WO2012044057A2 - 바텀 애쉬를 이용한 세라믹 투수 블록 조성물과 이를 이용한 다공성 세라믹 투수 블록 및 그 제조방법 - Google Patents
바텀 애쉬를 이용한 세라믹 투수 블록 조성물과 이를 이용한 다공성 세라믹 투수 블록 및 그 제조방법 Download PDFInfo
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- WO2012044057A2 WO2012044057A2 PCT/KR2011/007136 KR2011007136W WO2012044057A2 WO 2012044057 A2 WO2012044057 A2 WO 2012044057A2 KR 2011007136 W KR2011007136 W KR 2011007136W WO 2012044057 A2 WO2012044057 A2 WO 2012044057A2
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- permeable block
- porous ceramic
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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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
- 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
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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
- C04B14/38—Fibrous materials; Whiskers
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
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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
Definitions
- the present invention relates to a ceramic permeable block composition, a ceramic permeable block using the same, and a method of manufacturing the same. More specifically, the bottom ash generated as a by-product from coal-fired power plants is classified by particle size and mixed with other ceramic compositions.
- the present invention relates to a ceramic permeable block composition, a porous ceramic permeable block using the same, and a method of manufacturing the same.
- Permeable blocks can be broadly divided into clay blocks, concrete blocks, and natural stone blocks based on the raw materials used.
- Clay blocks have the advantages of being environmentally friendly in color and material and in terms of water retention and pore management. However, there are disadvantages in that the permeability is slightly lower than other pitcher blocks and the initial investment cost is burdensome.
- the concrete block is a packaging material having a high permeability coefficient due to a high porosity and a low water cement ratio.
- the road surface can be processed in the desired color, and it is designed to penetrate rainwater and make up for the shortcomings of concrete and asphalt concrete that cut off the ground and the ground.
- Natural stone blocks are paving materials that can raise the level of groundwater by pouring rainwater through gaps by using crushed stone or sand that has been broken into granite, marble, gravel, volcanic rocks, and the like. It has excellent natural texture and color expression, so it has a beautiful feature. However, it is a packaging method in which the permeability is dependent on the construction method rather than the product itself.
- water-permeable ceramic packaging materials containing wastes such as urban waste are introduced, which have been reported to have more than twice the permeability and three times the strength characteristics of existing concrete permeable blocks, but are also used to prevent high temperature heat treatment or CO 2 leakage. It is estimated that the process cost due to treatment is large.
- the technical problem to be solved by the present invention is to provide a ceramic permeable block composition using a bottom ash, the bottom ash (bottom ash) generated as a by-product from the coal-fired power plant by particle size and mixed with other ceramic compositions.
- Another technical problem to be solved by the present invention is to provide a porous ceramic permeable block having high strength and permeability coefficient by introducing continuous open pores into the ceramic permeable block using the composition.
- Another technical problem to be solved by the present invention is to provide a method of manufacturing a porous ceramic permeable block that can reduce the production cost and preserve the function of the ceramic by applying the molding method used in the existing brick manufacturing process as it is.
- Ceramic permeable block composition using the bottom ash according to the present invention for achieving the above technical problem Bottom Ash 35.00 wt% to 75.00 wt%, glass powder 10.00wt% to 50.00wt%, glass fiber 3 wt% to 8 wt% and 13.00 wt% to 23.00 wt% of Water Glass, and further comprising 5.00 wt% to 15.00 wt% of any one of stone powder and alumina (Al 2 O 3 ). It is done.
- Porous ceramic permeable block using the bottom ash according to the present invention for achieving the above another technical problem is made of the composition, the specific gravity is 0.8 to 1.5, the bending strength is 4 MPa or more, the permeability coefficient is To It is characterized by that.
- a method of manufacturing a porous ceramic permeable block using a bottom ash according to the present invention, (a) mixing the composition, (b) molding the mixed composition, (c) molding Heat treating the dried composition, (d) cooling the heat treated composition, and (e) processing the cooled composition.
