CN103332949A - High-strength aerated concrete block and preparation method thereof - Google Patents

High-strength aerated concrete block and preparation method thereof Download PDF

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Publication number
CN103332949A
CN103332949A CN201310208966XA CN201310208966A CN103332949A CN 103332949 A CN103332949 A CN 103332949A CN 201310208966X A CN201310208966X A CN 201310208966XA CN 201310208966 A CN201310208966 A CN 201310208966A CN 103332949 A CN103332949 A CN 103332949A
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parts
minute
building block
stirred
cement
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CN201310208966XA
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Chinese (zh)
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CN103332949B (en
Inventor
梅树田
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Yueyang rich and strong concrete Co., Ltd.
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TONGLING FENGZE BUILDING MATERIALS TECHNOLOGY Co Ltd
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Priority to CN201310208966.XA priority Critical patent/CN103332949B/en
Publication of CN103332949A publication Critical patent/CN103332949A/en
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Publication of CN103332949B publication Critical patent/CN103332949B/en
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Abstract

The invention relates to a high-strength aerated concrete block and a preparation method thereof. The high-strength aerated concrete block is prepared by the following raw materials by weight: 25-30 parts of cement, 10-15 parts of quicklime, 12-15 parts of gypsum, 0.15-0.2 part of aluminum powder, 10-15 parts of propylene glycol, 3-5 parts of a polycarboxylate water reducing agent, 12-15 parts of saw dust,5-8 parts of oil residues, 3-5 parts of branch powder, 5-8 parts of clay, 3-5 parts of sodium persulfate, 30-35 parts of gravels and 4-6 parts of 3-aminopropyl trimethoxysilane. Cement consumption in the high-strength aerated concrete block is relatively large, and the polycarboxylate water reducing agent and the gravels are added, so that compressive strength of the block is obviously enhanced, thereby meeting actual production requirements.

