KR101903294B1 - A brick using waste sludge of solar cell and manufacturing method thereof - Google Patents

A brick using waste sludge of solar cell and manufacturing method thereof Download PDF

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KR101903294B1
KR101903294B1 KR1020170170608A KR20170170608A KR101903294B1 KR 101903294 B1 KR101903294 B1 KR 101903294B1 KR 1020170170608 A KR1020170170608 A KR 1020170170608A KR 20170170608 A KR20170170608 A KR 20170170608A KR 101903294 B1 KR101903294 B1 KR 101903294B1
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brick
raw material
material composition
weight
clay
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KR1020170170608A
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Korean (ko)
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김영래
고상호
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김영래
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1321Waste slurries, e.g. harbour sludge, industrial muds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/0007Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use 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
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/041Aluminium silicates other than clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/04Clay; Kaolin
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/131Inorganic additives
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The present invention relates to a brick using wastewater sludge of a solar cell and a method for manufacturing the same. The raw material composition includes the wastewater sludge generated in a process of cutting the silicon ingot used as a secondary material to manufacture the solar cell. The sintering temperature can be lowered by 80-100°C due to the magnetization phenomenon of the wastewater sludge during the sintering process, and the surface color of the brick during magnetization can be expressed to partially replace clay and decomposition of granite.

Description

태양광셀의 폐수오니를 이용한 벽돌 및 이의 제조방법{A BRICK USING WASTE SLUDGE OF SOLAR CELL AND MANUFACTURING METHOD THEREOF}TECHNICAL FIELD [0001] The present invention relates to a brick using a photovoltaic cell wastewater sludge and a method of manufacturing the brick,

본 발명은 태양광셀의 폐수오니를 이용한 벽돌 및 이의 제조방법에 관한 것으로, 보다 상세하게는 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 절단하는 과정에서 발생되는 폐수오니를 원료 조성물에 포함시키고, 소성 가공시 폐수오니의 자화 현상으로 소성온도를 80℃ ~ 100℃ 낮출 수 있는 것은 물론, 자화시 벽돌의 표면색이 발현되어 점토와 마사를 일부 대체할 수 있는 태양광셀의 폐수오니를 이용한 벽돌 및 이의 제조방법에 관한 것이다. The present invention relates to a brick using a wastewater sludge of a photovoltaic cell and a method of manufacturing the brick, and more particularly, to a brick using a wastewater sludge of a photovoltaic cell, It is possible to lower the sintering temperature by 80 to 100 占 폚 owing to the magnetization phenomenon of the waste water sludge during the sintering process and also to improve the surface color of the brick during magnetization so that the waste water of the solar cell, And a method for manufacturing the same.

일반적으로, 내화벽돌은 대한민국 등록특허 제10-0859588호(2008.09.16) 등에 개시된 바와 같이 소각처리 대상 폐기물을 태워 없애는 소각로 또는 소각 시설에 주로 사용되고 있고, 또한 대한민국 공개특허 제2011-0077050호(2011.07.07)에 개시된 바와 같이 제강공정 설비인 전로에 용선을 장입하기 위한 용선예비 처리 설비 등에고 사용되고 있다.Generally, refractory bricks are mainly used in incinerators or incineration facilities for burning off wastes to be incinerated as disclosed in Korean Patent Registration No. 10-0859588 (2008.09.16), etc. Also, Korean Patent Publication No. 2011-0077050 (2011.07 .07), which is a steelmaking process facility, is being used for pre-processing equipment for molten iron to charge charcoal.

상기 주거시설을 위한 소성 가공 벽돌은 주거시설의 외벽 용도로 사용되거나, 주가시설의 실내에 설치되는 벽난로 전용으로 사용되기도 한다.The plastic brick for the residential facility may be used for the exterior wall of the residential facility or for the fireplace installed in the interior of the residence.

이러한 소성 가공 벽돌은 소성과정에서 발현되는 색상과 더불어 큰 압축강도 및 저수분흡수율이 요구되기 때문에 많은 제조비용이 소요된다.Such a plastic-worked brick requires a large amount of manufacturing cost because it requires a large compressive strength and a low moisture absorption rate in addition to the color developed in the firing process.

