Ceramic fire-resistant load bearing plate with sandwich hierarchical structure
By designing ceramic refractory bearing plates with sandwich hierarchy structures, including rectangular frames, sandwich plate layers, silicon carbide layer and oxide layer, the problems of uneven heat conduction and deformation of the burned bearing plates at high temperatures are solved, and more uniform heat distribution and more stable structural performance are achieved.
Patent Information
- Application Number
- CN202421739773.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The existing sandwich ceramic refractory burning plates have uneven heat conduction during high temperature treatment, resulting in too high or too low temperatures in some areas, affecting the process effect and product quality. At the same time, traditional single-layer ceramic burning plates are prone to deform, cracking or instability at high temperatures.
A ceramic refractory bearing plate with a sandwich hierarchy structure is designed, including a burning plate support frame and a sintered and molded burning plate body. The burning plate body consists of a rectangular frame, a sandwich plate layer, an upper and lower silicon carbide layer and an oxide layer, and is stable stacking and ventilation through the design of trapezoidal support feet and assembly grooves.
By designing structures such as silicon carbide and oxide layers, the heat conduction efficiency and thermal distribution uniformity are improved, the structural strength and stability of the burned-bearing plate are enhanced, the problems of uneven heat conduction and deformation are solved, and the heat conduction efficiency is improved through the design of ventilation grooves.
Smart Images
Figure CN222799644U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a ceramic refractory supporting plate with a sandwich layered structure. Background Art
[0002] The sandwich ceramic refractory setter belongs to the technical field of ceramic kiln combustion chamber support components. The sandwich ceramic refractory setter can make the fired products heated evenly, effectively reduce energy consumption and speed up the firing speed, increase production, and make the products fired in the same kiln have no obvious color difference and small deformation, thereby improving product quality.
[0003] However, the existing sandwich ceramic refractory setter has uneven heat conduction during high-temperature treatment, which can cause the temperature in some areas to be too high or too low, affecting the process effect and product quality. In addition, under high-temperature process conditions, the traditional single-layer ceramic setter is prone to deformation, cracking or instability. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a ceramic refractory setter with a sandwich hierarchical structure.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] A ceramic refractory support plate with a sandwich hierarchical structure comprises a support plate support frame, a support plate body arranged inside the support plate support frame and sintered with the support plate support frame, the support plate body comprising a rectangular frame abutted against and sintered to the support plate support frame, a sandwich plate layer integrally formed in the center of the rectangular frame and capable of dividing the rectangular frame into upper and lower cavities, an upper silicon carbide layer located in an upper cavity formed by the sandwich plate layer and the rectangular frame and having wave point protrusions on the surface at the same height, an upper oxide layer formed on the surface of the upper silicon carbide layer, a lower silicon carbide layer located in a lower cavity formed by the sandwich plate layer and the rectangular frame and having wave point protrusions on the surface at the same height, and a lower oxide layer formed on the surface of the lower silicon carbide layer.
[0007] Preferably, the rectangular frame is a mullite frame, and the sandwich panel layer is a mullite panel layer.
[0008] Preferably, both the upper oxide layer and the lower oxide layer are zirconium oxide coatings.
[0009] Preferably, the four corners of the support frame of the firing plate and the central part of each frame are integrally formed with trapezoidal support feet, and the top of the support frame of the firing plate is provided with assembly grooves corresponding to the embedded trapezoidal support feet.
[0010] Furthermore, two sides of the assembly groove are arranged obliquely.
[0011] Furthermore, a ventilation groove is formed between two adjacent trapezoidal supporting feet below the support frame of the support plate.
