Tellurium retort

A distillation furnace and distillation tank technology, applied in distillation separation, selenium/tellurium compounds, inorganic chemistry, etc., can solve the problems of small capacity and low output of tellurium distillation furnaces, achieve improved reflux effect, increase crystal quality, and obvious temperature gradient Effect
CN101062764AInactive Publication Date: 2007-10-31成都汉普高新材料有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
成都汉普高新材料有限公司
Publication Date
2007-10-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a solid fusion distilling technology especially a tellurium retort structure, which comprises the following steps: resolving the problems of small volume and low output; making the tellurium retort comprises distilling pot, copple and condenser; producing the distilling pot with rustless steel; choosing the diameter of distilling pot at 200-300mm, equipping column plate on the lower end of the condenser. This invention increases the output of single furnace and decreases the cost of production.
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Description

technical field

[0001] The invention relates to solid melting distillation technology, in particular to tellurium distillation furnace structure. Background technique

[0002] Vacuum distillation is an important method for preparing high-purity tellurium, which is generally used in the production of 5N high-purity tellurium (99.999% tellurium content). The basic principle of this method is: heat 4N tellurium to the melting point, and the liquid tellurium volatilizes into tellurium vapor in a vacuum state, and the tellurium vapor rises and condenses when it is condensed. Different, condensed in different areas, so that impurity elements can be separated.

[0003] The structure of the existing tellurium distillation equipment (distillation furnace) generally includes a distillation tank, a crucible and a condenser. The distillation tank is placed in the heating furnace, the crucible and the condenser are placed in the distillation tank, the lower end of the condenser is conn...

Claims

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