Multi-effect synthesis device and method for synthesizing hydrogen sulfide

By designing a multi-effect synthesis device, the problems of low conversion rate, high energy consumption, and insufficient product purity in the direct synthesis of sulfur and hydrogen were solved, realizing efficient and low-energy hydrogen sulfide synthesis.

CN122273464APending Publication Date: 2026-06-26YUNNAN TIN
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Patent Information

Application Number
CN202610711975.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-22
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing direct sulfur-hydrogen synthesis technologies suffer from problems such as low reaction conversion rate, mismatch between mass and heat transfer efficiency, insufficient product purity, high energy consumption, and complex process flow.

Method used

The multi-effect synthesis device includes a vertical columnar liquid sulfur synthesis zone, a gas-liquid two-phase sulfur synthesis zone, and a compensation synthesis zone. Combined with electric heating, catalyst packing, and condenser coils, it realizes the segmented and directional reaction and cascade utilization of sulfur and hydrogen.

Benefits of technology

It improved the reaction conversion rate, reduced energy consumption, enhanced product purity, simplified the process flow, and achieved efficient hydrogen sulfide synthesis.

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Abstract

The invention discloses a multiple-effect synthesis device and method for hydrogen sulfide synthesis, the device is of a vertical columnar structure, and a first-effect liquid sulfur synthesis zone, a second-effect gas-liquid two-phase sulfur synthesis zone, a third-effect compensation synthesis zone and a condensation sulfur supplement zone are sequentially arranged in the device from bottom to top; the first-effect liquid sulfur synthesis area is used for main reaction of molten sulfur and hydrogen; the second-effect gas-liquid two-phase sulfur synthesis area is used for deep reaction of residual sulfur steam and hydrogen, the third-effect compensation synthesis area is used for compensation catalytic synthesis of unconverted hydrogen, and gas-phase sulfur is condensed and refluxed by using temperature drop; a condensing coil is arranged in the condensing sulfur supplementing area and used for conducting gradient cooling on rising gas, gaseous sulfur is condensed into liquid sulfur to fall and be reused, a hydrogen sulfide gas outlet is formed in the top, corresponding to the condensing sulfur supplementing area, of the device, the device has the advantages of being low in energy consumption, high in raw material conversion rate, high in sulfur and hydrogen utilization rate and the like, and the produced hydrogen sulfide product is high in purity.
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