A cutting device for an industrial waste recycling system and a dust removal device thereof

Abstract

The application discloses a cutting device for an industrial waste recycling system, which comprises a rack, a cutting chamber and a dust removal device, opposite ends of the cutting chamber are provided with passage openings, the dust removal device comprises a fan, a dust suction pipe, a first filter device, an air outlet pipe and a second filter device, the fan comprises an impeller and a volute, characterized in that the impeller comprises a first impeller part and a second impeller part, the first impeller part is formed as a whole, the second impeller part is formed as a whole, the second impeller part is installed on the radial inner side of the first impeller part, and the axial position of the second impeller part relative to the first impeller part is rotatably adjusted. The application can adjust the air volume and air pressure of the centrifugal fan, adapt to more working condition requirements, and improve the dust removal efficiency of the fan.

Description

Technical Field

[0001] This invention relates to the field of industrial waste recycling systems, and more specifically to a cutting device and a dust removal device for an industrial waste recycling system. Background Technology

[0002] Existing cutting devices for industrial waste recycling systems include a frame, a cutting chamber, and a dust collection device. The cutting chamber is located at the top of the frame, and the dust collection device is located at the bottom. The cutting chamber contains a cutting mechanism and one or more nozzles, and a collection hopper is located at the bottom of the cutting chamber. The dust collection device includes a fan, a suction pipe, and a filter. The fan is a centrifugal fan, which includes an impeller and a volute, with the impeller rotatably mounted inside the volute. However, existing dust collection fans still suffer from poor adjustability of air volume and pressure, significant flow loss, and low dust collection efficiency. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a cutting device and a dust removal device for an industrial waste recycling system. Through the structural design of the impeller of the dust removal device, the axial position of the second impeller (which is integrated) relative to the first impeller (which is integrated) can be rotatably adjusted by thread adjustment. This allows adjustment of the circumferential relative angle and axial relative position of the third blade relative to the first blade, thereby adjusting the air volume and air pressure of the centrifugal fan to adapt to more working conditions and improve the dust removal efficiency of the fan.

[0004] This invention, through the design of slots and small auxiliary wings, can reduce turbulence between the third blade and the first and second blades, reduce flow loss, thereby increasing the air volume and air pressure of the centrifugal fan, reducing noise, and improving the dust removal efficiency of the fan.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A cutting device for an industrial waste recycling system includes a frame (1), a cutting chamber (2), and a dust removal device. The upper part of the frame is equipped with the cutting chamber, and the lower part of the frame is equipped with the dust removal device. The cutting chamber is equipped with a cutting mechanism and one or more nozzles (4). The two opposite ends of the cutting chamber are provided with passage openings (3), and shielding doors are installed on the passage openings. The bottom of the cutting chamber is equipped with a collection hopper (10). The dust removal device includes a fan (5), a suction pipe (6), a first filter device (7), an exhaust pipe (8), and a second filter device (9). The fan has an inlet... The air duct is connected to the first filter device, and the other end of the first filter device is connected to the dust collection hood on the top of the cutting chamber through the dust suction pipe. The air outlet pipe of the fan is connected to the second filter device. The fan (5) is a centrifugal fan. The fan includes an impeller and a volute. The impeller is rotatably installed in the volute. The impeller is characterized in that: the impeller includes a first impeller part and a second impeller part. The first impeller part is formed as a whole, the second impeller part is formed as a whole, and the second impeller part is installed on the radial inner side of the first impeller part. The axial position of the second impeller part relative to the first impeller part is rotatably adjustable.

[0007] Furthermore, the first impeller portion includes a front cover plate (51), a first inlet ring (511), a rear cover plate (52), a first rear cylinder ring (521), a first blade (53), and a second blade (54). Multiple first blades and second blades are arranged alternately and connected between the first blades and the second blades in the circumferential direction. The inlet end of the front cover plate is provided with a first inlet ring, and the rear side of the rear cover plate is provided with a first rear cylinder ring.

