CN219664351U

CN219664351U - Aggregate preparation facilities of recycled concrete

Info

Publication number: CN219664351U
Application number: CN202320670074.0U
Authority: CN
Inventors: 朱胜群
Original assignee: Shanghai Construction Engineering Ru'an Concrete Co ltd
Current assignee: Shanghai Construction Engineering Ru'an Concrete Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-12
Anticipated expiration: 2033-03-30

Abstract

The utility model provides an aggregate preparation device for recycled concrete, which comprises a crushing cylinder (1), a screen (2) and a horizontal roller (3), wherein the crushing cylinder (1) is positioned in the horizontal roller (3), a material leakage opening (11) is formed in the bottom of the crushing cylinder, circumferentially distributed windows (31) are formed in the inner periphery of the horizontal roller (3), the screen (2) is arranged at the windows (31), a partition plate (32) positioned at two sides of the windows (31) is fixedly connected to the inner peripheral wall of the horizontal roller (3), a conveying auger (5) positioned at one side of the horizontal roller (3) is arranged in the horizontal roller (3), one end of the conveying auger (5) extends to the outside of the horizontal roller (3), and a feeding pipe (51) is fixedly connected to the outer wall of the conveying auger (5). The aggregate preparation device solves the problem that the residual aggregate is inconvenient to transfer outwards, and greatly improves the efficiency of aggregate preparation.

Description

Aggregate preparation facilities of recycled concrete

Technical Field

The utility model relates to the field of concrete, in particular to an aggregate preparation device for recycled concrete.

Background

The waste concrete is crushed and filtered to form recycled aggregate, the crushing processing of the waste concrete is generally processed by using a crushing cylinder at present, a crushing shaft is arranged in the crushing cylinder, the waste concrete is crushed and processed when the crushing shaft rotates, aggregate particles with unequal sizes are formed after the crushing processing, powder is mixed, and the crushed materials are filtered by a filter screen to obtain the recycled concrete aggregate.

However, the preparation equipment has the following defects: 1. the large-particle materials left after filtration are inconvenient to discharge, namely, after passing through the filter screen, qualified aggregates are separated, unqualified aggregates are left on the filter screen, and the filter screen is generally horizontally arranged, so that the residual materials are inconvenient to transfer outwards, and the efficiency of the integral aggregate paper cup is affected; 2. because the aggregate cannot be fully contacted with the crushing shaft, the size and the particle diameter of the crushed aggregate are greatly different after the crushing cylinder is used for crushing, that is, the degree of uneven size of the crushed aggregate is large, the unqualified aggregate is required to be repeatedly crushed, and the preparation efficiency is reduced; 3. the dust pollution is serious during the preparation.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an aggregate preparation device for recycled concrete, so as to solve the problems in the prior art. The preparation device provided by the utility model can quickly transfer the residual aggregate on the filter screen to the outside, and the crushing cylinder of the preparation device can improve the uniformity of the size of crushed particles.

In order to achieve the above object, the present utility model is realized by the following technical scheme:

the utility model provides a recycled concrete's aggregate preparation facilities, includes broken section of thick bamboo and screen cloth, still includes horizontal cylinder, broken section of thick bamboo is located horizontal cylinder and the drain hole has been seted up to the bottom, the window of circumference distribution has been seted up to horizontal cylinder's inner periphery, the screen cloth sets up in window department, and the inner peripheral wall fixedly connected with of this horizontal cylinder is located the baffle of window both sides, set up the transport auger that is located horizontal cylinder one side in the horizontal cylinder, the one end of carrying auger extends to horizontal cylinder's outside, and the outer wall fixedly connected with inlet pipe of this transport auger.

Further, the crushing cylinder is conical and has an upward large end.

Further, a crushing shaft which is vertically distributed is arranged in the crushing cylinder, and one end of the crushing shaft extends to the material leakage opening.

Further, a filter plate close to the bottom is fixedly connected in the crushing cylinder, and a rotating sleeve fixedly connected with the crushing shaft is fixedly connected to the middle of the filter plate.

Furthermore, a conical flow guiding sleeve is arranged below the horizontal roller, and the small end of the conical flow guiding sleeve faces downwards.

Further, a vibrator is arranged at the other end of the horizontal roller.

Further, one end of the horizontal roller is provided with a abdication hole which is coaxial and matched with the conveying auger.

Further, the outer wall of the conveying auger is provided with an exhaust fan, and the exhaust fan is provided with a dust suction pipe extending into the horizontal roller.

