KR100749830B1 - Construction Waste Recycling Equipment - Google Patents

Abstract

By sorting and recycling soil, stone powder and aggregates through the crushing and sorting of construction wastes, the recycling of construction wastes that can supply the necessary natural dusts for construction work economically while supplying insufficient natural history through excessive collection work. Relates to a device. The treatment apparatus is characterized in that the primary crusher 10 and the secondary crusher 40 and the magnetic rotary roll 20 separating the reinforcing bar 22 to crush the construction waste to a predetermined size or less, and transport the waste of a predetermined size The primary classifier 30, the secondary classifier 50 and the tertiary classifier 70, and the construction waste for each process are composed of conveying means 12, 14, 16 and 18 for conveying. Accordingly, by crushing, screening, regrinding, and reclassifying concrete among the building wastes generated during the dismantling of buildings, good soil, stone powder, aggregate, etc. are obtained, and foreign substances such as styrene, vinyl, paper, or wood having low specific gravity are removed. It can be separated and collected safely to achieve safe disposal, so that various building materials necessary for building over a short period of time can be obtained from recycled buildings and recycled, thus providing economical use such as preventing environmental pollution and enhancing resource management effects.

Description

Apparatus for Recycling of Concrete Scrapped Material}

1 is a plan view of a recycling apparatus according to the present invention,

2 is a side view of main parts of the magnetic rotating roll according to the present invention;

3 is a side view of the foreign matter treatment apparatus according to the present invention.

Explanation of symbols on main parts of drawing

10; Primary mills 12,14,16,18; Means of transport

20; Magnetic rotary roll 22; rebar

24; Magnetic 30; Primary classifier

32; Drive shaft 34; Disc plate

35; Dust collector 38; Air sprayer

40; Secondary mill 50; Secondary classifier

60; Vehicle 70; 3rd classifier

The present invention relates to a recycling apparatus for pulverizing construction waste to obtain soil and stone powder and aggregate of a desired size, and more specifically, to classify and recycle soil and stone powder and aggregate by crushing and classifying construction waste. The present invention relates to an apparatus for recycling waste of construction wastes, which can supply supply of insufficient natural history economically due to excessive harvesting and improve supply and demand for stone powder and gravel.

In general, when dismantling or dismantling an old house or building, a large amount of construction waste is generated from various materials such as concrete, aggregates, reinforcing steel and other metal materials, gravel, wood, paper, glass or plastic such as styrofoam. Construction waste is classified as special waste and landfilled, but due to environmental pollution, the disposal place is limited, so industrial waste is processed with a lot of time and effort, and expensive landfill costs are required, causing illegal dumping. There are many problems such as causing serious environmental pollution.

In addition, in terms of resource recycling, recyclable materials such as reinforcing bars, gravel, and sand are disposed of (reclaimed) as it is, causing huge resource waste.

In order to solve the problems in the treatment (reclamation) and recycling of such construction wastes, facilities for separating and recycling various wastes mixed with construction wastes have been developed for a long time.

However, although the detailed device of the equipment for recycling the construction waste has been continuously developed through technology development, the processing cost for effective recycling can not be prepared by using the detailed devices reasonably, and the recycling treatment cost increases, and various wastes There is a problem that consumers and producers avoid the recycling of construction wastes because they cannot obtain high-quality recycled materials because the separation of sediment is not performed properly.

In addition, the conventional process of recycling construction waste recycling facilities does not remove and separate dust and soil generated when the construction waste is put into the supply hopper, and causes water pollution by the process of removing dust and foreign substances by wet process and does not injure foreign substances. Is impossible to remove, and the increase in facility cost due to the installation of several shredding devices and the lack of treatment process for dust generation cause civil complaints in the neighboring area, and the power consumption due to the input of more than necessary devices and the unreasonable treatment process. There is a problem of excessive installation area.

