CN102093007A - Silica sand powder-doped concrete light-weight building block novel walling material and preparation method thereof - Google Patents

Silica sand powder-doped concrete light-weight building block novel walling material and preparation method thereof Download PDF

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Publication number
CN102093007A
CN102093007A CN2011100024680A CN201110002468A CN102093007A CN 102093007 A CN102093007 A CN 102093007A CN 2011100024680 A CN2011100024680 A CN 2011100024680A CN 201110002468 A CN201110002468 A CN 201110002468A CN 102093007 A CN102093007 A CN 102093007A
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CN
China
Prior art keywords
silica flour
building block
concrete light
haydite
water
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CN2011100024680A
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CN102093007B (en
Inventor
宋震峰
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Zhongshan Jianhua Wall Materials Co., Ltd.
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WALL MATERIAL BRANCH OF ZHONGSHAN JIANHUA CONCRETE PILE CO Ltd
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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
    • C04B28/02—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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a silica sand powder-doped concrete light-weight building block novel walling material and a preparation method thereof. The walling material is prepared from cementing materials, haydites, boiler slag, water and silica sand. The preparation method comprises the following steps: drying and milling building sand or crushed quartzite, of which the content of silicon dioxide is greater than 90%, to obtain silica sand powder of which the specific area is 400-500 m<2>/kg; proportionally adding the silica sand powder, cementing materials, haydites, boiler slag and water into a forced mixer, and evenly mixing; and evenly filling the mixture in a die, carrying out extrusion forming, carrying out natural curing or atmospheric steam curing, and curing at 175-190 DEG C under high pressure for 2-6 hours, thereby obtaining the walling material. The product disclosed by the invention has the advantages of abundant sources of raw materials, low energy consumption in production, lower production cost, light weight, high strength, low shrinkage, no cracking, seepage resistance, water resistance and no toxicity or harm. The invention can treat industrial residues and sludge, thereby changing wastes into valuable substances and being beneficial to improving the environmental pollution.

