KR20140131698A - The manufacturing method of block using industrial byproducts - Google Patents
The manufacturing method of block using industrial byproducts Download PDFInfo
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- KR20140131698A KR20140131698A KR20130050592A KR20130050592A KR20140131698A KR 20140131698 A KR20140131698 A KR 20140131698A KR 20130050592 A KR20130050592 A KR 20130050592A KR 20130050592 A KR20130050592 A KR 20130050592A KR 20140131698 A KR20140131698 A KR 20140131698A
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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
- C04B18/00—Use 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
- C04B18/04—Waste materials; Refuse
- C04B18/0427—Dry materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/10—Clay
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/14—Minerals of vulcanic origin
- C04B14/18—Perlite
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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
- C04B18/00—Use 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
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
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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
- C04B18/00—Use 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
- C04B18/04—Waste materials; Refuse
- C04B18/30—Mixed waste; Waste of undefined composition
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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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/12—Acids or salts thereof containing halogen in the anion
- C04B22/124—Chlorides of ammonium or of the alkali or alkaline earth metals, e.g. calcium chloride
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/40—Building 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
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- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
Description
본원은 산업용 부산물인 정수장 슬러지와 화력발전소에서 부산물로 얻어지는 바텀애쉬를 동시에 적정비율로 혼합하여 잠재수경성이나 포졸란 반응에 의하여 일정범위의 강도를 확보하며 재활용도를 높이고, 상기 혼합원료에 마분을 먼저 혼합하여 숙성과정을 거친 후 황토 및 일반골재나 기능성 원료를 추가하여 일정강도를 확보하는 벽돌이나 도로경계석 등으로 사용되는 블록 조성물에 관한 것이다.In this paper, we propose a new method to improve the efficiency of recycling by mixing potable sludge, which is a byproduct of industrial use, and bottom ash, which is obtained as a byproduct in a thermal power plant, at a suitable ratio to secure a certain range of strength by potential hydraulic and pozzolanic reaction, And a block composition used as a brick or a road boundary stone in which yellow stones, general aggregates or functional raw materials are added after aging to secure a certain strength.
일반적으로, 정수장 슬러지는 수돗물을 정수하는 과정에서 원수의 부유물질이 침전되면서 발생되는 진흙상태의 오니 침전물로서, 원수의 부유물 및 중금속 등과 같은 오염물질을 제거하기 위하여 투여되는 황산알루미늄 등과 같은 무기계 응집제 또는 고분자응집제 등, 그리고 대장균 및 일반세균의 화학적 살균처리를 위해 투여되는 염소 또는 오존 등의 유기물이 포함되어 있는 오염물질이다.In general, a water purification plant sludge is a sludge sludge in a mud state generated by precipitating suspended solids in the process of purifying tap water, and is used as an inorganic flocculant such as aluminum sulphate or the like to be administered to remove contaminants such as floating water and heavy metals Polymer flocculants, and organic substances such as chlorine or ozone, which are administered for chemical sterilization of Escherichia coli and common bacteria.
그동안 정수장 슬러지는 폐기물로서 농축, 탈수, 건조과정을 거친 다음 대부분 쓰레기 매립장에 매립되거나 수송선에 의해 운반되어 바다에 투기되어 환경오염을 유발시키는 등 문제점을 갖고 있었으나, 오니 슬러지(sludge)의 해양투기는In the meantime, the water treatment plant sludge has been subjected to concentration, dehydration and drying process as waste, and then it has been buried in most landfills or transported by transporting ships to the sea, causing environmental pollution. However, sludge
런던조약(1972년)에 의거 국제적으로 금지되고 있으며, 대부분 해양투기에 의존하고 있는 우리나라는 슬러지의 해양투기가 전면 금지되면서 그 효율적인 처리방안을 찾고 있으나 아직은 뾰쪽한 대안이 없는 실정에 있다.South Korea, which is banned internationally under the London Treaty (1972), has been largely dependent on marine dumping, and is seeking an effective treatment scheme because sludge is forbidden entirely from marine dumping. However, there is no alternative yet.
또한 대부분의 화력발전소에서 석탄이 연소 될 때 괴상 또는 입자 크기가 큰 회 성분이 보일러 하부로 떨어진 것을 바텀애쉬(bottom ash)라고 하는바, 바텀애쉬는 석탄재 발생량의 약 20~40% 정도를 차지하는 물질로서 국내 화력발전소에서 발생되는 석탄재의 총량이 약 연간 600 만톤 정도이므로 약 80만~240 만톤 정도가 산업폐기물로 발생되고 있다.Bottom ash is the bottom ash where massive or large sized fly ash falls to the bottom of the boiler when coal is burned in most thermal power plants. Bottom ash accounts for about 20 ~ 40% of coal ash As the total amount of coal ash generated from domestic thermal power plants is about 6 million tons per year, about 800,000 to 2.4 million tons are generated as industrial waste.
석탄재 발생량 중 약 60~80% 정도를 차지하는 플라이애쉬는 콘크리트용 혼화재나 시멘트 2차 제품의 원료 등으로 활발히 재활용되고 있어서 그 처리에 문제점이 없으나, 상대적으로 바텀애쉬는 아직까지는 활발히 재활용되지 못하고 있어서 사용처를 찾는 실정에 있다.Fly ash, which accounts for about 60 ~ 80% of coal ash production, is being recycled actively as an admixture for concrete or a raw material for cement secondary product. However, there is no problem in the treatment of fly ash, but the bottom ash has not been actively recycled yet, .
