CN111004050A - 一种低导热系数的轻质陶瓷的制备方法 - Google Patents

一种低导热系数的轻质陶瓷的制备方法 Download PDF

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CN111004050A
CN111004050A CN201911233620.9A CN201911233620A CN111004050A CN 111004050 A CN111004050 A CN 111004050A CN 201911233620 A CN201911233620 A CN 201911233620A CN 111004050 A CN111004050 A CN 111004050A
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李庆华
张明
王哲
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Liaoning Hanking Green Building Material Co ltd
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C—CHEMISTRY; METALLURGY
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    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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Abstract

本发明涉及一种低导热系数的轻质陶瓷的制备方法。本发明提供一种生产成本低、产品导热系数小，容重低的一种低导热系数的轻质陶瓷的制备方法。本发明包括以下步骤：A将重量比陶瓷抛光泥50‑60份、珍珠岩尾矿20‑30份、铁尾矿5‑8份、废玻璃粉5‑10份、高岭土5‑7份，水50份放在球磨机磨细10‑15个小时，放入重量比0.5‑1份的曲拉通x‑100，再磨细1‑2小时放出泡沫膏状料浆，将料浆放入烘箱或喷雾干燥塔内进行快速干燥，制成多孔状的轻质原料；B将轻质原料放入耐火模具内，将盛装原料的模具放入窑炉内烧结，烧结温度1050‑1100℃；C：快速冷却，得到容重100‑150kg/m³，导热系数0.048‑0.06W/m.K的轻质陶瓷。

Description

一种低导热系数的轻质陶瓷的制备方法
技术领域
本发明涉及一种低导热系数的轻质陶瓷的制备方法。
背景技术
轻质陶瓷是利用陶瓷废料、工业尾矿或工业废渣，并按配方比例加入碳粉或者木屑等，制备成陶瓷粉料后，压制或挤出成型为板材，经过低温阶段，碳粉或木屑烧失，再经过1150-1200°C高温烧结，成型为轻质陶瓷质材料，这类材料具有高强度、隔热、防火、防潮、轻质等特点。上述工艺在粉料中混入可在高温下分解、气化的烧失材料，在高温烧成时烧失分解排出，留下孔隙。在批量生产轻质陶瓷过程中，因烧成温度高，耗气量大的等因素影响，导致了轻质陶瓷成本偏高，另外产品容重大于150kg/m³，导热系数普遍大于0.068W/m.K，不适合作为保温材料使用。
发明内容
为解决上述问题，本发明提供一种生产成本低、产品导热系数小，容重低的一种低导热系数的轻质陶瓷的制备方法。
为实现上述目的，本发明采用的技术方案是：一种低导热系数轻质陶瓷的制备方法，包括以下步骤：A将重量比陶瓷抛光泥50-60份、珍珠岩尾矿20-30份、 铁尾矿5-8份、废玻璃粉5-10份、高岭土5-7份，水50份放在球磨机磨细10-15个小时，放入重量比0.5-1份的曲拉通x-100，再磨细1-2小时放出泡沫膏状料浆，将料浆放入烘箱或喷雾干燥塔内进行快速干燥，制成多孔状的轻质原料；B将轻质原料放入耐火模具内，将盛装原料的模具放入窑炉内烧结，烧结温度1050-1100℃；C：快速冷却，得到容重100-150kg/m³，导热系数0.048-0.06W/m.K的轻质陶瓷。
步骤A中的快速干燥温度700-800℃。
发明的有益效果
本发明不需要加入碳粉或者木屑，就可以生产100-150kg/m³容重的轻质陶瓷；产品导热系数为0.048-0.06W/m.K，小于现有产品，可用作保温材料；生产过程不需要添加无机发泡剂，尾矿和废料利用率高，生产成本低。
具体实施方式
实施例1
一种轻质陶瓷的制备方法，先将重量比陶瓷抛光泥50份、珍珠岩尾矿30份、 铁尾矿5份、废玻璃粉10份、高岭土5份，水50份放在球磨机磨细10个小时，再放入重量比0.5份的曲拉通x-100作为表面活性剂，继续磨细1小时后从球磨机中放出料浆，料浆呈现泡沫膏状，将膏状料浆放入喷雾干燥塔内700℃进行快速干燥，制成多孔状的轻质原料；然后将多孔状的轻质原料放入耐火模具内，将盛装原料的模具放入辊道窑炉内烧结，在1000-1050℃时，原料中的玻璃粉形成液相，包裹部分空气在高温下发生膨胀；最高烧结温度1050℃ 后进行快速冷却，得150kg/m³容重的轻质高强的陶瓷制品，导热系数可达到0.06W/m.K。
实施例2
一种低导热系数轻质陶瓷的制备方法，先将重量比陶瓷抛光泥57份、珍珠岩尾矿20份、铁尾矿8份、废玻璃粉8份、高岭土7份，水50份放在球磨机磨细15个小时，再放入重量比1份的曲拉通x-100表面活性剂，继续磨细1小时后从球磨机中放出料浆，料浆呈现泡沫膏状，将膏状料浆放入喷雾干燥塔内800℃进行快速干燥，制成多孔状的轻质原料；然后将多孔状的轻质原料放入耐火模具内，将盛装原料的模具放入辊道窑炉内烧结，在1000-1100℃时，原料中的玻璃粉形成液相，包裹部分空气在高温下发生膨胀；最高烧结温度1100 ℃ 后进行快速冷却，得100kg/m³容重的轻质高强的陶瓷制品，导热系数可达到0.048W/m.K。