또한 소성 가공 벽돌은 기존의 시멘트벽돌에 비해 점토, 마사, 적점토, 백토 등 천연자원이 요구된다.In addition, compared with conventional cement bricks, plasticized bricks require natural resources such as clay, martha, red mud, and clay.

아울러 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 커팅하는 과정에서 발생되는 폐수오니는 산업부산물로서, 2011년 현재 연간 약 10,000톤 이상이 발생되고 있으며, 2012년부터는 연간 약 25,000톤 이상이 발생될 것으로 예상되고 있다.In addition, the wastewater sludge generated during the process of cutting the ingot (Silicon Ingot) used as the secondary material to make the solar cell is an industrial by-product, and it has generated more than 10,000 tons per year in 2011. From 2012, Ton or more is expected to occur.

이러한 폐수오니는 2009년 현재 일부 매립되거나 폐기물처리업자에게 처리비를 주면서 위탁 처리 하고있는 실정이다.As of 2009, these wastewater sludge has been partially reclaimed or disposed of by the waste disposal company with the disposal fee.

대한민국 등록특허 제10-0859588호Korean Patent No. 10-0859588 대한민국 공개특허 제2011-0077050호Korean Patent Publication No. 2011-0077050

본 발명은 상기와 같은 문제점을 감안하여 안출된 것으로, 본 발명의 제 1목적은, 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 절단하는 과정에서 발생되는 폐수오니를 원료 조성물에 포함시키고, 소성 가공시 폐수오니의 자화 현상으로 소성온도를 80℃ ~ 100℃ 낮출 수 있는 것은 물론, 자화시 벽돌의 표면색이 발현되어 점토와 마사를 일부 대체할 수 있는 태양광셀의 폐수오니를 이용한 벽돌 및 이의 제조방법를 제공하는데 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is a first object of the present invention to provide a method for manufacturing a photovoltaic cell, which comprises a raw material sludge generated in a process of cutting a silicon ingot used as a secondary material, The sintering temperature of the sludge can be lowered by 80 to 100 ° C due to the magnetization phenomenon of the waste water sludge during the sintering process and the sludge of the solar cell, And a method for manufacturing the same.

본 발명의 제 2목적은, 폐수오니를 통해 기존의 적점토를 완전대체하고, 점토와 마사 및 백토의 사용량을 일부 대체하여 제조원가를 낮출 수 있는 태양광셀의 폐수오니를 이용한 벽돌 및 이의 제조방법를 제공하는데 있다.A second object of the present invention is to provide a brick using a waste water sludge of a solar cell capable of completely replacing existing red mud with wastewater sludge and partially replacing the amount of clay, have.

상기한 바와 같은 목적을 달성하기 위한 특징에 따르면, 제 1발명은, 태양광셀의 폐수오니를 이용한 벽돌 제조방법에 관한 것으로, 이를 위해 폐수오니 40 ~ 42중량%와, 마사 20 ~ 22중량%와, 점토 20 ~ 22중량%와, 백토 15 ~ 17중량%와, 장석 3 ~ 5중량%로 이루어지는 원료 조성물을 배합하는 S10단계와, 배합된 원료 조성물에 포함된 이물질을 석별하는 S20단계;와, 석별된 원료 조성물을 1~2mm 이내의 입도 범위로 분쇄하는 S30단계;와, 일정 입도 범위로 분쇄된 원료 조성물을 혼련하는 S40단계;와, 혼련된 원료 조성물의 수분을 고르게 분포시키기 위해 4 ~ 5일간 숙성시키는 S50단계;와, 숙성된 원료 조성물을 성형기에 투입하여 성형하고, 벽돌크기로 커팅하는 S60단계;와, 커팅된 벽돌 성형물을 건조기에 투입하여 3 ~ 4일간 건조시키는 S70단계; 및 건조된 벽돌 성형물을 소성가공하여 완성하는 S80단계;를 포함하여 이루어지되, 상기 원료 조성물에 포함된 폐수오니는 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 커팅하는 과정에서 발생되는 폴리실리콘과, 탄화규소 및 카본을 포함하고, 소성 가공시 폐수오니의 자화 현상으로 소성온도를 낮춰 제조원가를 절감할 수 있는 것을 특징으로 한다.According to a first aspect of the present invention, there is provided a method of manufacturing a brick using waste water sludge of a solar photovoltaic cell, comprising the steps of: preparing 40 to 42 wt% of wastewater sludge, 20 to 22 wt% , Step (S20) of blending a raw material composition comprising 20 to 22% by weight of clay, 15 to 17% by weight of clay and 3 to 5% by weight of feldspar, step S20 of separating the foreign materials contained in the raw material composition, A step S30 of pulverizing the raw material composition which has been ground to a particle size range of 1 to 2 mm, a step S40 of kneading the raw material pulverized into a predetermined particle size range, A step S60 of aging the raw material composition for a day, S60 molding the aged raw material composition into a molding machine, cutting the brick-sized raw material into a brick size, step S70 of putting the cut brick into a dryer and drying for 3 to 4 days; And a step S80 of finishing the dried brick molding by plastic working, wherein the wastewater sludge contained in the raw material composition is prepared by cutting a silicon ingot used as a secondary material to form a solar cell Silicon carbide and carbon, and is capable of lowering the production cost by lowering the firing temperature due to the magnetization phenomenon of the wastewater sludge during the firing process.

