CN207951971U - Concrete waste material recycles screening plant - Google Patents

Abstract

The utility model discloses a concrete waste recycling and screening device, which belongs to the technical field of concrete waste recycling. The concrete waste recycling and screening device includes a skeleton. The aggregates are recycled screens and the driving mechanism that drives the screen to vibrate. There is an elastic piece between the skeleton and the bottom platform, and the skeleton is connected to the bottom platform through the elastic piece. The screen is a flat screen. , the end of each screen is equipped with a discharge port for the sieved aggregate to escape from the corresponding screen, and the mesh number of the screen increases from top to bottom, and the drive mechanism is used to drive the two-layer plane screen to vibrate It is convenient for maintenance and solves the problem of difficult maintenance of rotary screening machines in the prior art.

Description

Concrete waste recycling and screening device

technical field

The utility model relates to a recycling and screening device for concrete waste.

Background technique

With the wide application of commercial concrete mixing plants, more and more residual concrete is inevitably produced during the production and use of concrete. If it is not handled properly, it will cause serious environmental pollution and waste of resources.

The invention patent application with the authorized announcement number CN103071624B and the authorized announcement date of 2016.01.20 discloses a waste concrete recycling and screening device. The waste concrete recycling and screening device consists of a first screening device, a second screening device and a vibration device. , the first screening device is a multi-layer rotary screen structure, the second screening device is a single-layer rotary screen structure, the first screening device and the second screening device are connected by conveying equipment, and the vibration device is between the first screening device and the second screening device. The lower part of the second screening device, through the up and down vibration of the vibrating device, makes the first screening device vibrate up and down while rotating and screening to avoid the problem of blockage of the screen holes of the screening device. However, the screen with a rotary screen structure The maintenance of the extension is difficult, which is not conducive to industrial applications.

Utility model content

The purpose of the utility model is to provide a concrete waste recycling and screening device to solve the problem of difficult maintenance of the rotary screening machine in the prior art.

In order to achieve the above purpose, the first technical solution of the concrete waste recycling and screening device of the present invention is: the concrete waste recycling and screening device includes a skeleton, and the skeleton is provided with at least two screens arranged at intervals along the vertical direction for screening. The aggregate in the waste concrete is divided into a screen for recycling and a driving mechanism for driving the screen to vibrate. An elastic member is provided between the skeleton and the bottom platform, and the skeleton is connected to the bottom platform through the elastic member. The screen It is a flat screen, and the end of each screen is equipped with a discharge port for the screened aggregate to fall out of the corresponding screen, and the mesh number of the screen increases from top to bottom, and a driving mechanism is used to drive the two layers The plane screen is vibrated to carry out the screening operation, which is convenient for maintenance and solves the problem of difficult maintenance of the rotary screening machine in the prior art.

The second technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the second technical solution of the concrete waste recycling and screening device of the present utility model, the screen is provided with two, one is The upper screen is used for sieving stones, and the other is the lower screen for sieving sand, which separates stones and sand for easy recycling.

The third technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the second technical solution of the concrete waste recycling and screening device of the present utility model, the material of the upper screen is manganese steel, The material of the lower screen is polyurethane, and the upper screen and the lower screen are made of high wear-resistant materials to avoid the wear of the screen, and polyurethane is easier to process smaller meshes than manganese steel so that it can Separation of sand from waste concrete.

The fourth technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the first or second or third technical solution of the concrete waste recycling and screening device of the present utility model, the The discharge opening at the end of the screen and the discharge opening at the end of the lower screen are projected staggered in the horizontal direction, which is convenient for placing a receiving bag at the discharge opening.

The fifth technical scheme of the concrete waste recovery and screening device of the present invention is: on the basis of the first or second or third technical scheme of the concrete waste recovery and screening device of the present invention, the elastic The parts are rubber springs, which can better absorb vibration and have good sound insulation effect.

The sixth technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the fifth technical solution of the concrete waste recycling and screening device of the present utility model, the skeleton and/or the bottom platform are provided with A guide column placed in the through hole of the rubber spring is used to guide the compression direction of the rubber spring to reduce the shaking of the skeleton.

The seventh technical solution of the concrete waste recovery and screening device of the present utility model is: on the basis of the first or second or third technical solution of the concrete waste recovery and screening device of the present utility model, the drive The mechanism is two vibrating motors fixed on the skeleton to ensure a large processing capacity of the concrete waste recycling and screening device.

