Smelting device for white mullite preparation

By introducing circulation and air guiding components into the smelting unit for white mullite preparation, the problem of temperature difference caused by narrow gaps between bricks was solved, achieving uniform and rapid heating of mullite bricks and improving sintering quality and efficiency.

CN224470792UActive Publication Date: 2026-07-07GUIZHOU HUAXIN NEW MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUIZHOU HUAXIN NEW MATERIAL CO LTD
Filing Date
2025-08-22
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

During the stacking of white mullite bricks, the narrow gaps hinder airflow, resulting in a significant temperature difference between the inside and outside, which affects the sintering effect.

Method used

A smelting apparatus for preparing white mullite is used, comprising a sintering furnace, a circulation component, and an air guide component. The gas circulation and guidance are achieved through components such as conveying pipes, air guide plates, and electric push rods, ensuring that the airflow can uniformly enter the gaps between bricks for heating.

Benefits of technology

This method enables uniform and rapid heating of mullite bricks, improving sintering quality and heating efficiency while reducing heat loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a smelting device for white mullite preparation belongs to mullite technical field, including sintering furnace, is equipped with conveying roller in the sintering furnace, is equipped with the furnace door in sintering furnace one end, the circulation subassembly is installed in the sintering furnace inside, in the process of sintering, can drive the gas circulation flow of sintering furnace inside, can be oriented to the direction of gas flow through second air deflector simultaneously, thereby make gas can flow to mullite with different angle, and further can smoothly enter the clearance between mullite and can effectively heat the mullite in the inside of racking uniformly fast, can make the inside of racking fully contact with gas when other gas is passed in simultaneously, thereby further ensure the sintering quality of mullite.
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Description

Technical Field

[0001] This utility model belongs to the field of mullite technology, and in particular relates to a smelting apparatus for preparing white mullite. Background Technology

[0002] Mullite is a collective term for a series of minerals composed of aluminosilicates. White mullite is a high-temperature resistant ceramic material with mullite as the main crystalline phase. It is mainly white in appearance and has characteristics such as high melting point, good thermal stability, high mechanical strength and excellent chemical stability, which makes it widely used in ceramics, electronics, refractory materials and other fields.

[0003] In the process of smelting and sintering white mullite, the bricks made from mullite are often placed into the sintering furnace in a stacked manner. Although some gaps are left during the stacking process, the narrow gaps make it difficult for air to flow into the interior of the stacked mullite bricks. This can easily lead to slower heating of the interior bricks and a large temperature difference with the exterior, thus affecting the sintering effect. In order to solve the above problems, there is an urgent need for a smelting device for preparing white mullite. Utility Model Content

[0004] The purpose of this invention is to provide a smelting apparatus for preparing white mullite, in order to solve the problem that the narrow spacing between stacked mullite bricks facilitates air flow and leads to a large temperature difference between the inside and outside.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a smelting apparatus for preparing white mullite, comprising a sintering furnace, wherein a conveying roller is provided inside the sintering furnace and a furnace door is provided at one end of the sintering furnace; a circulation assembly installed inside the sintering furnace; and an air guiding assembly installed on both sides of the inner wall of the sintering furnace.

[0006] The circulation component includes a mounting base, a conveying pipe installed at one end of the mounting base, an air inlet pipe installed on the outer wall of the conveying pipe, an air collection hood installed at the other end of the conveying pipe, a support base installed inside the mounting base, a second rotating shaft rotatably installed inside the support base, a second air guide plate installed at one end of the second rotating shaft, a second connecting column installed at one end of the second air guide plate, a connecting block installed on the top surface of the mounting base, a connecting plate slidably installed inside the connecting block, and an electric push rod installed at one end of the connecting block.

[0007] As a further description of the above technical solution:

[0008] The gas collecting hood is located at the top of the sintering furnace and communicates with the interior of the sintering furnace, and a fan is installed inside the conveying pipe.

