CN101007713A - Autoclaved and aerated stone powder building blocks and its production method - Google Patents

Autoclaved and aerated stone powder building blocks and its production method Download PDF

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Publication number
CN101007713A
CN101007713A CNA2007100614234A CN200710061423A CN101007713A CN 101007713 A CN101007713 A CN 101007713A CN A2007100614234 A CNA2007100614234 A CN A2007100614234A CN 200710061423 A CN200710061423 A CN 200710061423A CN 101007713 A CN101007713 A CN 101007713A
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CN
China
Prior art keywords
powder
stone
stone flour
autoclaved
building blocks
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CNA2007100614234A
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Chinese (zh)
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CN100431996C (en
Inventor
冯景儒
徐金生
孙晓伟
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Chengde Huanda Building Material Technology Co., Ltd.
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冯景儒
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Publication date
Application filed by 冯景儒 filed Critical 冯景儒
Priority to CNB2007100614234A priority Critical patent/CN100431996C/en
Publication of CN101007713A publication Critical patent/CN101007713A/en
Application granted granted Critical
Publication of CN100431996C publication Critical patent/CN100431996C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • C04B28/18Compositions 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 mixtures of the silica-lime type
    • 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

Abstract

The invention discloses an autoclave aerating stone powder block and manufacturing method, which comprises the following steps: allocating raw material with 65-68% stone powder, 25-29% limestone powder, 5-7% mineral slag powder, 0.5% aluminium powder and 0.5% waste gypsum; adding water into stone powder to stir into slurry; casting; moulding; insulating under normal temperature for 3h; cutting into brick with certain shape and regular; culturing brick in the autoclave; decompressing; obtaining the product.

