瓦斯发电是抽取煤矿瓦斯发电，是一种相当成熟的发电模式，利用瓦斯来发电，不仅为煤矿产能释放提供了助力，还减少了瓦斯事故，降低了环境污染，可谓利国利民的大事。那么，瓦斯浓度达到多少可以发电？要知道这个问题，还得先从瓦斯发电的原理谈起：

　　Gas power generation is the extraction of coal mine gas for electricity generation, which is a relatively mature power generation mode. Using gas to generate electricity not only provides assistance for the release of coal mine production capacity, but also reduces gas accidents and environmental pollution. It can be said to be a major event that benefits the country and the people. So, how much gas concentration can generate electricity? To understand this issue, we need to start with the principle of gas power generation:

　　瓦斯发电是利用瓦斯草莓视频黄色网站爆炸做功，当然要使瓦斯在内燃机中保障，要具备一定的浓度范围，草莓影院在线观看把在空气中瓦斯遇火后能引起爆炸的浓度范围称为瓦斯爆炸界限。瓦斯爆炸界限为5％～16％。

　　Gas power generation is the use of gas generator sets to produce electricity through explosions. Of course, it is necessary to ensure that the gas is contained within the internal combustion engine and has a certain concentration range. We refer to the concentration range within which gas can cause explosions when exposed to fire in the air as the gas explosion limit. The gas explosion limit is 5% to 16%.

　　当瓦斯浓度低于5％时，遇火不爆炸，但能在火焰外围形成燃烧层，当瓦斯浓度为9．5％时，其爆炸威力最大(氧和瓦斯完全反应)；瓦斯浓度在16％以上时，失去其爆炸性，但在空气中遇火仍会燃烧。

　　When the gas concentration is below 5%, it does not explode when exposed to fire, but can form a combustion layer around the flame. When the gas concentration is 9.5%, its explosive power is maximum (oxygen and gas completely react); When the gas concentration is above 16%, it loses its explosiveness, but it will still burn when exposed to fire in the air.

　　瓦斯爆炸界限并不是固定不变的，它还受温度、压力以及煤尘、其它可燃性气体、惰性气体的混入等因素的影响。

　　The limit of gas explosion is not fixed and is also affected by factors such as temperature, pressure, and the mixing of coal dust, other flammable gases, and inert gases.

　　瓦斯浓度达到多少可以发电？一般来说，瓦斯浓度只要不低于7%即可发电。因为一般来说，瓦斯的引火温度为650℃～750℃，当瓦斯浓度在7％一8％时，最易引燃；当混合气体的压力增高时，引燃温度即降低；在引火温度相同时，火源面积越大、点火时间越长，越易引燃瓦斯。

　　How much gas concentration can generate electricity? Generally speaking, as long as the gas concentration is not less than 7%, electricity can be generated. Generally speaking, the ignition temperature of gas is between 650 ℃ and 750 ℃. When the gas concentration is between 7% and 8%, it is most likely to ignite; When the pressure of the mixed gas increases, the ignition temperature decreases; When the ignition temperature is the same, the larger the area of the fire source and the longer the ignition time, the easier it is to ignite the gas.

　　高温火源的存在，是引起瓦斯爆炸的必要条件之一。井下抽烟、电气火花、违章放炮、煤炭自燃、明火作业等都易引起瓦斯爆炸。所以，在有瓦斯的矿井中作业，必须严格遵照《煤矿安全规程》的有关规定。

　　The presence of high-temperature ignition sources is one of the necessary conditions for causing gas explosions. Smoking underground, electrical sparks, illegal blasting, coal spontaneous combustion, and open flame operations can all easily cause gas explosions. So, when working in mines with gas, it is necessary to strictly follow the relevant provisions of the "Coal Mine Safety Regulations".

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