WO2009154405A2 - Procédé de fabrication de briques de loess non cuites et brique de loess fabriqué selon ledit procédé - Google Patents

Procédé de fabrication de briques de loess non cuites et brique de loess fabriqué selon ledit procédé Download PDF

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Publication number
WO2009154405A2
WO2009154405A2 PCT/KR2009/003263 KR2009003263W WO2009154405A2 WO 2009154405 A2 WO2009154405 A2 WO 2009154405A2 KR 2009003263 W KR2009003263 W KR 2009003263W WO 2009154405 A2 WO2009154405 A2 WO 2009154405A2
Authority
WO
WIPO (PCT)
Prior art keywords
ocher
weight
loess
parts
ash
Prior art date
Application number
PCT/KR2009/003263
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English (en)
Korean (ko)
Other versions
WO2009154405A3 (fr
Inventor
김한수
Original Assignee
강릉원주대학교산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 강릉원주대학교산학협력단 filed Critical 강릉원주대학교산학협력단
Publication of WO2009154405A2 publication Critical patent/WO2009154405A2/fr
Publication of WO2009154405A3 publication Critical patent/WO2009154405A3/fr

Links

Classifications

    • 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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • 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
    • C04B14/06—Quartz; Sand
    • 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
    • C04B18/08—Flue dust, i.e. fly ash
    • 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
    • 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 non-fired ocher brick and a method for manufacturing the same.
  • non-fired ocher brick and a method for manufacturing the same have excellent durability, such as strength and temperature and humidity control, while saving energy due to no firing process. It is about.
  • yellow soil emits far-infrared rays, which are beneficial to the human body, and has excellent humidity control and temperature control functions, and does not cause environmental pollution during disposal, and thus suppresses the generation of construction wastes. Its utilization is increasing.
  • the loess is used as the main raw material, and mica and white cement are mixed in a predetermined ratio, and then dried to give high durability of about 1100 ° C. to give durability.
  • the process of firing at is essentially required.
  • This high temperature firing process consumes a variety of energy, and in combination with the recent high oil prices, such energy consumption has a great influence on the production cost, which contributes to the deterioration of economic efficiency. This will lead to weakening.
  • the ocher brick is manufactured without the firing process, it is difficult to obtain an appropriate strength as a building material due to the weakening of the cohesive force of the ocher.
  • the technical problem to be achieved by the present invention is to provide a method for producing ocher bricks that maintain physical properties such as durability, breathability, humidity and temperature control function without using a firing process.
  • another technical problem to be achieved by the present invention is to provide an ocher brick manufactured according to the manufacturing method.
  • the present invention provides a non-baked ocher brick and a method of manufacturing the same.
  • the ocher preparation step to make the ocher water content less than 10% by weight the ocher mixture by mixing by adding sand, cement, ash, polymer additives, water to the ocher Forming: forming and drying the ocher mixture.
  • ash is used as referring to various kinds of ash, such as bottom ash, fly ash, bentonite, silica fume.
  • an inorganic additive may be further added in the forming of the ocher mixture, and steam curing may be employed in the drying step.
  • the ash may be made of one or two or more selected from the group consisting of bottom ash, fly ash, bentonite, silica fume.
  • the polymer additive may be made of one or two or more selected from the group consisting of water reducing agents, dispersants, cellulose, polyvinyl alcohol.
  • the mixture contains 100 to 400 parts by weight of loess, 80 to 200 parts by weight of sand, 30 to 70 parts by weight of ash and 0.1 to 20 parts by weight of polymer additives, based on 100 parts by weight of cement.
  • the inorganic additive may be at least one selected from the group consisting of aluminum sulfate, ferrous sulfate, ferric sulfate, and ferric chloride.
  • the inorganic additive contains 0 to 30 parts by weight based on 100 parts by weight of water.
  • the non-fired ocher brick according to the present invention is useful in economical and environmental aspects because it does not require a sintering process during manufacture, and thus can save enormous energy consumption. Since the emission, breathability, humidity and temperature control function of the human infrared can be maintained as it is, it can be used as a material of a structure such as interior materials or indoor fireplaces as well as exterior materials of various buildings.
  • the ocher brick according to the present invention first, the ocher is classified according to the size and prepared so that the water content is less than 10% by weight.
  • the ocher preparation process is a process of classifying and drying the prepared high quality ocher by size, classifying the ocher to a certain size by filtering a sieve of a predetermined size, for example, 100 to 250 mesh, and then drying it at room temperature Means a step of causing the water content of to be at least 10%. By removing the moisture of the ocher, the mixing process with other materials is facilitated later.
  • the cement used in the present invention uses portland cement, which is generally used, and may use alumina cement, which is used for the purpose of enhancing the cohesion of loess and other materials.
  • the composition ratio of the cement and the loess may be used in an amount of 100 to 400 parts by weight of loess based on 100 parts by weight of cement, and may be manufactured by reducing the amount of sand in the same amount according to the increase amount of the loess.
  • the sand used in the present invention may be used without limitation as long as it is used in the art, and may include fine sand (wangsa) having a particle diameter of 1 to 3 mm, fine sand (medium sand) having a particle diameter of 0.5 to 1 mm, and a fine thread having a particle diameter of 0.5 mm or less. It is possible to use them or a mixture of them. Instead of sand, sand substitutes such as bosa or road mite may be used.
  • the sand or sand substitute material (Bongsa, roadmite, etc.) can be used in an amount of 80 to 200 parts by weight with respect to 100 parts by weight of cement, if the content of sand is less than 80 parts by weight problems such as cracking ocher bricks It may occur, and if the content exceeds 200 parts by weight there is a problem such as strength decrease is not preferable.
  • the combustion method is generally classified according to the particle size and the combustion process of the coal injected into the initial combustion furnace used.
  • the coal-fired power plant adopts pulverized coal combustion method.
  • the pulverized coal combustion furnace is pulverized finely to make 80% or less of the coal coal below 74 ⁇ m and injected by air into the combustion furnace to burn it.
  • more than 80% of coal ash is discharged to the fly ash, and more than 65% of the fly ash discharged is known to be fine particles of 10 ⁇ m or less.
  • the pulverized coal In the finely divided state, the pulverized coal is burned and discharged from the boiler together with the exhaust gas and collected at the bottom of the dust collector.
  • the collected coal ash is called fly ash (75-90%), and the ash or large particles falling at the bottom of the boiler are Is called bottom ash (10-25%).
