Device for purifying metal by vacuum distillation

A technology for purifying metals and vacuum is applied in the field of devices for purifying metals by vacuum distillation, which can solve the problems of long distillation time, high cost and low utilization rate of raw materials, and achieves the effects of improving distillation efficiency, reducing losses and achieving good effects.

Active Publication Date: 2014-12-24
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] ①The structure of the distiller is not easy to change, the distillation efficiency is low, and the distillation time is long;
[0005] ②Metal vapor is in a dispersed state during distillation, the effect of impurity removal is not ideal, and the utilization rate of raw materials is low;
[0006] ③Mostly made of metal materials, the cost is expensive, and it is difficult to observe the movement process of metal vapor

Method used

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  • Device for purifying metal by vacuum distillation
  • Device for purifying metal by vacuum distillation

Examples

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Embodiment

[0032] Embodiment: Implement three-stage directional distillation to cesium metal

[0033] Such as figure 2 As shown, the flow control directional still is made up of still container 19, distillation tube 23, control rod 26, magnetic substance 25 and magnet 27;

[0034] Wherein, the upper end of the distillation tube 23 is sealed, and the lower end of the distillation tube 23 is connected with the still container 19, and a flow control port 20 and a still outlet 21 are arranged at the bottom of the distillation tube 23, wherein the flow control port 20 is located inside the still container 19, and the still The outlet 21 is located outside the still vessel 19; the still inlet 18 is provided on the top of the still vessel 19;

[0035] The control rod 26 is built into the distillation tube 23, and the lower end of the control rod 26 is provided with an outer grinding port, and an inner grinding port is provided at the position where the inner wall of the distillation tube 23 c...

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Abstract

The invention relates to a device for purifying a metal by vacuum distillation and belongs to the field of vacuum metallurgy. A distiller of the device adopts a flow control directional distiller comprising a distiller container, a distillation pipe, a control rod, a magnetic substance and a magnet, wherein the closing degree of a glass ground conical valve can be flexibly regulated by moving the magnet up and down, and thus the vacuum degree of a space between the distillation pipe and the control rod can be regulated. The invention further relates to the device for purifying the metal by vacuum distillation, which comprises a vacuum system, a flow control directional distillation system and a control system, and the device can flexibly increase or decrease the number of stages of the multi-stage flow control directional distiller according to the purity requirements of the metal to be purified so as to achieve the purpose of obtaining the metal with different purities. The device has good effects in vacuum purification of the metal with a low boiling point, and the purity of 99.9999% can be achieved when the three-stage flow control directional distiller is used.

Description

technical field [0001] The invention relates to a device for vacuum distillation and purification of metal, which belongs to the field of vacuum metallurgy. Background technique [0002] Various existing vacuum distillation devices remove impurities in the metal to be purified according to the difference in the saturated vapor pressure of the metal. The vacuum distillation purification device used is required to have the function of vacuum pumping, heating distillation and condensation reflux. [0003] The current vacuum distillation device is mainly a single-stage vacuum distillation device, and the main problems are: [0004] ①The structure of the distiller is not easy to change, the distillation efficiency is low, and the distillation time is long; [0005] ②Metal vapor is in a dispersed state during distillation, the effect of impurity removal is not ideal, and the utilization rate of raw materials is low; [0006] ③ Most of them are made of metal materials, which are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B9/02C22B9/04
CPCY02P10/20
Inventor 马寅光陈江王骥冯焱成大鹏袁征难朱宏伟黄良育郑宁高玮杨军
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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