KR100874665B1 - The constructive recycling methods and instruments of reclaimed waste - Google Patents
The constructive recycling methods and instruments of reclaimed waste Download PDFInfo
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- KR100874665B1 KR100874665B1 KR20080017619A KR20080017619A KR100874665B1 KR 100874665 B1 KR100874665 B1 KR 100874665B1 KR 20080017619 A KR20080017619 A KR 20080017619A KR 20080017619 A KR20080017619 A KR 20080017619A KR 100874665 B1 KR100874665 B1 KR 100874665B1
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- 239000002699 waste material Substances 0.000 title claims abstract description 101
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 17
- 238000010276 construction Methods 0.000 claims abstract description 77
- 239000004575 stone Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims description 12
- 239000003923 scrap metal Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 235000000396 iron Nutrition 0.000 abstract 1
- 239000006148 magnetic separator Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000011384 asphalt concrete Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- -1 rebar Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/02—Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
본 발명은 건설 폐기물의 재활용 방법에 관한 것으로서, 더욱 상세하게는 도로보조기층용, 복토용, 성토용으로 사용되는 순환골재를 항상 일정한 크기로 생산하고 고품질의 순환골재 및 석분을 생산할 수 있는 건설 폐기물을 재활용하여 순환골재를 생산하는 방법에 관한 것이다.The present invention relates to a method for recycling construction waste, and more particularly, to produce a recycled aggregate used for road auxiliary layer, cover, and fill at all times to produce a high-quality recycled aggregate and stone powder. It relates to a method for producing recycled aggregates by recycling.
잘 알려진 바와 같이, 도시화 및 산업화의 진행과정에서 생겨난 많은 구조물, 즉 교량이나 도로 및 각종 건축물들은 세월이 지남에 따라 점차 노후되어 가고 있으며, 특히 최근에는 주거문화의 개선을 위해 많은 지역에서 재건축 및 재개발이 활발하게 추진되고 있다.
이러한 노후 구조물의 해체나 재건축 및 재개발이 추진되는 과정에서 많은 건설 폐기물이 발생되는데, 이러한 건설 폐기물을 그대로 매립할 경우에는 매립지의 확보가 힘들뿐만 아니라 매립비용이 많이 들고, 환경에도 심각한 영향을 미친다. 이에 따라 각국에서는 자연환경의 보호와 함께 자원의 재활용이라는 2가지 측면에서 건설폐기물을 처리하기 위한 갖가지 대책들이 강구되어 왔으며, 우리나라의 경우에도 건설 폐기물에 대한 많은 처리장치가 개발되고 있는 실정이다.
한편, 건설 폐기물은 폐콘크리트, 폐아스팔트콘크리트, 폐벽돌, 폐타일 및 폐도자기, 폐판넬, 폐보드류, 폐기와, 폐블록, 폐목재, 폐합성수지, 철근과 같은 금속류, 폐벽지류, 폐유리류, 폐섬유류, 건설폐토석, 건설오니, 혼합건설폐기물 등 총 17종으로 분류 관리되고 있다.
이와 같이 다양한 폐기물이 혼재되어 있는 건설 폐기물은 처리과정을 통해서 매립용, 소각용 및 재활용으로 분리 처리하게 되면, 특히 근년에는 폐기량의 상당한 포션을 차지하는 폐콘크리트, 폐아스팔트콘크리트 및 건설폐토석을 각종 구조물 또는 건축재의 골재로 사용할 수 있도록 재생함으로써 폐기물의 재활용도를 높이고자 하는 방안이 강구되고 있다. 뿐만 아니라 최근에 들어서는 각종 건설 폐기물을 적극적으로 재활용하여 순환골재로 사용하기 위한 건설 폐기물의 중간 처리에 사용되는 처리장치나 그 방법들에 대해 많은 기술개발이 이루어지고 있다.As is well known, many structures, such as bridges, roads, and other buildings, which have arisen in the process of urbanization and industrialization, are gradually aging over time, especially in recent years in many areas for reconstruction and redevelopment. This is being actively promoted.
In the process of dismantling, reconstructing, and redeveloping old structures, a lot of construction wastes are generated. When the landfills are disposed of as they are, landfills are difficult to secure, and landfill costs are high, and the environment is severely affected. Accordingly, various measures have been taken in each country to treat construction waste in two aspects, such as protection of the natural environment and recycling of resources, and in Korea, many treatment devices for construction waste have been developed.