[0009] As a further description of the above technical solution:

[0010] The mounting base is installed inside the sintering furnace and located below the conveyor roller. Multiple second air guide plates are provided and evenly distributed within the mounting base.

[0011] As a further description of the above technical solution:

[0012] The second connecting column is slidably connected to the connecting plate through a groove opened in the connecting plate, and the telescopic end of the electric push rod passes through the connecting block and is fixedly connected to the connecting plate.

[0013] As a further description of the above technical solution:

[0014] The air guide assembly includes a mounting cover, inside which is provided a first air guide plate. The first air guide plate has a first rotating shaft installed at both ends, and the first rotating shaft is rotatably connected to the mounting cover through a groove opened in the inner wall of the mounting cover.

[0015] As a further description of the above technical solution:

[0016] The mounting cover has a sliding plate slidably mounted on it through a groove inside. A fixing block is mounted on one side of the sliding plate, and a fixing pin is slidably mounted inside the fixing block.

[0017] As a further description of the above technical solution:

[0018] The fixing pin engages with the mounting cover through a groove opened on the outer wall of the mounting cover, and a first connecting post is installed on one side of the sliding plate.

[0019] As a further description of the above technical solution:

[0020] The first connecting column is slidably connected to the first air guide plate through the slots opened at both ends of the first air guide plate, and one side of the mounting cover is fixedly connected to the inner wall of the sintering furnace.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0022] 1. In this utility model, during the sintering process, the gas inside the sintering furnace can be circulated. At the same time, the direction of gas flow can be guided by the second air guide plate, so that the gas can flow towards the mullite at different angles and smoothly enter the gaps between the mullite. This can effectively heat the mullite inside the stack evenly and quickly. At the same time, when other gases are introduced, the inside of the stack can be fully contacted with the gas, thereby further ensuring the sintering quality of the mullite.

[0023] 2. In this utility model, during the gas flow process inside the sintering furnace, the airflow flowing along the inner wall of the sintering furnace can be guided by the installation cover and the first air guide plate, so that the airflow can flow back to the mullite stack, thereby concentrating the heat in the middle, further ensuring the heating efficiency of the mullite, and reducing heat loss. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of a smelting apparatus for preparing white mullite.

[0025] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of a smelting apparatus for preparing white mullite.

[0026] Figure 3 This is an exploded three-dimensional structural diagram of a circulating component in a smelting apparatus for preparing white mullite.

[0027] Figure 4 A smelting apparatus for preparing a white mullite Figure 3 A magnified structural diagram of point A in the middle.

[0028] Figure 5 This is a three-dimensional exploded view of the air guide assembly in a smelting apparatus for preparing white mullite.

[0029] Legend:

[0030] 1. Sintering furnace; 2. Furnace door; 3. Air guide assembly; 31. Mounting cover; 32. Impeller; 33. Slide plate; 34. First connecting column; 35. Fixing block; 36. Fixing pin; 37. First rotating shaft; 38. First air guide plate; 4. Conveying roller; 5. Circulation assembly; 51. Gas collection hood; 52. Conveying pipe; 53. Air inlet pipe; 54. Mounting base; 55. Connecting block; 56. Connecting plate; 57. Electric push rod; 58. Second air guide plate; 59. Second connecting column; 510. Second rotating shaft; 511. Support base. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] In its specific implementation, such as Figures 1-5This utility model provides a technical solution: a smelting device for preparing white mullite, including a sintering furnace 1, a conveying roller 4 inside the sintering furnace 1, and a furnace door 2 at one end of the sintering furnace 1; a circulation component 5 installed inside the sintering furnace 1; and an air guide component 3 installed on both sides of the inner wall of the sintering furnace 1.

