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Carbon/magnesium oxide nano composite powder as well as preparation method and application thereof
The invention belongs to the technical field of inorganic composite materials, and particularly relates to carbon/magnesium oxide nano composite powder as well as a preparation method and application thereof. The method comprises the following steps of: by taking magnesium citrate as a single raw material, firstly carrying out primary heat treatment on raw material powder at low temperature, then sintering in a medium-temperature non-oxidizing atmosphere, and taking out a sample after cooling to room temperature, thereby obtaining the carbon/magnesium oxide nano composite powder. The total carbon content of the carbon/magnesium oxide nano composite powder prepared by the method is about 14-17wt%, and the carbon exists in such a way that few-layer graphene and nano turbine layered carbon are compounded and uniformly wrap the surface of a nano magnesium oxide crystal. The method has the characteristics of simple and cheap raw materials, simple production process, short time consumption, low energy consumption and environmental protection, and is a rapid and efficient preparation method of the carbon/magnesium oxide nano composite powder, and the prepared carbon/magnesium oxide nano composite powder can effectively improve the thermal shock resistance, slag resistance, oxidation resistance and the like of a low-carbon refractory material.
本发明属于无机复合材料技术领域，具体涉及一种碳/氧化镁纳米复合粉、制备方法及应用。该方法以柠檬酸镁为单一原料，首先将原料粉体在低温下初步热处理，然后在中温非氧化气氛下烧结，待降至室温后取出试样，便可获得碳/氧化镁纳米复合粉。本发明方法制备的碳/氧化镁纳米复合粉中总碳含量约为14～17wt％，碳表现为少层石墨烯与纳米涡轮层状碳复合，且均匀包裹于纳米氧化镁晶体表面。本发明方法具有原料简单廉价、生产工艺简单，耗时短，能耗低，环保的特点，是一种快速、高效的碳/氧化镁纳米复合粉体的制备方法，所制备的碳/氧化镁纳米复合粉可有效提高低碳耐火材料的抗热震性、抗渣性和抗氧化性等。
Carbon/magnesium oxide nano composite powder as well as preparation method and application thereof
The invention belongs to the technical field of inorganic composite materials, and particularly relates to carbon/magnesium oxide nano composite powder as well as a preparation method and application thereof. The method comprises the following steps of: by taking magnesium citrate as a single raw material, firstly carrying out primary heat treatment on raw material powder at low temperature, then sintering in a medium-temperature non-oxidizing atmosphere, and taking out a sample after cooling to room temperature, thereby obtaining the carbon/magnesium oxide nano composite powder. The total carbon content of the carbon/magnesium oxide nano composite powder prepared by the method is about 14-17wt%, and the carbon exists in such a way that few-layer graphene and nano turbine layered carbon are compounded and uniformly wrap the surface of a nano magnesium oxide crystal. The method has the characteristics of simple and cheap raw materials, simple production process, short time consumption, low energy consumption and environmental protection, and is a rapid and efficient preparation method of the carbon/magnesium oxide nano composite powder, and the prepared carbon/magnesium oxide nano composite powder can effectively improve the thermal shock resistance, slag resistance, oxidation resistance and the like of a low-carbon refractory material.
本发明属于无机复合材料技术领域，具体涉及一种碳/氧化镁纳米复合粉、制备方法及应用。该方法以柠檬酸镁为单一原料，首先将原料粉体在低温下初步热处理，然后在中温非氧化气氛下烧结，待降至室温后取出试样，便可获得碳/氧化镁纳米复合粉。本发明方法制备的碳/氧化镁纳米复合粉中总碳含量约为14～17wt％，碳表现为少层石墨烯与纳米涡轮层状碳复合，且均匀包裹于纳米氧化镁晶体表面。本发明方法具有原料简单廉价、生产工艺简单，耗时短，能耗低，环保的特点，是一种快速、高效的碳/氧化镁纳米复合粉体的制备方法，所制备的碳/氧化镁纳米复合粉可有效提高低碳耐火材料的抗热震性、抗渣性和抗氧化性等。
Carbon/magnesium oxide nano composite powder as well as preparation method and application thereof
一种碳/氧化镁纳米复合粉、制备方法及应用
XIAO GUOQING (Autor:in) / LUO JIYUAN (Autor:in) / DING DONGHAI (Autor:in) / CHONG XIAOCHUAN (Autor:in)
13.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
,
Verbindungen der Metalle Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium oder der Seltenen Erden
/
B82Y
Bestimmter Gebrauch oder bestimmte Anwendung von Nanostrukturen
,
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C04B
Kalk
,
LIME
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