Claims (2)

1.一种低导热系数轻质陶瓷的制备方法，其特征在于包括以下步骤：A将重量比陶瓷抛光泥50-60份、珍珠岩尾矿20-30份、 铁尾矿5-8份、废玻璃粉5-10份、高岭土5-7份，水50份放在球磨机磨细10-15个小时，放入重量比0.5-1份的曲拉通x-100，再磨细1-2小时放出泡沫膏状料浆，将料浆放入烘箱或喷雾干燥塔快速干燥，制成多孔状的轻质原料；B将轻质原料放入耐火模具内，将盛装原料的模具放入窑炉内烧结，烧结温度1050-1100℃；C：快速冷却，得到容重100-150kg/m³，导热系数0.048-0.06W/m.K的轻质陶瓷。
2.如权利要求1所述的一种低导热系数轻质陶瓷的制备方法，其特征在于步骤A中的快速干燥温度700-800℃。
CN201911233620.9A 2019-12-05 2019-12-05 一种低导热系数的轻质陶瓷的制备方法 Withdrawn CN111004050A (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1463947A (zh) * 2002-06-03 2003-12-31 聂曼云 轻质陶瓷材料及其生产工艺
WO2010010181A1 (de) * 2008-07-24 2010-01-28 Miscanthus-Nawaro-Innovations S.A. Baustoff mit pflanzlichem zuschlag
CN103193501A (zh) * 2013-04-11 2013-07-10 广东蒙娜丽莎新型材料集团有限公司 低温快烧轻质陶瓷保温板及其制备方法
CN108610019A (zh) * 2016-12-09 2018-10-02 辽宁法库陶瓷工程技术研究中心 一种利用抛光陶瓷废渣制备低容重、高强度保温材料的方法
CN108975874A (zh) * 2018-07-03 2018-12-11 佛山欧神诺陶瓷有限公司 一种具有装饰效果的复合功能陶瓷砖及其制备方法
CN109384455A (zh) * 2018-11-13 2019-02-26 辽宁罕王绿色建材有限公司 一种一次烧结出装饰面的轻质高强墙板及生产方法
CN110041098A (zh) * 2019-05-09 2019-07-23 湖南双晟科技信息咨询有限公司 一种利用固体废弃物制备的多孔吸音材料及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1463947A (zh) * 2002-06-03 2003-12-31 聂曼云 轻质陶瓷材料及其生产工艺
WO2010010181A1 (de) * 2008-07-24 2010-01-28 Miscanthus-Nawaro-Innovations S.A. Baustoff mit pflanzlichem zuschlag
CN103193501A (zh) * 2013-04-11 2013-07-10 广东蒙娜丽莎新型材料集团有限公司 低温快烧轻质陶瓷保温板及其制备方法
CN108610019A (zh) * 2016-12-09 2018-10-02 辽宁法库陶瓷工程技术研究中心 一种利用抛光陶瓷废渣制备低容重、高强度保温材料的方法
CN108975874A (zh) * 2018-07-03 2018-12-11 佛山欧神诺陶瓷有限公司 一种具有装饰效果的复合功能陶瓷砖及其制备方法
CN109384455A (zh) * 2018-11-13 2019-02-26 辽宁罕王绿色建材有限公司 一种一次烧结出装饰面的轻质高强墙板及生产方法
CN110041098A (zh) * 2019-05-09 2019-07-23 湖南双晟科技信息咨询有限公司 一种利用固体废弃物制备的多孔吸音材料及其制备方法

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Application publication date: 20200414