KR20010069241A - Field treatment method wastes of reconstruction,redeveloping - Google Patents
Field treatment method wastes of reconstruction,redeveloping Download PDFInfo
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- KR20010069241A KR20010069241A KR1020000052381A KR20000052381A KR20010069241A KR 20010069241 A KR20010069241 A KR 20010069241A KR 1020000052381 A KR1020000052381 A KR 1020000052381A KR 20000052381 A KR20000052381 A KR 20000052381A KR 20010069241 A KR20010069241 A KR 20010069241A
- Authority
- KR
- South Korea
- Prior art keywords
- conveyor
- waste
- aggregate
- crusher
- blower
- Prior art date
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 150000002739 metals Chemical class 0.000 claims abstract description 8
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000010813 municipal solid waste Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 7
- 239000004576 sand Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- -1 rebar Substances 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
본 발명은 재건축,재개발 건설현장에서 발생된 폐기물 즉 콘크리트,철근,폐목재,토사,아스팔트등이 혼합되어 있는 폐기물을 현장에서 재건축 현장에서 활용할 수 있도록 골재의 크기를 필요에 따라 다단계로 분리,선별시키는 환경친화적인 재건축,재개발 폐기물의 현장 재활용 방법에 관한 것으로 더욱 상세하게는 죠 크러셔에서 폐기물을 일차 파쇄시켜 원심분리기에서 토사를 선별시킨 후 임팩트 크러셔에서 이차 파쇄시켜 더블 진동 스크린에서 골재의 크기를 분류,선별시켜 각각의 컨베이어를 통하여 필요한 골재의 크기로 분류,선별시키고 상기의 분류공정에서 골재의 크기를 조정하기 위하여 공정중에 별도의 컨베이어를 이용하여 공정수순을 재반복시켜서 조절할 수 있게한 것이다.The present invention separates and selects the size of the aggregate into multiple stages as necessary to utilize the waste generated from the reconstruction and redevelopment construction sites, that is, the concrete, rebar, waste wood, earth and asphalt, etc. Environmental reconstruction and redevelopment waste recycling method on site, more specifically, the first crushing of the waste in the jaw crusher to sort the soil in the centrifuge and then the second crushing in the impact crusher to classify the aggregate size in the double vibrating screen By sorting, sorting and selecting the required aggregate size through each conveyor, and to adjust the size of the aggregate in the above sorting process, it is possible to control by repeating the process procedure by using a separate conveyor during the process.
일반적으로 재건축현장에서 발생되는 철거된 폐기물은 콘크리트,철근,폐목재,토사,아스팔트,암석,토사,합성수지,지류 및 비닐류의 다양한 혼합물로 구성되어 있어서 분리,선별시에는 재활용할 수 있는 자원이나 종래에는 재활용이 가능한 폐기물도 분리,선별의 문제점으로 인하여 모든 재건축 현장의 폐기물을 매립 처리장에 폐기시키고 있는 실정이어서 활용 가능한 자원을 낭비하고 있으며 또한 폐기물의 매립으로 인한 자연환경을 파괴할 뿐만아니라 매립지의 확보 문제와 자연환경보호에도 역행하는 등의 문제점이 있었다.In general, the demolition waste generated at the reconstruction site is composed of various mixtures of concrete, rebar, waste wood, earth, asphalt, rock, earth, synthetic resin, paper, and vinyl. Due to the problem of separation and sorting of wastes that can be recycled, the wastes of all reconstruction sites are disposed of in landfills, which wastes usable resources and not only destroys the natural environment caused by landfills but also secures landfills. There were also problems such as reversing problems and protecting the natural environment.
따라서 본 발명은 상기와 같은 종래의 문제점을 해결하기 위한 목적으로 창출된 것으로 재건축 현장에서 발생되는 폐기물을 크기를 다단계로 분리,선별하여 재건축 공사시에 재활용 골재로 사용할 수 있게 하여 폐기물의 활용도를 향상시키고 매립처리되는 폐기물의 양을 최소화시킨 환경친화적인 재개발,재건축 폐기물의 현장 재활용 방법을 제공하기 위한 것이다.Therefore, the present invention was created for the purpose of solving the conventional problems as described above to separate and select the waste generated in the reconstruction site in multiple stages to be used as recycled aggregate during reconstruction work to improve the utilization of waste To provide an environmentally friendly redevelopment and reconstruction waste recycling method that minimizes the amount of waste that is landfilled and landfilled.