In addition, there is a technical means of removing foreign matters having low specific gravity by the air blowing force of the blower in the conventional foreign material removal equipment applied to the construction waste recycling facility, but the separation force is separated evenly because the injection force is weak or the foreign matter is transported in the waste. It was difficult to remove foreign substances with low specific gravity.

In addition, the device for separating the predetermined sand through the screen net has a problem that the equipment is complicated, the work process for the separate collection is inconvenient, and the economic burden due to the expensive equipment cost.

In order to solve the conventional problems, the present invention, while pre-determining the predetermined construction waste pre-treated to enable the recycling of the construction waste, while separating and collecting the foreign matter such as low-density styro, vinyl, paper or wood By separating and sorting by size soil, stone powder, and recycled aggregates, it is possible to use pebbles with good natural strength and recycle sand to economically reuse them. Provide a recycling device for construction waste.

In order to achieve the above object, the present invention provides an apparatus for sorting and separating construction waste, comprising: a primary crusher for transporting construction waste to a conveying means and crushing the waste below a predetermined size; and in front of the primary crusher. One or more magnetics attached to and removed from the reinforcing bars existing among the construction wastes transported through the conveying means are attached to a predetermined interval and receive a magnetic rotary roll rotating a predetermined track, and the reinforcing bars are removed and conveyed to the conveying means. Soil is discharged to a certain size, and the dust is collected and collected with low specific gravity, and the primary sorter which sends the sorted waste of a predetermined size to the transport means, and the construction waste classified by the soil in the primary sorter is put into a predetermined size or less. Secondary shredder to be shredded, and the construction waste transported from the secondary shredder to the transport means By discharging a certain amount of stone powder, suctioning the foreign substances of low specific gravity, and collecting a waste of a predetermined size that can not be discharged, and receiving the construction waste classified the stone powder transported from the secondary classifier to the transport means The secondary sorter for discharging only less than a predetermined size of recycled aggregates and collecting and collecting foreign substances with low specific gravity to convey the construction waste of a predetermined size or more, and the construction waste of more than a predetermined size not discharged from the tertiary sorter. A recycling apparatus for treating construction waste comprising a conveying means for conveying to a crusher is provided.

       Another technique of the present invention by achieving the above object is that the first, second, tertiary classifier is installed inclined at the bottom of the hopper for injecting construction waste is installed disk plate is arranged on the drive shaft to rotate, the Provided is an apparatus for recycling waste of construction wastes, which is installed on the top of the disc plate and comprises a dust collector that sucks foreign substances supported by the top of the disc plate.

Another technique of the present invention for achieving the above object is, between the primary shredder and the primary sorter, without the magnetic rotary roll in the first shredder to remove the construction waste removed in the pretreatment process in the primary shredder and the primary transporting means A recycling apparatus for building wastes conveyed to a classifier is provided.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view of a recycling apparatus according to the present invention, Figure 2 is a side view of the main portion of the magnetic rotary roll according to the present invention, Figure 3 is a side view of the foreign matter treatment apparatus according to the present invention.

As shown in Figures 1 to 3, the apparatus for sorting and separating the waste to recycle the construction of the primary shredder 10 and secondary shredder 40 and the reinforcing bar 22 to shred the construction waste below a certain size Magnetic rotary roll 20 to separate, the primary sorter and the 30 and the secondary sorter 50 and the tertiary sorter 70 to separate and transport the waste of a predetermined size, the transport means for transporting the construction waste for each process It consists of (12) (14) (16) (18).

The primary shredder 10 transports the pretreated building waste to the transfer means and puts it in a predetermined size or less so that the soil is easily discharged. The shredded construction waste is transferred to the transfer means 12 as the primary classifier 30. Are sent to.

The magnetic rotary roll 20 is installed in front of the primary crusher 10, the one or more magnetic 24 to attach and remove the reinforcing bar 22 existing in the construction waste transported through the transfer means 12 is fixed It is attached at intervals and installed to rotate a predetermined track.

The magnetic 24 is applied to maintain a strong magnetic force in consideration of the weight of the reinforcing bar and its width and size will be able to change the design according to the use environment.