- the ceramic permeable block using the bottom ash according to the present invention has a low specific gravity, good handleability, excellent permeability, and has an advantage of being an environmentally friendly material.
- the manufacturing method of the ceramic permeable block using the bottom ash according to the present invention the production cost is reduced by the low temperature process has the advantage that it can use the existing brick forming process as it is.
- FIG. 1 is a photograph of the bottom ash (bottom ash) of the composition forming the ceramic permeable block according to an embodiment of the present invention is separated and selected for each particle size.
- FIG. 2 is a view showing the strength by particle size of the natural aggregate similar to the bottom ash and basic physical properties.
- 3 is a view showing the permeability performance of the particle size of the natural aggregate similar to the bottom ash and basic physical properties.
- FIG. 4 is a view showing the component analysis of the glass powder in the ceramic permeable block composition according to an embodiment of the present invention.
- FIG. 5 is a view showing the component analysis of the bottom ash (bottom ash) in the ceramic permeable block composition according to an embodiment of the present invention.
- FIG. 6 is a view showing the component analysis of the glass fiber (Glass Fiber) in the ceramic permeable block composition according to an embodiment of the present invention.
- FIG. 7 is a view showing the component analysis of the fly ash (fly ash) in the ceramic permeable block composition according to an embodiment of the present invention.
- FIG. 8 is a view showing the component analysis of the interceptor of the ceramic permeable block composition according to an embodiment of the present invention.
- FIG. 9 is a manufacturing process chart of the porous ceramic permeable block using the ceramic permeable block composition according to an embodiment of the present invention.
- FIG. 10 is a photograph of a porous ceramic permeable block prepared according to an embodiment of the present invention.
- the base material 'bottom ash' is a by-product generated after coal combustion, and is different from fly ash in the form of fine powder collected in a dust collector.
- fly ash As a result of constant research on the recycling method, it is recycled a lot, but bottom ash is almost entirely disposed of in the treatment plant around the power plant or as roadbed soil around the power plant. As it is used in small quantities, it causes a problem of environmental pollution, and the treatment is emerging as a social problem.
- the bottom ash which is 15 to 20% of the total ash generated, is semi-permanent, has excellent breathability, water retention, heat retention, and cold retention, and contains a large amount of minerals to help plant growth. Its utilization is expected to increase.
- FIG. 1 is a photograph of the bottom ash (bottom ash) of the composition forming the ceramic permeable block according to an embodiment of the present invention is separated and selected for each particle size.
- the bottom ash has a particle size of 2 mm or less, 2 mm to 5 mm, and 5 mm to 12 mm.
- the particle size of 2mm or less and 2mm to 5mm mainly forms the surface layer of the porous ceramic permeable block according to the present invention, and 5mm to 12mm mainly forms the base layer.
- 2 and 3 is a view showing the strength and permeability performance of each particle size of natural aggregate similar to the bottom ash and basic physical properties, respectively.
- bottom ash (Bottom Ash) 35.00 wt% to 75.00 wt%, glass powder 10.00 wt% to 50.00, wt%, glass fiber 3wt% To 8 wt% and 13.00 wt% to 23.00 wt% of Water Glass, and further include 5.00 wt% to 15.00 wt% of any one of stone powder and alumina (Al 2 O 3 ).
- the glass powder may be replaced with intercrete, and the glass fiber may be replaced with sand.
- Bottom ash is a by-product of coal burning. It is preferable that the content range is 35wt% to 75wt% of the total composition. If the content is less than 35wt%, the permeability decreases with excessive foaming. If the content exceeds 75wt%, the foaming phenomenon is extremely suppressed while the strength is degraded.
- a portion of the bottom ash may be replaced with a fly ash.
- Fly ash is in the form of a fine powder, so when used with the bottom ash can improve the strength. However, if the amount of bottom ash exceeds 20wt%, the foaming phenomenon is extremely suppressed and the pores become smaller, which impairs the permeability performance.
