KR20030087758A - A Clay Brick Using Fine Powder Of Waste Silica Stone And Manufacturing Method Thereof - Google Patents

A Clay Brick Using Fine Powder Of Waste Silica Stone And Manufacturing Method Thereof Download PDF

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KR20030087758A
KR20030087758A KR1020020025651A KR20020025651A KR20030087758A KR 20030087758 A KR20030087758 A KR 20030087758A KR 1020020025651 A KR1020020025651 A KR 1020020025651A KR 20020025651 A KR20020025651 A KR 20020025651A KR 20030087758 A KR20030087758 A KR 20030087758A
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clay
fine powder
waste
brick
manufacturing
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KR1020020025651A
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Korean (ko)
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KR100480794B1 (en
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김영도
조백일
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주식회사공간세라믹
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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
    • 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
    • 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
    • C04B14/22—Glass ; Devitrified glass
    • 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
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • 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
    • C04B33/00—Clay-wares
    • C04B33/30—Drying methods
    • 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
    • C04B33/00—Clay-wares
    • C04B33/32—Burning methods
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

PURPOSE: Provided is a manufacturing method of clay bricks and floor materials with little plastic deformation, high strength and low water absorption by using waste silica powder. CONSTITUTION: The clay bricks and floor materials are manufactured by the following steps of: mixing 5-45wt.% of waste silica powder having more than 97% of silica and particle size of 170mesh, generated from silica ores, 55-95wt.% of clay, and optionally up to 5wt.% of glass powder to decrease absorption of clay bricks; regulating moisture content to be 17-20%; forming by vacuum extruder; drying at 80-200deg.C for 36-48hrs; and sintering it at 1100-12000deg.C for 24-36hrs.

Description

폐규석 미분을 이용한 점토벽돌 및 그 제조방법 {A Clay Brick Using Fine Powder Of Waste Silica Stone And Manufacturing Method Thereof}Clay Brick Using Fine Powder Of Waste Silica Stone And Manufacturing Method Thereof}

본 발명은 점토벽돌 및 그 제조방법에 관한 것으로, 보다 상세하게는 폐규석 미분을 이용하여 소성변형이 작고 고강도인 벽돌 및 바닥제를 제공할 수 있는 점토벽돌 및 그 제조방법에 관한 것이다.The present invention relates to a clay brick and a method of manufacturing the same, and more particularly, to a clay brick and a method of manufacturing the same, which can provide a brick and a floor having a small plastic deformation and high strength using waste silica fine powder.

일반적으로 점토로 이루어진 바닥벽돌은 그 외면이 자연적이고 깨끗하며 아름다울 뿐만 아니라, 각종 약품에 대한 내약품성이 우수하고 견고하기 때문에 반영구적으로 사용될 수 있어 우수한 건축바닥재료로 각광받고 있다.In general, the floor brick made of clay is not only natural, clean and beautiful, but also can be used semi-permanently because of its excellent chemical resistance and robustness to various chemicals.

그러나 점토질의 바닥벽돌이 가지는 이러한 장점에도 불구하고 소성변형이 커서 제품의 정확한 규격과 물성에 악영향을 미치기 때문에 문제점으로 지적되고 있다.However, in spite of these advantages of clay brick, it is pointed out as a problem because the plastic deformation is large, which adversely affects the exact specifications and physical properties of the product.

이러한 문제점을 해결하고자 한 기술로는 한국공개특허 제2000-38199호를 들 수 있는데, 이 기술은 폐석분, 물, 점토를 배합하고 성형한 후, 250 내지 1,050℃의 온도에서 1 내지 5시간 동안 열처리하여서 점토벽돌을 제조하며, 얻어진 점토벽돌은 일반 벽돌에 비하여 압축강도가 다소 증가하고, 흡수율이 7 내지 8%로 일반 벽돌 10% 정도보다 다소 감소하게 되었다.As a technique for solving this problem, Korean Laid-Open Patent Publication No. 2000-38199, which combines and forms waste-rock powder, water, and clay, and then forms the mixture for 1 to 5 hours at a temperature of 250 to 1,050 ° C. The clay brick is prepared by heat treatment, and the obtained clay brick has a slightly increased compressive strength and a water absorption of 7 to 8% compared to that of a general brick.