본원은 상기와 같은 산업용 부산물인 정수장 슬러지와 바텀애쉬를 유용한 자원으로 재활용하여 육상 또는 해상용으로 사용되는 블록을 만들 경우 슬러지 중의 수분과 바텀애쉬가 적정한 비율로 혼합되어 잠재수경성이나 포졸란 반응에 의하여 신속한 고화와 일정범위 강도를 확보하는 블록조성물로의 제공 가능성을 찾고자 하였다.In the present invention, water and sludge are mixed at a suitable ratio when the water treatment sludge and bottom ash are recycled as useful resources and used for land or marine use. And to provide a block composition capable of ensuring solidification and a certain range of strength.
산업용 부산물인 정수장 슬러지를 산업상 유용한 자원으로 재활용하기 위한 기술로 개시된 선행기술을 살펴보면, 공개특허 2012년 0061607호에는 투수성과 보수성을 확보하기 위한 포장재 조성물로 정수장 슬러지 15 ~ 25 wt%, 플라이에쉬 10 ~ 20 wt%, 주물사 10 ~ 20 wt%, 황토 10 ~ 20 wt%, 조골재 10 ~ 20 wt%, 모래 5In the prior art disclosed as a technology for recycling a water treatment plant sludge as a useful industrial resource as an industrial by-product, the patent application No. 0061607 discloses a packaging material composition for securing permeability and water retention, comprising 15 to 25 wt% of water treatment sludge, To 20 wt%, molding sand 10 to 20 wt%, loess 10 to 20 wt%, coarse aggregate 10 to 20 wt%, sand 5
~ 15 wt%, 무수석고 3 ~ 8 wt%, 생석회 3 ~ 8 wt%가 혼합되어 제공되는 포장재조성물이 개시되어 있으며, 공개특허 2004년 0022501호에는 정수장 슬러지를 이용한 토양개량제 제조방법으로 건조된 정수장 오니에 석회, 유효인산과 여러 가지 금속염, 붕소 등의 미량원소를 혼합, 분쇄하여 토양개량제를 제조하는 기술이 소개되어 있고, 공개특허 2004년 0035893호에는 정수장 슬러지를 이용하여 작물용 상토로 이용하고자 하는 기술사상으로 정수장 슬러지를 1차 열처리한 후, 쌀겨, 왕겨, 톱밥 등과 같은 유기물을 혼합한 다음, 2차 열처리하여 작물용 상토를 제조하는 기술이 소개되어 있다.To 15 wt% of anhydrous gypsum, 3 to 8 wt% of anhydrous gypsum, and 3 to 8 wt% of burnt lime are disclosed in Korean Patent Application Laid- A technique for producing soil remediation agent by mixing and pulverizing trace elements such as lime, lime, effective phosphoric acid, various metal salts and boron has been introduced, and Patent Document No. 0035893 discloses a method for using the water treatment plant sludge as a soil for crops Technology is introduced to heat treat sludge of a water treatment plant and mix organic materials such as rice bran, rice husks, sawdust and the like, and then subject to secondary heat treatment to produce soil for crops.
또한 산업용 부산물인 바텀애쉬를 이용하여 산업상 유용한 목적을 갖고 개시된 선행기술들을 살펴보면, 등록특허 제 1066194호에는 보수성 블록 제조방법으로 바텀애쉬 100중량부에 대하여 결합재 5 ∼ 30중량부를 혼합하되, 상기 결합재 100중량부에 대하여 식물성혼화제 1 ∼ 10중량부의 비율로 혼합한 바텀애시 혼합물을 블록으로 성형 후 양생 된 바텀애시 블록을 제공할 때 상기 결합재 100중량부에 대하여 강도증진재 1 ∼ 20중량부가 더 첨가되어서 바텀애쉬 블록제품을 얻는 기술이 제시되어 있고, 등록특허 제 0945979호에서는 논두렁 구축용 블록 제조방법으로, 흙 100중량부에 대하여 파우더 70∼80중량부, 모래 80∼95중량부, 골재 350∼450중량부, 안료 1.0∼2중량부, 유동화제(액상) 0.1∼0.2중량부, 중성화방지제(액상) 0.05∼0.5 중량부, 물 30∼40중량부로 이루어지고, 증기 양생되어 이루어지는 논두렁 구축용 블록에서, 상기 파우더는 슬래그 미분말 25∼34wt%, 플라이애시 또는 바텀애시 10∼19wt%, 보통포틀랜드 시멘트 또는 백색포틀랜드 시멘트 35∼44wt%, 팽창재 10∼19wt%, CSA 5∼14wt%, 메타카올린 5∼10wt%, 증점제 1∼5wt%를Also, according to prior arts disclosed with industrial purpose using bottom ash which is an industrial by-product, in Patent No. 1066194, 5 to 30 parts by weight of a binder are mixed with 100 parts by weight of bottom ash by a method of producing a water- 1 to 10 parts by weight of a vegetable admixture is added to 100 parts by weight of the binder to provide a cured bottom ash block after molding the bottom ash mixture into a block, 1 to 20 parts by weight of a strength improver is further added to 100 parts by weight of the binder In the process for producing a block for building a rice plant, a method for producing a block for building a rice plant is proposed in which 70 to 80 parts by weight of powder, 80 to 95 parts by weight of sand, (Liquid) 0.1 to 0.2 parts by weight, an anti-neutralizing agent (liquid) 0.05 to 0.5 parts by weight, water 30 to 40 parts by weight Wherein the powder comprises 25 to 34 wt% of slag fine powder, 10 to 19 wt% of fly ash or bottom ash, 35 to 44 wt% of ordinary Portland cement or white Portland cement, 10 to 19 wt% of expanding material, 5 to 14 wt% of CSA, 5 to 10 wt% of meta-kaolin, 1 to 5 wt% of a thickener
포함하여 이루어져서 논두렁 구축용 블록이 제공되는 기술사상이 개시되어 있다.And a block for building a ricefield is provided.
