A material breaking device

Abstract

This application discloses a material crushing device for crushing agglomerated materials. The device includes a rotary kiln, a grid assembly, and a crushing structure. The grid assembly comprises a grid and grid holes. The grid is arranged around the end shaft of the rotary kiln, and the grid holes are evenly distributed on the grid. One end of the crushing structure stands upright at the intersection of the grid holes. The space formed by the grid is used to accommodate agglomerated materials. The diameter of the grid holes is smaller than the outer diameter of the agglomerated materials but larger than the outer diameter of the materials to be crushed. This device avoids material blockage caused by insufficient end-of-line material conveying and the impact of concentrated material falling onto subsequent receiving and conveying equipment. It reduces wear, deformation, and breakage of the equipment, lowers maintenance costs, extends the service life of the equipment, and improves work efficiency.

Description

Technical Field

[0001] This application relates to the field of material handling, and more particularly to a material crushing device. Background Technology

[0002] In numerous industrial production sectors, rotary kilns, as a key drying equipment, are widely used in the drying processes of various materials. For example, in industries such as chemicals, building materials, and metallurgy, rotary kilns are often used to dry materials to remove moisture and meet the requirements of subsequent production processes. In actual production, the granulation conditions have a significant impact on the state of the material after rotary kiln drying. When the granulation conditions are not ideal, the material is prone to agglomeration after rotary drying. The presence of these agglomerated materials brings many serious problems to subsequent production processes.

[0003] In existing technologies, agglomerated materials, due to their irregular shape and large volume, are prone to damaging subsequent conveying equipment during the conveying process. Under the long-term impact and friction of agglomerated materials, key components of the conveying equipment, such as conveyor belts and conveyor rollers, are prone to wear, deformation, and even breakage. This not only increases the maintenance cost of the equipment but also shortens its service life and affects the continuous and stable operation of the entire production system. Utility Model Content

[0004] To address the aforementioned technical problems, this application discloses a material crushing device. The technical solution of this application is described below:

[0005] This application provides a material crushing device, comprising:

[0006] The rotary kiln, the grid assembly, and the crushing structure are provided. The grid assembly includes a grid and grid holes. The grid is arranged around the end shaft of the rotary kiln. The grid holes are evenly distributed on the grid. One end of the crushing structure stands upright at the intersection of the grid holes. The space formed by the grid is used to accommodate agglomerated material. The diameter of the grid holes is smaller than the outer diameter of the agglomerated material and larger than the outer diameter of the crushed material.

[0007] Optionally, the grating is made of wear-resistant alloy steel, and the surface of the alloy steel is hardened.

[0008] Optionally, the grille assembly further includes a protective layer disposed on the surface of the grille, the protective layer being a ceramic coating.

[0009] Optionally, the grid holes are square in shape with a diameter of 0.1m × 0.1m.

[0010] Optionally, the breaking structure is welded to the grid.

[0011] Optionally, the shape of the breaking structure is conical, and the conical surface of the cone has several regular concave surfaces.

[0012] Optionally, the axial length of the grid is 1m, and its width matches the outer diameter of the end of the rotary kiln.

[0013] Optionally, the connection between the grid and the end of the rotary kiln is detachable.

[0014] Optionally, the grid is connected to the end of the rotary kiln by bolts, and the bolts are evenly distributed at the connection between the grid and the end of the rotary kiln.

[0015] Optionally, the breaking structure is uniformly distributed in a matrix at the intersection of the grid holes.

