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Reaction kettle for preparing hydrofluoric acid

A reaction kettle and hydrofluoric acid technology, applied in the direction of fluorine/hydrogen fluoride, etc., can solve the problem of high metal ion content, achieve the effect of improving comprehensive performance and ensuring comprehensive performance

Inactive Publication Date: 2011-10-12
无锡东风新能源科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0002] The preparation of existing hydrofluoric acid uses a reaction kettle for the preparation of hydrofluoric acid, which directly uses steel cylinders or full-carbon steel, and the reaction kettle is produced under direct heating of water or steam, and the metal ions of steel cylinders or full-carbon steel are just It will enter into hydrofluoric acid, resulting in a high content of metal ions in hydrofluoric acid, reaching 1ppm. It is only suitable for corrosion in diodes. The products are AR grade, GR grade, and EL grade

Method used

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  • Reaction kettle for preparing hydrofluoric acid
  • Reaction kettle for preparing hydrofluoric acid

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Embodiment Construction

[0008] The present invention includes a reaction kettle body 2, which is provided with a feed port 3 and a discharge port 5, and the reaction kettle body 2 is a stainless steel kettle body or a graphite kettle body. The reactor body 2 is also provided with an inlet 4 for additives, 1 is a support, 6 is a thermometer hole, and 7 is a pressure gauge hole.

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Abstract

The invention relates to the technical field of chemical reaction kettles, in particular to a reaction kettle for preparing hydrofluoric acid. The hydrofluoric acid prepared by the reaction kettle has lower metal content which can reach 1-10ppb and has higher quality. The reaction kettle comprises a reaction kettle body which is provided with a feed opening and a discharge opening. The reaction kettle is characterized in that a kettle body of the reaction kettle is a stainless steel kettle body or a graphite kettle body. Furthermore, the reaction kettle body is also characterized by being provided with an inlet of an addictive.

Description

technical field [0001] The invention relates to the technical field of chemical reaction kettles, in particular to a reaction kettle for preparing hydrofluoric acid. Background technique [0002] The preparation of existing hydrofluoric acid uses a reaction kettle for the preparation of hydrofluoric acid, which directly uses steel cylinders or full-carbon steel, and the reaction kettle is produced under direct heating of water or steam, and the metal ions of steel cylinders or full-carbon steel are just It will enter into hydrofluoric acid, resulting in a high content of metal ions in hydrofluoric acid, reaching 1ppm. It is only suitable for corrosion in diodes. The products are AR grade, GR grade, and EL grade. Contents of the invention [0003] In view of the above problems, the present invention provides a special equipment for the preparation of hydrofluoric acid. The hydrofluoric acid prepared by the reactor has a low metal content, which can reach 1-10 ppb, and the q...

Claims

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Application Information

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IPC IPC(8): C01B7/19
Inventor 王明
Owner 无锡东风新能源科技有限公司
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