[0008] Furthermore, the second impeller portion includes a hub (55), a second rear cylinder ring (551), a third blade (56), and a second inlet ring (57). Multiple third blades are distributed circumferentially and connected between the second inlet ring and the hub. The inlet end of the third blade is connected to the second inlet ring. The rear side of the hub is provided with a second rear cylinder ring. The second rear cylinder ring is threadedly connected to the first rear cylinder ring and its position can be adjusted axially relative to each other. The second inlet ring is threadedly connected to the first inlet ring and its position can be adjusted axially relative to each other.

[0009] Furthermore, the second rear cylinder ring (551) has a first external thread, the first rear cylinder ring (521) has a first internal thread that mates with the first external thread, the second inlet ring (57) has a second external thread, and the first inlet ring (511) has a second internal thread that mates with the second external thread; one or more second adjusting locking rings (60) abut against the outer side of the second rear cylinder ring, the second adjusting locking rings are threadedly connected to the first rear cylinder ring, and the second adjusting locking rings are threadedly connected inside the first rear cylinder ring; one or more first adjusting locking rings (58) abut against the outer side of the second inlet ring, the first adjusting locking rings are threadedly connected to the first inlet ring, and the first adjusting locking rings are threadedly connected inside the first inlet ring; the axial position of the second impeller relative to the first impeller is rotatably adjustable by thread adjustment.

[0010] Furthermore, the axial thicknesses of the multiple first adjusting locking rings (58) are different, the axial thicknesses of the multiple second adjusting locking rings (60) are different, and the installation positions of the first adjusting locking rings and the second adjusting locking rings can be interchanged and combined.

[0011] Furthermore, a slot (531) is provided on the radial inner side of the first blade (53), and a small auxiliary wing (532) is provided on the radial outer side of the third blade (56). The small auxiliary wing is axially movable and circumferentially rotatable in the slot.

[0012] Furthermore, the slot (531) is located near the rear cover plate (52), and one side of the slot is flush with one side of the rear cover plate. The cross-sectional projection of the slot is roughly rectangular, and the cross-sectional projection of the small auxiliary wing is roughly rectangular. Except that the third blade (56) of the small auxiliary wing has an outer diameter that is roughly the same as that of the second rear cylinder ring (551) and the second inlet ring (57), the outer diameter of the slot is smaller than the inner diameter of the second blade (54).

[0013] Furthermore, the cutting device is set on one side of the conveyor line of the industrial waste recycling system or the conveyor line of the industrial waste recycling system passes through the cutting chamber (2) through the channel opening (3). The nozzle (4) is used to spray liquid and / or gas. The sprayed liquid is used to clean the cut object, and the sprayed gas is used to blow away dust. The collection hopper (10) is connected to the collection box through a pipe.

[0014] This invention discloses a cutting device and its dust removal device for an industrial waste recycling system. Through the structural design of the impeller of the dust removal device, the axial position of the second impeller section (forming a single unit) relative to the first impeller section (forming a single unit) can be rotatably adjusted via a threaded adjustment. This allows adjustment of the circumferential relative angle and axial relative position of the third blade relative to the first blade, thereby adjusting the airflow and air pressure of the centrifugal fan to adapt to more operating conditions and improve the dust removal efficiency of the fan. The invention, through the design of the slot and small auxiliary wing, reduces turbulence between the third blade and the first and second blades, reducing flow loss, thereby increasing the airflow and air pressure of the centrifugal fan, reducing noise, and improving the dust removal efficiency of the fan. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the cutting device structure for an industrial waste recycling system according to the present invention;

[0016] Figure 2 This is a schematic diagram of the fan impeller of the dust removal device of the present invention in the first adjustment position;

[0017] Figure 3 This is a schematic diagram of the fan impeller in the second adjustment position of the dust removal device of the present invention.