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또한 상기 S80단계는 원료 조성물에 포함된 폐수오니의 자화현상으로 소성온도를 1020 ~ 1100℃ 범위에서 소성가공할 수 있는 것을 특징으로 한다.Also, the step S80 is characterized in that the sintering temperature can be calcined in a range of 1020 to 1100 占 폚 due to the magnetization phenomenon of the wastewater sludge contained in the raw material composition.

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본 발명의 태양광셀의 폐수오니를 이용한 벽돌 및 이의 제조방법에 따르면, 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 절단하는 과정에서 발생되는 폐수오니를 벽돌에 적용하여 고부가가치의 창출할 수 있는 효과가 있다.According to the brick using the photovoltaic cell wastewater sludge of the present invention and the method of manufacturing the same, the wastewater sludge generated in the process of cutting the ingot (silicon ingot) used as the secondary material to make the solar cell is applied to the brick, There is an effect that can be created.

또한 원료 조성물에 포함된 폐수오니의 자화 현상으로 소성온도를 80℃ ~ 100℃ 낮출수 있어 소성시 사용되는 벙커C유 및 GAS의 사용량을 30 ~ 40% 절감할 수 있는 효과가 있다.In addition, the sintering temperature of the waste water sludge contained in the raw material composition can be lowered by 80 ° C to 100 ° C, thereby reducing the amount of Bunker C oil and GAS used in firing by 30 to 40%.

폐수오니를 통해 자화시 벽돌의 표면색이 발현되어 점토와 마사를 일부 대체할 수 있어 천연자원을 보호할 수 있는 효과가 있다. Through the sewage sludge, the surface color of the brick is manifested during the magnetization, and it is possible to replace the clay and maras partly, thereby protecting natural resources.

도 1은 본 발명에 따른 태양광셀의 폐수오니를 이용한 벽돌 제조방법의 순서도이고,
도 2는 본 발명에 따른 태양광셀의 폐수오니를 이용한 벽돌를 나타내는 사진이다.
1 is a flow chart of a method of manufacturing a brick using waste water sludge of a solar photovoltaic cell according to the present invention,
2 is a photograph showing a brick using waste water sludge of a solar photovoltaic cell according to the present invention.

이하의 본 발명의 목적들, 다른 목적들, 특징들 및 이점들은 첨부된 도면과 관련된 이하의 바람직한 실시예들을 통해서 쉽게 이해될 것이다. 그러나 본 발명은 여기서 설명되는 실시예들에 한정되지 않고 다른 형태로 구체화될 수도 있다.BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more readily apparent from the following description of preferred embodiments with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms.

오히려, 여기서 소개되는 실시예들은 개시된 내용이 철저하고 완전해질 수 있도록 그리고 당업자에게 본 발명의 사상이 충분히 전달될 수 있도록 하기 위해 제공되는 것이다.Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

여기에 설명되고 예시되는 실시예들은 그것의 상보적인 실시예들도 포함한다.The embodiments described and exemplified herein also include their complementary embodiments.

