CN108863417A - 一种耐磨耐火浇注料 - Google Patents
一种耐磨耐火浇注料 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 72
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical class [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 claims abstract description 39
- 239000007767 bonding agent Substances 0.000 claims abstract description 20
- 239000006079 antiknock agent Substances 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 15
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 15
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000004927 clay Substances 0.000 claims abstract description 11
- 239000011398 Portland cement Substances 0.000 claims abstract description 10
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 10
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004327 boric acid Substances 0.000 claims abstract description 10
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000012054 meals Nutrition 0.000 claims abstract description 10
- 239000000701 coagulant Substances 0.000 claims abstract description 9
- 229910000428 cobalt oxide Inorganic materials 0.000 claims abstract description 9
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 229910052590 monazite Inorganic materials 0.000 claims description 20
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 238000000498 ball milling Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- -1 azo acyl Amine Chemical class 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000011819 refractory material Substances 0.000 abstract description 4
- 239000004575 stone Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
本发明涉及耐火浇注料，具体公开了一种耐磨耐火浇注料，其原料按重量份包括：熔融石英52‑75份、锆英砂11‑16份、改性独居石9‑17份、耐火粘土8‑16份、硅酸盐水泥7‑14份、防爆剂2‑10份、氧化钴铝粉3.5‑7.5份、硼酸3‑9份、复合炭粉1.5‑4份、促凝剂2.5‑4份、锗酸铋粉1‑2份、结合剂1.5‑3.5份。本发明具有优异的防腐耐磨性能。
Description
技术领域
本发明涉及耐火浇注料，具体涉及一种耐磨耐火浇注料。
背景技术
窑炉是用耐火材料砌成的用以煅烧物料或烧成制品的设备。在建材、冶金、化工、环保等许多生产行业中，广泛地使用回转圆设备对固体物料进行机械、物理或化学处理，这类设备被称为回转窑。在社会生产中，回转窑的作用非常重要，民间就流传“只要大窑转，就有千千万”的民谣。回转窑是水泥生产中的主机，俗称水泥工厂的“心脏”；建材行业中，回转窑除锻烧水泥熟料外，还用来锻烧粘土、石灰石和进行矿渣烘干等；耐火材料生产中，采用回转窑锻烧原料，使其尺寸稳定、强度增加，再加工成型；现有的耐火浇注料具有较高的膨胀系数，其体积不稳定，容易产生裂纹，整体性能不好。
发明内容
基于背景技术存在的技术问题，本发明提出了一种耐磨耐火浇注料。本发明具有优异的防腐耐磨性能。
本发明提出的一种耐磨耐火浇注料，其原料按重量份包括：熔融石英52-75份、锆英砂11-16份、改性独居石9-17份、耐火粘土8-16份、硅酸盐水泥7-14份、防爆剂2-10份、氧化钴铝粉3.5-7.5份、硼酸3-9份、复合炭粉1.5-4份、促凝剂2.5-4份、锗酸铋粉1-2份、结合剂1.5-3.5份。
优选地，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％。
优选地，所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先球磨处理，接着热处理，得到改性独居石。
优选地，所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先在300-500r/min下球磨处理6-10h，接着在200-300℃下热处理2-3.5h，得到改性独居石。
优选地，所述独居石和纳米二氧化硅的质量比为1：0.5-1.2。
优选地，所述锆英砂的粒径为70-120目。
优选地，所述防爆剂为铝粉、偶氮酰胺、乳酸铝或有机纤维。
优选地，所述结合剂为陶瓷结合剂、金属结合剂或菱苦土结合剂。
本发明可按照常规方法进行制备。
