KR200236742Y1 - Apparatus for Recycling of Concrete Scrapped Material - Google Patents

Abstract

The present invention crushes building waste to obtain the desired size of gravel and at the same time sorts and recycles the cement-containing sand, thereby preventing natural damage while economically supplying the natural history that is lacking due to excessive collection work, and also sand during construction work. The present invention relates to a construction waste recycling apparatus for supplying and receiving gravel. According to the present invention, the transported waste building is crushed, sorted, regrinded and reclassified to obtain a predetermined gravel, and separated by specific gravity to wash and separate the high-weight sand which is precipitated. It is possible to prevent environmental pollution by recycling construction residues such as gravel without collecting work, and to provide a device that achieves effective resource management effect.

Description

Apparatus for Recycling of Concrete Scrapped Material}

The present invention relates to a construction waste recycling apparatus capable of recycling various construction wastes, and more particularly, by crushing construction wastes to obtain gravel of a desired size, and at the same time by separating and recycling cement-containing sand, The present invention relates to a recycling apparatus for building wastes, which prevents natural damage while economically supplying insufficient natural history due to excessive collection work, and also provides good supply of sand and gravel during construction work.

In general, when dismantling or dismantling a building such as an old house or a bill, a large amount of construction waste of various materials such as concrete, aggregate, reinforcing steel and other metal materials, gravel, wood, paper, glass, or plastic such as styrofoam is generated. Building wastes are classified as special wastes, and landfills are disposed. However, because of limited disposal places due to environmental pollution, industrial wastes are processed with a lot of time and effort, and expensive landfill costs also require illegal dumping. There were many problems such as causing serious environmental pollution.

In addition, from the aspect of resource recycling, recyclable materials such as rebar, gravel, sand, etc. are processed (buried), which causes enormous resource waste.

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

However, the detailed device of the facility for the recycling of construction waste has been continuously developed through technology development, but due to the rational use of the detailed devices can not be prepared for the effective recycling process, the recycling cost is increased, There is a problem such that consumers and producers avoid recyclable construction wastes because the waste is not properly separated to obtain high quality recycled materials.

In addition, the conventional construction waste recycling facility treatment process does not remove and separate dust and soil generated when the construction waste is put into the supply hopper, and does not cause water pollution and float by wet dust and foreign matter removal process. It is impossible to remove foreign substances, raises facility costs due to the installation of several shredding devices, and lacks treatment process for dust generation, causing civil complaints in the neighboring areas. Consumption (450㎾) and installation area (average of 400 pyeong) are excessive.

The present invention, in view of the above-mentioned conventional problems, by crushing the predetermined construction waste pretreated to enable the recycling of the construction waste by separating and sorting into a solid of a predetermined size gravel and sand containing cement components, etc. The present invention provides a recycling apparatus for construction wastes that uses pebbles with good strength and recycles sand containing cement to provide economical supply while preventing natural damage and also providing good supply of sand and gravel during construction work. .

The present invention for achieving the object, the transport means is installed at the outlet of the hopper to which the construction waste is removed, the reinforcing bar is transported a predetermined amount of construction waste; A first crusher for crushing the building waste transported through the transfer means to a predetermined size or less; A primary separator for separating and sorting the building waste crushed by the first crusher into an appropriate size; A secondary crusher for crushing the building waste not sorted by the primary crusher into a conveying means and then crushed to a predetermined size; A secondary sorter for separating and sorting the building waste crushed by the secondary crusher to an appropriate size; When the building residue separated from the secondary separator is introduced and the storage tower storing water and the low gravity product of the building residue injected into the storage tower are injured, the collecting pan and the settled high heavy matter are collected from underwater to the outside. Provided is a recycling apparatus for treating construction waste comprising a transport means for rotating a predetermined track by driving a motor.

1 is a block diagram of a construction waste recycling apparatus according to the present invention,

2 is a plan view of the present invention mill and sorter,

3 is a front view according to FIG. 2,

4 is a cross-sectional view showing the structure of a grinder according to the present invention,

5 is a side view of main parts of the subject innovation sorter,

6 is a plan view of a sand unit according to the present invention.