The eighth technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the seventh technical solution of the concrete waste recycling and screening device of the present utility model, the skeleton includes a vibrating motor beam, and the vibrating The motor is fixed on the vibrating motor beam to improve the structural strength.

The ninth technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the eighth technical solution of the concrete waste recycling and screening device of the present utility model, the vibration motor beam is arranged above the screen , easy to replace and repair.

The tenth technical solution of the concrete waste recycling and screening device of the present utility model is: on the basis of the first or second or third technical solution of the concrete waste recycling and screening device of the present utility model, the skeleton There is a flushing nozzle for flushing the screen, which is convenient for cleaning the screen and preventing clogging.

Description of drawings

Fig. 1 is the front view of the specific embodiment 1 of the concrete waste recovery screening device of the present utility model;

Fig. 2 is the side view of the specific embodiment 1 of the concrete waste recycling and screening device of the present utility model;

Fig. 3 is the side view of the specific embodiment 2 of the concrete waste recycling and screening device of the present utility model;

Fig. 4 is a side view of a specific embodiment 3 of the concrete waste recycling and screening device of the present invention.

Detailed ways

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

Specific embodiment 1 of the concrete waste recycling and screening device of the present utility model, as shown in Figure 1 and Figure 2, the concrete waste recycling and screening device includes a skeleton 1 and a shell 2 covering the skeleton 1, and the skeleton 1 is provided with upper and lower The upper screen cloth 3 and the lower screen cloth 4 are arranged, and the upper screen cloth 3, the lower screen cloth 4 and the skeleton are detachably fixed, which is convenient for replacing a new screen cloth after the upper screen cloth or the lower screen cloth is damaged. The 3rd mesh of the upper screen is small and is used to separate the stones from the concrete waste, and the 4th mesh of the lower screen is larger and is used to separate the sand from the concrete waste. The end of the upper screen 3 is provided with an upper discharge port 5, and the end of the lower screen 4 is provided with a lower discharge port 6, so that the aggregate screened out by the upper screen 3 and the lower screen 4 can pass through the upper discharge port 5. And the lower discharge port 6 is out of the screen, which is convenient for the separation and recovery of the aggregate. In order to ensure the wear resistance of the upper screen 3 and the lower screen 4, and considering the difficulty of processing, the material of the upper screen 3 is manganese steel with better wear resistance, and the material of the lower screen 4 is wear-resistant Polyurethane with better performance improves the life of the upper screen 3 and the lower screen 4 and reduces the frequency of replacement. Of course, in other embodiments, one or more than three sieves may also be provided according to the type and particle size of the aggregate to be sieved.

The concrete waste recycling and screening device of the present utility model also includes two vibrating motors 7, through the reverse rotation of the two vibrating motors 7, the aggregate on the upper screen 3 or the lower screen 4 is applied to the upward discharge port 5 Or the driving force of the movement of the lower discharge port 6, the aggregate on the screen is thrown up in the direction of the upper discharge port 5 or the lower discharge port 6 in each vibration cycle, and finally the aggregate is released from the screen. The skeleton 1 is also provided with a vibrating motor beam 8 arranged horizontally, and two vibrating motors 7 are fixed on the vibrating motor beam 8. In this embodiment, the vibrating motor beam 8 is fixed above the skeleton 1, wherein the vibrating motor 7 constitutes a driving screen The drive mechanism for net vibration, of course, in other embodiments, the vibration motor beam 8 can also be arranged under the skeleton 1 .

In this embodiment, a skeleton platform 12 for supporting the skeleton 1 is also provided below the skeleton 1, and four skeleton legs 11 connected with the skeleton platform 12 are also provided on the skeleton 1, and each skeleton leg 11 is connected to the skeleton platform 12. Each frame foot 11 and frame platform 12 are provided with a guide column, which is placed in the through hole 13 of the rubber spring 9 to guide the compression direction of the rubber spring 8 and reduce the shaking of the frame 1. , and the length of the two guide posts 14 placed in the through hole 13 of the same rubber spring 9 is less than the original length of the rubber spring 9. The impact of the skeleton 1 on the skeleton platform 12 is buffered by the rubber spring 9, avoiding damage to the skeleton 1, and reducing noise and absorbing vibration as much as possible. The elastic part of the impact of the collision. Certainly, in other embodiments, the elastic member may also be a spring.

