KR20210154402A - Continuous porous architectural ceramic panel for recycling purified water sludge and its manufacturing method - Google Patents
Continuous porous architectural ceramic panel for recycling purified water sludge and its manufacturing method Download PDFInfo
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
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- C04B33/00—Clay-wares
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
Description
본 발명은 건축용 세라믹 패널 및 그 제조방법에 관한 것으로서, 보다 구체적으로 정수 슬러지, 슬래그, 폐유리 등의 재활용 원료를 이용하여 소성 발포시켜 연속 다공질의 대형 세라믹 패널을 제조할 수 있으며, 발포시의 잉여 가스 비석 구조에 흡착시킴으로써 형상을 안정화시키고 후 절단하여 치수 정밀도를 안정시킬 수 있는 정수 슬러지를 재활용한 연속 다공질의 건축용 세라믹 패널 및 그 제조방법에 관한 것이다.The present invention relates to a ceramic panel for construction and a method for manufacturing the same, and more particularly, it is possible to manufacture a continuous porous large-sized ceramic panel by plastic foaming using recycled raw materials such as purified sludge, slag, and waste glass, and the surplus at the time of foaming The present invention relates to a continuous porous ceramic panel for construction using recycled purified sludge capable of stabilizing the shape by adsorbing it to the gas zeolite structure and then cutting it to stabilize the dimensional accuracy, and a method for manufacturing the same.
일본 공개특허 2003-73181호 공보에는 펄프 슬러지를 기공 형성제로서 이용하는 과립형, 펠렛형, 구형 등의 다공질체의 제조 방법이 개시되어있다. 또한 대한민국 등록특허 10-1533657호 왕겨를 이용한 투수 및 보수 성능을 갖는 세라믹 패널 및 그 제조 방법이 개시되어 있다.Japanese Patent Application Laid-Open No. 2003-73181 discloses a method for producing a granular, pellet, spherical, and the like porous body using pulp sludge as a pore former. In addition, Korean Patent Registration No. 10-1533657 discloses a ceramic panel having permeability and repair performance using rice husk and a method of manufacturing the same.
또한 일본 공개특허 2009-274895호에서는 연속 다공질의 대형 세라믹 패널의 제조 방법이 개시되어 있지만, 굴곡 강도가 보수성 포장용 인터 로킹 블록 품질 규격에 맞지 않는 문제가 있다.In addition, Japanese Patent Application Laid-Open No. 2009-274895 discloses a method for manufacturing a continuous porous large-sized ceramic panel, but there is a problem in that the flexural strength does not meet the quality standards of interlocking blocks for water-retaining pavement.
한편, 상수 제조시의 정수 처리 공정으로 취수 중의 미립자를 응집제를 사용하여 응집 침전시켜 제거하는 방법이 채용되고 있다. 이 정수 처리에 의해 응집 침전한 대량의 슬러지는 폐기물로 처리하지 않을 수 없다. 따라서 정수 슬러지 폐기물의 처리가 시도되고 있지만, 이 경우 각각의 제품 분야마다 요구되는 제품의 형태 안정성 및 치수 안정성의 기준이 엄격하다.On the other hand, a method of removing fine particles in water intake by coagulation and precipitation using a coagulant is employed as a water treatment process for water production. A large amount of sludge coagulated and precipitated by this water purification treatment cannot but be treated as waste. Therefore, treatment of purified sludge waste is being attempted, but in this case, the standards for shape stability and dimensional stability of products required for each product field are strict.
따라서 정수 슬러지 폐기물의 재활용이 시도되고 있지만, 정수 슬러지의 재활용은 낮은 상황이다.Therefore, although recycling of purified sludge waste has been attempted, the recycling of purified sludge is low.
또한 국내에서는 폐유리분(粉)은 이물질이 다량 함유되어 있기 때문에 많은 양이 재활용되지 못하고 있는 실정이다.In addition, in Korea, a large amount of waste glass powder is not recycled because it contains a large amount of foreign substances.
본 발명은 상기한 바와 같은 종래 기술의 문제점을 해결하기 위한 것으로서,본 발명의 목적은 경량성을 제공하고 정수 슬러지와 슬래그 등의 재활용 자재를 이용하여 소성 발포시켜 건축용 세라믹 패널을 제조할 수 있으며, 발포시의 잉여 가스 비석 구조에 흡착시킴으로써 형상을 안정화시키고 후 절단하여 치수 정밀도를 안정시킬 수 있다.The present invention is to solve the problems of the prior art as described above, and an object of the present invention is to provide lightness and plastic foaming using recycled materials such as purified sludge and slag to manufacture a ceramic panel for construction, By adsorbing the excess gas during foaming to the zeolite structure, the shape can be stabilized and dimensional accuracy can be stabilized after cutting.