[0016] As can be seen from the above technical solutions, this application has the following advantages:

[0017] This application adds a ring of grids at the end of a rotary kiln, with a vertical crushing structure welded onto the grids. The rotary kiln's rotation causes the dry, agglomerated material to collide with the grids and crushing structure, crushing the agglomerated material. This avoids the impact and friction caused by the irregular shape and large volume of the agglomerated material on subsequent conveying equipment. The grids have evenly distributed grid holes, with the hole diameter smaller than the outer diameter of the agglomerated material but larger than the outer diameter of the crushed material. This ensures even distribution of the outlet material, preventing material blockage due to low end-of-line material conveying and avoiding the impact of concentrated material falling onto subsequent receiving and conveying equipment. This reduces the occurrence of equipment wear, deformation, and breakage, lowers equipment maintenance costs, extends equipment lifespan, and improves work efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a top view schematic diagram of the material crushing device provided in this application;

[0020] Figure 2 This is a schematic diagram of the main structure of the material crushing device provided in this application;

[0021] Figure 3 This is a schematic diagram of the crushing structure of the material crushing device provided in this application. Detailed Implementation

[0022] In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and other terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to describe the relative positional relationship between the components or parts and do not specifically limit the specific installation orientation of each component or part.

[0023] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0024] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0025] Furthermore, the structures, proportions, sizes, etc., drawn in the accompanying drawings of this application are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modification to the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects and purposes that this application can produce, should still fall within the scope of the technical content disclosed in this application.

[0026] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] To address the aforementioned technical problems, this application provides a material crushing device for crushing agglomerated materials.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 This application provides a material crushing device, comprising:

[0029] The rotary kiln, the grid assembly 01, and the crushing structure 02 are provided. The grid assembly 01 includes a grid 011 and grid holes 012. The grid 011 is arranged around the end shaft of the rotary kiln. The grid holes 012 are evenly distributed on the grid 011. One end of the crushing structure 02 stands upright at the intersection of the grid holes 012. The space formed by the grid 011 is used to accommodate agglomerated materials. The diameter of the grid holes 012 is smaller than the outer diameter of the agglomerated materials and larger than the outer diameter of the crushed materials.

[0030] The aperture of the grid hole 012 is smaller than the outer diameter of the agglomerated material. The agglomerated material cannot pass directly through the grid hole 012 and is thus intercepted in the space formed by the grid 011. The agglomerated material intercepted in the space of the grid 011 collides with the crushing structure 02, which is upright at the intersection of the grid hole 012, under the continuous pushing of the rotary kiln and its own gravity. The crushing structure 02 crushes the agglomerated material, and the outer diameter of the crushed material is smaller than the aperture of the grid hole 012. The crushed material is discharged from below the grid assembly 01 through the grid hole 012.

[0031] This application adds a ring of grid 011 at the end of the rotary kiln, and welds a vertical crushing structure 02 onto the grid 011. The rotary kiln's rotation causes the dry, agglomerated material to collide with the grid 011 and the crushing structure 02, crushing the agglomerated material. This avoids the impact and friction caused by the irregular shape and large volume of the agglomerated material on subsequent conveying equipment. The grid 011 has evenly distributed grid holes 012, the diameter of which is smaller than the outer diameter of the agglomerated material but larger than the outer diameter of the crushed material. This allows for even distribution of the outlet material, preventing material blockage due to small end-of-line material conveying and the impact of concentrated material falling onto subsequent receiving and conveying equipment. This reduces the occurrence of equipment wear, deformation, and breakage, lowers equipment maintenance costs, extends equipment service life, and improves work efficiency.

[0032] In an optional embodiment, the grille 011 is made of wear-resistant alloy steel, and the surface of the alloy steel is hardened.

[0033] In this embodiment, wear-resistant alloy steel is used as the material for the grating 011. Wear-resistant alloy steel has high strength and hardness, and can withstand the impact force generated by the agglomerated material during the rotation of the rotary kiln, making it less prone to deformation or damage. At the same time, its good toughness can prevent brittle fracture under large impact forces, ensuring that the grating 011 maintains its integrity during long-term use and extending its service life.

[0034] The surface of the alloy steel is quenched, which further improves the hardness and wear resistance of the 011 grating. The quenching treatment changes the microstructure of the alloy steel surface, forming a high-hardness martensitic structure, which can better resist the friction and impact of materials, enhance the wear resistance of the 011 grating, reduce damage to the 011 grating caused by material wear, thereby ensuring the stable operation of the entire material crushing device and improving the processing capacity for agglomerated materials.

