KR101002547B1 - The greener clay brick recycling the dredged soils and sludge & manufacturing method thereof - Google Patents
The greener clay brick recycling the dredged soils and sludge & manufacturing method thereof Download PDFInfo
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- KR101002547B1 KR101002547B1 KR20100067605A KR20100067605A KR101002547B1 KR 101002547 B1 KR101002547 B1 KR 101002547B1 KR 20100067605 A KR20100067605 A KR 20100067605A KR 20100067605 A KR20100067605 A KR 20100067605A KR 101002547 B1 KR101002547 B1 KR 101002547B1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- 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
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Abstract
Description
본 발명은 준설사토(浚渫捨土) 및 슬러지(sludge:汚泥)를 재활용한 친환경 점토 벽돌 및 이의 제조방법에 관한 것으로서, 준설사토와 슬러지를 EDTA, 연소재, 소각재, 생석회, 탈취제를 이용해 무해화·안정화시켜 유용한 점토물질 대체재로 재이용함과 동시에 점토류의 채취로 인한 환경파괴를 방지하고, 추가로 폐석분, 스칼렛 파우더, 고로슬래그미분말 혹은 시멘트 그리고 고성능 결합재를 일정비율로 혼합·교반시켜 화석연료 및 기타 에너지원을 사용하지 않는 친환경 점토 벽돌 및 이의 제조방법에 관한 것이다.The present invention relates to an environmentally friendly clay brick recycled dredged sand and sludge, and a method for manufacturing the same, wherein the dredged sand and sludge are harmless using EDTA, combustion materials, incineration ash, quicklime, and deodorant. Stabilizes and reuses as a useful substitute for clay materials and prevents the destruction of the environment due to the collection of clays.Furthermore, it mixes and stirs waste stone powder, scarlet powder, blast furnace slag powder or cement and high-performance binders at a certain ratio. And it relates to an eco-friendly clay brick and a method of manufacturing the same do not use other energy sources.
최근 정부가 4대강 하천의 정비사업을 시작하면서 준설토의 처리문제가 급격하게 부상되고 있다. 발생한 준설토는 준설토 적치장(사토장)에 쌓아놓고 향후 농지 개조사업(농지 리모델링) 혹은 제방, 도로공사 등 공공사업에 활용한다는 방침이나 준설토의 상당부문을 차지할 것으로 예상되는 펄과 같은 오염된 준설토는 세척하여 사용하기가 곤란할 뿐만 아니라 그대로 사용할 경우 국민의 먹을거리의 안전에 잠재적 위협요소가 될 소지가 있다. Recently, as the government started the maintenance work on the Four Rivers, the problem of dredged soil is rapidly rising. The accumulated dredged soil is piled up in the dredged soil stockpiles (Satto) and used for public projects such as farmland renovation (farmland remodeling) or levees, road works, etc. Not only is it difficult to use, but it can also pose a potential threat to the safety of people's food.
또한 항만 및 항로준설 등으로 발생되는 해양 준설토의 경우 이미 해양수산부가 실시한 기초 오염도 조사에서 대부분 주요 항만이 유기물 및 영양염류 또는 중금속으로 오염되어 있는 것으로 조사(해양수산부, 2003)되었으며, 이를 재활용할 경우에는 토양오염이 없도록 법적 기준 이내로 정화하여 사용해야 한다. 폐기물관리법상 사업장 폐기물인 무기성 오니는 재이용이 불가능할 경우 소각하거나 별도 시설에 매립하도록 돼 있다.In addition, in the case of marine dredged soils generated by ports and routes dredging, most of the major ports are already polluted with organics, nutrients or heavy metals in the basic pollution survey conducted by the Ministry of Maritime Affairs and Fisheries (Ministry of Maritime Affairs and Fisheries, 2003). In order to prevent soil pollution, it should be used within the legal standard. According to the Waste Management Act, inorganic sludge, which is workplace waste, is incinerated or landfilled in separate facilities when it cannot be reused.
슬러지(sludge)란 하·폐수처리 또는 정수(淨水)과정에서 생긴 침전물로서 오니(汚泥)라고도 하며 침전물 중 수분을 제외한 고형분 함량이 5% 미만인 것을 의미한다. 슬러지는 크게 무기성슬러지와 유기성슬러지로 나눠지며 현행 폐기물관리법에서는 고형분 중 유기물 함량이 40% 이상인 것을 유기성슬러지로 구분하고 있다.Sludge (sludge) is a sediment produced during sewage and wastewater treatment or water purification process, also called sludge, which means that the solid content except water in the sediment is less than 5%. Sludge is largely divided into inorganic sludge and organic sludge. The current waste management law classifies organic sludge that contains more than 40% of organic matter in solids.
특히, 하수슬러지의 경우 해양 투기로 인한 해양 오염을 방지하기 위해 환경부에서는 2012년부터 하수슬러지의 해양 투기를 전면 금지하기로 지난 2006년 결정하고 하수슬러지를 모두 육상에서 처리하기 위한 '하수슬러지 처리 종합대책'을 마련하는 등 부심하고 있으나 하수슬러지 처리에 대한 경험과 기술 축적이 부족하고 일부 처리시설의 경우 제대로 가동되지 않는 등 많은 시행착오를 겪고 있으며, 처리시설을 지역주민들이 혐오 시설로 인식해 입지를 선정하는 데 상당한 어려움을 겪고 있는 실정이다.In particular, in the case of sewage sludge, the Ministry of Environment decided to prohibit sewage sludge from dumping in 2012 from the Ministry of Environment to prevent marine pollution due to ocean dumping. However, they are struggling to prepare countermeasures, but they are experiencing a lot of trial and error, such as lack of experience and technology accumulation in sewage sludge treatment, and some treatment facilities do not operate properly. There is a considerable difficulty in selecting the system.
이러한 준설사토 및 슬러지 재활용과 관련된 선행 기술 중, '공개특허공보 2003-0017914'에는 하수 및 폐수슬러지와 생석회를 혼합교반 하면서 열을 가하여 건조한 후 시멘트 및 응고촉진제, 물을 혼합한 후 압력을 가하여 성형하여 건축 자재를 제조하도록 하는 '하수 및 폐수슬러지의 고형화 처리 방법'이 기재된 바 있고, '등록특허공보 등록특허 10-0889393'에는 물, 염화나트륨, 염화칼륨, 탄산나트륨, 리그닌, 황산마그네슘, 염화마그네슘, 소듐알루미네이트(Na3AlO3)가 포함된 수화첨가제 5 ~ 7 중량%와, 하수 또는 폐수 슬러지 24 ~27 중량%와, 시멘트10 ~ 15 중량%와, 물 2 ~ 4 중량%와, 잔량의 흙 또는 모래를 혼합하여 전체 100 중량%가 되도록 조성하여 보도블록을 제조하도록 하는 '하수 또는 폐수 슬러지 재활용 조성물과 이를 이용한 보도 블럭 및 그 제조방법'이 기재된 바 있다.In the prior art related to such dredged sand and sludge recycling, 'Public Patent Publication 2003-0017914' is dried by mixing and stirring the sewage, wastewater sludge and quicklime, and then mixing cement, coagulation accelerator and water, and then applying pressure The method of solidifying sewage and wastewater sludge has been described to manufacture building materials, and 'Patent Registration 10-0889393' describes water, sodium chloride, potassium chloride, sodium carbonate, lignin, magnesium sulfate, magnesium chloride, and sodium. 5 to 7% by weight of hydrating additives containing aluminate (Na 3 AlO 3 ), 24 to 27% by weight of sewage or wastewater sludge, 10 to 15% by weight of cement, 2 to 4% by weight of water, residual soil Or 'Sewage or wastewater sludge recycling composition, sidewalk block using the same and method for manufacturing the same' to produce a sidewalk block by mixing sand to make 100% by weight. It has been described.