Compared with the prior art, the technical scheme has the following advantages:

1. according to the aggregate preparation device for recycled concrete, the horizontal roller is arranged outside the crushing cylinder, the screen cloth and the partition plate which are distributed circumferentially are utilized, the crushed aggregate of the crushing cylinder falls down and is filtered by the screen cloth, the residual aggregate is lifted up by the rotating horizontal roller, then is guided into the conveying auger by utilizing gravity and is transported outwards, the problem that the residual aggregate is inconvenient to transfer outwards is solved, and the aggregate preparation efficiency is greatly improved.

2. According to the aggregate preparation device for recycled concrete, the crushing cylinder is arranged into the conical shape, the bottom of the crushing shaft extends to the bottom in the crushing cylinder, so that crushed aggregate can be contacted with the crushing shaft in the descending process, the problem that waste concrete is difficult to comprehensively contact with the crushing shaft is solved, the uniformity of the size of particles after crushing in the crushing cylinder is improved, and the crushing efficiency is improved;

3. according to the aggregate preparation device for recycled concrete, the exhaust fan is arranged at one end of the horizontal roller, and the exhaust fan is used for extracting the dust in the horizontal roller outwards, so that the aggregate preparation device has the function of preventing the dust from spreading outwards, and is better in environmental protection effect.

Drawings

Fig. 1 is a schematic structural view of an aggregate preparation apparatus for recycled concrete according to the present utility model.

Fig. 2 is a schematic view of fig. 1 with the horizontal drum removed.

FIG. 3 is a schematic view showing a cross section of a horizontal drum, a partition plate and a screen in an aggregate manufacturing apparatus for recycled concrete according to the present utility model.

FIG. 4 is a schematic view showing a cross section of the bottom of a crushing cylinder in an aggregate preparation device for recycled concrete according to the present utility model.

In the figure: 1. a crushing cylinder; 11. a material leakage port; 2. a screen; 3. a horizontal roller; 31. a window; 32. a partition plate; 5. conveying the auger; 51. a feed pipe; 6. a crushing shaft; 7. a filter plate; 71. a rotating sleeve; 8. a conical guide sleeve; 9. a vibrator; 101. an exhaust fan; 1011. a dust collection pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 4, the present utility model provides an aggregate preparation device for recycled concrete, comprising a crushing cylinder 1 and a screen 2. A crushing shaft 6 is provided in the crushing cylinder 1, and a crushing blade is provided on the outer peripheral wall of the crushing shaft 6. As innovative characteristics, still include horizontal cylinder 3 in its structure constitution, broken section of thick bamboo 1 is located horizontal cylinder 3 and the bottom has seted up and has leaked the material mouth 11, and broken waste concrete in broken section of thick bamboo 1 outwards leaks the material and drops to horizontal cylinder 3 by leaking the material mouth 11, and window 31 that circumference distributes has been seted up to horizontal cylinder 3's inner periphery, and screen cloth 2 sets up in window 31 department.

The concrete waste particles that drop drops downwards through the filtration of screen cloth 2, and the baffle 32 that is located window 31 both sides of this horizontal cylinder 3's interior perisporium fixedly connected with, the large granule aggregate that remains on screen cloth 2 is located between two baffles 32, can promote this part aggregate when horizontal cylinder 3 rotates, and the structure of horizontal cylinder 3 can be seen more clearly from figure 3.

As shown in fig. 2, a conveying auger 5 positioned at one side of the horizontal roller 3 is arranged in the horizontal roller 3, one end of the conveying auger 5 extends to the outside of the horizontal roller 3, a feeding pipe 51 is fixedly connected to the outer wall of the conveying auger 5, lifted aggregate slides outwards along a partition plate 32 and enters the feeding pipe 51, rapid transfer of residual aggregate on the screen 2 is achieved, and meanwhile, the rotation of the horizontal roller 3 can switch other screens 2 to continue aggregate screening.

In this embodiment, the crushing cylinder 1 is conical and the large end is upwards, the crushing cylinder 1 is internally provided with the vertically distributed crushing shaft 6, one end of the crushing shaft 6 extends to the material leakage port 11, the crushed concrete is contacted with the crushing knife on the crushing shaft 6 in the descending process, the waste concrete can be crushed comprehensively, and the uniformity of the size of the crushed particles is improved.

In addition, as shown in fig. 4, a filter plate 7 close to the bottom is fixedly connected in the crushing cylinder 1, the filter plate 7 prevents larger particles from being discharged outwards through the material leakage opening 11, a rotating sleeve 71 fixedly connected with the crushing shaft 6 is fixedly connected to the middle part of the filter plate 7, and at the moment, the crushing knife on the crushing shaft 6 can crush the large particles stagnated on the filter plate 7, so that the uniformity of the size of the particles after crushing is further improved.

