CN210279390U

CN210279390U - Construction waste treatment equipment

Info

Publication number: CN210279390U
Application number: CN201920992078.4U
Authority: CN
Inventors: 牛秀霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-10
Anticipated expiration: 2029-06-27

Abstract

The utility model provides a construction waste treatment device, which comprises a gravity crushing group, a mincing group, a first screen, a second screen and a material collecting box; the first screen is obliquely arranged at one side of the gravity crushing group, the mincing group is arranged obliquely below the gravity crushing group, the second screen is obliquely arranged between the gravity crushing group and the mincing group, and the material collecting box is arranged below the second screen; the utility model discloses building rubbish to different volumes sieves, makes bulky building rubbish through twice breakage, and small building rubbish is through once breakage or not through the breakage for the regeneration aggregate granularity of production is even, with the application scope of increase regeneration aggregate, improves economic value.

Description

Construction waste treatment equipment

Technical Field

The utility model relates to a refuse handling installation especially relates to a building rubbish handling installation.

Background

The construction waste refers to residue soil, waste material, residual mud and other wastes generated in the process of construction, laying or dismantling and repairing of various buildings, structures, pipe networks and the like by construction units or individuals. With the progress of society, various buildings are continuously built, but a plurality of old houses are dismantled, and a plurality of construction wastes are generated in the middle.

At present, the quantity of the construction waste in China accounts for 30 to 40 percent of the total quantity of the urban waste. Along with the transformation of old cities, the removal of urban villages and the reconstruction of roads, more and more construction wastes are generated, however, most of the construction wastes are transported to suburbs or rural areas by construction units without any treatment, and are stacked or buried in the open air, so that a large amount of construction expenses such as land charge and garbage clearing and transporting expenses are consumed, and meanwhile, the problems of scattering, dust, sand flying and the like in the clearing and stacking processes cause serious environmental pollution.

On the other hand, the resource problem in China is increasingly serious, high-quality natural aggregate is exhausted in some places, and the supply of qualified concrete gravel in many places is very tight, so that the cost of construction engineering is increased and the quality is reduced. Under the condition, the construction waste recycling work is combined with the production of economic wall materials, and the construction waste is used for producing the sand for construction, so that a large amount of construction waste which cannot be treated is consumed, the problem of reasonable utilization of resources is solved, the utilization efficiency of the resources can be effectively improved, the ecology is protected, and the economic development is promoted.

At present, equipment for treating construction waste generally comprises crushing equipment and screening equipment, but the treatment process is incomplete, the granularity of most treated recycled aggregates is not uniform, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the uneven problem of regeneration aggregate granularity that produces after the building rubbish of prior art handles to a building rubbish treatment facility is provided, have and to handle into the even regeneration aggregate of granularity with building rubbish.

In order to achieve the purpose, the utility model provides a construction waste treatment device, which comprises a gravity crushing group, a mincing group, a first screen, a second screen, a material collecting box and a shell; the gravity crushing group comprises a crushing platform, a gravity block, a scraping plate and a driving piece arranged on the crushing platform, wherein the gravity block is arranged above the crushing platform and moves along the vertical direction to extrude the construction waste placed on the crushing platform; the grinding group is arranged obliquely below the gravity grinding group and comprises two parallel roll shafts, a grinding knife and a driving motor; the crushing cutters are arranged on the circumferential surfaces of the roll shafts, the two roll shafts rotate oppositely, and the crushing cutters on the two roll shafts are crossed; the first screen is obliquely arranged on one side of the crushing platform, and the lower side of the first screen is connected with the crushing platform; the second screen is arranged below the crushing platform and the first screen and above the mincing group, the second screen is obliquely arranged towards the mincing group, and the aperture of the second screen is smaller than that of the first screen; the material collecting box is arranged below the first screen and the crushing platform.

By adopting the technical scheme, the construction waste placed in the shell rolls along the inclined direction of the first screen, the construction waste with small volume falls onto the second screen from the screen holes, the construction waste with large volume falls onto the crushing platform, the gravity block extrudes and crushes the construction waste, and then the construction waste crushed on the crushing platform is swept onto the second screen by the scraper; the construction waste with the volume larger than the second screen mesh aperture falls into the mincing group, is subjected to secondary crushing and then falls into the collecting box, and the construction waste with the volume smaller than the second screen mesh aperture directly falls into the collecting box through the screen mesh; the utility model discloses set up the broken and two-stage screening of two-stage to handle the even regeneration aggregate of granularity with building rubbish.