[0035] In an optional embodiment, the grille assembly 01 further includes a protective layer disposed on the surface of the grille 011, the protective layer being made of a ceramic coating.

[0036] In this embodiment, the surface of the grille 011 is confirmed to be flat, dry, and free of oil and dust to ensure that the coating can adhere firmly. A dedicated roller or spray gun is used to evenly apply or spray the ceramic coating onto the surface of the grille 011, ensuring uniform coating thickness without any missed areas or runs. A protective layer, made of ceramic coating, is applied to the surface of the grille 011. This ceramic coating adheres tightly to the surface of the grille 011 through processes such as thermal spraying and chemical vapor deposition, resulting in a uniform thickness. This protective layer not only effectively protects the grille 011 from external environmental erosion but also enhances its wear resistance, high-temperature resistance, and corrosion resistance.

[0037] In an optional embodiment, the grid hole 012 is square in shape and has a diameter of 0.1m × 0.1m.

[0038] In this embodiment, the shape of the grid holes 012 is a standard square with a side length of 0.1m. The hole size is strictly controlled within the specification range of 0.1m × 0.1m to facilitate processing and manufacturing, and it has good uniformity and stability in filtration. This hole size can filter agglomerated materials and prevent them from entering specific areas through the grid 011.

[0039] In an optional embodiment, the broken structure 02 is welded to the grid 011.

[0040] In this embodiment, welding is employed to ensure a strong and reliable connection between the broken structure 02 and the grid 011, preventing loosening or detachment during prolonged use. Specifically, the broken structure 02 is accurately placed at the predetermined welding position on the grid 011, and clamps are used to securely fix them together. The gap between the broken structure 02 and the grid 011 is ensured to be uniform and meet welding requirements. Appropriate welding process parameters, such as welding current, voltage, and welding speed, are determined based on the material and thickness of the broken structure 02 and the grid 011, as well as the selected welding method. Welding is then performed. After welding, a visual inspection is conducted to check for defects such as cracks, porosity, slag inclusions, lack of fusion, and weld beads on the weld surface.

[0041] In an optional embodiment, the shape of the fracture structure 02 is conical, and the conical surface of the cone has a number of regular concave surfaces.

[0042] In this embodiment, the crushing structure 02 is designed in a conical shape with a sharp tip, which can effectively penetrate and break up agglomerated materials. Specifically, the sharp tip of the conical crushing structure 02 allows it to cut into the material first when it enters the crushing zone, effectively reducing the initial resistance to crushing and making the material easier to break. As the material slides down the conical surface, the gradually increasing diameter of the cone generates continuous compressive and shearing forces on the material, further breaking it into smaller particles.

[0043] As the agglomerated material slides down the conical surface, it continuously collides with the conical surface 022 and the concave surface 021. The presence of the concave surface 021 increases the contact points and contact area between the material and the crushing structure 02, subjecting the material to more complex stresses, thereby improving crushing efficiency and enabling the material to be crushed to the required particle size in a shorter time. The regularly distributed concave surfaces 021 allow for more precise crushing control. During the crushing process, the material is dispersed and broken down under the action of the concave surfaces 021, resulting in a more uniform particle size of the final crushed product.

[0044] In an optional embodiment, the axial length of the grid 011 is 1m, and its width matches the outer diameter of the rotary kiln end.

[0045] In this embodiment, the axial length of the grid 011 is a suitable length that provides sufficient space for material screening and processing inside the rotary kiln, ensuring that the material is adequately screened and distributed in the axial direction, avoiding localized material accumulation or insufficient processing. The width precisely matches the outer diameter of the rotary kiln's end, ensuring a tight fit between the grid 011 and the rotary kiln, preventing material leakage at the connection point, and improving the operating efficiency of the production system.