- the glass powder lowers the softening point to enable foaming at relatively low temperatures, and is used for strength improvement and maintenance by vitrification.
- the glass powder is applicable to waste glass powder as well as ordinary glass powder.
- the preferred content range is 10wt% to 50wt%, and less than 10wt%, the strength between the bottom ash is lowered and the strength is weakened. If it exceeds 50wt%, excessive foaming occurs and the surface is vitrified to lower the permeability.
- the glass powder may be replaced with intercrete.
- Intercrete is mainly used as a fastener when using cement. Its composition is similar to glass powder, but it is a material with a little calcium oxide (CaO) component among the components of the glass powder, which helps to remove the quicklime component (CaO) contained in the bottom ash or fly ash.
- CaO calcium oxide
- Glass fiber is made of fiber by melting and processing glass. It is mainly composed of silicate. The kinds thereof include short fibers, long fibers, optical fibers for image transmission, and the like, depending on the production method and use. Short fibers are simple to manufacture and are made of felt and used as insulation. Long fibers are arranged or fabrics and are widely used in fiber reinforced plastic (FRP) and insulation. Optical fiber is a regular bundle of thousands of hundreds to hundreds of thousands of special structure fibers, when the image is inserted from one end of the bundle is used for various purposes in addition to the fiber scope is transmitted to the other end according to the bending of the fiber.
- FRP fiber reinforced plastic
- the present invention is used to cut to a size of 5mm or less rather than to use in the form of cloth for the purpose of improving strength and permeability performance.
- the preferred content range is 3 wt% to 8 wt%, and less than 3 wt% has a slight effect of improving strength, and when it exceeds 8 wt%, it acts as a factor that hinders its formability when forming a product.
- One embodiment of the present invention can replace the glass fiber (Glass Fiber) with sand (Sand).
- Sand is 85% to 90% quartz, 3% to 6% feldspar, other hornblende, mica, garnet, calcite, Magnetite, hematite, etc.
- the size is generally between 0.05 and 0.50 mm, with 0.25 to 0.50 mm being the largest.
- the preferred content range is 10wt% to 30wt%. If it is less than 10wt%, the effect is insignificant, and if it exceeds 30wt%, the particle size is smaller than that of the bottom ash, which may degrade the permeability performance.
- the content range of the intricate is preferably 10 wt% to 50 wt%, which is a level that replaces the glass powder. If the content is less than 10 wt%, such as glass powder, the bonding strength is lowered. Appears and the surface is vitrified to lower the permeability performance.
- Alumina is a white powder having a specific gravity of 3.965 and a melting point of 2072 ° C., and most aluminas are manufactured through bayer process using bauxite mineral as a raw material.
- the content range is preferably 5wt% to 15wt% of the total composition. If it is less than 5wt%, the effect of improving strength is insignificant, and if it exceeds 15wt%, the pores become small, resulting in deterioration of permeability performance.
- the alumina (Al 2 O 3 ) may be replaced with stone powder.
- the stone powder is recycled from the stone factory, and is a fine powder having an average particle size of 1 ⁇ m or less, and when the heat treatment temperature is 800 ° C. or lower, it can replace the alumina and lower the production cost.
- the content range of the stone powder is preferably 5wt% to 15wt% of the whole composition, like alumina, and less than 5wt% is insignificant in strength improvement effect, and if it exceeds 15wt%, the pore becomes small, leading to deterioration of permeability performance.
- Water glass is the most widely used inorganic compound among water-soluble silicates. It is a compound in which alkali metal is combined with silicon dioxide (SiO 2 ) in various molar ratios, such as sodium silicate, potassium silicate, lithium silicate, and water of about 10% to 30% by itself. It includes. Water Glass is made by melting high-purity sand with sodium carbonate (Na 2 CO 3 ) or potassium carbonate (K 2 CO 3 ) at 1100 ⁇ 1200 °C.
