KR20040096832A - Recycled Clay Brick - Google Patents

Recycled Clay Brick Download PDF

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Publication number
KR20040096832A
KR20040096832A KR1020040076167A KR20040076167A KR20040096832A KR 20040096832 A KR20040096832 A KR 20040096832A KR 1020040076167 A KR1020040076167 A KR 1020040076167A KR 20040076167 A KR20040076167 A KR 20040076167A KR 20040096832 A KR20040096832 A KR 20040096832A
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South Korea
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powdered
powder
clay
waste
weight
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KR1020040076167A
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Korean (ko)
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안기주
안용호
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안기주
안용호
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Priority to KR1020040076167A priority Critical patent/KR20040096832A/en
Publication of KR20040096832A publication Critical patent/KR20040096832A/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/16Waste materials; Refuse from building or ceramic industry
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Treatment Of Sludge (AREA)
  • Road Paving Structures (AREA)

Abstract

PURPOSE: A manufacturing method for a recycling clay brick is provided to heighten value by making an industrial byproduct eco-friendly by manufacturing a clay brick and a footway brick by recycling waste lime and waste powdered limestone sludge. CONSTITUTION: The manufacturing method for a recycling clay brick comprises the steps of selecting one or two of 20¯60 weight percent waste lime and 35¯60 weight percent waste powdered limestone sludge and using with 10¯60 weight percent clay as basic materials, selecting one or three of pottery stone, feldspar, powdered zeolite, powdered illite, powdered tourmaline, powdered talc, loess, Kaoline, white clay, powdered volcanic ash, powdered monazite, blast-furnace slab powder, etc. and mixing with moisture, removing the contained air, extruding, shaping, cutting and drying in a pug mill, then plasticizing thermally in a furnace at 1000¯1250 deg.C for 10¯30 hours.

Description

재활용 점토 벽돌{Recycled Clay Brick}Recycled Clay Brick

종래의 기술은 품질규격 재활용 점토벽돌 GR F 4014에 고시한 폐재료인 폐석분오니와 점토 미사를 4:3:3의 중량비로 점토 벽돌을 만드는 조성물과 제조 방법(대한민국 특허청 공개번호 특1995-0008410)으로 공개 되었으나 폐석분오니 첨가량이 30중량%로써 한국 표준원 고시 제 2002-1500으로 GR F 4014 재활용 점토 벽돌의 품질 규격의 3.1항 폐재료 중 중량 기준으로 40% 이상 사용의 절대 기준치에 미치지 못하여 생산이 된다 하더라도 GR 인증을 받을 수 없다.The prior art is a composition and manufacturing method for making clay bricks in a weight ratio of 4: 3: 3, waste stone sludge and clay silt, which are disclosed in the quality standard recycled clay brick GR F 4014 (Korean Patent Office Publication No. 1995-0008410). However, the added amount of waste-rock sludge is 30% by weight, and it is produced by the Korea Standards Institute Notice No. 2002-1500. You won't be able to get GR certification.

따라서 한국 표준원 고시 제 2002-1500으로 GR F 4014 재활용 점토 벽돌의 품질 규격에 적합하지 않다.Therefore, Korea Standards Agency Notice No. 2002-1500 does not meet the quality specifications of GR F 4014 recycled clay bricks.

본 발명은 필연적 생성 배출된 폐석회 20∼60중량%, 폐석분오니 35∼60중량% 중 1 또는 2개를 선택하고 점토 10∼60중량%와 기본 소재로 하며, 이에 강도 강화 및 기능성(친환경성)을 위하여 토석, 장석, 제올라이트, 일라이트분말, 전기석분말, 활석분말, 황토, 카오링, 백토, 화산재분말, 모나자이트분말, 고로슬래그분 등의 중 1∼3개 품목을 목적에 따라 선택하여 10∼30중량%를 혼화 적정 수분을 첨가, 토련기에서 함유 공기를 제거 압출, 성형, 커팅한 후 건조를 거쳐 1,000∼1,250℃소성로에서 10∼30시간 열소성하면 의도한 바의 색깔과 견고한 내외장재용 벽돌 또는 보도 벽돌을 얻게 되는데, 이는 2001. 09. 21.자 한국표준원 고시 제2002-1500호(2002. 11. 12) GR F 4014 재활용 점토 벽돌의 품질 규격에 적합하여 GR 인증을 받게 될 우수한 내외장재용 벽돌, 보도벽돌이 제공 될 것이며 원적외선, 음이온, 항균, 탈취 기능이 뛰어나며 경량화, 단열화, 보온화, 흡음, 습도조절등의 기능으로 실내 공기질 관리에도 크게 기여 하게 된다.The present invention selects one or two of 20 to 60% by weight of waste limestone and 35 to 60% by weight of waste limestone which is inevitably produced, and comprises 10 to 60% by weight of clay and a base material, thereby enhancing strength and functionality (environmentally friendly). 1) Three or three items such as earth, powder, feldspar, zeolite, illite powder, tourmaline powder, talc powder, loess, kaoring, white clay, volcanic ash powder, monazite powder, blast furnace slag powder, etc. Admixture of -30 wt% removes the air contained in the refining machine. Extrudes, molds, and cuts, and then heats and calcinates for 10 to 30 hours at a furnace of 1,000 to 1,250 ° C. You will get a brick or sidewalk brick, which is an excellent interior and exterior material that will be GR certified according to the quality standard of GR F 4014 recycled clay bricks. Dragon brick, sidewalk brick offer It is excellent in far infrared rays, anion, antibacterial and deodorizing function, and contributes greatly to indoor air quality management with functions such as light weight, heat insulation, heat insulation, sound absorption, and humidity control.

