CN101830035B - Method for producing novel light wall material by using micro powder containing silicon - Google Patents

Method for producing novel light wall material by using micro powder containing silicon Download PDF

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Publication number
CN101830035B
CN101830035B CN2010101810845A CN201010181084A CN101830035B CN 101830035 B CN101830035 B CN 101830035B CN 2010101810845 A CN2010101810845 A CN 2010101810845A CN 201010181084 A CN201010181084 A CN 201010181084A CN 101830035 B CN101830035 B CN 101830035B
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wall material
light wall
micro powder
silicon
cement
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CN101830035A (en
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陈芳斌
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Guangdong Jianhua Concrete Pile Co ltd
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WALL MATERIAL BRANCH OF ZHONGSHAN JIANHUA CONCRETE PILE CO Ltd
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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
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use 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)
  • Finishing Walls (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a method for producing a novel light wall material by using silicon micro powder, which comprises the steps of: a. grounding silicon micro powder into granulated silicon micro powder with the specific surface area of at least 1500 cm<2>/g, SIO2 content of more than 80% and 28d activity index of more than 70%; b. replacing 5 to 80% of Portland cement higher than 42.5 grade or common Portland cement in common subscription with the same mass of the silicon micro powder, adding together with sand, porcelain granules, high-efficiency water reducing agents, vesicants, water and 20 to 95% of cement in the common subscription in a compulsory mixer and stirring evenly; c. setting up a steel skeleton in a clean mould of light reinforced concrete wall material for buildings, and then feeding the mixed concrete into the mould; removing the mould and then carrying out the processes of vibration, grooving, finishing, natural curing or steam curing under normal pressure to obtain the light wall material. The invention has the advantages of simple process, easy manufacturing and relatively low cost.

