Screening device
The screening device with adjustable height and reinforced cross-flanged design addresses the collapse and clogging issues in steel slag screening, ensuring smooth operation and reducing labor intensity.
Patent Information
- Application Number
- CN202422145710.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-03
AI Technical Summary
During the use of the existing screening device, due to the impact and wear of steel slag on the blanking point, the screen plate has low strength, resulting in the overall collapse of the screen plate and the longitudinal screen plate is frequently dumped, which affects the poor cutting and frequent blocking of materials, increasing labor intensity.
The special-shaped screen strip design is adopted to increase the height of the longitudinal screen strip in areas with severe impact and reduce the height of the screen strip in areas with small loads. Combined with the cross-welded structure, the strength and wear resistance of the screen plate are improved.
Effectively prevent the screen plate from collapse and pouring, ensure smooth discharge, reduce the frequency of manual cleaning, and reduce labor intensity.
Smart Images
Figure CN223097353U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel slag screening, and particularly relates to a screening device. Background Art
[0002] Steel slag is an industrial solid waste, which is the slag discharged during blast furnace steelmaking. After the steel slag is crushed, waste iron can be extracted and recovered through magnetic separation. The steel slag after iron selection can also be used as a sintering solvent or smelting solvent for the blast furnace. When the steel slag is used as a sintering solvent or smelting solvent, there are strict requirements for the particle size of the steel slag. Steel slags with different particle sizes cannot be added to the blast furnace as sintering solvents or smelting solvents.
[0003] During the use of the existing screening device, due to the impact and wear of the steel slag on the material dropping point, the sieve plate of the screening device shows an overall collapse phenomenon; the strength of the sieve plate is low, and the longitudinal sieve plate frequently topples during use, affecting the feeding, resulting in poor feeding, frequent blockage, and causing the post workers to frequently clean the screening device, with a large labor intensity. Therefore, the present application provides a screening device to meet the requirements. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is to provide a screening device to solve the problems of the existing screening device, that is, due to the impact and wear of the steel slag on the material dropping point, the sieve plate of the screening device shows an overall collapse phenomenon; the strength of the sieve plate is low, and the longitudinal sieve plate frequently topples during use, affecting the feeding, resulting in poor feeding, frequent blockage, and causing the post workers to frequently clean the screening device, with a large labor intensity.
[0005] To solve the above technical problems, the utility model provides the following technical solutions:
[0006] A screening device, comprising: a frame, a number of transverse sieve bars are welded in the inner cavity of the frame, a number of clamping grooves are formed in the inner cavity of the transverse sieve bars, inclined portions are formed at both ends of the top of the transverse sieve bars, a number of longitudinal sieve bar bodies are inserted into the inner cavity of the clamping grooves, and round ribs are fixedly installed at the top of the longitudinal sieve bar bodies.
[0007] Preferably, the longitudinal sieve bar body includes a first longitudinal sieve bar, a second longitudinal sieve bar, a third longitudinal sieve bar, and a fourth longitudinal sieve bar. There are two first longitudinal sieve bars, and the two first longitudinal sieve bars are respectively located on both sides of the screening device and are welded to the frame. The height of the two first longitudinal sieve bars is 180 mm; there are two second longitudinal sieve bars, and the two second longitudinal sieve bars are respectively located inside the first longitudinal sieve bars. The height of the two second longitudinal sieve bars is 200 mm; there are two third longitudinal sieve bars, and the two third longitudinal sieve bars are respectively located inside the second longitudinal sieve bars. The height of the two third longitudinal sieve bars is 220 mm; there are nine fourth longitudinal sieve bars, and the fourth longitudinal sieve bars are located inside the third longitudinal sieve bars. The height of the fourth longitudinal sieve bars is 230 mm.
[0008] Preferably, the steel plate thickness of the first longitudinal sieve bar, the second longitudinal sieve bar, and the third longitudinal sieve bar is 25 mm, and the steel plate thickness of the fourth longitudinal sieve bar is 30 mm.
