A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
一种直流避雷器用ZnO电阻片及其制备方法
本申请涉及避雷器领域，具体公开了一种直流避雷器用ZnO电阻片及其制备方法，电阻片由以下原材料制得：Bi2O3,Sb2O3,NiO,Co3O4,MnCO3,Ga‑Hf‑Al2O3，负载有氧化铈的掺杂SiO2，SiO2，银玻璃粉，Al(NO3)3﹒9H2O，其余为ZnO；其制备方法包括以下步骤：原料初次球磨煅烧后再球磨得到煅烧料；将氧化锌分散到水中，加入煅烧料、Al(NO3)3、分散剂、消泡剂和粘合剂，搅拌混合，制得浆料；喷雾造粒，压制成型、排胶、预烧、烧成、喷玻璃胶、烧釉、热处理、研磨，清洗烘干后喷铝电极得到避雷器用电阻片；本申请具有进一步提高极性转换条件下氧化锌电阻片的抗老化性能的特点。
The invention relates to the field of lightning arresters, and particularly discloses a ZnO resistor disc for a direct current lightning arrester and a preparation method of the ZnO resistor disc, and the resistor disc is prepared from the following raw materials: Bi2O3, Sb2O3, NiO, Co3O4, MnCO3, Ga-Hf-Al2O3, doped SiO2 loaded with cerium oxide, SiO2, silver glass powder, Al (NO3) 3.9 H2O and the balance of ZnO. The preparation method comprises the following steps: carrying out primary ball-milling calcination on raw materials and then carrying out ball-milling to obtain a calcined material; dispersing zinc oxide into water, adding the calcined material, Al (NO3) 3, a dispersing agent, a defoaming agent and an adhesive, and stirring and mixing to prepare slurry; spray granulation, compression molding, glue discharging, pre-sintering, sintering, glass cement spraying, glaze sintering, heat treatment, grinding, cleaning, drying and aluminum electrode spraying are performed to obtain the resistor disc for the lightning arrester; the anti-aging zinc oxide resistor disc has the characteristic that the anti-aging performance of the zinc oxide resistor disc under the polarity conversion condition is further improved.
一种直流避雷器用ZnO电阻片及其制备方法
本申请涉及避雷器领域，具体公开了一种直流避雷器用ZnO电阻片及其制备方法，电阻片由以下原材料制得：Bi2O3,Sb2O3,NiO,Co3O4,MnCO3,Ga‑Hf‑Al2O3，负载有氧化铈的掺杂SiO2，SiO2，银玻璃粉，Al(NO3)3﹒9H2O，其余为ZnO；其制备方法包括以下步骤：原料初次球磨煅烧后再球磨得到煅烧料；将氧化锌分散到水中，加入煅烧料、Al(NO3)3、分散剂、消泡剂和粘合剂，搅拌混合，制得浆料；喷雾造粒，压制成型、排胶、预烧、烧成、喷玻璃胶、烧釉、热处理、研磨，清洗烘干后喷铝电极得到避雷器用电阻片；本申请具有进一步提高极性转换条件下氧化锌电阻片的抗老化性能的特点。
The invention relates to the field of lightning arresters, and particularly discloses a ZnO resistor disc for a direct current lightning arrester and a preparation method of the ZnO resistor disc, and the resistor disc is prepared from the following raw materials: Bi2O3, Sb2O3, NiO, Co3O4, MnCO3, Ga-Hf-Al2O3, doped SiO2 loaded with cerium oxide, SiO2, silver glass powder, Al (NO3) 3.9 H2O and the balance of ZnO. The preparation method comprises the following steps: carrying out primary ball-milling calcination on raw materials and then carrying out ball-milling to obtain a calcined material; dispersing zinc oxide into water, adding the calcined material, Al (NO3) 3, a dispersing agent, a defoaming agent and an adhesive, and stirring and mixing to prepare slurry; spray granulation, compression molding, glue discharging, pre-sintering, sintering, glass cement spraying, glaze sintering, heat treatment, grinding, cleaning, drying and aluminum electrode spraying are performed to obtain the resistor disc for the lightning arrester; the anti-aging zinc oxide resistor disc has the characteristic that the anti-aging performance of the zinc oxide resistor disc under the polarity conversion condition is further improved.