[0046] In an optional embodiment, the connection between the grid 011 and the end of the rotary kiln is detachable.

[0047] In this embodiment, a connecting flange is designed at the end of the rotary kiln. This flange is welded to the cylinder of the rotary kiln, and multiple bolt holes are evenly distributed around its outer periphery. A flange is also provided at the end of the grid 011 near the rotary kiln. The size of this flange is the same as the connecting flange at the end of the rotary kiln, and it also has bolt holes evenly distributed around its outer periphery corresponding to the bolt holes on the connecting flange. Here, the connection between the grid 011 and the end of the rotary kiln can also be welding.

[0048] Detachable connections make equipment maintenance, replacement, and cleaning very easy. By using detachable connections, parts can be easily replaced, and regular maintenance can be performed, thereby extending the equipment's lifespan.

[0049] In an optional embodiment, the grid 011 is connected to the end of the rotary kiln by bolts 03, and the bolts 03 are evenly distributed at the connection between the grid 011 and the end of the rotary kiln.

[0050] In this embodiment, high-strength alloy steel bolts 03 and nuts are selected as the components connecting the grid 011 to the end of the rotary kiln. The length of bolt 03 is designed based on the total thickness of the rotary kiln end connecting flange and the grid 011 connecting flange, as well as the allowance after tightening the nut, ensuring that bolt 03 can completely pass through the bolt holes on both flanges and provide sufficient tightening length. Standard nuts are selected to prevent loosening due to vibration during rotary kiln operation.

[0051] In an optional embodiment, the broken structure 02 is uniformly distributed in a matrix at the intersection of the grid holes 012.

[0052] In this embodiment, the crushing structure 02 is made of hard alloy material, which has extremely high hardness and wear resistance. The crushing structure 02 is cone-shaped with a height of 1 cm, and the tip of the cone is used to crush materials. This cone-shaped crushing head can concentrate force when materials impact, effectively crushing material particles. The crushing structure 02 is located at the intersection of the grid holes 012, and the spacing of the crushing structure 02 corresponds to the spacing of the grid holes 012, ensuring that the crushing capacity is evenly distributed across the entire surface of the grid 011.

[0053] It should be noted that the above description of the disclosed embodiments enables those skilled in the art to implement or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A material crushing device, characterized in that, include: The rotary kiln, the grid assembly, and the crushing structure are provided. The grid assembly includes a grid and grid holes. The grid is arranged around the end shaft of the rotary kiln. The grid holes are evenly distributed on the grid. One end of the crushing structure stands upright at the intersection of the grid holes. The space formed by the grid is used to accommodate agglomerated material. The diameter of the grid holes is smaller than the outer diameter of the agglomerated material and larger than the outer diameter of the crushed material.

2. The material crushing device according to claim 1, characterized in that, The grating is made of wear-resistant alloy steel, and the surface of the alloy steel has been hardened.

3. The material crushing device according to claim 1, characterized in that, The grille assembly also includes a protective layer disposed on the surface of the grille, the protective layer being a ceramic coating.

4. The material crushing device according to claim 1, characterized in that, The grid holes are square in shape, with a diameter of 0.1m × 0.1m.

5. The material crushing device according to claim 1, characterized in that, The broken structure is welded onto the grid.

6. The material crushing device according to claim 1, characterized in that, The shape of the broken structure is conical, and the conical surface of the cone has several regular concave surfaces.

7. The material crushing device according to claim 6, characterized in that, The axial length of the grid is 1m, and its width matches the outer diameter of the end of the rotary kiln.

8. The material crushing device according to claim 1, characterized in that, The connection between the grid and the end of the rotary kiln is detachable.

9. The material crushing device according to claim 8, characterized in that, The grid is connected to the end of the rotary kiln by bolts, and the bolts are evenly distributed at the connection between the grid and the end of the rotary kiln.

10. The material crushing device according to claim 1, characterized in that, The broken structure is uniformly distributed in a matrix at the intersection of the grid holes.

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