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Thermal insulation material for cementing geothermal well and preparation method of thermal insulation material
The invention discloses a thermal insulation material for well cementation of geothermal wells and a preparation method thereof, and belongs to the technical field of geothermal resource development, the thermal insulation material for well cementation of geothermal wells comprises the following components in percentage by weight: 55-75% of hollow ceramic microbeads, 5-15% of waste rock wool board powder, 15-25% of protein shale powder and 5% of modified polycarbonate, the hollow ceramic microbeads are prepared from lithium slag, zirconium silicide, molybdenum tailings, rare earth tailings and saw dust. According to the synergistic interaction action principle, the geothermal well cementing thermal insulation material formed by mixing the hollow ceramic microbeads, the waste rock wool board powder, the protein shale powder and the modified polycarbonate according to a certain proportion has the characteristics of environmental protection, low heat conductivity coefficient, good thermal insulation effect, high mechanical strength, high activity performance, good flexibility and low cost.
本发明公开一种地热井固井用保温材料及其制备方法，属于地热资源开发技术领域，所述地热井固井用保温材料包括按重量百分比计的55～75wt.％空心陶瓷微珠、5～15wt.％废弃岩棉板粉末、15～25wt.％蛋白页岩粉末和5wt.％改性聚碳酸酯组成，所述空心陶瓷微珠以锂渣、硅化锆、钼尾矿、稀土尾矿和锯末为原料制备而成。本发明依据协同增效的作用原理，以空心陶瓷微珠、废弃岩棉板粉末、蛋白页岩粉末和改性聚碳酸酯按照一定的比例混合而成的地热井固井保温材料具有绿色环保，导热系数低，保温效果好，机械强度高，活性性能高、柔性好，成本低的特点。
Thermal insulation material for cementing geothermal well and preparation method of thermal insulation material
The invention discloses a thermal insulation material for well cementation of geothermal wells and a preparation method thereof, and belongs to the technical field of geothermal resource development, the thermal insulation material for well cementation of geothermal wells comprises the following components in percentage by weight: 55-75% of hollow ceramic microbeads, 5-15% of waste rock wool board powder, 15-25% of protein shale powder and 5% of modified polycarbonate, the hollow ceramic microbeads are prepared from lithium slag, zirconium silicide, molybdenum tailings, rare earth tailings and saw dust. According to the synergistic interaction action principle, the geothermal well cementing thermal insulation material formed by mixing the hollow ceramic microbeads, the waste rock wool board powder, the protein shale powder and the modified polycarbonate according to a certain proportion has the characteristics of environmental protection, low heat conductivity coefficient, good thermal insulation effect, high mechanical strength, high activity performance, good flexibility and low cost.
本发明公开一种地热井固井用保温材料及其制备方法，属于地热资源开发技术领域，所述地热井固井用保温材料包括按重量百分比计的55～75wt.％空心陶瓷微珠、5～15wt.％废弃岩棉板粉末、15～25wt.％蛋白页岩粉末和5wt.％改性聚碳酸酯组成，所述空心陶瓷微珠以锂渣、硅化锆、钼尾矿、稀土尾矿和锯末为原料制备而成。本发明依据协同增效的作用原理，以空心陶瓷微珠、废弃岩棉板粉末、蛋白页岩粉末和改性聚碳酸酯按照一定的比例混合而成的地热井固井保温材料具有绿色环保，导热系数低，保温效果好，机械强度高，活性性能高、柔性好，成本低的特点。
Thermal insulation material for cementing geothermal well and preparation method of thermal insulation material
一种地热井固井用保温材料及其制备方法
2024-02-27
Patent
Electronic Resource
Chinese
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