본 발명은 수돗물 정수 과정에서 발생한 정수 슬래그를 이용 연속 기공을 갖은 폭 1,000㎜, 길이 2,000㎜, 두께 50㎜까지 생산 가능한 대형 세라믹 패널로서, 보수성 포장용 인터로킹 블록 품질 규격에 따라 측정한 굴곡 강도가 3.0N/㎟ 이상 투수 계수가 0.01cm/sec 이상, 보수량이 0.15g/㎤ 이상, 흡수성이 70% 이상인 것을 특징으로 하고 정수 슬래그를 이용시 점토 원재료 수급에 있어 원자재 비용 절감과 산업폐기물에 속하는 정수 슬래그를 이용함으로 폐기물의 리사이클을 통한 환경 친화 재료로 탈바꿈할 수 있다.The present invention is a large-scale ceramic panel that can be produced up to 1,000 mm wide, 2,000 mm long, and 50 mm thick with continuous pores using purified slag generated during the tap water purification process. It is characterized in that it has a permeability coefficient of 0.01 cm/sec or more, a water retention amount of 0.15 g/cm 3 or more, and an absorbency of 70% or more. It can be transformed into environmentally friendly materials through recycling of wastes.
본 발명은 정수 슬러지를 원료로 첨가하여 소성함으로써 정수 슬러지에 포함 된 실리카, 알루미늄 성분이 제올라이트 구조로 변화하여 소성 발포시 발생하는 가스를 흡착하여 발포 제어 기능이 있고, 제품의 안정성을 도모할 수 있는 세라믹 패널 제조방법을 제공하는 것이다.According to the present invention, by adding purified sludge as a raw material and calcining, the silica and aluminum components contained in the purified sludge are changed to a zeolite structure, and the gas generated during calcination is adsorbed to have a foaming control function, which can promote product stability. To provide a method for manufacturing a ceramic panel.
본 발명의 해결하고자 하는 과제는 이상에서 언급된 것들에 한정되지 않으며, 언급되지 아니한 다른 해결과제들은 아래의 기재로부터 당업자에게 명확하게 이해되어 질 수 있을 것이다.The problems to be solved by the present invention are not limited to those mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.
상기 목적을 달성하기 위한 본 발명에 따른 세라믹 패널 제조방법은 슬래그 100중량부와, 점토 광물 50~150중량부와, 정수 슬러지 40~80 중량부와, 발포 규석 30~50중량부와, 제올라이트 30~50중량부와, 규조토 30~50중량부와, 벤토나이트 10~20중량부와, 폐유리 50~80중량부를 포함하는 세라믹원료 조성물을 마련하는 단계와; 상기 세라믹원료 조성물 100중량부를 기준으로 물 5~20중량부을 포함하는 성형용 조성물을 마련하는 단계와; 상기 성형용 조성물을 반죽한 다음 성형하고, 건조 후 소성하는 단계;를 포함하는 것을 특징으로 한다.The method for manufacturing a ceramic panel according to the present invention for achieving the above object includes 100 parts by weight of slag, 50 to 150 parts by weight of clay minerals, 40 to 80 parts by weight of purified sludge, 30 to 50 parts by weight of silica foam, and 30 parts by weight of zeolite. Preparing a ceramic raw material composition comprising ~50 parts by weight, 30-50 parts by weight of diatomaceous earth, 10-20 parts by weight of bentonite, and 50-80 parts by weight of waste glass; preparing a molding composition comprising 5 to 20 parts by weight of water based on 100 parts by weight of the ceramic raw material composition; It characterized in that it comprises; kneading the composition for molding, then molding, drying and then firing.
또한, 본 발명에 따른 세라믹 패널 제조방법에 있어서, 점토 광물은 카올리나이트와, 몬모릴로나이트와, 세리사이트와, 일라이트로 이루어지는 군 중에서 선택되는 적어도 1종이며, 상기 발포 규석은 진주암을 분쇄한 분말을 870~920℃의 온도로 급속 가열하여 발포 팽창시켜 얻어지는 것을 특징으로 한다.In addition, in the method for manufacturing a ceramic panel according to the present invention, the clay mineral is at least one selected from the group consisting of kaolinite, montmorillonite, sericite, and illite, and the silica foam is a powder obtained by pulverizing perlite. It is characterized in that it is obtained by rapid heating to a temperature of 920 ° C. and foaming expansion.
