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瓦斯发电机组的生产技术原来是基于他们!

来源:http://www.huannengpower.com   发布于:2018-12-25

煤层气在煤矿称为煤矿瓦斯。依据新的资源评价成果,我国陆上煤层气资源量36.8万亿立方米,与陆上惯例天然气资源量(38万亿立方米)相当,仅次于俄罗斯和加拿大。煤层气的主要成分是甲烷,甲烷在空气中的浓度到达5%-16%时,遇明火就会爆炸,这是煤矿瓦斯爆炸事端的本源。 煤层气不加以运用,直接排放到大气中,其温室效应约为二氧化碳的21倍。煤矿瓦斯发电,既可以有效地处理煤矿瓦斯事端、改善煤矿安全生产条件,又有利于增加洁净能源供应、减少温室气体排放,到达保护生命、保护资源、保护环境的多重目标。

Coalbed methane is called coal mine gas in coal mine. According to the new resource evaluation results, China's onshore CBM resources amount to 36.8 trillion cubic meters, which is equivalent to the onshore conventional natural gas resources (38 trillion cubic meters), second only to Russia and Canada. The main component of coalbed methane is methane. When the concentration of methane reaches 5%-16% in the air, it will explode in open fire, which is the source of coal mine gas explosion. The greenhouse effect of coal bed methane (CBM) is about 21 times that of carbon dioxide (CO2) when it is discharged directly into the atmosphere without using it. Coal mine gas power generation can not only effectively deal with coal mine gas incidents, improve coal mine safety production conditions, but also help to increase the supply of clean energy, reduce greenhouse gas emissions, and achieve multiple objectives of protecting life, resources and environment.

煤矿瓦斯分高浓度瓦斯和低浓度瓦斯,高浓度瓦斯是指瓦斯浓度大于25%的瓦斯,低浓度瓦斯是指瓦斯浓度低于25%的瓦斯。我国60%以上的瓦斯是含甲烷25%以下的低浓度瓦斯,按煤矿安全规程要求,瓦斯浓度在25%以下的就不能贮存和运送,更谈不上运用了。低浓度瓦斯发电需求处理2个问题,一是各个煤矿的自身不一样,而且随时都在改动,传统的发电机组很难“以不变应万变”;二是低浓度瓦斯的安全运送问题。低浓度瓦斯发电机组选用电控燃气混合器技术,可以自动控制空燃比,以适应瓦斯的浓度改动,一起,低浓度瓦斯安全运送技术,选用细水雾技术,处理了低浓度瓦斯的地面安全运送问题。

Coal mine gas consists of high concentration gas and low concentration gas. High concentration gas refers to the gas whose concentration is more than 25%, and low concentration gas refers to the gas whose concentration is less than 25%. More than 60% of the gas in our country is low concentration gas containing less than 25% methane. According to the requirements of coal mine safety regulations, the gas concentration below 25% can not be stored and transported, let alone used. There are two problems to be dealt with in the demand of low concentration gas power generation. One is that each coal mine has its own difference and is changing at any time. It is difficult for traditional generating units to "respond to changes with unchangeability"; the other is the problem of safe transportation of low concentration gas. Electrically controlled gas mixer technology is used in low concentration gas generating units, which can automatically control air-fuel ratio to adapt to the change of gas concentration. Together, the technology of safe transportation of low concentration gas and water mist technology are used to deal with the problem of safe transportation of low concentration gas on the ground.

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工程院周院士认为:“低浓度瓦斯发电机组,适合我国煤矿点多量小的特色,堪称破解我国煤矿瓦斯难题的金钥匙”。2004年以来,山东绿环动力开始对“煤矿瓦斯细水雾运送及发电技术”进行开发研讨并与第二年试验成功,使低浓度瓦斯发电技术得到了快速展开。现在装机总容量到达43.5万KW,每年可发电26.1亿KW·H,运用瓦斯8.7亿立方米。

Academician Zhou of the Chinese Academy of Engineering believes that "low concentration gas generating units are suitable for the characteristics of small quantity of coal mines in China, and can be regarded as the golden key to solve the gas problem in coal mines in China". Since 2004, Shandong Green Ring Power began to develop and discuss "Coal Mine Gas Water Mist Transport and Power Generation Technology" and succeeded in the second year's test, which enabled the low concentration gas power generation technology to be rapidly developed. Now the total installed capacity has reached 435,000 KW, generating 2.61 billion KW. H. per year and using 870 million cubic meters of gas.

、新版《煤矿安全规程》对浓度在30%以下的瓦斯用于内燃机发电作出了清晰的规矩,《规程》第148条第五项规矩:抽采的瓦斯浓度低于30%时,不得作为燃气直接燃烧;用于内燃机发电或作其他用处时,瓦斯的运用、运送必须按有关标准的规矩,并拟定安全技术措施。这给低浓度瓦斯发电供应了原则确保。而我国煤矿60%以上的瓦斯是低浓度瓦斯,这是我国低浓度瓦斯发电的气源确保。跟着低浓度瓦斯发电技术的不断完善,低浓度煤层气发电工业将会有良性的规模化展开,将会发作越来越大的经济效益和社会效益。

The new edition of "Coal Mine Safety Regulations" clearly stipulates that the concentration of gas below 30% is used for internal combustion engine power generation. Article 148, Item 5 of the Regulations stipulates that when the concentration of gas extracted is below 30%, it shall not be used as direct combustion of gas; when used for internal combustion engine power generation or other uses, the application and transportation of gas must comply with the rules of relevant standards and formulate safety technical measures. Shi. This provides a principle guarantee for low concentration gas power generation. More than 60% of the gas in coal mines in China is low concentration gas, which is the gas source guarantee of low concentration gas power generation in China. With the continuous improvement of low-concentration gas power generation technology, the low-concentration coal-bed methane power generation industry will have a benign scale, and will have more and more economic and social benefits.

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