
[矿业] 地下气化;地下气化作用
The research has great significance for gas exploration in coal bed, underground gasification of coal and prevention of coal and gas outburst.
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The developmental and variable rules of heat value for coal gas of underground gasification without shaft style in steep coal seam is described.
指出了急倾斜煤层无井式地下气化煤气热值的发展变化规律。
A program for combination development of coalbed methane and underground gasification has been suggested. The program is considered to be feasible technically and economically by analysis.
本文提出了综合开发煤成气和煤地下气化的方案。通过分析,认为该方在技术和经济上是可行的。
Fundamental principle, applicable geological condition, domestic and oversea development of underground gasification and its advantage compared with traditional underground coal mining are introduced.
介绍了煤炭地下气化的基本原理、应用地质条件、国内外发展概况以及与传统的井工开采煤炭相比的优越性。
This paper illustrates the principle of coal underground gasification and analyses the influence of some important variable on quality of product gas, as well as the relationship between variable.
本文阐述了煤炭地下气化的原理,并分析了主要变量对煤气质量的影响及各变量之间的关系。
The gasification face development rate of the test coal changes gently in underground gasification process, which indicates that the underground gasification of lean coal has high stability.
气化工作面扩展速率在供风点附近出现最大值,变化平稳,瘦煤地下气化具有较高的稳定性。
The monitoring and measuring results showed the comprehensive electric magnetic method is an effective method to monitor and measure the coal underground gasification.
监测试验表明,综合电磁法是进行煤炭地下气化监测的有效方法。
Based on the model test, the regularity of Dongshan coal underground gasification was obtained.
通过地下气化模型试验,获得了东山煤地下气化过程的一般规律。
Thereby it has provided an essential scientific foundation for us to formulate technology schemes of the underground gasification.
从而为制定地下气化技术工艺方案,提供了必要的科学依据。
The results show that the underground gasification of Dongshan coal through blowing air can produce fuel gas with lower heat value, the composition of gas is influenced by the amount of air blast.
试验结果表明,东山煤空气气化可以生产低热值空气煤气,鼓风量会影响空气煤气的组成;
The research has great significance for gas exploration in coal bed, underground gasification of coal and prevention of coal and gas…
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The research has great significance for gas exploration in coal bed, underground gasification of coal and preventi…
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The research has great significance for gas exploration in coal bed, underground gasification of…
该项研究对于探讨煤层甲烷开发、煤的地下气化以及煤与瓦斯突出具有重要意义。
The coal underground gasification technique belongs to a kind of adopting the coal method specially, it belong to nations found.
煤炭地下气化技术属于一种特殊的采煤方法,它属国际首创。
Underground coal gasification is the main direction of coal mining and utilization in the future.
煤地下气化是未来煤炭开采和利用的主要方向。
In the short term, ENN's advanced underground coal gasification technology is likely to prove more significant than its algae work.
在短期内,ENN集团先进的煤炭地下气化技术很可能被证实比其藻类技术更为重要。
In the underground coal gasification process, the sulfide mainly exists in coal gas by the sulfur contained gas form.
煤炭地下气化过程中,煤中的硫大部分以含硫气体的形式分布在煤气中;
Underground coal gasification is implemented under changefully natural environment which is difficult and complicated to execute, so scientific safety preventive measures should be adopted.
煤炭地下气化是在多变的自然环境中进行的,操作复杂,难度较大,因此,必须采取科学的安全措施。
It is found that in the process of underground coal gasification, because of the high temperature effect, physico mechanical parameters are not constant any more but become a function of temperature.
研究发现,在煤炭地下气化过程中,因高温作用,煤体的物理力学参数不再是一个常数,而变为温度的函数。
On the basis of material balance, a model of two-stage underground coal gasification in counter directions is built with ideal gasification parameters.
在物料平衡的基础上,建立了两阶段煤炭地下气化方法理想气化参数的计算模型。
The structure of the 'one stove with multi holes' gasifier and various gasification processes in underground coal gasification in E'zhuang coal mine are introduced.
介绍了鄂庄煤炭地下气化的“一炉多孔”气化炉结构,及其所进行的各种气化工艺。
Great progress on research for underground coal gasification technology has been also obtained in China.
我国对煤炭地下气化技术的研究取得了很大进展。
This marks that China in the areas of underground coal gasification has been among the highest in the world.
这标志中国在煤炭地下气化这一领域已跻身世界前列。
For continuous operation in the underground coal gasification process, the across fault should draw support from artificial auxiliary engineering.
介绍了煤炭地下气化过程中,气化面借助人工辅助工程,由断层一盘进入另一盘煤层连续气化的方法。
Based on the conservation of mass, energy and chemical compositions, a model of seam-cavity growth is established to describe the process of underground coal gasification.
通过质量守恒、能量守恒和化学组分平衡描述了煤炭地下气化过程,建立了煤炭地下气化中燃空区煤层扩展的数学模型,根据试验条件进行数值求解。
A couple of preliminary projects focusing on the method of combined coalbed methane production and underground coal gasification was put forward to utilize the coal energy in Tianjin.
为了利用天津的煤碳资源,提出了综合煤层气的生产和煤的地下气化方案。
The power generation by using underground coal gasification technology can provide marked economic benefit and social benefit through demonstration project practice.
煤炭地下气化用于工业发电,通过示范项目的实施,从技术和实践上给出了绿色环保工业模式,具有重大的经济效益和社会效益。
As an attempt, we use the pulse Transient Electriomagnetic Method (TEM) to detect the CSA of underground coal gasification at Liuzhuang coal mine, Tangshan.
作为尝试,应用瞬变电磁法(TEM)对唐山刘庄煤矿煤炭地下气化燃空区进行了探测。
This paper presents a brief description about the technical features and advantages of underground coal gasification.
简要说明煤炭地下气化技术特点与优越性。
In this paper, the Periodic unsteady state heat conduction of coal wall in the front of underground coal gasification stove is researched.
研究了煤炭地下气化炉前方煤壁的周期性非稳态导热。
地下气化(Underground Coal Gasification, UCG)是一种通过原位化学反应将深埋地下的煤炭资源转化为可燃性气体的技术。该过程无需传统采矿,而是通过钻孔向煤层注入气化剂(如氧气或水蒸气),在高温高压条件下使煤发生热解、氧化和还原反应,最终生成以氢气(H₂)、一氧化碳(CO)和甲烷(CH₄)为主的合成气(Syngas)。
目前UCG面临地下水污染风险控制、气化腔稳定性等技术难题。澳大利亚昆士兰大学通过数值模拟优化了气化腔设计(来源:《国际煤炭科学期刊》),而欧盟“HYDROGEN”项目已验证其在氢能生产中的可行性(来源:欧盟地平线计划官网)。
Underground Gasification(地下气化) 是一种将地下煤炭或其他可燃物质直接转化为可燃气体(如合成气,Syngas)的技术。以下为详细解释:
如需更完整的技术流程或案例,可参考、2、5等来源。
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