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Low-iron-content boat support for photovoltaics and semiconductors and manufacturing method of low-iron-content boat support
The manufacturing method comprises the following steps that S1, raw materials, an organic auxiliary agent and pure water are subjected to slurry preparation in a ball milling tank according to the proportion, a boat support splitting part blank is obtained through a slip casting technology, and a boat support splitting part blank is obtained; performing natural drying and hot air drying on the green body to discharge moisture, and then fettling and carving the green body into a boat support splitting part semi-finished product meeting the size requirement; s2, putting the semi-finished product in S1 into an induction furnace, purifying and sintering at high temperature of 2000-2300 DEG C under the protection of inert gas, and obtaining a silicon carbide boat support splitting part biscuit which has the open pore porosity of 8-10% and the strength of more than 70 Mpa and contains a small amount of free carbon after high-temperature purifying and sintering; and S3, splicing the silicon carbide boat support splitting part biscuits, feeding the spliced whole boat support into a vacuum furnace, carrying out high-temperature siliconizing sintering treatment at 1650-1700 DEG C, and carrying out grinding, sand blasting, fine cleaning, impurity removal, ultrasonic cleaning and drying process treatment after discharging to obtain the low-iron-content boat support.
本发明公开了一种光伏、半导体用低铁含量舟托及其制造方法，包括以下步骤：S1、将原料、有机助剂和纯水按照比例在球磨罐中进行泥浆制备，采用注浆成型工艺获得舟托拆分部件毛坯，坯体通过自然干燥、热风干燥排出水分后修坯雕刻成符合尺寸要求的舟托拆分部件半成品；将S1中所述半成品投入感应炉，经过温度2000‑2300℃在惰性气体保护下高温纯化烧结，高温纯化烧结后的获得开孔气孔率8‑10％和强度大于70Mpa、含有少量游离碳的碳化硅舟托拆分部件素坯；S3、将碳化硅舟托拆分部件素坯进行拼接，拼接成完整的舟托后送入真空炉经过1650～1700℃高温渗硅烧结处理，出窑后经过研磨、喷砂、精洗、除杂和超声波清洗、干燥工艺处理，即得低铁含量舟托。
Low-iron-content boat support for photovoltaics and semiconductors and manufacturing method of low-iron-content boat support
The manufacturing method comprises the following steps that S1, raw materials, an organic auxiliary agent and pure water are subjected to slurry preparation in a ball milling tank according to the proportion, a boat support splitting part blank is obtained through a slip casting technology, and a boat support splitting part blank is obtained; performing natural drying and hot air drying on the green body to discharge moisture, and then fettling and carving the green body into a boat support splitting part semi-finished product meeting the size requirement; s2, putting the semi-finished product in S1 into an induction furnace, purifying and sintering at high temperature of 2000-2300 DEG C under the protection of inert gas, and obtaining a silicon carbide boat support splitting part biscuit which has the open pore porosity of 8-10% and the strength of more than 70 Mpa and contains a small amount of free carbon after high-temperature purifying and sintering; and S3, splicing the silicon carbide boat support splitting part biscuits, feeding the spliced whole boat support into a vacuum furnace, carrying out high-temperature siliconizing sintering treatment at 1650-1700 DEG C, and carrying out grinding, sand blasting, fine cleaning, impurity removal, ultrasonic cleaning and drying process treatment after discharging to obtain the low-iron-content boat support.
本发明公开了一种光伏、半导体用低铁含量舟托及其制造方法，包括以下步骤：S1、将原料、有机助剂和纯水按照比例在球磨罐中进行泥浆制备，采用注浆成型工艺获得舟托拆分部件毛坯，坯体通过自然干燥、热风干燥排出水分后修坯雕刻成符合尺寸要求的舟托拆分部件半成品；将S1中所述半成品投入感应炉，经过温度2000‑2300℃在惰性气体保护下高温纯化烧结，高温纯化烧结后的获得开孔气孔率8‑10％和强度大于70Mpa、含有少量游离碳的碳化硅舟托拆分部件素坯；S3、将碳化硅舟托拆分部件素坯进行拼接，拼接成完整的舟托后送入真空炉经过1650～1700℃高温渗硅烧结处理，出窑后经过研磨、喷砂、精洗、除杂和超声波清洗、干燥工艺处理，即得低铁含量舟托。
Low-iron-content boat support for photovoltaics and semiconductors and manufacturing method of low-iron-content boat support
一种光伏、半导体用低铁含量舟托及其制造方法
HOU CHUNGUANG (author) / YU YONGQI (author) / WU GUOXIANG (author)
2025-01-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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