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基于化学链燃烧和催化燃烧原理的甲醇重整器冷启动研究
Study of cold start-up of methanol reformer based on chemical-looping combustion and catalytic combustion principles
- 低碳化学与化工 2026: 1-9.
- 作者机构：
1.中冶京诚工程技术有限公司，北京 100176
2.北京科技大学 能源与环境工程学院，北京 100083
- 作者简介：
李永胜（1990—），博士，工程师，研究方向为氢能开发与利用，E-mail：liyongsheng240091@ceri.com.cn。
- 基金信息：中国五矿科创基金项目(YF241021)
DOI：10.12434/j.issn.2097-2547.20250299
中图分类号： TQ032.4收稿：2025-07-15，
修回：2025-08-14，
网络首发：2026-02-10，
- 稿件说明：
移动端阅览
李永胜,杨永,许家珩等.基于化学链燃烧和催化燃烧原理的甲醇重整器冷启动研究[J].低碳化学与化工,
LI Yongsheng,YANG Yong,XU Jiaheng,et al.Study of cold start-up of methanol reformer based on chemical-looping combustion and catalytic combustion principles[J].Low-Carbon Chemistry and Chemical Engineering,
李永胜,杨永,许家珩等.基于化学链燃烧和催化燃烧原理的甲醇重整器冷启动研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20250299.
LI Yongsheng,YANG Yong,XU Jiaheng,et al.Study of cold start-up of methanol reformer based on chemical-looping combustion and catalytic combustion principles[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20250299.
摘要
针对甲醇在线重整制氢存在冷启动时间过长的问题，提出了甲醇重整器冷启动新方法，即利用甲醇在铜基催化剂上的化学链燃烧反应热和催化燃烧反应热，将催化剂充填床由环境温度直接加热至甲醇自热重整（ATR）所需温度。为验证冷启动新方法的可行性，考察了环境温度和
n
(O
2
)/
n
(CH
3
OH)对冷启动时间的影响，以及
n
(O
2
)/
n
(CH
3
OH)、
n
(H
2
O)/
n
(CH
3
OH)和甲醇液相空速对ATR反应的影响。结果表明，气相空速为4000 h
-1
、
n
(O
2
)/
n
(CH
3
OH)为 = 0.4时，ATR冷启动时间最短，在1 min内催化剂充填床即可由环境温度升高至200 ℃以上。增大
n
(O
2
)/
n
(CH
3
OH)，ATR反应温度和CO选择性随之升高，H
2
产率则先升高后降低；
n
(O
2
)/
n
(CH
3
OH) = 0.4时，甲醇转化率可达100%，H
2
产率最高（2.5 mol/mol）。基于上述冷启动方法，数分钟内即可实现极少外部热源条件下的ATR冷启动。
Abstract
The long cold start-up time is a key challenge in methanol on-line reforming for hydrogen production. A novel cold start-up method for a methanol reformer is proposed
in which the heat released from the chemical-looping combustion reaction and the catalytic combustion reaction of methanol over copper-based catalysts is utilized to directly heat the catalyst packed bed from ambient temperature to the temperature required for methanol autothermal reforming (ATR). To verify the feasibility of the proposed cold start-up method
the effects of ambient temperature and
n
(O
2
)/
n
(CH
3
OH) on the cold start-up time were investigated
as well as the effects of
n
(O
2
)/
n
(CH
3
OH)
n
(H
2
O)/
n
(CH
3
OH) and the methanol liquid hourly space velocity on the ATR reaction performance. The results indicate that at a gas hourly space velocity of 4000 h
-
¹ and an
n
(O
2
)/
n
(CH
3
OH) of 0.4
the ATR cold start-up time is the shortest. Within 1 minute after the start of cold start-up
the temperature of the catalyst packed bed can be increased from ambient temperature to above 200 ℃. With increasing
n
(O
2
)/
n
(CH
3
OH)
the ATR reaction temperature and CO selectivity increase
while the H
2
yield first increases and then decreases. When
n
(O
2
)/
n
(CH
3
OH) is 0.4
the methanol conversion reaches 100%
and the highest H
2
yield of 2.5 mol/mol is achieved. Based on the proposed cold start-up method
ATR cold start-up can be realized within several minutes under conditions requiring minimal external heat input.
关键词
Keywords
references
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