System and method for producing sulfur dioxide and related sulfuric acid plant
By incorporating the gas-phase combustion step into the sulfuric acid equipment, the characteristics of the sulfur allotrope are used to reduce the size and complexity of the sulfur condenser, solving the complexity and cost of the sulfur condenser in the sulfuric acid equipment, and achieving more efficient energy recovery.
CN116113598BActive Publication Date: 2025-03-25CHEMETICS INC
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Patent Information
- Application Number
- CN202180054493.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2020-09-09
- Filing Date
- 2021-08-13
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2041-08-13
AI Technical Summary
Technical Problem
When producing sulfur dioxide, existing sulfuric acid equipment needs to deal with a large amount of sulfur vapor, resulting in the sulfur condenser operating at high or low temperatures, and the equipment is complex and costly.
Method used
By incorporating additional gas-phase combustion steps into the system producing sulfur dioxide, the types, amounts and characteristics of various sulfur allotropes are utilized to significantly reduce the amount of sulfur vapor required to be condensed and improve energy recovery.
Benefits of technology
The reduction of sulfur condenser is achieved, reducing the complexity and cost of equipment, while improving the efficiency of energy recovery.
✦ Generated by Eureka AI based on patent content.
Abstract
Improved systems and methods for producing sulfur dioxide using oxygen and submerged combustion are disclosed. By incorporating a gas phase combustion step in addition to the submerged combustion step, the downstream sulfur condenser can be made significantly smaller, while reducing complexity and cost. In addition, energy recovery is simplified and improved.
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