<Description of Symbols for Main Parts of Drawings>

14; Hopper 16; outlet

18,18a, 19b, 18c, 86; Conveyor belt 20; Primary grinding machine

22; Inlet 24; Axis of rotation

26; Pulley 28; Minute drum

30; Outlet passage 32; outlet

40; Primary separator 50,50a, 50b; screen

60; Primary mill 70; 2nd classifier

80; Sand unit 82; Water tower

84; Collection pan

Hereinafter, embodiments of the present invention will be described in detail based on the accompanying drawings.

1 is a block diagram of a construction waste recycling apparatus according to the present invention, Figure 2 is a plan view of the present invention pulverizer and sorter.

The present invention is the waste building that occurs during the dismantling or demolition of the building is first subjected to a pretreatment process, the rebar, etc. are removed and the aggregate or concrete is classified into a predetermined size through the classifier 10, and the aggregate or concrete that is not classified here Only 60 mm or less) is supplied.

As such, the aggregate or concrete remaining in the primary classification is transported through the feeder 12 and introduced into the hopper 14.

The conveyor belt 16 installed at the outlet 16 side of the hopper 14 carries aggregate or concrete from the hopper 14 to the primary grinder 20 so that the grinding is performed.

As shown in FIG. 4, the primary grinder 20 has an inlet 22 installed at an upper portion thereof, and a pulley 26 connected to a motor side and a belt is installed at a lower end of a rotation shaft 24 installed in a vertical direction at a center thereof. It is. In addition, the upper end of the rotating shaft 24 is provided with a grinding drum 28 to achieve a predetermined rotational movement, the discharge passage 30 is formed in a predetermined region from the edge of the grinding drum 28 to the lower portion of the discharge port 32 )

Aggregate or concrete introduced through the inlet 22 is accommodated in the grinding drum 28 and the grinding drum 28 is rotated as the rotating shaft 24 is rotated by the pulley 26 connected to the motor side and the belt. Aggregate or concrete that has been crushed by mutual impact or collided with the grinding drum 28, and is discharged through the opening of the side surface of the grinding drum 28 by centrifugal force, and then discharged through the discharge passage 30 To be discharged.

At the bottom of the primary crusher 20, a conveyor belt 16a is disposed from the primary crusher 20 to the primary separator 40 for transporting the pulverized product discharged. do.

As shown in FIG. 5, the primary separator 40 has screens 50, 50a, and 50b that are arranged at predetermined heights through upper, middle, and lower ends having different passage diameters, respectively, with a predetermined height difference. Aggregate is freed up, and the interruption is 8-25mm, and the bottom is aggregated 5 ~ 8mm, and the sorting work is performed at the same time. The separated aggregates of the upper, middle and lower screens are sent to each collector for recycling.

Here, the aggregate or concrete that is not filtered by the upper, middle, and lower screens 50, 50a, 50b is disposed on the conveyor belt 60 disposed at a predetermined distance from the primary separator 40. It is sent to the secondary grinder 60 through 18b).

The secondary grinder 60 is configured similarly to the primary grinder 20. That is, the inlet 22 is provided in the upper portion and the pulley 26 connected to the motor side and the belt is provided at the lower end of the rotary shaft 24 installed in the vertical direction from the center. In addition, the upper end of the rotating shaft 24 is provided with a grinding drum 28 to achieve a predetermined rotational movement, the discharge passage 30 is formed in a predetermined region from the edge of the grinding drum 28 to the lower portion of the discharge port 32 ), Aggregate or concrete introduced through the inlet 22 is accommodated in the grinding drum 28 and the grinding shaft 28 is rotated as the rotary shaft 24 is rotated by the pulley 26 connected to the motor side and the belt. ) Aggregates or concrete that is accommodated to rotate is caused by mutual impact or collided with the crushing drum 28 and is pulverized and flowed out through the opening of the side of the crushing drum 28 by centrifugal force and then discharge the outlet passage 30 It is discharged to the discharge port 32 via.

Here, the first and second grinding process is to remove the concrete on the surface of the gravel and in some cases consists of cutting the surface of the gravel. This is when the concrete strength is 210㎏ / ㎠ and the strength of the gravel aggregate is 500㎏ / ㎠ so that the concrete can be crushed the grinding conditions of the grinder 20, 60 gravel is not destroyed because the strength is higher than the concrete Since only the concrete on the gravel surface is removed, the gravel will be able to be recycled as it is. If the gravel surface is not easy to remove, the gravel surface will be cut to obtain excellent and good gravel if it provides more efficient grinding conditions. Can be.