Description

Mix concrete light building block novel wall material of silica flour and preparation method thereof
Technical field
The present invention relates to a kind of concrete light building block novel wall material of mixing silica flour, the invention still further relates to a kind of above-mentioned method of mixing the concrete light building block novel wall material of silica flour for preparing.
Background technology
In the prior art, producing concrete lightweight wall material generally all is to adopt cement, lime, sand or flyash, gypsum, aluminium powder etc. to be made, and these concrete lightweight wall material intensity generally are lower than 5Mpa, and water-absorbent is strong, hanging force deficiency, production cost are higher relatively.
Summary of the invention
The objective of the invention is provides a kind of and can make full use of industrial residue in order to overcome weak point of the prior art, the concrete light building block novel wall material of mixing silica flour that production cost is relatively low;
Another object of the present invention provides a kind of above-mentioned method of mixing the concrete light building block novel wall material of silica flour for preparing.
In order to achieve the above object, the present invention adopts following scheme:
A kind of concrete light building block novel wall material of mixing silica flour, it is characterized in that forming, wherein by weight described gelling material: mine tailing: haydite: boiler slag: water: silica flour 1: 1～2.6: 1.3～3.4: 1.5～3.5: 0.3～0.5: 0.11～0.43 by gelling material, haydite, boiler slag, water and silica flour.
The aforesaid concrete light building block novel wall material of mixing silica flour is characterized in that described gelling material is a flyash.
The aforesaid concrete light building block novel wall material of mixing silica flour is characterized in that described gelling material is silicate cement or the ordinary Portland cement more than 32.5 grades.
The present invention prepares the aforesaid method of mixing the concrete light building block novel wall material of silica flour of power, it is characterized in that may further comprise the steps:
A, reach specific surface area 400-500m greater than 90% building sand or quartzite drying, the grinding after the fragmentation with dioxide-containing silica 2The silica flour of/kg;
B, with above-mentioned silica flour and gelling material, haydite, boiler slag, water, in 0.11～0.43: 1: 1～2.6: 1.3～3.4: 1.5～3.5: 0.3～0.5 ratio adds together in the stirrer of forced action type and stirs;
C, in mould, evenly be covered with material, by extrusion molding, behind natural curing or the atmospheric steam curing, again at 175 ℃ of-190 ℃ of following high-pressure curing 2-6 hours, promptly.
Aforesaid method is characterized in that silica flour described in the step B and gelling material, haydite, boiler slag, water churning time in the stirrer of forced action type is 180S～240s.
Aforesaid method, the temperature that it is characterized in that the atmospheric steam curing described in the step C is 60～80 ℃, the time is 1～3 hour.
In sum, beneficial effect of the present invention:
One. the employed boiler slag of the inventive method source is sufficient, because a kind of waste residue of slag boiler emission when being the fuel-burning power plant generating can economize on resources after using, turns waste into wealth, so the source is sufficient.
Two. silica flour can form with general river sand or quartz sand grinding, and river sand or the easy grinding of quartz sand.Because but admixture silica flour equivalent replaces cement, save cement consumption greatly, reduce hydration heat, reduce thermal stress and the concrete crack of causing; Improve the microtexture of cement slurry, increased the concrete density, thereby improved concrete strength and weather resistance, make its materials for wall from heavy and light, prolong work-ing life, and mechanical property is being much higher than aerated concrete wall material aspect resistance to compression and the hanging force, has good economic and social benefit.
Three. the price of cement generally surpasses 400 yuan/ton at present, and the cost value of silica flour is about 140 yuan/ton, and silica flour of the present invention can replace 10～40% cement, effectively reduces cost.Gas concrete generally will use 42.5 class g cements, and 32.5 class g cements are generally used in the lightweight ceramisite concrete building block, from and reduced cost.
Embodiment
Below in conjunction with embodiment the present invention is described further:
Embodiment 1
Production specification is the haydite entity brick of 390 * 190 * 190 (mm), promptly mixes the concrete light building block novel wall material of silica flour.Dioxide-containing silica is reached specific surface area 400m greater than 90% building sand drying, grinding 2The silica flour of/kg;
With above-mentioned silica flour and the silicate cement more than 32.5 grades, haydite, boiler slag, water, in 0.11: 1: 1: 1.3: 1.55: 0.3 ratio adds together in the stirrer of forced action type and stirs 180s, and it is mixed;
