CN116351691A - A recycling aggregate separation device for construction waste - Google Patents

Abstract

The invention discloses a recycled aggregate separation device for construction waste, comprising a first system, the first system is connected with a second system, and the second system is connected with a separation system, the recycled aggregate separation device for construction waste The device transmits the crushed non-magnetic material to the third drum through the second conveyor belt, and by adjusting the rotation of the first drum, the first drum drives the second drum and the third drum to rotate, so that the crushed non-magnetic material first passes through the third drum. The second sieve on the third drum is sieved to allow the fine aggregate and fine powder to pass through, the fine aggregate and fine powder enter the inner wall of the second drum, and sieve through the first sieve to allow the fine powder to pass through the inner wall of the first drum, thus completing For the screening of fine powder, coarse aggregate and fine aggregate, and the first drum, the second drum and the third drum are all rotating, so as to avoid the material from being stuck on the first screen hole and the second screen hole, thus ensuring The normal sieving efficiency is guaranteed, and the sieve hole blockage of the traditional vibrating sieve is avoided.

Description

Recycled aggregate separation device for construction waste

technical field

The invention relates to the technical field of construction waste treatment equipment, in particular to a recycled aggregate separation device for construction waste.

Background technique

With the rapid development of cities, the construction industry is also developing rapidly, which not only consumes a lot of natural resources, but also produces large-scale construction waste. At present, most of the construction waste is processed by crushing and screening the recycled aggregate of construction waste. Get metals in aggregate, fine powder, fine aggregate and coarse aggregate.

The existing Chinese utility model patent with the authorized announcement number CN217450992U discloses a separation device for recycled aggregates from construction waste, which combines magnetic separation with winnowing to improve the separation rate of recycled aggregates from construction waste, and can recycle fine powder at one time , Coarse aggregate and fine aggregate, improve efficiency, and can be recycled.

However, although the equipment can screen fine powder, coarse aggregate and fine aggregate through the action of vibrating screen and fan, the vibrating screen in this device is set horizontally, during which materials are easy to fall on the screen hole or get stuck in the screen hole The sieve hole of the recycled aggregate slurry is blocked, which will reduce the screening efficiency, and the fan cannot dredge the sieve hole.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a recycled aggregate separation device that ensures normal screening efficiency and avoids construction waste that is clogged with screen holes.

In order to solve the above technical problems, the present invention provides the following technical solutions: a recycled aggregate separation device for construction waste, including a first system, the first system is connected to a second system, and the second system is connected to a separation system, The separation system includes:

Chassis;

The first roller is installed on the bottom frame for tilting and rotating;

The second drum is located inside the first drum, and its outer wall is provided with a plurality of first sieve holes in a circular equidistant manner along the central axis direction;

The third drum is arranged inside the second drum, and its outer wall is provided with a plurality of second sieve holes in a circular equidistant manner along the central axis direction;

The connecting piece is arranged between the first roller and the second roller and between the second roller and the third roller, and is used for installing and supporting the second roller and the third roller;

Wherein, the pore size of the second sieve is larger than the pore size of the first sieve.

Preferably, the central axes of the second roller, the first roller and the third roller coincide.

Preferably, a first material guide frame is provided at the lower end of the first roller, a second material guide frame is provided at the lower end of the second roller, and a third material guide frame is provided at the lower end of the third roller. The material guide frame, the length of the third material guide frame is greater than the length of the second material guide frame, and the length of the second material guide frame is greater than the length of the first material guide frame.

Preferably, the size of the gap between the first material guide frame and the second material guide frame is not less than the size of the gap between the first roller and the second roller, and the gap between the second material guide frame and the third material guide frame The size of the gap between them is not smaller than the size of the gap between the second roller and the third roller.

Preferably, a cleaning mechanism is provided on one side of the outer wall of the second drum and the third drum for cleaning the first sieve hole and the second sieve hole.

Preferably, the cleaning mechanism includes a support rod, the support rod is arranged on one side of the chassis, a support plate is fixedly installed at one end of the support rod, two cleaning plates are fixedly installed on one side of the support plate, and the two cleaning plates The plates are respectively located between the first roller and the second roller and between the second roller and the third roller, and a number of bristle brushes are provided on the side close to the central axis, and the bristle brushes are respectively connected with the second roller and the third roller. contact with the outer wall of the drum.