Description

The method of the novel light wall material that micro powder containing silicon is produced
Technical field
The present invention relates to a kind of method of novel light wall material of micro powder containing silicon production.
Background technology
In the prior art, the light wall material of producing for building generally all is to adopt Binder Materials, sand, water, water reducer, blowing agent, haydite, perlite etc. to be made, wherein Binder Materials generally adopts the full cement more than 42.5 grades, after finishing, production uses steam curing, one time cost of investment is higher, set-up time in early stage is longer, adds the general more complicated all of method of the light wall material for building of existing production, has influenced the development of light wall material and and promotes.
Summary of the invention
The objective of the invention is provides a kind of technology simple, easy to process, the method for the light wall material for building that up-front investment is lower in order to overcome weak point of the prior art.
In order to achieve the above object, the present invention adopts following scheme:
The method of the novel light wall material that a kind of micro powder containing silicon is produced may further comprise the steps:
A, silicon powder is ground to surface area 〉=1500cm 2/ g, SIO 2Content is more than 80%, the silicon powder of 28d activity index 〉=70%;
5%~80% portland cement more than 42.5 grades or Portland cement in the quality replacement common prescription such as b, the above-mentioned silicon powder of employing, then with silicon powder, sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 20~95% cement to add in the forced mixer together to stir;
C, in the mould of the light wall material of cleaning out for building the reinforcement placing skeleton, again with in the concrete material that the stirs feeding mould, through vibration, system groove, wipe one's face, natural curing after the form removal, or promptly obtain light wall material behind the atmospheric steam curing.(but also steam curing)
Aforesaid micro powder containing silicon is produced the method for novel light wall material, the silicon powder described in the step b wherein, and cement, sand, haydite, water, the time that water reducer, blowing agent stir in forced mixer is 120~250 seconds.
The method of the novel light wall material that aforesaid micro powder containing silicon is produced, wherein the steam curing described in the step c is for to carry out ordinary pressure curing 3~6 hours under 50~95 ℃ temperature, natural curing 3~8 hours.
Aforesaid micro powder containing silicon is produced the method for novel light wall material, it is characterized in that described silicon powder is for when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopt dust-precipitator to collect amorphous, the pulverous silica that obtains.
In sum, beneficial effect of the present invention:
One, the employed silicon powder of the inventive method source is sufficient, because silicon powder uses is a kind of waste residue that steel mill discharges from blast furnace when smelting the pig iron or industrial silicon, can economize on resources after using, and turns waste into wealth, and alleviates environmental pollution;
Two, the easy grinding of silicon powder, cut down the consumption of energy, compare with equal full cement formula, because of its slag micropowder particle is thinner, specific area is big, concrete workability is better, improved shaping speed and production efficiency, but, saved cement consumption greatly because admixture silicon powder equivalent replaces cement, reduce the heat of hydration, reduce temperature stress and the concrete crack of causing; Improved the microstructure of cement slurry, increase the concrete density, thereby improve concrete strength and durability, make its materials for wall from heavy and light, prolong service life, mechanical property has good economic and social benefit at the light wall material for building that is much higher than full manufacture of cement aspect resistance to compression and the hanging force.
Three, the concrete that is mixed with silicon powder has that the heat of hydration is low, corrosion-resistant, good fluidity, later strength height, anti-micro, can make characteristics such as concrete interface adhesive property improvement.
Four, silicon powder is big because of dioxide-containing silica, and active strong, impervious power is strong, thereby improves early strength, reduces the structure section of product, and accelerating construction progress, the light-weight wall material of being produced are adapted to erosion-resisting seashore and moist house.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is described further:
Embodiment 1
Produce long 3200mm, thickness of slab is 90mm, and the core hole is the light wall material for building of 42mm, i.e. light lath.Silicon is little levigate to specific area 〉=2200cm 2/ g, the slag micropowder of 28d activity index 〉=70%.Wherein said silicon powder is when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopts dust-precipitator to collect amorphous, the pulverous silica that obtains.Adopt quality such as above-mentioned slag micropowder to replace in the common prescription 42.5 grades of P.II type portland cements of 10%, with sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 90% cement to add together in the forced mixer to stir 210 seconds; Wherein the volume of slag micropowder is 35Kg/m 3, cement is 315Kg/m 3, reinforcement placing skeleton in the mould of the light wall material of cleaning out for building, again with in the concrete material that the stirs feeding mould, after vibration, system groove, wipe one's face, but curing age, energy savings and product cost are shortened in natural curing after loosing core; Also can carry out temperature is 90 ℃, and atmospheric steam curing 3.5 hours, the demoulding strength after the form removal are 14.5Mpa, promptly get product of the present invention.
Embodiment 2
Produce long 3000mm, thickness of slab is 85mm, and the core hole is the light wall material for building of 42mm, i.e. light lath.Silicon powder is ground carefully to specific area 〉=3500cm 2/ g, the slag micropowder of 28d activity index 〉=85%.Wherein said silicon powder is when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopts dust-precipitator to collect amorphous, the pulverous silica that obtains.Adopt quality such as above-mentioned slag micropowder to replace in the common prescription 42.5 grades of P.II type portland cements of 35%, with sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 65% cement to add together in the forced mixer to stir 240 seconds; Wherein the volume of slag micropowder is 122.5Kg/m 3, cement is 227.5Kg/m 3, reinforcement placing skeleton in the mould of the light wall material of cleaning out for building is again with in the concrete material feeding mould that stirs, after vibration, system groove, wipe one's face, can carry out natural curing after loosing core, shorten curing age, energy savings and product cost; Also can carry out temperature is 75 ℃, and atmospheric steam curing 4.5 hours, the demoulding strength after the form removal are 13.0Mpa.Promptly get product of the present invention.
Embodiment 3
Produce long 3200mm, thickness of slab is 100mm, and the core hole is the light wall material for building of 42mm, i.e. light lath.Silicon powder is ground carefully to specific area 〉=3800cm 2/ g, the silicon powder of 28d activity index 〉=90%.Wherein said silicon powder is when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopts dust-precipitator to collect amorphous, the pulverous silica that obtains.Adopt quality such as above-mentioned silicon powder to replace in the common prescription 42.5 grades of P.II type portland cements of 50%, with sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 50% cement to add together in the forced mixer to stir 220 seconds; Wherein the volume of silicon powder is 175Kg/m 3, cement is 175Kg/m 3, reinforcement placing skeleton in the mould of the light wall material of cleaning out for building, again with in the concrete material that the stirs feeding mould, after vibration, system groove, wipe one's face, but curing age, energy savings and product cost are shortened in natural curing after loosing core; Also can carry out temperature is 65 ℃ of atmospheric steam curings 4 hours, and the demoulding strength after the form removal is 12.2Mpa.Promptly get product of the present invention.
Embodiment 4
Produce long 2450mm, thickness of slab is 85mm, and the core hole is the light wall material for building of 40mm, i.e. light lath.With silicon powder grind carefully to specific area be 4000cm 2/ g, the silicon powder of 28d activity index 〉=80%.Wherein said silicon powder is when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopts dust-precipitator to collect amorphous, the pulverous silica that obtains.Adopt quality such as above-mentioned silicon powder sand to replace in the common prescription 42.5 grades of P.II type portland cements of 65%, with sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 35% cement to add together in the forced mixer to stir 210 seconds; Wherein the volume of silicon powder is 227.5Kg/m 3, cement is 122.5Kg/m 3, reinforcement placing skeleton in the mould of the building reinforced concrete light wall material of cleaning out is again with in the concrete material feeding mould that stirs, after vibration, system groove, wipe one's face, but natural curing after loosing core is shortened curing age, energy savings and product cost; Also can carry out temperature is 80 ℃, atmospheric steam curing 3 hours, and pressure testing intensity is 9.3Mpa after the form removal.Promptly get product of the present invention.
Embodiment 5
Produce long 2430mm, thickness of slab is 85mm, and the core hole is the light wall material for building of 40mm, i.e. light lath.With silicon powder grind carefully to specific area be 4400cm 2/ g, the slag micropowder of 28d activity index 〉=95%.Wherein said silicon powder is when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopts dust-precipitator to collect amorphous, the pulverous silica that obtains.Adopt quality such as above-mentioned levigate silicon powder to replace in the common prescription 42.5 grades of P.II type portland cements of 70%, with sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 30% cement to add together in the forced mixer to stir 210 seconds; Wherein the volume of silicon powder is 245Kg/m 3, cement is 105Kg/m 3, reinforcement placing skeleton in the mould of the building reinforced concrete light wall material of cleaning out is again with in the concrete material feeding mould that stirs, after vibration, system groove, wipe one's face, but natural curing after loosing core is shortened curing age, energy savings and product cost; Also can carry out temperature is 90 ℃, atmospheric steam curing 3.5 hours, and pressure testing intensity is 11.5Mpa after the form removal.Promptly get product of the present invention.
Building reinforced concrete light wall material testing result sees the following form in the various embodiments of the present invention:
Figure GSA00000113006400061

