KR20030083663A - Method and apparatus for manufacturing a sand and stone using a construction waste matter - Google Patents

Method and apparatus for manufacturing a sand and stone using a construction waste matter Download PDF

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Publication number
KR20030083663A
KR20030083663A KR1020030069760A KR20030069760A KR20030083663A KR 20030083663 A KR20030083663 A KR 20030083663A KR 1020030069760 A KR1020030069760 A KR 1020030069760A KR 20030069760 A KR20030069760 A KR 20030069760A KR 20030083663 A KR20030083663 A KR 20030083663A
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South Korea
Prior art keywords
aggregate
concrete
mortar
sand
paste
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KR1020030069760A
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Korean (ko)
Inventor
기준호
기형호
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삼영플랜트주식회사
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Priority to KR1020030069760A priority Critical patent/KR20030083663A/en
Publication of KR20030083663A publication Critical patent/KR20030083663A/en

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
    • 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
    • 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
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • 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

Abstract

PURPOSE: A method and an apparatus for producing recycled aggregate and sand by removing cement paste and mortar from waste concrete so that the recycled aggregate and sand are used as aggregate and sand for ready-mixed concrete are provided. CONSTITUTION: The apparatus comprises a crushing and foreign material removing unit(100) for crushing the waste concrete to a certain size and removing foreign materials from the crushed waste concrete; first impact crusher(110) comprising rotor to which the crushed waste concrete is supplied, and which rotates the crushed waste concrete, and an anvil with which waste concrete radially discharged by rotary power of the rotor is collided so as to remove concrete paste and mortar stuck to the surface of aggregate and between prominence and depression of aggregate; first vibration sorter(111) for sorting the aggregate, concrete paste and mortar crushed in the first impact crusher into certain sized sand and aggregate; second impact crusher(112) comprising rotor to which the sorted aggregate is supplied, and which rotates the sorted aggregate, and an anvil with which concrete radially discharged by rotary power of the rotor is collided so as to remove again concrete paste and mortar stuck to the surface of aggregate and between prominence and depression of aggregate; and second vibration sorter(113) for sorting the secondly crushed aggregate, concrete paste and mortar into certain sized sand and aggregate.

Description

건설폐기물로부터 시멘트 페이스트 및 모르타르가 제거된 재생골재 및 모래를 생산하는 방법 및 장치 {Method and apparatus for manufacturing a sand and stone using a construction waste matter}Method and apparatus for producing recycled aggregate and sand from which cement paste and mortar have been removed from construction wastes {Method and apparatus for manufacturing a sand and stone using a construction waste matter}

본 발명은 건설폐기물의 폐콘크리트로부터 시멘트 페이스트 및 모르타르가 제거된 레미콘용 재생골재 및 모래를 생산하는 방법에 관한 것으로써, 더 상세하게는 건설폐기물의 폐콘크리트로부터 레미콘용 골재로 사용이 가능하도록 파쇄,선별 및 이물질제거 공정을 거친 골재의 요철사이에 부착되어 있는 시멘트페이스트(paste) 및 모르타르(mortar)가 제거된 재생골재 및 모래를 생산하는 방법 및 장치에 관한 것이다.The present invention relates to a method for producing recycled aggregates and sand for ready-mixed concrete having cement paste and mortar removed from waste concrete of construction wastes, and more specifically, to be used as waste aggregates from waste concrete of construction wastes. The present invention relates to a method and apparatus for producing regenerated aggregate and sand from which cement paste (paste) and mortar (attached) adhered between irregularities of aggregates subjected to selection and debris removal processes are removed.

통상적으로 노후화된 건축물로부터는 각종의 건설폐기물이 다량으로 배출되고 있는 바, 매립지의 부족, 불법투기 등을 방지하기 위하여 건설폐기물을 재활용토록하고 있다.Generally, a large amount of various construction wastes are discharged from old buildings, and construction wastes are recycled to prevent shortage of landfills and illegal dumping.