[0009] Preferably, the number of the transverse sieve bars is 19, and they are arranged from left to right in sequence as serial number 1 to serial number 19. Among them, the heights of serial number 1, 2, 3, 18, and serial number 19 are 210 mm, and the heights of serial number 4 - 17 are 230 mm. The installation angle of the transverse sieve bars is 70°.
[0010] Preferably, the heights of serial number 1 and serial number 15 at the clamping part of the transverse sieve bar and the longitudinal sieve bar body are 200 mm. The inclined part extends from both sides to the middle at an angle of 4°15′ to 675 mm respectively, and its specific position is at the positions of serial number 3 and serial number 13. The remaining 2250 mm part is all straight.
[0011] Preferably, when the transverse sieve bar and the longitudinal sieve bar body are welded, they are welded in a cross shape. The slotting depth of the card slot is 130 mm, and the longitudinal sieve bar body is directly inserted into the card slot.
[0012] Compared with the prior art, the present utility model has at least the following beneficial effects:
[0013] 1. In the above solution, by transforming the severely impacted part of the screening device, changing the original straight sieve bars to special-shaped sieve bars, increasing the height of the longitudinal sieve bars in the severely impacted blanking area, reducing the height of the sieve bars in the area with small load-bearing, increasing its strength and wear resistance, improving the practicability, and meeting the on-site use requirements.
[0014] 2. In the above solution, by adjusting the direction of the transverse sieve bars of the screening device, while keeping the height of the sieve bars unchanged, the height of the sieve plate is reduced, ensuring smooth blanking and eliminating manual cleaning of the screening device. Description of the Drawings
[0015] The accompanying drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present disclosure and, together with the specification, are further used to explain the principles of the present disclosure and enable those skilled in the relevant art to implement and use the present disclosure.
[0016] Figure 1 It is a three-dimensional structural schematic diagram of a screening device;
[0017] Figure 2 It is a top-view structural schematic diagram of a screening device;
[0018] Figure 3 It is a front-sectional structural schematic diagram of a screening device;
[0019] Figure 4 It is a side-sectional structural schematic diagram of a screening device;
[0020] Figure 5 It is a structural schematic diagram of the transverse sieve bars of a screening device;
[0021] Figure 6 It is a structural schematic diagram of the longitudinal sieve bars of a screening device.
[0022] [Reference Signs]
[0023] 1. Frame; 2. Transverse sieve bar; 3. Card slot; 4. Inclined part; 5. Longitudinal sieve bar; 51. First longitudinal sieve bar; 52. Second longitudinal sieve bar; 53. Third longitudinal sieve bar; 54. Fourth longitudinal sieve bar; 6. Round rib.
[0024] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic purposes and is not intended to limit the present invention to this specific structure, device, and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments, and the adjustments or modifications still fall within the scope of the appended claims. Detailed Embodiments
[0025] The following describes in detail a screening device provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in some well-known technical fields can also implement them in other alternative ways; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.
[0026] It should be noted that in the specification, references to "an embodiment", "embodiments", "exemplary embodiments", "some embodiments", etc. indicate that the described embodiments may include a particular feature, structure, or characteristic, but not necessarily every embodiment includes that particular feature, structure, or characteristic. Additionally, when combining embodiments to describe a particular feature, structure, or characteristic, implementing such a feature, structure, or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the relevant art.
[0027] Generally, terms can be understood at least in part from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or can be used to describe a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood to not necessarily be intended to convey a set of exclusive factors, but rather, depending at least in part on the context, can alternatively allow for the existence of other factors that are not necessarily explicitly described.
[0028] It can be understood that the meanings of "on", "above", and "over" in the present disclosure should be interpreted in the broadest manner such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "above" or "over" not only means "above" or "over" something, but can also include the meaning of being "above" or "over" something with no intervening features or layers therebetween.
[0029] Furthermore, spatial relative terms such as "beneath", "below", "lower", "above", "upper", etc. may be used herein for convenience of description to describe the relationship of one element or feature to another or other elements or features, as shown in the drawings. Spatial relative terms are intended to cover different orientations in the use or operation of the device in addition to the orientation depicted in the drawings. The device may be oriented in other ways, and the spatial relative descriptive terms used herein may be interpreted accordingly.