또한, 본 발명에 따른 세라믹 패널 제조방법에 있어서, 성형용 조성물은 상기 세라믹원료 조성물 100중량부를 기준으로 물 5~20중량부와, 아타풀자이트 1~10중량부와, 실리카흄 1~5중량부를 혼합한 것이며, 상기 슬래그는 쓰레기 용융 슬래그, 하수 슬러지 용융 슬래그, 금속 제련시 생성되는 유리질 슬래그 무정형 유기물이 봉인 된 석탄재로 이루어지는 군으로 선택된 적어도 1종이며, 상기 정수 슬러지는 수분 함량이 5% 이하로 건조된 분말인 것을 특징으로 한다.In addition, in the method for manufacturing a ceramic panel according to the present invention, the molding composition comprises 5 to 20 parts by weight of water, 1 to 10 parts by weight of attapulgite, and 1 to 5 parts by weight of silica fume based on 100 parts by weight of the ceramic raw material composition. mixed, and the slag is at least one selected from the group consisting of garbage molten slag, sewage sludge molten slag, glassy slag generated during metal smelting, and coal ash in which amorphous organic matter is sealed, and the purified sludge has a water content of 5% or less It is characterized in that it is a dried powder.
또한, 본 발명에 따른 건축용 세라믹 패널 제조방법은, 점토 광물을 물과 반죽하여 성형한 패널 성형체를 마련하는 단계와; 슬래그 100중량부와, 점토 광물 50~150중량부와, 정수 슬러지 40~80 중량부와, 발포 규석 30~50중량부와, 제올라이트 30~50중량부와, 규조토 30~50중량부와, 벤토나이트 10~20중량부와, 폐유리 50~80중량부를 포함하는 세라믹원료 조성물을 마련한 다음, 상기 원료 조성물 100중량부를 기준으로 물 5~20중량부와, 아타풀자이트 1~10중량부와, 실리카흄 1~5중량부를 혼합한 표면 처리용 조성물을 마련하는 단계와; 상기 패널 성형체의 일면에 상기 표면 처리용 조성물을 부착하는 단계와; 상기 표면 처리용 조성물이 부착된 패널 성형체를 소성하는 단계;를 포함하는 것을 특징으로 한다.In addition, the method for manufacturing a ceramic panel for construction according to the present invention includes the steps of: preparing a panel molded body formed by kneading a clay mineral with water; 100 parts by weight of slag, 50 to 150 parts by weight of clay minerals, 40 to 80 parts by weight of purified sludge, 30 to 50 parts by weight of expanded silica, 30 to 50 parts by weight of zeolite, 30 to 50 parts by weight of diatomaceous earth, and bentonite After preparing a ceramic raw material composition comprising 10 to 20 parts by weight and 50 to 80 parts by weight of waste glass, 5 to 20 parts by weight of water, 1 to 10 parts by weight of attapulgite, and silica fume based on 100 parts by weight of the raw material composition preparing a composition for surface treatment in which 1 to 5 parts by weight is mixed; attaching the composition for surface treatment to one surface of the panel molded body; and firing the panel molded body to which the composition for surface treatment is attached.
본 발명에 따른 건축용 세라믹 패널 제조방법에 의하면, 경량성을 제공하고 정수 슬러지와 슬래그 등의 재활용 자재를 이용하여 소성 발포시켜 건축용 세라믹 패널을 제조할 수 있으며, 발포시의 잉여 가스 비석 구조에 흡착시킴으로써 형상을 안정화시키고 후 절단하여 치수 정밀도를 안정시킬 수 있는 효과가 있다.According to the method for manufacturing a ceramic panel for construction according to the present invention, it is possible to manufacture a ceramic panel for construction by providing lightness and plastic foaming using recycled materials such as purified sludge and slag, and by adsorbing excess gas during foaming to the zeolite structure. It has the effect of stabilizing the shape and then cutting it to stabilize the dimensional accuracy.
또한, 본 발명에 의하면, 연속 기공을 갖은 폭 1,000㎜, 길이 2,000㎜, 두께 50㎜까지 생산 가능한 대형 세라믹 패널로서, 보수성 포장용 인터로킹 블록 품질 규격에 따라 측정한 굴곡 강도가 3.0N/㎜2 이상 투수 계수가 0.01cm/sec 이상, 보수량이 0.15g/㎤ 이상, 흡수성이 70% 이상인 것을 특징으로 하고 정수 슬래그를 이용시 점토 원재료 수급에 있어 원자재 비용 절감과 산업폐기물에 속하는 정수 슬래그를 이용함으로 폐기물의 리사이클을 통한 환경 친화 재료로 탈바꿈할 수 있으며, 강도도 크게 향상시킬 수 있는 효과가 있다.In addition, according to the present invention, it is a large-sized ceramic panel that can be produced up to a width of 1,000 mm, a length of 2,000 mm, and a thickness of 50 mm with continuous pores, and has a flexural strength of 3.0N/mm2 or more, measured according to the quality standards of interlocking blocks for water-retaining pavement. It is characterized by a water permeability coefficient of 0.01 cm/sec or more, a water retention amount of 0.15 g/cm3 or more, and a water absorption of 70% or more. It can be transformed into an environmentally friendly material through recycling, and has the effect of greatly improving strength.