일반적인 재생골재 및 모래의 제조장치에 의해 재생된 재생골재 및 모래에는 시멘트 페이스트(cement paste) 및 시멘트 모르타르(cement mortar)등이 제거되고 못하고 표면 및 요철사이에 부착되어 있게 된다. 이러한 시멘트 페이스트 및 모르타르가 부착된 재생골재 및 모래는 레미콘용 골재 및 모래로의 사용은 부적합하여, 통상은 단순매립용 또는 복토재 보조기층용으로 사용되고 있다. 따라서 현재 레미콘용골재 및 모래는 석산(石山)으로부터 채취한 원석(原石)을 파쇄하여 생산하고 있다. 이에 따라서 자원이 낭비되고 환경이 급속히 파괴되고 있는 실정에 있다.Cement paste and cement mortar are not removed from the recycled aggregate and sand, which is recycled by a general apparatus for producing recycled aggregate and sand, and is attached between surfaces and irregularities. Such cement paste and mortar-attached recycled aggregates and sands are unsuitable for use as aggregates and sands for ready-mixed concrete, and are usually used for simple landfill or cover soil auxiliary layers. Therefore, ready-mixed concrete aggregates and sand are produced by crushing raw stones (原 石) taken from Seoksan (石山). As a result, resources are wasted and the environment is rapidly being destroyed.

본 발명은 폐콘크리트로부터 레미콘용 골재 및 모래로의 사용이 가능하도록 한 시멘트 페이스트 및 모르타르가 제거된 재생골재 및 모래를 생산하는 방법 및 장치를 제공하는 데 그 목적이 있다.It is an object of the present invention to provide a method and apparatus for producing recycled aggregates and sand from which cement paste and mortar have been removed from waste concrete to be used as aggregates and sand for ready-mixed concrete.

도 1은 골재생산과정을 개략적으로 나타낸 도면,1 is a view schematically showing the aggregate production process,

도 2는 임팩트 크러셔를 나타낸 단면도,2 is a cross-sectional view showing an impact crusher,

도 3은 본 발명 방법 및 장치를 설명하기 위한 흐름도이다.3 is a flowchart for explaining the method and apparatus of the present invention.

＜도면의 주요부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

110...제1임팩트크러셔 112...제2임팩트크러셔110 ... first impact crusher 112 ... second impact crusher

200...폐기 콘크리트 201...골재200 ... Waste Concrete 201 ... Aggregate

202...시멘트페이스트 또는 모르타르202 ... cement paste or mortar

상기 목적을 달성하는 본 발명은 폐콘크리트의 골재 표면에 부착된 시멘트 페이스트 및 모르타르를 제거하여 재생골재 및 모래를 생산하는 방법에 있어서, 상기 폐 콘크리트를 레미콘골재로 사용가능한 크기로 파쇄하고 목재,스치로폼등의 이물질을 제거하는 이물질제거 및 파쇄단계와, 상기 파쇄된 콘크리트를 제1임팩트크러셔에 공급하여 원심력에 의한 충돌로 충격 및 진동에 의해 골재표면으로부터 콘크리트 페이스트 및 모르타르를 제거하는 단계와, 상기 단계에서 콘크리트 페이스트 및 모르타르가 제거된 콘크리트 파쇄물을 진동선별기에 투입하여 일정크기의 모래와 골재로 선별하는 단계와, 상기 단계에서 선별된 골재를 제2임팩트크러셔에 공급하여 원심력에 의한 충돌로 2차로 충격 및 진동에 의해 골재표면으로부터 재차 콘크리트 페이스트 및는 모르타르를 제거하는 단계와, 상기 2차로 콘크리트 페이스트 및 모르타르가 제거된 콘크리트 파쇄물을 진동선별기에 투입하여 일정크기의 모래와 재생골재로 선별하는 단계를 포함하는 것을 특징으로 한다.The present invention to achieve the above object is a method for producing recycled aggregates and sand by removing the cement paste and mortar attached to the aggregate surface of the waste concrete, the waste concrete is shredded to the size available as a concrete concrete and wood, styrofoam Removing foreign material and crushing to remove foreign matters such as, and removing the concrete paste and mortar from the aggregate surface by impact and vibration by supplying the crushed concrete to the first impact crusher by impact due to centrifugal force, and the step Injecting the concrete crushed concrete and the mortar removed in the vibrating screen to sort the sand and aggregate of a certain size, and supplying the aggregate selected in the step to the second impact crusher to impact the secondary by the centrifugal force impact Concrete face again from aggregate surface by vibration and vibration And removing mitneun mortar, put into the two-paste concrete and concrete mortar is removed the debris away to vibration sorting machines characterized in that it comprises the step of selecting a predetermined size of the sand and recycled aggregates.