상기와 같은 기술은 하수 및 폐수슬러지를 재활용한다는 자원의 절약과 재활용 촉진 면에서 긍정적인 측면을 가지고 있지만 하수 및 폐수슬러지에 포함된 유기물 및 수화 저해 불순물의 함량에 따라 값비싼 시멘트나 첨가제를 다량 소모해야 된다는 단점이 있고, 시멘트의 알칼리 성분이 암모니아 가스와 함께 암모늄 이온으로 빠져나와 주변 수계를 오염시키는 단점이 있다. 또한 장기적으로 산성비에 의해 표면이 부식되거나 외력에 의해 고형화 형태가 깨질 경우 시멘트로 피막 보호된 중금속이 용출되어 주변 토양을 오염시키는 시멘트 고형화의 한계점을 가지고 있다. 또한 에너지 의존도가 큰 시멘트 등을 다량으로 사용하며, 그 자체로도 자원일 수밖에 없는 흙과 모래를 다수 사용한다는 면에서 폐자원을 80% 이상 활용하는 본 발명에 비해 재활용 의존도가 낮아 친환경적이지 않으며 준설사토에 대한 언급은 없다.Although the above technologies have positive aspects in terms of saving resources and promoting recycling of sewage and wastewater sludge, they consume a lot of expensive cement or additives depending on the amount of organic matter and hydration inhibiting impurities contained in sewage and wastewater sludge. There is a disadvantage in that the alkali component of the cement escapes with ammonium ions along with ammonia gas and contaminates the surrounding water system. In addition, if the surface is corroded by acid rain in the long term or the solidified form is broken by external force, the heavy metal protected by cement is eluted and contaminates the surrounding soil. In addition, it uses a large amount of cement, etc., which is highly dependent on energy, and in itself uses a lot of soil and sand, which are resources in itself. There is no mention of Sato.
본 발명은 종래 에너지 집약 제품인 소성 점토벽돌을 대체할 준설사토와 슬러지 같은 폐자원을 이용한 친환경 비소성 점토 벽돌을 제조하기 위하여 안출된 것으로서, 본 발명의 주된 목적은 유해물질이 함유되어 버리거나 해양투기 혹은 매립할 수밖에 없는 유용한 점토 대용물질인 준설사토와 슬러지를 기능성 첨가제, 소각재, 연소재, 생석회를 이용해 근원적으로 무해화 안정화시킨 다음 폐석분, 스칼렛 파우더, 고로슬래그미분말 혹은 시멘트, 그리고 고성능 결합재를 이용해 상온에서 고강도 비소성 친환경 점토 벽돌을 제조하여 각종 건축 및 토목공사의 보도블럭, 호안블럭, 경계석, 보강토옹벽블럭 등과 건축토목재로 사용될 수 있도록 획기적이고 경제적인 점토 벽돌 및 이의 제조방법을 제공하는 데 목적이 있다.The present invention has been made in order to manufacture environmentally friendly non-plastic clay brick using waste resources such as dredged sand and sludge to replace plastic clay brick, which is a conventional energy-intensive product, the main object of the present invention is to contain harmful substances or to dump Dredged sand and sludge, useful substitutes for landfill, are fundamentally harmlessly stabilized with functional additives, incinerators, combustors, and quicklime, and then stored at room temperature using waste-rock powder, scarlet powder, blast furnace slag powder or cement, and high-performance binders. To manufacture high-strength non-plastic eco-friendly clay bricks and to provide innovative and economical clay bricks and manufacturing methods thereof for use as construction civil engineering materials such as sidewalk blocks, raft blocks, boundary stones, reinforced earth retaining wall blocks, etc. There is this.
상기와 같은 목적을 달성하기 위하여 본 발명은,According to an aspect of the present invention,
먼저 유해물질이 함유된 준설사토 및 슬러지를 무해화 안정화시키는데 있어 준설사토나 슬러지 중 어느 하나 혹은 이들의 혼합물 50~60중량%와First, 50% to 60% by weight of any one of dredged sand, sludge or mixtures thereof is used to stabilize the dredging sand and sludge containing harmful substances.
EDTA 0.02~0.03중량%,EDTA 0.02-0.03 wt%,
연소재 20~25중량%,20-25% by weight of combustibles,
소각재 15~20중량%,Incineration ash 15-20% by weight,
생석회 3~5중량%,3 to 5% by weight of quicklime,
탈취제 0.01~0.03중량%를 혼합하여 교반한 다음 100 중량%가 되도록 구성한다. 이렇게 구성된 점토성 고화토 100중량부에0.01 to 0.03% by weight of the deodorant is mixed and then mixed to make up to 100% by weight. 100 parts by weight of clay clay
폐석분 15~20중량부,15 to 20 parts by weight of waste stone,
스칼렛 파우다(Scarlet Powder) 5~10중량부,Scarlet Powder 5-10 parts by weight,
고로슬래그미분말 혹은 시멘트 5~10중량부,Blast furnace slag powder or 5-10 parts by weight of cement,
그리고 고성능 결합재 5~15중량부를 더 포함시켜 교반하고 압축 성형하는 공정을 거쳐 상온에서 1~2일 양생하는 것을 특징으로 한다.And it further comprises 5 to 15 parts by weight of a high-performance binder, characterized in that the curing for 1 to 2 days at room temperature through a process of stirring and compression molding.
또한, 본 발명은 준설사토 및 슬러지를 무해화 안정화시킨 점토성 고화토에 폐석분, 스칼렛 파우다, 고로슬래그미분말 혹은 시멘트, 그리고 고성능 결합재를 혼합해 비소성 친환경 점토 벽돌을 제조하는데 있어,In addition, the present invention is to prepare a non-plastic eco-friendly clay brick by mixing waste stone powder, scarlet powder, blast furnace slag powder or cement, and a high-performance binder in clay solidified clay stabilized dredged sand and sludge.
(S1) 준설사토나 슬러지 중 어느 하나 혹은 이들의 혼합물 50~60중량%와 EDTA 0.02~0.03중량%가 포함된 제1혼합물을 제조하는 1차 혼합단계;(S1) a first mixing step of preparing a first mixture containing any one of dredged sand or sludge or 50 to 60% by weight of a mixture thereof and 0.02 to 0.03% by weight of EDTA;
(S2) 연소재 20~25중량%, 소각재 15~20중량%, 생석회 3~5중량%가 포함된 제2혼합물을 제조하는 2차 혼합단계;(S2) a second mixing step of preparing a second mixture containing 20 to 25% by weight of the combustion material, 15 to 20% by weight of the incineration ash, and 3 to 5% by weight of quicklime;
(S3) 상기 제1혼합물과 제2혼합물을 균일하게 혼합하면서 탈취제 0.01~0.03중량%를 더 첨가하여 점토성 고화토인 제3혼합물을 제조하는 3차 혼합단계;(S3) a third mixing step of preparing a third mixture of clay solidified soil by further adding 0.01 to 0.03 wt% of deodorant while uniformly mixing the first mixture and the second mixture;
(S4) 상기 제3혼합물을 1~2일간 안정화시키고 건조 및 분쇄하여 제4혼합물을 제조하는 4차 건조 및 분쇄단계;(S4) a fourth drying and grinding step of stabilizing the third mixture for 1 to 2 days, drying and pulverizing to produce a fourth mixture;
(S5) 상기 제4혼합물 100중량부 당 폐석분 15~20중량부, 스칼렛 파우다(Scarlet Powder) 5~10중량부, 그리고 고로슬래그미분말 혹은 시멘트 5~10중량부를 더 혼합하여 제5혼합물을 제조하는 5차 혼합단계;(S5) 15 to 20 parts by weight of waste-rock powder, 5 to 10 parts by weight of scarlet powder, and 5 to 10 parts by weight of blast furnace slag powder or cement per 100 parts by weight of the fourth mixture to prepare a fifth mixture. A fifth mixing step;
(S6) 상기 제5혼합물에 상기 제4혼합물 100중량부 대비 고성능 결합재 5~15중량부를 더 첨가하여 제6혼합물을 제조하는 6차 혼합단계;(S6) a sixth mixing step of preparing a sixth mixture by further adding 5 to 15 parts by weight of the high performance binder to the fifth mixture in comparison with 100 parts by weight of the fourth mixture;
(S7) 상기 제6혼합물을 건식 유압성형기를 이용해 원하는 형상으로 성형하여 제품을 제조하는 제7차 압축성형단계;(S7) a seventh compression molding step of manufacturing a product by molding the sixth mixture into a desired shape using a dry hydraulic molding machine;
(S8) 상기 제7차 압축성형단계를 거친 제품을 1~2일 동안 양생실에서 양생시키는 제8차 양생단계를 포함하여 제조되는 것을 특징으로 한다.(S8) characterized in that it comprises the eighth curing step of curing the product undergoing the seventh compression molding step in the curing room for 1-2 days.
