CN103332915B - Lightweight air-entrained concrete building block and preparation method thereof - Google Patents

Lightweight air-entrained concrete building block and preparation method thereof Download PDF

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Publication number
CN103332915B
CN103332915B CN201310214872.3A CN201310214872A CN103332915B CN 103332915 B CN103332915 B CN 103332915B CN 201310214872 A CN201310214872 A CN 201310214872A CN 103332915 B CN103332915 B CN 103332915B
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building block
minute
add
stir
entrained concrete
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CN201310214872.3A
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CN103332915A (en
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吴福贵
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Jiangxi Exhibition Industry Building Materials Technology Co., Ltd.
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TONGLING FENGZE BUILDING MATERIALS TECHNOLOGY Co Ltd
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    • 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

Lightweight air-entrained concrete building block, is characterized in that being made up of the raw material of following weight part: cement 20-25, unslaked lime 15-20, gypsum 10-12, flyash 10-15, aluminium powder 0.2-0.3, polypropylene fibre 8-10, mineral oil 8-10, clay 5-8, plant ash 30-35, ammonium persulphate 3-5, oil foot 10-12, Starso 12-15, polyvinyl alcohol 3-5.Adopt plant ash as main raw material in the present invention, there is lightweight feature, greatly alleviate building block weight, reduce building load.

Description

Lightweight air-entrained concrete building block and preparation method thereof
Technical field
The invention belongs to a kind of building material technique, tool is a kind of concrete segment and preparation method thereof entirely.
Background technology
Novel wall material gas concrete as a kind of less energy-consumption, the New Building Materials of environment-friendly type, belong to the material of construction that country promotes, but because ordinary air-entrained concrete is made up of cement, flyash, unslaked lime, gypsum etc., there is the problems such as drying shrinkage value is large, intensity is low, infiltration, not corrosion-resistant, thermal insulation is not good, material source is single, therefore, be badly in need of air-entrained concrete building block technology is studied further, make the requirement further meeting market.
Summary of the invention
The object of this invention is to provide lightweight air-entrained concrete building block and preparation method thereof, to make air-entrained concrete building block weight lighter, reduce building load.
Technical solution of the present invention is as follows:
A kind of lightweight air-entrained concrete building block, is characterized in that being made up of the raw material of following weight part: cement 20-25, unslaked lime 15-20, gypsum 10-12, flyash 10-15, aluminium powder 0.2-0.3, polypropylene fibre 8-10, mineral oil 8-10, clay 5-8, plant ash 30-35, ammonium persulphate 3-5, oil foot 10-12, Starso 12-15, polyvinyl alcohol 3-5.
The preparation method of described lightweight air-entrained concrete building block, is characterized in that comprising the following steps:
(1), by clay, plant ash add suitable quantity of water, be heated to 90-100 DEG C, stir 5-10 minute, add oil foot, Starso, stir 25-35 minute, then add ammonium persulphate, stir after 30-45 minute, add polyvinyl alcohol, gypsum stirs 20-30 minute, stir into mud;
(2), by cement add 50-60 DEG C of hot water mixing 5-15 minute, then, add mud and unslaked lime, aluminium powder, flyash, other material of mineral wet goods of step (1) gained, stir 10-15 minute, obtain the slurry that water content is 30-35%;
(3), by slurry pour into a mould, to send in 40-60 DEG C of drying room after precuring 1.5-2.5 hour, cut into building block base, on the outer wall of building block base, be coated with last layer dimethyl silicone oil;
(4), steam press maintenance in still is sent in building block.
The air-entrained concrete building block that the present invention produces, wherein adopt oil foot composition, through initiator modification, add the hydrophobicity of building block, greatly improve its infiltration ability, building block of the present invention uses at community exterior wall, last more than 3 years, do not find wall leakage phenomenon, and adopt traditional air-entrained concrete building block, annual Jun You resident family appearance infiltration in spring.Adopt plant ash as main raw material in the present invention, there is lightweight feature, greatly alleviate building block weight, reduce building load.
The air-entrained concrete building block that the present invention produces has that ultimate compression strength is high, light weight, sound insulation, heat insulation, good heat preservation performance, anti-freezing property and the advantage such as contraction is little thereof, solves the defect that traditional air-entrained concrete building block intensity is low, easy to crack.
Embodiment
A kind of lightweight air-entrained concrete building block, is characterized in that being made up of the raw material of following weight part (kilogram): cement 20, unslaked lime 15, gypsum 12, flyash 10, aluminium powder 0.3, polypropylene fibre 10, mineral oil 8, clay 8, plant ash 35, ammonium persulphate 3, oil foot 10, Starso 15, polyvinyl alcohol 3.
The preparation method of lightweight air-entrained concrete building block, is characterized in that comprising the following steps:
(1), by clay, plant ash add suitable quantity of water, be heated to 90-100 DEG C, stir 5-10 minute, add oil foot, Starso, stir 25-35 minute, then add ammonium persulphate, stir after 30-45 minute, add polyvinyl alcohol, gypsum stirs 20-30 minute, stir into mud;
(2), by cement add 50-60 DEG C of hot water mixing 5-15 minute, then, add mud and unslaked lime, aluminium powder, flyash, other material of mineral wet goods of step (1) gained, stir 10-15 minute, obtain the slurry that water content is 30-35%;
(3), by slurry pour into a mould, to send in 40-60 DEG C of drying room after precuring 1.5-2.5 hour, cut into building block base, on the outer wall of building block base, be coated with last layer dimethyl silicone oil;
(4), steam press maintenance in still is sent in building block.
The cubes that the hollow brick that the present invention produces cuts into 100mm × 100mm × 100mm is carried out Performance Detection, and detected result is as follows: ultimate compression strength 4.98Mpa, shrinkage value 0.47mm/m, and density is 0.53, is starkly lower than traditional building block, frost resistance loss of strength 21%.