Meanwhile, construction wastes include waste concrete, waste asphalt concrete, waste bricks, waste tiles and ceramics, waste panels, waste boards, waste blocks, waste blocks, waste wood, waste synthetic resins, metals such as rebar, waste wall paper, waste glass. It is classified and managed into 17 categories including wastes, waste fiber, construction waste soil, construction sludge and mixed construction waste.
When the construction wastes containing various wastes are separated into landfill, incineration, and recycling through the treatment process, in particular, in recent years, waste concrete, waste asphalt concrete, and construction waste soils, which occupy a considerable portion of waste volume, In addition, measures are being taken to increase the recycling of wastes by recycling them to be used as aggregates for building materials. In addition, in recent years, a lot of technical developments have been made on the treatment apparatus or methods used for the intermediate treatment of construction wastes to actively recycle various construction wastes and use them as recycled aggregates.
본 발명은 위와 같이 건설 폐기물을 재활용하는 방법을 오랜 기간 동안 연구 및 개발한 결과, 도로보조기층용 순환골재, 복토용 순환골재, 성토용 순환골재 및 석분, 토사 등을 항상 일정하고 균일한 크기로 생산하고 또한 고품질의 순환골재를 생산할 수 있는 건설 폐기물을 재활용하여 순환골재를 생산하는 방법을 제공하는데 그 목적이 있다.
또한 본 발명의 다른 목적은 건설 폐기물을 재활용함으로써 자원의 낭비를 줄이고 건설 폐기물로 인한 환경오염을 방지할 수 있는 건설 폐기물을 재활용하여 순환골재를 생산하는 방법을 제공함에 있다.
본 발명의 또 다른 목적은 크기별로 선별 분리가 가능하고 다양한 크기의 골재 및 석분, 토사 등을 분리하여 재생 처리할 수 있는 건설 폐기물을 재활용하여 순환골재를 생산하는 방법을 제공함에 있다.The present invention has been researched and developed for a long time as a method of recycling the construction waste, as a result, the road aggregate base aggregate, cover aggregate circulation, fill aggregate and stone powder, earth and sand always produced in a constant and uniform size And also to provide a method for producing recycled aggregates by recycling construction waste that can produce high-quality recycled aggregates.
In addition, another object of the present invention is to provide a method of producing recycled aggregates by recycling construction wastes that can reduce the waste of resources by recycling construction wastes and prevent environmental pollution due to construction wastes.
Still another object of the present invention is to provide a method for producing recycled aggregates by recycling construction wastes capable of sorting and separating aggregates of various sizes and reclaiming and treating various types of aggregates, stone powder, and earth and sand.
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상기한 바와 같은 목적을 달성하기 위한 본 발명은, 각종 건설 폐기물을 재활용하여 도로보조기층용 또는 복토용 혹은 성토용으로 사용되는 순환골재를 생산하는 방법에 있어서, 상기 건설 폐기물을 진동으로 이송시켜 직경 5mm의 스크린망을 통과하게 되면, 통상의 마그네트 장치를 이용하여 상기 건설 폐기물 속에 있는 고철 등을 분리시키고 나머지 건설 폐기물은 이송시켜 5mm 이하의 석분을 생산하는 제1 단계와; 상기 건설 폐기물 중에서 상기 스크린망을 통과하지 못한 건설 폐기물을 통상의 조크러셔 장치로 파쇄 처리한 다음, 마그네트를 이용하여 상기 건설 폐기물 속에 있는 고철 덩어리를 분리하는 제2 단계와; 상기 제2 단계를 거친 건설 폐기물을 40mm의 직경을 가지는 1차 스크린과 40mm 이하의 직경을 가지는 2차 스크린을 이용하여, 상기 1차 스크린을 통과하고 상기 2차 스크린을 통과하지 못한 건설 폐기물을 40mm의 순환골재로 생산하고, 상기 1,2차 스크린을 통과한 건설 폐기물을 5~40mm의 순환골재로 생산하는 제2 단계로 이루어지는 것을 특징으로 한다.The present invention for achieving the object as described above, in the method for producing recycled aggregate used for road auxiliary layer or cover or fill by recycling the various construction waste, the construction waste is transported by vibration to 5mm in diameter When passing through the screen net of the first step of separating the scrap metal and the like in the construction waste by using a conventional magnet device and transporting the remaining construction waste to produce a powder of less than 5mm; A second step of crushing the construction waste which does not pass through the screen net with the conventional jaw crusher device, and then separating the scrap metal scrap in the construction waste by using a magnet; 40 mm of construction waste that passed through the primary screen and failed to pass through the secondary screen, using a primary screen having a diameter of 40 mm and a secondary screen having a diameter of 40 mm or less, for the construction waste that passed the second step. Produced as a recycled aggregate, characterized in that consisting of the second step of producing a waste of construction passed through the primary and secondary screens 5 ~ 40mm recycled aggregate.