  • the bottom ash (B / A) is usually crushed by a grinder and mixed with the fly ash (F / A), and then transferred to a ash processing plant and then landfilled.
  • Ash used in the present invention as a secondary role of the cement to fill the pores of the cement to increase the workability and the effect of increasing the strength by combining with the unreacted material CaO generated during the hydration reaction of cement.
  • the ash may be used as fly ash, bottom ash, bentonite, silica fume or a mixture thereof, and they may be used in an amount of 30 to 70 parts by weight based on 100 parts by weight of cement. If the ash content is less than 30 parts by weight, sufficient strength cannot be obtained. If the ash content is more than 70 parts by weight, there is a problem in workability, which is not preferable.
  • polymer additive one consisting of a water reducing agent, a dispersing agent, cellulose, and a polyvinyl alcohol may be used. These polymer additives play a role of stabilizing the fine ocher particles during the coagulation process. Such polymer additives may be used in an amount of 0.1 to 5 parts by weight with respect to 100 parts by weight of cement. If the content is less than 0.1 parts by weight, it is difficult to expect the efficacy. It is not desirable to have a problem to lose.
  • a type of polymer additive may be added to the water reducing agent, the nature and role of this water reducing agent is as follows.
  • the water-reducing agent according to the present invention promotes solidification properties of the cement and improves the fluidity of the particles by dispersing the cement particles due to the surface-active action, thereby reducing the amount of water used, smooth operation and strength of the material. Can increase.
  • a high performance AE water reducing agent which is generally used as a water reducing agent is used.
  • free water in the yellow clay brick is frozen by entraining the microbubbles of the ocher brick according to the present invention, absorption and relaxation of water pressure and movement of the free water are possible. This significantly improves the durability against freeze-thawing and significantly reduces the amount of water used.
  • Such a water reducing agent may be used in an amount of 0.5 to 10 parts by weight based on 100 parts by weight of water, and if the content is less than 0.5 parts by weight, sufficient solidification does not occur. It is not preferable because various obstacles occur, such as reducing the compressive strength and preventing the stabilization of the ash.
  • the inorganic additives may further participate in the ocher mixture forming step.
  • the inorganic additive may be at least one selected from the group consisting of aluminum sulfate, ferrous sulfate, ferric sulfate, and ferric chloride.
  • the ocher brick according to the present invention uses the polymer additive or the inorganic additive (hereinafter, may be abbreviated as "additive”) in order to have sufficient durability, that is, strength as a building material, without undergoing a firing process.
  • additives solidify components such as ash and loess through a pozzolanic reaction that reacts with calcium hydroxide produced by cement hydration to form calcium silicate hydrate. Therefore, it exhibits sufficient coagulation force without having to undergo a separate firing process to have sufficient strength required as a building material. As the sintering process becomes unnecessary, the fuel required for sintering is unnecessary, which increases energy saving effect. In addition, it is possible to prevent the reduction of the far-infrared generation amount of the loess and to preserve the overall physical properties of the loess. .
  • the concentration of the additive aqueous solution can be easily controlled the coagulation reaction rate, has a wide reaction temperature range compared to the conventional material, can be easily used in high temperature, high humidity, cold paper and the like.
  • Such an inorganic additive may be used in an amount of preferably 0 to 30 parts by weight with respect to 100 parts by weight of water, and if the content exceeds 30 parts by weight, it is not preferable because it inhibits brick forming.
  • sand or a sand substitute material (bonamsa, roadmite, etc.), cement, ash, and a polymer additive are prepared together with the classified loess and dry mixed using an industrial mixer suitable for powder mixing.
  • 100 to 400 parts by weight of yellow clay, 80 to 200 parts by weight of sand, 30 to 70 parts by weight of ash, 0.1 to 5 parts by weight of polymer additives are added to the mixer, and they are mixed for 3 to 5 minutes.
  • the mixer is operated to a degree to obtain a dry mixture.
  • An appropriate amount of water is poured into it to form an ocher mixture. This process may be followed by dry mixing as above, followed by pouring water, but may also be combined with sand, cement, ash, polymer additives and water together with the classified ocher to form an ocher mixture.
  • the ocher mixture is then subjected to a brick forming process, and the ocher mixture is put into a brick forming mold and pressurized at a predetermined pressure, for example, 100 kg / cm 2, to extrude into a brick to form an ocher brick and not overlap each other. Will be loaded.
  • the molded ocher brick is subjected to a drying process, preferably at room temperature in the shade.
  • This drying process may be carried out under different conditions depending on the size of the molded brick, conditions such as ambient temperature and humidity, it is preferable to dry at room temperature in the shade as possible to avoid cracks, the surface and the interior of the ocher brick It is good to dry evenly.
  • the drying time varies depending on climatic conditions, but preferably about 28 to 30 days of drying.
  • the ocher brick obtained through such a drying process has a standard strength of more than 80 kg / cm 2 without firing or glazing at high temperature as in the conventional brick manufacturing process.
  • High quality ocher was filtered through a sieve having a size of 50 mesh to 150 mesh, and dried at room temperature to prepare an ocher powder.
  • the obtained dough was put in a brick forming mold and pressed at a pressure of 100 kg / cm 2 to extrude into a brick shape, and then they were alternately stacked at intervals of 7 cm.
  • the molded brick was dried for 28 days in a well-ventilated place to produce the desired ocher brick.
  • High quality ocher was filtered through a sieve having a size of 50 mesh to 150 mesh, and dried at room temperature to prepare an ocher powder.
  • the obtained dough was put in a brick forming mold and pressed at a pressure of 100 kg / cm 2 to extrude into a brick shape, and then they were alternately loaded at intervals of 7 cm.
  • the molded brick was dried for 28 days in a well-ventilated place to produce the desired ocher brick.
  • Example 1 The molded brick extruded in Example 1 was cured with steam (water vapor) at about 100 ° C. for 1 day, and then dried for 30 days in a well-ventilated place to prepare a desired ocher brick.
  • steam water vapor
  • the ocher brick samples prepared by the method of Examples 1 to 3 were respectively taken, and the compressive strength and water absorption were measured. The results are shown in Table 1 below, and the clay brick test items of the KS standard (KSL 4201) are shown as controls. It was.
  • Examples 1 to 3 of Table 1 were measured according to the KS standard (KSL 4201), and the strength of the produced bricks belongs to two types, which is enough to obtain a strength corresponding to one type by using process improvement. , The water absorption rate meets all one criteria.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