Further, the driving part is arranged as an air cylinder, and the scraper is connected with a piston rod of the air cylinder.

Through adopting above-mentioned technical scheme, leave crushing platform preparation next time crushing in-process as the gravity piece, the piston rod of cylinder promotes the construction waste through gravity crushing on the crushing platform of scraping and sweeping, makes it fall on the second screen cloth.

Further, the side of first screen cloth and second screen cloth all is provided with vibrating motor.

Through adopting above-mentioned technical scheme, first screen cloth and the equal slope setting of second screen cloth, this makes the building rubbish that the volume is greater than the sieve mesh aperture can fall to slope one side along gravity, and some volumes are less than the building rubbish in sieve mesh aperture and can not fall into the sieve mesh because the gravity component has certain speed, and vibrating motor's setting can slow down this speed to can change the horizontal position of building rubbish, the increase falls into the probability of sieve mesh.

Further, the first screen and the second screen are inclined in opposite directions.

Through adopting above-mentioned technical scheme, the building rubbish that falls down from first screen cloth sieve mesh has the inertia of horizontal migration, and the incline direction of second screen cloth is opposite with first screening incline direction, can eliminate this inertia, makes building rubbish produce the trend toward opposite horizontal direction motion, has increased the probability that little volume building rubbish passes through the second screen cloth.

Furthermore, be provided with the third screen cloth in the case that gathers materials, the aperture of third screen cloth is less than the aperture of second screen cloth, and the case that gathers materials is provided with gets the bin gate, gets the bin gate and is located the top of third screen cloth.

By adopting the technical scheme, some powder can be generated in the gravity crushing group and the mincing group, the third screen can screen the powder, the residual construction waste forms the recycled aggregate with uniform granularity, and the recycled aggregate is taken out from the material taking door.

Further, the third screen is obliquely arranged, and the lower side of the material taking door is connected with one side of the third screen below the material taking door.

Through adopting above-mentioned technical scheme, such setting makes the building rubbish that does not pass through the third screen cloth under the effect of gravity, can move towards getting the bin gate, has made things convenient for taking out of building rubbish.

Furthermore, a water nozzle is arranged above the third screen, a water tank is arranged outside the material collecting box, the water nozzle is connected with the water tank through a water pipe, and a water outlet is formed in the position, close to the bottom surface, of the side wall of the material collecting box.

Through adopting above-mentioned technical scheme, the powder that produces in the crushing process can float in the air, also can glue on the building rubbish of granulation, and the setting of water spray can reduce the dust in the case air that gathers materials to and wash the powder on building rubbish surface.

The beneficial effects of the utility model reside in that, through setting up the three-layer screen cloth, sieve the building rubbish of different volumes, make bulky building rubbish through twice breakage, small building rubbish is through once breakage or not through the breakage for the regeneration aggregate granularity that produces is even, with the application scope of increase regeneration aggregate, improves economic value.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the following provides a detailed description of the present invention with reference to the embodiments of the present invention and the accompanying drawings.

FIG. 1 is a schematic view of the internal structure of the present embodiment;

fig. 2 is a schematic overall structure diagram of the present embodiment.

The reference numerals in the drawings are explained below.

1. A gravity crushing group; 11. a crushing platform; 12. a gravity block; 13. a squeegee; 2. mincing group; 21. a roll shaft; 22. a crushing knife; 23. a drive motor; 31. a first screen; 32. a second screen; 33. a material collecting box; 4. a drive member; 5. a vibration motor; 61. a third screen; 62. a material taking door; 71. a water spray head; 72. a water tank; 73. a water pipe; 74. a water outlet; 8. a housing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, a construction waste treatment device comprises a gravity crushing group 1, a mincing group 2, a first screen 31, a second screen 32, a material collecting box 33 and a shell 8; the first screen mesh 31, the gravity crushing group 1, the second screen mesh 32, the mincing group 2 and the material collecting box 33 are sequentially arranged in the shell 8 from top to bottom, the first screen mesh 31 and the second screen mesh 32 are obliquely arranged, the lower side of the first screen mesh 31 is connected with the gravity crushing group 1, and the lower side of the second screen mesh 32 is connected with the mincing group 2.