Claims (1)

1. a lightweight air-entrained concrete building block, is characterized in that being made up of the raw material of following weight part: cement 20-25, unslaked lime 15-20, gypsum 10-12, flyash 10-15, aluminium powder 0.2-0.3, polypropylene fibre 8-10, mineral oil 8-10, clay 5-8, plant ash 30-35, ammonium persulphate 3-5, oil foot 10-12, Starso 12-15, polyvinyl alcohol 3-5;
The preparation method of described lightweight air-entrained concrete building block comprises the following steps:
(1), by clay, plant ash add suitable quantity of water, be heated to 90-100 DEG C, stir 5-10 minute, add oil foot, Starso, stir 25-35 minute, then add ammonium persulphate, stir after 30-45 minute, add polyvinyl alcohol, gypsum stirs 20-30 minute, stir into mud;
(2), by cement add 50-60 DEG C of hot water mixing 5-15 minute, then, add mud and unslaked lime, aluminium powder, flyash, other material of mineral wet goods of step (1) gained, stir 10-15 minute, obtain the slurry that water content is 30-35%;
(3), by slurry pour into a mould, to send in 40-60 DEG C of drying room after precuring 1.5-2.5 hour, cut into building block base, on the outer wall of building block base, be coated with last layer dimethyl silicone oil;
(4), steam press maintenance in still is sent in building block.
CN201310214872.3A 2013-06-03 2013-06-03 Lightweight air-entrained concrete building block and preparation method thereof Active CN103332915B (en)

Priority Applications (1)

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CN201310214872.3A CN103332915B (en) 2013-06-03 2013-06-03 Lightweight air-entrained concrete building block and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201310214872.3A CN103332915B (en) 2013-06-03 2013-06-03 Lightweight air-entrained concrete building block and preparation method thereof

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CN103332915B true CN103332915B (en) 2016-03-02

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104016621A (en) * 2014-04-30 2014-09-03 枞阳县天筑新型建筑材料有限公司 Anti-cracking concrete and preparation method thereof
CN104030616B (en) * 2014-04-30 2016-08-24 枞阳县天筑新型建筑材料有限公司 A kind of anti-corrosion and high strength concrete and preparation method thereof
CN104016620A (en) * 2014-04-30 2014-09-03 枞阳县天筑新型建筑材料有限公司 Antibacterial concrete and preparation method thereof
CN104211332A (en) * 2014-08-15 2014-12-17 五河鼎顺新型建材有限公司 Polyethylene foam plastic powder-containing heat insulation wall hollow brick and making method thereof
CN105948677A (en) * 2016-06-27 2016-09-21 肥西县碧涛建材有限公司 Anti-cracking encaustic tile and production technique thereof
CN106588103A (en) * 2016-12-16 2017-04-26 侯风光 Autoclaved aerated concrete block doped with water-retaining polypropylene fiber and preparation method of autoclaved aerated concrete block

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101508593A (en) * 2009-02-25 2009-08-19 中国建筑材料科学研究总院 Ultra-light heat insulation foam concrete and uses thereof
CN101823864A (en) * 2010-04-14 2010-09-08 吴智深 Manufacturing method of aerated concrete
CN102875187A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 High-strength aerated concrete block
CN102887673A (en) * 2012-09-03 2013-01-23 蚌埠爱民汽车服务有限公司五河新型环保建材厂 Low-cost air-added brick and processing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101508593A (en) * 2009-02-25 2009-08-19 中国建筑材料科学研究总院 Ultra-light heat insulation foam concrete and uses thereof
CN101823864A (en) * 2010-04-14 2010-09-08 吴智深 Manufacturing method of aerated concrete
CN102875187A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 High-strength aerated concrete block
CN102887673A (en) * 2012-09-03 2013-01-23 蚌埠爱民汽车服务有限公司五河新型环保建材厂 Low-cost air-added brick and processing method thereof

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Effective date of registration: 20170918

Address after: 300000, Baodi, Tianjin East Ring Road and Tong Tang Road, Southeast junction, Bo Rui garden, No. 22 building, -1-603

Patentee after: Wang Yanming

Address before: 244000 Anhui province Tongling City suburb Tongdu Avenue South No. 1275

Patentee before: Tongling Fengze Building Materials Technology Co., Ltd.

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Inventor after: Wang Yanming

Inventor before: Wu Fugui

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Effective date of registration: 20180817

Address after: 342800 Xiong Wu Ting (Jiangxi peak Potato Industry Co., Ltd.), Ningdu County, Ganzhou, Jiangxi

Patentee after: Jiangxi Exhibition Industry Building Materials Technology Co., Ltd.

Address before: 300000 Tianjin Baodi District East Ring Road and Tong Tang Road intersection, 22 -1-603, Bo Rui Yuan.

Patentee before: Wang Yanming

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