The lower part of the horizontal roller 3 is provided with a conical flow guiding sleeve 8, the small end of the conical flow guiding sleeve 8 faces downwards, the conical flow guiding sleeve 8 downwards gathers and guides aggregate which is screened and falls from the upper part of the conical flow guiding sleeve, and a transfer box body is placed at the bottom of the conical flow guiding sleeve 8 to collect the aggregate.

In this embodiment, the other end of the horizontal roller 3 is provided with a vibrator 9, and after the vibrator 9 is electrified, high-frequency vibration drives the horizontal roller 3 to vibrate, so as to accelerate the filtering and screening of the screen 2.

In this embodiment, coaxial center and with carry auger 5 complex hole of stepping down have been seted up to the one end of horizontal cylinder 3, carry auger 5's outer wall is provided with air exhauster 101, be provided with on this air exhauster 101 and extend to the dust absorption pipe 1011 in the horizontal cylinder 3, air outlet of air exhauster 101 passes through pipeline and outside dust pelletizing system intercommunication, as preferred embodiment, air exhauster 101's wind-force can only collect the raise dust, can't influence aggregate particle's whereabouts, carry out the raise dust collection that from this air exhauster 101 can be with the preparation, environmental protection effect is more.

Before the preparation device is used, a supporting bearing frame is matched, a common riding wheel for lifting the horizontal roller 3 is arranged on the bearing frame, then a driving gear ring is fixedly sleeved outside the horizontal roller 3, the horizontal roller 3 is driven to rotate by a driving motor and a driving gear on the bearing frame, then a supporting beam for bearing the conveying auger 5 and the crushing cylinder 1 is welded on the bearing frame, when the preparation device is used, waste concrete is led in from a feed port on the crushing cylinder 1, a control motor on the crushing cylinder 1 is started, the control motor drives the crushing shaft 6 to rotate, the crushed concrete falls down onto a screen 2 from a material leakage port 11, a vibrator 9 is started, so that the screen 2 shakes to accelerate screening, when large particles remained on the screen 2 are excessive, the horizontal roller 3 is controlled to rotate, the height of the remained particles is lifted under the blocking of the partition plate 32 until the particles are discharged outwards by the self-weight of the conveying auger 5, and in the process, the exhaust fan 101 is started to perform dust removal treatment.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an aggregate preparation facilities of recycled concrete, includes broken section of thick bamboo (1) and screen cloth (2), its characterized in that still includes horizontal cylinder (3), broken section of thick bamboo (1) is located horizontal cylinder (3) and the material leakage mouth (11) have been seted up to the bottom, window (31) of circumference distribution have been seted up to the inner periphery of horizontal cylinder (3), screen cloth (2) set up in window (31) department, and the inner peripheral wall fixedly connected with of this horizontal cylinder (3) is located baffle (32) of window (31) both sides, set up in horizontal cylinder (3) and be located transport auger (5) of horizontal cylinder (3) one end of transport auger (5) extends to the outside of horizontal cylinder (3), the outer wall fixedly connected with inlet pipe (51) of this transport auger (5).

2. The aggregate preparation device for recycled concrete according to claim 1, wherein: the crushing cylinder (1) is conical and has an upward large end.

3. The aggregate preparation device for recycled concrete according to claim 2, wherein: a crushing shaft (6) which is vertically distributed is arranged in the crushing cylinder (1), and one end of the crushing shaft (6) extends to a material leakage opening (11).

4. The aggregate preparation device for recycled concrete according to claim 2, wherein: the crushing cylinder (1) is internally and fixedly connected with a filter plate (7) close to the bottom, and the middle part of the filter plate (7) is fixedly connected with a rotating sleeve (71) fixedly connected with the crushing shaft (6).

5. The aggregate preparation device for recycled concrete according to claim 1, wherein: a conical flow guiding sleeve (8) is arranged below the horizontal roller (3), and the small end of the conical flow guiding sleeve (8) faces downwards.

6. The aggregate preparation device for recycled concrete according to claim 1, wherein: the other end of the horizontal roller (3) is provided with a vibrator (9).

7. The aggregate preparation device for recycled concrete according to claim 1, wherein: one end of the horizontal roller (3) is provided with a abdication hole which is coaxial and matched with the conveying auger (5).

8. The aggregate preparation device for recycled concrete according to claim 1, wherein: an exhaust fan (101) is arranged on the outer wall of the conveying auger (5), and a dust collection pipe (1011) extending into the horizontal roller (3) is arranged on the exhaust fan (101).