The construction waste rolls along the inclined direction of the first screen 31, the construction waste with small volume falls onto the second screen 32 from the screen holes, the construction waste with large volume falls into the gravity crushing group 1, then the construction waste falls into the second screen 32, the construction waste with the volume larger than the aperture of the second screen 32 falls into the mincing group 2, secondary crushing is carried out, then the construction waste falls into the material collecting box 33, and the construction waste with the volume smaller than the aperture of the second screen 32 directly falls into the material collecting box 33 through the screen holes; the utility model discloses set up the broken and two-stage screening of two-stage to handle the even regeneration aggregate of granularity with building rubbish.

The gravity crushing group 1 comprises a crushing platform 11, a gravity block 12, a scraping plate 13 and a driving piece 4, wherein the crushing platform 11 is horizontally arranged, and the driving piece 4 is arranged on the crushing platform 11; the construction waste falls onto the crushing platform 11 along the first screen 31, the gravity block 12 moves in the direction perpendicular to the crushing platform 11 to extrude the construction waste, a power source (not shown in the figure) for driving the gravity block 12 to move vertically is arranged on the outer side of the shell, the scraper 13 is arranged on one side of the crushing platform 11, the scraper 13 scrapes and sweeps the construction waste on the crushing platform 11 under the driving of the driving piece 4, and the crushing platform 11 is located below the first screen 31.

The construction waste which does not pass through the first screen 31 falls onto the crushing platform 11, the gravity block 12 crushes the construction waste by squeezing, and then the scraper 13 scrapes and sweeps the crushed construction waste on the crushing platform 11 onto the second screen 32.

The driving part 4 is arranged as a cylinder, and the scraper 13 is connected with a piston rod of the cylinder. When the gravity block 12 leaves the crushing platform 11 to prepare for the next crushing process, the piston rod of the cylinder pushes the scraper 13 to scrape the construction waste crushed by the gravity on the crushing platform 11, so that the construction waste falls on the second screen 31.

The mincing group 2 comprises two parallel roller shafts 21, two crushing knives 22 and a driving motor 23, wherein the crushing knives 22 are arranged on the circumferential outer surfaces of the roller shafts 21, the two roller shafts 21 rotate inwards in opposite directions, and the crushing knives 22 on the two roller shafts 21 are mutually crossed and have gaps.

The crushing knives 22 on the two roll shafts 21 are crossed with each other, and the construction waste falling into the crushing knives is crushed to form the granularity which is in accordance with the raw materials of the recycled construction materials.

The vibrating motors 5 are arranged on the sides of the first screen 31 and the second screen 32. First screen cloth 31 and the equal slope setting of second screen cloth 32, this makes the volume be greater than the building rubbish in sieve mesh aperture can fall slope one side along gravity, and some volumes are less than the building rubbish in sieve mesh aperture and can not fall into the sieve mesh because the gravity component has certain speed, and vibrating motor 5's setting can slow down this speed to can change the horizontal position of building rubbish, the increase probability that falls into the sieve mesh.

The first screen 31 is inclined in the opposite direction to the second screen 32. The construction waste falling from the meshes of the first screen 31 has the inertia of horizontal movement, and the inclination direction of the second screen 32 is opposite to the inclination direction of the first screen 31, so that the inertia can be eliminated, the construction waste has the tendency of moving towards the opposite horizontal direction, and the probability that the construction waste with small volume passes through the second screen 32 is increased.

A third screen 61 is arranged in the collection box 33, and the aperture of the third screen 61 is smaller than that of the second screen 32. The material collecting box 33 is provided with a material taking door 62, the material taking door 62 is positioned above the third screen 61, and the third screen 61 is fixedly connected with the peripheral wall of the material collecting box 33.

Some powder is generated in the gravity crushing group 1 and the mincing group 2, the powder can be screened out by the third screen 61, the residual construction waste forms recycled aggregate with uniform particle size, and the recycled aggregate can be taken out from the material taking door 62.