상기 목적을 달성하는 본 발명은 폐 콘크리트의 골재 표면으로부터 시멘트 페이스트 및 모르타르를 제거하여 재생골재 및 모래를 생산하는 장치에 있어서, 상기 폐 콘크리트를 레미콘용골재로 사용가능하한 크기로 파쇄하고 목재,스치로폼등의 이물질을 제거하는 파쇄 및 이물질제거 유니트와, 상기 파쇄된 콘크리트를 원심력에 의해 외부고정판에 충돌시켜서 충격 및 진동에 의해 골재표면으로부터 콘크리트 페이스트 및 모르타르를 제거시키는 제1임팩트크러셔와, 상기 콘크리트 페이스트 및 모르타르가 제거된 콘크리트 파쇄물을 일정크기의 모래와 골재로 선별하는 제1진동선별기와, 상기 선별된 골재를 원심력에 의해 외부고정판에 충돌시켜서 충격 및 진동에 의해 골재표면으로부터 재차 콘크리트 페이스트 및 모르타르를 제거시키는 제2임팩트크러셔와, 상기 2차로 콘크리트 페이스트 및 모르타르가 제거된 콘크리트 파쇄물을 일정크기의 모래와 골재로 선별하는 제2진동선별기를 구비한 것을 특징으로 한다.The present invention to achieve the above object in the apparatus for producing recycled aggregate and sand by removing cement paste and mortar from the aggregate surface of the waste concrete, the waste concrete is shredded to the size that can be used as a concrete aggregate and wood, styrofoam A crushing and debris removing unit for removing foreign substances such as foreign matters, a first impact crusher for removing the concrete paste and mortar from the aggregate surface by impact and vibration by colliding the crushed concrete with the external fixing plate by centrifugal force, and the concrete paste And a first vibrating separator for sorting the concrete debris from which mortar has been removed with a predetermined size of sand and aggregates, and imparting the selected aggregates to the external fixing plate by centrifugal force so that the concrete pastes and mortars can be recovered from the aggregate surface by impact and vibration. 2nd impact to remove And a second vibrator for sorting the concrete debris from which the second concrete paste and the mortar are removed by sand and aggregate of a predetermined size.