The material that stirs is fed in the haydite entity bricks die of cleaning out, by extrusion molding, by natural curing after 3 hours, it is 175 ℃ in temperature again, pressure is the high-pressure curing 2 hours of 0.9Mpa, that is, the ultimate compression strength of mixing the concrete light building block novel wall material of silica flour after tested in the present embodiment is 7.4Mpa, the 5.0Mpa of overgauge intensity.
Embodiment 2
Production specification is the haydite entity brick of 390 * 140 * 190 (mm), promptly mixes the concrete light building block novel wall material of silica flour.Quartzite drying, the grinding of dioxide-containing silica after greater than 90% fragmentation reached specific surface area 500m 2The silica flour of/kg;
With above-mentioned silica flour and ordinary Portland cement, haydite, boiler slag, water, in 0.43: 1: 2.6: 3.4: 3.5: 0.5 ratio adds together in the stirrer of forced action type and stirred 240 seconds, and it is mixed;
The material that stirs is fed in the haydite entity bricks die of cleaning out, by extrusion molding, carrying out temperature is 80 ℃, behind the atmospheric steam curing 2.0 hours, be 190 ℃ in temperature again, pressure is the high-pressure curing 6 hours of 1.25Mpa, promptly, the ultimate compression strength of mixing the concrete light building block novel wall material of silica flour after tested in the present embodiment is 8.3Mpa, the 5.0Mpa of overgauge intensity.
Embodiment 3
Production specification is the haydite entity brick of 390 * 115 * 190 (mm), promptly mixes the concrete light building block novel wall material of silica flour.Dioxide-containing silica is reached specific surface area 450m greater than 90% building sand drying, grinding 2The silica flour of/kg;
With above-mentioned silica flour and flyash, haydite, boiler slag, water, in 0.25: 1: 1.8: 2.3: 2.7: 0.4 ratio adds together in the stirrer of forced action type and stirred 240 seconds, and it is mixed;
In clearly that the material feeding reason that stirs is the clean haydite entity bricks die, by extrusion molding, carrying out temperature is 60 ℃, behind the atmospheric steam curing 1.0 hours, again under 180 ℃, pressure is the high-pressure curing 3 hours of 1.1Mpa, promptly, the ultimate compression strength of mixing the concrete light building block novel wall material of silica flour after tested in the present embodiment is 8.9Mpa, the 5.0Mpa of overgauge intensity.
Embodiment 4
Production specification is the haydite entity brick of 390 * 90 * 190 (mm), promptly mixes the concrete light building block novel wall material of silica flour.Quartzite drying, the grinding of dioxide-containing silica after greater than 90% fragmentation reached specific surface area 480m 2The silica flour of/kg;
With above-mentioned silica flour and the silicate cement more than 32.5 grades, haydite, boiler slag, water, in 0.18: 1: 2.2: 1.5: 3.2: 0.35 ratio adds together in the stirrer of forced action type and stirred 240 seconds, and it is mixed;
The material that stirs is fed in the haydite entity bricks die of cleaning out, by extrusion molding, carrying out temperature is 70 ℃, behind the atmospheric steam curing 3.0 hours, again under 185 ℃, pressure is the high-pressure curing 4 hours of 1.15Mpa, promptly, the ultimate compression strength of mixing the concrete light building block novel wall material of silica flour after tested in the present embodiment is 11.6Mpa, the 5.0Mpa of overgauge intensity.
Embodiment 5
Production specification is the haydite entity brick of 390 * 190 * 190 (mm), promptly mixes the concrete light building block novel wall material of silica flour.Dioxide-containing silica is reached specific surface area 500m greater than 90% building sand drying, grinding 2The silica flour of/kg;
With above-mentioned silica flour and the silicate cement more than 32.5 grades, haydite, boiler slag, water, in 0.36: 1: 1.5: 3.2: 1.9: 0.45 ratio adds together in the stirrer of forced action type and stirred 180 seconds, and it is mixed;
The material that stirs is fed in the haydite entity bricks die of cleaning out, by extrusion molding, carrying out temperature is 75 ℃, behind the atmospheric steam curing 2.5 hours, again under 175 ℃, pressure is the high-pressure curing 5 hours of 0.9Mpa, promptly, the ultimate compression strength of mixing the concrete light building block novel wall material of silica flour after tested in the present embodiment is 13.0Mpa, the 5.0Mpa of overgauge intensity.
Embodiment 6
Production specification is the haydite entity brick of 390 * 115 * 53 (mm), promptly mixes the concrete light building block novel wall material of silica flour.Quartzite drying, the grinding of dioxide-containing silica after greater than 90% fragmentation reached specific surface area 400m 2The silica flour of/kg;
With above-mentioned silica flour and ordinary Portland cement, haydite, boiler slag, water, in 0.41: 1: 1.6: 2.7: 2.4: 0.38 ratio adds together in the stirrer of forced action type and stirred 240 seconds, and it is mixed;
The material that stirs is fed in the haydite entity bricks die of cleaning out, by extrusion molding, carrying out temperature is 65 ℃, behind the atmospheric steam curing 3 hours, again under 180 ℃, pressure is the high-pressure curing 3 hours of 1.1Mpa, promptly, the ultimate compression strength of mixing the concrete light building block novel wall material of silica flour after tested in the present embodiment is 12.7Mpa, the 5.0Mpa of overgauge intensity.