The third screen 61 is disposed obliquely, and the lower side of the material taking gate 62 is connected to the lower side of the third screen 61. Due to the arrangement, the construction waste which does not penetrate through the third screen 61 can move towards the material taking door 62 under the action of gravity, and the construction waste is convenient to take out.

A water spray head 71 is arranged above the third screen 61, a water tank 72 is arranged outside the material collecting box 33, the water spray head 71 is connected with the water tank 72 through a water pipe 73, and a water outlet 74 is formed in the position, close to the bottom surface, of the side wall of the material collecting box 33. The powder produced in the crushing process floats in the air and is adhered to the granulated construction waste, and the arrangement of water spraying can reduce the dust in the air of the material collecting box 33 and wash the powder on the surface of the construction waste.

The working process is as follows: the construction waste is put into the first screen 31, the construction waste rolls along the inclined direction of the first screen 31, the small-size construction waste falls onto the second screen 32 from the screen holes, the large-size construction waste falls onto the crushing platform 11, the gravity block 12 extrudes and crushes the construction waste, and then the scraper 13 scrapes and sweeps the crushed construction waste on the crushing platform 11 onto the second screen 32; the construction waste with the volume larger than the aperture of the second screen 32 falls into the mincing group 2, the mincing knives 22 on the roller shafts 21 are mutually crossed, and the construction waste falling into the roller shafts is minced to form the granularity which is in accordance with the raw materials of the regenerated construction materials. The construction material after the secondary crushing and passing through the second mesh 32 falls into the third mesh 61 of the collection box 33, and after showering by the water jet head 71, dust in the air and dust adhering to the surface of the construction material are adsorbed in the water droplets and flow out through the water discharge port 74. Building material that does not pass through third screen 61 is discharged through a side take off gate 62.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A construction waste disposal apparatus, comprising:

the gravity crushing group (1) comprises a crushing platform (11), a gravity block (12), a scraping plate (13) and a driving piece (4) arranged on the crushing platform (11), wherein the gravity block (12) is arranged above the crushing platform (11) and moves along the vertical direction to extrude construction waste placed on the crushing platform (11), the scraping plate (13) is arranged on one side of the crushing platform (11), and the scraping plate (13) scrapes the construction waste on the crushing platform (11) under the driving of the driving piece (4);

a mincing group (2), wherein the mincing group (2) is arranged obliquely below the gravity crushing group (1); comprises two roll shafts (21) which are arranged in parallel, a crushing knife (22) and a driving motor (23); the crushing knives (22) are arranged on the circumferential surfaces of the roll shafts (21), the two roll shafts (21) rotate oppositely, and the crushing knives (22) on the two roll shafts (21) are crossed with each other;

the first screen (31) is obliquely arranged on one side of the crushing platform (11), and the lower side of the first screen (31) is connected with the crushing platform (11);

a second sieve (32) arranged below the crushing platform (11) and the first sieve (31) and above the mincing group (2), wherein the second sieve (32) is obliquely arranged towards the mincing group (2), and the pore diameter of the second sieve (32) is smaller than that of the first sieve (31);

a collection box (33) disposed below the first screen (31) and the crushing platform (11).

2. A construction waste disposal device according to claim 1 wherein said drive member (4) is provided as a pneumatic cylinder and said scraper (13) is connected to a piston rod of the pneumatic cylinder.

3. The construction waste disposal apparatus according to claim 1, wherein the first screen (31) and the second screen (32) are provided with vibration motors (5) at their sides.

4. A construction waste disposal device according to claim 1 wherein said first screen (31) is inclined in a direction opposite to that of said second screen (32).

5. The construction waste disposal apparatus according to claim 1, wherein a third screen (61) is disposed in the collection box (33), the third screen (61) has a smaller aperture than the second screen (32), the collection box (33) is provided with a material taking gate (62), and the material taking gate (62) is located above the third screen (61).

6. A construction waste disposal device according to claim 5, wherein said third screen (61) is provided in an inclined manner, and the lower side of said take-out door (62) is connected to the side of said third screen (61) located therebelow.

7. The construction waste treatment equipment according to claim 6, wherein a water nozzle (71) is arranged above the third screen (61), a water tank (72) is arranged outside the collection box (33), the water nozzle (71) is connected with the water tank (72) through a water pipe (73), and a water outlet (74) is formed in the side wall of the collection box (33) close to the bottom surface.