Description

High strength air-entrained concrete building block and preparation method thereof
Technical field
The invention belongs to a kind of building material technique, specifically is a kind of concrete segment and preparation method thereof.
Background technology
Novel wall material gas concrete is as New Building Materials a kind of less energy-consumption, environment-friendly type, belong to the material of construction that country promotes, but because common gas concrete is made by cement, flyash, unslaked lime, gypsum etc., have that drying shrinkage value is big, intensity is low, infiltration, not corrosion-resistant, problem such as thermal insulation is not good, material source is single, therefore, urgent need is further studied for the air-entrained concrete building block technology, makes further to satisfy the requirement in market.
Summary of the invention
The purpose of this invention is to provide high strength air-entrained concrete building block and preparation method thereof, to solve the not high problem of intensity that present air-entrained concrete building block exists.
Technical solution of the present invention is as follows:
A kind of high strength air-entrained concrete building block is characterized in that being made by the raw material of following weight part: cement 25-30, unslaked lime 10-15, gypsum 12-15, aluminium powder 0.15-0.2, polyvinyl alcohol 10-15, polycarboxylate water-reducer 3-5, sawdust 12-15, oil foot 5-8, branch powder 3-5, clay 5-8, Sodium Persulfate 3-5, stone chippings 30-35,3-aminopropyl trimethoxysilane 4-6.
The preparation method of described high strength air-entrained concrete building block is characterized in that may further comprise the steps:
(1), sawdust, branch powder, clay are added suitable quantity of water, be heated to 80-90 ℃, stirred 20-30 minute, add oil foot, polyvinyl alcohol, stirred 15-25 minute, and added Sodium Persulfate then, stir after 30-45 minute, add the 3-aminopropyl trimethoxysilane and stirred 20-30 minute, stir into mud;
(2), cement, gypsum are added 90-100 ℃ of hot water mixing 15-25 minute, then, other materials such as the mud of adding step (1) gained and unslaked lime, aluminium powder, stone chippings, polycarboxylate water-reducer stirred 10-15 minute, obtained the slurry that water content is 30-35%;
(3), with slurry cast, send in the 40-60 ℃ of drying room after precuring 1.5-2.5 hour, cut into the building block base, be coated with the last layer dimethyl silicone oil at the outer wall of building block base;
(4), steam press maintenance in the still is sent in building block, vapor pressure 1-1.3Mpa, the steam-cured time 6-8.0h of constant voltage gets finished product.
The air-entrained concrete building block that the present invention produces, wherein adopt the oil foot composition, through the initiator modification, increased the hydrophobicity of building block, improved its infiltration ability greatly, building block of the present invention body of wall outside the residential quarter uses, last more than 3 years, do not find the wall leakage phenomenon, and adopt traditional air-entrained concrete building block that all have resident family infiltration to occur annual spring.Adopt among the present invention cement amount big, increased polycarboxylate water-reducer and stone chippings, obviously improved the ultimate compression strength of building block, satisfy needs of production.
The air-entrained concrete building block that the present invention produces has advantages such as ultimate compression strength height, light weight, sound insulation, heat insulation, good heat preservation performance, anti-freezing property and contraction thereof be little, has solved traditional air-entrained concrete building block intensity defective low, easy to crack.
Embodiment
A kind of high strength air-entrained concrete building block is made by the raw material of following weight part (kilogram): cement 25, unslaked lime 10, gypsum 15, aluminium powder 0.2, polyvinyl alcohol 15, polycarboxylate water-reducer 5, sawdust 12, oil foot 8, branch powder 5, clay 5, Sodium Persulfate 5, stone chippings 30,3-aminopropyl trimethoxysilane 4.
The preparation method of high strength air-entrained concrete building block is characterized in that may further comprise the steps:
(1), sawdust, branch powder, clay are added suitable quantity of water, be heated to 80-90 ℃, stirred 20-30 minute, add oil foot, polyvinyl alcohol, stirred 15-25 minute, and added Sodium Persulfate then, stir after 30-45 minute, add the 3-aminopropyl trimethoxysilane and stirred 20-30 minute, stir into mud;
(2), cement, gypsum are added 90-100 ℃ of hot water mixing 15-25 minute, then, other materials such as the mud of adding step (1) gained and unslaked lime, aluminium powder, stone chippings, polycarboxylate water-reducer stirred 10-15 minute, obtained the slurry that water content is 30-35%;
(3), with slurry cast, send in the 40-60 ℃ of drying room after precuring 1.5-2.5 hour, cut into the building block base, be coated with the last layer dimethyl silicone oil at the outer wall of building block base;
(4), steam press maintenance in the still is sent in building block, vapor pressure 1-1.3Mpa, the steam-cured time 6-8.0h of constant voltage gets finished product.
The cubes that the hollow brick that the present invention is produced cuts into 100mm * 100mm * 100mm carries out Performance Detection, and detected result is as follows: ultimate compression strength 6.98Mpa, shrinkage value 0.37mm/m, frost resistance loss of strength 14%.

Claims (2)

1. a high strength air-entrained concrete building block is characterized in that being made by the raw material of following weight part: cement 25-30, unslaked lime 10-15, gypsum 12-15, aluminium powder 0.15-0.2, polyvinyl alcohol 10-15, polycarboxylate water-reducer 3-5, sawdust 12-15, oil foot 5-8, branch powder 3-5, clay 5-8, Sodium Persulfate 3-5, stone chippings 30-35,3-aminopropyl trimethoxysilane 4-6.
2. the preparation method of high strength air-entrained concrete building block according to claim 1 is characterized in that may further comprise the steps:
(1), sawdust, branch powder, clay are added suitable quantity of water, be heated to 80-90 ℃, stirred 20-30 minute, add oil foot, polyvinyl alcohol, stirred 15-25 minute, and added Sodium Persulfate then, stir after 30-45 minute, add the 3-aminopropyl trimethoxysilane and stirred 20-30 minute, stir into mud;
(2), cement, gypsum are added 90-100 ℃ of hot water mixing 15-25 minute, then, other materials such as the mud of adding step (1) gained and unslaked lime, aluminium powder, stone chippings, polycarboxylate water-reducer stirred 10-15 minute, obtained the slurry that water content is 30-35%;
(3), with slurry cast, send in the 40-60 ℃ of drying room after precuring 1.5-2.5 hour, cut into the building block base, be coated with the last layer dimethyl silicone oil at the outer wall of building block base;
(4), steam press maintenance in the still is sent in building block, vapor pressure 1-1.3Mpa, the steam-cured time 6-8.0h of constant voltage gets finished product.
CN201310208966.XA 2013-05-30 2013-05-30 High-strength aerated concrete block and preparation method thereof Expired - Fee Related CN103332949B (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979911A (en) * 2014-04-16 2014-08-13 马鞍山豹龙新型建材有限公司 Stable-size aerated brick and preparation method thereof
CN103979909A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 Fireproof aerated brick and preparation method thereof
CN103979900A (en) * 2014-04-16 2014-08-13 马鞍山豹龙新型建材有限公司 High strength antibacterial aerated brick and preparation method thereof
CN103979908A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 High strength fireproof aerated brick and preparation method thereof
CN103979907A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 Lightweight high-strength aerated brick and preparation method thereof
CN103992086A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Fire and water resistant aerated brick and making method thereo f
CN103992085A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Fire, bacterium and mildew resistant aerated brick and making method thereof
CN103992083A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Grain slag-containing high-strength aerated brick and making method thereof
CN103992084A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 High-toughness aerated brick and making method thereof
CN103992091A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Light weight and high strength aerated brick and making method thereof
CN103992082A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Heatproof sound insulation aerated brick and making method thereof
CN104058703A (en) * 2014-05-29 2014-09-24 蚌埠华东石膏有限公司 Anti-crack air entrapping brick
WO2017085510A1 (en) * 2015-11-20 2017-05-26 Heriot-Watt University Construction units in form of bricks, blocks or tiles made from recyclable materials and by-products, method of making the construction units and their use

