CN103723957B - A kind of energy-saving light-weight composite sand wiched wall board core material - Google Patents

A kind of energy-saving light-weight composite sand wiched wall board core material Download PDF

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Publication number
CN103723957B
CN103723957B CN201310663627.0A CN201310663627A CN103723957B CN 103723957 B CN103723957 B CN 103723957B CN 201310663627 A CN201310663627 A CN 201310663627A CN 103723957 B CN103723957 B CN 103723957B
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China
Prior art keywords
core material
water
energy
wall board
weight
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CN201310663627.0A
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Chinese (zh)
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CN103723957A (en
Inventor
方继
詹炳根
刘瑜
王静峰
周新亚
夏阳
董燕囡
李荣浩
帖磊
史纲
曹晗
胡常松
刘果
李想
张士宝
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Steel structure building Co., Ltd. of the four Bureau of China Railway
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STEEL STRUCTURE Co Ltd OF CHINA TIESIJU CIVIL ENGINEERING GROUP
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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

The invention discloses a kind of energy-saving light-weight composite sand wiched wall board, it is made according to the ratio of weight ratio 8-12:350-400:70-80:220-260:200-240:6-8:0.3-0.5 by High Impact Polystyrene (HIPS) particle, cement, modified coal ash, sand, water, water reducer, hydroxypropyl methyl cellulose ether.In the present invention, modified coal ash can be used for the replacement cement of part, not only reduces cement consumption, has saved cost, can also improve the flowing property of slurry, improve the performance such as ultimate compression strength, anti-impact force, heat insulating of core material.This core material has that energy-conserving and environment-protective, lightweight economy, intensity are high, heat insulating, sound-adsorbing sound-insulating hung, waterproof and dampproof, fire prevention, antifreeze, shockproof, increase the features such as usable floor area, life-span be long, can ensure that the intensity of sheet material reaches code requirement simultaneously, also there is the advantage such as easy construction, good processability.