이하 첨부된 도면을 참조하면서 본 발명에 따른 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명은 건축폐기물인 폐 콘크리트의 골재 표면 및 골재의 용철사이에 부착된 시멘트 페이스트 및 모르타르를 제거하여 재생골재 및 모래를 생산하는 방법에 관한 것이다. 도 1 내지 도 3을 참조하면, 본 발명 재생골재 및 모래를 생산하는 방법은 상기 폐 콘크리트(200)를 레미콘용 골재로 사용가능한 크기로 파쇄하고 목재, 스치로폼등의 이물질을 제거하는 이물질 제거 및 파쇄단계(100)와, 상기 파쇄된 콘크리트를 제1임팩트크러셔(110)에 공급하여 원심력에 의한 충돌로 충격 및 진동에 의해 골재표면으로부터 콘크리트 페이스트 및 모르타르(202)를 제거하는 단계와, 상기 단계에서 콘크리트 페이스트 및 모르타르(202)가 제거된 콘크리트 파쇄물을 진동선별기(111)에 투입하여 일정크기의 모래와 골재(201)로 선별하는 단계와, 상기 단계에서 선별된 골재(201)를 제2임팩트크러셔(112)에 공급하여 원심력에 의한 충돌로 2차로 충격 및 진동에 의해 골재(201)표면으로부터 재차 콘크리트 페이스트 및 모르타르(202)를 제거하는 단계와, 상기 2차로 콘크리트 페이스트 및 모르타르가 제거된 콘크리트 파쇄물을 진동선별기(113)에 투입하여 일정크기의 모래와 골재로 선별하는 단계를 포함한다.The present invention relates to a method for producing recycled aggregates and sand by removing cement paste and mortar adhering between aggregate surfaces of waste concrete as construction waste and molten iron of aggregates. Referring to Figures 1 to 3, the method for producing recycled aggregate and sand in the present invention is to crush the waste concrete 200 to the size usable as aggregates for ready-mix concrete and to remove foreign matters and to remove foreign substances such as wood, styrofoam Step 100 and supplying the crushed concrete to the first impact crusher 110 to remove the concrete paste and mortar 202 from the aggregate surface by impact and vibration in the impact by centrifugal force, in the step The concrete paste and the mortar 202 is removed, the concrete crushed material is put into the vibrating separator 111 to screen the sand and aggregate 201 of a predetermined size, and the aggregate 201 selected in the step of the second impact crusher (112) to remove the concrete paste and mortar (202) from the surface of the aggregate 201 again by impact and vibration in a second centrifugal force impact; By putting the concrete paste and concrete mortar is removed the debris second drive group in vibration sorter 113 includes the step of selecting as sand and aggregate of a predetermined size.

도 1 및 도 3을 참조하면, 상기 이물질제거 및 파쇄단계(100)에서는 먼저 호퍼를 통하여 투입된 건설폐기물은 1차선별(101)을 거쳐서 토분이 제거되고, 1차 파쇄(102)를 통하여 일정크기로 파쇄된 후 2차선별(103)을 거쳐서 제거되지 아니한토분들을 제거한다.1 and 3, in the foreign material removal and shredding step 100, firstly, the construction waste introduced through the hopper is removed from the soil through the primary screening 101, and has a predetermined size through the first shredding 102. After crushing to remove the soil that has not been removed through the secondary screening (103).

이어서 1차 파쇄된 파쇄물로부터 목재,스치로폼등의 이물질들을 선별해내고 2차로 파쇄(105)한다음, 제1임팩트크러셔(110)를 경유케 하여 충격 및 진동에 의해서 골재(201)의 표면 및 요철사이에 붙어있는 시멘트 페이스트 및 모르타르(202)를 제거시킨다.Subsequently, foreign matters such as wood, scirofoam, etc. are sorted out from the first crushed crushed material and secondly crushed 105, and then the surface of the aggregate 201 and the unevenness of the aggregate 201 by impact and vibration are passed through the first impact crusher 110. The cement paste and mortar 202 stuck in between are removed.

이 과정에서 골재(201)의 표면 및 요철로부터 이탈된 골재가루(석분), 모래, 시멘트 페이스트 및 모르타르(202)와 골재(201)를 제1진동선별기(111)에 투입하여 약 5mm 이하의 모래를 선별해내고, 5mm 이상의 골재(201)들을 다시 제2임팩트크러셔(112)에 투입시킨다.In this process, aggregate powder (stone powder), sand, cement paste, and mortar 202 and aggregate 201 that are separated from the surface and unevenness of the aggregate 201 are introduced into the first vibrating separator 111 and sand of about 5 mm or less. Screening, and the aggregate 201 or more of 5mm is put into the second impact crusher 112 again.

제2임팩트크러셔(112)에 투입된 골재(201)들을 원심력에 의한 충격 및 진동으로 제1임팩트크러셔(110)에서 탈락되지 아니한 시멘트 페이스트 및 모르타르(202)를 제거시킨다.The aggregate 201 introduced into the second impact crusher 112 removes the cement paste and mortar 202 that are not dropped from the first impact crusher 110 by the impact and vibration caused by the centrifugal force.

