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Reaction kettle for preparing sodium pyrosulfite

A technology of sodium metabisulfite and reaction kettle, applied in the field of sodium metabisulfite, can solve problems such as poor mixing effect, and achieve the effects of improving mixing speed, avoiding sliding and good mixing effect

Inactive Publication Date: 2021-04-30
铜鼓县湘鸿化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a reaction kettle for preparing sodium pyrosulfite, which has the advantages of good mixing effect and solves the problem of poor mixing effect of the reaction kettle for preparing sodium pyrosulfite

Method used

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  • Reaction kettle for preparing sodium pyrosulfite
  • Reaction kettle for preparing sodium pyrosulfite
  • Reaction kettle for preparing sodium pyrosulfite

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see Figure 1-3 , a sodium pyrosulfite preparation reactor, comprising a reactor body 1, the bottom of the reactor body 1 is fixedly connected with a bottom plate 2, the bottom of the reactor body 1 is fixedly connected with a discharge pipe, and the number of discharge pipes is two, The bottom of the bottom plate 2 is fixedly connected with a spiral tube 3, the inner wall of the spiral tube 3 is threadedly connected with a screw rod 4, and one end of t...

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Abstract

The invention relates to the technical field of sodium metabisulfite, and discloses a reaction kettle for preparing sodium pyrosulfite. The reaction kettle comprises a reaction kettle body, wherein a bottom plate is fixedly connected to the bottom of the reaction kettle body, a screw pipe is fixedly connected to the bottom of the bottom plate, a connecting rod is fixedly connected to the bottom of the reaction kettle body, one end of the connecting rod is fixedly connected with a universal wheel, and the top of the reaction kettle body is fixedly connected with a motor. The reaction kettle for preparing sodium metabisulfite achieves the purpose of good mixing effect, solves the problem of poor mixing effect of a common reaction kettle for preparing sodium metabisulfite, enables the reaction kettle body to play a very good stirring effect on sodium metabisulfite, avoids the situation of poor mixing effect, can realize full stirring of sodium pyrosulfite in the reaction kettle so as to improve the preparation effect of sodium pyrosulfite, is convenient to use, increased in mixing speed and improved in working efficiency, and further meets use requirements.

Description

technical field [0001] The invention relates to the technical field of sodium pyrosulfite, in particular to a reaction kettle for preparing sodium pyrosulfite. Background technique [0002] Sodium metabisulfite is white or yellow crystalline powder or small crystals, with a strong SO2 smell, and the specific gravity is 1:4. It is soluble in water, and the aqueous solution is acidic. When in contact with strong acid, SO2 is released to form corresponding salts. It can be stored in the air for a long time. It is oxidized to Na2S2O6, so the product cannot be stored for a long time. When it is higher than 150 degrees Celsius, it will decompose SO2, which is used for the production of hydrosulfite, sulfamethazine, caprolactam, etc., as well as the purification of chloroform, phenylpropyl sulfone and benzaldehyde , the photographic industry is used as a fixing agent ingredient, the fragrance industry is used to produce vanillin, it is used as a preservative in the brewing industry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/18B01J19/00C01D5/14
CPCB01J19/1856B01J19/0053B01J19/0066C01D5/145B01J2219/00022
Inventor 刘俊明
Owner 铜鼓县湘鸿化工有限公司
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