Combustion system, method for purging ammonia gas in combustion system, and method for supplying ammonia gas in combustion system
A combustion system using nitrogen and air for purging and sealing ammonia gas piping addresses cost issues in existing systems by efficiently purging and maintaining seals, enhancing safety and reducing costs.
WO2025191903A1 Publication Date: 2025-09-18IHI CORP
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Patent Information
- Application Number
- PCT/JP2024/037706
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-03-15
- Filing Date
- 2024-10-23
- Publication Date
- 2025-09-18
AI Technical Summary
Technical Problem
The use of nitrogen for purging ammonia gas from piping in combustion systems increases costs, and maintaining gas sealing after purging is necessary to prevent pressure drops.
Method used
A combustion system that uses a combination of nitrogen and air as inert gases to purge and seal the piping, controlled by a control device to manage the flow through multiple valves, ensuring efficient purging and sealing without excessive costs.
Benefits of technology
The system effectively purges ammonia gas and maintains piping seals using less expensive air, reducing operational costs while ensuring safety and reliability.
✦ Generated by Eureka AI based on patent content.
Abstract
A combustion system 100 comprises: a burner 12; a fuel conduit L1 which is connected to the burner 12, and through which ammonia gas ga is supplied to the burner 12; a fuel valve V2 which is provided in the fuel conduit L1, and which opens and closes the fuel conduit L1; a first gas conduit L3 which is in fluid communication with the fuel conduit L1 between the burner 12 and the fuel valve V2, and through which a first gas g1 inert to the ammonia gas ga is supplied to the fuel conduit L1; and a second gas conduit L4 which is in fluid communication with the fuel conduit L1 between the burner 12 and the fuel valve V2, and through which a second gas g2 inert to the first gas g1 is supplied to the fuel conduit L1.
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