燃料重整装置和燃料重整方法

By combining an ammonia tank, a reformer, and a mixing tank, the ratio of ammonia to hydrogen is controlled using equation calculations. High-concentration hydrogen is generated, mixed with ammonia, and then supplied to the combustion device. This solves the problem of traditional reformers' difficulty in accurately managing the hydrogen ratio, achieving efficient combustion and energy optimization.

CN116696567BActive Publication Date: 2026-07-17NAT UNIV CORP TOKAI NAT HIGHER EDUCATION & RES SYST +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NAT UNIV CORP TOKAI NAT HIGHER EDUCATION & RES SYST
Filing Date
2020-04-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional reformers struggle to precisely manage the hydrogen ratio produced from ammonia, making it difficult to optimize fuel supply, especially during combustion unit start-up or low-load operation, where it is difficult to provide fuel with the optimal composition.

Method used

A fuel reforming unit, including an ammonia tank, a reformer, a mixing tank, and a control device, calculates the combustion rate coefficient and calorific value of the mixed gas using equations, precisely controls the supply and ratio of ammonia and hydrogen, and generates high-concentration hydrogen gas which is mixed with ammonia and then supplied to the combustion device.

Benefits of technology

It achieves high-precision combustion optimization, reduces NOx emissions, improves the energy efficiency of combustion devices, and is suitable for large-scale combustion devices.

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Abstract

本发明涉及燃料重整装置和燃料重整方法。该燃料重整装置包括:氨罐(4);重整器(5),用于重整氨并产生氢含量至少为99%的高浓度氢气;混合罐(7),用于混合氨和氢以进行临时储存;以及控制装置(10),用于控制供应至混合罐(7)的氨和高浓度氢气的各自的供应量。控制装置(10)基于等式(1)计算混合气体相对于基准燃料的燃烧率系数C。等式(1):S0=SH×C+SA×(1‑C)。在等式(1)中,S0为基准燃料的燃烧率,SH为氢的燃烧率,SA为氨的燃烧率,C为混合气体的燃烧率系数。此外,基于等式(2),控制装置(10)确定供应至混合罐的氨和氢的体积分数。等式(2):C=1‑exp(‑A×MB)。在等式(2)中,M为混合气体中氢的体积分数,且A、B为常数。
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