본 발명에 따른 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌 및 이의 제조방법은 하기의 효과를 갖는다.Environmentally friendly clay bricks and methods for producing the same are used to recycle dredged sand and sludge according to the present invention.
첫째, 유해물질로 오염되어 처리가 곤란한 준설사토를 점토물질 대체재로 재활용하여 폐기물을 자원화시킬 수 있다.First, waste can be recycled by recycling dredged sand, which is difficult to treat due to contamination with hazardous materials, as a substitute for clay material.
둘째, 슬러지의 해양투기를 방지하고 대규모로 육상처리하여 점토물질 대체재로 재활용할 수 있음은 물론 매립으로 인한 환경오염을 획기적으로 줄일 수 있다.Second, it is possible to prevent sludge offshore dumping and to treat land on a large scale and recycle it as a substitute for clay material, and to drastically reduce environmental pollution due to landfilling.
셋째, 소성 및 비소성 점토벽돌 제조를 위해 대규모 점토류 채취장을 억제함으로서 환경파괴를 줄일 수 있다.Third, environmental destruction can be reduced by suppressing large-scale clay collection sites for plastic and non-fired clay brick production.
넷째, 에너지 다소비 제품인 시멘트를 아예 사용하지 않거나 최소한으로 사용함으로서 지구온난화 물질인 이산화탄소 배출량을 줄일 수 있다.Fourth, by not using or minimizing cement, which is an energy-saving product, it can reduce carbon dioxide emissions, which are global warming materials.
다섯째, 소성 점토벽돌 대신 비소성 점토벽돌을 제조해 에너지를 절약하여 점토벽돌의 원가를 크게 절감할 수 있다.Fifth, the cost of clay bricks can be greatly reduced by producing non-fired clay bricks instead of plastic clay bricks.
여섯째, 대부분의 원료를 버려지는 폐자원을 재활용하여 사용하기 때문에 매우 친환경적이다.Sixth, it is very environmentally friendly because it recycles and uses waste resources that discard most of the raw materials.
도 1은 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법을 보인 순서도,
도 2는 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법에 이용된 혼합첨가물의 명칭 및 공정도를 나타낸 도면,
도 3은 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법에 따라 제조된 점토 벽돌의 실제 제품사진.1 is a flow chart showing a manufacturing method of eco-friendly clay brick recycled dredged sand and sludge of the present invention,
Figure 2 is a view showing the name and process diagram of the mixed additives used in the manufacturing method of eco-friendly clay brick recycled dredged sand and sludge of the present invention,
Figure 3 is an actual product photo of clay brick prepared according to the method of manufacturing eco-friendly clay brick recycled dredged sand and sludge of the present invention.
본 발명은 다양한 변경을 가할 수 있고 여러 가지 실시예를 가질 수 있는 바, 특정 실시예들을 도면에 예시하고 상세한 설명에 상세하게 설명하고자 한다.As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.
그러나, 이는 본 발명을 특정한 실시 형태에 대해 한정하려는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변경, 균등물 내지 대체물을 포함하는 것으로 이해되어야 한다. 각 도면을 설명하면서 유사한 참조부호를 유사한 구성요소에 대해 사용하였다.However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals are used for like elements in describing each drawing.
본 출원에서 사용한 용어는 단지 특정한 실시예를 설명하기 위해 사용된 것으로, 본 발명을 한정하려는 의도가 아니다. 단수의 표현은 문맥상 명백하게 다르게 뜻하지 않는 한, 복수의 표현을 포함한다. 본 출원에서, "포함하다" 또는 "가지다" 등의 용어는 명세서상에 기재된 특징, 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것이 존재함을 지정하려는 것이지, 하나 또는 그 이상의 다른 특징들이나 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것들의 존재 또는 부가 가능성을 미리 배제하지 않는 것으로 이해되어야 한다.The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.
다르게 정의되지 않는 한, 기술적이거나 과학적인 용어를 포함해서 여기서 사용되는 모든 용어들은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에 의해 일반적으로 이해되는 것과 동일한 의미를 가지고 있다. 일반적으로 사용되는 사전에 정의되어 있는 것과 같은 용어들은 관련 기술의 문맥상 가지는 의미와 일치하는 의미를 가지는 것으로 해석되어야 하며, 본 출원에서 명백하게 정의하지 않는 한, 이상적이거나 과도하게 형식적인 의미로 해석되지 않는다.Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and are not construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.
이하, 첨부된 도면을 참조로 본 발명의 실시예를 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
본 명세서 전체에 걸쳐 언급하는 슬러지는 그 자체로 국한되지 않고 하수, 폐수, 정수, 공정오니를 포함하며, 준설사토는 호소, 하천, 해안, 항만 준설토를 포함한다. 단 해안 및 항만준설토는 염분이 충분히 제거된 것을 사용한다.Sludge referred to throughout this specification includes, but is not limited to, sewage, wastewater, water purification, process sludge, and dredged sand includes lakes, rivers, shores, and harbor dredged soil. However, coastal and harbor dredged soils should be sufficiently salted.
본 발명에 따른 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌 및 건축토목재의 제조를 위한 구성물로는 준설사토와 슬러지 외에 EDTA, 연소재, 소각재, 생석회, 탈취제 폐석분, 스칼렛 파우다, 고로슬래그미분말 혹은 시멘트, 그리고 고성능 결합재가 사용된다.The components for the manufacture of eco-friendly clay brick and construction civil engineering materials recycled dredged sand and sludge according to the present invention, in addition to dredged sand and sludge EDTA, combustion materials, incineration ash, quicklime, deodorant waste stone powder, scarlet powder, blast furnace slag powder or cement And high performance binders.
조성물Composition
이하 각 조성에 대해 더욱 상세히 설명한다.Hereinafter, each composition will be described in more detail.
이때 하기 설명되어지는 각 조성의 함량 범위는 각 조성을 사용하는 경우 얻어지는 각각의 효과와, 다른 조성과 혼합하여 얻어지는 시너지 효과를 최대화하기 위한 최적의 범위로서, 이 범위를 벗어나는 경우 전술한 바의 효과를 얻지 못한다.At this time, the content range of each composition described below is an optimum range for maximizing each effect obtained when using each composition and the synergy effect obtained by mixing with other compositions. Not get
본 발명에 따른 점토벽돌 및 건축토목재 조성물은 준설사토나 슬러지를 주성분으로 하여 제조된다.Clay brick and architectural civil engineering composition according to the present invention is prepared with the main component is dredged sand or sludge.