상기한 재활용 방법을 제공하기 위하여 철거된 폐기물을 죠 크러셔에 투입시켜 일정크기로 일차 파쇄시켜 롤러가 없는 고무판과 NC나일론으로 제작된 컨베이어를 통해 마그네틱 컨베이어를 통과하면서 철근 및 금속류를 선별하고 원심분리기에서 토사는 측면 컨베이어를 통하여 선별시키고 원심분리기를 통과한 폐기물은 상승 컨베이어의 후단으로 이송되면서 하단에 설치된 송풍기의 풍압으로 쓰레기를 선별한 후 컨베이어에 의하여 임팩트 크러셔에서 이차 파쇄하여 더블 진동 스크린으로 이송시켜 3단계로 분리되어 각각의 컨베이어와 송풍기를 통하여 가벼운 쓰레기는 제거하고 수중컨베이어와 스크류 컨베이어로 3단계 크기의 골재로 분류,선별시켜 재활용 골재로 사용할 수 있게한 것이며 골재의 크기를 작게 할 경우에는 컨베이어를 역공정으로 순환시켜 임팩트 크러셔를 재차 통과하는 공정으로도 가능케 하여 필요한 크기의 골재로 재활용 할 수 있게한 방법을 제공할 수 있는 것이다.In order to provide the above-mentioned recycling method, the demolition waste is put into the jaw crusher and crushed to a certain size, and then the rebar and metal are sorted while passing through the magnetic conveyor through a roller plate made of rubber plate and NC nylon, and the centrifuge The earth and sand are sorted through the side conveyor, and the waste passed through the centrifuge is transported to the rear end of the lift conveyor, and the waste is sorted by the wind pressure of the blower installed at the bottom, and then crushed in the impact crusher by the conveyor to the double vibrating screen. It is divided into stages, and light waste is removed through each conveyor and blower, and it is classified into three-stage aggregates by an underwater conveyor and screw conveyor to be used as recycled aggregates. Reverse process To be in the process through the impact crusher again can also provide a way to make the required size aggregates can be recycled to allow circulation.
도 1 은 본 발명의 실시예에 따른 전체구조 개념도1 is a conceptual diagram of the overall structure according to an embodiment of the present invention
도 2 는 본 발명의 다른 실시예에 따른 전체구조 개념도2 is a conceptual diagram of the overall structure according to another embodiment of the present invention
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
(1) 죠 크러셔 (2) 컨베이어(1) jaw crusher (2) conveyor
(3) 마그네틱 컨베이어 (4) 원심분리기(3) magnetic conveyor (4) centrifuge
(5) 측면 컨베이어 (6) 상승 컨베이어(5) side conveyor (6) lift conveyor
(7)(7')(7") 송풍기 (8)(8')(8") 컨베이어(7) (7 ') (7 ") blower (8) (8') (8") conveyor
(9) 임팩트 크러셔 (10) 더블 진동 스크린(9) Impact Crusher (10) Double Vibrating Screen
(10') 스크린 (11)(11') 수중 컨베이어(10 ') screen (11) (11') underwater conveyor
(12) 스크류 컨베이어12 screw conveyor
이하 발명의 요지를 첨부된 도면에 연계시켜 그 구성과 작용을 상세히 설명하면 다음과 같다.Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.