- the content range of the water glass used in the present invention is preferably 13wt% to 23wt% of the total composition, if less than 13wt% there is a possibility of deterioration in strength by weakening the bonding strength between the bottom ash, falling foaming force, If it exceeds 23 wt%, surface vitrification by excessive foaming proceeds, leading to deterioration of the permeability performance.
- the porous ceramic permeable block made of the above-described composition has a specific gravity of 0.8 to 1.5, a flexural strength of 4 MPa or more, and a permeability coefficient. To It was confirmed that it was.
- Fig. 2 shows the results of component analysis of each of the " and "
- the glass powder is 62.50 wt% to 72.50 wt% of silicon dioxide (SiO 2 ), 9.75 wt% to 22.30 wt% of calcium oxide (CaO), and 8.00 wt% to sodium oxide (Na 2 O). 13.70wt% and other magnesium oxide (MgO), alumina (Al 2 O 3 ), potassium oxide (K 2 O) and the like 3.8wt% to 7.2wt%.
- SiO 2 silicon dioxide
- CaO calcium oxide
- Na 2 O sodium oxide
- MgO magnesium oxide
- Al 2 O 3 alumina
- K 2 O potassium oxide
- the bottom ash includes 43.5 wt% of silicon dioxide (SiO 2 ), 22.4 wt% of alumina (Al 2 O 3 ), and 5.15 wt% of iron dioxide (Fe 2 O).
- the total content of the three components is 70 wt% or more.
- Other components include calcium oxide (CaO), potassium oxide (K 2 O) and magnesium oxide (MgO).
- the glass fiber is 52wt% to 56wt% silicon dioxide (SiO 2 ), 12wt% to 16wt% alumina (Al 2 O 3 ), calcium oxide (CaO) 12wt% to 20wt %, 5 wt% to 10 wt% of barium trioxide (B 2 O 3 ), and 2 wt% to 8 wt% of other magnesium oxide (MgO).
- the fly ash includes 54.5 wt% of silicon dioxide (SiO 2 ), 21.1 wt% of alumina (Al 2 O 3 ), and 3.49 wt% of iron trioxide (Fe 2 O 3 ). Like the bottom ash, the sum of the three components contains more than 70wt%. Others include calcium oxide (CaO), sulfur trioxide (SO 3 ), phosphorus pentoxide (P 2 O 5 ), titanium dioxide (TiO 2 ), sodium oxide (Na 2 O), strontium oxide (SrO), barium oxide (BaO) Contains ingredients.
- Intercrete includes 62.40 wt% of silicon dioxide (SiO 2 ), 22.5 wt% of calcium oxide (CaO), and 7.70 wt% of sodium oxide (Na 2 O).
- FIG 9 is a manufacturing process diagram of a porous ceramic permeable block using a ceramic permeable block composition according to an embodiment of the present invention
- Figure 10 is a photograph of a porous ceramic permeable block prepared according to an embodiment of the present invention.
- the porous bottom ash ceramic permeable block manufacturing method according to the present invention includes a mixing step (S410), a forming step (S420), a heat treatment step (S430), a cooling step (S440), and a processing step (S450). do.
- Mixing step (S410) is a step of mixing the above-described composition in a predetermined weight ratio.
- the inorganic pigment may be further mixed when the surface layer composition is mixed.
- the bottom ash is selectively separated into 2 mm or less, 2 mm to 5 mm, 5 mm to 12 mm, and 12 mm or more according to the particle size, and then mixed at an appropriate mixing ratio and applied to the surface layer and substrate of the permeable block. .
- the bottom ash having a particle size of 5 mm or less may be mixed to form a surface layer and a base layer based on the cross section of the permeable block, and the bottom ash having a particle size of 5 mm to 12 mm or less may be additionally mixed to the substrate.
- An embodiment of the present invention may further mix bottom ash having a particle size of 1 mm or less or 2 mm or less at an appropriate mixing ratio in each of the base layer and the surface layer in order to increase the binding force between the particle sizes, or use another binder.