상기 EDTA는 화학식 C10H16N2O8을 가진 에틸렌다이아민테트라아세트산이며, 중금속 이온과 결합하여 강력한 킬레이트결합을 이루는 물질이다.The EDTA is ethylenediaminetetraacetic acid having the formula C 10 H 16 N 2 O 8 , and is a substance that forms strong chelate bonds by binding to heavy metal ions.
연소재는 화력발전소 또는 열병합발전소에서 발생하는 플라이애쉬(Fly Ash)이며 전기집진기에 포집된 함수율 1% 미만의 것을 말한다. 플라이애쉬는 인공포졸란에 속하며 그 자체는 수경성이 없으나 자체에 포함된 실리카물질이 물과 석회에 의하여 상온에서 서서히 반응을 일으켜 안정된 불용성화합물을 생성하여 경화하는 성질을 가지고 있다. 일반적으로 시멘트 대체재로 대부분 사용된다.Combustors are fly ash generated from thermal power plants or cogeneration plants and are less than 1% moisture content collected in the electrostatic precipitator. Fly ash belongs to artificial pozzolanic, which itself is not hydrophobic, but its silica material reacts slowly at room temperature by water and lime to produce a stable insoluble compound and harden it. Generally used as a cement substitute.
소각재는 하수슬러지, 제지슬러지, 폐목재, 폐합섬을 태워 발생하는 재(灰)를 말하며, 탈황 또는 탈염소하기 위해 석회를 사용하는 공정에서 발생하는 잠재수경성의 일반폐기물을 의미한다. 물을 만나면 자체로 경화하는 특성이 있으며 값비싼 생석회 대체제로 사용된다.Incineration ash refers to ash generated from burning sewage sludge, paper sludge, waste wood, and waste synthetic islands, and refers to latent hydroponic general waste generated from the process of using lime for desulfurization or dechlorination. When it meets water, it hardens itself and is used as an expensive quicklime substitute.
생석회는 탄산칼슘을 가열하여 얻어진 CaO 함량 80% 이상의 것을 말하며 물과 만나 흡수발열반응하면서 함수율를 감소시킨다.Quicklime refers to more than 80% of CaO content obtained by heating calcium carbonate and meets water to reduce the water content during absorption and exothermic reaction.
탈취제는 본 발명에서는 국내 E사의 Bio520을 사용한다. 그러나 악취 흡착 및 분해기능이 있는 활성탄, 제올라이트, 이산화염소, 과산화수소, 차아염소산나트륨, H3PO4 , Tri-salt 중 어느 하나를 사용해도 무방하다. 단 활성탄 및 제올라이트는 소량이면 효과가 미흡하므로 준설사토나 슬러지 중 어느 하나 혹은 이들의 혼합물 50~60중량%에 3~5 중량%의 비율로 사용함이 바람직하다.In the present invention, the deodorant uses Bio520, a domestic company E. However, any one of activated carbon, zeolite, chlorine dioxide, hydrogen peroxide, sodium hypochlorite, H 3 PO 4 and tri-salt, which has odor adsorption and decomposition functions, may be used. However, since activated carbon and zeolite are not effective in a small amount, it is preferable to use 50 to 60% by weight of dredged soil or sludge or a mixture of 3 to 5% by weight.
폐석분은 석재 산업의 부산물로 잔골재를 채취하고 남은 부산물 혹은 연마 및 절단 공정 중 슬러지 형태로 발생된 것을 말한다. 강도증진 보조제로 사용한다.Waste stone powder is a by-product of the stone industry, and it refers to the by-products left after collecting fine aggregates or sludge during the grinding and cutting process. Used as strength booster.
스칼렛 파우다(Scarlet Powder)는 보크사이트 원료 광물에서 베이어(Bayer)법(알루미나가 다량 존재하는 원료광물에 수산화나트륨(NaOH)를 가하여 수산화알루미늄을 추출하는 방법)에 의해 수산화알루미늄을 추출하고 남은 슬러지를 의미하는 것으로, 5~20의 크기를 가지는 미분체이며, 약 30%정도의 수분함량을 가진 슬러리 형태(반죽형태)로 산출되어진 것을 건조시켜 가공한 것으로 건조 후 표면에 발생하는 흰 분말상의 결정(백화현상)을 제거한 것을 말한다.Scarlet Powder extracts aluminum hydroxide from bauxite raw material by extracting aluminum hydroxide by Bayer method (a method of extracting aluminum hydroxide by adding sodium hydroxide (NaOH) to raw material containing a large amount of alumina). Meaning, it is a fine powder having a size of 5 to 20, and is processed by drying what is calculated in the form of a slurry (dough form) having a water content of about 30%. It means the removal of whitening phenomenon.
고로슬래그미분말은 철(iron)을 생산하는 고로(용광로)에 장입된 철광석, 코크스와 석회석 등에 포함된 비철성분이 용융된 것을 고압의 물로 급랭시켜 모래와 같은 형상의 수재슬래그를 밀(mill)에서 일정 분말도로 분쇄한 것을 말하며, 경화체의 장기강도를 증진시키고 조직을 치밀하게 유지해줘 내구성을 향상시킨다. 분말도 7,000cm2/g 이상인 것을 사용한다.Blast furnace slag powder is quenched with high-pressure water in which molten iron ore, coke and limestone, which are charged in iron-producing blast furnace (furnace), are quenched with high-pressure water and milled sand-like wood slag in mill. It refers to pulverized to a certain powder, and improves the long-term strength of the cured body and keeps the tissue tight, thereby improving durability. Powders of 7,000 cm 2 / g or more are also used.
시멘트는 1종 보통 포틀랜드시멘트를 사용한다. 상기 1종 보통 포틀랜드 시멘트는 회색 및 백색 포틀랜드시멘트 중 어느 하나 혹은 혼합하여 사용할 수 있고 중금속 고정 및 강도증진을 위하여 첨가된다.Cement uses Class 1 ordinary portland cement. The first common portland cement may be used in any one of gray and white portland cement or mixed and added for fixing heavy metals and enhancing strength.
고성능 결합재는 폴리카르복실산(polycarboxylic acid) WRM 용액 22.99~25.67 중량%와 폴리카르복실산(polycarboxylic acid) WBM 용액 22.99~25.67 중량%, 셀룰로오스(메셀로스) 분말 22.99~25.67 중량%, 그리고 수산화알루미늄(Al(OH)3) 22.99~25.67 중량%로 이루어진 것을 특징으로 하며 이렇게 하여 제조된 고성능 결합재를 상기 점토성 고화토 100중량부 대비 5~15중량부를 더 첨가하여 사용하며 소성방식의 점토와 동일한 내구성 및 강도를 발현하면서 알칼리금속염의 용출을 방지하고 입자간 결속력을 강화시키는 역할을 한다.High-performance binders include 22.99 to 25.67 weight percent polycarboxylic acid WRM solution, 22.99 to 25.67 weight percent polycarboxylic acid WBM solution, 22.99 to 25.67 weight percent cellulose (mescelose) powder, and aluminum hydroxide (Al (OH) 3 ) 22.99 ~ 25.67% by weight, characterized in that the high-performance binder prepared in this way used by adding 5 to 15 parts by weight based on 100 parts by weight of the clay solidified soil and the same as the firing method clay While expressing durability and strength, it prevents the elution of alkali metal salts and strengthens the binding force between particles.