그러나 상기와 같이 종래에 개시된 기술에서는 산업용 부산물인 정수장 슬러지와 바텀애쉬를 함께 포함시켜 각각이 갖는 고유의 특성을 살려서 산업상 유용한 자원으로 재활용하기 위한 과제를 갖고 시작된 발명이 아니며, 또한 정수장 슬러지와 바텀애쉬가 동시에 투입되어 슬러지 중에 함유된 수분과 바텀애쉬가 중에 함유된 CaO가 잠재수경성이나 포졸란 반응을 유도하여 일정 범위의 강도를 확보하는 블록으로 제공하는 기술구성은 개시된바 없는 것으로 확인된다.However, in the conventional art as described above, the present invention is not an invention that has been started with the problem of including the purification plant sludge and the bottom ash, which are industrial byproducts, It is confirmed that the technical arrangement for providing as a block in which ash is simultaneously injected and water contained in the sludge and CaO contained in the bottom ash lead to potential hydraulic and pozzolanic reaction to secure a certain range of strength is not disclosed.
본원은 산업용 부산물인 정수장 슬러지와 화력발전소에서 부산물로 얻어지는 바텀애쉬를 동시에 적정비율로 혼합하여 잠재수경성이나 포졸란 반응에 의하여 일정범위의 강도를 확보하며 재활용도를 높이고, 상기 혼합원료에 먼저 마분을 가하여 마분의 셀룰로스 성분에 정수장 슬러지 중의 화학성분의 염 성분이 결합되어 단단한 불용성 염으로 변화시키는 숙성과정을 거친 후 황토와 일반 골재 또는 원적외선 방사 기능을 갖는 원료 또는 강도보강제를 추가하여 일정강도를 확보하는 블록 조성물을 제공하고자 하는 목적을 갖는다.In this paper, we propose a new method to increase the recyclability of the sludge by combining the sludge of industrial water treatment plant and the bottom ash obtained as a byproduct in a thermal power plant at a suitable ratio to secure a certain range of strength by potential hydraulic or pozzolanic reaction, A block which secures a certain strength by adding a raw material or strength reinforcing agent having loam, general aggregate or far-infrared radiation function after aging process in which the salt component of the chemical component in the water treatment plant sludge is changed into the hard insoluble salt, To provide a composition.
본원은 산업용 부산물인 정수장 슬러지와 바텀애쉬를 동시에 포함시켜 각각이 갖는 고유의 특성을 살려서 산업상 유용한 자원으로 재활용하기 위한 수단으로 정수장 슬러지와 바텀애쉬가 동시에 투입되어 슬러지 중에 함유된 수분과 바텀애쉬가 중에 함유된 CaO가 잠재수경성이나 포졸란 반응을 유도하여 일정 범위의 강도를 확보하여 벽돌이나 도로경계석 등으로 사용되는 블록을 얻을 수 있음을 확인하여 완성된 발명이다.In this study, water purifier sludge and bottom ash were simultaneously used as industrial byproducts, and they were recycled as useful resources in industry by taking advantage of their inherent characteristics. Water purifier sludge and bottom ash were simultaneously injected and moisture contained in sludge and bottom ash It is possible to obtain a block which is used as a brick or a road boundary stone by securing a certain range of strength by inducing latent hydraulic or pozzolanic reaction.
본원은 정수슬러지를 이용한 친환경 벽돌을 얻기 위한 수단으로서, 함수율을 15~25% 범위로 제공되는 정수장 슬러지에 화력발전소에서 부산물로 얻어지는 바텀애쉬를 혼합하되 정수장 슬러지와 바텀애쉬가 40±10 : 60±10 중량부 비율로 혼합하여 바텀애쉬에 함유된 CaO 성분이 슬러지 중의 수분(H2O)과 반응시켜 탄산칼슘(CaCO3) 함유 반응물을 얻는 제1단계; 상기 제1단계에서 얻은 탄산칼슘(CaCO3) 함유 반응물 70±10 중량부에 마분 30±10 중량부 범위로 혼합하고 2~6시간 범위로 숙성시키는 제2단계; 상기 제2단계를 거친 숙성반응물 50±10 중량부에 황토25±5 중량부와 일반골재나 모래를 25±5 중량부 범위로 혼합하고 프레스로 압착시켜 벽돌이나 경계석으로 이용되는 블록제품을 얻는 제3단계를 포함하여 이루어지는 블록 제조방법으로 적용될 수 있다.The present invention relates to a method for obtaining eco-friendly bricks using purified water sludge, comprising mixing bottom ash obtained as a by-product in a thermal power plant with water treatment sludge having a water content in the range of 15 to 25%, wherein water treatment sludge and bottom ash are 40 ± 10: (CaCO 3 ) contained in the bottom ash by reacting with water (H 2 O) in the sludge to obtain a calcium carbonate (CaCO 3 ) -containing reactant; Mixing the calcium carbonate (CaCO 3 ) -containing reactant obtained in the first step with 70 ± 10 parts by weight of the calcium carbonate (CaCO 3 ) in an amount of 30 ± 10 parts by weight and aging the mixture in the range of 2 to 6 hours; 25 ± 5 parts by weight of yellow loam and 25 ± 5 parts by weight of general aggregate or sand are mixed with 50 ± 10 parts by weight of the aged reactant after the second step and pressed to obtain a block product for use as a brick or barrier The present invention can be applied to a block manufacturing method comprising three steps.