[0012] The beneficial effects of the utility model are:
[0013] 1. The support plate in the utility model can improve the heat conduction efficiency and heat distribution uniformity by designing structures such as silicon carbide and oxide layer, thus solving the problem of uneven heat conduction;
[0014] 2. The sandwich panel layer and support frame design in the utility model provide better structural strength and stability, so that the setter can maintain a stable shape and performance in a high temperature environment;
[0015] 3. The utility model adopts the design of trapezoidal support feet and assembly grooves, so that the support plates can be stacked stably, solving the problem of difficult stacking. The ventilation groove design ensures ventilation between the stacked support plates, helps to evenly distribute the gas, and further improves the heat conduction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a structural schematic diagram of a ceramic refractory setter plate with a sandwich hierarchical structure according to the utility model;
[0017] Figure 2 for Figure 1 Schematic diagram of a partial cross section;
[0018] Figure 3 for Figure 1 A cross-sectional view of the center support plate body;
[0019] Figure 4 Schematic diagram of two stacked support plates. DETAILED DESCRIPTION
[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
[0021] Example
[0022] like Figure 1-4As shown, a ceramic refractory support plate with a sandwich hierarchical structure includes a support plate support frame 1, a support plate body 2 arranged inside the support plate support frame 1 and sintered with the support plate support frame 1, the support plate body 2 includes a rectangular frame 21 abutted against the support plate support frame 1 and sintered and fixed, a sandwich plate layer 22 integrally formed in the center of the rectangular frame 21 and capable of dividing the rectangular frame 21 into upper and lower cavities, an upper silicon carbide layer 23 located at the upper cavity formed by the sandwich plate layer 22 and the rectangular frame 21 and having wave point protrusions at the same height on the surface, an upper oxide layer 24 formed on the surface of the upper silicon carbide layer 23, a lower silicon carbide layer 25 located at the lower cavity formed by the sandwich plate layer 22 and the rectangular frame 21 and having wave point protrusions at the same height on the surface, and a lower oxide layer 26 formed on the surface of the lower silicon carbide layer 25.
[0023] In this embodiment, the rectangular frame 21 is a mullite frame, and the sandwich plate layer 22 is a mullite plate layer, which can be used as the main force-bearing structure of the entire setter body 2.
[0024] In this embodiment, both the upper oxide layer 24 and the lower oxide layer 26 are zirconium oxide coatings.
[0025] The four corners of the firing plate support frame 1 and the center of each frame are integrally formed with trapezoidal support feet 11 downwardly, and the top of the firing plate support frame 1 is provided with assembly grooves 12 corresponding to the embedded trapezoidal support feet 11. Specifically, when two firing plates need to be stacked, the trapezoidal support feet can be embedded in the corresponding assembly grooves, so that the two firing plates can be stably stacked.
[0026] It should be further explained that the two sides of the assembly groove 12 are inclined, and specifically, can cooperate with the trapezoidal supporting feet 11 for stable assembly.
[0027] It should be further explained that a ventilation groove 13 is formed between two adjacent trapezoidal support legs 11 below the support frame 1 of the support plate. Specifically, when the two support plates are stably stacked, the ventilation groove 13 is utilized to ventilate the stacked support plates, thereby evenly distributing the gas to improve the heat conduction efficiency.
[0028] The above-mentioned embodiments of the utility model are not intended to limit the protection scope of the utility model, and the implementation methods of the utility model are not limited to these. All other various forms of modifications, replacements or changes made to the above-mentioned structure of the utility model based on the above-mentioned contents of the utility model, in accordance with the common technical knowledge and customary means in the field, without departing from the above-mentioned basic technical ideas of the utility model, should fall within the protection scope of the utility model.
Claims
1. A ceramic refractory setter with a sandwich structure, comprising a setter support frame, a setter body arranged inside the setter support frame and sintered with the setter support frame, characterized in that: The supporting plate body includes a rectangular frame which is abutted against and sintered to the supporting frame of the supporting plate, a sandwich plate layer which is integrally formed in the center of the rectangular frame and can divide the rectangular frame into upper and lower cavities, an upper silicon carbide layer which is located in the upper cavity formed by the sandwich plate layer and the rectangular frame and has wave point protrusions at the same height on the surface, an upper oxide layer which is formed on the surface of the upper silicon carbide layer, a lower silicon carbide layer which is located in the lower cavity formed by the sandwich plate layer and the rectangular frame and has wave point protrusions at the same height on the surface, and a lower oxide layer which is formed on the surface of the lower silicon carbide layer.
2. The ceramic refractory setter with sandwich structure according to claim 1, characterized in that: The rectangular frame is a mullite frame, and the sandwich panel layer is a mullite panel layer.
3. The ceramic refractory setter with sandwich structure according to claim 1, characterized in that: The upper oxide layer and the lower oxide layer are both zirconium oxide coatings.
4. The ceramic refractory setter with sandwich structure according to claim 1, characterized in that: The four corners of the support frame of the firing plate and the central part of each frame are integrally formed with trapezoidal support feet downwards, and the upper part of the support frame of the firing plate is provided with assembly grooves corresponding to the embedded trapezoidal support feet.
5. The ceramic refractory setter with sandwich structure according to claim 4, characterized in that: The two sides of the assembly groove are arranged obliquely.
6. The ceramic refractory setter with sandwich structure according to claim 4, characterized in that: A ventilation slot is formed between two adjacent trapezoidal supporting feet below the support frame of the setting plate.