본 명세서에서, 단수형은 문구에서 특별히 언급하지 않는 한 복수형도 포함한다. 명세서에서 사용되는 '포함한다(comprise)' 및/또는 '포함하는(comprising)'은 언급된 구성요소는 하나 이상의 다른 구성요소의 존재 또는 추가를 배제하지 않는다.In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms "comprise" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements.

이하, 도면을 참조하여 본 발명을 상세히 설명하도록 한다. 아래의 특정 실시예들을 기술하는데 있어서, 여러가지의 특정적인 내용들은 발명을 더 구체적으로 설명하고 이해를 돕기 위해 작성되었다. 하지만 본 발명을 이해할 수 있을 정도로 이 분야의 지식을 갖고 있는 독자는 이러한 여러 가지의 특정적인 내용들이 없어도 사용될수 있다는 것을 인지할 수 있다. 어떤 경우에는, 발명을 기술하는 데 있어서 흔히 알려졌으면서 발명과 크게 관련 없는 부분들은 본 발명을 설명하는 데 있어 혼돈을 막기 위해 기술하지 않음을 미리 언급해 둔다.Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific details have been set forth in order to provide a more detailed description of the invention. However, it will be appreciated by those skilled in the art that the present invention may be understood by those skilled in the art without departing from such specific details. In some cases, it should be mentioned in advance that it is common knowledge in describing an invention that parts not significantly related to the invention are not described in order to avoid confusion in explaining the present invention.

도 1은 본 발명에 따른 태양광셀의 폐수오니를 이용한 벽돌 제조방법의 순서도이다.1 is a flowchart of a method of manufacturing a brick using waste water sludge of a solar photovoltaic cell according to the present invention.

도 1에 도시된 바와 같이, 본 발명은 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 커팅하는 과정에서 발생되는 폐수오니를 원료 조성물에 포함시키고, 원료 조성물을 성형한 후 소성 가공시 폐수오니의 자화 현상으로 소성온도를 80℃ ~ 100℃ 낮출 수 있는 것은 물론, 자화시 벽돌의 표면색이 발현되어 점토와 마사를 일부 대체할 수 있는 태양광셀의 폐수오니를 이용한 벽돌 제조방법에 관한 것이다.As shown in FIG. 1, the present invention relates to a method for manufacturing a photovoltaic cell, which comprises adding a waste water sludge generated in a process of cutting a silicon ingot used as a secondary material to a raw material composition, molding the raw material composition, It is possible to lower the sintering temperature by 80 ℃ ~ 100 ℃ due to the magnetization phenomenon of sewage sludge during processing, and it is possible to replace the clay and martha by the surface color of the brick during magnetization. .

본 발명을 설명하기에 앞서, 폐수오니는 잉곳(Silicon Ingot)을 커팅하는 과정에서 발생되는 가루를 물에 침전시키고, 이를 필터 프레스로 수분을 일부 제거하여 획득할 수 있다.Prior to describing the present invention, the wastewater sludge can be obtained by depositing the powder generated in the process of cutting an ingot (Silicon Ingot) into water and partially removing water with a filter press.

이러한 폐수오니는 폴리실리콘과 탄화규소 및 카본의 성분이 포함되며, 이러한 성분은 불에 타는 성질을 가지고 있으며, 벽돌의 자화현상을 더욱 촉진시킬 수 있다.These wastewater sludges include components of polysilicon, silicon carbide and carbon, these components have a burning property and can further promote the magnetization of bricks.

또한 본 발명에서 언급된 벽돌은 점토벽돌, 미장벽돌, 건축용 내외장재 벽돌, 치장벽돌, 내화벽돌일 수 있으며, 폐수오니는 공정오니를 포함할 수 있다.The bricks referred to in the present invention may be clay bricks, plaster bricks, building interior and exterior bricks, stucco bricks, refractory bricks, and the waste water sludge may include process sludge.

먼저 S10단계에서는 폐수오니 40 ~ 42중량%와, 마사 20 ~ 22중량%와, 점토 20 ~ 22중량%와, 백토 15 ~ 17중량%와, 장석 3 ~ 5중량%로 이루어지는 원료 조성물을 배합한다.In step S10, a raw material composition comprising 40 to 42 wt% of waste water sludge, 20 to 22 wt% of Marasa, 20 to 22 wt% of clay, 15 to 17 wt% of clay and 3 to 5 wt% of feldspar is mixed .

