A construction waste sand and gravel separation device

Abstract

The invention discloses a construction waste sand and gravel separation device, comprising a frame, a separation box is arranged on the frame, a sand and gravel feeding hopper and a material guide channel are arranged at the upper end of the separation box, a magnetic separation mechanism and a material separation component are arranged at the lower end of the material outlet of the material guide channel, an iron waste discharge port is arranged on the separation box on the left side of the material separation component, a bellows is arranged on the top of the separation box on the right side of the material separation component, a dust chamber, a light and thin waste chamber and a sand and gravel separation chamber are arranged in the separation box, an inclined vibration plate is arranged in the separation chamber, a mesh section is arranged in the middle part of the vibration plate, a sand discharge chamber is arranged in the separation chamber at the lower end of the mesh section, the dust chamber and the sand discharge chamber are both connected to the dust collection box through a pipeline, the dust collection box is connected to the induced draft fan through a pipeline, and a hoist is arranged on the separation box at the lower end of the vibration plate. The invention has a simple structure and a reasonable design, can effectively separate dust, light and thin waste, iron waste, sand and stone, is easy to maintain, and has a low maintenance cost.

Description

Technical Field

[0001] The invention relates to a construction waste treatment device, in particular to a construction waste sand and gravel separation device. Background Art

[0002] Construction waste may be mixed with a small amount of lighter waste, iron waste, sand and stones. Iron waste, sand and stones can all be reused. Iron waste needs to be sorted out and reprocessed, and sand and stones also need to be sorted. Currently, sand separation devices are large in size, complex in structure, and have high maintenance costs. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a sand and gravel separation device which can automatically separate light and thin waste materials, iron waste materials, sand and stones in construction waste.

[0004] In order to achieve the above object, the present invention is implemented by the following technical solutions:

[0005] The present invention discloses a construction waste sand and gravel separation device, comprising a frame, a separation box is arranged on the frame, a sand and gravel feeding hopper is arranged at the upper end of the separation box, a material guide channel is arranged at the lower end of the sand and gravel feeding hopper, a magnetic separation mechanism is arranged in the separation box at the lower end of the material outlet of the material guide channel, an inclined plate in contact with the surface of the magnetic separation mechanism is arranged on the separation box, a material separation component is arranged in the separation box at the lower end of the magnetic separation mechanism, an iron waste discharge port is arranged on the separation box on the left side of the material separation component, a bellows is arranged on the top of the separation box on the right side of the material separation component, and a dust chamber, a light and thin waste chamber are arranged in the separation box at the lower end of the material separation component. The dust chamber and the sand and gravel separation chamber are separated by a baffle, two cutting rollers with blades are arranged in the light and thin waste chamber, mesh holes for dust to pass through are arranged on the baffle at the upper end of the cutting roller, an inclined vibrating plate is arranged in the separation chamber, a mesh section is arranged in the middle part of the vibrating plate, a sand discharge chamber is arranged in the separation chamber at the lower end of the mesh section, and the discharge port of the sand discharge chamber is arranged on the front side of the separation box, the dust chamber and the sand discharge chamber are connected with the dust collecting box through pipes, the dust collecting box is connected with the induced draft fan through pipes, and a hoist is arranged on the separation box at the lower end of the vibrating plate.

[0006] A further improvement of the present invention is that three inclined material guide plates are arranged in the material guide channel, namely the first material guide plate, the second material guide plate and the third material guide plate, the first material guide plate and the second material guide plate are arranged on two opposite inner walls of the material guide channel, the third material guide plate is arranged on the inner wall of the material guide channel at the lower end of the first material guide plate, and the second material guide plate and the third guide plate form a material outlet of the material guide channel.

[0007] A further improvement of the present invention is that a telescopic baffle is arranged at the lower end of the first material guide plate, and the telescopic baffle is driven to extend and retract by an electric push rod at the lower end of the first material guide plate.

[0008] A further improvement of the present invention is that a light and thin waste discharge port is provided at the lower end of the light and thin waste chamber.

[0009] A further improvement of the present invention is that a light and thin waste discharge port is provided at the lower end of the light and thin waste chamber.