제조방법Manufacturing method
이하 첨부된 도면을 참조로 본 발명인 친환경 점토 벽돌의 제조방법을 설명한다. 도1은 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법을 보인 순서도이고, 도2는 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법에 이용된 혼합첨가물의 명칭 및 공정도를 나타낸 도면이며, 도3은 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법에 따라 제조된 점토 벽돌의 실제 제품사진이다.Hereinafter, with reference to the accompanying drawings will be described a manufacturing method of the present invention environmentally friendly clay brick. 1 is a flow chart showing a method for manufacturing environmentally friendly clay bricks recycled dredged sand and sludge of the present invention, Figure 2 is a name of the mixed additives used in the manufacturing method of environmentally friendly clay bricks recycled dredged sand and sludge of the present invention And Figure 3 is a view showing the process, Figure 3 is an actual product photo of the clay brick manufactured according to the manufacturing method of environmentally friendly clay brick recycled dredged sand and sludge of the present invention.
도 1을 참조하면, 준설사토, 슬러지, EDTA, 연소재, 소각재, 생석회, 탈취제 폐석분, 스칼렛 파우다, 고로슬래그미분말 혹은 시멘트, 그리고 고성능 결합재를 사용하여 제조되는 점토벽돌은Referring to Figure 1, dredged sand, sludge, EDTA, combustion materials, incineration ash, quicklime, deodorant waste stone powder, scarlet powder, blast furnace slag powder or cement, and clay bricks prepared using a high performance binder
(S1) 준설사토나 슬러지 중 어느 하나 혹은 이들의 혼합물 50~60중량%와 EDTA 0.02~0.03중량%가 포함된 제1혼합물을 제조하는 1차 혼합단계;(S1) a first mixing step of preparing a first mixture containing any one of dredged sand or sludge or 50 to 60% by weight of a mixture thereof and 0.02 to 0.03% by weight of EDTA;
(S2) 연소재 20~25중량%, 소각재 15~20중량%, 생석회 3~5중량%가 포함된 제2혼합물을 제조하는 2차 혼합단계;(S2) a second mixing step of preparing a second mixture containing 20 to 25% by weight of the combustion material, 15 to 20% by weight of the incineration ash, and 3 to 5% by weight of quicklime;
(S3) 상기 제1혼합물과 제2혼합물을 균일하게 혼합하면서 탈취제 0.01~0.03중량%를 더 첨가하여 점토성 고화토인 제3혼합물을 제조하는 3차 혼합단계;(S3) a third mixing step of preparing a third mixture of clay solidified soil by further adding 0.01 to 0.03 wt% of deodorant while uniformly mixing the first mixture and the second mixture;
(S4) 상기 제3혼합물을 1~2일간 안정화시키고 건조 및 분쇄하여 제4혼합물을 제조하는 4차 건조 및 분쇄단계;(S4) a fourth drying and grinding step of stabilizing the third mixture for 1 to 2 days, drying and pulverizing to produce a fourth mixture;
(S5) 상기 제4혼합물 100중량부 당 폐석분 15~20중량부, 스칼렛 파우다(Scarlet Powder) 5~10중량부, 그리고 고로슬래그미분말 혹은 시멘트 5~10중량부를 더 혼합하여 제5혼합물을 제조하는 5차 혼합단계;(S5) 15 to 20 parts by weight of waste-rock powder, 5 to 10 parts by weight of scarlet powder, and 5 to 10 parts by weight of blast furnace slag powder or cement per 100 parts by weight of the fourth mixture to prepare a fifth mixture. 5th mixing step;
(S6) 상기 제5혼합물에 상기 제4혼합물 100중량부 대비 고성능 결합재 5~15중량부를 더 첨가하여 제6혼합물을 제조하는 6차 혼합단계;(S6) a sixth mixing step of preparing a sixth mixture by further adding 5 to 15 parts by weight of the high performance binder to the fifth mixture in comparison with 100 parts by weight of the fourth mixture;
(S7) 상기 제6혼합물을 건식 유압성형기를 이용해 원하는 형상으로 성형하여 제품을 제조하는 제7차 압축성형단계;(S7) a seventh compression molding step of manufacturing a product by molding the sixth mixture into a desired shape using a dry hydraulic molding machine;
(S8) 상기 제7차 압축성형단계를 거친 제품을 1~2일 동안 양생실에서 양생시키는 제8차 양생단계를 포함하여 제조된다.(S8) is prepared, including the eighth curing step to cure the product undergoing the seventh compression molding step in the curing room for 1-2 days.
먼저, (S1) 단계에서 준설사토나 슬러지 중 어느 하나 혹은 이들의 혼합물 50~60중량%와 EDTA 0.02~0.03중량% 정밀 혼합하여 제1혼합물을 제조하는 1차 혼합단계를 수행한다. 이때 EDTA는 반응성을 높이기 위해 역침투막, 한외여과막, 이온교환수지를 이용해 원수를 정화한 초순수(超純水)에 2~5배 희석하여 사용해도 무방하다.First, in the step (S1) is carried out the primary mixing step of producing a first mixture by precisely mixing any one of the dredged sand or sludge 50-60% by weight of the mixture and 0.02-0.03% by weight EDTA. At this time, EDTA may be diluted 2 to 5 times in ultrapure water purified by using reverse osmosis membrane, ultrafiltration membrane, and ion exchange resin to increase reactivity.
다음으로, (S2) 단계에서는 연소재 20~25중량%, 소각재 15~20중량%, 생석회 3~5중량%를 혼합하여 제2혼합물을 제조하는 2차 혼합단계를 수행한다. 여기서 연소재를 제외한 소각재, 생석회는 잠재수경성이 있어 수분이 침투하면 즉시 반응하여 굳어지므로 수분이 침투하지 않는 밀폐된 용기에 보관하는 것이 바람직하며 모두 정량공급장치를 이용해 균일하게 공급하는 것이 중요하다.Next, in the step (S2), 20 to 25% by weight of the combustion material, 15 to 20% by weight of the incineration ash, and 3 to 5% by weight of quicklime are mixed to perform a second mixing step of preparing a second mixture. The incineration ash and quicklime, except for the combustion ash, are latent hydrophobic, so when the water penetrates, it reacts and hardens immediately. Therefore, it is preferable to store it in a closed container where moisture does not penetrate.
다음으로, (S3) 단계에서는 상기 제1혼합물과 제2혼합물을 균일하게 혼합하면서 탈취제 0.01~0.03중량%를 첨가하여 점토성 고화토인 제3혼합물을 제조하는 3차 혼합단계를 수행한다.Next, in step (S3), a third mixing step of preparing a third mixture, which is a clay solidified soil, is added by adding 0.01 ~ 0.03 wt% of a deodorant while uniformly mixing the first mixture and the second mixture.
다음으로, (S4) 단계에서는 상기 제3혼합물을 1~2일간 안정화시키고 건조 및 분쇄하여 제4혼합물을 제조하는 4차 건조 및 분쇄단계를 수행한다. 분쇄는 고속 Chopper가 부착된 핀밀(pin mill)을 사용하여 분쇄하며, 필요하다면 급속건조를 위해 열풍건조기를 사용한다.Next, in step (S4), the third mixture is stabilized for 1 to 2 days, dried and pulverized to perform a fourth drying and pulverizing step of preparing a fourth mixture. Grinding is carried out using a pin mill with a high speed chopper and a hot air dryer for rapid drying if necessary.
다음으로, (S5) 단계에서는 상기 제4혼합물 100중량부 당 폐석분 15~20중량부, 스칼렛 파우다(Scarlet Powder) 5~10중량부, 그리고 고로슬래그미분말 혹은 시멘트 5~10중량부를 더 혼합하여 제5혼합물을 제조하는 5차 혼합단계를 수행한다.Next, in the step (S5) by further mixing 15 to 20 parts by weight of waste stone powder, 5 to 10 parts by weight of scarlet powder (Scarlet Powder), and 5 to 10 parts by weight of blast furnace slag powder or cement per 100 parts by weight of the fourth mixture. A fifth mixing step of preparing a fifth mixture is performed.
