Burner top brick of high-temperature smelting kiln
By introducing inclined support cylinders and annular refractory layers into the burner top bricks of high-temperature smelting kilns, the problem of insufficient strength of existing refractory bricks was solved, thereby improving the structural strength and stability of burners in high-temperature smelting equipment.
Patent Information
- Application Number
- CN202423017026.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing refractory bricks have low strength and cannot meet the refractory material requirements of large-scale high-temperature smelting equipment, especially under conditions where furnace temperature and molten metal flow need to be increased during the smelting process.
A burner top brick for a high-temperature smelting kiln was designed, comprising an inclined support cylinder and an annular refractory layer. The inclined support cylinder serves as the internal support structure of the brick body, and its inclined setting changes the direction of pressure to improve compressive strength. The annular refractory layer fills the gaps to prevent loosening.
It improves the structural strength of the burner top brick, prevents brick cracking, and enhances the stability and durability of the brick, making it suitable for the refractory material needs of large-scale high-temperature smelting equipment.
Smart Images
Figure CN223470501U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high temperature kiln equipment technical field especially relates to a high temperature smelting kiln burner top brick. BACKGROUND
[0002] With the development of modern smelting technology, the large-scale, high-efficiency and other technological innovation of high-temperature smelting equipment, the smelting condition is more and more demanding, and the performance and life of refractory material are higher and higher requirements. Now nonferrous smelting furnace, lime kiln, glass tank furnace and other smelting equipment also change to large-scale, multi-functional direction, so the requirement of related kiln top refractory material is higher and higher, the larger the capacity of kiln is, the more difficult smelting is, and the smelting process often needs auxiliary burner to improve the smelting temperature of furnace and strengthen the flow of metal liquid. At present, the refractory brick is generally used to realize the masonry of burner, but the existing refractory brick has the problem of low strength. CONTENT OF UTILITY MODEL
[0003] The utility model aims at providing a high temperature smelting kiln burner top brick for masonry high temperature smelting kiln burner to improve the structural strength of burner.
[0004] In order to realize the above-mentioned purpose, the utility model provides the following scheme:
[0005] The utility model discloses a high temperature smelting kiln burner top brick, which comprises:
[0006] The brick body has an inclined through hole;
[0007] The inclined support cylinder is located in the inclined through hole and is used for supporting the brick body from the inside; an annular gap is arranged between the inclined support cylinder and the through hole;
[0008] The annular refractory layer fills the annular gap.
[0009] Preferably, the inclined through hole has a first variable cross-section section, the inclined support cylinder has a second variable cross-section section, and the second variable cross-section section is located inside the first variable cross-section section; for the first variable cross-section section and the second variable cross-section section, the cross-sectional area gradually decreases from one end to the other end, and the direction of cross-sectional area reduction is the same.
[0010] Preferably, the inclined through hole also has a first constant diameter section and a second constant diameter section, and the first constant diameter section and the second constant diameter section are connected to the two ends of the first variable cross-section section respectively; the inclined support cylinder also has a third constant diameter section and a fourth constant diameter section, and the third constant diameter section and the fourth constant diameter section are connected to the two ends of the second variable cross-section section respectively.
[0011] Preferably, the inner surface of the inclined support cylinder is coated with a refractory coating.
[0012] Preferably, the wall thickness of the inclined support cylinder is 3-8mm.
[0013] Preferably, the thickness of the annular refractory layer is 1.5-2.5mm.
[0014] Preferably, the upper surface and the lower surface of the brick body are provided with mounting grooves.
[0015] Preferably, the mounting grooves are square grooves.
[0016] Preferably, the high-temperature smelting furnace burner top brick further comprises a horizontal support cylinder, the inner and outer sides of the horizontal support cylinder are in contact with the brick body, the two ends of the horizontal support cylinder are located at the two side surfaces of the brick body respectively, and the inclined support cylinder is located on the inner side of the horizontal support cylinder.
[0017] Preferably, the material of the inclined support cylinder is stainless steel.
