CN115368147A - 一种烧结耐火砖生产用粘合剂 - Google Patents

一种烧结耐火砖生产用粘合剂 Download PDF

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CN115368147A
CN115368147A CN202210775870.0A CN202210775870A CN115368147A CN 115368147 A CN115368147 A CN 115368147A CN 202210775870 A CN202210775870 A CN 202210775870A CN 115368147 A CN115368147 A CN 115368147A
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CN115368147B (zh
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曹丽云
龚育才
彭仁
张雪松
俞晓东
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Jiangsu Sujia Group New Materials Co ltd
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Abstract

本发明公开了一种烧结耐火砖生产用粘合剂，涉及耐火材料粘合技术领域。本发明包括内粘合组分和外粘合组分；内粘合组分由下述重量份原料组成：醇酸树脂20～27份、酚醛树脂15～22份、六次甲基四胺5～7份、氧化镁粉30～40份、碳粉4～5份、改性石棉纤维4～8份和水12～18份；外粘合组分由下述重量份原料组成：亚白刚玉15～20份、铝硅酸盐12～17份、粘土粉30～38份、硅灰5～7份、碳粉6～8份、改性石棉纤维6～10份和水15～22份。本发明在使用时，可以有效的提高耐火砖间凝固的时间，提高生产效率，同时本发明可以有效的排出粘合剂内部的空气，避免粘合剂在使用时出现的裂缝，提高使用寿命。

