A slotted grid structure with significantly improved lifespan

Abstract

This utility model discloses a grid structure for troughs with significantly improved lifespan, relating to the technical field of chute components. It solves the problem of severe wear caused by continuous impact of sintered ore on the grid surface, increasing labor intensity and potentially leading to serious equipment accidents such as belt tearing. The structure includes a grid body comprising several spaced-apart partition assemblies. The partition assemblies are vertically arranged in the width direction, and wear-resistant sleeve assemblies are detachably connected to the upper side of each partition assembly. The wear-resistant sleeve assemblies have an inverted U-shaped cross-section and are fitted onto the upper side of the partition assemblies, with gaps between adjacent wear-resistant sleeve assemblies. This improves the wear resistance of the grid, reduces wear caused by continuous impact of sintered ore, and extends the grid's lifespan. Furthermore, the inverted U-shaped cross-section of the wear-resistant sleeve assemblies, fitted onto the upper side of the partition assemblies, facilitates installation and removal, allowing for regular replacement by maintenance personnel and reducing labor intensity.

Description

Technical Field

[0001] This utility model relates to the technical field of material feeding chute components, and in particular to a grid structure on the chute that significantly improves its lifespan. Background Technology

[0002] The blast furnace feeding system is an automated equipment system for conveying iron ore, coke, and auxiliary raw materials to the blast furnace in iron and steel smelting. Its core functions are raw material storage, screening and metering, and continuous conveying. This system relies on a belt conveyor network to achieve raw material pretreatment and transportation; the grid mesh at the unloading chute of the belt conveyor on the blast furnace trough is a seemingly simple but very important component. In daily use, it has the following problems: First, the sintered ore (especially high-hardness ore) continuously impacts the surface of the grid, causing severe wear. Second, the grid is usually located at a high altitude, under the head of the conveyor belt, or inside the chute, making it inconvenient to disassemble and reassemble after wear. Furthermore, there are many grids on site (more than 3,000 meters), and each grid has a lifespan of 3 months. Maintenance personnel need to replace them one by one, which greatly increases the labor intensity of the personnel. Once the grid wears down and falls onto the conveyor belt below, scratching the belt, it can easily cause a major equipment accident such as belt tearing. Utility Model Content

[0003] The purpose of this invention is to provide a grid structure for troughs that significantly improves service life. It enhances the wear resistance of the grid positions, reduces wear caused by continuous impact from sintered ore, increases the cycle life of the grid, reduces the frequency of replacement by maintenance personnel, and improves the safety of the device.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A grid structure for significantly improving the service life of a slot includes a grid body, the grid body including a plurality of spaced partition assemblies, the partition assemblies being vertically arranged in the width direction, and wear-resistant sleeve assemblies being detachably connected to the upper side of the partition assemblies. The wear-resistant sleeve assemblies have an inverted U-shaped cross-section, are sleeved on the upper side of the partition assemblies, and there is a gap between adjacent wear-resistant sleeve assemblies.

[0005] By adopting the above technical solution, the original grid structure is modified and replaced with spaced partition components, and wear-resistant sleeve components are connected to the partition components. This improves the wear resistance of the grid, reduces wear caused by continuous impact from sintered ore, and increases the lifespan of the grid. In addition, the wear-resistant sleeve components have an inverted U-shaped cross-section and are fitted on the upper side of the partition components, which facilitates installation and removal, makes it easy for maintenance personnel to replace them regularly, and reduces labor intensity.

[0006] Furthermore, the wear-resistant sleeve assembly includes a ceramic component.

[0007] By adopting the above technical solution, the original cast steel parts wore out in just 3 months. After being replaced with ceramic components, the ceramic surface only had a wear of 0.5mm after 6 months of use, which greatly improved the lifespan of the grid and reduced the labor intensity of maintenance personnel.

[0008] Furthermore, the partition assembly includes flat steel.

[0009] By adopting the above technical solution and using flat steel as a partition, the mesh structure is avoided from being inconvenient to disassemble and assemble the wear-resistant sleeve components. Combined with ceramic components, the effect of reducing wear and facilitating disassembly and assembly is achieved.

[0010] Furthermore, the main body of the grid includes two symmetrically arranged angle iron components, each angle iron component having a vertical side and a horizontal side, with the horizontal side located on the outer side and the vertical side located on the inner side, and a partition assembly fixed between the vertical sides of the two angle iron components.