[0018] Compared with the related art, the high-temperature smelting furnace burner top brick has the following technical effects:
[0019] The internal passage of the inclined support cylinder can be used as a flow passage of high-temperature gas in the furnace, so that the high-temperature smelting furnace burner top brick can be used at the position of the burner. The inclined support cylinder serves as an internal support structure of the brick body, so that the compressive strength of the brick body can be improved and the brick body can be prevented from being cracked. The annular refractory layer is used to fully fill the annular gap between the inclined support cylinder and the inclined through hole, so that the inclined support cylinder can be prevented from loosening. The inclined support cylinder is arranged in an inclined manner, so that part of the pressure along the up-down direction is converted into pressure along the axial direction of the inclined support cylinder, so that the radial stress of the inclined support cylinder is reduced, the shape of the inclined support cylinder is more stable, and the inclined support cylinder is less likely to be crushed.
[0020] In the preferred scheme of the utility model, the high-temperature smelting furnace burner top brick further comprises a horizontal support cylinder, and the horizontal support cylinder can also improve the strength of the brick body. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the related art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0022] Figure 1 It is a schematic view of the high-temperature smelting furnace burner top brick in the embodiments of the utility model;
[0023] Figure 2 It is a left view of the structure; Figure 1
[0024] Figure 3 To Figure 2 Figure 2 is a sectional view of the structure along the A-A direction.
[0025] Figure: 100 - high temperature smelting furnace burner top brick; 1 - brick body; 2 - inclined through hole; 3 - inclined support cylinder; 4 - annular refractory layer; 5 - mounting groove; 6 - horizontal support cylinder; 7 - second variable cross-section section; 8 - third constant diameter section; 9 - fourth constant diameter section. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] The utility model aims at providing a kind of high temperature smelting furnace burner top brick, for the masonry high temperature smelting furnace burner, to improve the structural strength of burner.
[0028] So that the above-mentioned purposes, features and advantages of the utility model can be more apparent and easy to understand, the utility model is further explained in detail below with reference to the drawings and specific embodiments.
[0029] With reference to Figures 1-3 , the embodiment provides a kind of high temperature smelting furnace burner top brick 100, including brick body 1, inclined support cylinder 3 and annular refractory layer 4.Bricks 1 have inclined through hole 2.Inclined support cylinder 3 is located in inclined through hole 2, for supporting brick body 1 from inside.Inclined support cylinder 3 and inclined through hole 2 are provided with annular gap.Annular refractory layer 4 fills annular gap.
[0030] The working principle of the high temperature smelting furnace burner top brick 100 of the embodiment is as follows:
[0031] The internal passage of inclined support cylinder 3 can be used as the flow passage of high-temperature gas in the furnace, so that the high temperature smelting furnace burner top brick 100 can be used for burner position.Inclined support cylinder 3 as the internal support structure of brick body 1 can improve the compressive strength of brick body 1, to avoid the brick body 1 being crushed.Annular refractory layer 4 is used to fill the annular gap between inclined support cylinder 3 and inclined through hole 2, to avoid the loosening of inclined support cylinder 3.Inclined support cylinder 3 is inclinedly arranged, so that part of the pressure along the up-down direction is converted into the pressure along the axial direction of inclined support cylinder 3, to reduce the radial stress of inclined support cylinder 3, so that the shape of inclined support cylinder 3 is more stable and is not easy to be crushed.
[0032] As a possible example, in the embodiment, the inclined through hole 2 has a first variable cross-section section, and the inclined support cylinder 3 has a second variable cross-section section 7, which is located inside the first variable cross-section section. For the first variable cross-section section and the second variable cross-section section 7, the cross-sectional area gradually decreases from one end to the other end, and the direction of the cross-sectional area decrease is the same. When the inclined support cylinder 3 slides in the direction of the cross-sectional area decrease, the second variable cross-section section 7 abuts against the annular refractory layer 4, thereby being able to limit the axial position of the inclined support cylinder 3.
[0033] In the embodiment, the inclined support cylinder 3 is a cylindrical shape, and those skilled in the art can also select other cross-sectional shapes of the inclined support cylinder 3 according to actual needs.
[0034] As a possible example, in the embodiment, the inclined through hole 2 also has a first constant diameter section and a second constant diameter section, which are respectively connected to the two ends of the first variable cross-section section. The inclined support cylinder 3 also has a third constant diameter section 8 and a fourth constant diameter section 9, which are respectively connected to the two ends of the second variable cross-section section 7. That is, the inclined through hole 2 and the inclined support cylinder 3 have both variable cross-section sections and constant cross-section sections.