이와 같이 두차례의 임팩트크러셔(110)(112)를 경유하면서 골재(201) 표면 및 요철사이에 붙어있는 시멘트 페이스트 및 모르타르(202)가 완전히 제거되게 된다.As such, the cement paste and mortar 202 adhered between the surface of the aggregate 201 and the unevenness via the two impact crushers 110 and 112 are completely removed.

이 과정에서 골재(201)의 표면 및 요철사이에서 이탈된 골재가루(석분), 모래,시멘트 페이스트 및 모르타르(202)와 골재를 제2진동선별기(113)에 투입하여 5mm이하는 모래로 생산하고 5mm이상은 재생골재로 생산한다.In this process, aggregate powder (stone powder), sand, cement paste, mortar 202 and aggregates separated from the surface and unevenness of the aggregate 201 are put into the second vibrating separator 113 to produce sand of 5 mm or less. More than 5mm is produced from recycled aggregate.

한편, 본 발명 폐 콘크리트의 골재 표면 및 골재의 요철사이에 붙어 있는 시멘트 페이스트 및 모르타르를 제거하여 재생골재 및 모래를 생산하는 장치는 다음과 같은 구성으로 되어 있다.On the other hand, the apparatus for producing recycled aggregate and sand by removing the cement paste and mortar between the aggregate surface of the waste concrete of the present invention and the irregularities of the aggregate has the following configuration.

먼저, 본 발명장치는 도 1에 도시된 바와 같이, 골재(201)와 시멘트 모르타르(202)가 함께 경화된 폐 콘크리트(200)로부터 일정크기로 1차 파쇄(102)하고, 1차 파쇄(102)된 파쇄물을 다시 더 작은 크기로 2차 파쇄(105)한 후, 골재(201)의 표면 및 요철사이에 붙어있는 시멘트 페이스트 및 모르타르(202)를 제1,2임팩트크러셔(impact crusher)를 통하여 완전히 제거시키도록 한다.First, as shown in FIG. 1, the apparatus of the present invention primarily shreds 102 to a predetermined size from the waste concrete 200 in which the aggregate 201 and the cement mortar 202 were cured together, and the first shredding 102. After the second crushed 105 to a smaller size, the crushed cement paste and mortar 202 attached between the surface and the unevenness of the aggregate 201 through the first and second impact crusher Remove it completely.

도 2를 참조하면, 상기 임팩트크러셔(110,112)는 고속회전하는 회전축(302)과 함께 회전하는 로터(rotor;303)의 중심부를 통하여 파쇄물이 투입되면, 로터(303)의 회전력에 의해서 방사상으로 배출되면서 외부고정판의 앤빌(301)에 파쇄물이 충돌되거나 파쇄물 상호간 충돌되어서 골재(201)의 표면 및 요철사이에 붙은 시멘트 페이스트 및 모르타르(202)들이 탈락되도록 한다.Referring to FIG. 2, the impact crushers 110 and 112 are discharged radially by the rotational force of the rotor 303 when a crushed object is introduced through a central portion of the rotor 303 which rotates together with the rotating shaft 302 which rotates at a high speed. While the crushed material collides with the anvil 301 of the outer fixing plate or the crushed material collides with each other to allow the cement paste and mortar 202 stuck between the surface of the aggregate 201 and the unevenness to fall off.