Description

Autoclaved and aerated stone powder building blocks and production method thereof
Technical field: the invention belongs to building material technical field, relate to a kind of autoclaved aerated building block specifically.
Technical background: at present, various autoclaved aerated building blocks of the prior art mainly all are the concrete segments that is made by materials such as sandstone, cement, lime-ash.And, all having every day a large amount of stone flour to produce in various processing of stone places such as marble, grouan, this stone flour had not only occupied place but also contaminate environment, was refuse worthy of the name.The invention is intended to this stone flour is developed and utilized, make stone flour derive from building materials, reduce in building materials.
Summary of the invention: the objective of the invention is, a kind of autoclaved and aerated stone powder building blocks of producing with stone flour is provided, the making method of this autoclaved and aerated stone powder building blocks is provided simultaneously.Its technical solution comprises:
A kind of autoclaved and aerated stone powder building blocks that adds is characterized in that with the stone flour being main raw material, and the weight proportion of its products material is as follows: stone flour 65-68%, calcium lime powder 25-29%, slag powders 5-7%, aluminium powder 0.5%, waste gypsum powder 0.5%.Here the cutting processing tankage powder that said stone flour is marble or grouan.
A kind of production method of aforementioned autoclaved and aerated stone powder building blocks is characterized in that: the weight proportion by products material is got material, and wherein stone flour adopts stone flour mud, is converted into the 65-68% that dry powder accounts for gross weight, finishes by following steps then:
(1) stone flour mud is crossed be sieved into material-compound tank and stir, recording stone flour slurry proportion is 1.62;
(2) calcium lime powder and slag powders, aluminium powder, the waste gypsum powder with digestion condition 〉=50 ℃ effective calcium 〉=50% drops in the material-compound tank simultaneously, goes into the mould cast molding after stirring evenly;
(3) keep at normal temperatures cutting into building block after 3 hours with definite shape and specification;
(4) autoclave is gone in building block, at 195 ℃ of temperature, pressure 13kg/cm 2Condition under thermostatic curing after 7 hours, unload and extrude still and be finished product.
The autoclaved and aerated stone powder building blocks that adopts such scheme to produce in September, 2006, detects its ultimate compression strength 3.0MPa, volume density 513kg/cm through building materials quality supervision and inspection station, Beijing 3, drying shrinkage value (standard law) 0.36mm/m, thermal conductivity (dry state) 0.13W/ (mk), freezes back intensity 2.4Mpa at the mass loss 2.4% of frost resistance.Every index all meets the index request of A2.5B05 grade salable product among the GB/T 11968-1997 " autoclave aerated concrete building block ".Meet the requirement of GB6566-2001 " the radioactive material nucleic is limited the quantity of " simultaneously, belong to sharp useless environmental protection and energy saving product.
Compared with prior art, advantage of the present invention mainly is:
(1) with the tankage utilization of waste material of various processing of stone, turns waste into wealth, both helped environment protection, can increase the economic benefit of stone material value-added content of product and building materials enterprise again.
(2) produce autoclaved aerated building block with stone flour, family has increased the newcomer for the available coagulation earth building blocks, and has more strong point than concrete segment, it is light weight, insulation, heat insulation, sound insulation, fire-retardant, antidetonation not only, but also has the advantages that can saw, can dig, can cut a hole, can follow closely as timber.This product safeguards that wall is unique materials for wall that just can reach national three phase building energy-saving standards with single-material outside doing.Especially compare with traditional solid clay brick, have more remarkable social benefit and economic benefit.
(3) directly use stone flour mud, not only water saving but also waste water carried out processing and utilizing is to achieve many things at one stroke.Because all needing with adding water during the stone material cutting is the knife saw cooling, therefore thereby make the stone flour foam become muddy, directly use the mud not only can water saving, the while be also carried out processing and utilizing with processing of stone waste water, wherein unnecessary mud water seepage can be in row utilization again when material-compound tank adds auxiliary material.Therefore adopt present method not have wastewater and waste materials substantially, except the gas that is evaporated, all dry-matteies all are bonded in the building block.
(4) as a kind of building material, its raw material sources is extensive, and is cheap, and formula for a product is scientific and reasonable, and production technology is simple relatively, and general building materials enterprise all can investment and production, therefore helps applying.
Embodiment: the present invention is elaborated below in conjunction with embodiment.
Embodiment 1, the autoclaved and aerated stone powder building blocks prescription.With the stone flour is main raw material, is aided with calcium lime powder, slag powders, aluminium powder and waste gypsum powder, and the weight proportion of its raw material is as follows: stone flour 65-68%, calcium lime powder 25-29%, slag powders 5-7%, aluminium powder 0.5%, waste gypsum powder 0.5%.Here the cutting processing tankage powder that said stone flour is marble or grouan, its granularity 200 orders; Calcium lime powder 200 states, its digestion condition needs more than 50 ℃, and effectively calcium reaches more than 50%; Slag powders 300 orders, waste gypsum powder 200 orders, aluminium powder are commercially available industrial goods.
Embodiment 2, the autoclaved and aerated stone powder building blocks screening formulation.Its feed composition and technical qualification are with embodiment 1, and the weight proportion of its raw material is as follows: stone flour 66%, calcium lime powder 27%, slag powders 6%, aluminium powder 0.5%, waste gypsum powder 0.5%.
Embodiment 3, the production method of autoclaved and aerated stone powder building blocks.Weight proportion according to the raw material of embodiment 1 or embodiment 2 is got material, and wherein stone flour adopts stone flour mud, is converted into the 65-68% that dry powder accounts for gross weight, finishes by following steps then:
(1) stone flour mud is crossed be sieved into material-compound tank and stir, or diminishing or add water, recording the stone flour mud balance is 1.62;
(2) calcium lime powder and slag powders, aluminium powder, the waste gypsum powder with digestion condition 〉=50 ℃ effective calcium 〉=50% drops in the material-compound tank simultaneously, goes into the mould cast molding after stirring evenly;
(3) keep at normal temperatures cutting into building block after 3 hours with definite shape and specification;
(4) autoclave is gone in building block, at 195 ℃ of temperature, pressure 13kg/cm 2Condition under thermostatic curing after 7 hours, unload and extrude still and be finished product.
Autoclaved and aerated stone powder building blocks provided by the invention can be widely used in the infilled wall of worker, civil building skeleton construction and non-bearing partition wall, safeguard wall and as the lagging material on roofing and ground outward.