Preferably, the first system includes a first jaw crusher, the top of the first jaw crusher is provided with a first feed port, and the discharge port of the first jaw crusher is provided with a first conveyor belt .

Preferably, the second system includes a magnetic separator, the top of the magnetic separator is provided with a second feeding port, one end of the first conveyor belt is arranged directly above the second feeding port, and the magnetic separator A second jaw crusher is provided at the discharge port, and a second conveyor belt is provided at the discharge port of the second jaw crusher, and one end of the second conveyor belt enters the higher end of the third drum.

Compared with prior art, the beneficial effect that the present invention can reach is:

The invention transmits the crushed non-magnetic substances to the third roller through the second conveyor belt, and by adjusting the rotation of the first roller, the first roller drives the second and third rollers to rotate, so that the crushed non-magnetic substances first pass through the third roller. The second sieve on the third drum is sieved to allow the fine aggregate and fine powder to pass through, the fine aggregate and fine powder enter the inner wall of the second drum, and sieve through the first sieve to allow the fine powder to pass through the inner wall of the first drum, thus completing For the screening of fine powder, coarse aggregate and fine aggregate, and the first drum, the second drum and the third drum are all rotating, and the first drum, the second drum and the third drum are in the first The material in the sieve hole and the second sieve hole will fall freely at a certain moment, thus avoiding the material being stuck on the first sieve hole and the second sieve hole, thus ensuring normal screening efficiency and avoiding traditional vibration When sieving, the sieve holes are clogged.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a structural schematic diagram of the first drum, the second drum, the third drum, the first screen hole, the second screen hole, the support plate and the cleaning plate of the present invention;

Fig. 3 is a schematic diagram of the first cross-sectional structure of Fig. 2 of the present invention;

Fig. 4 is a schematic diagram of the second cross-sectional structure of Fig. 2 of the present invention;

Among them: 1. Underframe; 2. The first drum; 3. The second drum; 4. The third drum; 5. The first screen hole; 6. The second screen hole; 7. The first material guide frame; 8. The second screen hole 2. Guide frame; 9. The third guide frame; 10. Connector; 11. Support rod; 12. Support plate; 13. Cleaning plate; 14. Hard brush; 15. The first jaw crusher; 16. 17. The first conveyor belt; 18. The magnetic separator; 19. The second feed port; 20. The second jaw crusher; 21. The second conveyor belt.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial sources.

Example:

As shown in Figure 1, the present invention provides a recycled aggregate separation device for construction waste, including a first system, and the first system is connected to a second system;

As shown in Figure 1, the first system includes a first jaw crusher 15, and the top of the first jaw crusher 15 is provided with a first feed port 16, which is convenient for adding construction waste regenerated bones to the first jaw crusher 15. material, so that the first jaw crusher 15 can carry out preliminary crushing of the recycled aggregate of construction waste. first conveyor belt 17;

As shown in Figure 1, the second system includes a magnetic separator 18 for separating non-magnetic substances and magnetic substances. The top of the magnetic separator 18 is provided with a second feeding port 19, and one end of the first conveyor belt 17 is located at the second feeding material. Directly above the port 19, the primary crushed recycled aggregate of construction waste is exported through the first conveyor belt 17 and then enters the magnetic separator 18 through the second feed port 19. The discharge port of the magnetic separator 18 is provided with a second jaw type crusher 20, so that the non-magnetic substances screened by the magnetic separator 18 enter the second jaw crusher 20, and the discharge port of the second jaw crusher 20 is provided with a second conveyor belt 21, and one end of the second conveyor belt 21 enters the second jaw crusher 20. The higher end of the third drum 4 is convenient to transfer the non-magnetic material after secondary crushing by the second jaw crusher 20 to the third drum 4 for screening through the second conveyor belt 21;

The specific structure and working principle of the above-mentioned first system and the second system have been described in a kind of separation equipment for construction waste recycled aggregate with the notification number CN217450992U, so I will not repeat them here;

As shown in Figure 1, the second system is connected with a separation system;

Specifically, as shown in Figures 1-4, the separation system includes an underframe 1, a first roller 2, a second roller 3, a third roller 4 and a connecting piece 10;

The first roller 2 is tilted and rotated on the underframe 1 (wherein, the underframe 1 is provided with a driving structure that drives the first roller 2 to rotate on the underframe 1, and this driving structure is a prior art, so it will not be described in detail here) ;