Description

A kind of energy-saving light-weight composite sand wiched wall board core material
Technical field
The present invention relates to a kind of core material, be specifically related to a kind of energy-saving light-weight composite sand wiched wall board core material.
Background technology
At present, the materials for wall industry of China has started the road going on multi items development, begin to take shape the walling system based on block plate, as concrete hollow block, Thistle board, fibrocement sandwich panel etc., but the lightweight composite sand wiched wall board proportion representing the modern level of materials for wall is still very little, be less than 1% of whole materials for wall total amount, compared with industrially developed country, relatively fall behind 40-50, it is mainly manifested in core material, it is low that core material on existing market also exists intensity, insulation and sound insulation property poor, drying shrinkage produces crack, difference shortcoming.Therefore, Speeding Up The Advancement of technology and innovation, improve the quality of products, and is the task of top priority of novel wall material industry.
Summary of the invention
The object of the present invention is to provide that a kind of over-all properties meets national standard, that cost performance is high energy-saving light-weight composite sand wiched wall board core material.
The technical solution used in the present invention is as follows:
A kind of energy-saving light-weight composite sand wiched wall board core material, is made according to the ratio of weight ratio 8-12:350-400:70-80:220-260:200-240:6-8:0.3-0.5 by High Impact Polystyrene (HIPS) particle, cement, modified coal ash, sand, water, water reducer, hydroxypropyl methyl cellulose ether;
The preparation method of described modified coal ash is as follows: take flyash, diatomite, sepiolite and volcanics by weight 5-10:3-6:2-3:1-2 and mix, below powder particle diameter to 15 μm, then the slurries that concentration is 50-60% are made in the making beating that adds water, add the hydrochloric acid soln adjustment PH to 4-5 that concentration is 10-15%, heating in water bath to 70-80 DEG C, speed lapping 15-20min; Then regulate PH to neutral with the sodium hydroxide solution that concentration is 15-20%, add the tripoly phosphate sodium STPP of sodium lignosulfonate, the trolamine of 2-3%, the spent pulping liquor of 4-6%, the ethoxylated dodecyl alcohol of 2-3% and the 3-5% being equivalent to slurry weight 3-4% again, below speed lapping slurry particle diameter to 10 μm, be spray dried to powder; The sodium polyacrylate of the jade powder of 1-2%, the plant ash of 2-3%, the water glass of 3-5%, the polyvinyl alcohol of 2-3% and 1.5-2.5% is added, speed lapping 5-10min in the most backward powder;
Described water reducer is selected from the one in FDN type high efficiency water reducing agent, UNF type high efficiency water reducing agent, HM type water reducer, AF type high efficiency water reducing agent.
The preparation method of energy-saving light-weight composite sand wiched wall board core material, comprises the following steps:
(1) stir in granules of polystyrene, cement, modified coal ash, sand, water, water reducer, hydroxypropyl methyl cellulose ether raw material input high-speed mixer by above-mentioned formulation ratio, make slurry;
(2) slurry is injected mould solidifying at normal temperatures, after solidification, sheet material base substrate is without the need at high temperature drying kiln inner drying, by test specimen maintenance 3 days in template, then form removable is carried out normal temperature maintenance 28 days.
Beneficial effect of the present invention:
In the present invention, modified coal ash can be used for the replacement cement of part, not only reduces cement consumption, has saved cost, can also improve the flowing property of slurry, improve the performance such as ultimate compression strength, anti-impact force, heat insulating of core material.This core material has that energy-conserving and environment-protective, lightweight economy, intensity are high, heat insulating, sound-adsorbing sound-insulating hung, waterproof and dampproof, fire prevention, antifreeze, shockproof, increase the features such as usable floor area, life-span be long, can ensure that the intensity of sheet material reaches code requirement simultaneously, also there is easy construction, good processability, can saw, dig, follow closely, bore, glue, connect, punch indeformable, reduce the advantages such as wet trade.
Embodiment
A kind of energy-saving light-weight composite sand wiched wall board core material, is made according to the ratio of weight ratio 9:360:72:240:220:7.2:0.36 by High Impact Polystyrene (HIPS) particle, cement, modified coal ash, sand, water, UNF type high efficiency water reducing agent, hydroxypropyl methyl cellulose ether;
The preparation method of described modified coal ash is as follows: take flyash, diatomite, sepiolite and volcanics by weight 8:4:3:1 and mix, below powder particle diameter to 15 μm, then the slurries that concentration is 55% are made in the making beating that adds water, add the hydrochloric acid soln adjustment PH to 4.5 that concentration is 15%, heating in water bath to 75 DEG C, speed lapping 15min; Then regulate PH to neutral with the sodium hydroxide solution that concentration is 16%, add again be equivalent to slurry weight 3% sodium lignosulfonate, 2% trolamine, the spent pulping liquor of 5%, the ethoxylated dodecyl alcohol of 3% and 4% tripoly phosphate sodium STPP, below speed lapping slurry particle diameter to 10 μm, be spray dried to powder; Add in the most backward powder the jade powder of 1.5%, 2% plant ash, the water glass of 4%, the polyvinyl alcohol of 2% and 2% sodium polyacrylate, speed lapping 8min;
The preparation method of energy-saving light-weight composite sand wiched wall board core material, comprises the following steps:
(1) stir in granules of polystyrene, cement, modified coal ash, sand, water, water reducer, hydroxypropyl methyl cellulose ether raw material input high-speed mixer by above-mentioned formulation ratio, make slurry;
(2) slurry is injected mould solidifying at normal temperatures, after solidification, sheet material base substrate is without the need at high temperature drying kiln inner drying, by test specimen maintenance 3 days in template, then form removable is carried out normal temperature maintenance 28 days.
Experiment on flexural behavior finds: the anti-bending bearing capacity for the central layer of thickness 6mm is 2.8 times of deadweight; Anti-bending bearing capacity for the central layer of thickness 10mm is 2.4 times of deadweight, and test shows that the anti-bending bearing capacity of the energy-saving light-weight composite sand wiched wall board developed meets the requirement of 1.5 times of deadweights of JG/T169-2005 standard regulation.
Impact test finds: impact repeatedly after 5 times, central layer is intact, and core plate surface does not have crackle to occur, the intact and sign do not dropped of mortar; After impacting 25 times, there is not the through crack of width at more than 5mm in central layer two sides, not cracked.Test shows that the shock resistance of central layer developed meets the requirement of impact that JG/T169-2005 standard specifies 5 times.

Claims (3)