본 발명의 효과는 이상에서 언급된 것들에 한정되지 않으며, 언급되지 아니한 다른 효과들은 아래의 기재로부터 당업자에게 명확하게 이해되어 질 수 있을 것이다.Effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.
도 1은 본 발명에 따른 세라믹 패널 제조방법의 각 단계를 나타내는 블럭도이다.1 is a block diagram showing each step of a method for manufacturing a ceramic panel according to the present invention.
이하 본 발명의 바람직한 실시예에 대하여 구체적으로 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail.
본 발명을 설명함에 있어서, 관련된 공지기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명은 생략한다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 판례 등에 따라 달라질 수 있다. 그러므로 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.In describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary depending on the intention or precedent of the user or operator. Therefore, the definition should be made based on the content throughout this specification.
본 발명은 정수 슬러지와 슬래그 등 재활용 자원을 활용하여 투수성과 보수성 및 굴곡 강도 등이 우수한 세라믹 패널 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a ceramic panel having excellent water permeability, water retention, and flexural strength by utilizing recycled resources such as purified sludge and slag.
본 발명에 따른 세라믹 패널 제조방법은 도 1에 나타난 바와 같이 슬래그 100중량부와, 점토 광물 50~150중량부와, 정수 슬러지 40~80 중량부와, 발포 규석 30~50중량부와, 제올라이트 30~50중량부와, 규조토 30~50중량부와, 벤토나이트 10~20중량부를 포함하는 세라믹원료 조성물을 마련하는 S1단계와, 상기 세라믹원료 조성물 100중량부를 기준으로 물 5~20중량부와, 아타풀자이트 1~10중량부와, 실리카흄 1~5중량부를 혼합한 성형용 조성물을 마련하는 S2단계와, 상기 성형용 조성물을 반죽한 다음 성형하고, 건조 후 소성하는 S3단계를 포함하여 이루어질 수 있다.As shown in FIG. 1, the method for manufacturing a ceramic panel according to the present invention includes 100 parts by weight of slag, 50 to 150 parts by weight of clay minerals, 40 to 80 parts by weight of purified sludge, 30 to 50 parts by weight of silica foam, and 30 parts by weight of zeolite. Step S1 of preparing a ceramic raw material composition comprising ~50 parts by weight, 30-50 parts by weight of diatomaceous earth, and 10-20 parts by weight of bentonite, 5-20 parts by weight of water based on 100 parts by weight of the ceramic raw material composition, and 1 to 10 parts by weight of pulgite and 1 to 5 parts by weight of silica fume, S2 step of preparing a composition for mixing, and S3 step of kneading the molding composition and then molding, drying and firing .
본 발명의 S1단계에 있어서, 슬래그는 쓰레기 용융 슬래그, 하수 슬러지 용융 슬래그, 금속 제련시 생성되는 유리질 슬래그(예를 들면 고로슬래그, 제강슬래그, 전로슬래그, 전기로 슬래그 등의 철강 슬래그), 무정형 유기물이 봉인된 석탄재로 이루어지는 군 중에서 선택된 적어도 1종인 것을 예시할 수 있다.In step S1 of the present invention, the slag is waste molten slag, sewage sludge molten slag, glassy slag generated during metal smelting (for example, blast furnace slag, steelmaking slag, converter slag, steel slag such as electric furnace slag), amorphous organic matter At least one selected from the group consisting of the sealed coal ash can be exemplified.
상기 슬래그에는 0.5mm 내지 0.15mm인 유리질 슬래그를 10~50중량% 함유할 수 있는데, 유리질 슬래그의 입경이 0.5㎜ 이상이 되면 가열시 골격 입자 사이의 관통 간극이 커지기 때문에 성형체의 형상을 유지하기 어렵게 되고, 0.15㎜ 이하의 함유량이 10 중량% 이하로 떨어질 경우 골격 입자 사이의 관통 간극이 줄어들어 대형 세라믹 패널의 투수 성능이 저하하기 쉬워진다.The slag may contain 10 to 50% by weight of vitreous slag of 0.5 mm to 0.15 mm. If the particle diameter of the vitreous slag is 0.5 mm or more, the penetration gap between the skeletal particles increases during heating, making it difficult to maintain the shape of the molded body. When the content of 0.15 mm or less falls to 10 wt% or less, the penetration gap between the skeletal particles is reduced, so that the water permeability of the large-sized ceramic panel is easily deteriorated.
