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Sodium pyrosulfite hot gas recovery system

A sodium pyrosulfite recovery system technology, applied in the field of sodium pyrosulfite hot gas recovery system, can solve the problems that the gas cannot be kept warm, the impurity gas cannot be removed, and the SO2 gas does not have multiple treatment procedures, so as to reduce pollution and corrosion The effect of the presence of sexual substances

Pending Publication Date: 2018-07-17
铜鼓县湘鸿化工有限公司
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a sodium pyrosulfite hot gas recovery system to solve the problems in the above-mentioned background technology that the gas cannot be kept warm, the impurity gas cannot be removed, and the SO2 gas does not have multiple processing procedures.

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  • Sodium pyrosulfite hot gas recovery system
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  • Sodium pyrosulfite hot gas recovery system

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Embodiment Construction

[0016] 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.

[0017] see Figure 1-3 , the present invention provides a technical solution: a sodium pyrosulfite hot gas recovery system, including a system main body 1, a bracket 2, a collection pipe 3, a rubber plug switch 4, a double-hole rubber plug a5, a supporting foot 6, an operation button 7, and a display 8 , insulation layer 9, U-shaped conduit 10, connecting pipe 11, blower fan 12, double hole rubber plug b13, discharge pipe 14, heating module 15 and lye bottle 1...

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Abstract

The invention discloses a sodium pyrosulfite hot gas recovery system comprising a system main body. One side of the system main body is provided with a bracket, a collecting tube is arranged on the one side of the bottom of the bracket, the outer surface of the bracket is provided with a rubber plug switch, and the inner surface of the rubber plug switch is fixed provided with a double-hole rubberplug switch a. The bottom of the system main body is provided with four support legs. The outer surface of the system main body is respectively provided with an operation button and a display, the operation button and the display are horizontally arranged, heat preservation layers are arranged around the inner wall of the system main body, one side of the inside of the system main body is provided with a ''U'' shaped conduit, after SO2 gas enters the ''U'' shaped conduit, the SO2 gas is chemically reacted with water in the ''U'' shaped conduit to form sulfurous acid, the sulfurous acid reacted with lye to produce non-toxic chemicals, best hot gas recovery effect is achieved, corrosive substances are reduced, and air pollution is reduced.

Description

technical field [0001] The invention relates to the field of hot gas recovery, in particular to a sodium pyrosulfite hot gas recovery system. Background technique [0002] Sodium metabisulfite is white or yellow crystalline powder or small crystals with a strong SO2 smell and a specific gravity of 1.4. It is soluble in water and its aqueous solution is acidic. When in contact with strong acids, it will release SO2 and form corresponding salts. It will oxidize when placed in the air for a long time. into Na2S2O6, so the product cannot be stored for a long time. Above 150 degrees Celsius, SO2 will be decomposed, and hot gas will be used in the production of sodium metabisulfite. The hot gas recovery system can improve the utilization efficiency of hot gas resources. [0003] The existing hot gas recovery system for sodium pyrosulfite cannot be well insulated and heated during the recovery of hot gas in the production process of sodium pyrosulfite, resulting in rapid cooling o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/50B01D53/78
CPCB01D53/50B01D53/78
Inventor 刘俊明
Owner 铜鼓县湘鸿化工有限公司
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