La présente invention concerne des briques de loess non cuites et un procédé de fabrication de celles-ci, et plus particulièrement, des briques de loess non cuites et un procédé de fabrication de celles-ci comprenant les étapes qui consistent : à préparer un loess présentant une teneur en humidité inférieure à 10 % en poids; à ajouter du sable, du ciment, des cendres, un additif polymère, un additif inorganique et de l'eau au loess et à mélanger la substance obtenue afin d'obtenir un mélange de loess; et à mouler le mélange de loess afin d'obtenir une forme et à sécher la forme. Les briques de loess fabriquées sans procédé de cuisson selon la présente invention présentent des textures, des couleurs et des résistances identiques à celles des briques de loess cuites classiques. En outre, les briques de loess de la présente invention présentent des avantages caractérisés en ce qu'elles permettent de réaliser des économies d'énergie étant donné que leur fabrication n'implique pas de procédé de cuisson, et en ce qu'elles présentent des fonctions de régulation de température et d'humidité non présentes dans les briques cuites classiques.
PCT/KR2009/003263 2008-06-19 2009-06-18 Procédé de fabrication de briques de loess non cuites et brique de loess fabriqué selon ledit procédé WO2009154405A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0057574 2008-06-19
KR20080057574A KR100941912B1 (ko) 2008-06-19 2008-06-19 비소성 황토벽돌의 제조방법