본 발명 장치는, 도 1 내지 도 3을 참조하면, 상기 폐 콘크리트(200)를 레미콘용골재로 사용가능한 크기로 파쇄하고 목재, 스치로폼등의 이물질을 제거하는 이물질제거 및 파쇄유니트(100)와, 상기 파쇄된 콘크리트가 로터(303)의 회전력에 의해 방사방향으로 배출되면서 외부고정판의 앤빌(301)에 충돌시켜서 골재(201)표면으로부터 콘크리트 페이스트 및 모르타르(202)를 제거시키는 제1임팩트크러셔(110)와, 상기 콘크리트 페이스트 및 모르타르(202)가 제거된 콘크리트 파쇄물을 일정크기의 모래와 골재로 선별하는 제1진동선별기(111)와, 상기 선별된 골재를 로터(303)의 회전력에 의해 방사방향으로 배출되면서 외부고정판의 앤빌(301)에 충돌시켜서 골재(201)표면으로부터 재차 콘크리트 페이스트 및 모르타르(202)를 제거시키는 제2임팩트크러셔(112)와, 상기 2차로 콘크리트 페이스트 및 모르타르(202)가 제거된 콘크리트 파쇄물을 일정크기의 모래와 골재로 선별하는 제2진동선별기(113)를 구비한다.1 and 3, the present invention, the waste concrete 200 is broken into a size that can be used as a ready-mixed concrete aggregate and foreign matter removal and crushing unit 100 to remove foreign substances such as wood, styrofoam, and The first impact crusher 110 which removes the concrete paste and mortar 202 from the surface of the aggregate 201 by colliding with the anvil 301 of the external fixing plate while the crushed concrete is discharged radially by the rotational force of the rotor 303. ), The first vibrating separator 111 for separating the concrete crushed material from which the concrete paste and the mortar 202 are removed into a predetermined size of sand and aggregate, and the selected aggregate in a radial direction by the rotational force of the rotor 303. The second impact crusher 112 and the second impact crusher 112 to remove the concrete paste and mortar 202 again from the surface of the aggregate 201 by colliding with the anvil 301 of the external fixing plate while being discharged to And a second vibrating separator 113 for sorting the concrete crushed material from which the concrete paste and the mortar 202 are removed into sand and aggregate of a predetermined size.

상기 이물질제거 및 파쇄유니트(100)는 호퍼를 통하여 투입된 건설폐기물은 1차선별기(101)를 거쳐서 토분이 제거되고, 1차 파쇄기(102)를 통하여 일정크기로 파쇄된 후 2차선별기(103)을 거쳐서 제거되지 아니한 토분들을 제거시킨다.The foreign matter removal and shredding unit 100 is the construction waste put through the hopper is removed through the primary sorter 101, the soil is removed, the primary shredder 102 is crushed to a certain size and then the secondary sorter (103) Remove the soil that has not been removed through.

이어서 1차 파쇄된 파쇄물로부터 목재,스치로폼등의 이물질들을 선별해내고 2차로 파쇄기(105)로 파쇄한다.Subsequently, foreign matters such as wood and styrofoam are sorted out from the first crushed crushed material and secondly crushed by the crusher 105.

이와 같이 대략 5∼25mm정도로 부서진 파쇄물을 제1임팩트크러셔(110)를 경유케 하면, 골재(201)의 표면 및 요철사이에 붙어있는 시멘트 페이스트 및 모르타르(202)가 제거된다.In this way, when the crushed material broken into about 5 to 25 mm is passed through the first impact crusher 110, the cement paste and mortar 202 stuck between the surface of the aggregate 201 and the unevenness are removed.

이 과정에서 골재(201)의 표면 및 요철 사이에서 이탈된 골재가루(석분),모래, 시멘트 페이스트 및 모르타르(202)와 골재(201)를 제1진동선별기(111)에 투입하여 약 5mm 이하의 모래를 선별해내고, 5mm 이상의 골재(201)들을 다시 제2임팩트크러셔(112)에 투입시킨다.In this process, aggregate powder (stone powder), sand, cement paste, and mortar 202 and aggregate 201 that are separated between the surface and the unevenness of the aggregate 201 are introduced into the first vibrating separator 111 to be less than about 5 mm. The sand is sorted out, and the aggregate 201 or more of 5 mm is introduced into the second impact crusher 112 again.

