A gas desulfurization and hydrolysis composite tank and blast furnace gas fine desulfurization system

By using a gas demulsification and hydrolysis composite tank in the blast furnace gas system, it is designed to flow radially and has a mesh partition, the problem of large gas pressure loss after catalytic hydrolysis is solved, and efficient blast furnace gas desulfurization and high-pressure transportation are achieved.

CN112812853BActive Publication Date: 2025-09-02SHANGHAI XUANDING METALLURGICAL TECH GRP CO LTD
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Patent Information

Application Number
CN202110160564.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-05
Publication Date
2025-09-02
Estimated Expiration
2041-02-05

AI Technical Summary

Technical Problem

After the catalytic hydrolysis process, the gas pressure loss of entering the residual pressure turbine power generation device is too large and the resistance along the way is large, resulting in the gas pressure not reaching the ideal state and cannot meet the requirements of efficient removal of organic sulfides.

Method used

A gas demulsification and hydrolysis composite tank is designed to flow radially, with a gas inlet and outlet set up, and three mesh partitions are installed in the tank body to separate the tank body into a gas distribution room, a demulsification room and a catalytic hydrolysis room, and demulsification and organic catalytic converter are placed respectively. The gas flows radially, reducing resistance along the route and increasing gas pressure.

Benefits of technology

It reduces the gas resistance along the route, reduces pressure loss, increases the gas pressure entering the residual pressure turbine power generation device, meets the requirements of removing impurities and catalytic hydrolysis, and achieves efficient blast furnace gas desulfurization.

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Abstract

The invention discloses a gas decontamination and hydrolysis composite tank and a blast furnace gas fine desulfurization system, comprising a reaction tank body, wherein a gas inlet and a gas outlet are radially arranged on the reaction tank body, three mesh partitions are arranged inside the reaction tank body, the mesh partitions are arranged parallel to the center line of the reaction tank, and the gas flows radially along the tank body. The mesh partitions divide the interior of the reaction tank body into a gas distribution chamber, a decontamination chamber, a catalytic hydrolysis chamber and a gas collecting chamber. The gas inlet is arranged on the gas distribution chamber side of the reaction tank body, and the gas outlet is arranged on the gas collecting chamber side of the reaction tank body. A decontamination agent is placed in the decontamination chamber, and an organic catalytic converter is placed in the catalytic hydrolysis chamber. The gas enters the gas distribution chamber from the gas inlet, flows uniformly toward the decontamination chamber and the catalytic hydrolysis chamber, and is discharged through the outlet after merging in the gas collecting chamber. The gas has low resistance along the gas flow and low pressure loss, and can meet the requirements of removing harmful impurities in blast furnace flue gas and catalytically hydrolyzing organic sulfides.
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