다음으로, (S6) 단계에서는 상기 제5혼합물에 제4혼합물 100중량부 대비 고성능 결합재 5~15중량부를 더 첨가하여 제6혼합물을 제조하는 6차 혼합단계를 수행한다.Next, in the step (S6) to perform a sixth mixing step to produce a sixth mixture by adding 5 to 15 parts by weight of the high performance binder to the fifth mixture 100 parts by weight of the fourth mixture.
다음으로, (S7) 단계에서는 상기 제6혼합물을 건식 유압성형기를 이용해 원하는 형상으로 성형하여 제품을 제조하는 제7차 압축성형단계를 수행한다.Next, in the step (S7) performs the seventh compression molding step of manufacturing the product by molding the sixth mixture to a desired shape using a dry hydraulic molding machine.
다음으로, (S8) 단계에서는 상기 제7차 압축성형단계를 거친 제품을 1~2일 동안 상온 양생실에서 양생시키는 제8차 양생단계를 거쳐 점토 벽돌을 제조한다.Next, in the step (S8) to produce a clay brick through the eighth curing step to cure the product undergoing the seventh compression molding step in a room temperature curing room for 1-2 days.
용도Usage
전술한 바의 단계를 거쳐 제조된 점토 벽돌은 기존 소성 점토벽돌의 내구성 및 강도기준에도 손색이 없고 유해물질의 용출도 없으므로 소성 점토 벽돌을 대체하는 비소성 친환경 점토 벽돌 및 건축토목재로 바람직하게 사용할 수 있다.The clay brick manufactured through the above-described steps is suitable for non-plastic eco-friendly clay bricks and construction civil engineering materials that replace plastic clay bricks because they do not infer the durability and strength standards of existing plastic clay bricks and do not dissolve harmful substances. Can be.
아래[표1]은 전술한 바와 같이 제조된 비소성 점토 벽돌 및 건축토목재의 폐기물공정시험기준:2008에 따른 중금속용출시험 결과이다. 무해함을 알 수 있다.[Table 1] below shows the results of the heavy metal dissolution test according to the Waste Process Test Criteria: 2008 for non-fired clay bricks and construction civil engineering materials manufactured as described above. It can be seen that it is harmless.
이상에서 본 발명의 특정한 실시예에 설명 및 도시하였지만 본 발명은 당업자에 의하여 다양하게 변형되어 실시될 가능성이 있는 것이 자명한 일이다. 이와 같이 변형된 실시예들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안되며, 이와 같이 변형된 실시예들은 첨부된 특허청구범위 안에 속한다 해야 할 것이다.Although specific embodiments of the present invention have been described and illustrated above, it is obvious that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be individually understood from the technical spirit or the prospect of the present invention, and such modified embodiments should fall within the scope of the appended claims.
<실시예><Examples>
먼저 준설사토 및 슬러지 혹은 이들의 혼합물 50중량%, EDTA 0.02중량%를 혼합하여 제1혼합물을 제조하고, 연소재 23 중량%, 소각재 21 중량%, 생석회 5 중량%를 혼합하여 제2혼합물을 제조하였다. 이어서 제1혼합물과 제2혼합물을 별도의 혼합기로 혼합하면서 탈취제 0.025 중량%를 첨가하고 다시 혼합한 다음, 자연건조 후, 100번 체(149)로 걸러 미세분말의 제3혼합물을 제조하였다. 상기 제3혼합물 100 중량부에 폐석분 15 중량부, 스칼렛 파우다 10 중량부, 시멘트 7 중량부, 고성능 결합재 13 중량부의 비율로 혼합하여 점토벽돌 형틀에 투입하고 가압하여 점토벽돌 형상을 제조한 다음, 2일 동안 양생시켜 목적하는 비소성 점토 벽돌을 제조하였다.First, the first mixture is prepared by mixing 50% by weight of dredged sand and sludge or a mixture thereof and 0.02% by weight of EDTA, and a second mixture is prepared by mixing 23% by weight of combustion ash, 21% by weight of incineration ash, and 5% by weight of quicklime. It was. Subsequently, while mixing the first mixture and the second mixture in a separate mixer, 0.025% by weight of deodorant was added and mixed again, and after natural drying, a third mixture of fine powder was prepared by sieving 100 times. 15 parts by weight of waste rock powder, 10 parts by weight of scarlet powder, 7 parts by weight of cement, and 13 parts by weight of high performance binder were mixed with 100 parts by weight of the third mixture, and then put into a clay brick mold and pressurized to prepare a clay brick shape. Curing for 2 days gave the desired non-fired clay brick.
이때 사용된 각 조성은 하기 [표2]와 [표3]에 나타난 바와 같다.The composition used at this time is as shown in the following [Table 2] and [Table 3].
점토벽돌Non-plastic
Clay brick
<실시예 1>≪ Example 1 >
준설사토 50중량%, EDTA 0.02중량%를 혼합하여 제1혼합물을 제조하고, 연소재 23 중량%, 소각재 21 중량%, 생석회 5 중량%를 혼합하여 제2혼합물을 제조하였다. 이어서 제1혼합물과 제2혼합물을 별도의 혼합기로 혼합하면서 탈취제 0.025 중량%를 첨가하고 다시 혼합한 다음, 자연건조 후, 100번 체(149)로 걸러 미세분말의 제3혼합물을 제조하였다. 상기 제3혼합물 100 중량부에 폐석분 15 중량부, 스칼렛 파우다 10 중량부, 시멘트 7 중량부, 고성능 결합재 13 중량부의 비율로 더 혼합하여 점토벽돌 형틀에 투입하고 가압하여 점토벽돌 형상을 제조한 다음, 2일 동안 양생시켜 목적하는 비소성 점토벽돌을 제조하였다.A first mixture was prepared by mixing 50% by weight of dredged sand and 0.02% by weight of EDTA, and a second mixture was prepared by mixing 23% by weight of combustion ash, 21% by weight of incineration ash, and 5% by weight of quicklime. Subsequently, while mixing the first mixture and the second mixture in a separate mixer, 0.025% by weight of deodorant was added and mixed again, and after natural drying, a third mixture of fine powder was prepared by sieving 100 times. 15 parts by weight of waste rock powder, 10 parts by weight of scarlet powder, 7 parts by weight of cement, and 13 parts by weight of high-performance binder are added to 100 parts by weight of the third mixture, and then put into a clay brick mold and pressurized to prepare a clay brick shape. After curing for 2 days, the desired non-fired clay brick was prepared.
<실시예 2><Example 2>
하수슬러지 20중량%, EDTA 0.02중량%를 혼합하여 제1혼합물을 제조하고, 연소재 23 중량%, 소각재 21 중량%, 생석회 5 중량%를 혼합하여 제2혼합물을 제조하였다. 이어서 제1혼합물과 제2혼합물을 별도의 혼합기로 혼합하면서 탈취제 0.025 중량%를 첨가하고 다시 혼합한 다음, 자연건조 후, 100번 체(149)로 걸러 미세분말의 제3혼합물을 제조하였다. 상기 제3혼합물 100 중량부에 폐석분 15 중량부, 스칼렛 파우다 10 중량부, 시멘트 7 중량부, 고성능 결합재 13 중량부의 비율로 더 혼합하여 점토벽돌 형틀에 투입하고 가압하여 점토벽돌 형상을 제조한 다음, 2일 동안 양생시켜 목적하는 비소성 점토벽돌을 제조하였다.20% by weight of sewage sludge and 0.02% by weight of EDTA were mixed to prepare a first mixture, and 23% by weight of combustion material, 21% by weight of incineration ash, and 5% by weight of quicklime were prepared to prepare a second mixture. Subsequently, while mixing the first mixture and the second mixture in a separate mixer, 0.025% by weight of deodorant was added and mixed again, and after natural drying, a third mixture of fine powder was prepared by sieving 100 times. 15 parts by weight of waste rock powder, 10 parts by weight of scarlet powder, 7 parts by weight of cement, and 13 parts by weight of high-performance binder are added to 100 parts by weight of the third mixture, and then put into a clay brick mold and pressurized to prepare a clay brick shape. After curing for 2 days, the desired non-fired clay brick was prepared.
