Gas outlet method of converter in anhydrous hydrofluoric acid production line

An anhydrous hydrofluoric acid, production line technology, applied in separation methods, chemical instruments and methods, perfluorocarbon/hydrofluorocarbon capture, etc., can solve problems affecting stable production operation, casualties, leakage, etc., Achieve the effect of buffering corrosion, prolonging service life and reducing safety accidents

Active Publication Date: 2019-02-01
浙江森田新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the design is improper, it will lead to leakage, blockage, etc., which will not only affect the stable operation of production, but also easily cause safety accidents such as casualties

Method used

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  • Gas outlet method of converter in anhydrous hydrofluoric acid production line
  • Gas outlet method of converter in anhydrous hydrofluoric acid production line
  • Gas outlet method of converter in anhydrous hydrofluoric acid production line

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Embodiment Construction

[0032] Such as Figure 1 to Figure 4 Shown, a kind of anhydrous hydrofluoric acid production line converter gas outlet method comprises the steps:

[0033] (1) Assembly of intake buffer 3:

[0034] a. Before assembling the intake buffer 3, firstly take the various parts of the intake buffer 3, including the casing 28, the motor 27, the driving gear shaft 23, the steel rod 21, the shoulder 26, the connecting plate 25, and the reciprocating gear 24. The inlet plug 20 and the outlet plug 17; the upper end of the casing 28 is provided with an outlet 16, the lower end of the casing 28 is provided with an inlet 19, and a gas flow channel 18 is formed in the casing 28; on the surface of each component and the casing 28 The inner surface is painted with anti-corrosion coating, and the anti-corrosion coating is selected from one of modified phenolic resin, barite, and nano-chromium powder. These anti-corrosion materials are dense and stable, and have good resistance to strong acids, ...

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Abstract

The invention discloses a gas outlet method of a converter in an anhydrous hydrofluoric acid production line. The method comprises the following steps: (1) an air inlet buffer is assembled; (2) pipelines are connected, concretely a reducing multi-way connecting pipe is connected to the air inlet buffer, and connecting pipes are connected with the reducing multi-way connecting pipe; (3) water pipesare connected at the places where the connecting pipes are connected with a washing tower, each water pipe is provided with an electromagnetic valve, and a corresponding central control electric boxis arranged; (5) air outlet is carried out: concretely the air inlet buffer is turned on after a preparation reaction starts for 5-10 minutes, and hydrogen fluoride gas flows dispersedly into the connecting pipes and then is sent into the washing tower through the connecting pipes; (6) pipeline washing is carried out. On one hand, the air inlet buffer is arranged to reduce the air outlet volume ofthe hydrogen fluoride gas in unit time, so that the gas conveying volume in unit time in the connecting pipes is low, and then the corrosion effect of the hydrogen fluoride gas on pipe walls is reduced; and on the other hand, a plurality of connecting pipes are adopted for shunting and conveying the hydrogen fluoride gas, and the conveying volume of each connecting pipe is reduced, so that the corrosion effect is further buffered, and production safety is improved.

Description

technical field [0001] The invention belongs to a hydrofluoric acid production line and relates to a converter gas outlet method for an anhydrous hydrofluoric acid production line. Background technique [0002] Hydrogen fluoride is a colorless liquid or gas with a molecular weight of 20.01 and is easily soluble in water. Its boiling point is 19.5°C and it is non-flammable. It is a highly hazardous medium, the maximum allowable concentration in the air is 1mg / m 3 . Its toxicity hazard is that it has a strong stimulating effect on the respiratory mucosa and skin. Inhalation of high concentrations of hydrogen fluoride can cause bronchitis and pneumonia, and even produce radioactive asphyxiation. Hydrogen fluoride is highly corrosive to metal, glass and silicon-containing objects. If it encounters high heat, the internal pressure of the container will increase rapidly, and there is a danger of cracking and explosion. [0003] The production process of anhydrous hydrogen fluo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18C01B7/19
CPCB01D53/18B01D2257/2047C01B7/192Y02C20/30
Inventor 胡伟民章志诚秦兴
Owner 浙江森田新材料有限公司
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