Method and Apparatus for Heat Generation

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This invention describes a method and a device for safely and efficiently generating heat using a mixture of a gaseous fuel (like hydrogen or methane) and a gaseous oxidant (such as air), where the mixture has an oxygen concentration below the threshold required for explosiveness. The oxidation process is catalyzed (using a solid catalyst) and is engineered so that no explosive mixtures are ever present, making the process inherently safer. Heat is transferred directly from the catalyst to the heat sink, avoiding complicated secondary loops.

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• Industrial process heat generation where safety is critical and explosive atmospheres are a risk (e.g., chemical plants, refineries).
• Decentralized hydrogen or methane heaters for buildings or facilities.
• Providing heat for thermally-driven reactions like ammonia cracking for hydrogen production.
• On-site energy solutions in locations with strict safety regulations regarding flammable gases.
• Retrofitting existing fuel-based heating systems to improve safety and efficiency.

BenefitsContent extracted from patent full text and abstract with AI.

• Greatly increased safety since explosive fuel-oxidant mixtures are avoided at all stages.
• Higher system efficiency due to direct heat transfer and potential use of waste heat (condensation heat from water vapor).
• Reduced engineering complexity and cost (no need for heavy explosion protection systems, robust high-temperature materials, or secondary heating loops).
• Lower operational risks and maintenance costs.
• Broad applicability with various gaseous fuels and inerting strategies.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a method and a device for generating heat. In a method for generating heat, a mixture (3) comprising a gaseous fuel (1) and a gaseous oxidant (2) is produced. The fuel (1) is oxidized. The mixture (3) lies outside the explosive range; more specifically, the oxygen content of the mixture lies below the oxygen concentration limit. A particularly safe and technically simple method is thus provided.