[0010] A further improvement of the present invention is that a dust discharge port is arranged at the lower end of the dust chamber, and a valve is arranged at the dust discharge port.

[0011] A further improvement of the present invention is that the magnetic separation mechanism includes a magnetic separation drum, a fixed shaft is arranged inside the magnetic separation drum, a permanent magnet is fixed on the fixed shaft, port supports are arranged at both ends of the magnetic separation drum, end cover plates 33 are fixed on the port supports by several screws, a cylinder is arranged in the middle position of the end cover plate 33, both ends of the fixed shaft pass through the outside of the magnetic separation drum from the cylinder, bearings are arranged on the fixed shaft inside the cylinder, a gear plate is fixed at the outer port of the cylinder, the gear plates on both sides of the magnetic separation drum are respectively meshed with the driving gear and the driven gear, the driving gear is driven to rotate by the electrode, the driven gear is installed on the driven gear mounting bracket, the motor driving the driving gear to rotate is arranged on the fixed bracket at the end of the fixed shaft, the driven gear mounting bracket is arranged on the inner side of the fixed bracket at the end of the fixed shaft at the other end of the fixed shaft, and the fixed bracket at the end of the fixed shaft and the driven gear mounting bracket are both fixed on the side wall of the separation box.

[0012] The beneficial effects of the present invention are as follows: the present invention classifies iron waste through a magnetic separation mechanism, blows air to the construction waste falling from the material separation component through several fans in the bellows, and plastic, broken nets and other light and thin waste fall into the light and thin waste cavity due to the baffle, and the two cutting rollers rotate in the opposite direction to cut the light and thin waste, and the cut fragments are discharged from the light and thin waste discharge port. Dust passes through the mesh on the baffle and enters the dust cavity, large particles of dust fall into the dust cavity, and small particles of dust enter the dust collection box, and the valve at the lower end of the dust cavity is opened to discharge the dust. The telescopic baffle at the lower end of the first guide plate can control the amount of garbage entering by telescoping, and can also place stones stuck in the guide channel where the first guide plate is located. The sand discharge cavity is connected to the dust collection box through a pipeline, and can effectively collect the dust raised in the sand discharge cavity to avoid excessive dust in the sand affecting the use. The present invention can effectively separate dust, light and thin waste, iron waste, sand and stones.

[0013] The invention has a simple structure and a reasonable design, can effectively separate dust, light and thin waste materials, iron waste materials, sand and stones, is easy to maintain and has a low maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the magnetic separation mechanism.

[0016] Among them: 1-separation box, 2-material guide channel, 21-first material guide plate, 22-second material guide plate, 23-third material guide plate, 24-telescopic baffle, 3-magnetic separation mechanism, 31-magnetic separation drum, 32-fixed shaft, 33-end cover plate, 34-port support, 35-gear plate, 36-fixed bracket at the end of the fixed shaft, 4-inclined plate, 5-material dividing component, 6-bellows, 7-dust chamber, 8-light and thin waste chamber, 9-baffle, 10-cutting roller, 11-sand and gravel separation chamber, 12-vibration plate, 13-sand discharge chamber, 14-dust collection box, 15-elevator. DETAILED DESCRIPTION

[0017] In order to enhance the understanding of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.