본 발명은 국내의 산업체에서 필연적 생성 배출된 폐석회, 폐석분오니를 인간의 생활공간에 완전무결한 소재화, 친환경, 기능성화하여 대한민국 기술표준원고시 제 2002-1500호(2002. 11. 21) GR F 4014 재활용 점토벽돌의 품질 규격에 적합을 위하여 폐석회 20∼60중량%, 폐석분오니 35∼60중량% 중 1 또는 2개를 선택하고 점토 10∼60중량%와 기본 소재로 하며, 이에 강도 강화와 친환경 기능성화를 위하여 도석, 장석, 제올라이트 분말, 일라이트 분말, 전기석 분말, 활석 분말, 황토, 카오링, 백토, 모나자이트 분말, 고로슬래그분 등의 중 1∼3개 품목을 목적에 따라 10∼30중량%를 선택 혼화 적정 수분을 첨가 토련기에서 함유 공기를 제거 압출, 성형, 커팅 후 건조를 거쳐 1,000∼1,250℃ 소성로에서 10∼30시간 소성하면 강력하고 기능성이 뛰어난 한국 표준원 고시 GR F 4014 재활용 점토 벽돌 품질 규격에 적합한 내외장재용 벽돌과 보도 벽돌을 만드는데 있다.The present invention is made of waste lime, waste stone sludge, which is inevitably produced by domestic industry, materialized in human living space, eco-friendly, and functionalized, and the Korean Technical Standards Publication No. 2002-1500 (2002. 11. 21) GR F 4014 To meet the quality standards of recycled clay bricks, one or two of 20 to 60% by weight of waste lime and 35 to 60% by weight of waste lime powder are selected. For the purpose of strengthening strength and eco-friendly functionalization, 1 ~ 3 items among pottery, feldspar, zeolite powder, illite powder, tourmaline powder, talc powder, ocher, kaoring, clay, monazite powder, blast furnace slag powder, etc. Select -30% by weight Admixture Appropriate moisture Remove the contained air from the refining machine After extruding, molding and cutting, drying for 10-30 hours in a kiln at 1,000-1,250 ℃ It is to make interior and exterior bricks and sidewalk bricks that meet the recycled clay brick quality standard.

본 발명의 구성은 국내외 산업체 등에서 필연적으로 생성 배출되는 폐석회20∼60중량%, 폐석분오니 35∼60중량% 중 1 또는 2개를 선택하고 점토 10∼60중량%와 기본 소재로 하며, 이에 강도 강화 및 기능성화(친환경성)를 위하여 도석, 장석, 레올라이트 분말, 전기석 분말, 활석 분말, 황토, 카오링, 백토, 화산재 분말, 모나자이트 분말, 고로슬래그분 등의 중 1∼3개 품목을 목적에 따라 10∼30중량%를 혼화 적정 수분을 첨가, 토련기에서 함유 공기를 제거 압출, 성형, 커팅한 후 건조를 거쳐 1,000∼1,250℃ 소성로에서 10∼30시간 소성하면 의도한 바의 색깔을 갖춘 견고한 내외장재용 벽돌 및 보도 벽돌을 얻게 되는데, 이 제품은 강력한 강도를 형성하고 원적외선, 음이온, 탈취, 항균, 습도조절, 단열, 보온, 흡음, 경량화된 기술표준원 고시 GR F 4014 재활용 점토 벽돌 품질 규격에 적합한 내외장재용 벽돌을 얻게 되는 것이다.The constitution of the present invention is selected from 20 to 60% by weight of waste limestone, 35 to 60% by weight of waste-rock sludge, which is inevitably produced and discharged by domestic and foreign industries, and 10 to 60% by weight of clay and a base material. For the purpose of strengthening and functionalizing (environmental), 1 ~ 3 items such as pottery, feldspar, leoolite powder, tourmaline powder, talc powder, ocher, kaoring, white clay, volcanic ash powder, monazite powder, blast furnace slag powder, etc. 10-30% by weight, according to the mixing, adding appropriate moisture, removing the air contained in the refining machine, extruding, molding, cutting, and drying for 10-30 hours in a kiln at 1,000-1,250 ℃ You will get solid interior and exterior bricks and sidewalk bricks, which have strong strength and have far-infrared, anion, deodorization, antibacterial, humidity control, thermal insulation, heat insulation, sound absorption and light weight. We'll have the exterior and interior masonry material suitable for quality standards.