本发明的原料包括熔融石英、锆英砂、改性独居石、耐火粘土、硅酸盐水泥、防爆剂、氧化钴铝粉、硼酸、复合炭粉、促凝剂、锗酸铋粉、结合剂，其中，熔融石英具有优异的耐磨性能，且优选方案中，选择不同粒径的熔融石英进行混合，能够提高本发明在升温过程中的强度，减少体积收缩，进而优化本发明的基础性能。进一步优选方案中，制备改性独居石时，先将独居石和纳米二氧化硅的混合物进行球磨处理，在球磨的过程中，纳米二氧化硅表面的羟基能够与独居石中存在的阳离子通过静电作用而连接起来，使得纳米二氧化硅均匀分散在独居石表面，接着进行热处理，能够使二氧化硅表面上以氢键缔合的相邻羟基发生脱水而形成稳定键合，在独居石表面形成网络结构，而这种网络结构不仅能够显著提高本发明的耐磨性能，还能够加快本发明的硬化速度，提高本发明的防渗性，且由于将二氧化硅分散在独居石表面，减少了纳米二氧化硅的团聚作用，提高其在混料中的分散性能，进一步优化耐磨和防渗性能；同时，独居石中含有稀土元素，其能够使原料间易腐蚀的相界面和晶间腐蚀减少，有效提高本发明的防腐性能。
具体实施方式
下面，通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种耐磨耐火浇注料，其原料按重量份包括：熔融石英52份、锆英砂16份、改性独居石9份、耐火粘土16份、硅酸盐水泥7份、防爆剂10份、氧化钴铝粉3.5份、硼酸9份、复合炭粉1.5份、促凝剂4份、锗酸铋粉1份、结合剂3.5份。
实施例2
一种耐磨耐火浇注料，其原料按重量份包括：熔融石英75份、锆英砂11份、改性独居石17份、耐火粘土8份、硅酸盐水泥14份、防爆剂2份、氧化钴铝粉7.5份、硼酸3份、复合炭粉4份、促凝剂2.5份、锗酸铋粉2份、结合剂1.5份；
其中，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％；
所述防爆剂为有机纤维。
实施例3
一种耐磨耐火浇注料，其原料按重量份包括：熔融石英65份、锆英砂13份、改性独居石13份、耐火粘土12份、硅酸盐水泥11份、防爆剂5份、氧化钴铝粉5份、硼酸5份、复合炭粉2.5份、促凝剂3.5份、锗酸铋粉1.5份、结合剂2.5份；
其中，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％；
所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先在400r/min下球磨处理8h，接着在250℃下热处理3h，得到改性独居石；
所述独居石和纳米二氧化硅的质量比为1：1；
所述锆英砂的粒径为90目；
所述防爆剂为铝粉；
所述结合剂为陶瓷结合剂。
实施例4
一种耐磨耐火浇注料，其原料按重量份包括：熔融石英60份、锆英砂12份、改性独居石10份、耐火粘土9份、硅酸盐水泥8份、防爆剂3份、氧化钴铝粉4份、硼酸4份、复合炭粉1.8份、促凝剂3份、锗酸铋粉1.3份、结合剂2份；
其中，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％；
所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先在300r/min下球磨处理10h，接着在200℃下热处理3.5h，得到改性独居石；
所述独居石和纳米二氧化硅的质量比为1：0.5；
所述锆英砂的粒径为120目；
所述防爆剂为偶氮酰胺；
所述结合剂为金属结合剂。
实施例5
一种耐磨耐火浇注料，其原料按重量份包括：熔融石英70份、锆英砂15份、改性独居石16份、耐火粘土14份、硅酸盐水泥13份、防爆剂7份、氧化钴铝粉6份、硼酸7份、复合炭粉3份、促凝剂3.7份、锗酸铋粉1.8份、结合剂3份；
其中，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％；
所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先在500r/min下球磨处理6h，接着在300℃下热处理2h，得到改性独居石；
所述独居石和纳米二氧化硅的质量比为1：1.2；
所述锆英砂的粒径为70目；
所述防爆剂为乳酸铝；
所述结合剂为菱苦土结合剂。
对比例1
一种耐火浇注料，其原料按重量份包括：熔融石英70份、锆英砂15份、独居石16份、耐火粘土14份、硅酸盐水泥13份、防爆剂7份、氧化钴铝粉6份、硼酸7份、复合炭粉3份、促凝剂3.7份、锗酸铋粉1.8份、结合剂3份；
其中，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％；
所述锆英砂的粒径为70目；
所述防爆剂为乳酸铝；
所述结合剂为菱苦土结合剂。
试验例
分别对实施例1-5和对比例1得到的浇注料进行耐磨性能测试，依次记为试验组1-5和对照组，测试结果如下表：
| 项目 | 磨损量(cm3) |
| 试验组1 | 2.78 |
| 试验组2 | 2.65 |
| 试验组3 | 2.88 |
| 试验组4 | 2.46 |
| 试验组5 | 2.55 |
| 对比例 | 5.76 |
由上表可以看出，对独居石进行纳米二氧化硅改性后，能显著提高本发明的耐磨性能。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。
Claims (8)
1.一种耐磨耐火浇注料，其特征在于，其原料按重量份包括：熔融石英52-75份、锆英砂11-16份、改性独居石9-17份、耐火粘土8-16份、硅酸盐水泥7-14份、防爆剂2-10份、氧化钴铝粉3.5-7.5份、硼酸3-9份、复合炭粉1.5-4份、促凝剂2.5-4份、锗酸铋粉1-2份、结合剂1.5-3.5份。
2.根据权利要求1所述耐磨耐火浇注料，其特征在于，所述熔融石英的颗粒组成为：粒径10-5mm的占30％，粒径5-3mm的占20％，粒径3-1mm的占15％，粒径12-60目的占15％，粒径20-40目的占15％，粒径120-300目的占5％。
3.根据权利要求1或2所述耐磨耐火浇注料，其特征在于，所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先球磨处理，接着热处理，得到改性独居石。
4.根据权利要求3所述耐磨耐火浇注料，其特征在于，所述改性独居石的制备方法为：取独居石和纳米二氧化硅混合均匀，先在300-500r/min下球磨处理6-10h，接着在200-300℃下热处理2-3.5h，得到改性独居石。
5.根据权利要求3所述耐磨耐火浇注料，其特征在于，所述独居石和纳米二氧化硅的质量比为1：0.5-1.2。
6.根据权利要求1或2所述耐磨耐火浇注料，其特征在于，所述锆英砂的粒径为70-120目。
7.根据权利要求1或2所述耐磨耐火浇注料，其特征在于，所述防爆剂为铝粉、偶氮酰胺、乳酸铝或有机纤维。
8.根据权利要求1或2所述耐磨耐火浇注料，其特征在于，所述结合剂为陶瓷结合剂、金属结合剂或菱苦土结合剂。
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