<실시예 3><Example 3>
준설사토 10중량%, 하수슬러지 20중량%, 폐수슬러지 20중량%, EDTA 0.02중량%를 혼합하여 제1혼합물을 제조하고, 연소재 23 중량%, 소각재 21 중량%, 생석회 5 중량%를 혼합하여 제2혼합물을 제조하였다. 이어서 제1혼합물과 제2혼합물을 별도의 혼합기로 혼합하면서 탈취제 0.025 중량%를 첨가하고 다시 혼합한 다음, 자연건조 후, 100번 체(149)로 걸러 미세분말의 제3혼합물을 제조하였다. 상기 제3혼합물 100 중량부에 폐석분 15 중량부, 스칼렛 파우다 10 중량부, 시멘트 7 중량부, 고성능 결합재 13 중량부의 비율로 더 혼합하여 점토벽돌 형틀에 투입하고 가압하여 점토벽돌 형상을 제조한 다음, 2일 동안 양생시켜 목적하는 비소성 점토벽돌을 제조하였다.10% by weight of dredged sand, 20% by weight of sewage sludge, 20% by weight of wastewater sludge, and 0.02% by weight of EDTA were mixed to prepare a first mixture, 23% by weight of combustion ash, 21% by weight of incineration ash, and 5% by weight of quicklime. A second mixture was prepared. Subsequently, while mixing the first mixture and the second mixture in a separate mixer, 0.025% by weight of deodorant was added and mixed again, and after natural drying, a third mixture of fine powder was prepared by sieving 100 times. 15 parts by weight of waste rock powder, 10 parts by weight of scarlet powder, 7 parts by weight of cement, and 13 parts by weight of high-performance binder are added to 100 parts by weight of the third mixture, and then put into a clay brick mold and pressurized to prepare a clay brick shape. After curing for 2 days, the desired non-fired clay brick was prepared.
<실시예 4><Example 4>
폐수슬러지 50중량%, EDTA 0.02중량%를 혼합하여 제1혼합물을 제조하고, 연소재 23 중량%, 소각재 21 중량%, 생석회 5 중량%를 혼합하여 제2혼합물을 제조하였다. 이어서 제1혼합물과 제2혼합물을 별도의 혼합기로 혼합하면서 탈취제 0.025 중량%를 첨가하고 다시 혼합한 다음, 자연건조 후, 100번 체(149)로 걸러 미세분말의 제3혼합물을 제조하였다. 상기 제3혼합물 100 중량부에 폐석분 15 중량부, 스칼렛 파우다 10 중량부, 시멘트 7 중량부, 고성능 결합재 13 중량부의 비율로 더 혼합하여 점토벽돌 형틀에 투입하고 가압하여 점토벽돌 형상을 제조한 다음, 2일 동안 양생시켜 목적하는 비소성 점토벽돌을 제조하였다.A first mixture was prepared by mixing 50% by weight of wastewater sludge and 0.02% by weight of EDTA, and a second mixture was prepared by mixing 23% by weight of combustion ash, 21% by weight of incineration ash, and 5% by weight of quicklime. Subsequently, while mixing the first mixture and the second mixture in a separate mixer, 0.025% by weight of deodorant was added and mixed again, and after natural drying, a third mixture of fine powder was prepared by sieving 100 times. 15 parts by weight of waste rock powder, 10 parts by weight of scarlet powder, 7 parts by weight of cement, and 13 parts by weight of high-performance binder are added to 100 parts by weight of the third mixture, and then put into a clay brick mold and pressurized to prepare a clay brick shape. After curing for 2 days, the desired non-fired clay brick was prepared.
<실시예 5><Example 5>
준설사토 25 중량%, 하수슬러지 25중량%, EDTA 0.02중량%를 혼합하여 제1혼합물을 제조하고, 연소재 23 중량%, 소각재 21 중량%, 생석회 5 중량%를 혼합하여 제2혼합물을 제조하였다. 이어서 제1혼합물과 제2혼합물을 별도의 혼합기로 혼합하면서 탈취제 0.025 중량%를 첨가하고 다시 혼합한 다음, 자연건조 후, 100번 체(149)로 걸러 미세분말의 제3혼합물을 제조하였다. 상기 제3혼합물 100 중량부에 폐석분 15 중량부, 스칼렛 파우다 10 중량부, 시멘트 7 중량부, 고성능 결합재 13 중량부의 비율로 더 혼합하여 점토벽돌 형틀에 투입하고 가압하여 점토벽돌 형상을 제조한 다음, 2일 동안 양생시켜 목적하는 비소성 점토벽돌을 제조하였다.A first mixture was prepared by mixing 25% by weight of dredged sand, 25% by weight of sewage sludge, and 0.02% by weight of EDTA, and a second mixture was prepared by mixing 23% by weight of combustion ash, 21% by weight of incineration ash, and 5% by weight of quicklime. . Subsequently, while mixing the first mixture and the second mixture in a separate mixer, 0.025% by weight of deodorant was added and mixed again, and after natural drying, a third mixture of fine powder was prepared by sieving 100 times. 15 parts by weight of waste rock powder, 10 parts by weight of scarlet powder, 7 parts by weight of cement, and 13 parts by weight of high-performance binder are added to 100 parts by weight of the third mixture, and then put into a clay brick mold and pressurized to prepare a clay brick shape. After curing for 2 days, the desired non-fired clay brick was prepared.
상기 실시예 1~4의 방법에 의해 제조된 점토벽돌 시료를 각각 취하여 압축강도 및 흡수율을 측정하여 하기 [표4]에 나타내었고, 비교예 1로 KS규격(KSL 4201)과 비교예 2로 GR규격(GR F 4014)의 점토벽돌 시험항목의 기준치를 나타내었다.Clay brick samples prepared by the method of Examples 1 to 4 were respectively taken to measure compressive strength and water absorption, and are shown in the following [Table 4]. In Comparative Example 1, KS standard (KSL 4201) and GR as Comparative Example 2 were measured. The standard value of clay brick test items of the standard (GR F 4014) is shown.
상기 시험결과에 의하면 실시예 1~5의 방법에 의해 제조된 점토벽돌 시료들의 압축강도 및 흡수율이, 비교예 1과 2의 KS규격(KSL 4201) 및 GR규격(GR F 4014)의 점토벽돌 시험항목의 기준치보다 월등한 결과를 나타냄을 알 수 있다. 따라서 본 발명의 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌의 제조방법에 의해 제조된 비소성 점토 벽돌은 아주 훌륭한 소성 점토 벽돌 및 건축토목재의 대체재로 활용될 수 있다.According to the test results, the clay brick samples of the clay brick samples prepared by the methods of Examples 1 to 5 were tested for clay bricks of KS standards (KSL 4201) and GR standards (GR F 4014) of Comparative Examples 1 and 2. It can be seen that the result is superior to the standard value of the item. Therefore, the non-fired clay brick produced by the method of manufacturing eco-friendly clay bricks recycled dredged sand and sludge of the present invention can be used as a substitute for very good plastic clay bricks and construction civil engineering.
Claims (5)
상기와 같이 구성된 점토성 고화토 100중량부 당 폐석분 15~20중량부, 스칼렛 파우다(Scarlet Powder) 5~10중량부, 고로슬래그미분말 혹은 시멘트 5~10중량부, 그리고 고성능 결합재 5~15중량부가 더 포함되어 이루어지는 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌.