[0018] In the diagram: 1. Frame; 2. Cutting chamber; 3. Channel opening; 4. Nozzle; 5. Fan; 6. Suction pipe; 7. First filter device; 8. Air outlet pipe; 9. Second filter device; 10. Collection hopper; 51. Front cover plate; 51. First inlet ring; 511. Rear cover plate; 52. First rear cylinder ring; 521. First blade; 53. Groove; 531. Small auxiliary wing; 532. Second blade; 54. Hub; 55. Second rear cylinder ring; 551. Third blade; 56. Second inlet ring; 57. First adjusting locking ring; 58, 59. Second adjusting locking ring; 60. Detailed Implementation

[0019] To make the technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in a clearer and more complete manner below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some embodiments of the present invention, and are only used to explain the present invention, not to limit the present invention. It should be noted that, for ease of description, only the parts / structures related to the present invention are shown in the accompanying drawings. Other related parts can be referred to with ordinary design. In the absence of conflict, the embodiments and technical features in the embodiments of the present invention can be combined with each other to obtain new embodiments.

[0020] Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this invention. Furthermore, unless otherwise defined, the technical or scientific terms used in the description of this invention should have the ordinary meaning understood by those skilled in the art.

[0021] The present invention will now be described in further detail with reference to the accompanying drawings.

[0022] like Figure 1-3 As shown, a cutting device for an industrial waste recycling system includes a frame 1, a cutting chamber 2, and a dust removal device. The cutting chamber 2 is located on the upper part of the frame 1, and the dust removal device is located on the lower part of the frame 1. The cutting chamber 2 contains a cutting mechanism and one or more nozzles 4. Access ports 3 are located at opposite ends of the cutting chamber 2, and shielding doors / windows are installed on the access ports 3. A collection hopper 10 is located at the bottom of the cutting chamber 2, and the collection hopper 10 is connected to a collection box via a pipe. The cutting device is located on one side of the conveyor line of the industrial waste recycling system. The conveyor line of the nearby or industrial waste recycling system passes through the channel 3 through the cutting chamber 2. The nozzle 4 is used to spray liquid and / or gas. The liquid is sprayed to clean the cut object, and the gas is sprayed to blow away dust. The dust removal device includes a fan 5, a suction pipe 6, a first filter device 7, an exhaust pipe 8, and a second filter device 9. The air inlet pipe of the fan 5 is connected to the first filter device 7. The other end of the first filter device 7 is connected to the dust collection hood on the top of the cutting chamber 2 through the suction pipe 6. The air outlet pipe 8 of the fan 5 is connected to the second filter device 9.

[0023] like Figure 2-3 As shown, the fan 5 is a centrifugal fan. The fan 5 includes an impeller and a volute. The impeller is rotatably installed in the volute. The impeller includes a first impeller section and a second impeller section. The first impeller section is formed as a whole, and the second impeller section is formed as a whole. The second impeller section is installed on the radially inner side of the first impeller section. The axial position of the second impeller section relative to the first impeller section is rotatably adjustable.

[0024] The first impeller section includes a front cover plate 51, a first inlet ring 511, a rear cover plate 52, a first rear cylinder ring 521, a first blade 53, and a second blade 54. Multiple first blades 53 and second blades 54 are arranged alternately and intermittently along the circumference and connected between the first blades 53 and the second blades 54. The inlet end of the front cover plate 51 is provided with the first inlet ring 511, and the rear side of the rear cover plate 52 is provided with the first rear cylinder ring 521.

[0025] The second impeller section includes a hub 55, a second rear cylinder ring 551, a third blade 56, and a second inlet ring 57. Multiple third blades 56 are circumferentially distributed and connected between the second inlet ring 57 and the hub 55. The inlet end of the third blade 56 is connected to the second inlet ring 57. The rear side of the hub 55 is provided with the second rear cylinder ring 551. The second rear cylinder ring 551 is threadedly connected to the first rear cylinder ring 521 and its position can be adjusted axially relative to each other. The second inlet ring 57 is threadedly connected to the first inlet ring 511 and its position can be adjusted axially relative to each other.

