Dust removal and noise reduction device for waste steel sorting

Abstract

The utility model relates to the technical field of dust removal and noise reduction, in particular to a dust removal and noise reduction device for waste steel sorting. Comprising a housing, a sound insulation plate layer, a dust removal device and a suction device, a cavity is formed in the housing and used for containing a scrap steel sorting line, the sound insulation plate layer covers the inner side wall of the housing and used for absorbing and blocking noise, and the dust removal device is provided with a discharge port and a suction port which are communicated with the cavity and used for removing dust generated in the sorting process. And the suction device pumps and exhausts air containing dust in the cavity into the dust removal device, and through the device, dust can be effectively removed, noise can be effectively lowered, and comfort and safety of operators are improved.

Description

Technical Field

[0001] This utility model relates to the field of dust removal and noise reduction technology, and in particular to a dust removal and noise reduction device for scrap steel sorting. Background Technology

[0002] Scrap steel sorting is a crucial step in the steel recycling and reuse process, primarily used to classify, cut, and process scrap steel for subsequent smelting and processing. Scrap steel sorting lines generate significant amounts of dust and high-decibel noise during operation, causing serious pollution to the surrounding environment and threatening the health of operators. Traditional methods for addressing scrap steel sorting noise mainly involve installing simple sound-absorbing materials, such as ordinary foam sound-absorbing panels, on the workshop walls. For dust control, a common approach is to install large exhaust ducts in the workshop ceiling, connected to a centralized baghouse dust collector.

[0003] However, for dust treatment, the above-mentioned dust removal methods are inefficient, the filter bags are prone to clogging, and frequent replacement of filter bags is required, which increases the equipment maintenance cost. For noise control, ordinary sound-absorbing materials have limited absorption effect on the complex frequency noise of scrap steel sorting, and it is difficult to effectively reduce high-decibel, wide-band noise, resulting in serious noise pollution in the work area, which will affect the hearing health of operators in the long term and reduce work efficiency. Therefore, there is an urgent need for a dust removal and noise reduction device for scrap steel sorting to efficiently remove dust and reduce noise. Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a dust removal and noise reduction device for scrap steel sorting, which solves the technical problem that a large amount of dust and high decibel noise are generated during the operation of scrap steel sorting lines.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0006] A dust removal and noise reduction device for scrap steel sorting, used to cover and install on a scrap steel sorting line, includes:

[0007] A housing, wherein a chamber is provided inside the housing for accommodating the scrap steel sorting line;

[0008] A sound-insulating panel layer, wherein the sound-insulating panel layer is applied to the inner wall of the enclosure;

[0009] A dust removal device is provided with an outlet and an inlet, which are respectively connected to a chamber;

[0010] A suction device is used to extract dust-containing air from the chamber into a dust removal device.

[0011] Based on the above structure, the principle of the dust removal and noise reduction device for scrap steel sorting is as follows: During the operation of the scrap steel sorting line, air containing dust is drawn out from the chamber through the suction port. After being processed by the dust removal device, the dust is filtered or collected, and the clean air is discharged into the chamber through the exhaust port to maintain air circulation in the chamber and ensure that dust does not accumulate, thereby maintaining good air quality in the chamber. The sound insulation board layer covering the inner wall of the cover can absorb and block the noise generated during the scrap steel sorting process, reduce the impact of noise on the external environment, and improve the comfort of the working environment.

[0012] Furthermore, in a dust removal and noise reduction device for scrap steel sorting, the sound insulation board layer is detachably installed on the inner wall of the housing. The sound insulation board layer includes a protective plate, a sound insulation layer, and a sound absorption layer, which are arranged sequentially from the inside to the outside of the housing. As a preferred embodiment of this application, the sound insulation board layer of the scrap steel sorting dust removal and noise reduction device adopts a multi-layer structure design, which blocks and absorbs noise from different angles. Compared with a single sound insulation material, it can more effectively reduce the noise during the scrap steel sorting process. The middle sound insulation layer effectively blocks the noise generated by scrap steel sorting from propagating outward, reducing the impact of noise on the surrounding environment. The sound absorption layer can absorb some of the noise that passes through the sound insulation layer, further reducing the propagation of noise. The sound insulation board layer adopts a detachable design, which facilitates the quick disassembly of the corresponding board when the protective plate, sound insulation layer, or sound absorption layer is damaged or aged, making it convenient for repair or replacement.