도 1 은 본 발명의 실시예에 따른 전체구조 개념도로서,1 is a conceptual diagram of an overall structure according to an embodiment of the present invention,
철거된 폐기물을 죠 크러셔(1)에 투입시켜 일차 파쇄시켜 롤러가 없는 고무판과 NC나일론으로 제작된 컨베이어(2)를 통하여 마그네틱 컨베이어(3)에서 철근 및 금속류를 선별시키고 원심분리기(4)에서 토사는 측면 컨베이어(5)를 통하여 분리하고 원심분리기(4)를 통과한 폐기물이 상승 컨베이어(6)의 후단으로 이송되면서 하단에 설치된 송풍기(7)로 쓰레기를 선별한 후 컨베이어(8)에 의하여 임팩트 크러셔(9)에서 이차 파쇄시켜 더블 진동 스크린(10)에서 3단계로 분리되어 각각의 컨베이어(8')(8")와 송풍기(7')(7")로 쓰레기는 제거하고 수중컨베이어(11)(11')와 스크류 컨베이어(12)로 3단계 크기의 골재로 분류,선별시켜 재활용 골재로 사용할 수 있게한 방법이다.The demolition waste is put into the jaw crusher (1) and crushed first, and the rebar and metals are sorted by the magnetic conveyor (3) through a roller (2) made of a rollerless rubber plate and NC nylon. The waste is separated through the side conveyor (5) and the waste passed through the centrifuge (4) is transported to the rear end of the lift conveyor (6) to sort the waste by the blower (7) installed at the bottom and then impacted by the conveyor (8) Secondary crushing in crusher (9) separates in three stages on double vibrating screen (10) to remove rubbish with each conveyor (8 ') (8 ") and blower (7') (7") and submersible conveyor (11). 11 ') and screw conveyor 12 are classified into three-stage aggregates and selected to be used as recycled aggregates.
골재의 크기를 작게 할 경우에는 상기 더블 진동 스크린(10)에서 컨베이어(S)를 역공정으로 순환시켜 임팩트 크러셔(9)를 재차 통과하는 공정으로 필요한 크기의 골재로 재활용 할 수도 있는 것이다.In the case of reducing the size of aggregate, the double vibrating screen 10 may be recycled to aggregate of the required size by circulating the conveyor S in a reverse process and passing the impact crusher 9 again.
도 2 는 본 발명의 다른 실시예에 따른 전체구조 개념도로서,2 is a conceptual diagram of the overall structure according to another embodiment of the present invention,
철거된 폐기물을 죠 크러셔(1)에 투입시켜 일차 파쇄시켜 롤러가 없는 고무판과 NC나일론으로 제작된 컨베이어(2)를 통하여 마그네틱 컨베이어(3)에서 철근 및 금속류를 선별시키고 원심분리기(4)에서 토사는 측면 컨베이어(5)를 통하여 분리하고 원심분리기(4)를 통과한 폐기물이 상승 컨베이어(6)의 후단으로 이송되면서하단에 설치된 송풍기(7)로 쓰레기를 선별한 후 컨베이어(8)에 의하여 임팩트 크러셔(9)에서 이차 파쇄시켜 스크린(10')에서 40mm이상 크기의 골재는 컨베이어(S')를 상승 컨베이어(6)로 이송시켜 역공정으로 순환시켜 임팩트 크러셔(9)를 재차 통과시켜 더블 진동 스크린(10)에서 2단계로 분리되어 컨베이어(8')와 송풍기(7')로 쓰레기는 제거하고 수중컨베이어(11)와 스크류 컨베이어(12)로 2단계 크기의 골재로 분류,선별시켜 재활용 골재로 사용할 수 있게한 방법이다.The demolition waste is put into the jaw crusher (1) and crushed first, and the rebar and metals are sorted by the magnetic conveyor (3) through a roller (2) made of a rollerless rubber plate and NC nylon. The waste is separated through the side conveyor (5) and the waste passed through the centrifuge (4) is transported to the rear end of the lift conveyor (6) to sort the waste with the blower (7) installed at the bottom and then impacted by the conveyor (8) Secondary crushing in the crusher (9), aggregate of more than 40mm in the screen (10 ') transfers the conveyor (S') to the lift conveyor (6) and circulates in the reverse process to pass the impact crusher (9) again to double vibration The screen 10 is separated into two stages, and the garbage is removed by the conveyor 8 'and the blower 7'. The submerged conveyor 11 and the screw conveyor 12 are classified into aggregates of two stages and sorted into recycled aggregates. Used as It is how one can make.
도면중 미설명 부호 (20)(20')는 쓰레기 저장고이다.In the drawings, reference numerals 20 and 20 'denote waste bins.
