我国煤炭资源丰富，对瓦斯的利用也日渐成熟，关于瓦斯发电机组的工作原理，主要是利用瓦斯爆炸做功，引发内燃发动机运转，带动发电机发电。

China is rich in coal resources, and the utilization of gas is becoming increasingly mature. The working principle of gas generators is mainly to use gas explosions to do work, trigger the operation of internal combustion engines, and drive generators to generate electricity.

瓦斯发电对浓度是有一定的要求的，瓦斯浓度根据瓦斯占比，可以分为低浓度瓦斯和高浓度瓦斯，高浓度的瓦斯发电基本上是没有问题的，发电机组的机型匹配也比较多。

Gas power generation has certain requirements for concentration. Gas concentration can be divided into low concentration gas and high concentration gas according to the proportion of gas. High concentration gas power generation is basically not a problem, and there are also many matching models for generator sets.

低浓度瓦斯要是低于一定浓度，就无法发电。理论上来说，瓦斯浓度只要低于5％，就基本上没有办法发电。因为根据瓦斯发电机组的工作原理，瓦斯浓度低于5％，瓦斯就没法爆炸做功。在实际生活中，要使得瓦斯发电机组发电，瓦斯的浓度一般不能低于7%。根据各个公司生产的发电机组的不同，可能还要高于这个数值。

If the concentration of low concentration gas is lower than a certain level, it cannot generate electricity. In theory, as long as the gas concentration is below 5%, there is basically no way to generate electricity. Because according to the working principle of gas generators, if the gas concentration is below 5%, the gas cannot explode and do work. In practical life, to make a gas generator generate electricity, the concentration of gas should generally not be lower than 7%. Depending on the different generator sets produced by each company, it may be higher than this value.

瓦斯发电机组的工作原理主要分为5大步骤，首先是瓦斯进气，气缸内气门打开，进气门打开，进气活塞下行；接着机组对瓦斯气进行压缩，压缩阶段气门和进气门都关闭，进气活塞上行，把进气的混合气压缩至高压；然后喷油嘴向气缸内喷入燃油，利用火花塞点火；随后瓦斯气爆炸，气体膨胀推动活塞向下运动，带动连杆旋转驱动发电机旋转；最后气门打开，将剩余的废气排出。

The working principle of a gas generator set mainly consists of five steps. Firstly, the gas is introduced, the valve in the cylinder opens, the intake valve opens, and the intake piston descends; Next, the unit compresses the gas. During the compression stage, both the valves and intake valves are closed, and the intake piston moves upward to compress the mixed gas into high pressure; Then the fuel injector injects fuel into the cylinder and ignites it using a spark plug; Subsequently, a gas explosion occurred, causing the gas to expand and push the piston downwards, driving the connecting rod to rotate and drive the generator to rotate; Finally, the valve opens to discharge the remaining exhaust gas.

煤矿要利用瓦斯发电，尤其是浓度比较低的瓦斯煤矿，选择合适的机型比较重要，因为各个煤矿的本身情况不一样，而瓦斯的浓度、压力等状态随时都在变化，这样要形成稳定的发电，对发电机组的要求是比较高的。

Coal mines need to use gas for power generation, especially for low concentration gas mines. Choosing the appropriate model is important because the situation of each coal mine is different, and the concentration, pressure, and other states of gas are constantly changing. In order to form stable power generation, the requirements for the generator set are relatively high.

绿环动力瓦斯发电机组，采用电控燃气混合器技术，可以自动控制空燃比，以适应瓦斯的浓度变化，高于7%浓度的瓦斯就能发电，而且对于不稳定的瓦斯气体，也能够产生稳定的发电效率。

The Green Ring Power Gas Generator Unit adopts electric control gas mixer technology, which can automatically control the air-fuel ratio to adapt to changes in gas concentration. Gas with a concentration higher than 7% can generate electricity, and it can also produce stable power generation efficiency for unstable gas.

我国煤矿瓦斯有点多量小的特点，采用绿环动力的瓦斯发电机，不仅可以大大增加瓦斯的利用率，还能实现瓦斯“零排放”，同时利用瓦斯发电的余热，为工矿企业提供了稳定电源和热源，为煤矿产能释放提供了助力。

China's coal mines have the characteristic of having a large amount of gas and a small quantity. The use of green ring power gas generators can not only greatly increase the utilization rate of gas, but also achieve "zero emission" of gas. At the same time, the waste heat generated by gas power generation is utilized to provide stable power and heat sources for industrial and mining enterprises, and to assist in the release of coal mineral energy.

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