[0013] Furthermore, in a dust removal and noise reduction device for scrap steel sorting in this application, the protective plate is provided with an array of perforations. As a preferred embodiment of this application, the perforations in the dust removal and noise reduction device for scrap steel sorting are used to ensure that the noise emitted from the scrap steel sorting line is evenly transmitted to the sound-absorbing layer, thereby optimizing the sound absorption effect and improving the overall sound insulation effect.

[0014] Furthermore, in a dust removal and noise reduction device for scrap steel sorting, the suction device is located in a chamber, and the outlet of the suction device is connected to the inlet. As a preferred embodiment of this application, the dust removal and noise reduction device for scrap steel sorting, with the suction device located within a chamber and the outlet connected to the inlet, can construct an efficient airflow circulation system within the chamber. When the suction device is activated, it extracts dust-containing air from the chamber, which enters the dust removal device through the inlet. After dust removal is completed, clean air enters the chamber through the outlet.

[0015] Furthermore, the present application discloses a dust removal and noise reduction device for scrap steel sorting. The dust removal device includes a lower cover, a middle cover, and an upper cover. The lower cover, middle cover, and upper cover are stacked and installed vertically from bottom to top. The discharge port and the suction port are respectively located on the side walls of the upper cover and the lower cover. The middle cover is provided with a water spraying mechanism for generating a water film in the middle cover. As a preferred embodiment of this application, a dust removal and noise reduction device for scrap steel sorting is provided. Dust-laden air enters through the intake port of the lower cover and first passes through the lower cover area, which is the preliminary purification stage. At this time, larger dust particles will fall to the bottom of the lower cover under the action of gravity. Then, the preliminarily purified air reaches the middle cover, where the air is further purified by a water film generated by a water spray mechanism. Finally, after the final purification is completed in the upper cover area, the air is discharged from the outlet. The water film generated by the water spray mechanism in the middle cover can effectively adsorb dust particles in the air. When dust-laden air passes through the water film, the dust will be captured and adhered by the water film, thereby separating it from the air and achieving efficient dust removal.

[0016] Furthermore, in this application, a dust removal and noise reduction device for scrap steel sorting includes a water spraying mechanism comprising a water spray head and an annular diffuser plate. The water spray head is centrally located within a middle housing, with its nozzle facing the annular diffuser plate. The annular diffuser plate is inclined away from the water spray head along the axial direction of the middle housing. As a preferred embodiment of this application, the centrally located water spray head, with its nozzle facing the annular diffuser plate, allows the sprayed water to precisely impact the annular diffuser plate. Because the annular diffuser plate is inclined away from the water spray head along the axial direction of the middle housing, the water flow, after impact, diffuses evenly along the inclined surface of the annular diffuser plate, forming a uniform water film within the middle housing. This ensures comprehensive and uniform purification of the passing dust-laden air. The structure and inclined arrangement of the annular diffuser plate allow the water flow to cover a larger area during diffusion, increasing the contact area between the water film and the dust-laden air, and improving the probability of dust capture.

[0017] Furthermore, in this application, a dust removal and noise reduction device for scrap steel sorting includes a swirling mechanism inside the middle cover. The swirling mechanism is located on the side of the annular diffuser plate away from the water spray head. The swirling mechanism includes an annular mounting base, which is installed on the inner wall of the middle cover. The annular mounting base has an annular groove, and a set of guide plates is provided in the annular groove. The set of guide plates is evenly spaced along the circumference of the middle cover. A set of through holes is provided at the bottom of the annular groove, and the set of through holes corresponds one-to-one with the set of guide plates. As a preferred embodiment of this application, a dust removal and noise reduction device for scrap steel sorting is provided. The annular mounting base in the swirling mechanism is installed on the inner wall of the middle cover. A set of guide plates evenly spaced along the circumference of the middle cover in the annular groove can guide the airflow after passing through the annular diffuser plate to generate a rotational motion. When the dust-laden air passes through the guide plates, it will be guided by the special shape and layout of the guide plates to form a spiral swirling flow, so that the airflow generates a more complex and orderly flow trajectory in the middle cover. During the swirling process, the dust particles will rotate with the airflow and come into more full contact with the water film formed by the annular diffuser plate. Due to the effect of the swirling flow, the residence time of the dust particles in the middle cover is extended, and the probability of collision with the water film is greatly increased, thereby improving the efficiency of dust adsorption by the water film.