유리질 슬래그는 가열시 용적을 팽창하는 규산염질 입자와 가열시 수축하는 규산염 입자로 구성되어 있으며, 800℃에서 성분 중의 황화철 및 황화 마그네슘이 열분해를 일으킴으로써 아황산가스가 다량으로 발생하여 가열시 골격입자 사이에 다수의 관통 간극이 생기는 기능을 이용한다.Glassy slag is composed of silicate particles that expand in volume when heated and silicate particles that contract when heated. At 800°C, iron sulfide and magnesium sulfide in components cause thermal decomposition, generating a large amount of sulfurous acid gas between the skeleton particles when heated. It utilizes the function of creating a number of through gaps in the
상기 점토 광물은 카올리나이트와, 몬모릴로나이트와, 세리사이트와, 일라이트로 이루어지는 군 중에서 선택되는 적어도 1종인 것을 예시할 수 있다.The clay mineral may be at least one selected from the group consisting of kaolinite, montmorillonite, sericite, and illite.
정수장에서 수거하여 온 정수 슬러지에는 수분의 70~80% 함유되어 있어 본 발명에서는 이를 건조시킨 후 원료로서 사용하며, 바람직하게는 전체 중량에 대하여 수분량이 1~5%가 되도록 건조 처리하여 정수 슬러지로서 사용한다.The purified sludge collected from the water purification plant contains 70 to 80% of water, so in the present invention, it is dried and then used as a raw material. use.
본 발명에서 사용되는 정수 슬러지는 Al2O3 20 중량% 이상 및 SiO2 30 중량% 이상 포함하는 것을 사용하는 것이 바람직하며, 상기 정수 슬러지는 이외 Fe2O3, CaO, MgO, K2O, Na2O, P2O5 등이 더 포함될 수 있다. 그리고 본 발명의 정수 슬러지는 점토를 주체로 하는 응집 침전 물질, 경수의 연수처리 과정에서 생기는 석회 슬러지, 철, 망간 등의 무기 이온을 포집 한 무기 슬러지 및 플랑크톤 조류 등 유기 물질로 분류되는 슬러지 등을 포함할 수 있다.The purified sludge used in the present invention is preferably Al 2 O 3 20 wt% or more and SiO 2 It is preferable to use that containing 30 wt% or more, and the purified sludge is Fe 2 O 3 , CaO, MgO, K 2 O, Na 2 O, P 2 O 5 and the like may be further included. In addition, the purified sludge of the present invention is a coagulated sedimentation material mainly composed of clay, lime sludge generated during the softening process of hard water, inorganic sludge containing inorganic ions such as iron and manganese, and sludge classified as organic substances such as plankton algae. may include
상기 발포 규석은 진주암을 분쇄한 분말을 900℃의 온도로 급속 가열하여 발포 팽창시켜 얻을 수 있다.The silica foam can be obtained by rapidly heating the pulverized powder of perlite to a temperature of 900 ℃ to expand and expand.
상기 제올라이트 및 규조토는 여과 및 흡착 성능이 우수하여 정수 기능을 제공한다.The zeolite and diatomaceous earth have excellent filtration and adsorption performance to provide a water purification function.
상기 벤토나이트는 소성시 상하로 적층된 패널 상호간 또는 대차에 부착되지 않도록 하는 역할을 한다.The bentonite serves to prevent adhesion between the panels stacked up and down or to the truck during firing.
본 발명의 세라믹원료 조성물에는 폐유리 분말을 더 포함할 수 있다. 상기 폐유리 분말 등을 더 포함하게 되면 연속 기공 형성에 도움이 되고 특히 건축용 세라믹 패널의 경량화를 더욱 향상시킬 수 있는데, 첨가량은 슬래그 100중량부를 기준으로 50~80중량부인 것을 예시할 수 있다.The ceramic raw material composition of the present invention may further include waste glass powder. When the waste glass powder is further included, it is helpful to form continuous pores and in particular, the weight reduction of the ceramic panel for construction can be further improved.
본 발명의 S2단계는 성형용 조성물을 마련하는 단계로서, 원료 조성물에 물 등을 첨가하여 반죽한 다음 성형하는 단계이다.Step S2 of the present invention is a step of preparing a molding composition, and is a step of kneading the raw material composition by adding water or the like and then molding.
보다 구체적으로 원료 조성물에 물 등의 첨가 원료의 혼합, 혼련 후 중공 진공 압출 후 압연기를 이용 압연 후 소정의 크기로 절단 후 원적외선을 이용하여 건조한 후 900~1,200℃에서 소성하여 이루어질 수 있다. 또한, 원료 혼합 후 조립 장치를 이용하여 원료 조성물을 입경 10mm 이하로 분쇄하여 프레스 성형 기계로 프레스 성형한 다음 건조한 후 소성할 수도 있다.More specifically, after mixing and kneading the additive raw materials such as water in the raw material composition, hollow vacuum extrusion, rolling using a rolling mill, cutting to a predetermined size, drying using far-infrared rays, and calcining at 900 ~ 1,200 ° C. It can be made. In addition, after mixing the raw materials, the raw material composition may be pulverized to a particle size of 10 mm or less using a granulating device, press-molded by a press-molding machine, dried and then fired.