- a particle size of 5 mm or less is used as a basis for both the base layer and the surface layer, but the particle size of 2 mm or less is mixed at an appropriate mixing ratio, and the thickness ratio of the base layer and the surface layer is 4: 1 to ensure permeability and strength. do.
- the thickness ratio between the base layer and the surface layer is 3: 1, the strength is good, but there is a possibility that the strength of the permeation performance is deteriorated.
- the permeability is good but the strength may be deteriorated.
- the bottom ash having a particle size of 1mm or less can be used for the base and surface of the permeation block to secure the strength and increase the utilization of the bottom ash.
- the amount of the bottom ash is limited to about 20% of the total bottom ash. This is because when it contains 20% or more, the pores become smaller, which degrades the permeability.
- Forming step (S420) is a step of molding the mixed composition can be used as it is the process of molding the brick in the existing brick factory. That is, the mixed composition is put into a mold in the form of a brick, and is press-molded at a pressure of 1 to 30 tons using a hydraulic press. At this time, the composition to be used for the base layer is first put into the mold and press-molded, and the composition to be used for the surface layer is put into the mold again and press-molded.
- Heat treatment step (S430) is a step of calcining and foaming the molded composition by heat treatment.
- the heat treatment temperature here is a relatively low temperature of 600 °C to 1000 °C brings a reduction in the manufacturing cost.
- Cooling step (S440) is a step of cooling the heat-treated molded body is preferable to natural cooling, but in mass production may be reduced by applying a forced air cooling in consideration of the process rotation rate and the like.
- Subsequent processing step (S450) is a step of equalizing the dimensions of the permeable block is completed by cutting or polishing the molded body to suit its use.
- the porous ceramic permeable block manufactured as described above is capable of maintaining a continuous open pore structure appropriately and having excellent strength and permeability, and maintaining natural texture and color similarly.
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Abstract
Description
Claims (17)
- 세라믹 투수 블록 조성물에 있어서,바텀 애쉬(Bottom Ash) 35.00wt% 내지 75.00wt%;유리분말 10.00wt% 내지 50.00wt%;유리섬유 3.00wt% 내지 8.00wt%;및물유리(Water Glass) 13.00 wt% 내지 23.00 wt%를 포함하되,석분(石粉) 및 알루미나(Al2O3) 중 어느 하나를 5.00wt% 내지 15.00wt% 더 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 세라믹 투수 블록 조성물에 있어서,바텀 애쉬(Bottom Ash) 35.00wt% 내지 75.00wt%;인터크리트(Intercrete) 10.00wt% 내지 50.00wt%;유리섬유 3.00wt% 내지 8.00wt%; 및물유리(Water Glass) 13.00 wt% 내지 23.00 wt%를 포함하되,석분(石粉) 및 알루미나(Al2O3) 중 어느 하나를 5.00wt% 내지 15.00wt% 더 