[0018] Furthermore, in this application, a dust removal and noise reduction device for scrap steel sorting further includes: a set of inspection ports, which are respectively disposed on the outer walls of the lower cover, middle cover, and upper cover. Each inspection port has a cover plate on its outer side, and the cover plate is detachably installed on the inspection port. As a preferred embodiment of this application, the inspection ports provide workers with access to the interior of the dust removal device for inspection. By opening the corresponding inspection port cover plate, the operating status of the internal equipment can be easily observed; and when a fault or damage is found in an internal component of the dust removal device, the inspection port can be used to repair or replace the relevant component.

[0019] As can be seen from the above technical solution, this utility model has the following beneficial effects:

[0020] This utility model provides a dust removal and noise reduction device for scrap steel sorting. By installing the device on the scrap steel sorting line, the dust generated during the sorting process is effectively removed by the dust removal device and the suction device, and the noise is absorbed and blocked by the sound insulation board layer, thereby improving the working environment, reducing the impact on the surrounding environment, and improving the comfort and safety of the operators. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a dust removal and noise reduction device for scrap steel sorting in an embodiment of this application;

[0022] Figure 2This is a three-dimensional structural diagram of the sound insulation plate layer in a dust removal and noise reduction device for scrap steel sorting according to an embodiment of this application;

[0023] Figure 3 This is a three-dimensional structural diagram of the dust removal device in a dust removal and noise reduction device for scrap steel sorting according to an embodiment of this application;

[0024] Figure 4 This is a cross-sectional view of the dust removal device in a dust removal and noise reduction device for scrap steel sorting according to an embodiment of this application;

[0025] Figure 5 This is a three-dimensional structural diagram of the suction device in a dust removal and noise reduction device for scrap steel sorting according to an embodiment of this application.

[0026] In the diagram: 1-Casing; 10-Cavity; 2-Sound insulation board layer; 21-Protective board; 210-Perforation; 22-Sound insulation layer; 23-Sound absorption layer; 3-Dust removal device; 31-Outlet; 32-Inlet; 33-Lower casing; 34-Middle casing; 35-Upper casing; 4-Suction device; 5-Water spray mechanism; 51-Water spray head; 52-Annular diffuser plate; 6-Swirl mechanism; 61-Annular mounting base; 610-Annular groove; 6100-Through hole; 62-Guide plate; 7-Cover plate. Detailed Implementation

[0027] like Figure 1 , 3 As shown in Figure 5, a dust removal and noise reduction device for scrap steel sorting is used to cover and install on a scrap steel sorting line, comprising:

[0028] Cover 1, the cover 1 having a chamber 10 inside, the chamber 10 being used to accommodate the scrap steel sorting line;

[0029] Sound insulation board layer 2, which is applied to the inner wall of the cover 1;

[0030] Dust removal device 3, which is provided with an outlet 31 and an inlet 32, and the outlet 31 and the inlet 32 ​​are respectively connected to the chamber 10;

[0031] The suction device 4 is used to extract the dust-containing air in the chamber 10 to the dust removal device 3.

[0032] Based on the above structure, the principle of the dust removal and noise reduction device for scrap steel sorting is as follows: During the operation of the scrap steel sorting line, air containing dust is drawn out from the chamber 10 through the suction port 32. After being processed by the dust removal device 3, the dust is filtered or collected, and the clean air is discharged into the chamber 10 through the exhaust port 31 to maintain air circulation in the chamber 10 and ensure that dust does not accumulate, so as to maintain good air quality in the chamber 10. The sound insulation board layer 2 covering the inner wall of the cover 1 can absorb and block the noise generated during the scrap steel sorting process, reduce the impact of noise on the external environment, and improve the comfort of the working environment.

[0033] like Figure 2 As shown, in this embodiment, the sound insulation board layer 2 is detachably installed on the inner wall of the housing 1. The sound insulation board layer 2 includes: a protective plate 21, a sound insulation layer 22, and a sound absorption layer 23, which are arranged sequentially from the inside to the outside of the housing 1. The sound insulation board layer 2 adopts a multi-layer structure design to block and absorb noise from different angles. Compared with a single sound insulation material, it can more effectively reduce the noise during the scrap steel sorting process. The middle sound insulation layer 22 effectively blocks the noise generated by scrap steel sorting from propagating outward, reducing the impact of noise on the surrounding environment. The sound absorption layer 23 can absorb some of the noise that passes through the sound insulation layer 22, further reducing the propagation of noise. The sound insulation board layer 2 adopts a detachable design, which makes it convenient to quickly disassemble the corresponding board when the protective plate 21, sound insulation layer 22, or sound absorption layer 23 is damaged or aged, so as to facilitate its repair or replacement. The protective plate 21 is made of 1.2mm thick aluminum plate, the sound insulation layer 22 is made of 2mm thick damping sound insulation felt, and the sound absorption layer 23 is made of 50mm thick centrifugal glass wool felt.