또한 첨가한 폐석분의 경우 폐석분 발생시 작업 중에 발생하는 철가루의 혼입(약 6%)으로 인해 소성 후 표면에 철가루가 연소되어 매끄럽지 못한 표면 상태를 유지하였으며, 색상도 일반 바닥재나 컬러벽돌에는 적용이 불가능하고 적벽돌만이 가능하여 이러한 현상을 방지하기 위해서는 철가루를 폐석분으로부터 제거하는 2차작업을 진행하여야 하는 문제점이 있다.In addition, in the case of added waste-rock powder, iron powder is burned on the surface after firing due to the mixing of iron powder (about 6%) generated during the operation of waste-rock powder. There is a problem that the secondary work to remove the iron powder from the waste-rock powder is not applicable and only the red brick is possible to prevent this phenomenon.

그리고 이 기술에서 사용되는 폐석분의 구성성분은 SiO2성분이 65%정도, Al2O3성분이 15% 정도, CaO 성분이 10% 정도, Fe2O3등 기타성분이 10% 정도이며, 화강암 가공시 발생되는 폐석분이다.The waste stone powder used in this technology is composed of about 65% of SiO 2 , about 15% of Al 2 O 3 , about 10% of CaO, and about 10% of other components such as Fe 2 O 3 . Waste stone powder generated during granite processing.

즉, SiO2와 Al2O3를 제외한 성분이 약 20% 정도이며, 이로 인하여 벽돌의 원료가 되는 점토보다 낮은 온도에서 소결하게 되며, 소성시 K2O 등 불순물에 해당되는 성분은 부분적으로 녹게되어 제품의 품질을 떨어뜨리는 문제점이 있다.That is, the components other than the SiO 2 and Al 2 O 3 and about 20%, which results will be sintered at a temperature lower than the clay as a raw material of the brick, the component corresponding to the firing K 2 O impurities are partially melted There is a problem that degrades the quality of the product.

본 발명은 상기한 바와 같은 문제점을 해결하기 위한 것으로, 폐규석미분을 이용하되 적벽돌 외에 바닥재나 컬러벽돌에도 적용이 가능한 점토벽돌의 제조방법을 제공하는 것을 목적으로 한다.The present invention is to solve the problems as described above, it is an object of the present invention to provide a clay brick manufacturing method that can be applied to flooring or color bricks in addition to red bricks.

본 발명의 다른 목적은 소성변형이 적고 강도가 우수한 벽돌 및 바닥재를 제공하는 것이다. 본 발명의 또 다른 목적은 흡수율이 더욱 감소된 벽돌 및 바닥재를 제공하는 것이다.Another object of the present invention is to provide a brick and flooring material having a low plastic deformation and excellent strength. It is yet another object of the present invention to provide bricks and floorings with further reduced absorption.

본 발명의 점토벽돌 제조방법은 실리카 성분이 97% 이상이고 170메쉬로 입도 조절된 폐규석 미분을 5∼45중량%와 점토 55∼95중량%를 혼합한 후, 혼합물의 수분함량을 17∼20%로 조절하고 진공압출 성형기로 성형하여 성형물을 80∼200℃에서 36∼48시간 건조시킨 다음, 1,100∼1,200℃의 온도에서 24∼36시간 소성시키는 것으로 구성된다.Clay brick manufacturing method of the present invention is after mixing the silica content of more than 97% and the waste silica fine powder having a particle size adjusted to 170 mesh 5 to 45% by weight and 55 to 95% by weight of clay, the water content of the mixture is 17 to 20 It is controlled by the% and molded in a vacuum extrusion molding machine to dry the molded product for 36 to 48 hours at 80 to 200 ℃, and then fired for 24 to 36 hours at a temperature of 1,100 to 1,200 ℃.