[0026] The second rear cylinder ring 551 has a first external thread, the first rear cylinder ring 521 has a first internal thread that mates with the first external thread, the second inlet ring 57 has a second external thread, and the first inlet ring 511 has a second internal thread that mates with the second external thread. One or more second adjusting locking rings 60 abut against the outer side of the second rear cylinder ring 551, and the second adjusting locking rings 60 are threadedly connected to the first rear cylinder ring 521, with the second adjusting locking rings 60 threadedly connected inside the first rear cylinder ring 521. One or more first adjusting locking rings 58 and 59 abut against the outer side of the second inlet ring 57, and the first adjusting locking rings 58 and 59 are threadedly connected to the first inlet ring 511, with the first adjusting locking rings 58 and 59 threadedly connected inside the first inlet ring 511. The axial position of the second impeller relative to the first impeller is rotatably adjustable via threaded adjustment.

[0027] The present invention discloses a cutting device and a dust removal device for an industrial waste recycling system. Through the structural design of the impeller of the dust removal device, the axial position of the second impeller (as a whole) relative to the first impeller (as a whole) can be rotatably adjusted by thread adjustment. This allows adjustment of the circumferential relative angle and axial relative position of the third blade 56 relative to the first blade 53, thereby adjusting the air volume and air pressure of the centrifugal fan to adapt to more working conditions and improve the dust removal efficiency of the fan.

[0028] In one embodiment, the axial thicknesses of the plurality of first adjusting locking rings 58, 59 are different, the axial thicknesses of the plurality of second adjusting locking rings 60 are different, and the installation positions of the first adjusting locking rings 58, 59 and the second adjusting locking rings 60 can be interchanged and combined.

[0029] Furthermore, a slot 531 is provided on the radially inner side of the first blade 53, and a small auxiliary wing 532 is provided on the radially outer side of the third blade 56. The small auxiliary wing 532 is axially movable and circumferentially rotatable in the slot 531.

[0030] The slot 531 is located adjacent to the rear cover plate 52, and one side of the slot 531 is flush with one side of the rear cover plate 52. The cross-sectional projection of the slot 531 is roughly rectangular, and the cross-sectional projection of the small auxiliary wing 532 is roughly rectangular. Except that the third blade 56 of the small auxiliary wing 532 has an outer diameter that is roughly the same as that of the second rear cylinder ring 551 and the second inlet ring 57, the outer diameter of the slot 531 is smaller than the inner diameter of the second blade 54.

[0031] The present invention, through the design of slot 531 and small auxiliary wing 532, can reduce turbulence between the third blade 56 and the first blade 53 and the second blade 54, reduce flow loss, thereby increasing the air volume and air pressure of the centrifugal fan, reducing noise, and improving the dust removal efficiency of the fan.

[0032] The present invention discloses a cutting device and a dust removal device for an industrial waste recycling system. Through the structural design of the impeller of the dust removal device, the axial position of the second impeller (forming a whole) relative to the first impeller (forming a whole) can be rotatably adjusted by thread adjustment. The circumferential relative angle and axial relative position of the third blade relative to the first blade can be adjusted, thereby adjusting the air volume and air pressure of the centrifugal fan, adapting to more working conditions, and improving the dust removal efficiency of the fan.

[0033] This invention, through the design of slots and small auxiliary wings, can reduce turbulence between the third blade and the first and second blades, reduce flow loss, thereby increasing the air volume and air pressure of the centrifugal fan, reducing noise, and improving the dust removal efficiency of the fan.