이와 같이된 본 발명은 상기 일시예에서와 같이 재활용 골재를 생산하기 위하여 재개발,건축현장에서 발생된 폐기물을 죠 크러셔(1)에 투입시켜 일정크기로 파쇄된 골재를 롤러가 없는 고무판과 NC나일론으로 제작된 컨베이어(2)로 이송하면서마그네틱 컨베이어(3) 라인에서 철근 및 금속류를 마그네틱의 자력으로 선별시키고 철근 및 금속이 선별된 골재는 원심분리기(4)에서 회전시켜 미세한 입자와 토사는 측면 컨베이어(5)로 분리시키고 원심분리기(4)를 통과한 골재는 상승 컨베이어(6)의 통하여 이송되면서 선단에서 상승 컨베이어(6)의 하단에 설치된 송풍기(7)의 풍압에 의하여 쓰레기를 쓰레기 저장고(20)로 선별,분리시키고 골재는 컨베이어(8)에 의하여 임팩트 크러셔(9)에서 이차 파쇄시켜 골재의 크기를 작게하여 더블 진동 스크린(10)에서 3단계로 분리되는 것이다.In the present invention as described above, in order to produce recycled aggregates, the wastes generated at the redevelopment and construction sites are introduced into the jaw crusher (1), and the aggregates crushed to a certain size are made of a roller-free rubber sheet and NC nylon. Reinforcing bars and metals are sorted by magnetic force in the magnetic conveyor (3) line while transferring to the manufactured conveyor (2), and the aggregates in which the bars and metals are selected are rotated in the centrifuge (4), so that fine particles and earth and sand are separated from the side conveyor ( 5) Aggregate separated through the centrifuge and passed through the centrifuge 4 is transported through the lift conveyor 6 to dispose the garbage by the wind pressure of the blower 7 installed at the lower end of the lift conveyor 6 at the front end. The aggregate is separated and the aggregate is secondary crushed by the impact crusher (9) by the conveyor (8) to reduce the size of the aggregate in three steps in the double vibrating screen (10). It is to be separated.
즉 더블 진동 스크린(10)에서 골재의 크기가 3단계로 분류되어 스크류 컨베이어(12)와 컨베이어(8')(8")로 이송시키는 데 컨베이어(8')(8")로 이송되는 골재는 그 하단에 설치된 송풍기(7')(7")의 풍압으로 쓰레기는 분리하여 쓰레기 저장고(20')로 제거하고 각각의 수중컨베이어(11)(11')로 3단계 크기의 골재로 분류,선별시켜 재활용 할 수 있는 것이다.That is, in the double vibrating screen 10, the aggregate size is divided into three stages, and the aggregate is transferred to the conveyors 8 'and 8 "to be transferred to the screw conveyor 12 and the conveyors 8' and 8". The waste is separated by the wind pressure of the blower (7 ') (7 ") installed at the bottom and removed by the waste storage (20'), and classified into three-stage aggregates by each underwater conveyor (11) (11 '). It can be recycled.
상기의 3단계로 분리된 골재의 크기는 스크류 컨베이어(12)로 분리된 골재는 20mm이하이고 수중 컨베이어(11)로 분리된 골재는 20-40mm정도이고 수중 컨베이어(11')로 분리된 골재는 40-100mm정도이다.The size of the aggregate separated in the above three steps is less than 20mm aggregate aggregated by the screw conveyor 12, the aggregate separated by the underwater conveyor 11 is about 20-40mm and the aggregate separated by the underwater conveyor 11 ' It is about 40-100mm.
상기한 골재의 크기를 작게 할 경우에는 더블 진동 스크린(10)에서 컨베이어(8")를 통하여 수중 컨베이어(11')로 연결되는 라인을 컨베이어(8")에서 컨베이어(S)를 통하여 상승 컨베이어(6)를 통한 역공정으로 순환시켜 임팩트 크러셔(9)를 재차 통과시키는 공정을 통하여 필요한 크기의 골재로 재활용 할 수 있는 것이다.In order to reduce the size of the aggregate, the line from the double vibrating screen 10 to the underwater conveyor 11 'through the conveyor 8 " It can be recycled into aggregate of required size through the process of circulating through the reverse process through 6) and passing the impact crusher (9) again.