The second drum 3 is arranged inside the first drum 2, and its outer wall is provided with a plurality of first sieve holes 5 in a ring equidistant along the central axis direction, so that only fine powder can pass through;

The third drum 4 is arranged inside the second drum 3, and the outer wall is provided with a plurality of second sieve holes 6 in a ring equidistant along the central axis direction, so that only fine aggregate and fine powder can pass through;

The connecting piece 10 is provided between the first roller 2 and the second roller 3 and between the second roller 3 and the third roller 4, and is used for installing and supporting the second roller 3 and the third roller 4;

Wherein, the aperture size of the second sieve hole 6 is greater than the aperture size of the first sieve hole 5, so that the sieve can obtain micropowder, coarse aggregate and fine aggregate;

Among them, the fine powder falls on the inner wall of the first drum 2 through the first sieve hole 5 and the second sieve hole 6, the fine aggregate falls on the inner wall of the second drum 3 through the first sieve hole 5, and the coarse aggregate cannot pass through the first sieve. The hole 5 remains on the inner wall of the third drum 4;

During use, after the recycled aggregate of the construction waste is crushed and magnetically separated by the first system and the second system (this is the prior art), the crushed non-magnetic material is conveyed to the third drum 4 by the second conveyor belt 21, The driving mechanism on the bottom frame 1 drives the first drum 2 to rotate, and the first drum 2 drives the second drum 3 and the third drum 4 to rotate, so that the crushed non-magnetic substances first pass through the second screen hole on the third drum 4 6 Screening, so that the fine aggregate and fine powder pass through, the fine aggregate and fine powder enter the inner wall of the second drum 3, and sieve through the first sieve hole 5, so that the fine powder passes through and enter the inner wall of the first drum 2, thus completing the separation of fine powder and coarse powder. Screening of aggregate and fine aggregate, and the first drum 2, the second drum 3 and the third drum 4 are all rotating, and the first drum 2, the second drum 3 and the third drum 4 are in the process of rotating The materials in the first sieve hole 5 and the second sieve hole 6 will fall freely at a certain moment, thus avoiding the material from being stuck on the first sieve hole 5 and the second sieve hole 6, thereby ensuring normal screening efficiency , to avoid the clogging of the screen hole in the traditional vibrating screen.

As shown in Figures 2-4, the central axes of the second drum 3, the first drum 2 and the third drum 4 are coincident, which facilitates subsequent setting of the cleaning mechanism;

As shown in Figures 1 and 3, the lower end of the first roller 2 is provided with a first guide frame 7, the lower end of the second roller 3 is provided with a second guide frame 8, and the third roller 4 is located at a lower position. One end is provided with a third material guide frame 9, the length of the third material guide frame 9 is greater than the length of the second material guide frame 8, and the length of the second material guide frame 8 is greater than the length of the first material guide frame 7;

Guarantee micropowder, coarse aggregate and fine aggregate can be exported from the first material guide frame 7, the second material guide frame 8 and the 3rd material guide frame 9 respectively, and the first material guide frame 7, the second material guide frame 8 and the The third material guide frame 9 all has a certain distance, and a material receiving box can be respectively set at the discharge end of the first material guide frame 7, the second material guide frame 8 and the third material guide frame 9, so as to ensure that the first material guide frame The materials derived from the frame 7, the second material guide frame 8 and the third material guide frame 9 will not be mixed together;

The size of the gap between the first material guide frame 7 and the second material guide frame 8 is not less than the size of the gap between the first drum 2 and the second drum 3, and between the second material guide frame 8 and the third material guide frame 9 The size of the gap is not less than the size of the gap between the second drum 3 and the third drum 4, preventing the size of the gap between the first material guide frame 7 and the second material guide frame 8 and the size of the gap between the second material guide frame 8 and the third material guide frame. The gap between the material frames 9 is too small to affect the normal discharge efficiency;

As shown in Figures 1-4, a cleaning mechanism is provided on one side of the outer wall of the second drum 3 and the third drum 4 for cleaning the first screen holes 5 and the second screen holes 6, when the second drum 3 and the When the third drum 4 rotates and a small amount of material is stuck in the first sieve hole 5 and the second sieve hole 6 and cannot fall freely, the cleaning mechanism can be used to complete the cleaning of the first sieve hole 5 and the second sieve hole 6 ;

