瓦斯發電機組是利用低濃度瓦斯和高濃度瓦斯進行發電的燃氣機組。瓦斯發電機組可利用濃度大于12%的瓦斯發電，主要用于煤礦瓦斯、礦井瓦斯發電。該機組采用全新燃氣機設計理念，由綠能動力自主研發，匹配國際的增壓、調速、穩壓、點火和運行管理系統，融入當前行業內的發明燃燒控制、電控混合器等技術，可以自動控制空燃比，以適應瓦斯的濃度變化，適合我國煤礦點多量小的特點。機組具有高安全性、高可靠性、高熱效率、高性價比和全自動化運行管理等特點。

Gas generator set is a gas turbine that uses low concentration gas and high concentration gas to generate electricity. Gas generator sets can generate electricity using gas with a concentration greater than 12%, mainly used for coal mine gas and mine gas power generation. The unit adopts a brand new gas engine design concept, independently developed by Green Energy Power, matched with international boosting, speed regulation, voltage regulation, ignition and operation management systems, and integrated with current industry technologies such as combustion control and electronic control mixer. It can automatically control the air-fuel ratio to adapt to changes in gas concentration, which is suitable for the characteristics of China's coal mines with large quantities and small quantities. The unit has the characteristics of high safety, high reliability, high thermal efficiency, high cost-effectiveness, and fully automated operation and management.

　　一、瓦斯介紹

1、 Gas Introduction

　　煤層氣在煤礦稱為煤礦瓦斯，簡稱瓦斯根據新的資源評價結果，我國陸上煤層氣資源量36.8萬億立方米，與陸上常規天然氣資源量（38萬億立方米）相當，僅次于俄羅斯和加拿大。煤層氣的主要成分是甲烷，甲烷在空氣中的濃度達到5%－16%時，遇明火就會爆炸，這是煤礦瓦斯爆炸事故的根源。

Coalbed methane is called coal mine gas in coal mines, abbreviated as gas. According to new resource evaluation results, China's onshore coalbed methane resources are 36.8 trillion cubic meters, 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 in the air reaches 5% -16%, it will explode when exposed to an open flame, which is the root cause of coal mine gas explosion accidents.

　　煤層氣不加以利用，直接排放到大氣中，其溫室效應約為二氧化碳的21倍。煤礦瓦斯發電，既可以有效地解決煤礦瓦斯事故、改善煤礦安全生產條件，又有利于增加潔凈能源供應、減少溫室氣體排放，達到保護生命、保護資源、保護環境的多重目標。

If coalbed methane is not utilized and directly emitted into the atmosphere, its greenhouse effect is about 21 times that of carbon dioxide. Coal mine gas power generation can effectively solve coal mine gas accidents, improve coal mine safety production conditions, increase clean energy supply, reduce greenhouse gas emissions, and achieve multiple goals of protecting life, resources, and the environment.

　　（一）、低濃度瓦斯發電技術

（1） Low concentration gas power generation technology

　　煤礦瓦斯分高濃度瓦斯和低濃度瓦斯，高濃度瓦斯是指瓦斯（甲烷）濃度大于25%的瓦斯，低濃度瓦斯是指瓦斯濃度低于25%的瓦斯。我國60%以上的瓦斯是含甲烷25%以下的低濃度瓦斯，按煤礦安全規程要求，瓦斯濃度在25%以下的就不能貯存和輸送。

Coal mine gas is divided into high concentration gas and low concentration gas. High concentration gas refers to gas with a methane concentration greater than 25%, while low concentration gas refers to gas with a methane concentration below 25%. More than 60% of the gas in our country is low concentration gas containing less than 25% methane. According to coal mine safety regulations, gas with a concentration below 25% cannot be stored or transported.

　　低濃度瓦斯發電需要解決2個問題，一是各個煤礦的本身不一樣，而且隨時都在變化，傳統的發電機組很難;以不變應萬變 ，二是低濃度瓦斯的安全輸送問題。

Low concentration gas power generation needs to solve two problems. Firstly, each coal mine is different and constantly changing, making traditional generator sets difficult; The second issue is the safe transportation of low concentration gas.

　　濟南綠能動力機械有限公司依托勝動和濟柴在燃氣內燃機領域的技術，研制出的高濃度瓦斯發電機組，并后繼開發出能適用于低濃度瓦斯的中大功率低濃度瓦斯發電機組，成為掌握低濃度瓦斯發電機組技術的廠家之一。其中500KW高低濃度瓦斯發電機組和600KW高低濃度瓦斯發電機組該機組性能，性價比高。機組采用電控燃氣混合器技術，可以自動控制空燃比，以適應瓦斯的濃度變化，適合我國煤礦點多量小的特點，同時，發明了低濃度瓦斯安全輸送技術，采用細水霧技術，解決了低濃度瓦斯的地面安全輸送問題。

Jinan Green Energy Power Machinery Co., Ltd. has developed a high concentration gas generator set based on the technology of Shengdong and Jichai in the field of gas internal combustion engines, and subsequently developed a medium to high power low concentration gas generator set suitable for low concentration gas, becoming one of the manufacturers that master the technology of low concentration gas generator sets. Among them, the 500KW high and low concentration gas generator set and the 600KW high and low concentration gas generator set have high performance and cost-effectiveness. The unit adopts electric control gas mixer technology, which can automatically control the air-fuel ratio to adapt to changes in gas concentration, suitable for the characteristics of large and small coal mines in China. At the same time, low concentration gas safety transportation technology has been invented, using fine water mist technology to solve the problem of safe transportation of low concentration gas on the ground.

　　（二）、低濃度瓦斯發電基本要求

（2） Basic requirements for low concentration gas power generation

　　首先、按國家煤礦安全管理部門的要求安裝了瓦斯抽放系統,并且瓦斯抽放系統須正常運行；其次、瓦斯抽放系統純瓦斯抽放量在100萬m3/年左右，瓦斯濃度在6-25%之間。達到這2個條件就能具備建設瓦斯電站的基礎，若建設瓦斯電站就可實現;以利用促抽采、以抽采促安全;的煤礦良性循環發展。

Firstly, a gas drainage system has been installed in accordance with the requirements of the national coal mine safety management department, and the gas drainage system must operate normally; Secondly, the pure gas extraction capacity of the gas extraction system is around 1 million m3/year, and the gas concentration is between 6-25%. If these two conditions are met, the foundation for building a gas power station can be established. If a gas power station is built, it can be achieved; To promote extraction and safety through extraction; The coal mine is developing in a virtuous cycle.

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