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WO2009154405A2 true WO2009154405A2 (fr) 2009-12-23
WO2009154405A3 WO2009154405A3 (fr) 2010-03-25

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KR (1) KR100941912B1 (fr)
RU (1) RU2011101783A (fr)
WO (1) WO2009154405A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013026071A1 (fr) * 2011-08-17 2013-02-21 Trung Hau Machinery Manufacturing And New Materials Production Joint Stock Company Procédé de production d'une brique synthétique en polymère minéral
WO2016045492A1 (fr) * 2014-09-24 2016-03-31 深圳航天科技创新研究院 Nouveau matériau de ciment géologique pour solidifier des cendres d'incinération radioactives et son procédé de solidification

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101259383B1 (ko) 2010-06-14 2013-04-30 주식회사브릭필드 백화 방지용 시멘트 조성물
KR101069808B1 (ko) 2010-09-16 2011-10-04 임수경 황토 벽돌
KR101417336B1 (ko) * 2012-09-12 2014-07-10 정인호 천연바인더를 이용한 비소성 황토타일 및 그 제조방법
KR101304576B1 (ko) * 2013-05-27 2013-09-05 이상우 황토를 함유하는 타일의 제조방법 및 이로부터 제조된 타일
CN103833290B (zh) * 2014-03-26 2016-02-03 河北联合大学 利用发泡水泥废料制备的免烧砖及其制备方法

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KR100632253B1 (ko) * 2006-03-06 2006-10-11 석성기업주식회사 건축자재용 황토조성물과 이를 이용한 건축자재
KR100726671B1 (ko) * 2005-01-18 2007-06-12 유한태 황토 식생블록 제조방법
KR100807243B1 (ko) * 2007-06-28 2008-02-28 임세규 황토를 주제로한 토목건축용 소재조성물
KR100809446B1 (ko) * 2006-10-12 2008-03-06 (주)나노테크 황토를 이용한 건축재 제조방법

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KR100726671B1 (ko) * 2005-01-18 2007-06-12 유한태 황토 식생블록 제조방법
KR100632253B1 (ko) * 2006-03-06 2006-10-11 석성기업주식회사 건축자재용 황토조성물과 이를 이용한 건축자재
KR100809446B1 (ko) * 2006-10-12 2008-03-06 (주)나노테크 황토를 이용한 건축재 제조방법
KR100807243B1 (ko) * 2007-06-28 2008-02-28 임세규 황토를 주제로한 토목건축용 소재조성물

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013026071A1 (fr) * 2011-08-17 2013-02-21 Trung Hau Machinery Manufacturing And New Materials Production Joint Stock Company Procédé de production d'une brique synthétique en polymère minéral
WO2016045492A1 (fr) * 2014-09-24 2016-03-31 深圳航天科技创新研究院 Nouveau matériau de ciment géologique pour solidifier des cendres d'incinération radioactives et son procédé de solidification

Also Published As

Publication number Publication date
KR20090131692A (ko) 2009-12-30
WO2009154405A3 (fr) 2010-03-25
KR100941912B1 (ko) 2010-02-11
RU2011101783A (ru) 2012-07-27

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