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Magnesian hot patching material and preparation process thereof
The invention relates to the technical field of magnesian patching materials, in particular to a magnesian hot patching material and a preparation process thereof. The magnesian hot patching material comprises the following raw materials in parts by mass: 60-80 parts of large-particle magnesia, 7-8 parts of asphalt, 3-4 parts of an organic solvent and 8-30 parts of small-particle magnesia. The preparation process of the magnesian hot patching material comprises the following steps: crushing dead burnt magnesia into the large-particle magnesia and the small-particle magnesia; dissolving the asphalt in the organic solvent; mulling the large-particle magnesia and the asphalt so as to allow the asphalt to fully wrap the surface of the large-particle magnesia; and then adding the small-particle magnesia for mulling, and conveying a formed mixture into a ball press machine to be pressed into balls. The content of magnesium oxide in the magnesia is more than 90%, the content of silicon dioxide is less than 3.5%, the content of calcium oxide is less than 5%, and the volume density of the magnesia is more than 3.4 g/cm<3>.
本发明涉及镁质补炉料技术领域，具体涉及一种镁质热补料及其制备工艺。一种镁质热补料，包括以下质量份数的原料：60份‑80份大颗粒镁砂，7份‑8份沥青，3份‑4份有机溶剂，8份‑30份小颗粒镁砂。上述的一种镁质热补料的制备工艺，包括如下步骤，将重烧镁砂破碎成大颗粒镁砂及小颗粒镁砂；将沥青溶解在有机溶剂中；将大颗粒镁砂和沥青进行混练，使沥青充分包裹在大颗粒镁砂的表面；再加入小颗粒镁砂进行混练，输送到压球机中压成球状。镁砂中氧化镁的含量要大于90％，二氧化硅含量小于3.5％，氧化钙含量小于5％，体密大于3.4g/cm3。
Magnesian hot patching material and preparation process thereof
The invention relates to the technical field of magnesian patching materials, in particular to a magnesian hot patching material and a preparation process thereof. The magnesian hot patching material comprises the following raw materials in parts by mass: 60-80 parts of large-particle magnesia, 7-8 parts of asphalt, 3-4 parts of an organic solvent and 8-30 parts of small-particle magnesia. The preparation process of the magnesian hot patching material comprises the following steps: crushing dead burnt magnesia into the large-particle magnesia and the small-particle magnesia; dissolving the asphalt in the organic solvent; mulling the large-particle magnesia and the asphalt so as to allow the asphalt to fully wrap the surface of the large-particle magnesia; and then adding the small-particle magnesia for mulling, and conveying a formed mixture into a ball press machine to be pressed into balls. The content of magnesium oxide in the magnesia is more than 90%, the content of silicon dioxide is less than 3.5%, the content of calcium oxide is less than 5%, and the volume density of the magnesia is more than 3.4 g/cm<3>.
本发明涉及镁质补炉料技术领域，具体涉及一种镁质热补料及其制备工艺。一种镁质热补料，包括以下质量份数的原料：60份‑80份大颗粒镁砂，7份‑8份沥青，3份‑4份有机溶剂，8份‑30份小颗粒镁砂。上述的一种镁质热补料的制备工艺，包括如下步骤，将重烧镁砂破碎成大颗粒镁砂及小颗粒镁砂；将沥青溶解在有机溶剂中；将大颗粒镁砂和沥青进行混练，使沥青充分包裹在大颗粒镁砂的表面；再加入小颗粒镁砂进行混练，输送到压球机中压成球状。镁砂中氧化镁的含量要大于90％，二氧化硅含量小于3.5％，氧化钙含量小于5％，体密大于3.4g/cm3。
Magnesian hot patching material and preparation process thereof
一种镁质热补料及其制备工艺
CHU DEZENG (author)
2021-09-17
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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