특히, 점토벽돌의 흡수율을 더욱 감소시키기 위해서는 폐규석 미분과 점토에 유리분말을 5중량% 이내로 혼합할 수 있다.In particular, in order to further reduce the absorption rate of clay brick, glass powder may be mixed with the waste silica fine powder and clay within 5% by weight.

이하, 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail.

폐규석은 규석광산에서 규석을 채광 후 이를 분쇄하는 과정에서 발생하는 미분으로 실리카 성분을 97% 이상 함유하고 있다.Waste silica is a fine powder generated in the process of mining silica after grinding it in the silica mine and contains more than 97% of silica.

적절한 입도의 규석은 비료용 또는 제련작업 공정의 첨가제로 사용되고 있으나, 적절한 입도를 얻기 위하여 분쇄할 때 발생한 미분은 지금까지 그 적절한 용도가 발견되지 아니하여 야적되거나 매립되고 있는 실정이다.Silica of appropriate particle size is used as an additive for fertilizer or smelting process, but the fine powder generated when pulverizing to obtain an appropriate particle size has not been found until now, its use has not been found or buried.

일반적으로 점토벽돌 및 바닥재를 제조하는 방법은 고령토와 점토(1차, 2차점토)를 주원료로 하는 소지를 진공 압출성형하고 건조시킨 후 소성하는데, 본 발명은 점토벽돌 및 바닥재의 소성시 일어나는 소성변형을 감소시키고 제품의 강도를높이기 위하여 점토벽돌의 주원료에 대한 구성성분으로서 폐규석 미분을 첨가한다.In general, a method of manufacturing clay bricks and flooring is baked by vacuum extrusion molding and drying the base material of kaolin and clay (primary, secondary clay) as the main raw material, the present invention is the firing that occurs during the firing of clay bricks and flooring Waste silica fine powder is added as a component to the main raw material of clay brick to reduce the deformation and increase the strength of the product.

이때 첨가되는 폐규석 미분은 170메쉬(90㎛) 이하의 입도를 갖는 것이 바람직하며, 170메쉬 이상의 것을 사용하면 충진성이 떨어지고 치밀한 미세조직을 얻지 못한다.At this time, the added waste silica fine powder has a particle size of 170 mesh (90 μm) or less, and the use of more than 170 mesh is inferior in fillability and does not obtain a dense microstructure.

이와 같은 입도 조정된 폐규석 미분의 사용량은 5% 이상 45% 이하가 바람직한데, 그 이유는 입도조정 규석분이 5% 미만일 경우 점토벽돌의 소성변형 및 흡수율의 감소 효과가 미흡하고, 45%를 초과할 경우에는 성형의 충진성이 떨어져 전체 소성변형률이 오히려 증가되기 때문이며, 특히 흡수율을 더욱 감소시키기 위해서는 폐유리분말을 5% 이내 첨가시킬 수 있다.It is preferable that the amount of the fine-grained waste silica fine powder used is 5% or more and 45% or less. The reason is that when the particle size-adjusted silica powder is less than 5%, the plastic deformation and absorption of clay brick are insufficient and the reduction rate is over 45%. In this case, since the filling property of the molding is poor, the overall plastic strain is rather increased, and in order to further reduce the absorption rate, the waste glass powder may be added within 5%.

