Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pressureless sintered silicon carbide ceramic heat exchanger tube with high thermal shock resistance and processing method of pressureless sintered silicon carbide ceramic heat exchanger tube
The invention discloses a pressureless sintering silicon carbide ceramic heat exchanger tube with high thermal shock resistance and a processing method of the pressureless sintering silicon carbide ceramic heat exchanger tube with high thermal shock resistance. Comprising 50%-80% of silicon carbide micro powder, 0%-20% of zirconium oxide micro powder, 3%-9% of carbon black, 3%-7% of titanium diboride, 2%-6% of an adhesive, 0.5%-2% of a lubricant and 8%-25% of deionized water. The particle size of the silicon carbide micro powder is 0.45-0.5 micron, and the particle size of the carbon black is 1-25 nanometers; the purity of the zirconium oxide micro powder is 4n, the specification of the zirconium oxide micro powder is 5mu m, and the specification of the titanium diboride is 1mu m. According to the pressureless sintering high thermal shock resistance silicon carbide ceramic heat exchanger tube, the high thermal shock resistance of the ceramic heat exchanger tube is improved, the processing method is simple in preparation process, high in production efficiency and low in cost, and the produced heat exchanger tube has the advantages of being high in heat conductivity, resistant to corrosion and high temperature, good in thermal shock resistance and low in thermal expansion coefficient.
本发明公开了一种无压烧结高抗热震碳化硅陶瓷换热器管及其加工方法，无压烧结高抗热震碳化硅陶瓷换热器管的材料按质量百分比计，包括50％‑80％的碳化硅微粉、0％‑20％的氧化锆微粉、3‑9％的炭黑、3％‑7％的二硼化钛、2％‑6％的粘合剂、0.5～2％的润滑剂和8％‑25％的去离子水；所述碳化硅微粉的粒径为0.45‑0.5微米，所述炭黑的粒径为1‑25纳米；所述的氧化锆微粉的纯度为4n，规格为5um，所述二硼化钛的规格为1um。所述无压烧结高抗热震碳化硅陶瓷换热器管提高了陶瓷换热器管的高抗热震性，所述加工方法，该加工方法的制备工艺简单、生产效率高、成本低，生产的换热器管具有热导率高、耐腐蚀、耐高温、抗热震性好、热膨胀系数低的特性。
Pressureless sintered silicon carbide ceramic heat exchanger tube with high thermal shock resistance and processing method of pressureless sintered silicon carbide ceramic heat exchanger tube
The invention discloses a pressureless sintering silicon carbide ceramic heat exchanger tube with high thermal shock resistance and a processing method of the pressureless sintering silicon carbide ceramic heat exchanger tube with high thermal shock resistance. Comprising 50%-80% of silicon carbide micro powder, 0%-20% of zirconium oxide micro powder, 3%-9% of carbon black, 3%-7% of titanium diboride, 2%-6% of an adhesive, 0.5%-2% of a lubricant and 8%-25% of deionized water. The particle size of the silicon carbide micro powder is 0.45-0.5 micron, and the particle size of the carbon black is 1-25 nanometers; the purity of the zirconium oxide micro powder is 4n, the specification of the zirconium oxide micro powder is 5mu m, and the specification of the titanium diboride is 1mu m. According to the pressureless sintering high thermal shock resistance silicon carbide ceramic heat exchanger tube, the high thermal shock resistance of the ceramic heat exchanger tube is improved, the processing method is simple in preparation process, high in production efficiency and low in cost, and the produced heat exchanger tube has the advantages of being high in heat conductivity, resistant to corrosion and high temperature, good in thermal shock resistance and low in thermal expansion coefficient.
本发明公开了一种无压烧结高抗热震碳化硅陶瓷换热器管及其加工方法，无压烧结高抗热震碳化硅陶瓷换热器管的材料按质量百分比计，包括50％‑80％的碳化硅微粉、0％‑20％的氧化锆微粉、3‑9％的炭黑、3％‑7％的二硼化钛、2％‑6％的粘合剂、0.5～2％的润滑剂和8％‑25％的去离子水；所述碳化硅微粉的粒径为0.45‑0.5微米，所述炭黑的粒径为1‑25纳米；所述的氧化锆微粉的纯度为4n，规格为5um，所述二硼化钛的规格为1um。所述无压烧结高抗热震碳化硅陶瓷换热器管提高了陶瓷换热器管的高抗热震性，所述加工方法，该加工方法的制备工艺简单、生产效率高、成本低，生产的换热器管具有热导率高、耐腐蚀、耐高温、抗热震性好、热膨胀系数低的特性。
Pressureless sintered silicon carbide ceramic heat exchanger tube with high thermal shock resistance and processing method of pressureless sintered silicon carbide ceramic heat exchanger tube
一种无压烧结高抗热震碳化硅陶瓷换热器管及其加工方法
LIU HUAN (Autor:in) / LI WENJIE (Autor:in) / ZHU XIAOXUE (Autor:in) / LUAN XIUJING (Autor:in)
14.10.2022
Patent
Elektronische Ressource
Chinesisch
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