[0034] In this embodiment, the protective plate 21 is provided with a plurality of perforations 210. The perforations 210 are used to ensure that the noise emitted from the scrap steel sorting line is evenly transmitted to the sound-absorbing layer 23, thereby optimizing the sound absorption effect and improving the overall sound insulation effect. The perforation diameter of the perforation 210 is 3mm, and the perforation rate is 30%.

[0035] In this embodiment, the suction device 4 is located in the chamber 10, and its outlet is connected to the inlet 32. The suction device 4, situated within the chamber 10 and with its outlet connected to the inlet 32, enables the creation of a highly efficient airflow circulation system within the chamber 10. When the suction device 4 is activated, it extracts dust-laden air from the chamber 10, which then enters the dust removal device 3 through the inlet 32. After dust removal is completed, clean air enters the chamber 10 through the outlet 31. The suction device 4 employs a vacuum pump.

[0036] like Figure 4As shown, in this embodiment, the dust removal device 3 includes: a lower cover 33, a middle cover 34, and an upper cover 35. The lower cover 33, the middle cover 34, and the upper cover 35 are stacked and installed vertically from bottom to top. The discharge port 31 and the suction port 32 are respectively provided on the side walls of the upper cover 35 and the lower cover 33. The middle cover 34 is provided with a water spraying mechanism 5, which is used to generate a water film in the middle cover 34. Dust-laden air enters through the intake 32 of the lower housing 33, first passing through the lower housing 33 area for preliminary purification. During this initial purification stage, larger dust particles fall to the bottom of the lower housing 33 under gravity. The pre-purified air then reaches the middle housing 34, where a water film generated by the water spray mechanism 5 further purifies the air. Finally, after final purification in the upper housing 35 area, the air is discharged from the outlet 31. The water film generated by the water spray mechanism 5 within the middle housing 34 effectively adsorbs dust particles in the air. When dust-laden air passes through the water film, the dust particles are captured and adhered to, thus separating from the air and achieving efficient dust removal. The dust removal device has two middle housings 34.

[0037] In this embodiment, the water spraying mechanism 5 includes a water spray head 51 and an annular diffuser plate 52. The water spray head 51 is centrally located inside the middle cover 34, with its nozzle facing the annular diffuser plate 52. The annular diffuser plate 52 is inclined away from the water spray head 51 along the axial direction of the middle cover 34. The central location of the water spray head 51, with its nozzle facing the annular diffuser plate 52, ensures that the sprayed water flow accurately impacts the annular diffuser plate 52. Because the annular diffuser plate 52 is inclined away from the water spray head 51 along the axial direction of the middle cover 34, the water flow, after impact, diffuses evenly in all directions along the inclined surface of the annular diffuser plate 52, thereby forming a uniform water film within the middle cover 34. This ensures comprehensive and uniform purification of the passing dust-laden air. The structure and inclined arrangement of the annular diffuser plate 52 are designed to allow the water flow to cover a larger area during diffusion, increasing the contact area between the water film and the dust-laden air, and improving the probability of dust capture.

[0038] In this embodiment, a swirling mechanism 6 is provided inside the middle cover 34. The swirling mechanism 6 is located on the side of the annular diffuser plate 52 away from the spray head 51. The swirling mechanism 6 includes an annular mounting base 61, which is installed on the inner side wall of the middle cover 34. An annular groove 610 is provided on the annular mounting base 61. A set of guide plates 62 are provided in the annular groove 610. The set of guide plates 62 are evenly spaced along the circumference of the middle cover 34. A set of through holes 6100 is provided at the bottom of the annular groove 610. The set of through holes 6100 corresponds one-to-one with the set of guide plates 62. The annular mounting base 61 in the swirling mechanism 6 is installed on the inner wall of the middle cover 34. A set of guide plates 62, evenly spaced along the circumference of the middle cover 34 within its annular groove 610, guides the airflow after passing through the annular diffuser 52, causing it to rotate. When dust-laden air passes through the guide plates 62, it is guided by their special shape and layout, forming a spiral swirling flow. This creates a more complex and orderly flow trajectory within the middle cover 34. During the swirling process, dust particles, along with the rotating airflow, come into more thorough contact with the water film formed by the annular diffuser 52. Due to the swirling effect, the residence time of dust particles within the middle cover 34 is prolonged, and the probability of collision with the water film is greatly increased, thereby improving the efficiency of dust adsorption by the water film. There are 12 guide plates 62 in a set, and correspondingly, 12 through holes 6100 in a set.