Claims (6)

1. concrete light building block novel wall material of mixing silica flour, it is characterized in that forming, wherein by weight described gelling material: mine tailing: haydite: boiler slag: water: silica flour 1: 1～2.6: 1.3～3.4: 1.5～3.5: 0.3～0.5: 0.11～0.43 by gelling material, haydite, boiler slag, water and silica flour.
2. the concrete light building block novel wall material of mixing silica flour according to claim 1 is characterized in that described gelling material is a flyash.
3. the concrete light building block novel wall material of mixing silica flour according to claim 1 is characterized in that described gelling material is silicate cement or the ordinary Portland cement more than 32.5 grades.
4. one kind prepares claim 1 or 2 or 3 described methods of mixing the concrete light building block novel wall material of silica flour, it is characterized in that may further comprise the steps:
A, reach specific surface area 400-500m greater than 90% building sand or quartzite drying, the grinding after the fragmentation with dioxide-containing silica 2The silica flour of/kg;
B, with above-mentioned silica flour and gelling material, haydite, boiler slag, water, in 0.11～0.43: 1: 1～2.6: 1.3～3.4: 1.5～3.5: 0.3～0.5 ratio adds together in the stirrer of forced action type and stirs;
C, in mould, evenly be covered with material, by extrusion molding, behind natural curing or the atmospheric steam curing, again at 175 ℃ of-190 ℃ of following high-pressure curing 2-6 hours, promptly.
5. method according to claim 4 is characterized in that silica flour described in the step B and gelling material, haydite, boiler slag, water churning time in the stirrer of forced action type is 180～240s.
6. method according to claim 4, the temperature that it is characterized in that the atmospheric steam curing described in the step C is 60～80 ℃, the time is 1～3 hour.
CN2011100024680A 2011-01-07 2011-01-07 Silica sand powder-doped concrete light-weight building block novel walling material and preparation method thereof Expired - Fee Related CN102093007B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358688A (en) * 2011-08-23 2012-02-22 马鞍山科达机电有限公司 Lightweight high-strength press molding block, and production method thereof
CN104556870A (en) * 2014-12-26 2015-04-29 泉州建华管桩有限公司 Marble powder high-strength concrete
CN106380115A (en) * 2016-08-30 2017-02-08 贵州安顺家喻新型材料股份有限公司 Novel eco-friendly brick and preparation method thereof
CN109734357A (en) * 2019-02-26 2019-05-10 广西鼎康科技股份有限公司 A kind of insulation board and preparation method thereof that anti-static effect is good

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH02116683A (en) * 1988-10-26 1990-05-01 Matsushita Electric Works Ltd Production of fiber cement board
CN1359872A (en) * 2002-01-26 2002-07-24 李文和 Method for making light-weight concrete partition mechanically from industrial cinder and haydites
CN101337799A (en) * 2008-08-05 2009-01-07 吴秋森 Light wall board for partition of buildings and method for preparing same
CN101781919A (en) * 2010-01-29 2010-07-21 施富贤 Low heat conduction light heat insulating silica brick

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02116683A (en) * 1988-10-26 1990-05-01 Matsushita Electric Works Ltd Production of fiber cement board
CN1359872A (en) * 2002-01-26 2002-07-24 李文和 Method for making light-weight concrete partition mechanically from industrial cinder and haydites
CN101337799A (en) * 2008-08-05 2009-01-07 吴秋森 Light wall board for partition of buildings and method for preparing same
CN101781919A (en) * 2010-01-29 2010-07-21 施富贤 Low heat conduction light heat insulating silica brick

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《新型建筑材料》 19951231 孙延文; 韩启诚; 郑世扬; 于莎莎 水泥-石灰-硅砂加气混凝土的研制与生产 17-19 1-5 , 第12期 2 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358688A (en) * 2011-08-23 2012-02-22 马鞍山科达机电有限公司 Lightweight high-strength press molding block, and production method thereof
CN102358688B (en) * 2011-08-23 2013-06-26 安徽科达机电有限公司 Lightweight high-strength press molding block, and production method thereof
CN104556870A (en) * 2014-12-26 2015-04-29 泉州建华管桩有限公司 Marble powder high-strength concrete
CN106380115A (en) * 2016-08-30 2017-02-08 贵州安顺家喻新型材料股份有限公司 Novel eco-friendly brick and preparation method thereof
CN106380115B (en) * 2016-08-30 2018-12-04 贵州安顺家喻新型材料股份有限公司 A kind of environmental protection brick and preparation method thereof
CN109734357A (en) * 2019-02-26 2019-05-10 广西鼎康科技股份有限公司 A kind of insulation board and preparation method thereof that anti-static effect is good

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