Vacuum distillation and forming device and method for extracting metal calcium from carbide slag

A distillation device and a technology for extracting metals, applied in metal processing equipment, improvement of process efficiency, ingot casting workshop, etc., can solve the problem that the production site and tail gas emissions do not meet environmental protection requirements, there are no environmental protection facilities and monitoring methods, and the level of process automation Low-level problems, to ensure smooth and stable operation, convenient and fast material delivery, and achieve the effect of distillation environment

Pending Publication Date: 2021-08-17
鄂尔多斯市欣欣宸瑞高纯材料有限公司
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  • Description
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  • Application Information

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Problems solved by technology

Among them, the production of calcium metal by molten salt electrolytic distillation was introduced in my country in the 1950s and has been in operation for more than 50 years. During this period, no major upgrades have been carried out. The production process and equipment are still basically maintained at the level of the 1950s and 1960s, and the level of process automation is low. , the production efficiency is low, and because the production process has no supporting environmental protection facilities and monitoring means, the production site and exhaust emissions cannot meet the environmental protection requirements

Method used

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  • Vacuum distillation and forming device and method for extracting metal calcium from carbide slag
  • Vacuum distillation and forming device and method for extracting metal calcium from carbide slag
  • Vacuum distillation and forming device and method for extracting metal calcium from carbide slag

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Embodiment approach

[0109] to combine figure 1 and figure 2 As shown, according to an embodiment of the present invention, the vacuum calcium distillation furnace 11 is provided with a feed pipe 111 for continuous feeding and a refined calcium discharge pipe 112 for continuous discharge. In this embodiment, the feed pipe 111 communicates with the part of the vacuum calcium distillation furnace 11 located in the heating base 12 ; the refined calcium discharge pipe 112 communicates with the part of the vacuum calcium distillation furnace 11 covered with the cooling device 13 .

[0110] to combine figure 1 and figure 2 As shown, according to an embodiment of the present invention, a plurality of evaporation trays 113 are arranged in the vacuum calcium distillation furnace 11; in this embodiment, the evaporation trays 113 are annular trays. In this embodiment, the evaporation tray 113 takes heat from the nearby furnace wall of the vacuum calcium distillation furnace 11 to realize the function of...

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Abstract

The invention relates to a vacuum distillation and forming device and method for extracting metal calcium from carbide slag. The vacuum distillation device comprises a vacuum calcium distillation furnace (11) and a heating furnace seat (12) for mounting the vacuum calcium distillation furnace (11); a part of the vacuum calcium distillation furnace (11) is covered with a cooling device (13), and the rest part of the vacuum calcium distillation furnace (11) is positioned in the heating furnace seat (12); and the cooling device (13) is positioned above the heating furnace seat (12). The vacuum distillation device is high in distillation efficiency, and the production efficiency of refined calcium is greatly improved.

Description

technical field [0001] The invention relates to the technical field of high-purity calcium production, in particular to a vacuum distillation and molding device and method for extracting metallic calcium from carbide slag. Background technique [0002] Calcium is a metal element with extremely active chemical properties. Metal calcium can be widely used in metallurgy, petrochemical and other industries as a reducing agent for purifying uranium in the nuclear industry, a reducing agent for the metallurgical industry, a deoxidizer for alloys, and a dehydrating agent for oil. At present, the production methods of metallic calcium mainly include the production process of preparing metallic calcium by electrolytic distillation of molten salt using calcium oxide as raw material and the production process of preparing metallic calcium by using calcium oxide as raw material aluminothermic reduction. Among them, the production of calcium metal by molten salt electrolytic distillation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B26/20C22B9/02B22D9/00B22D7/00
CPCC22B26/20C22B9/02B22D9/00B22D7/005Y02P10/20
Inventor 杨宸祥闫培英王敬红李文平麻占宝冯康
Owner 鄂尔多斯市欣欣宸瑞高纯材料有限公司
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