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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

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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

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979907A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 Lightweight high-strength aerated brick and preparation method thereof
CN103979909A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 Fireproof aerated brick and preparation method thereof
CN103979907B (en) * 2014-04-15 2016-02-24 徐俊云 A kind of light-high-strength aerated bricks and preparation method thereof
CN103979908A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 High strength fireproof aerated brick and preparation method thereof
CN103979911A (en) * 2014-04-16 2014-08-13 马鞍山豹龙新型建材有限公司 Stable-size aerated brick and preparation method thereof
CN103992086A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Fire and water resistant aerated brick and making method thereo f
CN103992085A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Fire, bacterium and mildew resistant aerated brick and making method thereof
CN103992083A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Grain slag-containing high-strength aerated brick and making method thereof
CN103992084A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 High-toughness aerated brick and making method thereof
CN103992091A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Light weight and high strength aerated brick and making method thereof
CN103992082A (en) * 2014-04-16 2014-08-20 马鞍山豹龙新型建材有限公司 Heatproof sound insulation aerated brick and making method thereof
CN103979911B (en) * 2014-04-16 2016-09-07 马鞍山豹龙新型建材有限公司 A kind of dimensionally stable aerated bricks and preparation method thereof
CN103979900A (en) * 2014-04-16 2014-08-13 马鞍山豹龙新型建材有限公司 High strength antibacterial aerated brick and preparation method thereof
CN103992084B (en) * 2014-04-16 2016-05-11 马鞍山豹龙新型建材有限公司 A kind of high tenacity aerated bricks and preparation method thereof
CN103979900B (en) * 2014-04-16 2016-05-11 马鞍山豹龙新型建材有限公司 Antibacterial aerated bricks of a kind of high strength and preparation method thereof
CN103992082B (en) * 2014-04-16 2016-05-11 马鞍山豹龙新型建材有限公司 A kind of heat-resistant sound-insulation aerated bricks and preparation method thereof
CN104058703B (en) * 2014-05-29 2016-03-23 蚌埠华东石膏有限公司 A kind of cracking resistance aerated bricks
CN104058703A (en) * 2014-05-29 2014-09-24 蚌埠华东石膏有限公司 Anti-crack air entrapping brick
WO2017085510A1 (en) * 2015-11-20 2017-05-26 Heriot-Watt University Construction units in form of bricks, blocks or tiles made from recyclable materials and by-products, method of making the construction units and their use
US10669205B2 (en) 2015-11-20 2020-06-02 Heriot-Watt University Construction units in form of bricks, blocks or tiles made from recyclable materials and by-products, methods of making the construction units and their use

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Inventor after: Wang Wuxing

Inventor before: Mei Shutian

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Effective date of registration: 20180321

Address after: 414000 Hunan city in Yueyang province Yueyang Tower District of Chenglingji Lake Avenue Gui Garden Pier

Patentee after: Yueyang rich and strong concrete Co., Ltd.

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

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

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: 20150401

Termination date: 20180530