Multi-zone furnace with modular cassettes for temperature control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional laboratory furnaces have a single heating chamber that cannot be divided into multiple zones, limiting the ability to maintain different temperatures at various positions within the furnace, which complicates access and temperature control during operation.
Innovation Solution
A multi-zone furnace with a frame structure and insulating plates that separates the furnace into zones with different temperatures, using separately controllable heating and cooling cassettes and insertion elements with feed-throughs for thermal insulation and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a single heating chamber is used, then the furnace structure is simple, but the ability to maintain different temperatures at various positions is limited
Solution Approach 1:
The single heating chamber is divided into multiple independently controllable temperature zones by inserting partition elements with feed-throughs. Each zone can be heated to different temperatures using separate heating devices, enabling spatial temperature differentiation while maintaining a unified furnace structure.
Solution Approach 2:
The partition elements are designed to be movable rather than fixed, allowing the number and configuration of temperature zones to be dynamically adjusted based on experimental requirements. This provides flexibility in temperature control without permanently complicating the furnace structure.
2Temperature
If the furnace is divided into multiple zones with different temperatures, then temperature control capability is improved, but access to parts within the furnace becomes more difficult
Solution Approach 1:
The partition elements separating temperature zones are designed to be movable, allowing operators to easily remove or reposition them to access reactors or pipes within the furnace. This maintains temperature zone differentiation during operation while providing straightforward access when needed.
Solution Approach 2:
Feed-throughs are provided in the partition elements to serve as intermediaries for passing reactors and pipes between zones. These feed-throughs allow components to traverse thermal boundaries without requiring removal of partition elements, maintaining both temperature control and accessibility.
3Temperature
If partition elements are added to create temperature zones, then temperature control is improved, but thermal insulation between zones may be compromised
Solution Approach 1:
The feed-throughs in the partition elements are designed with thermal insulation features to minimize heat transfer between zones. These insulated feed-throughs act as intermediaries that allow physical passage of components while maintaining thermal separation, preventing energy loss between adjacent temperature zones.
4Measurement precision
If multiple heating and cooling devices are used for different zones, then temperature control precision is improved, but device complexity increases
Solution Approach 1:
The partition elements with feed-throughs serve multiple functions simultaneously: they physically separate temperature zones, provide thermal insulation, enable access to components, and support the heating/cooling devices. This multi-functionality reduces overall system complexity despite the presence of multiple temperature control devices.
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
Enables precise temperature control between zones, allowing for efficient heating and cooling of reactors and pipes, improving accessibility and operational simplicity while maintaining high mechanical stability and thermal insulation.
Implementation Method 1
the feed-throughs (41, 42, 43) are of great importance, since they provide for a connection between the individual zones and/or between the interior section and the outside section, and, at the same time, have a minimal effect on the thermal insulation
Implementation Method 2
Each furnace zone is provided with an own heating and/or cooling cassette (12, 12'), wherein said heating and cooling cassettes can be replaced from the outside
Implementation Method 3
Each furnace zone is provided with an own heating and/or cooling cassette (12, 12'), wherein said heating and cooling cassettes can be replaced from the outside
Data Source
AI summary
The present invention relates to a multi-zone furnace for heating and tempering reactors and pipes in devices. The multi-zone furnace according to the invention is modularly constructed, wherein it is e.g. possible to efficiently heat or cool the furnace or also individual zones of the furnace. Furthermore, exchangeable cassettes provide the advantage that the reactors and the components, which are connected to the reactors, are particularly well accessible, wherein reconverting work is facilitated.