상기 다른 일시예에서와 같이 재활용 골재를 생산하기 위해서는 재개발,건축현장에서 발생된 폐기물을 죠 크러셔(1)에 투입시켜 일차 파쇄시켜 컨베이어(2)를 통하여 마그네틱 컨베이어(3)에서 철근 및 금속류를 선별시키고 원심분리기(4)에서 토사는 측면 컨베이어(5)를 통하여 분리하고 원심분리기(4)를 통과한 폐기물이 상승 컨베이어(6)의 후단으로 이송되면서 하단에 설치된 송풍기(7)로 쓰레기를 Tm레기 저장고(20)로 선별한 후 컨베이어(8)에 의하여 임팩트 크러셔(9)에서 이차 파쇄시켜는 공정은 상기한 일시예와 동일하나 임팩트 크러셔(9)에서 스크린(10')을 통과하면서 골재의 크기가 40mm이상의 크기는 컨베이어(S')를 통하여 상승 컨베이어(6)로 이송시켜 역공정으로 순환시켜 임팩트 크러셔(9)를 재차 통과하는공정을 거쳐서 더블 진동 스크린(10)에서 2단계로 분리되어 컨베이어(8')와 송풍기(7')로 쓰레기는 쓰레기 저장고(20')로 제거하고 수중컨베이어(11)와 스크류 컨베이어(12)로 2단계 크기의 골재로 분류,선별시켜 재활용 골재로 사용할 수 있게 하였다.In order to produce recycled aggregates as in the other temporary examples, the wastes generated at the redevelopment and construction sites are put into jaw crusher (1) and first crushed to sort rebar and metals in the magnetic conveyor (3) through the conveyor (2). In the centrifugal separator (4), the earth and sand are separated through the side conveyor (5), and the waste passing through the centrifuge (4) is transferred to the rear end of the ascending conveyor (6). The second crushing process of the impact crusher 9 by sorting the storage 20 and then by the conveyor 8 is the same as the above-described example, but the size of the aggregate while passing through the screen 10 'in the impact crusher 9 The size of 40 mm or more is transferred to the lift conveyor 6 through the conveyor S ', circulated in the reverse process, and passed through the impact crusher 9 again. The waste is separated into stages and the garbage is removed by the waste storage 20 'by the conveyor 8' and the blower 7 '. The submerged conveyor 11 and the screw conveyor 12 are classified into aggregates of two stages, and then recycled. It can be used as aggregate.
상기의 2단계로 분리된 골재의 크기는 스크류 컨베이어(12)로 분리된 골재는 10mm이하이고 수중 컨베이어(11)로 분리된 골재는 10-40mm정도이다.The size of the aggregate separated in the above two stages is less than 10mm aggregate aggregate separated by the screw conveyor 12 and about 10-40mm aggregate aggregate separated by the underwater conveyor (11).
본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.
그러므로 본 발명은 재개발,건축현장에서 골재의 크기별로 분류시켜 건축현장에서 사용할 수 있게 함으로써 사용골재의 대체효과를 가질 수 있고 매립 쓰레기의 량을 최소화하여 환경오염을 방지하고 매립지 확보와 운송물류비용을 절감시켜서 시공비용을 줄이면서 자연환경을 보호할 수 있는 등의 효과가 있는 것이다.Therefore, the present invention can have the replacement effect of the aggregate used by redevelopment, the construction site by the size of aggregate to be used in the construction site, and minimize the amount of landfill waste to prevent environmental pollution, secure landfill and transport logistics costs By reducing the construction cost while saving the natural environment is effective.
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| KR20020043467A (en) * | 2002-04-01 | 2002-06-10 | 삼성환경산업 주식회사 | Crushing/assorting apparatus of construction waste |
| KR100458183B1 (en) * | 2001-08-03 | 2004-11-26 | 주식회사 신텍 | Method for disposal of wast matter of reconstruction on the spot and its appratus |
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| KR100458183B1 (en) * | 2001-08-03 | 2004-11-26 | 주식회사 신텍 | Method for disposal of wast matter of reconstruction on the spot and its appratus |
| KR20020043467A (en) * | 2002-04-01 | 2002-06-10 | 삼성환경산업 주식회사 | Crushing/assorting apparatus of construction waste |
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