본원은 상기의 제3단계에서 일반골재나 모래 이외에 맥반석, 펄라이트 소재 중에서 선택되는 원료가 10±5 중량부 비율로 추가되어 혼합된 후 프레스로 압착시키는 방법으로 적용되거나 또는 산화마그네슘과 염화마그네슘과 혼합하여 만들어지는 마그네슘 옥시클로라이드(magnesium oxychloride, MOC), 산화마그네슘과 황산마그네슘과 혼합하여 만들어지는 마그네슘 옥시설페이트(magnesium oxysulfate, MOS), 산화마그네슘과 제1인산암모늄용액과 혼합하여 만들어지는 마그네슘 포스페이트(magnesium phosphate, MAP) 중에서 선택되는 산화마그네슘계 고착제가 강도보강제로 추가되어 신속한 고화효과를 갖도록 적용될 수 있다.In the third step, in the third step, raw materials selected from quartz and pearlite are additionally added in a ratio of 10 ± 5 parts by weight in addition to ordinary aggregate or sand, and the mixture is applied by a press, or mixed with magnesium oxide and magnesium chloride Magnesium oxychloride (MOC) made by mixing magnesium oxide and magnesium sulfate, magnesium oxysulfate (MOS) made by mixing magnesium oxide and magnesium sulfate, magnesium oxide made by mixing magnesium oxide and ammonium phosphate solution (magnesium oxide) phosphate, MAP) is added as a strength reinforcing agent so as to have a rapid solidification effect.
본원은 정수슬러지와 바텀애쉬를 이용하여 제공되는 친환경 벽돌로써, 함수율을 15~25% 범위로 제공되는 정수장 슬러지에 화력발전소에서 부산물로 얻어지는 바텀애쉬를 혼합하되 정수장 슬러지와 바텀애쉬가 40±10 대 60±10 중량부 비율로 혼합하여 바텀애쉬에 함유된 CaO 성분이 슬러지 중의 수분(H2O)과 반응시켜 탄산칼슘(CaCO3) 함유 반응물을 얻는 제1단계와, 상기 제1단계에서 얻은 탄산칼슘(CaCO3) 함유 반응물 70±10 중량부에 마분 30±10 중량부 범위로 혼합하고 2~6시간 범위로 숙성시키는 제2단계와, 상기 제2단계를 거친 숙성반응물 50±10 중량부에 황토25±5 중량부와 일반골재, 모래, 맥반석, 펄라이트 소재 중에서 선택되는 원료가 25±5 중량부 비율로 혼합되고 산화마그네슘과 염화마그네슘과 혼합하여 만들어지는 마그네슘 옥시클로라이드(magnesium oxychloride, MOC), 산화마그네슘과 황산마그네슘과 혼합하여 만들어지는 마그네슘 옥시설페이트(magnesium oxysulfate, MOS), 산화마그네슘과 제1인산암모늄용액과 혼합하여 만들어지는 마그네슘 포스페이트(magnesium phosphate, MAP) 중에서 선택되는 산화마그네슘계 고착제가 강도보강제로 20±10 중량부 범위로 추가된 후 프레스로 압착시켜 제공되는 수단을 통하여 친환경 블록을 얻을 수 있음을 확인하여 완성된 발명이다.The present invention relates to an environmentally friendly brick which is provided by using purified water sludge and bottom ash, and mixing the bottom ash obtained as a byproduct from a thermal power plant into a water treatment plant sludge having a water content of 15 to 25% (CaCO 3 ) contained in the bottom ash is reacted with water (H 2 O) in the sludge to obtain a reaction product containing calcium carbonate (CaCO 3 ) A second step of mixing 70 ± 10 parts by weight of calcium (CaCO 3 ) -containing reactant in a range of 30 ± 10 parts by weight in the range of 10 ± 10 parts by weight, and aging the mixture in the range of 2 to 6 hours; 25 ± 5 parts by weight of loess and 25 ± 5 parts by weight of a raw material selected from ordinary aggregate, sand, elvan, and perlite, mixed with magnesium oxide and magnesium chloride (magnesium o magnesium oxide (MAP) made by mixing magnesium oxide and ammonium phosphate solution, magnesium oxide (MgO) mixed with magnesium oxide and magnesium sulfate, magnesium oxide (MAP) made by mixing magnesium oxide and ammonium phosphate solution, The magnesium-based fixing agent is added in the range of 20 ± 10 parts by weight as the strength reinforcing agent, and pressed with a press to obtain an eco-friendly block through the provided means.
본원에서 벽돌을 얻는 제조공정에 사용되는 정수장 슬러지는 수처리 과정 중의 여러 부유물의 침전효과를 얻기 위해서 여러 가지 화학약품이 침강제로 사용하는 과정을 거치므로 정수장에서 발생한 슬러지에는 폐기물관리법에 의한 엄격한 처리를 거친다고 하더라고 화합물의 염이 포함되어 있으므로 추후 벽돌 등의 자재로 재활용과정에서 잔여 화합물의 염이 용출되어 결합력을 떨어트릴 위험을 내포하고 있으므로 본원에서는 말 사육과정에서 배설물로 산출되는 마분을 사용하여 마분의 셀룰로스 성분에 화합물의 염이 결합되어 불용성의 염으로 변화시켜 사용하고자 하였다.The water sludge used in the manufacturing process of the brick here is subjected to a process of using various chemicals as sedimentation agent in order to obtain sedimentation effects of various suspended solids during the water treatment process. Therefore, the sludge generated in the water treatment plant is subjected to strict treatment by the waste management method Since the salt of the compound is contained in the salt of the compound, the salt of the residual compound is dissolved in the recycling process due to the material of the brick and the like, which implies a risk of deteriorating the binding force. Therefore, The salt of the compound is bound to the cellulose component to change into an insoluble salt.
마분은 일반적으로 말의 사육과정에서 배설물로 발생되는 것이나 마분을 양지에서 2~3일 건조시켜 수분이 빠지면 마분의 약 70~80 wt%가 셀룰로오스 성분으로 이루어져 있으므로, 이를 0.5~3.0 ㎜ 범위로 조밀하게 분쇄하여 본원의 벽돌 원료로 사용하는 경우 마분의 셀룰로오스가 높은 결합력을 유지하면서 동시에 정수장 슬러지 중에 미량 남아 있는 화합물의 염이 마분의 셀룰로오스와 결합되어 용출을 방지하는 것으로 예측된다.The parvum is generally caused by excretion in the rearing process of the horse, and when the parvum is dried in the sunshine for 2 ~ 3 days, when the moisture is lost, about 70 ~ 80 wt% of the parvum is composed of the cellulose component. It is predicted that the salt of the compound remaining in the water treatment plant sludge is combined with the cellulose of the parasite to prevent the elution.
