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网络Emission; gas drainage; gas drainage from mine goal

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Emission

抽■_翻译 ... 抽样： Sample 抽放： Emission 抽样： sampling ...

gas drainage

gas drainage from mine goal

gas drainage from adjacent seam

1

Practice indicated that the surface boreholes have better effect on gas drainage from mining area .

实践表明，地面钻井对抽放采动区域瓦斯效果较好。

5

6

The alternative method to drill gas drainage holes underground is to drill boreholes from surface to the goaf area .

采用地表垂直钻孔抽放采空区内的瓦斯是瓦斯治理技术的另一选择。

7

The gas drainage problems in the top adjacent strata and goaf can be solved .

这可以解决上邻近层和采空区的瓦斯抽放问题。

8

High position bores and elevation bores methane drainage technique can prevent gas problem successfully.

采用高位钻孔和仰角钻孔抽放瓦斯技术，有效地防止了瓦斯超限。

11

Reasonable gas drainage is an important method to solve gas disaster .

合理抽放瓦斯是解决煤矿瓦斯灾害的重要方法之一。

12

in the end , gas pumping breaks traditional gas drainage, turn gas into treasure, offering a way for green mining .

最后，把瓦斯抽放变为抽采，实现了煤与瓦斯共采，为绿色开采提供了一条有效途径。

13

The method of gas drainage contains : self coal seam gas drainage, near coal seams gas drainage, and goaf gas drainage.

前言：瓦斯抽放的方法有本煤层抽放、邻近层抽放和采空区抽放。

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15

The application effectiveness of both high and low negative pressure systems in Laowuji Mine is described .

介绍了高低负压瓦斯抽放系统在老屋基矿的应用效果。

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18

After evaluated the gas drainage probability, Jiaoping mining area coal bed gas have drainage probability.

由矿井瓦斯抽放性评价可以得出，焦坪矿区煤层瓦斯具有可抽放性。

19

It introduced one method of extracting the gas in 23702 working surfaces through elevated lanes to solve the gas problem in upper corners .

介绍 23702 工作面利用高位巷道抽放瓦斯解决上隅角瓦斯的一种方法。

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22

At present , most high-level suction tunnels are driven in rock stratum and cost much .

目前的高位抽放巷多为岩巷，施工成本高。

23

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。

24

It is suitable to construct coal-layer gas pumping boreholes in each laneway.

适合于煤矿各巷道煤层瓦斯抽放钻孔的施工。

25

Gas suction is a fundamental measure to control gas .

瓦斯抽放是治理煤矿瓦斯灾害的治本措施。

26

It is a new way of the utilization of coal bed gas .

为井下抽放煤层气的利用提出了一条新的途径。

27

Methane drainage is being performed in 23 gassy coal mines of total major 41 coal producing mines in Poland at present .

目前，在波兰 41 对主要生产矿井中，有 23 对高瓦斯矿井进行了瓦斯抽放。

29

the data of gas drainage were analyzed .

并对该矿的瓦斯抽放数据进行分析。

30

In 2010 the national coal mine gas drainage volume of 7400000000 cubic meters of annual .

2010年全国煤矿井下年抽放瓦斯总量 74亿立方米。

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