본 발명은 산업 부산물인 폐석회, 폐석분오니를 자원화하여 재활용함으로써 무한정 배출되어 분진, 공해, 시각 공해 등을 해소함에 기여 할 수 있고, 자원의 절약과 재활용 촉진에 관한 법률 제 07023호에 부흥하며 기술표준원 고시 제2002-1500호 GR F 4014 재활용 점토벽돌 인증에 적정한 재활용 점토벽돌, 보도벽돌을 제품화함으로써 산업 부산물의 친환경화하여 고부가 가치화 하는 효과를 얻게 될 것이다.The present invention can contribute to the elimination of dust, pollution, visual pollution, etc. by infinitely discharged by recycling and recycling industrial by-products waste lime, waste stone sludge, revived in the law No. 07023 on the conservation of resources and promotion of recycling Technical Standards Bulletin No. 2002-1500 GR F 4014 Recycled clay bricks and sidewalk bricks suitable for recycling clay bricks will be commercialized, resulting in eco-friendly industrial by-products and high added value.

뿐만 아니라 본 발명제품의 상품화는 기존의 모든 점토 벽돌 설비 공정을 변경, 변화 하지 않고 활용, 생산 하게 됨에 따라 적용을 활성화할 수 있는 기대효과가 있다.In addition, the commercialization of the present invention has the expected effect to activate the application as it is used, produced without changing, changing all existing clay brick installation process.

Claims (1)

폐석회 20∼60중량%, 폐석분오니 35∼60중량% 중 1 또는 2개를 선택하고 점토 10∼60중량%와 기본 소재로 하며, 강도 강화 및 기능성화를 목적으로 도석, 장석, 제올라이트 분말, 일라이트 분말, 전기석 분말, 활석 분말, 황토, 카오링, 백토, 화산재 분말, 모나자이트 분말, 고로슬래그분 등의 중 1∼3개 품목을 선택하여 10∼30중량%를 적정 수분과 함께 혼화하여 토련기에서 함유 공기를 제거 압출, 성형, 커팅한 후 건조를 거쳐 1,000∼1,250℃ 소성로에서 10∼30시간 열소성하여 얻어지는 재활용 점토벽돌과 보도벽돌 조성물의 제조방법.Select one or two of 20 to 60% by weight of waste lime and 35 to 60% by weight of waste stone, and use 10 to 60% by weight of clay and base material, and make pottery, feldspar and zeolite powder for the purpose of strengthening strength and functionalization. 10 to 30% by weight of selected products such as illite powder, tourmaline powder, talc powder, ocher, kaoring, white clay, volcanic ash powder, monazite powder and blast furnace slag powder A method for producing recycled clay brick and sidewalk brick composition obtained by removing the contained air from the air, and extruding, molding, and cutting, followed by drying for 10 to 30 hours in a kiln at 1,000 to 1,250 ° C.
KR1020040076167A 2004-09-20 2004-09-20 Recycled Clay Brick KR20040096832A (en)