50 to 60% by weight of any dredged soil or sludge or a mixture thereof, 0.02 to 0.03% by weight of EDTA, 20 to 25% by weight of combustion ash, 15 to 20% by weight of incineration ash, 3 to 5% by weight of quicklime, and 0.01 to 0.03 of deodorant Mix and mix the wt% to 100 wt%,
15 to 20 parts by weight of waste rock powder, 5 to 10 parts by weight of scarlet powder, blast furnace slag powder or cement 5 to 10 parts by weight, and 5 to 15 parts by weight of high performance binder Eco-friendly clay brick that recycles dredged sand and sludge, which contains additional parts.
상기 폐석분은 석재 산업의 부산물로 잔골재를 채취하고 남은 부산물 혹은 연마 및 절단 공정 중 슬러지 형태로 발생된 것을 말하고,
스칼렛 파우다(Scarlet Powder)는 보크사이트 원료 광물에서 수산화알루미늄을 추출하고 남은 슬러지를 의미하는 것으로, 5~20㎛의 크기를 가지는 미분체이며, 30%의 수분함량을 가진 슬러리 형태(반죽형태)로 산출되어진 것을 건조시켜 가공한 것으로 건조 후 표면에 발생하는 흰 분말상의 결정(백화현상)을 제거한 것을 말하고,
고로슬래그미분말은 철(iron)을 생산하는 고로(용광로)에 장입된 철광석, 코크스와 석회석에 포함된 비철성분이 용융된 것을 고압의 물로 급랭시켜 모래와 같은 형상의 수재슬래그를 밀(mill)에서 일정 분말도로 분쇄한 것을 말하며, 분말도 7,000cm2/g 이상인 것을 사용하며,
시멘트는 1종 보통 포틀랜드시멘트이며, 회색 및 백색 포틀랜드시멘트 중 어느 하나 혹은 이들을 혼합하여 사용할 수 있고 중금속 고정 및 강도증진을 위하여 첨가되는 것을 특징으로 하는 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌.
The method of claim 1,
The waste stone powder refers to the by-products of the stone industry, and the remaining by-products collected in the form of sludge during the grinding or cutting process,
Scarlet Powder (Scarlet Powder) refers to the sludge remaining after extraction of aluminum hydroxide from the bauxite raw material mineral, fine powder having a size of 5 ~ 20㎛, in the form of slurry (dough form) having a water content of 30% The resultant is dried and processed to remove white powdery crystals on the surface after drying.
The blast furnace slag powder is quenched with high-pressure water in which molten iron ore, coke and limestone melted in the blast furnace producing iron are quenched with high-pressure water, and the sand-like slag is milled in the mill. It refers to the pulverized to a certain powder, the powder is also used 7,000cm 2 / g or more,
Cement is one kind of ordinary portland cement, and can be used either gray or white portland cement or a mixture thereof, and is an eco-friendly clay brick recycled dredged sand and sludge, characterized in that it is added for fixing heavy metals and increasing strength.
상기 고성능 결합재는 폴리카르복실산(polycarboxylic acid) WRM 용액 22.99~25.67 중량%와 폴리카르복실산(polycarboxylic acid) WBM 용액 22.99~25.67 중량%, 셀룰로오스(메셀로스) 분말 22.99~25.67 중량%, 그리고 수산화알루미늄(Al(OH)3) 22.99~25.67 중량%로 이루어지고, 상기 점토성 고화토 100중량부 대비 5~15중량부를 더 첨가하여 사용하며, 소성방식의 점토와 동일한 내구성 및 강도를 발현하면서 알칼리금속염의 용출을 방지하고 입자간 결속력을 강화시키는 역할을 하는 것을 특징으로 하는 준설사토 및 슬러지를 재활용한 친환경 점토 벽돌.
The method of claim 1,
The high-performance binder is 22.99 to 25.67% by weight of polycarboxylic acid WRM solution, 22.99 to 25.67% by weight of polycarboxylic acid WBM solution, 22.99 to 25.67% by weight of cellulose (mescelose) powder, and hydroxide Aluminum (Al (OH) 3 ) 22.99 ~ 25.67% by weight, is used by adding 5 to 15 parts by weight relative to 100 parts by weight of clay clay, while expressing the same durability and strength as the clay of the firing method alkali Eco-friendly clay brick recycled dredged sand and sludge, which serves to prevent the elution of metal salts and to strengthen the cohesion between particles.
(S1) 준설사토나 슬러지 중 어느 하나 혹은 이들의 혼합물 50~60중량%와 EDTA 0.02~0.03중량%가 포함된 제1혼합물을 제조하는 1차 혼합단계;
(S2) 연소재 20~25중량%, 소각재 15~20중량%, 생석회 3~5중량%가 포함된 제2혼합물을 제조하는 2차 혼합단계;
(S3) 상기 제1혼합물과 제2혼합물을 균일하게 혼합하면서 탈취제 0.01~0.03중량%를 더 첨가하여 점토성 고화토인 제3혼합물을 제조하는 3차 혼합단계;
(S4) 상기 제3혼합물을 1~2일간 안정화시키고 건조 및 분쇄하여 제4혼합물을 제조하는 4차 건조 및 분쇄단계;
(S5) 상기 제4혼합물 100중량부 당 폐석분 15~20중량부, 스칼렛 파우다(Scarlet Powder) 5~10중량부, 그리고 고로슬래그미분말 혹은 시멘트 5~10중량부를 더 혼합하여 제5혼합물을 제조하는 5차 혼합단계;
(S6) 상기 제5혼합물에 상기 제4혼합물 100중량부 대비 고성능 결합재 5~15중량부를 더 첨가하여 제6혼합물을 제조하는 6차 혼합단계;
(S7) 상기 제6혼합물을 건식 유압성형기를 이용해 원하는 형상으로 성형하여 제품을 제조하는 제7차 압축성형단계;
(S8) 상기 제7차 압축성형단계를 거친 제품을 1~2일 동안 양생실에서 양생시키는 제8차 양생단계를 포함하여 제조되는 준설사토(浚渫捨土) 및 슬러지(sludge:汚泥)를 재활용한 친환경 점토 벽돌의 제조방법.In manufacturing non-plastic eco-friendly clay brick recycled dredged sand and sludge,
(S1) a first mixing step of preparing a first mixture containing any one of dredged sand or sludge or 50 to 60% by weight of a mixture thereof and 0.02 to 0.03% by weight of EDTA;
(S2) a second mixing step of preparing a second mixture containing 20 to 25% by weight of the combustion material, 15 to 20% by weight of the incineration ash, and 3 to 5% by weight of quicklime;
(S3) a third mixing step of preparing a third mixture of clay solidified soil by further adding 0.01 to 0.03 wt% of deodorant while uniformly mixing the first mixture and the second mixture;
(S4) a fourth drying and grinding step of stabilizing the third mixture for 1 to 2 days, drying and pulverizing to produce a fourth mixture;
(S5) 15 to 20 parts by weight of waste-rock powder, 5 to 10 parts by weight of scarlet powder, and 5 to 10 parts by weight of blast furnace slag powder or cement per 100 parts by weight of the fourth mixture to prepare a fifth mixture. A fifth mixing step;
(S6) a sixth mixing step of preparing a sixth mixture by further adding 5 to 15 parts by weight of the high performance binder to the fifth mixture in comparison with 100 parts by weight of the fourth mixture;
(S7) a seventh compression molding step of manufacturing a product by molding the sixth mixture into a desired shape using a dry hydraulic molding machine;
(S8) recycling the dredged sand and sludge produced by the eighth curing step of curing the product undergoing the seventh compression molding step in the curing room for 1-2 days A method of making environmentally friendly clay bricks.
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