[0034] The above embodiments are illustrative of the present invention and not intended to limit the invention. It is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting device for an industrial waste recycling system, comprising a frame (1), a cutting chamber (2), and a dust removal device, wherein the upper part of the frame is provided with the cutting chamber, the lower part of the frame is provided with the dust removal device, the cutting chamber is provided with a cutting mechanism and one or more nozzles (4), the opposite ends of the cutting chamber are provided with passage openings (3), the passage openings are provided with shielding doors, and the bottom of the cutting chamber is provided with a collection hopper (10); the dust removal device comprises a fan (5), a suction pipe (6), a first filter device (7), an outlet pipe (8), and a second filter device (9), the inlet pipe of the fan is connected to the first filter device, the other end of the first filter device is connected to the dust collection hood on the top of the cutting chamber through the suction pipe, and the outlet pipe of the fan is connected to the second filter device; the fan (5) is a centrifugal fan, the fan comprises an impeller and a volute, the impeller being rotatably installed in the volute; characterized in that: The impeller includes a first impeller section and a second impeller section. The first impeller section is formed as a whole, the second impeller section is formed as a whole, and the second impeller section is mounted on the radially inner side of the first impeller section. The axial position of the second impeller section relative to the first impeller section is rotatably adjustable. The first impeller section includes a front cover plate (51), a first inlet ring (511), a rear cover plate (52), a first rear cylinder ring (521), a first blade (53), and a second blade (54). Multiple first blades and second blades are arranged alternately and connected between the front cover plate and the rear cover plate in a circumferential direction. The inlet end of the front cover plate is provided with a first inlet ring, and the rear side of the rear cover plate is provided with a first rear cylinder ring. The second impeller section includes a hub (55), a second rear cylinder ring (551), a third blade (56), and a second inlet ring (57). Multiple third blades are arranged circumferentially and connected between the second inlet ring and the hub. The inlet end of the third blade is connected to the second inlet ring, and the rear side of the hub is provided with a second rear cylinder ring. The first blade (53) has a slot (531) on its radial inner side, and the third blade (56) has a small auxiliary wing (532) on its radial outer side. The small auxiliary wing (532) is axially movable and circumferentially rotatable in the slot (531). The slot (531) is located near the rear cover plate (52), and one side of the slot (531) is flush with one side of the rear cover plate (52). The cross-sectional projection of the slot (531) is rectangular, and the cross-sectional projection of the small auxiliary wing (532) is rectangular. The third blade (56) other than the small auxiliary wing has the same outer diameter as the second rear cylinder ring (551) and the second inlet ring (57). The outer diameter of the slot is smaller than the inner diameter of the second blade (54). The second rear cylinder ring (551) is threadedly connected to the first rear cylinder ring (521) and its position can be adjusted axially relative to each other; the second inlet ring (57) is threadedly connected to the first inlet ring (511) and its position can be adjusted axially relative to each other. The second rear cylinder ring (551) has a first external thread, the first rear cylinder ring (521) has a first internal thread that mates with the first external thread, the second inlet ring (57) has a second external thread, and the first inlet ring (511) has a second internal thread that mates with the second external thread; one or more second adjusting locking rings (60) abut against the outer side of the second rear cylinder ring (551), the second adjusting locking rings (60) are threadedly connected to the first rear cylinder ring (521) and located inside the first rear cylinder ring (521), one or more first adjusting locking rings (58) abut against the outer side of the second inlet ring, the first adjusting locking rings are threadedly connected to the first inlet ring and located inside the first inlet ring (511), and the axial position of the second impeller relative to the first impeller is rotatably adjustable by thread adjustment. The axial thickness of the multiple first adjusting locking rings (58) is different, the axial thickness of the multiple second adjusting locking rings (60) is different, and the installation positions of the first adjusting locking rings and the second adjusting locking rings can be interchanged and combined.

2. The cutting device for an industrial waste recycling system as described in claim 1, characterized in that, The cutting device is set on one side of the conveyor line of the industrial waste recycling system or the conveyor line of the industrial waste recycling system passes through the cutting chamber (2) through the channel (3). The nozzle (4) is used to spray liquid or gas. The sprayed liquid is used to clean the cut object, and the sprayed gas is used to blow away dust. The collection hopper (10) is connected to the collection box through a pipe.

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