소성 온도가 900℃ 이하이면 굴곡 강도가 발현하지 않고, 또한 1,200℃ 이상이면 소성 후의 형상을 유지할 수 없으며, 롤러 하스킬른을 사용하는 것을 예시할 수 있다.If the firing temperature is 900°C or less, flexural strength is not expressed, and if it is 1,200°C or more, the shape after firing cannot be maintained, and the use of a roller Haskiln can be exemplified.
투수 및 보수 성능을 가진 본 발명의 세라믹 패널은 굴곡 강도가 3.0N/mm2 이상, 투수 계수가 0.01cm/sec 이상, 보습량이 0.15g/cm³이상 그리고 흡수성이 70% 이상인 것을 특징으로 한다.The ceramic panel of the present invention having water permeability and water retention performance has a flexural strength of 3.0 N/mm 2 or more, a water permeability coefficient of 0.01 cm/sec or more, a moisture content of 0.15 g/cm³ or more, and a water absorption of 70% or more.
성형용 조성물에는 아타풀자이트 및 실리카흄이 첨가될 수 있다.Attapulgite and silica fume may be added to the molding composition.
상기 아타풀자이트는 증점제 또는 흡착제 성능을 제공하는 역할을 한다.The attapulgite serves to provide thickener or adsorbent performance.
상기 실리카흄은 마이크로 실리카로도 알려진 실리카의 일종으로서, 소성시 용융되어 세라믹 패널의 강도를 향상하는 역할을 한다.The silica fume is a kind of silica, also known as micro silica, and is melted during firing to improve the strength of the ceramic panel.
다음은 투수 성능과 보수 성능 및 단열 성능을 가진 대형 세라믹 패널의 제조 방법에 대하여 설명한다.Next, a method for manufacturing a large-sized ceramic panel having water permeability, repair performance, and thermal insulation performance will be described.
[실시예 1][Example 1]
고로 슬래그 100중량부와, 몬모릴로나이트 50중량부와, 정수 슬러지 40 중량부와, 발포 규석 30중량부와, 제올라이트 30중량부와, 규조토 30중량부와, 벤토나이트 10중량부와, 폐유리 50중량부를 포함하는 세라믹원료 조성물을 마련하고, 상기 세라믹원료 조성물 100중량부를 기준으로 물 10중량부와, 아타풀자이트 1중량부와, 실리카흄 1중량부를 혼합한 성형용 조성물을 마련한다. 그리고 상기 성형용 조성물을 반죽한 다음 성형한 후 건조로에서 건조한 다음, 1,100℃에서 소성하여 세라믹 패널 제조를 완료하였다.100 parts by weight of blast furnace slag, 50 parts by weight of montmorillonite, 40 parts by weight of purified sludge, 30 parts by weight of expanded silica, 30 parts by weight of zeolite, 30 parts by weight of diatomaceous earth, 10 parts by weight of bentonite, and 50 parts by weight of waste glass Prepare a ceramic raw material composition comprising, and prepare a molding composition in which 10 parts by weight of water, 1 part by weight of attapulgite, and 1 part by weight of silica fume are mixed based on 100 parts by weight of the ceramic raw material composition. Then, after kneading the composition for molding, molding, drying in a drying furnace, and then firing at 1,100° C. to complete the manufacture of the ceramic panel.
[비교예 1][Comparative Example 1]
실시예 1에서 세라믹원료 조성물에서 정수 슬러지를 30 중량부 사용하고, 발포 규석과 폐유리를 생략한 것을 제외하고 실시예 1과 동일한 방법으로 세라믹 패널을 제조하였다.A ceramic panel was manufactured in the same manner as in Example 1, except that 30 parts by weight of purified sludge was used in the ceramic raw material composition in Example 1, and silica foam and waste glass were omitted.
[비교예 2][Comparative Example 2]
실시예 1에서 세라믹원료 조성물에서 발포 규석과 폐유리를 생략하고, 성형용 조성물에서 실리카흄을 생략한 것을 제외하고 실시예 1과 동일한 방법으로 세라믹 패널을 제조하였다.A ceramic panel was manufactured in the same manner as in Example 1, except that silica fume was omitted from the composition for molding and silica fume was omitted from the ceramic raw material composition in Example 1.
[실험예 1][Experimental Example 1]
실시예 및 비교예를 통해 제조된 세라믹 패널의 투수계수, 보수량, 비중, 굴곡강도 및 마모감량을 측정하여 아래 표 1에 기재하였다.The permeability coefficient, water retention amount, specific gravity, flexural strength, and wear loss of the ceramic panels manufactured through Examples and Comparative Examples were measured and are shown in Table 1 below.