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 1 항 또는 제 2 항에 있어서,상기 유리 섬유를 모래(Sand)로 대치하되,상기 모래(Sand)의 사용량은,10wt% 내지 30wt%인 것을 특징으로 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 1 항 또는 제 2 항에 있어서,상기 바텀 애쉬의 일부를 플라이 애쉬(Fly Ash)로 대치하되,상기 플라이 애쉬의 사용량은,상기 바텀 애쉬의 사용량의 20wt% 미만으로 하는 것을 특징으로 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 1 항 또는 제 2 항에 있어서, 상기 바텀 애쉬는,이산화 규소(SiO2) 43.5wt%;알루미나(Al2O3) 22.4wt%; 및이산화철(Fe2O) 5.15wt%를 기본 성분으로 하며,상기 기본 성분에 산화칼슘(CaO), 산화칼륨(K2O) 및 산화마그네슘(MgO)에서 선택된 하나 또는 그 이상의 성분을 더 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 1 항에 있어서, 상기 유리분말은,이산화규소(SiO2) 62.50wt% 내지 72.50wt%;산화칼슘(CaO) 9.75wt% 내지 22.30wt%; 및산화나트륨(Na2O) 8.00wt% 내지 13.70wt%를 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 1 항에 있어서, 상기 유리분말은,폐유리 분말인 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 1 항에 있어서, 상기 유리섬유(Glass Fiber)는,이산화규소(SiO2) 52wt% 내지 56wt%;알루미나(Al2O3) 12wt% 내지 16wt%;산화칼슘(CaO) 12wt% 내지 20wt%;삼산화바륨(B2O3) 5wt% 내지 10wt%; 및산화마그네슘(MgO) 2wt% 내지 8wt%를 포함하고 있는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 2 항에 있어서, 상기 인터크리트(Intercrete)는,이산화규소(SiO2) 62.40wt%;산화칼슘(CaO) 22.50wt%; 및산화나트륨(Na2O) 7.70wt%를 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 3 항에 있어서, 상기 플라이 애쉬(Fly Ash)는,이산화규소(SiO2) 54.5wt%;알루미나(Al2O3) 21.1wt%; 및삼산화철(Fe2O3) 3.49wt%를 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 조성물.
- 제 11 항에 있어서,상기 조성물 중 바텀 애쉬의 입도가 5mm 이하인 것은 투수 블록의 표층(表層)과 기층(基層)을 이루고, 상기 조성물 중 바텀 애쉬의 입도가 5mm 내지 12mm인 것은 상기 기층(基層)을 이루되,상기 기층(基層)과 상기 표층(表層)의 두께비가 4 : 1인 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록.
- 세라믹 투수 블록의 제조방법에 있어서,(a) 제 1 항 또는 제 2 항에 기재된 조성물을 혼합하는 단계;(b) 혼합된 조성물을 성형하는 단계;(c) 성형된 조성물을 열처리하는 단계;(d) 열처리된 조성물을 냉각하는 단계; 및(e) 냉각된 조성물을 가공하는 단계를 포함하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 제조방법.
- 제 13 항에 있어서, 상기 (a) 단계는,상기 조성물 중 바텀 애쉬의 입도가 5mm 이하인 것은 투수 블록의 표층(表層)과 기층(基層)을 이루도록 혼합하고, 상기 조성물 중 바텀 애쉬의 입도가 5mm 내지 12mm인 것은 상기 기층(基層)을 이루도록 혼합하는 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 제조방법.
- 제 14 항에 있어서,상기 기층과 상기 표층의 두께비가 4 : 1인 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 제조방법.
- 제 15 항에 있어서,상기 조성물 중 바텀 애쉬의 입도가 1mm 이하인 것은 총 바텀 애쉬의 사용량의 20% 미만으로 하는 것은 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 제조방법.
- 제 13 항에 있어서, 상기 (c) 단계는,열처리 온도가 600℃ 내지 1000℃이며 열처리 시간이 1시간 내지 6시간인 것을 특징으로 하는 바텀 애쉬를 이용한 다공성 세라믹 투수 블록 제조방법.
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CN107473692B (zh) * | 2017-09-12 | 2020-08-25 | 台州市宏伟木业有限公司 | 一种建筑装饰生态石木地板砖及其制备方法 |
CN109293290A (zh) * | 2018-10-17 | 2019-02-01 | 合肥月煌新型装饰材料有限公司 | 一种高强度透水砖及其制备方法 |
CN115724685A (zh) * | 2022-12-14 | 2023-03-03 | 萍乡学院 | 一种利用陶瓷固废制备透水砖的方法 |
CN115724685B (zh) * | 2022-12-14 | 2023-05-16 | 萍乡学院 | 一种利用陶瓷固废制备透水砖的方法 |
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WO2012044057A3 (ko) | 2012-07-05 |
KR101384610B1 (ko) | 2014-04-15 |
KR20130029810A (ko) | 2013-03-25 |
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