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Antimony pentafluoride rectification equipment

An antimony pentafluoride essence and equipment technology, applied in the field of rectification, can solve the problems of increasing antimony pentafluoride impurities, slowing product purity, accelerating corrosion rate, etc. Effect

Active Publication Date: 2014-04-09
FUJIAN YONGJING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Antimony pentafluoride has strong oxidizing properties and can react with most metals, so it will slowly corrode rectification equipment and make the purity of rectification products not high
The rectification process requires high heating temperature, which often accelerates the corrosion rate and increases the impurities in antimony pentafluoride

Method used

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  • Antimony pentafluoride rectification equipment

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Embodiment Construction

[0031] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0032] see figure 1 As shown, the antimony pentafluoride rectification equipment of this embodiment includes a distillation condenser 1 and a recovery condenser 2;

[0033] The distillation condenser 1 includes a heating zone 10, a first condensation zone 11, and a temperature control zone 12 from bottom to top. The heating zone 10 is provided with a temperature measuring rod 100, and the heating zone 10 is provided with a steam heating clamp. cover 101, the side of the heating zone 10 is provided with a material inlet 102, the bottom of the heating zone 10 is provided with a slag removal port 103, the first condensation zone 11 is provided with a first cooling tube 110, and the temperature A temperature sensor 120 is provided in the cont...

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Abstract

The invention relates to antimony pentafluoride rectification equipment, which includes a distilling condenser and a recovery condenser. A liquid antimony pentafluoride crude product is subjected to heating gasification in a heating area of the distilling condenser, then undergoes at least twice condensation in a first condensation area and a second condensation area so as to form tail gas, so that the antimony pentafluoride in the gas phase can condense more fully, and the yield of the antimony pentafluoride product can be enhanced. The antimony pentafluoride primary product obtained by twice condensation in the first condensation area and the second condensation area then passes through a reflux inlet and a reflux outlet to undergo repeated cycling rectification in the distilling condenser and the recovery condenser, so that the antimony pentafluoride can be separated from other impurities more thoroughly, and the finally obtained antimony pentafluoride product can have higher purity. At the same time, the insides of the distilling condenser and the recovery condenser always maintain a negative pressure state, the temperature needed by heating gasification is lowered, and the corrosion degree of antimony pentafluoride on the rectification equipment is reduced, thereby reducing the generation of impurities and enhancing the product purity.

Description

technical field [0001] The invention relates to the technical field of rectification, in particular to antimony pentafluoride rectification equipment. Background technique [0002] Antimony pentafluoride has a strong oxidizing property and can react with most metals, so it will slowly corrode the rectification equipment and make the purity of the rectified product not high. The rectification process requires high heating temperature, which often accelerates the corrosion rate and increases the impurities in antimony pentafluoride. Contents of the invention [0003] In order to overcome the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide an antimony pentafluoride rectification equipment with high product purity. [0004] In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: [0005] An antimony pentafluoride rectification equipment,...

Claims

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Application Information

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IPC IPC(8): B01D3/14C01G30/00
Inventor 吴鸿罗建文
Owner FUJIAN YONGJING TECH CO LTD
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