[0033] The circulation component 5 includes a mounting base 54, with a conveying pipe 52 installed at one end of the mounting base 54. An air inlet pipe 53 is installed on the outer wall of the conveying pipe 52, and an air collection hood 51 is installed at the other end of the conveying pipe 52. A support base 511 is installed inside the mounting base 54, and a second rotating shaft 510 is rotatably installed inside the support base 511. A second air guide plate 58 is installed at one end of the second rotating shaft 510, and a second connecting post 59 is installed at one end of the second air guide plate 58. A connecting block 55 is installed on the top surface of the mounting base 54, and a sliding component is installed inside the connecting block 55. There is a connecting plate 56, an electric push rod 57 is installed at one end of the connecting block 55, the gas collecting hood 51 is located at the top of the sintering furnace 1 and communicates with the inside of the sintering furnace 1, a fan is installed in the conveying pipe 52, the mounting base 54 is installed inside the sintering furnace 1 and is located below the conveying roller 4, there are multiple second air guide plates 58, which are evenly distributed in the mounting base 54, the second connecting column 59 is slidably connected to the connecting plate 56 through the slot opened in the connecting plate 56, and the telescopic end of the electric push rod 57 passes through the connecting block 55 and is fixedly connected to the connecting plate 56.

[0034] Specifically, during the sintering process, the airflow is driven by the fan installed in the conveying pipe 52, and the airflow is discharged from one side of the mounting base 54, thus entering the mullite stack between the second air guide plates 58 and passing through the second air guide plates 58 to guide the mullite stack above the conveying roller 4. At the same time, the electric push rod 57 can be activated to drive the connecting plate 56 to move, thereby driving the second connecting column 59 to move under the action of the connecting plate 56, and causing the second air guide plate 58 to swing around the second rotating shaft 510, thereby guiding the flow direction of the airflow, so that the airflow can blow towards the mullite from different angles, and ensuring that the airflow can smoothly enter the gaps between the mullite, thereby ensuring that the mullite inside the stack can be heated evenly. A certain amount of other gas can be introduced through the air inlet pipe 53 to adjust the atmosphere inside the sintering furnace 1.

[0035] like Figure 5As shown, the air guide assembly 3 includes a mounting cover 31, a first air guide plate 38 is provided inside the mounting cover 31, a first rotating shaft 37 is installed at both ends of the first air guide plate 38, the first rotating shaft 37 is rotatably connected to the mounting cover 31 through a groove opened in the inner wall of the mounting cover 31, a sliding plate 33 is slidably installed on the mounting cover 31 through a groove opened inside, a fixing block 35 is installed on one side of the sliding plate 33, a fixing pin 36 is slidably installed in the fixing block 35, the fixing pin 36 is engaged with the mounting cover 31 through a groove opened in the outer wall of the mounting cover 31, a first connecting column 34 is installed on one side of the sliding plate 33, the first connecting column 34 is slidably connected to the first air guide plate 38 through the grooves opened at both ends of the first air guide plate 38, and one side of the mounting cover 31 is fixedly connected to the inner wall of the sintering furnace 1.

[0036] Specifically, during the process of airflow driven by the circulation component 5, a portion of the airflow flows along the inner wall of the sintering furnace 1 and enters the mounting hood 31. Simultaneously, it is guided by the first air guide plate 38, causing the airflow to flow back towards the mullite. When the airflow flows towards the mounting hood 31, it drives the impeller 32 to rotate, thereby concentrating the airflow flowing towards the mounting hood 31 under the action of the impeller 32. Furthermore, by pulling out the fixing pin 36 and sliding the fixing block 35 and the sliding plate 33, the first air guide plate 38 is rotated around the first rotating shaft 37 via the first connecting column 34, thereby changing the orientation of the first air guide plate 38 and ensuring that the airflow can blow towards the mullite.