When using the concrete waste recovery and screening device, start two vibrating motors 7, and then pour the waste concrete from the upper layer of the skeleton 1 into the shell 2, and the waste concrete is first sieved through the upper screen 3 to obtain larger particle sizes. Then the sand with smaller particle size is sieved through the lower screen 4, and the vibration of the upper screen 3 and the lower screen 4 is driven by two vibration motors 7 to make the stone on the upper screen 3 and the lower screen The sand on the net 4 is released from the screen through the upper discharge port 5 and the lower discharge port 6 respectively, and the waste concrete is recovered, realizing the separation and recovery of stone and sand, and avoiding the waste of resources.

In this embodiment, the skeleton is also provided with a flushing nozzle 10 that can cover the entire screen surface of the upper screen 3 and the lower screen 4, and regularly performs high-pressure flushing on the upper screen 3 and the lower screen 4 to ensure that the upper screen 3 and the lower screen 4 3 and the mesh surface of the lower screen 4 are cleaned to prevent the blockage of the screen.

In this embodiment, in order to avoid the intersection of the working areas of the two receiving bags when placing the receiving bags at the upper discharge port 5 and the lower discharge port 6, the upper discharge port 5 and the lower discharge port 6 are The projection in the horizontal direction is staggered.

The specific embodiment 2 of the concrete waste recycling and screening device of the present utility model differs from the specific embodiment 1 of the concrete waste recycling and screening device of the present utility model only in that: as shown in FIG. 3 , the elastic member is a metal spring 29 .

The specific embodiment 3 of the concrete waste recycling and screening device of the present utility model differs from the specific embodiment 1 of the concrete waste recycling and screening device of the present utility model only in that: as shown in Figure 4, the vibrating motor 37 is placed on the upper sieve Below the net 33 and the lower screen 34.

The specific embodiment 4 of the concrete waste recycling and screening device of the present utility model differs from the specific embodiment 1 of the concrete waste recycling and screening device of the present utility model only in that a screen is provided on the skeleton.

The specific embodiment 5 of the concrete waste recycling and screening device of the present utility model differs from the specific embodiment 1 of the concrete waste recycling and screening device of the present utility model only in that the vibrating motor is fixed on the housing.

In other embodiments of the concrete waste recycling and screening device of the present utility model, three, four, etc. any number of screens greater than two can be set on the skeleton; two, eight, etc. any number of screens greater than two can be set on the elastic member. even number.

Claims (10)

1. Concrete waste recycling and screening device, characterized in that: it includes a skeleton, and the skeleton is provided with at least two screens and driving screens arranged at intervals along the vertical direction for screening aggregates in waste concrete for recycling The driving mechanism for the vibration of the net, the elastic part is arranged between the skeleton and the bottom platform, the skeleton is connected with the bottom platform through the elastic part, the screen is a flat screen, and the end of each screen is provided with a screen The separated aggregate comes out of the outlet corresponding to the sieve, and the mesh number of the sieve increases sequentially from top to bottom. 2. The concrete waste recycling and screening device according to claim 1, characterized in that: the screen is provided with two screens, one is an upper screen for screening stones, and the other is an upper screen for screening sand. the lower screen. 3. The concrete waste recycling and screening device according to claim 2, characterized in that: the material of the upper screen is manganese steel, and the material of the lower screen is polyurethane. 4. The concrete waste recycling and screening device according to claim 1, 2 or 3, characterized in that: the outlet placed at the end of the upper screen and the outlet placed at the end of the lower screen are in the horizontal direction The projection on the stagger setting. 5. The concrete waste recycling and screening device according to claim 1, 2 or 3, characterized in that: the elastic member is a rubber spring. 6 . The concrete waste recycling and screening device according to claim 5 , characterized in that: the frame and/or the bottom platform are provided with guide columns placed in the through holes of the rubber springs for guiding the compression direction of the rubber springs. 7 . 7. The concrete waste recycling and screening device according to claim 1, 2 or 3, characterized in that: the driving mechanism is two vibration motors fixed on the frame. 8 . The concrete waste recycling and screening device according to claim 7 , characterized in that: the skeleton includes a vibrating motor beam, and the vibrating motor is fixed on the vibrating motor beam. 9. The concrete waste recycling and screening device according to claim 8, characterized in that: the vibrating motor beam is arranged above the screen. 10. The concrete waste recycling and screening device according to claim 1, 2 or 3, characterized in that: the frame is provided with a flushing nozzle for flushing the screen.