여기서 백토와 점토는 소성가공시 벽돌의 표면색을 결정하는 것으로, 언급된 범위 내에서 소망하는 색상으로 적절이 배합비를 결정할 수 있으며, 상기 점토는 흑점토를 선택적으로 포함할 수 있다.Here, the clay and clay determine the surface color of the brick during the firing process, and the blending ratio can be appropriately determined in a desired range within the range mentioned above, and the clay can selectively contain the black point clay.

아울러 마사 역시 벽돌의 표면색을 결정하는 것은 물론, 22중량% 초과하면 벽돌의 표면이 매끄럽지 못해 바람직하지 않다.In addition, Martha determines the surface color of the brick, and if it exceeds 22 wt%, the surface of the brick is not smooth.

장석은 벽돌의 압축강도를 상승시킬 수 있으나, 5중량% 초과할 경우에는 단가가 상승되어 바람직하지 않다.Feldspar can increase the compressive strength of the brick, but if it exceeds 5% by weight, the unit cost increases, which is not preferable.

여기서 폐수오니는 자화되어 색상을 발현할 수 있기 때문에 점토, 마사, 백토를 일부 대체할 수 있다.Here, the wastewater sludge can be magnetized and can express color, so clay, martha, and clay can be partially substituted.

이 때 상기 폐수오니가 40중량% 미만일 경우에는 소성연료 절감효과가 저조하고, 원하는 색상 발현이 약해 바람직하지 않고, 42중량% 초과할 경우에는 소성연료 절감 효과는 있으나 컬러 발현이 너무 강하고, 소성 가공시 스파크와 자화현상으로 인해 벽돌의 균열과 표면이 매끄럽지 않은 것을 물론, 발열량이 높아 벽돌의 취성과 벽돌과 벽돌들이 붙는 현상이 증가되기 때문에 바람직하지 않다.If the wastewater sludge is less than 40 wt%, the effect of saving the fired fuel is low and the desired color development is undesirable. If the wastewater sludge is more than 42 wt%, the fired fuel is reduced but the color development is too strong, The cracks and surface of the bricks are not smooth due to the time spark and the magnetization phenomenon, and the heat generation is high, which is not preferable because the brittleness of the bricks and the bricks and bricks are increased.

S20단계에서는 배합된 원료 조성물에 포함된 자갈과 같은 이물질을 석별한다.In step S20, foreign substances such as gravel contained in the compounded raw material composition are separated.

S30단계에서는 석별된 원료 조성물을 1 ~ 2mm 이내의 입도 범위로 분쇄한다.In step S30, the raw material composition is crushed to a particle size range of 1 to 2 mm or less.

S40단계에서는 일정 입도 범위로 분쇄된 원료 조성물을 혼련한다.In step S40, the raw material composition pulverized into a predetermined particle size range is kneaded.

S50단계에서는 혼련된 원료 조성물의 수분을 고르게 분포시키기 위해 4 ~ 5일간 숙성시킨다.In step S50, the mixture is aged for 4 to 5 days to evenly distribute the moisture of the raw material composition.

S50단계 이 후, 선택적으로 S30단계와, S40단계를 반복하여 원료 조성물의 품질을 향상시킬 수 있다. After step S50, optionally, steps S30 and S40 may be repeated to improve the quality of the raw material composition.

S60단계에서는 숙성된 원료 조성물을 성형기에 투입하여 성형하고, 벽돌크기로 커팅한다.In the step S60, the aged raw material composition is put into a molding machine, molded, and cut into a brick size.

S70단계에서는 커팅된 벽돌 성형물을 건조기에 투입하여 3 ~ 4일간 건조시킨다. 이 때 원료 조성물에 포함된 폐수오니는 점토와 같이 점성이 강하여 각각의 다른 조성물과의 결집력을 향상시키기고, 건조시 건조 파벽 발생을 줄일 수 있다.In step S70, the cut brickwork is put into a dryer and dried for 3 to 4 days. In this case, the wastewater sludge contained in the raw material composition is highly viscous like clay, so that it can improve the cohesion strength with each other composition and can reduce the occurrence of dry cracking during drying.