Description

一种烧结耐火砖生产用粘合剂
技术领域
本发明属于耐火材料粘合技术领域，特别是涉及一种烧结耐火砖生产用粘合剂。
背景技术
耐火砖简称火砖，是用耐火黏土或其他耐火原料烧制成的耐火材料，耐火砖主要用于砌冶炼炉，能耐高温，是具有一定形状和尺寸的耐火材料，按制备工艺方法来划分可分为烧成砖、不烧砖、电熔砖、耐火隔热砖，按形状和尺寸可分为标准型砖、普通砖、特异型砖等，可用作建筑窑炉和各种热工设备的高温建筑材料和结构材料，并在高温下能经受各种物理化学变化和机械作用；
在耐火砖的使用过程中，为了实现耐火砖之间的粘结，往往会在相邻的两个耐火砖之间涂抹粘合剂，以便于实现耐火砖之间的粘合固定，但现有的耐火砖用粘合剂在实际的使用中依然存在以下的不足：
1.现有的耐火砖粘合剂在使用时，凝结的时间较长，在粘合剂表面凝固之后，内部依然处于不稳定的状态，从而影响了耐火砖砌合成型的时间；
2.现有的耐火砖粘合剂在使用时，因为内部存在的气泡而导致粘合剂内部存在一定的空洞，随着长时间的使用，在加热空气膨胀的作用下，粘合剂会出现一定的裂纹，从而影响耐火砖整体的使用质量；
因此，有必要对现有技术进行改进，以解决上述技术问题。
发明内容
本发明的目的在于提供一种凝结时间段且可以有效避免粘合剂存在裂纹的烧结耐火砖生产用粘合剂，解决了现有的耐火砖用粘合剂在实际的使用中存在凝结时间较长和粘合剂层易出现裂纹而影响使用寿命的问题。
为解决上述技术问题，本发明是通过以下技术方案实现的：
本发明为一种烧结耐火砖生产用粘合剂，包括内粘合组分和外粘合组分；
内粘合组分由下述重量份原料组成：醇酸树脂20～27份、酚醛树脂15～22份、六次甲基四胺5～7份、氧化镁粉30～40份、碳粉4～5份、改性石棉纤维4～8份和水12～18份；
外粘合组分由下述重量份原料组成：亚白刚玉15～20份、铝硅酸盐12～17份、粘土粉30～38份、硅灰5～7份、碳粉6～8份、改性石棉纤维6～10份和水15～22份。
进一步地，内粘合组分由下述重量份原料组成：醇酸树脂20份、酚醛树脂22份、六次甲基四胺5份、氧化镁粉40份、碳粉4份、改性石棉纤维8份和水12份。
进一步地，内粘合组分由下述重量份原料组成：醇酸树脂27份、酚醛树脂15份、六次甲基四胺7份、氧化镁粉30份、碳粉5份、改性石棉纤维4份和水18份。
进一步地，外粘合组分由下述重量份原料组成：亚白刚玉15份、铝硅酸盐17份、粘土粉30份、硅灰7份、碳粉6份、改性石棉纤维10份和水15份。
进一步地，外粘合组分由下述重量份原料组成：亚白刚玉20份、铝硅酸盐17份、粘土粉38份、硅灰5份、碳粉8份、改性石棉纤维6份和水22份。
进一步地，所述铝硅酸盐可以用莫来石进行代替。
进一步地，所述氧化镁粉可以用氧化铝粉进行代替。
进一步地，所述碳粉在混合之前加入水并搅拌成糊状，且碳粉和水的重量份比为1～1.2。
本发明具有以下有益效果：
1、本发明在使用时，碳粉和水的混合在高温的作用下，会发生化学反应生成氢气和一氧化碳，产生的气体通过挤压使粘合剂的表面出现一定的气孔，以实现内部的氢气和一氧化碳均与外部氧气接触进行燃烧，燃烧产生的热量可以在气孔中产生热量，实现粘合剂内部快速的高温凝结，避免粘合剂凝结时间较长而影响整个施工效率。
2、本发明在使用时，氢气和一氧化碳燃烧产生的热量会使内粘合组分出现熔化的状态，产生的熔化体会在内部对气孔进行修补，同时，在使用时，外部的高压燃烧也可以辅助对气孔进行挤压，从而排除粘合剂内部因气孔而导致的裂缝生成，改性石棉纤维的设置可以通过其纤维状的特性，提高组成之间粘结的牢固性，提高粘合剂的使用寿命。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述。
本发明为一种烧结耐火砖生产用粘合剂，包括内粘合组分和外粘合组分；
内粘合组分由下述重量份原料组成：醇酸树脂20～27份、酚醛树脂15～22份、六次甲基四胺5～7份、氧化镁粉30～40份、碳粉4～5份、改性石棉纤维4～8份和水12～18份；
外粘合组分由下述重量份原料组成：亚白刚玉15～20份、铝硅酸盐12～17份、粘土粉30～38份、硅灰5～7份、碳粉6～8份、改性石棉纤维6～10份和水15～22份；
铝硅酸盐可以用莫来石进行代替；氧化镁粉可以用氧化铝粉进行代替；
碳粉在混合之前加入水并搅拌成糊状，且碳粉和水的重量份比为1～1.2。
本发明的制作和使用方法，具体包括如下步骤(原料的量在上述原料重量份范围内)：
S1：取适量碳粉加入搅拌装置中，加入一定量的水继续搅拌直至成糊状；
S2：向搅拌装置中加入改性石棉纤维，继续搅拌10-15min；
S3：依次向搅拌装置中加入醇酸树脂、酚醛树脂、六次甲基四胺、氧化镁粉和水，继续搅拌30-45min，制成内粘合组分备用；
S4：取适量碳粉加入搅拌装置中，加入一定量的水继续搅拌直至成糊状；
S5：向搅拌装置中加入改性石棉纤维，继续搅拌10-15min；
S6：依次向搅拌装置中加入亚白刚玉、铝硅酸盐、粘土粉、硅灰和水，继续搅拌30-45min，制成外粘合组分备用；
S7：在耐火砖的砌合过程中，先在两个相邻耐火砖相靠近的端面上涂抹一层厚度在5-8mm的外粘合组分，然后再在外粘合组分的外表面上涂抹一层厚度在2-4mm的内粘合组分；
S8：将两个耐火砖的端面贴合，再在耐火砖贴合位置的外侧涂抹一层厚度在5-8mm的外粘合组分；
S9：两个耐火砖粘合完成之后，通过高压喷枪在粘结处的外侧燃烧3-5min，完成耐火砖的砌合。
实施例一
内粘合组分由下述重量份原料组成：醇酸树脂20份、酚醛树脂22份、六次甲基四胺5份、氧化镁粉40份、碳粉4份、改性石棉纤维8份和水12份；
外粘合组分由下述重量份原料组成：亚白刚玉15份、铝硅酸盐17份、粘土粉30份、硅灰7份、碳粉6份、改性石棉纤维10份和水15份。
实施例二
内粘合组分由下述重量份原料组成：醇酸树脂20份、酚醛树脂22份、六次甲基四胺5份、氧化镁粉40份、碳粉4份、改性石棉纤维8份和水12份；
外粘合组分由下述重量份原料组成：亚白刚玉20份、铝硅酸盐17份、粘土粉38份、硅灰5份、碳粉8份、改性石棉纤维6份和水22份。
实施例三
内粘合组分由下述重量份原料组成：醇酸树脂27份、酚醛树脂15份、六次甲基四胺7份、氧化镁粉30份、碳粉5份、改性石棉纤维4份和水18份；
外粘合组分由下述重量份原料组成：亚白刚玉15份、铝硅酸盐17份、粘土粉30份、硅灰7份、碳粉6份、改性石棉纤维10份和水15份。
实施例四
内粘合组分由下述重量份原料组成：醇酸树脂27份、酚醛树脂15份、六次甲基四胺7份、氧化镁粉30份、碳粉5份、改性石棉纤维4份和水18份；
外粘合组分由下述重量份原料组成：亚白刚玉20份、铝硅酸盐17份、粘土粉38份、硅灰5份、碳粉8份、改性石棉纤维6份和水22份。
实施例五
内粘合组分由下述重量份原料组成：醇酸树脂25份、酚醛树脂17份、六次甲基四胺6份、氧化镁粉35份、碳粉4.5份、改性石棉纤维6份和水15份；
外粘合组分由下述重量份原料组成：亚白刚玉17份、铝硅酸盐14份、粘土粉34份、硅灰6份、碳粉7份、改性石棉纤维8份和水19份。
以上仅为本发明的优选实施例，并不限制本发明，任何对前述各实施例所记载的技术方案进行修改，对其中部分技术特征进行等同替换，所作的任何修改、等同替换、改进，均属于在本发明的保护范围。

