CN106966714A - 堇青石‑尖晶石复相材料及其合成工艺 - Google Patents
堇青石‑尖晶石复相材料及其合成工艺 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 9
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 9
- 229910052878 cordierite Inorganic materials 0.000 title abstract description 6
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 title abstract description 6
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- 239000010935 stainless steel Substances 0.000 claims abstract description 17
- 238000010791 quenching Methods 0.000 claims abstract description 16
- 230000000171 quenching effect Effects 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 16
- 239000004411 aluminium Substances 0.000 claims abstract description 15
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
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- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 229910052682 stishovite Inorganic materials 0.000 claims description 6
- 229910052905 tridymite Inorganic materials 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
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Abstract
本发明提供了一种堇青石‑尖晶石复相材料及其合成工艺，包括以下重量份数的原料：煤矸石30～40份，铝型材厂污泥35～45份，不锈钢电炉水淬渣15～35份，以及Fe2O3粉末0.8～1.8份；合成工艺包括：将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣分别烘干，粉磨，过筛，混合，继续粉磨，掺入Fe2O3粉末，搅拌，得到干粉；按照每100g干粉加水15～20g的比例，加蒸馏水，搅拌，压制成型，在空气气氛中，温度为1300～1350℃下烧制3h～5h，自然冷却。本发明的优点在于：堇青石‑尖晶石复相材料纯度高，具有高利废率，生产成本低，转化率高的优点。
Description
技术领域
本发明具体涉及一种堇青石-尖晶石复相材料及其合成工艺。
背景技术
煤矸石、铝型材厂污泥和不锈钢电炉水淬渣均为工业生产中产生的废弃物，这些废弃物堆积量均在亿吨以上，如煤矸石，仅福建龙岩一个地区的煤矸石存量就在一亿吨左右，其他如不锈钢电炉水淬渣则是不锈钢原材生产中产生的废渣，由于含有重金属，因此其再生应用受到了极大的限制。因此，如何有效地综合利用这些废弃物成为目前当务之急。堇青石具有极低的热膨胀系数和优良的抗热震性能，常被应用于对热震条件要求非常严苛的场合，如被用作优质的耐火材料、泡沫陶瓷、热辐射材料等，但由于堇青石存在高温荷重性能比较差的特点，因此通常采用堇青石与其他材料复合的方式来提高其性能，如堇青石-尖晶石是一种比较常见的复合方式，该复合材料兼具良好的抗热震性和高温荷重性能，具有更广泛的用途。
发明内容
本发明要解决的技术问题之一，在于提供一种堇青石-尖晶石复相材料。
本发明是这样实现的：一种堇青石-尖晶石复相材料，包括以下重量份数的原料：煤矸石30～40份，铝型材厂污泥35～45份，不锈钢电炉水淬渣15～35份，以及Fe2O3粉末0.8～1.8份；其中，Fe2O3粉末优选为1.2～1.8份。
优选地，所述煤矸石含有以下质量百分数的各组分：SiO2 55份～65份、Al2O3 15份～25份、FeO 0.5份～1.5份、MgO 0.1份～1.5份。
优选地，所述铝型材厂污泥含有以下质量百分数的各组分：SiO2 1份～5份和Al2O360份～70份。
优选地，所述不锈钢电炉水淬渣含有以下质量百分数的各组分：SiO2 45份～55份、Al2O3 1份～5份、FeO 0.5份～1.5份、MgO 30份～40份。
本发明要解决的技术问题之二，在于提供一种所述的堇青石-尖晶石复相材料的合成工艺。
本发明是这样实现的：一种所述的堇青石-尖晶石复相材料的合成工艺，包括以下步骤：
(1)将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣分别在105℃～110℃下烘干至恒重，粉磨，并过0.08mm筛；
(2)将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣按照配比混合，并继续粉磨15～30min，然后掺入Fe2O3粉末，放入行星式搅拌机中搅拌30min～60min，得到干粉；
其中，煤矸石30～40份，铝型材厂污泥35～45份，不锈钢电炉水淬渣15～35份，以及Fe2O3粉末0.8～1.8份；
(3)按照每100g干粉加水15～20g的比例，加入蒸馏水，搅拌均匀，并压制成型，在空气气氛中，温度为1300～1350℃下烧制，保温时间为3h～5h，最后自然冷却。
本发明的优点在于：堇青石-尖晶石复相材料纯度高，具有高利废率，生产成本低，转化率高的优点。
附图说明
下面参照附图结合实施例对本发明作进一步的说明。
图1是本发明中堇青石-尖晶石复相材料的XRD谱图。
具体实施方式
为了加深对本发明的理解，下面结合实施例对本发明作进一步详述，该实施例仅用于解释本发明，并不构成对本发明保护范围的限定。
实施1：
实施2：
实施3：
实施4：
实施5：
针对以上各实施例的合成堇青石-尖晶石复相材料的方法，如下：
(1)将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣分别在105℃～110℃下烘干至恒重，粉磨，并过0.08mm筛；
(2)将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣按照配比混合，并继续粉磨15～30min，然后掺入Fe2O3粉末，放入行星式搅拌机中搅拌30min～60min，得到干粉；
(3)按照每100g干粉加水15～20g的比例，加入蒸馏水，搅拌均匀，并压制成型，在空气气氛中，温度为1300～1350℃下烧制，保温时间为3h～5h，最后自然冷却。
对上述实施1-5制得的堇青石-尖晶石复相材料进行XRD表征，如图1所示，图1中标识C指代堇青石，标识S指代尖晶石，其中各晶相含量如下表：
本发明合成的堇青石-尖晶石复相材料纯度高，具有高利废率，生产成本低，转化率高的优点。
Claims (5)
1.一种堇青石-尖晶石复相材料，其特征在于：包括以下重量份数的原料：煤矸石30～40份，铝型材厂污泥35～45份，不锈钢电炉水淬渣15～35份，以及Fe2O3粉末0.8～1.8份。
2.如权利要求1所述的，其特征在于：所述煤矸石含有以下质量百分数的各组分：SiO255份～65份、Al2O3 15份～25份、FeO 0.5份～1.5份、MgO0.1份～1.5份。
3.如权利要求1所述的，其特征在于：所述铝型材厂污泥含有以下质量百分数的各组分：SiO2 1份～5份和Al2O3 60份～70份。
4.如权利要求1所述的，其特征在于：所述不锈钢电炉水淬渣含有以下质量百分数的各组分：SiO2 45份～55份、Al2O3 1份～5份、FeO 0.5份～1.5份、MgO 30份～40份。
5.一种如权利要求1所述的堇青石-尖晶石复相材料的合成工艺，其特征在于：包括以下步骤：
(1)将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣分别在105℃～110℃下烘干至恒重，粉磨，并过0.08mm筛；
(2)将煤矸石、铝型材厂污泥和不锈钢电炉水淬渣按照配比混合，并继续粉磨15～30min，然后掺入Fe2O3粉末，放入行星式搅拌机中搅拌30min～60min，得到干粉；
其中，煤矸石30～40份，铝型材厂污泥35～45份，不锈钢电炉水淬渣15～35份，以及Fe2O3粉末0.8～1.8份；
(3)按照每100g干粉加水15～20g的比例，加入蒸馏水，搅拌均匀，并压制成型，在空气气氛中，温度为1300～1350℃下烧制，保温时间为3h～5h，最后自然冷却。
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