An ammonium sulfate preparation system for HPF desulfurization process

The ammonium sulfate production system using the HPF desulfurization process solves the problem of low resource utilization rate of desulfurization wastewater, realizes efficient conversion of desulfurization wastewater and continuous production of ammonium sulfate, and reduces treatment costs and environmental pressure.

CN224493978UActive Publication Date: 2026-07-14SHANDONG YUANSEN METALLURGICAL LOW CARBON ENG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG YUANSEN METALLURGICAL LOW CARBON ENG TECH CO LTD
Filing Date
2025-08-20
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

In the existing HPF desulfurization process, the resource utilization rate of desulfurization waste liquid is low and the treatment cost is high, which increases the environmental pressure and economic burden on enterprises.

Method used

Design an ammonium sulfate production system for HPF desulfurization process, including an oxidation reaction module, a solid-liquid separation module and an ammonium sulfate production module. The system converts desulfurization waste liquid into ammonium sulfate solution through oxidation reaction and uses multi-stage solid-liquid separation and tail gas scrubbing tower for treatment to achieve deep utilization of resources.

Benefits of technology

Converting desulfurization wastewater into production raw materials reduces treatment costs, improves resource utilization, reduces equipment investment, and enables continuous production of ammonium sulfate and achieves environmental benefits.

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Abstract

The utility model discloses an ammonium sulfate preparation system for HPF desulfurization process relates to ammonium sulfate production process technical field, including oxidation reaction module, solid -liquid separation module, ammonium sulfate output module, the oxidation reaction module includes concentrated sulfuric acid supply equipment, desulfurization waste liquid supply equipment, oxidant storage tank, absorption liquid conversion kettle, the solid -liquid separation module includes the solid -liquid separator of primary stage, decoloring kettle, the solid -liquid separator of secondary stage, mother liquor storage tank in proper order is linked, the ammonium sulfate output module includes full flow tank, saturator, crystallization tank, centrifuge, dryer, packing machine, the overall system of the utility model will desulfurization waste liquid treatment and ammonium sulfate production depth coupling, greatly increased resource utilization, compared with traditional salt or incineration process, reduces equipment investment, reduces operating cost, synchronous output qualified ammonium sulfate product and salable single element sulfur, thoroughly solve coking enterprise desulfurization waste liquid disposal problem, has the remarkable economic and environmental protection benefit.
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