[0039] In this embodiment, the dust removal device 3 further includes a set of inspection ports, which are respectively disposed on the outer walls of the lower cover 33, the middle cover 34, and the upper cover 35. Each inspection port has a cover plate 7 on its outer side, and the cover plate 7 is detachably installed on the inspection port. The inspection ports provide access for personnel to enter the dust removal device 3 for inspection. By opening the corresponding inspection port cover plate 7, the operating status of the internal equipment can be easily observed; and when a fault or damage is found in an internal component of the dust removal device 3, the inspection port can be used to repair or replace the relevant component. There are four inspection ports in a set, and correspondingly, there are also four cover plates 7.

[0040] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on the explanation herein, those skilled in the art can conceive of other specific embodiments of this utility model without creative effort, and these embodiments will all fall within the scope of protection of this utility model.

Claims

1. A dust removal and noise reduction device for scrap steel sorting, used to cover and install on a scrap steel sorting line, characterized in that: include: A housing (1) is provided inside the housing (1), and the chamber (10) is used to accommodate the scrap steel sorting line; Sound insulation board layer (2), the sound insulation board layer (2) is applied to the inner wall of the cover (1); The dust removal device (3) is provided with an outlet (31) and an inlet (32), and the outlet (31) and inlet (32) are respectively connected to the chamber (10); The suction device (4) is used to extract the dust-containing air in the chamber (10) to the dust removal device (3).

2. The dust removal and noise reduction device for scrap steel sorting according to claim 1, characterized in that: The sound insulation board layer (2) is detachably installed on the inner wall of the cover (1). The sound insulation board layer (2) includes: a protective plate (21), a sound insulation layer (22), and a sound absorption layer (23). The protective plate (21), the sound insulation layer (22), and the sound absorption layer (23) are arranged sequentially from the inside to the outside of the cover (1).

3. The dust removal and noise reduction device for scrap steel sorting according to claim 2, characterized in that: The protective plate (21) is provided with a number of perforations (210).

4. The dust removal and noise reduction device for scrap steel sorting according to claim 3, characterized in that: The suction device (4) is located in the chamber (10), and the outlet of the suction device (4) is connected to the inlet (32).

5. The dust removal and noise reduction device for scrap steel sorting according to claim 4, characterized in that: The dust removal device (3) includes: a lower cover (33), a middle cover (34), and an upper cover (35). The lower cover (33), the middle cover (34), and the upper cover (35) are stacked in sequence from bottom to top in the vertical direction. The outlet (31) and the inlet (32) are respectively located on the side walls of the upper cover (35) and the lower cover (33). The middle cover (34) is provided with a water spraying mechanism (5), which is used to generate a water film in the middle cover (34).

6. The dust removal and noise reduction device for scrap steel sorting according to claim 5, characterized in that: The water spraying mechanism (5) includes: a water spray head (51) and an annular diffuser plate (52). The water spray head (51) is centrally located inside the middle cover (34). The nozzle of the water spray head (51) faces the annular diffuser plate (52). The annular diffuser plate (52) is inclined away from the water spray head (51) along the axial direction of the middle cover (34).

7. A dust removal and noise reduction device for scrap steel sorting according to claim 6, characterized in that: The middle cover (34) is provided with a swirling mechanism (6). The swirling mechanism (6) is located on the side of the annular diffuser plate (52) away from the spray head (51). The swirling mechanism (6) includes an annular mounting seat (61). The annular mounting seat (61) is installed on the inner side wall of the middle cover (34). The annular mounting seat (61) is provided with an annular groove (610). A set of guide plates (62) is provided in the annular groove (610). The set of guide plates (62) is evenly spaced along the circumference of the middle cover (34). A set of through holes (6100) is provided at the bottom of the annular groove (6100). The set of through holes (6100) corresponds to the set of guide plates (62) one by one.

8. The dust removal and noise reduction device for scrap steel sorting according to claim 7, characterized in that: The dust removal device (3) further includes: a set of inspection ports, which are respectively set on the outer side walls of the lower cover (33), the middle cover (34), and the upper cover (35). Each set of inspection ports is provided with a cover plate (7) on its outer side, and the cover plate (7) is detachably installed on the inspection port.

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