제2임팩트크러셔(112)에 투입된 골재(201)들은 로터(303)의 회전력에 의해 방사상으로 배출되면서 앤빌(301)에 충돌되어서 제1임팩트크러셔(110)에서 탈락되지 아니한 시멘트 페이스트 및 모르타르(202)가 제거된다.The aggregate 201 injected into the second impact crusher 112 is discharged radially by the rotational force of the rotor 303 and hit the anvil 301 so that the cement paste and the mortar 202 that are not dropped from the first impact crusher 110. ) Is removed.

이와 같이 두차례의 임팩트크러셔(110)(112)를 경유하면서 골재(201)표면 및 요철사이에 붙어있는 시멘트 페이스트 및 모르타르(202)가 완전히 제거되게 된다.As such, the cement paste and mortar 202 adhered between the surface of the aggregate 201 and the unevenness via the two impact crushers 110 and 112 are completely removed.

이과정에서 골재(201)의 표면 및 요철사이에서 이탈된 골재가루(석분), 모래,시멘트 페이스트 및 모르타르(202)와 골재를 제2진동선별기(113)에 투입하여 5mm이하는 모래로 생산하고 5mm이상은 재생골재로 생산한다.In this process, aggregate powder (stone powder), sand, cement paste, mortar 202 and aggregates separated from the surface and unevenness of the aggregate 201 are put into the second vibrating separator 113 to produce sand of 5 mm or less. More than 5mm is produced from recycled aggregate.

상기 실시예에서는 골재로부터 시멘트페이스트 및 모르타르를 제거하기 위하여 임팩트크러셔를 두번 경유토록 하여 박리하고 마광하였으나, 그럼에도 불구하고 제거되지 아니한 시멘트페이스트 및 모르타르가 존재하면 또 다른 임팩트크러셔를 경유토록 할 수도 있다.In the above embodiment, the impact crusher is peeled and polished twice through the impact crusher to remove the cement paste and the mortar from the aggregate. Nevertheless, if the cement paste and the mortar are not removed, the impact crusher may be passed through another impact crusher.

이와 같은 방법 및 장치는 건설폐기물인 콘크리트 덩어리로부터 일정크기(예컨대, 5∼25mm)의 골재표면 및 골재의 요철사이에 붙어있는 시멘트 페이스트 및 모르타르(202)를 완전히 제거시킴으로써 레미콘용 골재 및 모래로의 사용을 가능하게 한다. 이에 따라서 석산으로부터 채취되는 원석의 사용을 절감하여 자원의 낭비를 줄이고, 건설폐기물의 재사용으로 환경오염을 방지하고 자원절약에 유리하다.Such a method and apparatus are completely removed from the concrete mass, which is the construction waste, to remove the cement paste and mortar 202 between the aggregate surface and the irregularities of the aggregate. Enable use. Accordingly, it is possible to reduce the waste of resources by reducing the use of raw stones collected from quarries, and to prevent environmental pollution and reuse of construction wastes.

Claims (2)

