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Manufacturing method of high-density rodlike antimony

A manufacturing method and densification technology are applied in the field of manufacture of antimony profiles to achieve the effects of improving purity and density, improving utilization rate and high density

Inactive Publication Date: 2020-12-08
武汉拓材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a method for producing highly dense rod-shaped antimony, which solves the urgent problem of preparing high-purity, high-density rod-shaped antimony materials

Method used

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  • Manufacturing method of high-density rodlike antimony

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for manufacturing highly dense rod-shaped antimony, comprising the following steps:

[0027] S1. Cleaning and drying treatment of quartz tube: wash the quartz tube with one end open and one end closed with hydrofluoric acid to remove the white silica attached to the inner and outer surfaces of the quartz tube; soak the quartz tube in aqua regia for more than 8 hours, clean the inside and outside of the quartz tube The impurities on the surface are pickled and cleaned; the quartz tube after pickling is cleaned with high-purity water, and dried in an infrared lamp drying box for 4 hours. Hydrochloric acid, due to the high melting point of antimony, the container for containing the raw material of antimony particles must be a high-temperature-resistant container. In view of the need to prepare rod-shaped antimony materials, quartz tubes are selected as the container for antimony particles. The choice of hydrofluoric acid is Because hydrofluoric acid can dissolve t...

Embodiment 2

[0034] A method for manufacturing highly dense rod-shaped antimony, comprising the following steps:

[0035] S1. Cleaning and drying treatment of quartz tube: wash the quartz tube with one end open and one end closed with hydrofluoric acid to remove the white silica attached to the inner and outer surfaces of the quartz tube; soak the quartz tube in aqua regia for more than 8 hours, clean the inside and outside of the quartz tube The impurities on the surface are pickled and cleaned; the quartz tube after pickling is cleaned with high-purity water, and dried in an infrared lamp drying box for 4 hours. Hydrochloric acid, due to the high melting point of antimony, the container for containing the raw material of antimony particles must be a high-temperature-resistant container. In view of the need to prepare rod-shaped antimony materials, quartz tubes are selected as the container for antimony particles. The choice of hydrofluoric acid is Because hydrofluoric acid can dissolve t...

Embodiment 3

[0042] A method for manufacturing highly dense rod-shaped antimony, comprising the following steps:

[0043] S1. Cleaning and drying treatment of quartz tube: wash the quartz tube with one end open and one end closed with hydrofluoric acid to remove the white silica attached to the inner and outer surfaces of the quartz tube; soak the quartz tube in aqua regia for more than 8 hours, clean the inside and outside of the quartz tube The impurities on the surface are pickled and cleaned; the quartz tube after pickling is cleaned with high-purity water, and dried in an infrared lamp drying box for 4 hours. Hydrochloric acid, due to the high melting point of antimony, the container for containing the raw material of antimony particles must be a high-temperature-resistant container. In view of the need to prepare rod-shaped antimony materials, quartz tubes are selected as the container for antimony particles. The choice of hydrofluoric acid is Because hydrofluoric acid can dissolve t...

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Abstract

The invention discloses a manufacturing method of high-density rodlike antimony, and relates to the technical field of antimony profile manufacturing. The manufacturing method comprises the followingsteps that S1, a quartz tube is cleaned and dried; S2, preparation treatment of high-purity antimony is carried out; S3, loading treatment is conducted, wherein after antimony particles are prepared to achieve the required size, the antimony particles are loaded into the cleaned and dried quartz tube, the quartz tube is vertically placed into a quartz outer tube, the whole of the quartz tube and the quartz outer tube is placed into a muffle furnace, the interior of the quartz outer tube is vacuumized to 10<-4>-10<-3> Pa, the temperature in the muffle furnace is increased to 700-750 DEG C, andthe temperature range is kept for 25-35 min; S4, the antimony particles are melted, cooled and formed; and S5, anti-oxidation packaging treatment is carried out. The rodlike antimony prepared by usingthe method has high purity and density. According to the manufacturing method, preparation of the high-purity antimony is completed by adopting the method comprising the steps of carrying out pressurizing, carrying out deep purification through vacuum distillation and then using diaphragm electrolytic deposition before preparation of the high-density rodlike antimony, so that the prepared rodlikeantimony has relatively high compactness.

Description

technical field [0001] The invention relates to the technical field of manufacturing antimony profiles, in particular to a method for manufacturing high-density rod-shaped antimony. Background technique [0002] Antimony is one of the main group V elements in the periodic table of elements, and it is a half-metal element between metals and semiconductors. The atomic weight of antimony is 121.75, and the atomic number is 51. The metal antimony is brittle, brittle, and non-ductile. As the purity of the metal increases, its mechanical strength decreases. The melting point of antimony is 903.5K, and it is volatile. When the solid-liquid phase transition occurs, the volume changes little. When pure antimony solidifies, the volume shrinkage rate is 0.79±0.14%. Antimony is a relatively stable metal. It can maintain its surface luster without being oxidized even if it is placed in humid air for a long time at room temperature. Antimony is insoluble in water and is relatively stable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C1/22C22B30/02C23G1/10B22C9/22C23C26/00B08B9/02
CPCB08B9/02B22C9/22C22B30/02C23C26/00C23G1/10C25C1/22
Inventor 卢鹏荐曾小龙范晨光黄顼夏文俊
Owner 武汉拓材科技有限公司