The primary classifier 30 receives the building wastes removed from the reinforcing bar 22 and is transported to the conveying means 14, and discharges soil of a certain size and collects foreign substances having a low specific gravity. Configured to send waste to the vehicle.

The secondary crusher 40 is connected to the primary classifier 30 and the conveying means 14 is installed to be crushed to a predetermined size or less by inputting the construction waste classified in the soil in the primary classifier (30) have.

The secondary classifier 50 is installed in front of the secondary crusher and accommodates the construction waste transported from the secondary crusher 40 to the conveying means 16 to discharge a certain size of stone powder and to remove foreign substances having a low specific gravity. It is installed to carry waste of a predetermined size which is collected by suction and cannot be discharged.

The tertiary classifier 70 accommodates the construction wastes classified as stone powder conveyed from the secondary classifier 50 to the conveying means 18, discharges only recycled aggregates of a predetermined size or less, and collects and collects foreign substances having low specific gravity. Installed to transport more than a predetermined amount of construction waste that could not be discharged.

The conveying means 60 is installed between the secondary crusher 40 and the tertiary classifier 70 so as to convey the construction waste of a predetermined size or more that cannot be discharged from the tertiary classifier 70 to the secondary crusher 40. have.

Here, the first, second and third classifiers 30, 40 and 50 are inclined at the bottom of the hopper for injecting construction waste, and the disk plates 34 are arranged on the drive shaft 32 to rotate. Is installed on top of the disk plate 34 is composed of a dust collector (36) for sucking the foreign matter to support the upper portion of the disk plate 34 and its size and structure will be able to change the design to accommodate the construction waste. .

On the other hand, between the primary crusher 10 and the primary classifier 30, without the magnetic rotary roll 20, the building waste removed in the pretreatment process in the primary crusher 10 to crush the primary crusher 10 and the primary sorter as a transfer means It is installed so that it can carry by 30.

According to the present invention having such a configuration, as shown in FIG. 1, the waste building generated at the time of dismantling or demolition of the building is first put into the primary crusher 10 by crushing the building waste that has been crushed through a pretreatment process. The reinforcing bar is transported to the means 12 and the steel is removed by the magnetic rotating roll 20.

As shown in FIG. 2, the reinforcing bar 22 existing in the waste building at any one point by the rotational movement of the magnetic rotating roll 20 in which one or more magnetics 24 are attached at regular intervals and rotates at a constant orbit is It is supported by the magnetic force of the magnetic force 24 is attached and is collected by falling off the collecting box by magnetic force after being transported by a constant orbit of the magnetic rotary roll (20).

Aggregate or concrete, etc., in which the rebar is removed, is transported to the primary classifier 30 by the transfer means 14, and the earth and sand are discharged, and the furnace waste having a low specific gravity contained in the construction waste of a predetermined size is classified.

It is a hopper for injecting construction waste, as shown in Figure 3, and a plurality of drive shafts 32 are installed at the lower end of the hopper, the drive shaft 32 is a disk plate 34 is arranged in a grid and the disk plate 34 The dust collector 36 is provided at the upper part, and the air sprayer 38 is installed at the lower part, and the transport means 14 for transporting the sorted building waste is installed at the lower part of the air sprayer 38.

Therefore, the construction waste is moved by a polygonal disk plate 32 arranged in a lattice on the drive shaft 32 to form an entire surface in the form of a horizontal disk and rotating in a predetermined direction according to the rotation of the drive shaft 32.

As such, foreign substances such as low-density styro, vinyl, paper, or wood contained in the building wastes carried by the disc plate 32 are moved in the air injector 38 formed at the bottom of the disc plate 32 at the same time as the movement. The upper part is floated by the nozzle to make a spray, and the injured foreign matter having a low specific gravity is collected by the suction force of the dust collector 36, so that only the foreign matter such as low-density styrofoam, vinyl, paper or wood is separated and processed.