폐 콘크리트의 골재 표면으로부터 시멘트 페이스트 및 모르타르를 제거하여 재생골재 및 모래를 생산하는 방법에 있어서,In the method for producing recycled aggregate and sand by removing cement paste and mortar from the aggregate surface of the waste concrete, 상기 폐 콘크리트를 일정크기로 파쇄하는 파쇄단계와,A crushing step of crushing the waste concrete into a predetermined size; 상기 파쇄된 콘크리트를 제1임팩트크러셔에 공급하여 로터의 회전력에 의해 배출된 골재를 로터 외부에 고정된 앤빌에 충돌시켜서 골재표면 및 요철사이에 붙어있는 콘크리트 페이스트 및 모르타르를 제거하는 단계와,Supplying the crushed concrete to the first impact crusher to impinge the aggregate discharged by the rotational force of the rotor on the anvil fixed to the outside of the rotor to remove concrete paste and mortar between the aggregate surface and irregularities; 상기 단계에서 파쇄된 골재, 콘크리트 페이스트, 모르타르를 진동선별기에 투입하여 일정크기의 모래와 골재로 선별하는 단계와,Inputting the crushed aggregate, concrete paste, mortar into the vibrating separator in the step of sorting the sand and aggregate of a predetermined size; 상기 단계에서 선별된 골재를 제2임팩트크러셔에 공급하여 로터의 회전력에 의해 배출된 골재를 로터 외부에 고정된 앤빌에 충돌시켜서 골재표면 및 요철사이에서 재차 콘크리트 페이스트 및 모르타르를 제거하는 단계와,Supplying the aggregate selected in the step to the second impact crusher to impinge the aggregate discharged by the rotational force of the rotor to the anvil fixed to the outside of the rotor to remove the concrete paste and mortar again between the aggregate surface and irregularities, 상기 단계에서 파쇄된 골재, 콘크리트 페이스트 및 모르타르를 진동선별기에 투입하여 일정크기의 모래와 골재로 선별하는 단계를 포함하는 것을 특징으로 하는 폐 콘크리트로부터 시멘트 페이스트 또는 모르타르가 제거된 재생골재 및 모래를 생산하는 방법.In this step, the aggregates, concrete paste and mortar crushed in the step of the vibrating sifter to produce a recycled aggregate and sand from which the cement paste or mortar is removed from the waste concrete, characterized in that it comprises the step of sorting into a certain size of sand and aggregate. How to. 폐 콘크리트의 골재 표면으로부터 시멘트 페이스트 및 모르타르를 제거하여 재생골재 및 모래를 생산하는 장치에 있어서,In the apparatus for producing recycled aggregate and sand by removing cement paste and mortar from the aggregate surface of the waste concrete, 상기 폐 콘크리트를 일정크기로 파쇄하고 이물질을 제거하는 파쇄 및 이물질제거 유니트와,A crushing and debris removing unit for crushing the waste concrete to a certain size and removing debris; 상기 파쇄된 콘크리트가 공급되며 회전되는 로터와, 로터의 회전력에 의해 방사상으로 배출된 콘크리트가 충돌되는 앤빌을 구비하여 골재표면 및 요철사이에 붙어있는 콘크리트 페이스트 및 모르타르를 제거시키는 제1임팩트크러셔와,A first impact crusher having a rotor to which the crushed concrete is supplied and rotated, and an anvil in which the concrete discharged radially due to the rotational force of the rotor collides to remove concrete paste and mortar between the aggregate surface and the unevenness; 상기 제1임팩트크러셔에서 파쇄된 골재, 콘크리트 페이스트 및 모르타르를 일정크기의 모래와 골재로 선별하는 제1진동선별기와,A first vibrating separator for sorting the aggregate, concrete paste and mortar crushed by the first impact crusher into sand and aggregate having a predetermined size; 상기 선별된 골재가 공급되며 회전되는 로터와, 로터의 회전력에 의해 방사상으로 배출된 콘크리트가 충돌되는 앤빌을 구비하여 골재표면 및 요철사이에서 재차 콘크리트 페이스트 또는 모르타르를 제거시키는 제2임팩트크러셔와,A second impact crusher having the rotor supplied with the selected aggregate and rotating, and an anvil in which the concrete discharged radially by the rotational force of the rotor collides to remove concrete paste or mortar between the aggregate surface and the unevenness; 상기 2차로 파쇄된 골재, 콘크리트 페이스트 및 모르타르를 일정크기의 모래와 골재로 선별하는 제2진동선별기를 구비한 것을 특징으로 하는 폐 콘크리트로부터 시멘트 페이스트 및 모르타르가 제거된 재생골재 및 모래를 생산하는 장치.Apparatus for producing recycled aggregate and sand from which cement paste and mortar are removed from the waste concrete, characterized in that it comprises a second vibrating separator for sorting the secondary crushed aggregate, concrete paste and mortar into a certain size of sand and aggregate. .
KR1020030069760A 2003-10-04 2003-10-04 Method and apparatus for manufacturing a sand and stone using a construction waste matter KR20030083663A (en)

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KR100869188B1 (en) * 2007-10-12 2008-11-18 한상철 Method of making fine particles using recycling concrete
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