Claims (4)

1. a micro powder containing silicon is produced the method for novel light wall material, it is characterized in that may further comprise the steps:
A, silicon powder is ground to surface area 〉=1500cm 2/ g, SiO 2Content is more than 80%, the silicon powder of 28d activity index 〉=70%;
5%~80% portland cement more than 42.5 grades or Portland cement in the quality replacement common prescription such as b, the above-mentioned silicon powder of employing, then with silicon powder, sand, haydite, high efficiency water reducing agent, blowing agent, water also have in the common prescription 20~95% cement to add in the forced mixer together to stir;
C, in the mould of the building light-weight materials for wall of cleaning out the reinforcement placing skeleton, again with in the concrete material that the stirs feeding mould, through vibration, system groove, wipe one's face, natural curing after the form removal, or promptly obtain light wall material behind the atmospheric steam curing.
2. micro powder containing silicon according to claim 1 is produced the method for novel light wall material, it is characterized in that the silicon powder described in the step b, cement, and sand, haydite, water, the time that high efficiency water reducing agent, blowing agent stir in forced mixer is 120~250 seconds.
3. micro powder containing silicon according to claim 1 is produced the method for novel light wall material, it is characterized in that the atmospheric steam curing described in the step c is to carry out ordinary pressure curing 3~6 hours under 50~95 ℃ the temperature.
4. micro powder containing silicon according to claim 1 and 2 is produced the method for novel light wall material, it is characterized in that described silicon powder is for when smelting ferrosilicon or industrial silicon, behind the steam oxidation by the flue discharge, adopt dust-precipitator to collect amorphous, the pulverous silica that obtains.
CN2010101810845A 2010-05-17 2010-05-17 Method for producing novel light wall material by using micro powder containing silicon Active CN101830035B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672806B (en) * 2012-05-08 2014-03-26 东莞市利鹏建材有限公司 Movable ceramsite mould

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JP2527294Y2 (en) * 1991-03-26 1997-02-26 三菱重工業株式会社 Fastener supply device
JP4356853B2 (en) * 2000-03-15 2009-11-04 太平洋セメント株式会社 Reinforced concrete
CN101016211B (en) * 2006-12-21 2012-03-21 武汉科技大学 Aluminum-magnesium series lightweight pouring material and manufacturing method thereof
CN101037342A (en) * 2007-02-09 2007-09-19 江苏苏嘉集团新材料有限公司 Nitride aluminum hydrolyzing combined fire-resistant material
CN100575414C (en) * 2007-09-18 2009-12-30 韩志同 Water-proof, heat-preserving and heat-insulating micro applying material for wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672806B (en) * 2012-05-08 2014-03-26 东莞市利鹏建材有限公司 Movable ceramsite mould

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