1. an energy-saving light-weight composite sand wiched wall board core material, is characterized in that: described core material is made according to the ratio of weight ratio 8-12:350-400:70-80:220-260:200-240:6-8:0.3-0.5 by High Impact Polystyrene (HIPS) particle, cement, modified coal ash, sand, water, water reducer, hydroxypropyl methyl cellulose ether; The preparation method of described modified coal ash is as follows: take flyash, diatomite, sepiolite and volcanics by weight 5-10:3-6:2-3:1-2 and mix, below powder particle diameter to 15 μm, then the slurries that concentration is 50-60% are made in the making beating that adds water, add the hydrochloric acid soln adjustment pH to 4-5 that concentration is 10-15%, heating in water bath to 70-80 DEG C, speed lapping 15-20min; Then regulate pH to neutral with the sodium hydroxide solution that concentration is 15-20%, add the tripoly phosphate sodium STPP of sodium lignosulfonate, the trolamine of 2-3%, the spent pulping liquor of 4-6%, the ethoxylated dodecyl alcohol of 2-3% and the 3-5% being equivalent to slurry weight 3-4% again, below speed lapping slurry particle diameter to 10 μm, be spray dried to powder; The sodium polyacrylate of the jade powder of 1-2%, the plant ash of 2-3%, the water glass of 3-5%, the polyvinyl alcohol of 2-3% and 1.5-2.5% is added, speed lapping 5-10min in the most backward powder.
2. a kind of energy-saving light-weight composite sand wiched wall board core material according to claim 1, is characterized in that: described water reducer is selected from the one in FDN type high efficiency water reducing agent, UNF type high efficiency water reducing agent, HM type water reducer, AF type high efficiency water reducing agent.
3. the preparation method of energy-saving light-weight composite sand wiched wall board core material as claimed in claim 1, is characterized in that: comprise the following steps:
(1) stir in granules of polystyrene, cement, modified coal ash, sand, water, water reducer, hydroxypropyl methyl cellulose ether raw material input high-speed mixer by above-mentioned formulation ratio, make slurry;
(2) slurry is injected mould solidifying at normal temperatures, after solidification, sheet material base substrate is without the need at high temperature drying kiln inner drying, by test specimen maintenance 3 days in template, then form removable is carried out normal temperature maintenance 28 days.
CN201310663627.0A 2013-12-10 2013-12-10 A kind of energy-saving light-weight composite sand wiched wall board core material Active CN103723957B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105271916B (en) * 2015-11-25 2017-07-14 海南大学 Waterproof reinforcing agent, water proofing property foam concrete and roof waterproof system
CN108328985A (en) * 2018-02-02 2018-07-27 四川锐泽建设工程有限公司 A kind of building partition thermal insulation board and preparation method thereof
CN111302752B (en) * 2020-03-05 2021-12-14 贵州美可斯建筑工程技术有限公司 Polystyrene particle gypsum block and processing method thereof
CN114644500A (en) * 2022-03-23 2022-06-21 福建众合开发建筑设计院有限公司 Novel light wallboard material for prefabricated building and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1127232A (en) * 1995-07-04 1996-07-24 安徽省凤台县硅酸盐砖厂 Producing method for modified powdered coal ash and cement mixing material
CN101249664A (en) * 2008-03-24 2008-08-27 华东理工大学 Preparation technology of asphalt modified coal ash fiberboard material
CN102888900A (en) * 2012-09-11 2013-01-23 宿州市皖安新型环保建材有限公司 Light heat preservation silicon and calcium compound plate
CN102887695A (en) * 2012-09-15 2013-01-23 宿州市皖安新型环保建材有限公司 Modified coal ash light calcium silicon composite board
CN102898109A (en) * 2012-09-21 2013-01-30 安徽德禾建筑节能科技有限公司 High-strength partition board containing building demolition brick rubbish
CN103011718A (en) * 2012-11-16 2013-04-03 合肥神舟建筑工程有限公司 Modified nano-sepiolite powder inorganic thermal-insulation mortar coated with plant ash and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1127232A (en) * 1995-07-04 1996-07-24 安徽省凤台县硅酸盐砖厂 Producing method for modified powdered coal ash and cement mixing material
CN101249664A (en) * 2008-03-24 2008-08-27 华东理工大学 Preparation technology of asphalt modified coal ash fiberboard material
CN102888900A (en) * 2012-09-11 2013-01-23 宿州市皖安新型环保建材有限公司 Light heat preservation silicon and calcium compound plate
CN102887695A (en) * 2012-09-15 2013-01-23 宿州市皖安新型环保建材有限公司 Modified coal ash light calcium silicon composite board
CN102898109A (en) * 2012-09-21 2013-01-30 安徽德禾建筑节能科技有限公司 High-strength partition board containing building demolition brick rubbish
CN103011718A (en) * 2012-11-16 2013-04-03 合肥神舟建筑工程有限公司 Modified nano-sepiolite powder inorganic thermal-insulation mortar coated with plant ash and preparation method thereof

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Address after: 230022 China Railway Fourth Bureau Group Steel Structure Co., Ltd. No. 388 Huanhu East Road, Hefei City, Anhui Province

Patentee after: Steel structure building Co., Ltd. of the four Bureau of China Railway

Address before: 230022 China Railway Fourth Bureau Group Steel Structure Co., Ltd. No. 388 Huanhu East Road, Hefei City, Anhui Province

Patentee before: Steel Structure Co., Ltd. of China Tiesiju Civil Engineering Group