Specifically, the cleaning mechanism includes a support rod 11, the support rod 11 is arranged on one side of the chassis 1, one end of the support rod 11 is fixedly installed with a support plate 12, and one side of the support plate 12 is fixedly installed with two cleaning plates 13, and the two cleaning plates 13 are respectively Located between the first cylinder 2 and the second cylinder 3 and between the second cylinder 3 and the third cylinder 4, and near the central axis side are provided with some bristle brushes 14, the bristle brushes 14 are connected with the second cylinder 3 respectively. It is in contact with the outer wall of the third drum 4 and can extend into the first sieve hole 5 and the second sieve hole 6;

When the first drum 2, the second drum 3 and the third drum 4 rotated, since the bristle brushes 14 were in contact with the outer walls of the second drum 3 and the third drum 4 respectively and could extend into the first sieve holes 5 and the second sieve In the hole 6, so that when they rotate, the bristle brush 14 can complete the automatic cleaning work of the first sieve hole 5 and the second sieve hole 6, and avoid the material from being stuck in the first sieve hole 5 and the second sieve hole 6 Internally affects the screening efficiency.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. A recycled aggregate separation device for construction waste, comprising a first system, the first system being connected to a second system, characterized in that: the second system is connected to a separation system, and the separation system includes: chassis (1); The first roller (2) is arranged on the underframe (1) for tilting and rotating; The second drum (3) is arranged inside the first drum (2), and its outer wall is provided with a plurality of first sieve holes (5) in a circular equidistant manner along the central axis direction; The third drum (4) is located inside the second drum (3), and its outer wall is provided with a plurality of second sieve holes (6) in a circular equidistant manner along the central axis direction; The connecting piece (10) is arranged between the first roller (2) and the second roller (3) and between the second roller (3) and the third roller (4), and is used for installing and supporting the second roller (3) and the third drum (4); Wherein, the pore size of the second sieve hole (6) is larger than the pore size of the first sieve hole (5). 2. A recycling aggregate separation device for construction waste according to claim 1, characterized in that: the central axes of the second drum (3), the first drum (2) and the third drum (4) coincide . 3. A recycling aggregate separation device for construction waste according to claim 1, characterized in that: the lower end of the first drum (2) is provided with a first guide frame (7), and the second The lower end of the second cylinder (3) is provided with a second material guide frame (8), and the lower end of the third cylinder (4) is provided with a third material guide frame (9). The length of (9) is greater than the length of the second material guide frame (8), and the length of the second material guide frame (8) is greater than the length of the first material guide frame (7). 4. A recycling aggregate separation device for construction waste according to claim 3, characterized in that the gap between the first material guide frame (7) and the second material guide frame (8) is not less than The size of the gap between the first roller (2) and the second roller (3), the size of the gap between the second material guide frame (8) and the third material guide frame (9) is not less than the size of the second roller (3) ) and the size of the gap between the third roller (4). 5. A recycling aggregate separation device for construction waste according to claim 2, characterized in that: one side of the outer wall of the second drum (3) and the third drum (4) is provided with a cleaning mechanism for Clean up the first sieve hole (5) and the second sieve hole (6). 6. A recycling aggregate separation device for construction waste according to claim 5, characterized in that: the cleaning mechanism includes a support rod (11), and the support rod (11) is arranged on a bottom frame (1)- One end of the support rod (11) is fixedly installed with a support plate (12), and one side of the support plate (12) is fixedly installed with two cleaning plates (13), and the two cleaning plates (13) are respectively located on the first Between the cylinder (2) and the second cylinder (3) and between the second cylinder (3) and the third cylinder (4), and near the central axis side, some hard brushes (14) are arranged. The brushes (14) are in contact with the outer walls of the second cylinder (3) and the third cylinder (4) respectively. 7. The regenerative aggregate separation device for construction waste according to claim 1, characterized in that: the first system includes a first jaw crusher (15), and the first jaw crusher (15 ) top is provided with a first feed port (16), and the discharge port of the first jaw crusher (15) is provided with a first conveyor belt (17). 8. The regenerative aggregate separation device for construction waste according to claim 7, characterized in that: the second system includes a magnetic separator (18), and the top of the magnetic separator (18) is provided with a second Feeding port (19), one end of the first conveyor belt (17) is arranged directly above the second feeding port (19), and the discharge port of the magnetic separator (18) is provided with a second jaw crusher Machine (20), the discharge port of the second jaw crusher (20) is provided with a second conveyor belt (21), and one end of the second conveyor belt (21) enters the higher end of the third drum (4).

Images