency is low
Solution Approach 1:
The patent replaces the conventional mechanical jacket heating system with an electromagnetic induction heating system. The electromagnetic heating cylinder generates heat through electromagnetic induction, which is then transferred to the reaction kettle. This substitution maintains uniform temperature distribution while dramatically improving energy utilization efficiency, as electromagnetic heating is more efficient than conventional thermal conduction through jacket walls.
3Ease of manufacture
If alkali fusion cracking method is used, then subsequent treatment is simpler, but energy consumption is high and temperature control is difficult
Solution Approach 1:
The patent changes the processing parameters by using electromagnetic induction heating with precise temperature control capabilities. This allows the alkali fusion cracking process to be conducted at optimized temperatures, reducing energy consumption while maintaining the simplicity of subsequent treatment. The efficient heating system enables better process control without complicating the manufacturing steps.
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 rapid, stable, and uniform heating, reducing energy consumption and increasing the yield of sebacic acid while maintaining accurate temperature control and safe operation.
Implementation Method 1
electromagnetic induction heating provides non-contact, high-efficiency and rapid heating
Implementation Method 2
Heat storage pellets fill space between the reaction kettle and the electromagnetic heating cylinder
Implementation Method 3
Thermal insulation cotton is wrapped around an outer side of the electromagnetic heating cylinder
Implementation Method 4
dry constant-temperature alkaline hydrolysis
Data Source
AI summary
The present disclosure relates to a device and process for preparing sebacic acid through electromagnetic induction heating coupled with dry constant-temperature alkaline hydrolysis. The device includes an electromagnetic heating cylinder and a reaction kettle arranged in the electromagnetic heating cylinder, heat storage pellets fill space between the reaction kettle and the electromagnetic heating cylinder, and the heat storage pellets adhere to an inner wall of the electromagnetic heating cylinder and an outer wall of the reaction kettle. The upper end of the reaction kettle is provided with a feeding port, a gas outlet and a temperature measuring port, the reaction kettle is also provided with a stirring device, a lower portion of the reaction kettle is provided with a discharging port, and the feeding port, the gas outlet, the temperature measuring port and the discharging port all extend out of the thermal insulation cotton.