Aggregate or concrete discharged to the outlet 32 of the secondary crusher 60 is supplied to the secondary separator 70 through the conveyor belt 18d. The secondary crusher 30 is classified into a predetermined size while accommodating the crushed building waste, where the crushed building waste is discharged to discharge the gravel, sand and sand residues and the like. To be recycled, gravel and sand must be of reusable size and size.

The secondary separator 70 is also configured in the same manner as the primary separator 40. That is, screens 50, 50a and 50b, which are arranged through the upper, middle, and lower ends of the pass apertures different from each other, are installed with a predetermined height difference, and the upper end of the aggregate is more than 25 mm, and the interruption is 8 to 25 mm, At the bottom, the aggregate of 5 ~ 8㎜ is filtered and the sorting work is performed. At the same time, the separated aggregate at the top, middle and bottom of the screen is sent to each collector for recycling.

The primary separator 40 and the secondary separator 70 are provided with a conveyor belt 18c for transporting the selected aggregate to transport the aggregate of the predetermined size and the aggregate of the predetermined particle to be recycled.

The strips 50, 50a and 50b, which are classified in the primary and secondary separators 40 and 70 that perform the sorting and separating operations, are connected to the sand unit 80 to supply sand of desired particles. do. Of course, the gravel classified as sand unit 80 is collected to be recycled through the other conveyor belt.

The sand unit 80 is provided with a storage tower 82 to which the construction waste separated from the primary and secondary separators 40 and 70 is introduced and stores water, as shown in FIG. The collection pan 84 which collects and collects when the low specific gravity of the building residue put into 82 is provided. Here, the collection pan 84 is composed of a propeller for rotating and recovering small pieces of wood, styrofoam, etc., which are pressurized by the water storage tower 82, to recover by-products while being rotated. The precipitated high specific gravity material is transported to the conveyor belt 86 which rotates a predetermined track by driving a motor from underwater to the outside and is processed to be recycled.

Here, when the water used in the water tower 82 is contaminated in the process of washing the sand, the wastewater is purified by a wastewater treatment apparatus which is commonly used to achieve construction waste treatment without environmental pollution.

Therefore, supplying only the aggregate of the required size to the building material to achieve economical and smooth supply and demand without the landfill work for the harvesting process and disposal to obtain natural death.

The present invention as described above obtains good gravel by crushing, screening, regrinding, and reclassifying concrete among the building wastes generated during the dismantling of buildings, and separating and separating high specific gravity sands by specific gravity. It is a simple structure that continuously screens and extracts the building residues such as sand or gravel, which are essential for the construction, and recycles them as construction waste without collecting them, thereby preventing environmental pollution. It is effective to achieve an economical, good and fast supply and demand state such as to achieve.

Claims (4)

An apparatus for sorting to recycle construction wastes, comprising: A conveying means installed at an outlet of a hopper into which the building waste from which the reinforcing bar is removed is inserted and carrying a predetermined amount of the building waste; A first crusher for crushing the building waste transported through the transfer means to a predetermined size or less; A primary separator for separating and sorting the building waste crushed by the first crusher into an appropriate size; A secondary crusher for crushing the building waste not sorted by the primary crusher into a conveying means and then crushed to a predetermined size; A second sorter for separating and sorting the building waste crushed by the second crusher to an appropriate size; The high-weight aggregate aggregated by low and high specific gravity by inputting aggregates of predetermined sizes and predetermined particles classified in the primary and secondary separators is characterized in that it comprises a sand unit equipped with a conveying means. Recycling apparatus for building waste. The method of claim 1, The first and second sorter is a recycling device for the construction waste, characterized in that the screen is arranged through the upper, middle, lower end of the passage diameter different from each other by a predetermined height difference. The method of claim 1, The primary and secondary grinders are disposed in the lower end of the inlet of the upper part and are installed on a rotating shaft provided with a pulley connected to the motor side and the belt to discharge the predetermined drum from the edge of the grinding drum to the lower part from the edge of the grinding drum. If there is a passage, the waste disposal device for construction waste, characterized in that the outlet is installed at the bottom of the discharge passage. The method of claim 1, The sand unit collects and collects a collection pan and sedimented high-weight waste from underwater when the separated construction waste is put in and the low-tower water storing the water and the low-weight waste of the construction residues put into the water tower are injured. Construction waste recycling apparatus, characterized in that consisting of a conveyor belt for rotating a predetermined track by the drive of.