S80단계에서는 건조된 벽돌 성형물을 소성가공하여 완성한다.In step S80, the dried brick molding is finished by plastic working.

이 때 80단계는 원료 조성물에 포함된 폐수오니의 자화현상으로 기존 1100 ~ 1200℃ 범위의 소성온도를 1020 ~ 1100℃ 범위에서 소성가공할 수 있다.In this step 80, the sintering temperature in the range of 1100 to 1200 ° C can be calcined in the range of 1020 to 1100 ° C due to the magnetization phenomenon of the wastewater sludge contained in the raw material composition.

이는 결국 소성온도를 80℃ ~ 100℃ 낮출 수 있어 소성시 사용되는 벙커C유 및 GAS의 사용량을 30 ~ 40% 절감할 수 있어 벽돌의 제조 원가를 줄일 수 있다. As a result, the firing temperature can be lowered by 80 ° C to 100 ° C, and the amount of bunker C oil and gas used in firing can be reduced by 30 to 40%, thereby reducing the manufacturing cost of bricks.

특히 폐수오니에 포함된 폴리실리콘은 대부분 규소화합물로 이루어져 있고, 이러한 규소화합물은 열전도율이 비교적 높아 탄소로 이루어지는 탄화규소 및 카본과 함께 벽돌의 자화현상을 촉진시키고, 더불어 벽돌의 강도를 증대 및 흡수율은 낮출 수 있다.Particularly, the polysilicon contained in the wastewater sludge is mostly composed of a silicon compound. Such a silicon compound has a relatively high thermal conductivity, thereby promoting the magnetization phenomenon of the brick together with silicon carbide and carbon which are made of carbon, Can be lowered.

도 2는 본 발명에 따른 태양광셀의 폐수오니를 이용한 벽돌을 나타내는 사진이다.2 is a photograph showing a brick using waste water sludge of a solar photovoltaic cell according to the present invention.

도 2와 같이, 상술된 일련을 과정을 통해 제조된 벽돌은 폐수오니를 통해 기존의 적점토를 완전대체하고, 점토와 마사 및 백토의 사용량을 일부 대체하여 제조원가를 낮출 수 있게 된다.As shown in FIG. 2, the bricks produced through the series of steps described above completely replace the existing red soil through the waste water sludge, and the production cost can be reduced by partially replacing the amount of clay, maraca and clay.

또한 기존의 폐수오니를 첨가하지 않고, 적점토와 점토 및 마사를 사용한 벽돌과 같은 색상을 발현함을 도 2를 통해 알 수 있었다.It is also shown in Fig. 2 that the existing wastewater sludge is not added, and the same color as the brick using red clay, clay and martha is produced.

한편, 기존의 전돌(박물과, 절 등에서 많이 사용되는 검은 은색 벽돌)은 폐타이어와 폐목 또는 벙커C유를 불완전 연소시켜 벽돌에 침탄시키는 방법으로 제조하였으며, 이 과정에서 검은 분진이 발생되어 환경오염의 주요 원인이 되었고, 또한 생산된 상태에서 2 ~ 3년이 경과 되면 약 발색 현상이 나타나는 문제점이 있었다. 이에 반해 원료 조성물에 포함된 폐수오니는 소성과정에서 유해성분이 전혀 발생되지 않고, 생산된 벽돌은 강도와 흡수율이 좋을 뿐만 아니라, 색상 변화가 전혀 없는 특징이 있다. On the other hand, the existing roads (black silver bricks which are often used in museum and temple) were manufactured by incomplete combustion of waste tires and waste wood or Bunker C oil and carburizing the bricks. In this process, , And there was a problem in that a weak color development phenomenon occurs when the product is produced for two to three years. On the contrary, the waste water sludge contained in the raw material composition does not cause harmful components at all during the firing process, and the produced brick is characterized not only in strength and absorption rate, but also in no color change.

[실험예][Experimental Example]

본 발명의 태양광셀의 폐수오니를 이용한 벽돌에 대하여 압축강도와 흡수율을 실험하였으며, 그 결과는 [표 1]과 같다.The compressive strength and the absorptivity of the brick using the wastewater sludge of the photovoltaic cell of the present invention were experimented, and the results are shown in Table 1.