[0018] like Figure 1 As shown, the present invention is a construction waste sand and gravel separation device, including a frame, a separation box 1 is arranged on the frame, a sand and gravel feeding hopper is arranged at the upper end of the separation box 1, a material guide channel 2 is arranged at the lower end of the sand and gravel feeding hopper, a magnetic separation mechanism 3 is arranged in the separation box 1 at the lower end of the discharge port of the material guide channel 2, an inclined plate 4 in contact with the surface of the magnetic separation mechanism 3 is arranged on the separation box 1, a material separation component 5 is arranged in the separation box 1 at the lower end of the magnetic separation mechanism 3, an iron waste discharge port is arranged on the separation box 1 on the left side of the material separation component 5, a bellows 6 is arranged on the top of the separation box 1 on the right side of the material separation component 5, a dust chamber 7, a light waste chamber 8 and a sand and gravel separation chamber 11 are arranged in the separation box 1 at the lower end of the material separation component 5, the dust chamber 7 is separated from the light waste chamber 8 by a baffle 9, two cutting rollers 10 with blades are arranged in the light waste chamber 8, a light waste discharge port is arranged at the lower end of the light waste chamber 8, and a cutting roller 11 is arranged on the cutting roller 10. A mesh hole for dust to pass through is provided on the baffle plate 9 at the upper end of 10, and an air duct inclined toward the upper end of the light and thin waste chamber 8 is provided at the lower end of the bellows 6. The wind blown out from the fan in the bellows 6 passes through the air duct and blows toward the construction waste falling from the material distribution component, and blows the dust and light and thin waste into the dust chamber 7 and the light and thin waste chamber 8. A dust discharge port is provided at the lower end of the dust chamber 7, and a valve is provided at the dust discharge port, and the dust in the dust chamber 7 is discharged through the valve. An inclined vibration plate 12 is provided in the separation chamber 11, and a mesh section is provided in the middle part of the vibration plate 12. A sand discharge chamber 13 is provided in the separation chamber 11 at the lower end of the mesh section, and the discharge port of the sand discharge chamber 13 is provided on the front side of the separation box 1. The dust chamber 7 and the sand discharge chamber 13 are both connected to the dust collection box 14 through a pipeline, and the dust collection box 14 is connected to the induced draft fan through a pipeline. A hoist 15 is provided on the separation box 1 at the lower end of the vibration plate 12.

[0019] Three inclined guide plates are arranged in the guide channel 2, namely the first guide plate 21, the second guide plate 22 and the third guide plate 23. The first guide plate 21 and the second guide plate 22 are arranged on two opposite inner walls of the guide channel 2, and the third guide plate 23 is arranged on the inner wall of the guide channel 2 at the lower end of the first guide plate 21. The second guide plate 22 and the third guide plate form the discharge port of the guide channel 2. A telescopic baffle 24 is arranged at the lower end of the first guide plate 21, and the telescopic baffle 24 is driven to extend and retract by the electric push rod at the lower end of the first guide plate 21. The telescopic baffle 24 can control the amount of construction waste entering by extending and retracting, and can also prevent larger stones from getting stuck at the entrance of the guide channel 2 where the telescopic baffle 24 is located.

[0020] The magnetic separation mechanism 3 includes a magnetic separation drum 31, a fixed shaft 32 is arranged inside the magnetic separation drum 31, a permanent magnet is fixed on the fixed shaft 32, port supports 34 are arranged at both ends of the magnetic separation drum 31, an end cover plate 33 is fixed on the port support plate 34 by several screws, a cylinder is arranged in the middle of the end cover plate 33, both ends of the fixed shaft 32 pass through the outside of the magnetic separation drum 31 from the cylinder, a bearing is arranged on the fixed shaft 32 in the cylinder, a gear plate 35 is fixed to the outer port of the cylinder, and the gear plate 35 is fixed to the cylinder port by a flange to realize the gear The plate 35 is removable, and a sealed bearing is provided between the outer side of the cylinder and the wall of the separation box. The gear plates 35 on both sides of the magnetic separation drum 31 are respectively meshed with the driving gear and the driven gear. The driving gear is driven to rotate by the electrode, and the driven gear is installed on the driven gear mounting bracket. The motor driving the driving gear to rotate is arranged on the fixed shaft end fixed bracket 36, and the driven gear mounting bracket is arranged on the inner side of the fixed shaft end fixed bracket 36 at the other end of the fixed shaft 32. The fixed shaft end fixed bracket 36 and the driven gear mounting bracket are both fixed on the side wall of the separation box 1. The port support 34 is welded and fixed to the inner wall of the magnetic separation drum 31, and the cross section of the port support 34 is V-shaped. Several corresponding threaded holes are provided on the port support 34 and the end cover plate 33. The end cover plate 33 is fixed to the port support 34 by screws, so that the end cover plate 33 can be removable for easy maintenance.

[0021] The invention has a simple structure and a reasonable design, can effectively separate dust, light and thin waste materials, iron waste materials, sand and stones, is easy to maintain and has a low maintenance cost.