[0037] Working principle: During the sintering process, the airflow is driven by the fan installed in the conveying pipe 52. At the same time, the airflow is discharged from one side of the mounting base 54 and enters the mullite stack between the second air guide plates 58. The second air guide plates 58 guide the mullite stack above the conveying roller 4. Simultaneously, the electric push rod 57 can be activated to move the connecting plate 56. Under the action of the connecting plate 56, the second connecting column 59 is moved, causing the second air guide plates 58 to swing around the second rotating shaft 510. A certain amount of other gases can be introduced through the air inlet pipe 53 to regulate the sintering process. The atmosphere inside furnace 1, and during the airflow circulation process, a portion of the airflow will flow along the inner wall of sintering furnace 1 and enter the mounting cover 31. At the same time, it can be guided by the first air guide plate 38. When the airflow flows towards the mounting cover 31, it can drive the impeller 32 to rotate. Under the action of the impeller 32, the airflow flowing towards the mounting cover 31 will have a certain gathering effect. Furthermore, by pulling out the fixing pin 36, and then sliding the fixing block 35 and the slide plate 33, the first air guide plate 38 will be driven to rotate around the first rotating shaft 37 through the first connecting column 34.

[0038] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0039] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the currently considered best mode for carrying out the invention, or those features that are not relevant to implementing the invention) may be omitted.

[0040] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A smelting apparatus for preparing white mullite, characterized in that, include: A sintering furnace (1) is provided with a conveying roller (4) inside the sintering furnace (1) and a furnace door (2) is provided at one end of the sintering furnace (1). A circulation assembly (5) is installed inside the sintering furnace (1); Air guide assembly (3), the air guide assembly (3) is installed on both sides of the inner wall of sintering furnace (1); The circulation component (5) includes a mounting base (54), a conveying pipe (52) is installed at one end of the mounting base (54), an air inlet pipe (53) is installed on the outer wall of the conveying pipe (52), an air collection hood (51) is installed at the other end of the conveying pipe (52), a support base (511) is installed inside the mounting base (54), a second rotating shaft (510) is rotatably installed inside the support base (511), a second air guide plate (58) is installed at one end of the second rotating shaft (510), a second connecting column (59) is installed at one end of the second air guide plate (58), a connecting block (55) is installed on the top surface of the mounting base (54), a connecting plate (56) is slidably installed inside the connecting block (55), and an electric push rod (57) is installed at one end of the connecting block (55).

2. The smelting apparatus for preparing white mullite according to claim 1, characterized in that, The gas collecting hood (51) is located at the top of the sintering furnace (1) and communicates with the interior of the sintering furnace (1). A fan is installed inside the conveying pipe (52).

3. The smelting apparatus for preparing white mullite according to claim 2, characterized in that, The mounting base (54) is installed inside the sintering furnace (1) and located below the conveying roller (4). Multiple second air guide plates (58) are provided and are evenly distributed in the mounting base (54).

4. The smelting apparatus for preparing white mullite according to claim 1, characterized in that, The second connecting column (59) is slidably connected to the connecting plate (56) through a groove opened in the connecting plate (56), and the telescopic end of the electric push rod (57) passes through the connecting block (55) and is fixedly connected to the connecting plate (56).

5. The smelting apparatus for preparing white mullite according to claim 1, characterized in that, The air guide assembly (3) includes a mounting cover (31), and a first air guide plate (38) is provided inside the mounting cover (31). A first rotating shaft (37) is installed at both ends of the first air guide plate (38). The first rotating shaft (37) is rotatably connected to the mounting cover (31) through a groove opened in the inner wall of the mounting cover (31).

6. The smelting apparatus for preparing white mullite according to claim 5, characterized in that, The mounting cover (31) has a sliding plate (33) slidably mounted on it through a groove inside. A fixing block (35) is mounted on one side of the sliding plate (33), and a fixing pin (36) is slidably mounted inside the fixing block (35).

7. The smelting apparatus for preparing white mullite according to claim 6, characterized in that, The fixing pin (36) is engaged with the mounting cover (31) through a groove opened on the outer wall of the mounting cover (31), and a first connecting post (34) is installed on one side of the sliding plate (33).

8. The smelting apparatus for preparing white mullite according to claim 7, characterized in that, The first connecting column (34) is slidably connected to the first air guide plate (38) through the slots opened at both ends of the first air guide plate (38), and one side of the mounting cover (31) is fixedly connected to the inner wall of the sintering furnace (1).