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1)  hydrogen nitrogen control
氢氮比控制
2)  control of nitrogen&hydrogen content
氮氢含量控制
3)  H-N ratio
氢氮比
1.
Application of non-model control system of H-N ratio in synthetic ammonia unit;
氢氮比无模型控制系统在合成氨装置中的应用
2.
Control system of H-N ratio in the production of synthetic ammonia;
合成氨生产中的氢氮比控制系统
3.
The H-N ratio in the production of synthetic ammonia is one of the most important parameters to increase the product yield which is an efficiency measure to keep the optimal production.
氢氮比是合成氨装置最为关键的参数之一,保持比值始终处于最佳状态是提高合成氨产量的有效措施。
4)  H_2/N_2 ratio
氢氮比
1.
This paper analyzes casuses for abnormal H_2/N_2 ratio in synthetic ammonia system and puts forward solutions against thd problem.
介绍合成系统氢氮比异常的原因分析及处理措施。
5)  H 2/N 2 ratio
氢氮比
1.
This paper analyzes causes for abnormal H 2/N 2 ratio in two ammonia plants by the methods of conservation of hydrogen and nitrogen flow and H 2/N 2 ratio,estimates the deviation of H 2/N 2 ratio,and puts forward solutions against the proble
采用氢氮气量和氢氮比守恒的方式分析合成氨两套装置氢氮比异常的原因 ,并估算氢氮比的偏差 ,提出氢氮比异常的解决方
6)  ratio of hydrogen to nitrogen
氢氮比
1.
Experience of control algorithm for adjusting ratio of hydrogen to nitrogen is reviewed.
概述了造气炉生产半水煤气的工艺过程 ,着重介绍了小化肥厂造气炉集散控制系统 (DCS)的硬件配置及软件设计 ,总结了氢氮比调节控制算法的心得体会。
2.
Analysis of ratio of hydrogen to nitrogen in synthetic cyclic gas by approximate calculation was introduced and compared with gas chromatography.
介绍采用近似计算方法来计算合成塔循环气氢氮比的分析方法 ,并将其分析结果与气相色谱仪分析方法相比较 ,表明该分析方法是可行的。
3.
In this paper the difficulties in control of production of synthetic ammonia are analysed,and the principle of new computer control system for ratio of hydrogen to nitrogen and the hardware structure and programming are described.
分析了合成氨生产过程中氢氮比控制的难点,阐述了新型氢氮比计算机控制系统的原理、硬件结构和软件实现。
补充资料:燃烧过程空燃比控制
分子式:
CAS号:

性质:燃烧过程空燃比控制的目的是使燃料量与空气量相适应,维持二者有一定的价值,使燃烧热效率最高。空燃比控制的主要控制手段是燃料量与送风量的协调控制,构成以空燃比为主参数的双闭环比值调节系统。为进一步保证燃烧过程经济性,经常通过烟气含氧量反馈校正信号来修正燃比(见烟气含氧量控制)。

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