Claims

1. A construction waste sand and gravel separation device, comprising a frame, characterized in that: A separation box (1) is arranged on the frame, a sand and gravel feed hopper is arranged at the upper end of the separation box (1), a material guide channel (2) is arranged at the lower end of the sand and gravel feed hopper, a magnetic separation mechanism (3) is arranged in the separation box (1) at the lower end of the discharge port of the material guide channel (2), an inclined plate (4) in contact with the surface of the magnetic separation mechanism (3) is arranged on the separation box (1), a material separation component (5) is arranged in the separation box (1) at the lower end of the magnetic separation mechanism (3), an iron waste discharge port is arranged on the separation box (1) on the left side of the material separation component (5), a wind box (6) is arranged on the top of the separation box (1) on the right side of the material separation component (5), and a dust chamber (7), a light waste chamber (8) and a sand and gravel separation chamber (11) are arranged in the separation box (1) at the lower end of the material separation component (5), the dust chamber (7) The light waste chamber (8) is separated from the light waste chamber (8) by a baffle (9), two cutting rollers (10) with blades are arranged in the light waste chamber (8), mesh holes for dust to pass through are arranged on the baffle (9) at the upper end of the cutting rollers (10), an inclined vibration plate (12) is arranged in the separation chamber (11), a mesh section is arranged in the middle part of the vibration plate (12), a sand discharge chamber (13) is arranged in the separation chamber (11) at the lower end of the mesh section, and the discharge port of the sand discharge chamber (13) is arranged on the front side of the separation box (1), the dust chamber (7) and the sand discharge chamber (13) are both connected to the dust collection box (14) through pipelines, the dust collection box (14) is connected to the induced draft fan through pipelines, and a hoist (15) is arranged on the separation box (1) at the lower end of the vibration plate (12); The magnetic separation mechanism (3) comprises a magnetic separation drum (31), a fixed shaft (32) is arranged inside the magnetic separation drum (31), a permanent magnet is fixed on the fixed shaft (32), port supports (34) are arranged at both ends of the magnetic separation drum (31), an end cover plate (33) is fixed to the port support plate (34) by means of a plurality of screws, a cylinder is arranged in the middle of the end cover plate (33), both ends of the fixed shaft (32) pass through the outside of the magnetic separation drum (31) from the cylinder, a bearing is arranged on the fixed shaft (32) inside the cylinder, and a bearing is arranged on the port outside the cylinder. A gear plate (35) is fixed thereto. The gear plates (35) on both sides of the magnetic separation drum (31) are respectively meshed with a driving gear and a driven gear. The driving gear is driven to rotate by an electrode. The driven gear is mounted on a driven gear mounting bracket. A motor driving the driving gear to rotate is arranged on a fixed shaft end fixed bracket (36). The driven gear mounting bracket is arranged on the inner side of the fixed shaft end fixed bracket (36) at the other end of the fixed shaft (32). The fixed shaft end fixed bracket (36) and the driven gear mounting bracket are both fixed to the side wall of the separation box (1). An air duct inclined toward the upper end of the light and thin waste cavity (8) is provided at the lower end of the wind box (6), and a fan is provided in the wind box.

2. A construction waste sand and gravel separation device according to claim 1, characterized in that: Three inclined material guide plates are arranged in the material guide channel (2), namely a first material guide plate (21), a second material guide plate (22) and a third material guide plate (23); the first material guide plate (21) and the second material guide plate (22) are arranged on two opposite inner walls of the material guide channel (2); the third material guide plate (23) is arranged on the inner wall of the material guide channel (2) at the lower end of the first material guide plate (21); the second material guide plate (22) and the third material guide plate form a material outlet of the material guide channel (2).

3. The construction waste sand and gravel separation device according to claim 2 is characterized by: A telescopic baffle (24) is provided at the lower end of the first material guide plate (21), and the telescopic baffle (24) is driven to extend and retract by an electric push rod at the lower end of the first material guide plate (21).

4. The construction waste sand and gravel separation device according to claim 1, characterized in that: A light waste discharge port is provided at the lower end of the light waste chamber (8).

5. The construction waste sand and gravel separation device according to claim 1, characterized in that: A dust discharge outlet is provided at the lower end of the dust chamber (7), and a valve is provided at the dust discharge outlet.

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