摘要
向天然气中掺混氢气会改变其燃烧特性。以中国东部某沿海城市天然气管网典型气质为样本,研究了掺氢比(氢气体积分数)不超过10%时,供应终端的可行性,并开展了火焰稳定性、火焰传播速度及热值测试。结果表明,当样本气掺氢比为10%时,仍满足12T基准天然气华白数和燃烧势燃气互换性要求,对用气设备功率的影响可以忽略;当掺氢比不超过10%时,火焰稳定性、火焰传播速度及热值等波动较小,用气设备可以正常使用掺氢天然气。
Blending hydrogen in natural gas will change its combustion characteristics.Taking the typical gas quality of a natural gas pipeline network in a coastal city of eastern China as a sample,the feasibility of supplying terminals was studied when the hydrogenblending ratio(hydrogen volume fraction)was not more than 10%,and the flame stability,flame propagation speed and calorific value were tested.The results show that when the hydrogen-blending ratio of the sample gas is 10%,it still meets the requirements of 12T reference natural gas Wobbe index and combustion potential for gas replacement,and the impact on the power of the gas equipment can be ignored.When the hydrogen-blending ratio is not more than 10%,the fluctuation of the flame stability,flame propagation speed and calorific value is small,and the gas equipment can normally use hydrogen-blended natural gas.
作者
刘方
杨宏伟
韩银杉
彭延建
杨玉霞
LIU Fang;YANG Hongwei;HAN Yinshan;PENG Yanjian;YANG Yuxia(Technology R&D Center of CNOOC Gas&Power Group,Beijing 100028,China)
出处
《低碳化学与化工》
CAS
北大核心
2023年第2期174-178,共5页
Low-Carbon Chemistry and Chemical Engineering
基金
中国海洋石油集团有限公司科研课题(CNOOC-KX 135 KXXM QD 2020-009)。
关键词
天然气
掺氢比
火焰稳定性
火焰传播速度
热值
用气设备
natural gas
hydrogen-blending ratio
flame stability
flame propagation speed
calorific value
gas equipment