본 발명은 건설 폐기물을 재활용하여 순환골재 및 석분으로 생산할 때 침출수, 먼지, 소음, 기타 공해문제를 최소화할 수 있으며, 또한 항상 일정하고 균일한 크기의 순환골재를 생산할 수 있다. 뿐만 아니라 고품질의 순환골재 및 석분을 생산할 수 있고, 특히 도로보조기층용, 복토용, 성토용 순환골재를 생산하여 관급도로공사나 주택공사, 주차장 등에 사용할 수 있는 장점이 있다.The present invention can minimize the leachate, dust, noise, and other pollution problems when recycling the construction waste to produce recycled aggregates and stone powder, and can also produce recycled aggregates of constant and uniform size at all times. In addition, it is possible to produce high-quality recycled aggregates and stone powder, and in particular, there is an advantage that can be used in the official road construction, housing construction, parking lot, etc. by producing circular aggregates for road auxiliary layers, covering soil, and fill.
이하 본 발명의 실시 예를 첨부된 도면을 참조하여 설명하면 다음과 같다. 후술 될 상세한 설명에서는 상술한 기술적 과제를 이루기 위해 본 발명에 있어 대표적인 실시 예를 제시할 것이다. 그리고 본 발명으로 제시될 수 있는 다른 실시 예들은 본 발명의 구성에서 설명으로 대체한다.
본 발명에서는 건설 폐기물을 재활용하여 항상 균일하고 일정한 크기 및 고품질의 순환골재 및 석분을 생산하고, 상기 순환골재를 생산시 발생하는 침출수, 먼지, 소음, 기타 공해문제를 최소화할 수 있도록 하는 건설 폐기물을 재활용하여 순환골재를 생산하는 방법을 구현하고자 한다.
이를 위해서는 각종 건설 폐기물들을 순환골재와 석분으로 생산(즉, 재활용)하는 방법이 구체적으로 개시되어야 하고, 하기에서 제시하고 있는 재활용 방법에 의해 전술한 목적 및 효과를 구현할 수 있으며, 부가적으로 상기 재활용 방법이 적용되고 있는 작업장 내에 세륜장치, 분진막, 야적장 덮개 설치, 살수장치 등을 설치하게 되면 본 발명의 효과를 배가(倍加)시킬 수 있다.
한편, 본 발명의 재활용 방법에 따라 생산된 순환골재는 폐기물 속에 들어있는 각종 이물질을 제거한 것으로, 26~45mm(바람직하게는, 40mm) 범위내의 고품질의 순환골재이고 또한 상기 순환골재를 재생할 때 5mm 이하의 석분도 함께 생산된다. 또한 본 발명에서는 건설 폐기물을 재활용하는 과정에서 고철과 토사도 함께 생산할 수 있는데, 이는 자력선별기 단계와 1차 스크린 단계에서 생산되어진다.
도 1a 내지 도 1b는 본 발명의 바람직한 일 실시 예에 따른 건설 폐기물의 재활용 방법을 구체적으로 보여주고 있는 흐름도이다. 상기 각 도면을 참조하면, 건설 폐기물(예를 들어, 폐콘크리트, 폐아스콘, 폐벽돌, 폐기와, 건설 폐토석, 혼합건설 폐기물 등)을 반입한 다음, 이를 호퍼(hopper)에 투입하고 진동으로 상기 건설 폐기물들을 1차 스크린 단계로 이송시킨다.
