A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a manufacturing process of a large-size silicon carbide sand mill lining, which comprises the following steps: S1, manufacturing an inner metal mold and an outer metal mold: integrally manufacturing an inner bottom mold and an outer bottom mold according to the structure and parameters of the sand mill lining; s2, mixing by an extruder: preparing solid pug, wherein the solid pug comprises the following components in parts by weight: 80 to 85.5 parts of silicon carbide micro powder, 10 to 12 parts of purified water, 2.2 to 3.3 parts of silicon nitride micro powder, 1.0 to 1.3 parts of metal tungsten micro powder, 2.2 to 3.2 parts of manganese dioxide powder, 2.3 to 3.3 parts of titanium oxide powder, 3.4 to 4.4 parts of carbon black, 1.1 parts of graphite powder, 1.6 to 1.8 parts of dispersing agent and 6.8 to 7.5 parts of binding agent; the solid pug is stirred for more than 10 hours at the stirring speed of 20-50 r/min; the metal mold is installed on a ramming machine, the ramming speed is 1 minute/revolution, 500 g/circle of solid pug is evenly placed each time, ramming is conducted for 1 minute, it is guaranteed that the solid pug is evenly placed, and the surface of each layer is smooth and even after ramming; the manufacturing process is simple, ramming forming is adopted, and the production efficiency is high.
本发明公开了一种大尺寸碳化硅砂磨机内衬的制造工艺，该制造工艺包括S1、制作内、外金属模具：根据砂磨机内衬的结构和参数，完成内、外底模的整体制作；S2、挤出机混料:制作固体泥料，该固体泥料按重量份配比包括以下组份：碳化硅微粉80‑85.5份、纯净水10‑12份、氮化硅微粉2.2‑3.3份、金属钨微粉1.0‑1.3份、二氧化锰粉2.2‑3.2份、氧化钛粉2.3‑3.3份、炭黑3.4‑4.4份、石墨粉1.1份，分散剂1.6‑1.8份、粘结剂6.8‑7.5份；该固体泥料在20‑50r/min的搅拌速度下搅拌10小时以上；将金属模具，安装到捣打机上，捣打速度为1分钟/转,每次均匀置入固体泥料500克/圈，捣打1分钟，确保固体泥料置入时均匀，捣打后每层表面平滑均匀；本发明制造工艺简单，采用捣打成型，生产效率高。
The invention discloses a manufacturing process of a large-size silicon carbide sand mill lining, which comprises the following steps: S1, manufacturing an inner metal mold and an outer metal mold: integrally manufacturing an inner bottom mold and an outer bottom mold according to the structure and parameters of the sand mill lining; s2, mixing by an extruder: preparing solid pug, wherein the solid pug comprises the following components in parts by weight: 80 to 85.5 parts of silicon carbide micro powder, 10 to 12 parts of purified water, 2.2 to 3.3 parts of silicon nitride micro powder, 1.0 to 1.3 parts of metal tungsten micro powder, 2.2 to 3.2 parts of manganese dioxide powder, 2.3 to 3.3 parts of titanium oxide powder, 3.4 to 4.4 parts of carbon black, 1.1 parts of graphite powder, 1.6 to 1.8 parts of dispersing agent and 6.8 to 7.5 parts of binding agent; the solid pug is stirred for more than 10 hours at the stirring speed of 20-50 r/min; the metal mold is installed on a ramming machine, the ramming speed is 1 minute/revolution, 500 g/circle of solid pug is evenly placed each time, ramming is conducted for 1 minute, it is guaranteed that the solid pug is evenly placed, and the surface of each layer is smooth and even after ramming; the manufacturing process is simple, ramming forming is adopted, and the production efficiency is high.
本发明公开了一种大尺寸碳化硅砂磨机内衬的制造工艺，该制造工艺包括S1、制作内、外金属模具：根据砂磨机内衬的结构和参数，完成内、外底模的整体制作；S2、挤出机混料:制作固体泥料，该固体泥料按重量份配比包括以下组份：碳化硅微粉80‑85.5份、纯净水10‑12份、氮化硅微粉2.2‑3.3份、金属钨微粉1.0‑1.3份、二氧化锰粉2.2‑3.2份、氧化钛粉2.3‑3.3份、炭黑3.4‑4.4份、石墨粉1.1份，分散剂1.6‑1.8份、粘结剂6.8‑7.5份；该固体泥料在20‑50r/min的搅拌速度下搅拌10小时以上；将金属模具，安装到捣打机上，捣打速度为1分钟/转,每次均匀置入固体泥料500克/圈，捣打1分钟，确保固体泥料置入时均匀，捣打后每层表面平滑均匀；本发明制造工艺简单，采用捣打成型，生产效率高。
Manufacturing process of large-size silicon carbide sand mill lining
一种大尺寸碳化硅砂磨机内衬的制造工艺
HAO PENG (author)
2023-04-04
Patent
Electronic Resource
Chinese
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