Claims (4)

1, a kind of autoclaved and aerated stone powder building blocks is characterized in that with the stone flour being main raw material, and the weight proportion of its products material is as follows:
Stone flour 65-68%,
Calcium lime powder 25-29%,
Slag powders 5-7%,
Aluminium powder 0.5%,
Waste gypsum powder 0.5%.
2,, it is characterized in that the preferred weight proportioning of products material is according to the autoclaved and aerated stone powder building blocks of claim 1:
Stone flour 66%,
Calcium lime powder 27%,
Slag powders 6%,
Aluminium powder 0.5%,
Waste gypsum powder 0.5%.
3,, it is characterized in that said stone flour is the cutting processing tankage powder of marble or grouan according to the autoclaved and aerated stone powder building blocks of claim 1 or 2.
4, according to the production method of the autoclaved and aerated stone powder building blocks of claim 1 or 2, it is characterized in that getting material by the weight proportion of products material, wherein stone flour adopts stone flour mud, is converted into the 65-68% that dry powder accounts for gross weight, finishes by following steps then:
(1) stone flour mud is crossed be sieved into material-compound tank and stir, recording the stone flour mud balance is 1.62;
(2) calcium lime powder and slag powders, aluminium powder, the waste gypsum powder with digestion condition 〉=50 ℃ effective calcium 〉=50% drops in the material-compound tank simultaneously, goes into the mould cast molding after stirring evenly;
(3) keep at normal temperatures cutting into building block after 3 hours with definite shape and specification;
(4) autoclave is gone in building block, at 195 ℃ of temperature, pressure 13kg/cm 2Condition under thermostatic curing after 7 hours, unload and extrude still and be finished product.
CNB2007100614234A 2007-01-13 2007-01-13 Autoclaved and aerated stone powder building blocks and its production method Expired - Fee Related CN100431996C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100614234A CN100431996C (en) 2007-01-13 2007-01-13 Autoclaved and aerated stone powder building blocks and its production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100614234A CN100431996C (en) 2007-01-13 2007-01-13 Autoclaved and aerated stone powder building blocks and its production method

Publications (2)

Publication Number Publication Date
CN101007713A true CN101007713A (en) 2007-08-01
CN100431996C CN100431996C (en) 2008-11-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102167617A (en) * 2010-12-15 2011-08-31 承德环达建材科技有限公司 Autoclaved blocks prepared from tailing sand of single magnetic magnetite ore and vanadium-titanium iron ore and production method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1373103A (en) * 2001-02-28 2002-10-09 张忠明 Mixed material
CN1182066C (en) * 2003-05-21 2004-12-29 刘钟林 Baking-free and steaming-free brick for building
CN1315751C (en) * 2005-02-05 2007-05-16 泉州市建友新型墙材有限公司 Stone powder aero-concrete

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102167617A (en) * 2010-12-15 2011-08-31 承德环达建材科技有限公司 Autoclaved blocks prepared from tailing sand of single magnetic magnetite ore and vanadium-titanium iron ore and production method thereof

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Owner name: CHENGDE HUANDA BUILDING MATERIAL SCIENCE CO., LTD.

Free format text: FORMER OWNER: FENG JINGRU

Effective date: 20090731

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Effective date of registration: 20090731

Address after: A town, Chengde County, Hebei

Patentee after: Chengde Huanda Building Material Technology Co., Ltd.

Address before: Hebei County, Chengde province a Shan town government hospital

Patentee before: Feng Jingru

C41 Transfer of patent application or patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081112

Termination date: 20130113