[0030] As Figure 1 and Figure 2 shown, an embodiment of the present utility model provides a screening device, including: a frame 1, a plurality of transverse sieve bars 2 are welded in the inner cavity of the frame 1, a plurality of card slots 3 are opened in the inner cavity of the transverse sieve bars 2, inclined portions 4 are opened at both ends of the top of the transverse sieve bars 2, a plurality of longitudinal sieve bar bodies 5 are inserted into the inner cavity of the card slots 3, and circular ribs 6 are fixedly installed at the top of the longitudinal sieve bar bodies 5.
[0031] As Figure 1 and Figure 6As shown in the figure, the longitudinal sieve bar body 5 includes the first longitudinal sieve bar 51, the second longitudinal sieve bar 52, the third longitudinal sieve bar 53 and the fourth longitudinal sieve bar 54. There are two first longitudinal sieve bars 51, and the two first longitudinal sieve bars 51 are respectively located on both sides of the screening device and are welded to the frame 1. The height of the two first longitudinal sieve bars 51 is 180 mm; there are two second longitudinal sieve bars 52, and the two second longitudinal sieve bars 52 are respectively located inside the first longitudinal sieve bars 51. The height of the two second longitudinal sieve bars 52 is 200 mm; there are two third longitudinal sieve bars 53, and the two third longitudinal sieve bars 53 are respectively located inside the second longitudinal sieve bars 52. The height of the two third longitudinal sieve bars 53 is 220 mm; there are nine fourth longitudinal sieve bars 54, and the fourth longitudinal sieve bars 54 are located inside the third longitudinal sieve bars 53. The height of the fourth longitudinal sieve bars 54 is 230 mm. The height is increased for the area with more material falling, and the height is reduced for the area with less material falling, increasing the practicality of the device and reducing the manufacturing cost.
[0032] As Figure 1 and Figure 2 shown in the figure, the steel plate thickness of the first longitudinal sieve bar 51, the second longitudinal sieve bar 52 and the third longitudinal sieve bar 53 is 25 mm, and the steel plate thickness of the fourth longitudinal sieve bar 54 is 30 mm. The load in the area with more material falling is larger, and thicker materials need to be used to increase the bearing capacity of the device.
[0033] As Figure 1 and Figure 2 shown in the figure, the number of the transverse sieve bars 2 is 19, and they are arranged from left to right in sequence as serial number 1 to serial number 19. Among them, the heights of serial number 1, 2, 3, 18 and serial number 19 are 210 mm, and the heights of serial number 4 - 17 are 230 mm. The installation angle of the transverse sieve bars 2 is 70°. By adjusting the direction, the height of the sieve plate is reduced while the height of the sieve bars remains unchanged, ensuring smooth material discharge.
[0034] As Figure 1 and Figure 2 shown in the figure, the heights of serial number 1 and serial number 15 at the clamping part of the transverse sieve bars 2 and the longitudinal sieve bar body 5 are 200 mm. The inclined part 4 extends from both sides to the middle at an angle of 4°15′ to 675 mm, and its specific position is at the positions of serial number 3 and serial number 13. The remaining 2250 mm part is all flat parts, improving the overall strength of the transverse sieve plate.
[0035] As Figure 1 and Figure 2 shown in the figure, when the transverse sieve bars 2 and the longitudinal sieve bar body 5 are welded, they are welded in a cross shape. The grooving depth of the clamping groove 3 is 130 mm, and the longitudinal sieve bar body 5 is directly inserted into the clamping groove 3. To ensure the strength of the longitudinal sieve bar body 5, the longitudinal sieve bar body 5 is not grooved.