상기 1차 스크린 단계(vibrating rubber screen)로 이송된 건설 폐기물은 일정한 직경(구체적으로는, 약 5mm 정도)을 가지는 스크린망을 통과하게 되면 자력선별기 단계로 이송되지만 상기 스크린망을 통과하지 못한 건설 폐기물은 선별 단계로 이송된다.
상기 자력선별기 단계로 이송된 건설 폐기물은 마그네트 장치에 의해 건설 폐기물 속에 들어있는 고철(즉, 작은 크기의 고철 덩어리) 등이 분리되고 나머지 건설 폐기물은 이송되어 본 발명에서 구현하고자 하는 5mm 이하의 골재(이하 "석분"이라 함)로 생산된다.
한편, 상기 스크린망을 통과하지 못한 건설 폐기물은 선별 단계로 이송되는데, 이 선별 단계에서는 인력으로 건설 폐기물에 속에 있는 각종 쓰레기와 고철(즉, 크기가 큰 고철 덩어리) 등이 수작업으로 분리되어진다.
이후, 상기 선별 단계를 거친 건설 폐기물은 1차 파쇄 단계로 이송되어 조크러셔(jaw crusher) 장치로 파쇄 처리된 다음, 자력선별기 단계로 이송되어 전술한 바와 같이 마그네트를 이용하여 건설 폐기물 속에 있는 고철 덩어리를 분리한다.
다음, 2차 파쇄 단계에서 건설 폐기물을 조크러셔(jaw crusher) 장치로 파쇄 처리한 다음, 이를 다시 선별 단계로 이동시켜 인력으로 건설 폐기물 속에 들어있는 각종 쓰레기와 크기가 큰 고철 덩어리를 수작업으로 선별한다. 이때 상기 선별 단계에서 먼지가 비산되는 것을 방지하기 위하여 살수(撒水) 처리한다.
이후, 상기 살수 처리 및 선별 단계를 거친 건설 폐기물은 2차 스크린 단계(vibrating rubber screen)로 이송되고, 상기 2차 스크린 단계에서는 2개의 스크린과 풍력 선별기를 이용하여 작업을 수행하게 된다. 즉, 약 40mm 정도의 직경을 가지는 스크린(이하 "1차 스크린"이라 함)과 약 40mm 이하 정도의 직경을 가지는 스크린(이하 "2차 스크린"이라 함)을 이용하며, 상기 1차 스크린을 통과하지 못한 건설 폐기물은 2차 파쇄 단계로 다시 이송되어 전술한 각 단계(jaw crusher, 선별, 살수 등)를 거친 다음에 2차 스크린 단계를 다시 수행하게 된다.
한편, 상기 1차 스크린을 통과하고 2차 스크린을 통과하지 못한 건설 폐기물은 본 발명에서 구현하고자 하는 40mm의 순환골재로 생산되며, 상기 2차 스크린을 통과한 건설 폐기물은 5~40mm의 순환골재로 생산된다. 이때 전술한 1차 스크린 및 2차 스크린에 형성된 구멍은 위에서 언급한 바와 같이 약 40mm 정도의 구멍과 약 40mm 이하 정도의 구멍으로 기술하였지만, 이는 대략적인 수치 한정일 뿐 40mm의 순환골재를 생산하고 5~40mm 범위내의 순환골재를 생산하기 위하여 스크린의 구멍 크기를 설계하면 된다.
이상과 같은 각 단계를 수행하게 되면, 고철 등의 금속편류가 생산되고, 5mm 이하의 석분과 40mm 순환골재 및 5~40mm 이하의 순환골재가 생산되어진다.
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. In the following description will be presented a representative embodiment in the present invention to achieve the above technical problem. And other embodiments that can be presented with the present invention are replaced by the description in the configuration of the present invention.
In the present invention, the construction waste is always recycled to produce a uniform, constant size and high-quality recycled aggregate and stone powder, and the construction waste to minimize the leachate, dust, noise, and other pollution problems generated during the production of the recycled aggregate It is intended to implement a method for producing recycled aggregate by recycling.
To this end, a method of producing (that is, recycling) various types of construction wastes into recycled aggregate and stone powder should be specifically disclosed, and the above-described objects and effects can be realized by the recycling method described below. Installing a washing machine, a dust screen, a yard cover installation, a watering device, etc. in the workplace to which the method is applied can double the effect of the present invention.