[0035] As a possible example, in the embodiment, the inner surface of the inclined support cylinder 3 is coated with a refractory coating. The refractory coating is used to contact the high-temperature gas in the furnace to improve the heat resistance of the inclined support cylinder 3.
[0036] As a possible example, in the embodiment, the wall thickness of the inclined support cylinder 3 is 3-8 mm, and the thickness of the annular refractory layer 4 is 1.5-2.5 mm. Those skilled in the art can also select other thickness ranges according to actual needs.
[0037] As a possible example, in the embodiment, the upper surface and the lower surface of the brick body 1 are provided with mounting grooves 5. The mounting grooves 5 are used to cooperate with the protrusions of other structures on the side wall of the furnace body to realize the positioning and installation of the brick body 1.
[0038] As a possible example, in the embodiment, the mounting grooves 5 are square grooves. Those skilled in the art can also select other shapes of mounting grooves 5 such as circular grooves according to actual needs.
[0039] As a possible example, in the embodiment, the high-temperature smelting furnace burner top brick 100 also includes a horizontally arranged horizontal support cylinder 6, the inner and outer sides of the horizontal support cylinder 6 are in contact with the brick body 1, the two ends of the horizontal support cylinder 6 are located on the two side surfaces of the brick body 1, and the inclined support cylinder 3 is located inside the horizontal support cylinder 6. Similar to the inclined support cylinder 3, the horizontal support cylinder 6 can also improve the strength of the brick body 1. In the embodiment, the wall thickness of the horizontal support cylinder 6 is 3-8 mm.
[0040] As a possible example, in the embodiment, the material of the inclined supporting cylinder 3 and the horizontal supporting cylinder 6 is stainless steel. According to different actual needs, the person skilled in the art can also select other types of high-strength materials.
[0041] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, the specific implementation mode and application range will have changes. In conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A high-temperature smelting furnace burner crown brick, characterized by, The application relates to a brick body, which comprises: a brick body with an inclined through hole; an inclined supporting cylinder in the inclined through hole for internally supporting the brick body; an annular gap between the inclined supporting cylinder and the through hole; an annular refractory layer filling the annular gap.
2. A high-temperature smelting furnace burner tile according to claim 1, characterized in that: The inclined through hole has a first variable cross-section section, and the inclined supporting cylinder has a second variable cross-section section inside the first variable cross-section section; the cross-sectional area of the first variable cross-section section and the second variable cross-section section gradually decreases from one end to the other end, and the direction of the cross-sectional area decrease is the same.
3. The high-temperature smelting furnace burner crown brick of claim 2, wherein: The inclined through hole further has a first constant-diameter section and a second constant-diameter section, which are respectively connected to the two ends of the first variable cross-section section; the inclined supporting cylinder further has a third constant-diameter section and a fourth constant-diameter section, which are respectively connected to the two ends of the second variable cross-section section.
4. The high-temperature smelting furnace burner crown brick of claim 1, wherein: The inner surface of the inclined supporting cylinder is coated with a refractory coating.
5. The high-temperature smelting furnace burner crown brick of claim 1, wherein: The wall thickness of the inclined supporting cylinder is 3-8 mm.
6. The high-temperature smelting furnace burner crown brick of claim 1, wherein: The thickness of the annular refractory layer is 1.5-2.5 mm.
7. The high-temperature smelting furnace burner crown brick of claim 1, wherein: The upper surface and the lower surface of the brick body are provided with mounting grooves.
8. The high-temperature smelting furnace burner crown brick of claim 7, wherein: The mounting grooves are square grooves.
9. The high-temperature smelting furnace burner crown brick of claim 1, wherein: The application further comprises a horizontal supporting cylinder, which contacts the brick body on the inner and outer sides, and the two ends of the horizontal supporting cylinder are respectively located on the two side surfaces of the brick body, and the inclined supporting cylinder is located inside the horizontal supporting cylinder.
10. The high-temperature smelting furnace burner crown brick of claim 9, wherein: The material of the inclined supporting cylinder is stainless steel.