본 발명의 제조공정은 폐규석 미분을 5∼45중량%, 점토 55∼95%중량를 혼합 분쇄하여 유리분말 0∼5%를 첨가 혼합한 후, 상기 혼합물의 수분함량을 17∼20%로 하여 진공압출 성형기로 성형하여 성형물을 80∼200℃에서 36∼48시간 건조 후 1,100∼1,200℃의 온도에서 24∼36시간 소성결합 시키는 것으로 구성된다.In the manufacturing process of the present invention, 5 to 45% by weight of waste silica fine powder, 55 to 95% by weight of clay is mixed and pulverized, 0 to 5% of glass powder is added and mixed, and the water content of the mixture is 17 to 20%. It is made by molding with an extrusion molding machine and drying the molded product at 80 to 200 ° C. for 36 to 48 hours, and then plastic bonding for 24 to 36 hours at a temperature of 1,100 to 1,200 ° C.

얻어진 벽돌 또는 바닥재는 소성변형이 3% 이내이며, 흡수율은 6% 이내이고, 흰색에 가까운 밝은 색을 띠므로 안료를 첨가하여 원하는 색상을 부여할 수도 있다.The resulting brick or flooring material has a plastic deformation of 3% or less, an absorption rate of 6% or less, and has a bright color close to white, so that a pigment may be added to give a desired color.

본 발명의 실시예는 아래와 같으며, 아래의 실시예는 벽돌에 관한 것이지만 본 발명의 제조방법은 벽돌 외에 바닥재에 대하여도 적용될 수 있다.Embodiment of the present invention is as follows, the following embodiment relates to a brick, but the manufacturing method of the present invention can be applied to flooring in addition to brick.

(실시예 1)(Example 1)

중량%로 점토 55%와 규석분 40%를 균일하게 혼합하여 상기 점토, 폐규석 미분 혼합물의 수분함량을 18%로 하여 진공압출성형기로 성형한 벽돌 및 바닥벽돌 제품을 165℃에서 40시간 건조시킨 후 1,150℃에서 36시간 예열, 소성 후 냉각시켜서 소성변형이 작은 점토벽돌을 제조하였으며, 얻어진 벽돌의 물성은 아래의 [표 1]과 같다.55% clay and 40% silica powder were mixed uniformly by weight, and the brick and floor brick products formed by vacuum extrusion machine were dried at 165 ° C for 40 hours with the moisture content of the clay and waste silica fine powder mixture being 18%. After preheating and baking at 1,150 ° C. for 36 hours, cooling was performed to prepare a clay brick having a small plastic deformation. Physical properties of the obtained bricks are shown in Table 1 below.

구분 시료Classification Sample 실시예 1Example 1 실시예 2Example 2 비교예Comparative example 흡수율(%)Absorption rate (%) 5.85.8 4.34.3 1111 변형율(%)% Strain 2.92.9 2.72.7 10.610.6 압축강도(kgf/㎠)Compressive strength (kgf / ㎠) 402402 418418 215215 휨강도(N/㎟)Flexural strength (N / ㎡) 8.48.4 8.88.8 4.94.9

(실시예 2)(Example 2)

실시예 1과 동일하게 시행하되, 점토-폐규석 미분 혼합물 100중량%에 대하여 유리분말을 5중량% 첨가하였다.In the same manner as in Example 1, 5% by weight of the glass powder was added to 100% by weight of the clay-waste silica fine powder mixture.

(비교예)(Comparative Example)

점토 80%와 마사토 20%를 혼합분쇄 후 상기 점토와 마사토의 혼합물의 수분함량을 18%로 조절하여 진공압출성형기로 성형한 벽돌 및 바닥벽돌 제품을 200℃에서 44시간 건조시킨 다음, 1,150℃에서 40시간 예열, 소성 후 냉각시켜서 소성벽돌을 제조하였다.After mixing and grinding 80% clay and 20% masato, the moisture content of the mixture of clay and masato was adjusted to 18%, and the brick and floor brick products formed by the vacuum extrusion machine were dried at 200 ° C for 44 hours, and then at 1,150 ° C. Preheated, baked for 40 hours, and cooled to prepare a fired brick.