구분division 압축강도(N/㎟)Compressive strength (N / mm2) 흡수율(%)Absorption Rate (%) KS규격KS standard 24.5024.50 10% 이하below 10 본 발명의 벽돌(10개의 샘플)The bricks (10 samples) 38±438 ± 4 6±16 ± 1

그 결과, 태양광셀의 폐수오니를 이용한 벽돌은 압축강도 35 ~ 42N/㎟ 범위로 KS규격을 크게 상회하였다.As a result, the brick using waste water sludge of sun photocell was in the range of 35 ~ 42N / ㎟ in compressive strength, far exceeding the KS standard.

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또한 태양광셀의 폐수오니를 이용한 벽돌은 흡수율에 있어서도, KS규격을 크게 상회하는 5 ~ 7% 범위의 흡수율을 갖는 것을 알 수 있었다.Also, it was found that the absorption rate of the brick using the solar cell sludge from sewage sludge has an absorption rate in the range of 5 to 7% which is much higher than the KS standard.

본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 한다.It should be noted that the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention so that various equivalents And variations are possible.

Claims (5)

폐수오니 40 ~ 42중량%와, 마사 20 ~ 22중량%와, 점토 20 ~ 22중량%와, 백토 15 ~ 17중량%와, 장석 3 ~ 5중량%로 이루어지는 원료 조성물을 배합하는 S10단계;
배합된 원료 조성물에 포함된 이물질을 석별하는 S20단계;
석별된 원료 조성물을 1 ~ 2mm 이내의 입도 범위로 분쇄하는 S30단계;
일정 입도 범위로 분쇄된 원료 조성물을 혼련하는 S40단계;
혼련된 원료 조성물의 수분을 고르게 분포시키기 위해 4 ~ 5일간 숙성시키는 S50단계;
숙성된 원료 조성물을 성형기에 투입하여 성형하고, 벽돌크기로 커팅하는 S60단계;
커팅된 벽돌 성형물을 건조기에 투입하여 3 ~ 4일간 건조시키는 S70단계; 및
건조된 벽돌 성형물을 소성가공하여 완성하는 S80단계;를 포함하여 이루어지되,
상기 원료 조성물에 포함된 폐수오니는 태양광셀을 만들기 위해 2차 소재로 사용되는 잉곳(Silicon Ingot)을 커팅하는 과정에서 발생되는 폴리실리콘과, 탄화규소 및 카본을 포함하고, 소성 가공시 폐수오니의 자화 현상으로 소성온도를 1020 ~ 1100℃ 범위에서 소성가공할 수 있는 것을 특징으로 하는 태양광셀의 폐수오니를 이용한 벽돌 제조방법.
A step S10 of blending a raw material composition comprising 40 to 42% by weight of waste water sludge, 20 to 22% by weight of Marasa, 20 to 22% by weight of clay, 15 to 17% by weight of clay and 3 to 5% by weight of feldspar;
(S20) of separating foreign materials contained in the raw material composition;
Step S30 of pulverizing the raw material composition into a particle size range of 1 to 2 mm or less;
A step S40 of kneading the pulverized raw material composition in a predetermined particle size range;
S50 for aging the kneaded raw composition for 4 to 5 days to evenly distribute the moisture;
A step S60 of putting the aged raw material composition into a molding machine, molding it, and cutting it into a brick size;
A step S70 of putting the cut brick molding material into a dryer and drying for 3 to 4 days; And
And a step S80 of completing the dried brick molding by plastic working,
The wastewater sludge contained in the raw material composition includes polysilicon, silicon carbide, and carbon generated during the cutting process of a silicon ingot used as a secondary material to make a solar cell, Characterized in that the sintering temperature can be calcined in the range of 1020 to 1100 占 폚 by the magnetization phenomenon.
삭제delete 삭제delete 제 1항에 따른 방법으로 제조되는 벽돌.A brick produced by the method of claim 1. 삭제delete
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CN112500176A (en) * 2021-02-05 2021-03-16 北京利尔高温材料股份有限公司 Anti-oxidation coating for ladle slag line, coating and preparation method thereof
CN115572176A (en) * 2022-09-30 2023-01-06 广西欧神诺陶瓷有限公司 Light ceramic tile prepared from metal tailings and preparation method thereof

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