[0036] In the technical solution provided by the present utility model, during operation, first, the transverse sieve bars 2 are welded on the frame 1 according to the dimensional requirements of the drawing. Then, the screening device is turned over, and the longitudinal sieve bar body 5 is inserted into the card slots 3 opened on the transverse sieve bars 2 according to the drawing requirements. A 70° tool is fabricated in advance. After positioning with the tool, welding is carried out. All welded parts are fully welded. The height of the fillet weld is controlled within 20 mm - 25 mm. For the flat weld, a beveled weld joint is made. The bevel opening is on both sides, and the bevel shape is 18 * 45°.
[0037] The present utility model covers any alternatives, modifications, equivalent methods and solutions made within the essence and scope of the present utility model. In order to enable the public to have a thorough understanding of the present utility model, specific details are described in detail in the above preferred embodiments of the present utility model. However, those skilled in the art can fully understand the present utility model even without the description of these details. Additionally, in order to avoid unnecessary confusion to the essence of the present utility model, well-known methods, processes, procedures, components and circuits, etc. are not described in detail.
[0038] Those of ordinary skill in the art can understand that all or part of the steps in implementing the above embodiment methods can be completed by instructing relevant hardware through a program. This program can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disc, etc.
[0039] The above description is only a preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.
Claims
1. A screening device, characterized in that, Including: A frame (1), in the inner cavity of the frame (1), a number of transverse sieve bars (2) are welded. In the inner cavity of the transverse sieve bars (2), a number of card slots (3) are provided. At both ends of the top of the transverse sieve bars (2), inclined parts (4) are provided. In the inner cavity of the card slots (3), a number of longitudinal sieve bar bodies (5) are inserted. On the top of the longitudinal sieve bar bodies (5), round ribs (6) are fixedly installed.
2. The screening device according to claim 1, characterized in that, The longitudinal sieve bar bodies (5) include a first longitudinal sieve bar (51), a second longitudinal sieve bar (52), a third longitudinal sieve bar (53) and a fourth longitudinal sieve bar (54). There are two first longitudinal sieve bars (51). The two first longitudinal sieve bars (51) are respectively on both sides of the screening device and are welded to the frame (1). The height of the two first longitudinal sieve bars (51) is 180 mm. There are two second longitudinal sieve bars (52). The two second longitudinal sieve bars (52) are respectively inside the first longitudinal sieve bars (51). The height of the two second longitudinal sieve bars (52) is 200 mm. There are two third longitudinal sieve bars (53). The two third longitudinal sieve bars (53) are respectively inside the second longitudinal sieve bars (52). The height of the two third longitudinal sieve bars (53) is 220 mm. There are nine fourth longitudinal sieve bars (54). The fourth longitudinal sieve bars (54) are inside the third longitudinal sieve bars (53). The height of the fourth longitudinal sieve bars (54) is 230 mm.
3. The screening device according to claim 2, characterized in that, The steel plate thickness of the first longitudinal sieve bar (51), the second longitudinal sieve bar (52) and the third longitudinal sieve bar (53) is 25 mm, and the steel plate thickness of the fourth longitudinal sieve bar (54) is 30 mm.
4. The screening device according to claim 1, wherein, The number of the transverse sieve bars (2) is 19, and they are arranged in order from left to right as serial number 1 to serial number 19. Among them, the heights of serial number 1, 2, 3, 18 and serial number 19 are 210 mm, and the heights of serial number 4 - 17 are 230 mm. The installation angle of the transverse sieve bars (2) is 70°.
5. The screening device according to claim 1, characterized in that The serial numbers 1 and 15 of the clamping parts of the transverse sieve bars (2) and the longitudinal sieve bar bodies (5) have a height of 200 mm. The inclined parts (4) extend from both sides to the middle at an angle of 4°15′ to 675 mm respectively, and their specific positions are at the positions of serial number 3 and serial number 13. The remaining 2250 mm part is all a straight part.
6. The screening device according to claim 1, characterized in that When the transverse sieve bars (2) and the longitudinal sieve bar bodies (5) are welded, they are welded in a cross shape. The grooving depth of the card slots (3) is 130 mm, and the longitudinal sieve bar bodies (5) are directly inserted into the card slots (3).