(cm/sec)pitcher coefficient
(cm/sec)
(g/㎠)water retention
(g/cm2)
(N/㎟)flexural strength
(N/㎟)
(g)wear reduction
(g)
상기 표 1에 의하면, 본 발명에 따른 세라믹 패널은 비교예 1, 2와 대비할 때 투수 성능 및 보수량은 물론 비교예 1, 2에 비해 더 가볍고, 굴곡강도와 마모감량에서도 더 우수하다는 것을 확인할 수 있었다. 이러한 본 발명의 세라믹 패널은 본 발명에 따른 건축용 내, 외장재 등으로 활용될 수 있다.According to Table 1, it can be confirmed that the ceramic panel according to the present invention is lighter than Comparative Examples 1 and 2, as well as water permeability and water retention amount, as well as superior in flexural strength and wear reduction when compared to Comparative Examples 1 and 2 there was. The ceramic panel of the present invention can be used as an interior or exterior material for construction according to the present invention.
이하에서는 본 발명에 따른 건축용 세라믹 패널 제조방법을 설명한다. 다만, 상술한 내용과 중복되는 내용에 대한 자세한 설명은 생략한다.Hereinafter, a method for manufacturing a ceramic panel for construction according to the present invention will be described. However, a detailed description of the content overlapping with the above-described content will be omitted.
본 발명에 따른 건축용 세라믹 패널 제조방법은 점토 광물을 물과 반죽하여 성형한 패널 성형체를 마련하는 S10단계와, 슬래그 100중량부와, 점토 광물 50~150중량부와, 정수 슬러지 40~80 중량부와, 발포 규석 30~50중량부와, 제올라이트 30~50중량부와, 규조토 30~50중량부와, 벤토나이트 10~20중량부를 포함하는 세라믹원료 조성물을 마련한 다음, 상기 원료 조성물 100중량부를 기준으로 물 5~20중량부와, 아타풀자이트 1~10중량부와, 실리카흄 1~5중량부를 혼합한 표면 처리용 조성물을 마련하는 S20단계와, 상기 패널 성형체의 일면에 상기 표면 처리용 조성물을 부착하는 S30단계와, 상기 표면 처리용 조성물을 부착된 패널 성형체를 소성하는 S40단계를 포함하는 것을 특징으로 한다.The method for manufacturing a ceramic panel for construction according to the present invention includes the step S10 of preparing a panel molded body formed by kneading a clay mineral with water, 100 parts by weight of slag, 50 to 150 parts by weight of clay mineral, and 40 to 80 parts by weight of purified sludge And, 30 to 50 parts by weight of silica foam, 30 to 50 parts by weight of zeolite, 30 to 50 parts by weight of diatomaceous earth, and 10 to 20 parts by weight of bentonite to prepare a ceramic raw material composition, and then based on 100 parts by weight of the raw material composition Step S20 of preparing a composition for surface treatment in which 5 to 20 parts by weight of water, 1 to 10 parts by weight of attapulgite, and 1 to 5 parts by weight of silica fume are mixed, and attaching the composition for surface treatment to one surface of the panel molded body It is characterized in that it comprises a step S30, and a step S40 of firing the panel molded body to which the composition for surface treatment is attached.
본 실시예에서는 비중이 1보다 높은 패널 성형체의 일면에 비중이 1(예를 들어 0.5~0.9)보다 작은 표면 처리용 조성물을 부착한 다음, 소성하는 것을 특징으로 한다.In this embodiment, a composition for surface treatment having a specific gravity of less than 1 (eg, 0.5 to 0.9) is attached to one surface of a panel molded body having a specific gravity higher than 1, and then firing is performed.
상기 표면 처리용 조성물은 패널 성형체의 일면에 뿜칠 내지 도포되는 방식으로 부착되어, 소성이 완료되면 요철 형상의 거친 표면과 다수의 기공이 형성되는 특징이 있다.The composition for surface treatment is attached to one surface of the panel molded body in such a way that it is sprayed or applied, and when firing is completed, a rough surface with a concave-convex shape and a number of pores are formed.
이상에서 설명된 본 발명은 예시적인 것에 불과하며, 본 발명이 속한 기술분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 잘 알 수 있을 것이다. 그러므로 본 발명은 상기의 상세한 설명에서 언급되는 형태로만 한정되는 것은 아님을 잘 이해할 수 있을 것이다. 따라서 본 발명의 진정한 기술적 보호 범위는 첨부된 특허청구범위의 기술적 사상에 의해 정해져야 할 것이다. 또한, 본 발명은 첨부된 청구범위에 의해 정의되는 본 발명의 정신과 그 범위 내에 있는 모든 변형물과 균등물 및 대체물을 포함하는 것으로 이해되어야 한다.The present invention described above is merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom. Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. Moreover, it is to be understood that the present invention covers all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
상기 세라믹원료 조성물 100중량부를 기준으로 물 5~20중량부을 포함하는 성형용 조성물을 마련하는 단계와;
상기 성형용 조성물을 반죽한 다음 성형하고, 건조 후 소성하는 단계;
를 포함하는 것을 특징으로 하는 건축용 세라믹 패널 제조방법.
