gas drainage
排瓦斯设备,瓦斯抽放
2026-04-13 07:04 浏览次数 13
排瓦斯设备,瓦斯抽放
gas s drainage roadway排瓦斯巷道
gas drainage roadway排瓦斯巷道
gas-drainage problem抽采问题
gas drainage under suction瓦斯抽放
gas s drainage排瓦斯设备
the effect of gas-drainage抽采效果
comprehensive gas-drainage综合抽采
At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province.
目前国内外煤层气地面开采技术、井下瓦斯抽放技术均已成熟,四川煤层气开发利用是可行的。
Therefore, the development of coal-bed gas should be studied according to the principle of gas drainage and its practice.
因此,煤层气开发应充分研究和借鑒抽放瓦斯的原理和实践经验。
Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity & time is opened out.
通过大煤样的瓦斯排放试验研究,揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
It proved that gas drainage with high position bores and elevation bores can both reduce laneway digging work and get fairly good gas extracting result.
实践表明高位抽放与仰角抽放方法相结合,既可减少鉆场施工,又有较好的抽放效果。
The author makes the proposal of establishing a preliminary underground gas drainage numerical model, which is the equivalent of boundary conditions and shift forward of initial conditions.
本文从数值模拟的角度提出了建立井下瓦斯抽放数值模型的初步方案,即将边界条件等效和模拟时间前推。
The results of experiment testify that the method not only realizes the normal ventilation and gas drainage in drivage roadway but also saves energy.
实验表明,该方法能较好地实现掘进巷道的正常通风和瓦斯排放,并达到节能效果。
Based on engineering experience and combined with presently hole-sealed technology of gas drainage used in Tunlan mine, the reasonable hole-sealed length was determined by theoretical analysis.
以工程实验为基础,结合屯兰矿现有瓦斯抽放中封孔工艺,主要针对封孔长度,通过理论分析,确定合理的封孔长度。
A large number of delivery pipes are needed in gas drainage system and the substitution of plastic pipes for steel ones is an inexorable trend.
瓦斯抽放系统需要用大量的瓦斯输送管道,以塑代钢是发展的必然趋势。
In order to improve gas drainage volume, gas drainage on fully mechanized caving face and gas drainage pipeline network system are analyzed.
为了提高矿井瓦斯抽放量,重点分析了综放工作面的瓦斯抽放和瓦斯抽放管网系统方面。
By using this method, the damage of surface gas drainage holes caused by induced excessive mining displacement can be effectively reduced if not being avoided.
采用提出的计算方法可避免由于受采动影响对地表瓦斯抽放鉆孔引起的过大变形及其所造成的破坏。
Essential way of solving the gas drainage problem of low permeability coal seam is to increase coal seam permeability.
解决低透气性煤层瓦斯抽放问题的根本途径是增加煤层的透气性。
Taking tashan Mine as a example, according to the analysis based on the Characteristics of the Cracks in Stopes, experimental research of stress-relieve gas drainage is worried about.
以塔山矿为例,在采场裂隙特征分析基础上,实施采场卸压瓦斯抽放试验。
Casings used in gas drainage Wells have large diameter and heavy weight, during the lowering process, compressive collapsing is an ordinary phenomenon.
瓦斯排放井的套管具有直径大、重量大,在下入井筒过程中,经常出现套管被挤毁的现象。
Because gas drainage is strong in 3308 workface of Chengzhuang coal mine, stop production often takes place for above-the-common.
成庄煤矿3308综放面由于瓦斯排放量大,多次造成因瓦斯超限停产。
The paper analyzes the prospect of CMM based on investigations on coal output, gas emission and changes of gas drainage quantity in mine areas in China.
文章在分析我国煤矿区煤炭产量、瓦斯涌出量、瓦斯抽放量变化的基础上,提出对我国煤矿区煤层气开发前景的分析。
There has already been a history of more than 50 years of gas drainage in our country, which has reached the advanced international standards from technology to the scale.
我国煤矿抽放瓦斯已有50多年历史,从技术到规模均达到世界先进水平。
The enlargement of hole diameter increased the exposed area and pressure releasing range of bored coal seam, and raised gas drainage amount and discharging effect from holes.
通过扩大鉆孔的直径,从而达到增加鉆孔的煤层暴露面积和卸压范围,增大鉆孔抽排瓦斯量,提高鉆孔的抽排效果。
The drilling operation of long holes along outburst coal seam usually can't reach their preset depth since it is handicapped by drilling techniques, which will thus influence gas drainage effect.
突出煤层顺层长鉆孔的施工由于受到施工技术的限制达不到预定的深度,影响了瓦斯抽放效果。
The hole enlargement by high - pressure water jet provided a feasible technical way for raising gas drainage effect from coal seam in low permeability and improving the effect of outburst pre...
高压水射流扩孔为提高低透气性煤层的瓦斯抽放效果和扩大防突措施的效果提供了一个可行的技术途径。
The reasonable layer selection is the main influencing factors for gas drainage by high level borehole, the borehole parameters is based on the caving & fracture zone height of gob.
高位鉆孔抽放最主要的影响因素是合理层位选择,其鉆孔参数应根据采空区冒落带及裂隙带高度来设计。
Having analysed the 「test on the gas drainage under suction in goaf」, the failure cause has been found.
通过对采空区抽放瓦斯试验进行分析,找出了试验失败的原因。
Abstr: Proposed to high voltage frequency converter used in the coal mine gas drainage pump system, trying to reduce the gas leaks, pour out the problem.
文章摘要:提出将高压变频器用于煤矿瓦斯抽放泵系统中,试图有效降低瓦斯泄露、涌出的问题。
Ventilation modeling goes hand in hand with gas drainage strategies.
通风系统建模与瓦斯抽放系统相互相成。