Online loading and unloading anti-hardening system for blast furnace gas fine desulfurization system

Through the online loading and unloading anti-plate bonding system, the packing is loosened regularly by using the effect of cutting valve group and gravity, the problem of packing laminate bonding in the blast furnace gas desulfurization system is solved, ensuring system safety and unloading smoothness.

CN223292499UActive Publication Date: 2025-09-02WISDRI ENG & RES INC LTD
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Patent Information

Application Number
CN202422497543.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-09-02
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

In blast furnace gas desulfurization system, the filler layer is prone to plate bonding and uneven discharge due to the long-term failure of loosening.

Method used

An online loading and unloading anti-plate bonding system was designed. When the system was running normally, it used the cutting valve group and gravity to load and unload the packing on a regular basis to avoid the inner plural bonding of the packing layer, and the problem of thermal expansion and contraction of the pipeline was solved through a corrugated compensator, and a nitrogen purge head was set to prevent gas from escaping.

Benefits of technology

It realizes the avoidance of packing plate bonding during normal operation of the system, improves system safety and unloading smoothness, prevents gas leakage, and ensures stable operation of the system.

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Abstract

The utility model discloses an on-line loading and unloading anti-hardening system for a blast furnace gas fine desulfurization system, which comprises a loading unit and an unloading unit which are arranged in a sealed manner, the charging unit is positioned at the top of the reactor and is communicated with all the feeding holes; the unloading unit is located at the bottom of the reactor, and the unloading unit is communicated with all the unloading ports; a first stop valve set is arranged at the communication position between the loading unit and the feeding port, and a second stop valve set is arranged at the communication position between the unloading unit and the unloading port. Through opening and closing of the first switching valve group and the second cut-off valve group, when the system normally operates, gas is not cut off, and through on-line regular loading and unloading of a part of filler and loosening of the filler in the filler layer, the internal hardening phenomenon caused by the fact that the filler does not loosen after long-time working is avoided.
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