Segmented Kiln Slide Plate with Insulation for Thermal Deformation
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Solution Overview
Problem
Furnace slides made of metallic materials deform due to temperature gradients between the furnace interior and exterior, leading to a loss of sealing integrity and reduced operational lifespan, necessitating frequent replacements.
Innovation Solution
A furnace slide design featuring multiple laterally spaced metal slide plate segments with movable connecting parts and thermal insulation bodies, allowing for compensation of deformations and maintaining thermal insulation without fixed attachment, thus preventing long-term deformation and ensuring reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If metal plates are used for the furnace slide to enable drive operation, then the slide can be moved several times per minute, but the metal plates deform due to temperature gradients leading to loss of sealing integrity
Solution Approach 1:
The furnace slide is divided into multiple metal plate segments that can move independently relative to each other. Each segment is connected through movable connecting parts, allowing individual segments to compensate for thermal deformation while maintaining overall slide functionality and sealing integrity.
Solution Approach 2:
The connecting parts between metal plate segments are designed to be movable rather than fixed, enabling the segments to dynamically adjust their positions to accommodate thermal expansion and contraction. This dynamic connection system maintains sealing integrity despite temperature-induced deformation.
2Stability of the object's composition
If metal plates are used for the furnace slide to provide structural stability, then the slide can be operated with a drive device, but the plates warp with temperature differences causing deformation
Solution Approach 1:
The slide plate is segmented into multiple smaller segments that can independently respond to thermal stresses. This segmentation reduces the overall deformation magnitude compared to a single large plate, as each small segment experiences less thermal warping while collectively maintaining the slide's structural integrity.
Solution Approach 2:
The connecting parts are designed with specific geometric parameters that allow for controlled movement and compensation of thermal deformation. The movable connections enable the segments to adjust their relative positions in response to temperature changes, maintaining the slide's functional shape and stability.
3Device complexity
If a single large metal plate is used for the furnace slide, then the structure is simple and stable, but the plate deforms over time due to repeated temperature changes
Solution Approach 1:
The slide plate is divided into multiple segments connected by movable connecting parts. This segmented structure allows each segment to independently compensate for thermal deformation, significantly extending the service life of the furnace slide by preventing the cumulative deformation that would occur in a single large plate design.
Solution Approach 2:
The movable connecting parts enable the slide segments to dynamically adjust to repeated temperature cycles. This dynamic capability allows the slide to withstand long-term thermal cycling without degradation of sealing integrity, thereby extending operational service life despite the increased structural complexity.
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 design effectively compensates for thermal deformations, maintaining a tight seal and extending the operational lifespan of the furnace slide, enabling continuous and precise movement without damage, even at high cycle rates.
Implementation Method 1
at least one thermal insulation body (60) is arranged between the at least two rows of slide plate segments (40...40n)
Implementation Method 2
the slide plate segments of a row are laterally spaced from one another... allowing for compensation of deformations
Data Source
Figure 1
Figure 2~4
Figure 5
AI summary
The kiln dumper (10) has a drive linkage (20) for lifting and lowering the kiln dumper, where a drive linkage is firmly connected with a horizontal supporting structure (30), on which a downward aligned slide plate is fastened. The multiple downward aligned slide plate segments (40 to 40n) made of metal are fastened on the supporting structure in two horizontal rows. The two rows of slide plate segments run side by side. A heat insulating body is arranged between the two rows slide plate segments. An independent claim is included for a furnace plant for thermal treatment of work pieces.