본 발명의 제조방법으로 제조한 벽돌 및 바닥벽돌은 규석광산에서 규석을 채굴하여 분쇄시 발생하는 폐규석 미분을 이용하여 제조하여 재활용함으로써, 자원대체의 효과를 발휘할 뿐만 아니라, 얻어진 제품은 소성변형이 작고 강도가 높으며, 흡수율이 낮다. 또한 본 발명을 통하여 제조원가를 줄일 수 있으며, 폐규석 미분의 처리비용을 절감할 수 있다.The bricks and floor bricks produced by the production method of the present invention are manufactured using recycled waste silica fine powder generated from mining and grinding the silica in the quartz mine, and recycled. Small, high strength, low absorption. In addition, it is possible to reduce the manufacturing cost through the present invention, it is possible to reduce the processing cost of waste silica fine powder.

Claims (3)

실리카 성분이 97% 이상이고 170메쉬로 입도 조절된 폐규석 미분 5∼45중량%와 점토 55∼95중량%를 혼합한 후, 혼합물의 수분함량을 17∼20%로 조절하고 진공압출 성형기로 성형하여 성형물을 80∼200℃에서 36∼48시간 건조시킨 다음, 1,100∼1,200℃의 온도에서 24∼36시간 소성시키는 것을 특징으로 하는 폐규석 미분을 이용한 점토벽돌의 제조방법.After mixing 5 to 45% by weight of waste silica fine powder with a silica content of more than 97% and a particle size adjusted to 170 mesh and 55 to 95% by weight of clay, the water content of the mixture is adjusted to 17 to 20% and molded by a vacuum extrusion molding machine. And drying the molded product at 80 to 200 ° C. for 36 to 48 hours, and then firing at a temperature of 1,100 to 1,200 ° C. for 24 to 36 hours. 제1항에 있어서, 유리분말이 점토-폐규석 미분 100중량%에 대하여 5중량% 이내로 첨가되는 것을 특징으로 하는 폐규석 미분을 이용한 점토벽돌의 제조방법.The clay brick manufacturing method using waste silica fine powder according to claim 1, wherein the glass powder is added within 5% by weight based on 100% by weight clay-waste silica fine powder. 제1항 기재의 방법에 의하여 제조된 것을 특징으로 하는 폐규석 미분을 이용한 점토벽돌.Clay brick using waste silica fine powder, characterized in that produced by the method of claim 1.
KR10-2002-0025651A 2002-05-09 2002-05-09 A Clay Brick Using Fine Powder Of Waste Silica Stone And Manufacturing Method Thereof KR100480794B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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RU2454384C1 (en) * 2011-01-11 2012-06-27 Юлия Алексеевна Щепочкина Mixture for making bricks
KR101696716B1 (en) * 2015-10-07 2017-01-16 김대건 Manufacturing method of high-strength artificial stone block using tailing

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KR101837376B1 (en) 2017-09-29 2018-03-12 주식회사 선일로에스 High strength clay brick manufactured by using waste shot ball and glass powder and manufacturing method thereof

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JPH0674169B2 (en) * 1988-12-27 1994-09-21 昌和工業株式会社 Ceramic sinter
JPH0852720A (en) * 1994-08-12 1996-02-27 Ube Ind Ltd Manufacture of clay tile
KR100186278B1 (en) * 1995-12-27 1999-04-15 정종순 Light weight agregate using stone dust sludge and paper sluge and method for preparing the same
KR20020061266A (en) * 2001-01-15 2002-07-24 주식회사 삼한 씨원 Manufacturing method of brick and floor brick for building using mine wasges
KR20020066459A (en) * 2001-02-10 2002-08-17 허창린 The block with a through hole using scraped ceramics and manufacturing method therof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2454384C1 (en) * 2011-01-11 2012-06-27 Юлия Алексеевна Щепочкина Mixture for making bricks
KR101696716B1 (en) * 2015-10-07 2017-01-16 김대건 Manufacturing method of high-strength artificial stone block using tailing

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