[0011] By adopting the above technical solution, the angle iron assembly is easy to connect to flat steel, easy to install in the chute position, and easy to process and manufacture.

[0012] Furthermore, the upper end of the wear-resistant sleeve assembly is not higher than the upper end of the angle iron assembly.

[0013] By adopting the above technical solution, it is easier for sintered ore to pass through, reduces the impact on the wear-resistant sleeve components, and improves their service life.

[0014] Furthermore, the ceramic component comprises several individual ceramic blocks.

[0015] By adopting the above technical solution, manufacturing is facilitated while improving the overall wear resistance. It also makes it easier to replace damaged ceramic blocks as needed, reducing replacement costs and greatly reducing on-site maintenance spare parts costs.

[0016] Furthermore, the ceramic block monomer includes an outer vulcanized rubber layer.

[0017] By adopting the above technical solution, the outer vulcanized rubber layer improves the buffering effect and reduces the impact of sintered ore.

[0018] Furthermore, the ceramic block monomer includes an inner vulcanized rubber layer.

[0019] By adopting the above technical solution, it is convenient to connect the ceramic block unit and the partition assembly, facilitate disassembly and assembly, reduce collisions caused by the gap between the two, and improve the service life of the ceramic block unit.

[0020] Furthermore, partition assemblies are connected between the two ends of the angle iron assembly to form a rectangular frame, and the partition assemblies are equidistant from each other.

[0021] By adopting the above technical solution, the angle iron assembly and the partition assembly form the main body of the grid, which facilitates processing and installation of individual ceramic blocks on it.

[0022] In summary, this utility model has the following beneficial effects: The original grid structure was modified by replacing it with spaced partition components, and wear-resistant sleeve components were connected to the partition components. This improved the wear resistance of the grid, allowing it to withstand the impact of sintered ore continuously, reducing wear caused by the continuous impact of sintered ore, and extending the lifespan of the grid. Since there are ceramic blocks above the flat steel to withstand the impact, maintenance only requires replacing the U-shaped ceramic blocks. The wear-resistant sleeve components have an inverted U-shaped cross-section and are fitted onto the upper side of the partition components for easy installation and removal. The original cast steel components wore out in just 3 months. After being replaced with ceramic components, the ceramic surface showed only 0.5mm of wear after 6 months of use, which greatly improved the lifespan of the grid and reduced the labor intensity of maintenance personnel. The vulcanized rubber layer on the outside of the ceramic block improves the cushioning effect and reduces the impact of sintered ore. The ceramic block is easy to manufacture and improves the overall wear resistance. It is also easy to replace damaged ceramic block units as needed, reducing the cost of on-site maintenance spare parts and lowering the replacement cost. Attached Figure Description

[0023] To more clearly illustrate the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of a slotted grid structure that significantly improves the lifespan of the present invention. Figure 2 This is a cross-sectional schematic diagram of the partition assembly in a slotted grid structure that significantly improves lifespan, according to this utility model. Figure 3 This is a schematic diagram of the end face structure of a slotted grid structure that significantly improves the lifespan of the present invention.

[0025] In the diagram, 1 is the partition assembly; 2 is the wear-resistant sleeve assembly; 3 is the angle iron assembly; 31 is the vertical edge; and 32 is the horizontal edge. Detailed Implementation

[0026] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. These embodiments do not constitute a limitation on this utility model. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this application.

[0027] A slotted grid structure that significantly improves lifespan, such as Figure 1 and Figure 2 As shown, the grid includes a main body and several spaced partition components 1. The partition components 1 are vertically arranged in the width direction. Wear-resistant sleeve components 2 are detachably connected to the upper side of the partition components 1. The original grid structure is modified and replaced with spaced partition components 1. Wear-resistant sleeve components 2 are connected to the partition components 1, which improves the wear resistance of the grid and reduces the wear caused by continuous impact from sintered ore.