Claims (8)

1.一种烧结耐火砖生产用粘合剂，其特征在于，包括内粘合组分和外粘合组分；
内粘合组分由下述重量份原料组成：醇酸树脂20～27份、酚醛树脂15～22份、六次甲基四胺5～7份、氧化镁粉30～40份、碳粉4～5份、改性石棉纤维4～8份和水12～18份；
外粘合组分由下述重量份原料组成：亚白刚玉15～20份、铝硅酸盐12～17份、粘土粉30～38份、硅灰5～7份、碳粉6～8份、改性石棉纤维6～10份和水15～22份。
2.根据权利要求1所述的一种烧结耐火砖生产用粘合剂，其特征在于，内粘合组分由下述重量份原料组成：醇酸树脂20份、酚醛树脂22份、六次甲基四胺5份、氧化镁粉40份、碳粉4份、改性石棉纤维8份和水12份。
3.根据权利要求1所述的一种烧结耐火砖生产用粘合剂，其特征在于，内粘合组分由下述重量份原料组成：醇酸树脂27份、酚醛树脂15份、六次甲基四胺7份、氧化镁粉30份、碳粉5份、改性石棉纤维4份和水18份。
4.根据权利要求2或3所述的一种烧结耐火砖生产用粘合剂，其特征在于，外粘合组分由下述重量份原料组成：亚白刚玉15份、铝硅酸盐17份、粘土粉30份、硅灰7份、碳粉6份、改性石棉纤维10份和水15份。
5.根据权利要求2或3所述的一种烧结耐火砖生产用粘合剂，其特征在于，外粘合组分由下述重量份原料组成：亚白刚玉20份、铝硅酸盐17份、粘土粉38份、硅灰5份、碳粉8份、改性石棉纤维6份和水22份。
6.根据权利要求1所述的一种烧结耐火砖生产用粘合剂，其特征在于，所述铝硅酸盐可以用莫来石进行代替。
7.根据权利要求6所述的一种烧结耐火砖生产用粘合剂，其特征在于，所述氧化镁粉可以用氧化铝粉进行代替。
8.根据权利要求7所述的一种烧结耐火砖生产用粘合剂，其特征在于，所述碳粉在混合之前加入水并搅拌成糊状，且碳粉和水的重量份比为1～1.2。
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