Therefore, the construction waste injected into the hopper is moved by the disk plate 32, and soil of a predetermined size or less falls between the disk plates 32 arranged in a lattice form and falls downward, and foreign substances having a low specific gravity among the construction waste are air. In addition to being floated by the air powder (38) forming the injection, it is absorbed by the dust collector 36 and separated.

In addition, the construction waste of a predetermined size or more separated foreign matter is transported to the conveying means 14 is sent to the secondary crusher 40 to form a crushing.

The construction wastes thus transported and crushed by the secondary crusher 40 are sent to the secondary classifier 50 by the transfer means 16 to discharge, separate, and collect foreign substances, such as the separation of the primary classifier 30. .

That is, in the secondary separator 40 which further extends the interval of the display 34, 25 minutes or less of stone powder is discharged, and foreign substances having a low specific gravity among the construction wastes that are more than that are formed by the air sprayer 38 which forms an air spray. At the same time, it is absorbed by the dust collector 38 and separated and the building waste is sent to the tertiary classifier 70 by the conveying means 16 for the next process.

The conveyed building waste discharges recycled aggregates of 40 mm or less from the tertiary sorter 70, and foreign substances having a low specific gravity mixed with the building waste are simultaneously wounded as in the primary and secondary sorters 30 and 50. After the waste is collected and separated by the dust collector 38, the unsorted building waste is sent to the secondary crusher 40 through the conveying means 60, and the above process is repeatedly discharged to less than 25 mm and recycled to 40 mm or less. By repeatedly discharging the aggregates, it is possible to obtain recycled stone powder and aggregates required for each process.

Therefore, only the necessary soil that can be recycled from construction waste, less than 25mm of stone powder, and less than 40mm of aggregate are collected and supplied again as construction materials. And recycling through collection process.

As described above, the present invention obtains good soil, stone powder, aggregate, etc. by crushing, screening, regrinding, and reclassifying concrete among building wastes generated at the time of dismantling of a building, and having low specific gravity such as styro, vinyl, paper, or wood. It is possible to achieve economical use such as preventing environmental pollution and increasing resource management effect by collecting and recycling various materials necessary for building in a short time by safely collecting and collecting foreign substances of waste from waste building. .

Claims (3)

In the sorting device for recycling the construction waste, A primary shredder 10 carrying and transporting the construction waste to a conveying means and shredding it to a predetermined size or less; One or more magnetics 24 installed at the front of the primary crusher 10 to attach and remove the reinforcing bars 22 existing among the construction wastes transported through the conveying means 12 are attached at regular intervals and rotate the predetermined track. Rotary roll 20; Receiving the construction waste transported to the conveying means 14, the reinforcing bar 22 is removed, the soil is discharged to a certain size, and the dust is collected and suctioned low-specific gravity, the primary sorter for sending the sorted predetermined size of waste to the transport means 30; A secondary crusher 40 for crushing construction waste classified into soil in the primary classifier 30 and crushing it below a predetermined size; A secondary classifier for accommodating the construction waste transported from the secondary crusher 40 to the conveying means 16 to discharge a predetermined size of stone powder, to collect dust of low specific gravity, and to carry waste of a predetermined size that cannot be discharged. 50); Building wastes transported from the secondary classifier 50 to the conveying means 18 are classified as construction wastes, and only the recycled aggregates having a predetermined size or less are discharged, and foreign substances having a low specific gravity are collected and sucked to collect foreign substances having a low specific gravity. Tertiary classifier 70 for carrying the; And a conveying means (60) for conveying building waste of a predetermined size or more that cannot be discharged from the tertiary sorter (70) to the secondary crusher (40). The method of claim 1, The first, second, tertiary classifiers 30, 50, 70 are installed inclined at the bottom of the hopper for injecting construction waste, the disk plate 34 is arranged on the drive shaft 32 to rotate, Installed on top of the disk plate 34, the recycling treatment device for building waste, characterized in that consisting of a dust collector (36) for sucking the foreign matter supported by the injector (38) injected to the top of the disk plate (34). delete

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