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Magnesium-based composite refractory material as well as preparation method and application thereof
The invention discloses a magnesium-based composite refractory material as well as a preparation method and application thereof, and belongs to the technical field of refractory materials, and the refractory material comprises the following raw materials in parts by mass: 100 parts of modified light-burned magnesia, 5-15 parts of fly ash, 2-4 parts of titanium dioxide fiber, 2-4 parts of modified zirconium oxide fiber and 1-3 parts of coal-series spinning pitch. The modified light-burned magnesia is adopted as a main material, and the fibers are added for further modification, so that the corrosion resistance, the thermal shock resistance and the high-temperature creep resistance are improved, the uniform material quality can be ensured, the temperature-resistant deviation is not generated, and the use safety is higher. After a refractory brick is pressed, the normal-temperature compressive strength is 120 MPa or above, the creep rate (1400 DEG C * 60 h) is 0.25% or below, and the high-temperature breaking strength (1400 DEG C 0.5 h) is 60 MPa or above; the performance is far better than similar refractory brick products.
一种镁基复合耐火材料及其制备方法和应用，所属耐火材料技术领域，耐火材料的原料组成质量份数为：改性轻烧镁砂100份、除尘灰5～15份、二氧化钛纤维2～4份、改性氧化锆纤维2～4份和煤系纺丝沥青1～3份。本发明采用改性轻烧镁砂作为主要材料，加入纤维进一步改性，在提高抗侵蚀性、热震稳定性、抗高温蠕变性的同时，能够保证材料质量均匀，不产生耐温偏差，使用安全性更高。压制耐火砖后常温耐压强度在120MPa以上，蠕变率(1400℃×60h)在0.25％以下，高温抗折强度(1400℃0.5h)在60MPa及以上；性能远超同类耐火砖产品。
Magnesium-based composite refractory material as well as preparation method and application thereof
The invention discloses a magnesium-based composite refractory material as well as a preparation method and application thereof, and belongs to the technical field of refractory materials, and the refractory material comprises the following raw materials in parts by mass: 100 parts of modified light-burned magnesia, 5-15 parts of fly ash, 2-4 parts of titanium dioxide fiber, 2-4 parts of modified zirconium oxide fiber and 1-3 parts of coal-series spinning pitch. The modified light-burned magnesia is adopted as a main material, and the fibers are added for further modification, so that the corrosion resistance, the thermal shock resistance and the high-temperature creep resistance are improved, the uniform material quality can be ensured, the temperature-resistant deviation is not generated, and the use safety is higher. After a refractory brick is pressed, the normal-temperature compressive strength is 120 MPa or above, the creep rate (1400 DEG C * 60 h) is 0.25% or below, and the high-temperature breaking strength (1400 DEG C 0.5 h) is 60 MPa or above; the performance is far better than similar refractory brick products.
一种镁基复合耐火材料及其制备方法和应用，所属耐火材料技术领域，耐火材料的原料组成质量份数为：改性轻烧镁砂100份、除尘灰5～15份、二氧化钛纤维2～4份、改性氧化锆纤维2～4份和煤系纺丝沥青1～3份。本发明采用改性轻烧镁砂作为主要材料，加入纤维进一步改性，在提高抗侵蚀性、热震稳定性、抗高温蠕变性的同时，能够保证材料质量均匀，不产生耐温偏差，使用安全性更高。压制耐火砖后常温耐压强度在120MPa以上，蠕变率(1400℃×60h)在0.25％以下，高温抗折强度(1400℃0.5h)在60MPa及以上；性能远超同类耐火砖产品。
Magnesium-based composite refractory material as well as preparation method and application thereof
一种镁基复合耐火材料及其制备方法和应用
SUN WENJING (author) / SHI ZHE (author) / GAO JIAWEI (author)
2023-04-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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