본원은 부분적으로 정수장 슬러지를 재활용하는 기술과 부분적으로 화력발전소의 바텀애쉬를 재활용하는 기술과 부분적으로 폐기물인 마분을 재활용하는 기술들과 달리 본 발명은 폐기되는 정수 슬러지, 폐기되는 바텀애쉬, 폐기되는 마분 등의 특성을 살려 산업상 유용한 자원으로 재활용함으로서 생산 원가를 40%(최대 70%) 수준으로 줄일 수 있어 경제적인 면에서 큰 효과를 창출한다.In contrast to techniques for partially recycling water treatment plant sludge, techniques for partially recycling bottom ash from thermal power plants, and techniques for partially recycling waste ash, the present invention is directed to a method of recycling waste water sludge, It is possible to reduce the production cost to 40% (up to 70%) level by recycling as a useful resource in industry by utilizing the characteristics of martial arts and so on, thus creating a great economic effect.
본원은 폐기되는 정수 슬러지, 폐기되는 바텀애쉬, 폐기되는 마분 등의 특성을 살려 벽돌 제조를 실시한 결과 수축율이 줄어들었고 강도가 증진 됐으며 색상이 밝게 나타나고 특징이 있으며, 황토, 맥반석, 펄라이트 등의 원적외선 방사능을 갖는 재료를 사용하여 원적외선을 방사효과를 증대시킨 친환경 블록을 제공하는 효과를 갖는다.In this study, the brick production using the purified sludge disposal, the bottom ash being discarded, and the discarded mulch have been used to reduce the shrinkage ratio, to improve the strength, to show the bright color and to have the characteristics of far infrared rays such as yellow clay, The present invention provides an eco-friendly block in which the radiation effect of far-infrared rays is enhanced by using a material having the above-described structure.
도 1 : 정수장 슬러지와 바텀애쉬 및 마분을 활용하여 블록을 얻는 제조공정도.Fig. 1: Diagram of a manufacturing process for obtaining blocks using water treatment plant sludge, bottom ash and parchment.
본원의 기술사상을 구현하기 위한 발명의 실시내용을 실시예로 기재하기에 앞서, 본 출원의 명세서나 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 될 것이며, 본원의 보호범위는 본원발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 할 것이며, 본 명세서에 기재된 예시는 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본원의 기술사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 할 것이다.Before describing the embodiments of the invention for implementing the technical idea of the present application, the terms or words used in the specification or claims of the present application should not be construed as limited to ordinary or dictionary terms, The scope of protection of the present invention should be construed in accordance with the technical idea of the present invention and the examples described in this specification are only the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention , It is to be understood that various equivalents and modifications may be substituted for those at the time of the present application.
본원은 현재 마땅한 사용처를 찾지 못하여 골머리를 알고 있는 폐기되는 정수장 슬러지 및 폐기되는 바텀애쉬의 특성을 살려 친환경 벽돌을 얻고자 하는 기술사상으로 본원의 블록조성물을 얻기 위해 사용한 원료의 특성은 아래와 같이 제시된다.Herein, the characteristics of raw materials used to obtain the block composition of the present invention are as follows, in order to obtain eco-friendly bricks by taking advantage of the properties of waste water treatment plant sludge and waste bottom ash that can not find a proper use place, .
본원 발명자가 사용한 슬러지는 국내 (A) 정수장에서 발생되는 슬러지를 이용하였으며, 상기 슬러지의 분석결과는 표 1과 같았으며, 본원에서 사용한 바텀애쉬의 물리.화학적 특성은 아래의 표 2와 같이 분석되었다.The sludge used in the present invention was the sludge generated in the domestic (A) water treatment plant, and the analysis results of the sludge were as shown in Table 1. The physical and chemical properties of the bottom ash used in the present invention were analyzed as shown in Table 2 below .
(TiO2외)Etc
(Other than TiO 2 )
(㎠/g)Powder figure
(Cm < 2 > / g)
(㎏/㎥)density
(Kg / m3)
K 2 O
본원의 기술사상이 적용되어 제공되는 블록조성물이 장기간 일정강도를 확보하여 내구성을 확보하는지 그 가능성을 확인하기 위하여 하기 표 3의 조성으로 제시되는 실시예 이외에도 다수의 제조 실시예를 다양하게 적용하며 시행오차법에 따른 실험과정을 거치며 그 중 본원의 기술사상이 구현되는 최적으로 모델을 표 3에 제시하였다.In order to confirm the possibility that the block composition to which the technical idea of the present application is applied is securing the durability by securing the constant strength for a long time, various preparation examples are applied in addition to the examples shown in the composition of Table 3 below, Table 3 shows the optimal model in which the technical idea of the present invention is realized through the experimental procedure according to the error method.
표 3에 제시된 내용중 본원의 실시예로서 샘플 1 내지 샘플 3의 원료조성은 본원의 기술사상에 부합하는 조성을 나타낸 것이고, 비교 샘플 1에서는 본원의 메인원료인 정수장슬러지와 바텀애쉬를 6 : 4의 비율로 사용하고 강도보강제를 사용하지 않은 경우와, 비교 샘플 2에서는 정수장슬러지와 바텀애쉬를 2 : 8의 비율로 사용하고 강도보강제를 사용하지 않은 경우의 적용예를 본원의 기술사상 조성물과 비교하고자 하였다.In the comparative sample 1, the water treatment sludge and the bottom ash, which are the main raw materials of the present invention, were mixed in a ratio of 6: 4 And the comparison sample 2 was used in the ratio of 2: 8 of the water treatment plant sludge and the bottom ash, and the application example in which the strength reinforcing agent was not used was compared with the technical composition of the present invention Respectively.
