A circulating fluidized bed degasser for preparing hydrogen fluoride

A technology of circulating fluidized bed and degassing device, applied in the directions of hydrogen fluoride, fluorine/hydrogen fluoride, etc., can solve the problems of gas-film mass transfer coefficient of specific surface area, gas-phase flow pressure drop, short liquid residence time, large gas-phase pressure drop, etc. , to achieve the effect of improving thermodynamic efficiency, large liquid film mass transfer coefficient, and small liquid backmixing
CN109250688BActive Publication Date: 2020-03-24中科微新材料(深圳)有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
中科微新材料(深圳)有限公司
Publication Date
2020-03-24

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Abstract

The invention relates to the technical field of fluorine chemical industry, particularly to a fluoride hydrogen preparation circulating fluidized bed degassing apparatus, wherein a circulating fluidized bed degassing tower body is divided into an upper section and a lower section, the upper section is a rectifying section, the lower section is a stripping section, the rectifying section is provided with a multi-stage cyclone separation condenser, and the stripping section is provided with a thermostat.
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Description

Technical field

[0001] The invention relates to the technical field of fluorine chemicals, in particular to a circulating fluidized bed degassing device for preparing hydrogen fluoride. Background technique

[0002] Hydrogen fluoride has been widely used in electronics, chemical, petroleum and other industries. It is mainly used to prepare fluoride salts, fluorohaloalkanes, fluorine refrigerants, corrosive glass, impregnated wood, electrolytic element fluorine, etc. Its degassing device is to prepare anhydrous One of the key equipment of hydrogen fluoride. The Chinese invention patent (patent number CN 201720751304.0, the patent name is a degassing tower for the production of anhydrous hydrogen fluoride) discloses a degassing tower for the production of anhydrous hydrogen fluoride, which is characterized by comprising a tower body, Both sides of the bottom of the inner cavity of the tower are connected with support rods, the top of the support rod is connected with an inner towe...

Claims

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