An ammonia-hydrogen power generation system using biogas for heating

By designing an ammonia hydrogen power generation system that uses biogas heating, using biogas combustion to provide heat and using heat through the circulating water tank system, the problems of insufficient utilization of heat energy and high energy consumption in the existing system are solved, and the ammonia decomposition and power generation efficiency are improved.

CN119400909BActive Publication Date: 2025-04-01FZU ZIJIN HYDROGEN POWER TECH CO LTD +1
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Patent Information

Application Number
CN202411981817.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-01
Estimated Expiration
2044-12-31

AI Technical Summary

Technical Problem

The existing biogas utilization and ammonia hydrogen power generation systems operate independently, and the synergistic effect of the combination of the two has not been fully utilized, resulting in the inadequate utilization of thermal energy and the energy consumption of hydrogen and ammonia preparation processes is high.

Method used

An ammonia hydrogen power generation system is designed to use biogas heating. By burning the biogas separated from the sewage to provide heat to the ammonia decomposition reactor, and circulating through multiple water coolers and evaporators and circulating water tanks, the full utilization of heat and the balance of system temperature is achieved.

Benefits of technology

The efficiency of ammonia gas decomposition is improved, the effective utilization of energy is realized, the start-up steps of the ammonia decomposition process are simplified, the start-up time of the ammonia decomposition reactor is shortened, and the power generation efficiency and energy utilization rate of the entire system are improved.

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Abstract

The present application discloses an ammonia hydrogen power generation system using biogas for heating, including a sewage decomposition mechanism, a combustion mechanism, an ammonia decomposition reactor, a first water cooler, a second water cooler, an evaporator, a water circulation mechanism, a power generation mechanism, an ammonia tank and a flue gas treatment mechanism, wherein the sewage decomposition mechanism is connected to the combustion mechanism; the combustion mechanism is connected to the ammonia decomposition reactor; the ammonia tank is connected to the evaporator and the ammonia decomposition reactor in turn; the decomposition gas outlet of the ammonia decomposition reactor is connected to the first water cooler and the power generation mechanism in turn; the flue gas outlet of the ammonia decomposition reactor is connected to the second water cooler and the flue gas treatment mechanism in turn; the water circulation mechanism includes a first water tank and a circulating water tank that are connected, and the water circulation mechanism is connected to the sewage decomposition mechanism; the circulating water tank, the first water cooler, the second water cooler and the evaporator are connected in series. The ammonia hydrogen power generation system using biogas for heating improves the effective utilization rate of energy, the ammonia decomposition efficiency and the power generation, and simplifies the ammonia decomposition startup steps.
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