표 3에 제시된 조성은 일 적용예로 샘플 1의 경우는 혼합믹서기 1에 표 1의 분석결과를 갖는 정수장슬러지 4.0 kg에 바텀애쉬 6.0 kg를 먼저 넣고 혼합되는 비빔공정을 통하여 바텀애쉬에 함유된 CaO 성분과 슬러지 중의 수분(H2O)과 반응시켜 탄산칼슘(CaCO3) 함유 반응물을 유도하기 위한 혼합 및 교반공정을 1시간 동안 수행하고, 상기 제1단계에서 얻은 탄산칼슘(CaCO3) 함유 반응물 전체 양에 0.5~3.0 ㎜ 범위 크기로 분쇄되어 제공되는 마분 4.3 kg 을 넣고 혼합하고 간헐적으로 교반하며 5시간 정도로 숙성공정을 진행시켰으며, 숙성반응물에 황토 7.2 kg과 모래 7.2 kg과 산화마그네슘과 염화마그네슘이 혼합하여 만들어지는 마그네슘 옥시클로라이드(magnesium oxychloride, MOC) 강도보강제를 1.3 kg을 주입하여 주는 구성으로 블록조성물을 이루고 물을 첨가하여 혼합 교반한 후, 이를 성형틀에 투입하고 증기양생을 실시한 다음 탈형하여 시험체로 샘플 1 제품을 얻었으며, 샘플 2제품은 상기 샘플 1과 동일한 방법으로 적용하되 표 3의 조성표에 따른 서로 다른 양으로 계량하고 강도보강제로 MOS 1.6 kg을 주입하여 샘플 2 제품을 얻었으며, 샘플 3 제품은 상기 샘플 1과 동일한 방법으로 적용하되 표 3의 조성표에 따른 서로 다른 양으로 계량하고 강도보강제로 마그네슘 포스페이트(magnesium phosphate, MAP) 1.1 kg을 주입하여 샘플 3제품을 각각 얻고 동일한 실시형태로 비교적용예 1, 2 제품을 만들고 각각의 샘플제품에 대하여 휨강도와 압축강도에 대한 실험을 실시하고자 하였다.The composition shown in Table 3 is one application example. In case of Sample 1, 6.0 kg of bottom ash is introduced into 4.0 kg of water purification plant sludge having the analysis result of Table 1 in Mixing Mixer 1, and the mixture of CaO by component and sludge water (h 2 O) and the reaction of calcium carbonate (CaCO 3) contained performed for one hour the mixture and stirring process for inducing the reaction, and the calcium carbonate obtained in the above step 1 (CaCO 3) containing reactant 4.3 kg of crushed mackerel was added to the whole amount and the mixture was agitated for 5 hours with intermittent stirring. 7.2 kg of loess and 7.2 kg of sand, magnesium chloride and chlorine 1.3 kg of magnesium oxychloride (MOC) strength reinforcing agent, which is made by mixing magnesium, is injected into a block composition, The sample 2 was applied in the same manner as in the sample 1, and was weighed in a different amount according to the composition table in Table 3 1.6 kg of MOS as an intensifier was injected to obtain a sample 2 product. The sample 3 product was applied in the same manner as in the above-mentioned sample 1, and weighed in different amounts according to the composition table of Table 3, and magnesium phosphate, MAP) were injected to obtain samples 3, respectively. The comparative examples 1 and 2 were prepared in the same manner as described above, and the bending strength and compressive strength of each sample were measured.
본원에서 사용되는 강도보강제는 예를 들어 마그네슘 올시클로라이드(MOC)는 경소 산화마그네슘(MgO, light, 삼전순약)과 염화마그네슘 6수화물(MgCl2·6H2O, 삼전순약)을 1:1의 중량비로 혼합하여 마그네슘 올시클로라이드(magnesium oxychloride, MOC) 고착제를 제조하여 사용하였고, 마그네슘 옥시설페이트(MOS)는For example, magnesium stearate (MOC) used in the present invention is prepared by mixing magnesium oxide (MgO, light, quartz puree) and magnesium chloride hexahydrate (MgCl 2 .6H 2 O, Magnesium oxychloride (MOC) fixing agent was prepared and used, and magnesium oxysulfate (MOS)
경소 산화마그네슘(MgO, light, 삼전순약)와 황산마그네슘 7수화물(MgSO4·7H2O, 삼전순약)을 1:1의 중량비로 혼합하여 마그네슘 옥시설페이트(magnesium oxysulfate, MOS) 결합제를 제조하여 사용하였으며, 마그네슘 포스페이트(MAP)는 Magnesium oxysulfate (MOS) binders were prepared by mixing magnesium oxide (MgO, light) and magnesium sulfate heptahydrate (MgSO 4 · 7H 2 O) in a weight ratio of 1: 1 , And magnesium phosphate (MAP)
경소 산화마그네슘(MgO, light, 삼전순약)와 제1인산나트륨(NaH2PO4)을 1:1의 중량비로 혼합하여 마그네슘 포스페이트(magnesium phosphate, MAP)를 제조하여 사용하였으며, 본원에서 제시되는 샘플제품의 휨강도는 KS F 2407, 압축강도는 KS F 2403, 압축강도(동결융해시험 후)는 KS F 2456/KS F 2403 규격에 의하여 실시하였으며, 증기 양생은 전치(4시간/20℃), 승온(2시간/60℃), 유지(4시간/60℃), 감온(2시간/20℃)의 단계를 거쳐 실시하였으며 그 결과는 표 3에 제시된 바와 같다.Magnesium phosphate (MAP) was prepared by mixing light magnesium oxide (MgO, light) and sodium phosphate monobasic (NaH 2 PO 4 ) in a weight ratio of 1: 1, The bending strength of the product was measured by KS F 2407, the compressive strength was measured by KS F 2403, the compressive strength after freezing and thawing test was measured by KS F 2456 / KS F 2403, (2 hours / 60 ° C), maintenance (4 hours / 60 ° C) and warming (2 hours / 20 ° C). The results are shown in Table 3.
