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A platform for research: civil engineering, architecture and urbanism
High-thermal-shock high-strength high-refractoriness-under-load coke oven sillimanite brick and preparation method
The invention discloses a high-thermal-shock high-strength high-refractoriness-under-load coke oven sillimanite brick which comprises the following raw materials in parts by weight: 0-10 parts of synthetic mullite with the particle size of 3-5mm, 20-35 parts of synthetic mullite with the particle size of 1-3mm, 10-15 parts of synthetic mullite with the particle size of less than or equal to 1mm, 15-20 parts of sillimanite particles with the particle size of less than or equal to 0.5 mm, 15-25 parts of sillimanite powder with the particle size of 0.044 mm, 5-10 parts of high-temperature aluminum oxide micro powder with the particle size of 5 [mu]m, 3-8 parts of high-temperature aluminum oxide micro powder with the particle size of 2 microns, 5-10 parts of high-quality clay with the particle size of 0.044 mm and a binding agent accounting for 4-5% of the total mass. The sillimanite brick disclosed by the invention has the thermal shock stability of more than 30 times, the normal-temperature compressive strength of more than 100MPa, the apparent porosity of less than 16% and the load softening starting temperature of more than 1680 DEG C, and has the characteristics of good thermal shock stability, high strength, high refractoriness under load, low porosity, erosion resistance, long service life and the like.
本发明公开了一种高热震高强度高荷软焦炉硅线石砖，包括以下重量份数的原料：粒度为3～5mm合成莫来石0～10份，粒度为1～3mm合成莫来石20～35份，粒度≤1mm的合成莫来石10～15份，粒度≤0.5mm硅线石颗粒15～20份，粒度为0.044mm的硅线石粉15～25份，粒度为5um高温氧化铝微粉5～10份，粒度为2um的高温氧化铝微粉3～8份，粒度为0.044mm优质粘土5～10份，结合剂占总质量4～5％。本发明硅线石砖热震稳定性>30次，常温耐压强度>100MPa，显气孔率<16%，荷重软化开始温度>1680℃，具有热震稳定性好、强度高、荷软高、气孔率低、抗侵蚀、寿命长等特性。
High-thermal-shock high-strength high-refractoriness-under-load coke oven sillimanite brick and preparation method
The invention discloses a high-thermal-shock high-strength high-refractoriness-under-load coke oven sillimanite brick which comprises the following raw materials in parts by weight: 0-10 parts of synthetic mullite with the particle size of 3-5mm, 20-35 parts of synthetic mullite with the particle size of 1-3mm, 10-15 parts of synthetic mullite with the particle size of less than or equal to 1mm, 15-20 parts of sillimanite particles with the particle size of less than or equal to 0.5 mm, 15-25 parts of sillimanite powder with the particle size of 0.044 mm, 5-10 parts of high-temperature aluminum oxide micro powder with the particle size of 5 [mu]m, 3-8 parts of high-temperature aluminum oxide micro powder with the particle size of 2 microns, 5-10 parts of high-quality clay with the particle size of 0.044 mm and a binding agent accounting for 4-5% of the total mass. The sillimanite brick disclosed by the invention has the thermal shock stability of more than 30 times, the normal-temperature compressive strength of more than 100MPa, the apparent porosity of less than 16% and the load softening starting temperature of more than 1680 DEG C, and has the characteristics of good thermal shock stability, high strength, high refractoriness under load, low porosity, erosion resistance, long service life and the like.
本发明公开了一种高热震高强度高荷软焦炉硅线石砖，包括以下重量份数的原料：粒度为3～5mm合成莫来石0～10份，粒度为1～3mm合成莫来石20～35份，粒度≤1mm的合成莫来石10～15份，粒度≤0.5mm硅线石颗粒15～20份，粒度为0.044mm的硅线石粉15～25份，粒度为5um高温氧化铝微粉5～10份，粒度为2um的高温氧化铝微粉3～8份，粒度为0.044mm优质粘土5～10份，结合剂占总质量4～5％。本发明硅线石砖热震稳定性>30次，常温耐压强度>100MPa，显气孔率<16%，荷重软化开始温度>1680℃，具有热震稳定性好、强度高、荷软高、气孔率低、抗侵蚀、寿命长等特性。
High-thermal-shock high-strength high-refractoriness-under-load coke oven sillimanite brick and preparation method
一种高热震高强度高荷软焦炉硅线石砖及制备方法
WANG MINGGANG (author) / GAO RUI (author) / WANG YOUBAO (author) / CAI GUOQING (author) / QIN JIANTAO (author) / LI ZHIJIE (author) / YAN TAO (author)
2021-12-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
High-refractoriness-under-load mullite composite brick and preparation method thereof
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