[0028] like Figure 2 As shown, the wear-resistant sleeve assembly 2 has an inverted U-shaped cross-section and is fitted onto the upper side of the partition assembly 1. There is a gap between adjacent wear-resistant sleeve assemblies 2, which facilitates installation and removal, and makes it convenient for maintenance personnel to replace and use them regularly, thus reducing labor intensity. In this embodiment, the wear-resistant sleeve assembly 2 includes a ceramic component. Replacing it with a ceramic component greatly improves the lifespan of the grid and reduces the labor intensity of maintenance personnel. The partition assembly 1 includes flat steel. The grid body includes two symmetrically arranged angle iron assemblies 3. The angle iron assembly 3 includes a vertical side 31 and a horizontal side 32. The horizontal side 32 is located on the outer side and the vertical side 31 is located on the inner side. The partition assembly 1 is welded and fixed between the vertical sides 31 of the two angle iron assemblies 3. The two ends of the angle iron assembly 3 are respectively connected to the partition assembly 1 to form a rectangular frame. The partition assemblies 1 are equidistant from each other. The angle iron assembly 3 is convenient to connect to the flat steel and is also convenient to install at the chute position. The angle iron assembly 3 and the partition assembly 1 constitute the grid body, which is convenient to process and also convenient to install the ceramic component on it.

[0029] like Figure 3 As shown, the ceramic component includes several ceramic block units. The upper end of the ceramic component is not higher than the upper end of the angle iron component 3. The ceramic block units are easy to manufacture, while improving the overall wear resistance. They are also easy to replace damaged ceramic block units as needed, thus reducing replacement costs. The ceramic block unit includes an outer vulcanized rubber layer, which improves the buffering effect and reduces the impact of sintered ore; in some embodiments, the ceramic block unit also includes an inner vulcanized rubber layer, which facilitates the connection between the ceramic block unit and the partition assembly 1 and makes disassembly and assembly convenient.

[0030] This embodiment involves a complete overhaul of the grid. The original integral cast steel component was replaced with a welded form using angle iron and flat steel. The ceramic blocks were vulcanized with rubber into U-shapes. The grid was then installed and fixed on the channel, with the U-shaped ceramic blocks installed on the flat steel of the grid. The original cast steel component wore out after only 3 months. After being replaced with ceramic components, the ceramic surface showed only 0.5mm of wear after 6 months of use. In some embodiments, it is set that an inspection is required once a month after installation, and the projected service life is 3 years. The price of a new cast steel grid is around 9,000 yuan, while this structure only costs 2,100 yuan, extending its lifespan by 3 times and greatly reducing on-site maintenance and spare parts costs.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Those skilled in the art can make various modifications or equivalent substitutions to the present utility model within its substance and protection scope, and such modifications or equivalent substitutions should also be considered to fall within the protection scope of the present utility model's technical solution.

Claims

1. A life significantly enhanced channel on lattice grid structure, characterized by: The device includes a grid body, which includes several spaced partition assemblies. The partition assemblies are vertically arranged in the width direction. Wear-resistant sleeve assemblies are detachably connected to the upper side of the partition assemblies. The wear-resistant sleeve assemblies have an inverted U-shaped cross-section and are fitted onto the upper side of the partition assemblies. There is a gap between adjacent wear-resistant sleeve assemblies.

2. A life significantly enhanced slatted grid net structure according to claim 1, characterized in that: The wear-resistant sleeve assembly includes a ceramic component.

3. A significantly increased life span of the channel on the lattice grid structure according to claim 1 or 2, characterized in that: The partition assembly includes flat steel.

4. The slotted grid structure of claim 1, wherein: The main body of the grid includes two symmetrically arranged angle iron components. Each angle iron component includes a vertical side and a horizontal side, with the horizontal side located on the outer side and the vertical side located on the inner side. A partition assembly is fixed between the vertical sides of the two angle iron components.

5. A life significantly enhanced slatted grid net structure according to claim 4, characterized in that: The upper end of the wear-resistant sleeve assembly is not higher than the upper end of the angle iron assembly.

6. A life significantly enhanced slatted grid net structure according to claim 2, characterized in that: The ceramic component comprises several individual ceramic blocks.

7. A life significantly enhanced slatted grid net structure according to claim 6, characterized in that: The ceramic block unit includes an outer vulcanized rubber layer.

8. A significantly increased life span of a trellis grid structure on a tank according to claim 6 or 7, characterized in that: The ceramic block monomer includes an inner vulcanized rubber layer.

9. A life significantly enhanced slatted grid net structure according to claim 4, characterized in that: The angle iron assembly is connected to the partition assembly at both ends to form a rectangular frame, and the partition assemblies are equidistant from each other.

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