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KR100608287B1 (en) * 2006-01-23 2006-08-02 주식회사 대평세라믹스산업 Fired brick with high content of reclaimed anthracite coal ash and preparation method thereof
KR100795129B1 (en) * 2007-04-23 2008-01-28 (주)쎄라그린 Method for Preparing Block Having Porosity
KR100774358B1 (en) * 2006-04-24 2008-06-19 (주)쎄라그린 Method for preparing paver block having porosity
KR100890915B1 (en) * 2008-09-30 2009-04-03 (주)두남씨앤앰 Method of manufacturing material for ceramic industry using reclaimed anthracite coal ash, and method of manufacturing ceramics using the material for ceramic industry
CN101644089A (en) * 2009-07-22 2010-02-10 贵州省建筑材料科学研究设计院 Electrolytic manganese slag brick and preparation method thereof
KR100969951B1 (en) * 2010-01-25 2010-07-15 제이에스세라믹 주식회사 Clay bricks using stone sludge and its manufacturing method thereof
WO2011071218A1 (en) * 2009-12-11 2011-06-16 Lee Se-Lin Production method for a lightweight construction material using asbestos waste
KR101370864B1 (en) * 2012-07-02 2014-03-07 국민대학교산학협력단 Manufacturing method of celadon according to plasticity atmosphere condition decision of pottery chromaticity using the mspectroscopy
KR101416005B1 (en) * 2012-05-31 2014-07-08 내산산업개발 주식회사 Nature-friendly block using non-sintering inorgarnic binder and manufacturing method thereof
KR101424990B1 (en) * 2014-05-26 2014-08-14 주식회사 한일세라믹 Preparation Method of Eco-Friend Clay Brick with Wasting Vinyl Sludge and Eco-Friend Clay Brick Made Thereby
KR101511517B1 (en) * 2014-09-29 2015-04-13 주식회사공간세라믹 Clay brick and method for manufacturing the same
CN104761248A (en) * 2015-03-14 2015-07-08 广东博华陶瓷有限公司 Production method of polished tile having stone texture
CN109053143A (en) * 2018-09-19 2018-12-21 南京胜仁市政建设有限公司 It is a kind of to use making brick from sludge technique
KR20200126601A (en) * 2019-04-30 2020-11-09 장동혁 A method of manufacturing bio cement by selecting minerals from rocksite sludge and mixing feldspar with limestone

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100608287B1 (en) * 2006-01-23 2006-08-02 주식회사 대평세라믹스산업 Fired brick with high content of reclaimed anthracite coal ash and preparation method thereof
KR100774358B1 (en) * 2006-04-24 2008-06-19 (주)쎄라그린 Method for preparing paver block having porosity
KR100795129B1 (en) * 2007-04-23 2008-01-28 (주)쎄라그린 Method for Preparing Block Having Porosity
KR100890915B1 (en) * 2008-09-30 2009-04-03 (주)두남씨앤앰 Method of manufacturing material for ceramic industry using reclaimed anthracite coal ash, and method of manufacturing ceramics using the material for ceramic industry
CN101644089A (en) * 2009-07-22 2010-02-10 贵州省建筑材料科学研究设计院 Electrolytic manganese slag brick and preparation method thereof
CN101644089B (en) * 2009-07-22 2014-03-19 贵州省建筑材料科学研究设计院 Electrolytic manganese slag brick and preparation method thereof
US8470087B2 (en) 2009-12-11 2013-06-25 Se-Lin Lee Production method for a lightweight construction material using asbestos waste
CN102712537A (en) * 2009-12-11 2012-10-03 李世麟 Production method for a lightweight construction material using asbestos waste
WO2011071218A1 (en) * 2009-12-11 2011-06-16 Lee Se-Lin Production method for a lightweight construction material using asbestos waste
CN102712537B (en) * 2009-12-11 2014-04-02 李世麟 Production method for a lightweight construction material using asbestos waste
KR100969951B1 (en) * 2010-01-25 2010-07-15 제이에스세라믹 주식회사 Clay bricks using stone sludge and its manufacturing method thereof
KR101416005B1 (en) * 2012-05-31 2014-07-08 내산산업개발 주식회사 Nature-friendly block using non-sintering inorgarnic binder and manufacturing method thereof
KR101370864B1 (en) * 2012-07-02 2014-03-07 국민대학교산학협력단 Manufacturing method of celadon according to plasticity atmosphere condition decision of pottery chromaticity using the mspectroscopy
KR101424990B1 (en) * 2014-05-26 2014-08-14 주식회사 한일세라믹 Preparation Method of Eco-Friend Clay Brick with Wasting Vinyl Sludge and Eco-Friend Clay Brick Made Thereby
KR101511517B1 (en) * 2014-09-29 2015-04-13 주식회사공간세라믹 Clay brick and method for manufacturing the same
CN104761248A (en) * 2015-03-14 2015-07-08 广东博华陶瓷有限公司 Production method of polished tile having stone texture
CN109053143A (en) * 2018-09-19 2018-12-21 南京胜仁市政建设有限公司 It is a kind of to use making brick from sludge technique
KR20200126601A (en) * 2019-04-30 2020-11-09 장동혁 A method of manufacturing bio cement by selecting minerals from rocksite sludge and mixing feldspar with limestone

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