CN105645999A - 一种水泥基膨胀珍珠岩保温板养护工艺 - Google Patents

一种水泥基膨胀珍珠岩保温板养护工艺 Download PDF

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CN105645999A
CN105645999A CN201511020742.1A CN201511020742A CN105645999A CN 105645999 A CN105645999 A CN 105645999A CN 201511020742 A CN201511020742 A CN 201511020742A CN 105645999 A CN105645999 A CN 105645999A
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maintenance
insulation board
expanded perlite
stage
accelerated
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张建波
赵宝辉
李林
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Mingyuan New Materials Technology Development Co Ltd
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Mingyuan New Materials Technology Development 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
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/02Selection of the hardening environment
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

本发明涉及一种水泥基膨胀珍珠岩保温板养护工艺,所述养护工艺由静置阶段、加速反应阶段、快速失水阶段构成,所述静置阶段为成型后的保温板在早期温度20-30℃、风量0.3-0.5m/s的条件下静置养护4-6小时;加速反应阶段为静置养护后的保温板在养护温度60℃、风量0.3-0.5m/s、时间2-4小时的条件下加速养护;快速失水阶段有两种工艺方案,其一为加速养护后的保温板在45℃、风量1.5-1.8m/s的条件下养护2-4小时快速失水;其二为加速养护后的保温板在60℃、风量1.0-1.5m/s的条件下养护2-4小时快速失水,本发明生产的板材24小时强度相比自然养护强度提高了0.1-0.2MPa,养护8-12小时即可装箱,解决了原生产工艺易受天气影响等难题。

Description

一种水泥基膨胀珍珠岩保温板养护工艺
技术领域
本发明涉及一种保温材料生产过程中的养护工艺,特别是水泥基膨胀珍珠岩保温板材的养护工艺。
背景技术
水泥基膨胀珍珠岩保温板通常采取自然晾置的方式进行养护,这不仅占用场地、降低了晾晒托板的流转速度,而且自然晾置的保温板易受天气因素影响,无法控制产品质量的稳定性。
发明内容
本发明涉及一种水泥基膨胀珍珠岩保温板养护工艺,其目的在于发明一种养护工艺,使得水泥基膨胀珍珠岩保温板的抗压强度迅速得到提高,采用该养护方案后,保温板养护8-12小时即可装箱,解决了传统水泥基膨胀珍珠岩保温板产品易受天气影响等难题,养护效果明显。
该养护工艺共分为三阶段:
1、静置阶段:成型后的水泥基膨胀珍珠岩保温板在早期温度20-30℃、风量0.3-0.5m/s的条件下静置养护4-6小时;
2、加速反应阶段:静置养护后的保温板在养护温度60℃、风量0.3-0.5m/s、时间2-4小时的条件下加速养护;
3、快速失水阶段:快速失水阶段为加速养护后的保温板在中温、快风量的条件下快速失水,该阶段可有两种不同的方案:方案一:加速养护后的保温板在45℃、风量1.5-1.8m/s的条件下养护2-4小时快速失水;方案二:加速养护后的保温板在60℃、风量1.0-1.5m/s的条件下养护2-4小时快速失水;
采用上述三段养护方案后,保温板抗压强度迅速得到提高,24小时强度相比自然养护强度提高了0.1-0.2MPa。另外,自然养护24小时的保温板一般板的强度不高,无法装箱,采用该养护方案后,保温板养护8-12小时即可装箱,加快了产品流转,解决了产品易受天气影响等难题,养护效果明显。
具体实施方式
实施例1:
配比为:采用膨胀珍珠岩1300g,42.5硅酸盐水泥700g制备保温板,压缩比为1.8,经上下挤压成型后进行养护。养护方案如下:静置阶段养护温度30℃,时间4小时,风量0.3m/s;加速反应阶段养护温度60℃,时间2小时,风量0.3m/s;快速失水阶段45℃养护2小时,风量1.5m/s。经该养护方案,保温板导热系数达到0.067w/m·k,抗压强度达到0.42MPa,抗拉强度0.11MPa,达到产品包装要求。
实施例2
配比为:采用膨胀珍珠岩1300g,42.5硅酸盐水泥600g制备保温板,压缩比为1.8,经上下挤压成型后进行养护。养护方案如下:静置阶段养护温度30℃,时间6小时,风量0.4m/s;加速反应阶段养护温度60℃,时间2小时,风量0.3m/s;快速失水阶段60℃养护2小时,风量1.0m/s。经该养护方案,保温板导热系数达到0.066w/m·k,抗压强度达到0.39MPa,抗拉强度0.10MPa,达到产品包装要求。

Claims (3)

1.一种水泥基膨胀珍珠岩保温板养护工艺,其特征在于:所述养护工艺由静置阶段、加速反应阶段、快速失水阶段构成,所述的静置阶段为成型后的水泥基膨胀珍珠岩保温板在早期温度20-30℃、风量0.3-0.5m/s的条件下静置养护4-6小时,所述的加速反应阶段为静置养护后的保温板在养护温度60℃、风量0.3-0.5m/s、时间2-4小时的条件下加速养护,快速失水阶段为加速养护后的保温板在中温、快风量的条件下快速失水。
2.一种权利要求1所述的养护工艺,其特征在于:所述的快速失水阶段为加速养护后的保温板在45℃、风量1.5-1.8m/s的条件下养护2-4小时快速失水。
3.一种权利要求1所述的养护工艺,其特征在于:所述的快速失水阶段为加速养护后的保温板在60℃、风量1.0-1.5m/s的条件下养护2-4小时快速失水。
CN201511020742.1A 2015-12-30 2015-12-30 一种水泥基膨胀珍珠岩保温板养护工艺 Pending CN105645999A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008133185A (ja) * 1998-05-14 2008-06-12 Bouygues Travaux Publics コンクリートマトリックス、コンクリートセメントマトリックスおよびプレミックス中に分散させた有機繊維を含むコンクリート
CN102898088A (zh) * 2012-11-13 2013-01-30 常州中晶自保温墙体材料有限公司 隔热隔音轻质高强度混凝土加气砌块及其制作方法
CN104926361A (zh) * 2015-06-25 2015-09-23 安徽省中坤元新型建材有限公司 轻质空心隔墙条板及其生产工艺
CN105060929A (zh) * 2015-08-07 2015-11-18 鄂州市华龙冶金铸造材料有限公司 自保温改性微膨胀珍珠岩加气混凝土及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008133185A (ja) * 1998-05-14 2008-06-12 Bouygues Travaux Publics コンクリートマトリックス、コンクリートセメントマトリックスおよびプレミックス中に分散させた有機繊維を含むコンクリート
CN102898088A (zh) * 2012-11-13 2013-01-30 常州中晶自保温墙体材料有限公司 隔热隔音轻质高强度混凝土加气砌块及其制作方法
CN104926361A (zh) * 2015-06-25 2015-09-23 安徽省中坤元新型建材有限公司 轻质空心隔墙条板及其生产工艺
CN105060929A (zh) * 2015-08-07 2015-11-18 鄂州市华龙冶金铸造材料有限公司 自保温改性微膨胀珍珠岩加气混凝土及其制备方法

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