강도보강제
Strength reinforcement
상기의 결과에서 압축강도(1)은 재령 7일 경과 후에 측정된 결과이고, 압축강도(2)는 재령 28 경과 후에 측정된 결과이며, 압축강도(3)은 동결융해 후 재령 28일 경과 후에 측정된 결과로서, 한국산업규격 KS F 2456/KS F 4004 규정에 의해 C종 벽돌 2급(압축강도 8 N/㎟ 이상) 이상을 확보하는 것으로 확인되었다.In the above results, the compressive strength (1) was measured after elapsing 7 days, the compressive strength (2) was measured after elapsing 28 and the compressive strength (3) was measured after 28 days As a result, it was confirmed that the grade of Class C brick (compression strength: 8 N / ㎟ or more) was secured according to Korean Industrial Standard KS F 2456 / KS F 4004.
본원의 기술사상이 현장에 적용되는 방법으로는 도 1에 제시되는 도면과 같이 1차 혼합기와 2차 혼합기로 구분되는 구조를 이루고, 1차 혼합기에 먼저 함수율이 15~25% 범위로 제공되는 정수장 슬러지에 바텀애쉬를 먼저 넣고 혼합되는 비빔공정을 통하여 바텀애쉬에 함유된 CaO 성분과 슬러지 중의 수분(H2O)이 반응하며 탄산칼슘(CaCO3) 함유 반응물을 유도하기 위한 혼합 및 교반공정을 1시간 동안 수행하고, 다음에 0.5~3.0 ㎜ 범위 크기로 분쇄되어 제공되는 마분을 넣고 혼합하고 간헐적으로 교반하며 5시간 정도로 숙성공정을 진행시키는 공정을 수행하고, 2차 혼합기에는 황토와 모래 또는 19㎜의 체를 통과하는 잔 골재와 원적외선 방사효능을 갖는 맥반석 또는 펄라이트 분말을 넣고 혼합할 MOC, MOS, MAP 중에서 선택되는 산화마그네슘계 강도보강제를 넣고 혼합한 후 최종 프레스로 압착공정 전에 제1혼합기 내용물과 혼합시켜 프레스로 압착공정을 수행하여 벽돌을 얻는 방법으로 적용될 수 있다.As a method of applying the technical idea of the present invention to the field, there is a method in which a primary mixer and a secondary mixer are structured as shown in FIG. 1, and a primary mixer is provided with a water treatment plant The mixing and stirring process to induce the calcium carbonate (CaCO 3 ) -containing reactant reacts with the CaO component contained in the bottom ash and the water (H 2 O) in the sludge reacts with the bottom ash in the sludge first And then milled to a size in the range of 0.5 to 3.0 mm. The resulting marmalite was added, mixed, intermittently stirred, and aged for about 5 hours. In the secondary mixer, loess and sand or 19 mm And a magnesium oxide-based strength reinforcing agent selected from MOC, MOS, and MAP to be mixed with a quartz or perlite powder having far-infrared radiation efficiency Were mixed were mixed and a first mixer contents before the compression process to the final press can be applied in a way to get the brick by performing the compression process by the press.
상기 표 3에 제시되는 샘플 1 내지 샘플 3의 원료배합 조성은 본원의 기술사상이 적용되는 베스트 모드를 제시한 것이나, 이는 본원 발명자가 목적하는 최적의 결과를 얻기까지 시행오차법에 따른 수 많은 실험결과로부터 얻은 결과로서 본원의 기술사상이 이에 국한되지 않음은 당연하며, 본원의 기술사상은 청구범위에 의해서 보호되어야 할 것이다.The composition of the raw materials of Sample 1 to Sample 3 shown in Table 3 shows the best mode to which the technical idea of the present application is applied, As a result obtained from the result, it is obvious that the technical idea of the present invention is not limited thereto, and the technical idea of the present application should be protected by the claims.
본원의 도 1은 정수장 슬러지와 바텀애쉬 및 마분을 활용하여 블록을 얻기 위한 제조공정도를 나타낸 것으로 별도의 부호 설명이 필요 없다 할 것이다.FIG. 1 is a view illustrating a manufacturing process for obtaining a block using a water treatment plant sludge, bottom ash, and mulch;
Claims (4)
함수율을 15~25% 범위로 제공되는 정수장 슬러지에 화력발전소에서 부산물로 얻어지는 바텀애쉬를 혼합하되 정수장 슬러지와 바텀애쉬가 40±10 : 60±10 중량부 비율로 혼합하여 바텀애쉬에 함유된 CaO 성분이 슬러지 중의 수분(H2O)과 반응시켜 탄산칼슘(CaCO3) 함유 반응물을 얻는 제1단계;
상기 제1단계에서 얻은 탄산칼슘(CaCO3) 함유 반응물 70±10 중량부에 마분 30±10 중량부 범위로 혼합하고 2~6시간 범위로 숙성시키는 제2단계;
상기 제2단계를 거친 숙성반응물 50±10 중량부에 황토25±5 중량부와 일반골재나 모래를 25±5 중량부 범위로 혼합하고 프레스로 압착시켜 벽돌이나 경계석으로 이용되는 블록제품을 얻는 제3단계;
를 포함하여 이루어지는 것을 특징으로 하는 정수슬러지를 이용한 블록의 제조방법.A method of manufacturing an environmentally friendly brick using purified water sludge,
Bottom ash obtained as a by-product in a thermal power plant is mixed with water treatment plant sludge having a water content in the range of 15 to 25%, but water treatment sludge and bottom ash are mixed at a ratio of 40 ± 10: 60 ± 10 parts by weight, to the sludge water (H 2 O) and the reaction of the first step of obtaining a reaction product containing calcium carbonate (CaCO 3);
Mixing the calcium carbonate (CaCO 3 ) -containing reactant obtained in the first step with 70 ± 10 parts by weight of the calcium carbonate (CaCO 3 ) in an amount of 30 ± 10 parts by weight and aging the mixture in the range of 2 to 6 hours;
25 to 5 parts by weight of loess and 50 to 5 parts by weight of general aggregate or sand are mixed with 50 to 10 parts by weight of the aged reaction product obtained through the second step and pressed to obtain a block product for use as a brick or barrier Step 3;
And removing the sludge from the sludge tank.
