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Method for continuously reducing ingot by germanium dioxide

A germanium dioxide and ingot casting technology is applied in the field of germanium dioxide continuous reduction ingot casting, which can solve the problems of long time required for reduction ingot casting, low production efficiency, and inability to release production capacity, and shorten the reduction ingot casting time and labor intensity. Small, the effect of promoting a sufficient reduction reaction

Inactive Publication Date: 2019-08-06
云南驰宏国际锗业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a method for continuous reduction of germanium dioxide ingots, which is used to solve the problem that the existing reduction of ingots takes a long time, labor intensity is high, and production efficiency is low, energy consumption is high, and production capacity cannot be released; And the problem of uneven reduction and incomplete reaction

Method used

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  • Method for continuously reducing ingot by germanium dioxide
  • Method for continuously reducing ingot by germanium dioxide

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Embodiment 1

[0018] The embodiment of the present invention is a method for continuously reducing ingot casting with germanium dioxide, and the method comprises the following steps:

[0019] The germanium dioxide is loaded into the graphite boat and placed in the furnace, wherein the amount of germanium dioxide loaded into the boat is 70% of the capacity of the graphite boat. Under the hydrogen atmosphere, the graphite boat loaded with germanium dioxide is heated through seven heating temperature zone, the temperatures of the seven heating temperature zones are respectively: 200°C, 400°C, 500°C, 600°C, 700°C, 800°C, 1000°C; the graphite boat loaded with germanium dioxide is in the seven temperature zones The intermediate residence time is respectively 30min; then, the germanium ingot is obtained by cooling down.

Embodiment 2

[0021] The embodiment of the present invention is a method for continuously reducing ingot casting with germanium dioxide, and the method comprises the following steps:

[0022] Put germanium dioxide into a graphite boat and put it into the furnace, wherein the amount of germanium dioxide loaded into the boat is 90% of the capacity of the graphite boat. Under a hydrogen atmosphere, the graphite boat loaded with germanium dioxide is heated through seven heating temperature zone, the temperatures of the seven heating temperature zones are respectively: 400°C, 500°C, 600°C, 700°C, 900°C, 1000°C, 900°C; the graphite boat loaded with germanium dioxide is in the seven temperature zones The intermediate residence time is respectively 60min; then, the germanium ingot is obtained by cooling down.

Embodiment 3

[0024] The embodiment of the present invention is a method for continuously reducing ingot casting with germanium dioxide, and the method comprises the following steps:

[0025] Put germanium dioxide into a graphite boat and put it into the furnace, wherein the amount of germanium dioxide loaded into the boat is 80% of the capacity of the graphite boat. Under a hydrogen atmosphere, the graphite boat loaded with germanium dioxide is heated through seven heating temperature zone, the temperatures of the seven heating temperature zones are respectively: 200°C, 450°C, 600°C, 650°C, 750°C, 900°C, 1000°C; the graphite boat loaded with germanium dioxide is in the seven temperature zones The intermediate residence time is respectively 40min; then, the germanium ingot is obtained by cooling down.

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Abstract

The embodiment of the invention discloses a method for continuously reducing ingot by germanium dioxide. The method comprises the following steps of putting the germanium dioxide into a graphite boat,putting the graphite boat into a hearth, putting the graphite boat in a reducing gas atmosphere, sequentially passing the graphite boat loaded with germanium dioxide through seven heating temperaturezones, wherein the temperature ranges of the seven heating temperature zones are 200-1050 DEG C; and then cooling to obtain the germanium ingot. According to the method, continuous reduction and ingot casting of germanium dioxide are realized through the arrangement of seven temperature zones, the reduction ingot casting time is shortened, the labor intensity is low, the automation degree is high, and the production efficiency and the resistivity of the germanium ingot are improved.

Description

technical field [0001] The invention relates to the technical field of germanium dioxide reduction ingot casting, in particular to a method for germanium dioxide reduction ingot casting. Background technique [0002] In the existing germanium dioxide reduction ingot casting process, the preparation of reduced germanium ingot by the reduction method of germanium dioxide requires two processes of reduction furnace reduction and ingot casting furnace ingot casting, and can only be reduced first to obtain complete reduction. germanium powder, and then the reduced germanium powder is sent to the ingot furnace for ingots to be reduced germanium ingots. In the production process, in order to obtain a reduced germanium ingot, it is necessary to reduce the ingot once and discharge the material once, and the ingot must enter and discharge the material once. The reduction of germanium dioxide to cast reduced germanium ingots not only takes a long time and is labor-intensive, but also ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B41/00C22B5/12
CPCC22B5/12C22B41/00
Inventor 崔丁方李恒方廖吉伟彭明清陈知江陈元欣李雪寅匡子登何斌蔡文红陈志朋罗谦
Owner 云南驰宏国际锗业有限公司
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