100 parts by weight of slag, 50 to 150 parts by weight of clay minerals, 40 to 80 parts by weight of purified sludge, 30 to 50 parts by weight of expanded silica, 30 to 50 parts by weight of zeolite, 30 to 50 parts by weight of diatomaceous earth, and bentonite Preparing a ceramic raw material composition comprising 10 to 20 parts by weight and 50 to 80 parts by weight of waste glass;
preparing a molding composition comprising 5 to 20 parts by weight of water based on 100 parts by weight of the ceramic raw material composition;
kneading the molding composition and then molding, drying and baking;
A method of manufacturing a ceramic panel for construction, comprising:
상기 점토 광물은,
카올리나이트와, 몬모릴로나이트와, 세리사이트와, 일라이트로 이루어지는 군 중에서 선택되는 적어도 1종이며,
상기 발포 규석은 진주암을 분쇄한 분말을 870~920℃의 온도로 급속 가열하여 발포 팽창시켜 얻어지는 것을 특징으로 하는 건축용 세라믹 패널 제조방법.
According to claim 1,
The clay mineral is
at least one selected from the group consisting of kaolinite, montmorillonite, sericite, and illite,
The foamed silica stone is a method for manufacturing a ceramic panel for construction, characterized in that it is obtained by foaming and expanding the pulverized powder of perlite by rapidly heating it to a temperature of 870 ~ 920 ℃.
상기 성형용 조성물은 상기 세라믹원료 조성물 100중량부를 기준으로 물 5~20중량부와, 아타풀자이트 1~10중량부와, 실리카흄 1~5중량부를 혼합한 것이며,
상기 슬래그는 쓰레기 용융 슬래그, 하수 슬러지 용융 슬래그, 금속 제련시 생성되는 유리질 슬래그, 무정형 유기물이 봉인 된 석탄재로 이루어지는 군으로 선택된 적어도 1종이며,
상기 정수 슬러지는 수분 함량이 5% 이하로 건조된 분말인 것을 특징으로 하는 건축용 세라믹 패널 제조방법.
According to claim 1,
The molding composition is a mixture of 5 to 20 parts by weight of water, 1 to 10 parts by weight of attapulgite, and 1 to 5 parts by weight of silica fume based on 100 parts by weight of the ceramic raw material composition,
The slag is at least one selected from the group consisting of garbage molten slag, sewage sludge molten slag, glassy slag generated during metal smelting, and coal ash in which amorphous organic matter is sealed,
The method for manufacturing a ceramic panel for construction, characterized in that the purified sludge is a dried powder having a moisture content of 5% or less.
슬래그 100중량부와, 점토 광물 50~150중량부와, 정수 슬러지 40~80 중량부와, 발포 규석 30~50중량부와, 제올라이트 30~50중량부와, 규조토 30~50중량부와, 벤토나이트 10~20중량부와, 폐유리 50~80중량부를 포함하는 세라믹원료 조성물을 마련한 다음, 상기 원료 조성물 100중량부를 기준으로 물 5~20중량부와, 아타풀자이트 1~10중량부와, 실리카흄 1~5중량부를 혼합한 표면 처리용 조성물을 마련하는 단계와;
상기 패널 성형체의 일면에 상기 표면 처리용 조성물을 부착하는 단계와;
상기 표면 처리용 조성물이 부착된 패널 성형체를 소성하는 단계;
를 포함하는 것을 특징으로 하는 건축용 세라믹 패널 제조방법.
providing a panel molded body formed by kneading a clay mineral with water;
100 parts by weight of slag, 50 to 150 parts by weight of clay minerals, 40 to 80 parts by weight of purified sludge, 30 to 50 parts by weight of expanded silica, 30 to 50 parts by weight of zeolite, 30 to 50 parts by weight of diatomaceous earth, and bentonite After preparing a ceramic raw material composition comprising 10 to 20 parts by weight and 50 to 80 parts by weight of waste glass, 5 to 20 parts by weight of water, 1 to 10 parts by weight of attapulgite, and silica fume based on 100 parts by weight of the raw material composition preparing a composition for surface treatment in which 1 to 5 parts by weight is mixed;
attaching the composition for surface treatment to one surface of the panel molded body;
sintering the panel molded body to which the composition for surface treatment is attached;
A method of manufacturing a ceramic panel for construction, comprising:
A ceramic panel for construction, characterized in that manufactured by any one of the methods of claims 1 to 4.
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