상기의 제3단계에서 일반골재나 모래 이외에 맥반석, 펄라이트 소재 중에서 선택되는 원료가 10±5 중량부 비율로 추가되어 혼합된 후 프레스로 압착시키는 방법으로 적용되는 것을 특징으로 하는 정수슬러지를 이용한 블록의 제조방법.The method according to claim 1,
In the third step, the raw material selected from ordinary aggregate or sand other than quartz and pearlite is added in a ratio of 10 ± 5 parts by weight and mixed, followed by compression with a press. Gt;
상기의 제3단계에서 일반골재나 모래 이외에 산화마그네슘과 염화마그네슘과 혼합하여 만들어지는 마그네슘 옥시클로라이드(magnesium oxychloride, MOC), 산화마그네슘과 황산마그네슘과 혼합하여 만들어지는 마그네슘 옥시설페이트(magnesium oxysulfate, MOS), 산화마그네슘과 제1인산암모늄용액과 혼합하여 만들어지는 마그네슘 포스페이트(magnesium phosphate, MAP) 중에서 선택되는 산화마그네슘계 고착제가 강도보강제로 20±10 중량부 비율로 추가되어 혼합된 후 프레스로 압착시키는 방법으로 적용되는 것을 특징으로 하는 정수슬러지를 이용한 블록의 제조방법.The method according to claim 1,
Magnesium oxychloride (MOC) made by mixing magnesium oxide and magnesium chloride in addition to ordinary aggregate or sand in the third step, magnesium oxysulfate (MOS) mixed with magnesium oxide and magnesium sulfate, A magnesium oxide-based fixing agent selected from magnesium phosphate (MAP) mixed with magnesium oxide and ammonium phosphate solution is added in an amount of 20 ± 10 parts by weight as an intensifier, followed by pressing with a press Wherein the method is applied to the block using the purified sludge.
함수율을 15~25% 범위로 제공되는 정수장 슬러지에 화력발전소에서 부산물로 얻어지는 바텀애쉬를 혼합하되 정수장 슬러지와 바텀애쉬가 40±10 대 60±10 중량부 비율로 혼합하여 바텀애쉬에 함유된 CaO 성분이 슬러지 중의 수분(H2O)과 반응시켜 탄산칼슘(CaCO3) 함유 반응물을 얻는 제1단계와
상기 제1단계에서 얻은 탄산칼슘(CaCO3) 함유 반응물 70±10 중량부에 마분 30±10 중량부 범위로 혼합하고 2~6시간 범위로 숙성시키는 제2단계;
상기 제2단계를 거친 숙성반응물 50±10 중량부에 황토25±5 중량부와 일반골재, 모래, 맥반석, 펄라이트 소재 중에서 선택되는 원료가 25±5 중량부 비율로 혼합된 후 프레스로 압착시켜 제공되는 것을 특징으로 하는 친환경 블록.In an eco-friendly block provided using purified water sludge and bottom ash,
Bottom ash obtained as a by-product in a thermal power plant is mixed with water treatment plant sludge having a water content in the range of 15 to 25%, but water treatment sludge and bottom ash are mixed in a ratio of 40 ± 10 to 60 ± 10 parts by weight, A first step of reacting with water (H 2 O) in the sludge to obtain a calcium carbonate (CaCO 3 ) -containing reactant and
Mixing the calcium carbonate (CaCO 3 ) -containing reactant obtained in the first step with 70 ± 10 parts by weight of the calcium carbonate (CaCO 3 ) in an amount of 30 ± 10 parts by weight and aging the mixture in the range of 2 to 6 hours;
25 ± 5 parts by weight of loess and 50-5% by weight of raw materials selected from ordinary aggregate, sand, elvan, and perlite are mixed with 50 ± 10 parts by weight of the aged reactant after the second step, Wherein the first block is an eco-friendly block.
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| WO2019098445A1 (en) * | 2017-11-14 | 2019-05-23 | 김연희 | Sculpture composition using basalt sludge, and method for manufacturing sculpture by using composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019098445A1 (en) * | 2017-11-14 | 2019-05-23 | 김연희 | Sculpture composition using basalt sludge, and method for manufacturing sculpture by using composition |
| CN110423059A (en) * | 2019-08-30 | 2019-11-08 | 郑州恒博环境科技股份有限公司 | A kind of thermal insulation material containing desulfurization sludge and its preparation |
| CN110357543A (en) * | 2019-08-31 | 2019-10-22 | 郑州恒博环境科技股份有限公司 | A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge |
| CN110357542A (en) * | 2019-08-31 | 2019-10-22 | 郑州恒博环境科技股份有限公司 | A kind of fire-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge |
| KR20240006787A (en) | 2022-07-07 | 2024-01-16 | 강춘홍 | Eco-friendly solidifying agent composition |
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