On the other hand, the recycled aggregate produced according to the recycling method of the present invention is to remove various foreign matter contained in the waste, high-quality recycled aggregate in the range of 26 ~ 45mm (preferably, 40mm) and also when recycling the recycled aggregate less than 5mm Of stone powder is also produced. In addition, in the present invention, scrap metal and earth and sand may be produced together in the process of recycling construction waste, which is produced in the magnetic separator stage and the primary screen stage.
1A to 1B are flowcharts showing in detail a method of recycling construction waste according to an exemplary embodiment of the present invention. Referring to each of the drawings, the construction waste (for example, waste concrete, waste ascon, waste brick, waste, construction waste soil, mixed construction waste, etc.) is imported, and then put into a hopper and vibrated The construction wastes are transferred to the primary screen stage.
The construction waste conveyed to the vibrating rubber screen passes through the screen net having a constant diameter (specifically, about 5 mm) and is transferred to the magnetic separator stage, but the construction waste failed to pass through the screen net. Is transferred to the sorting stage.
The construction wastes transferred to the magnetic separator are separated from scrap metal (that is, small sized scrap metal), etc. contained in the construction wastes by a magnet device, and the remaining construction wastes are transferred to aggregates of 5 mm or less to be implemented in the present invention ( Hereinafter referred to as "stone powder".
On the other hand, the construction waste that does not pass through the screen net is sent to the sorting step, in which the various wastes and scrap metal (that is, large pieces of scrap metal) and the like contained in the construction waste by the manpower is separated by hand.
Thereafter, the construction waste that has undergone the sorting step is transferred to the first crushing step, crushed by a jaw crusher device, and then transferred to the magnetic separator to transfer the mass of scrap metal in the construction waste using a magnet as described above. Disconnect.
Next, in the second crushing stage, the construction waste is shredded with a jaw crusher device, and then moved to the sorting stage, whereby various kinds of garbage and large scrap metal contained in the construction waste are manually sorted by manpower. . At this time, in order to prevent the dust from scattering in the sorting step (살 水) treatment.
Thereafter, the construction waste that has undergone the watering treatment and sorting steps is transferred to a second screening step (vibrating rubber screen), and the second screening step is performed using two screens and a wind sorter. That is, a screen having a diameter of about 40 mm (hereinafter referred to as a "primary screen") and a screen having a diameter of about 40 mm or less (hereinafter referred to as a "secondary screen") are used to pass through the primary screen. The failed construction waste is transported back to the secondary crushing stage, which goes through each of the aforementioned stages (jaw crusher, sorting, sprinkling, etc.) and then performs the second screen stage again.
On the other hand, the construction waste that passed through the primary screen and did not pass through the secondary screen is produced in a 40mm recycled aggregate to be implemented in the present invention, the construction waste passed through the secondary screen is a recycled aggregate of 5 ~ 40mm Produced. At this time, the above-described holes formed in the primary screen and the secondary screen are described as holes of about 40 mm and holes of about 40 mm or less as mentioned above, but this is only an approximate numerical value and produces 40 mm of circulating aggregate. The hole size of the screen can be designed to produce circular aggregates in the 40 mm range.
When performing each step as described above, metal drift, such as scrap iron is produced, and 5 mm or less stone powder and 40 mm circulating aggregate and 5 to 40 mm circulating aggregate are produced.
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도 1a 내지 도 1b는 본 발명의 바람직한 일 실시 예에 따른 건설 폐기물의 재활용 방법을 보여주고 있는 도면.1a to 1b is a view showing a recycling method of construction waste according to an embodiment of the present invention.
Claims (2)
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| KR20080017619A KR100874665B1 (en) | 2008-02-27 | 2008-02-27 | The constructive recycling methods and instruments of reclaimed waste |
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| KR100874665B1 true KR100874665B1 (en) | 2008-12-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109985711A (en) * | 2019-03-22 | 2019-07-09 | 中幽环保科技河北有限公司 | A kind of mobile modularized building solid waste original position recycling treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985711A (en) * | 2019-03-22 | 2019-07-09 | 中幽环保科技河北有限公司 | A kind of mobile modularized building solid waste original position recycling treatment |
| CN109985711B (en) * | 2019-03-22 | 2023-09-26 | 上海达人建设科技集团有限公司 | Mobile modularized building solid waste in-situ recycling treatment |
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