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煤层气(瓦斯)发电机组的可以使用的条件及特点

来源:http://www.huannengpower.com   发布于:2019-07-12

1、煤层气(瓦斯)发电机组的可行性剖析:

1. Feasibility analysis of coalbed methane (gas) generating units:

煤层气在煤矿称为煤矿瓦斯。依据新的资源评价结果,我国陆上煤层气资源量36.8万亿立方米,与陆上常规自然气资源量(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故的本源。 煤层气不加以应用,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,既能够有效地处理煤矿瓦斯事故、改善煤矿平安消费条件,又有利于增加干净能源供给、减少温室气体排放,到达维护生命、维护资源、维护环境的多重目的。

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 in the air reaches 5%-16%, it will explode in open fire, which is the source of coal mine gas explosion accident. 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 application. Coal mine gas power generation can not only effectively deal with coal mine gas accidents, improve the safe consumption conditions of coal mine, but also help to increase the supply of clean energy, reduce greenhouse gas emissions, and achieve multiple purposes of maintaining life, resources and environment.

2、运用条件:

2. Conditions for application:

低浓度瓦斯气源条件:低浓度瓦斯气保送压力5~15kPa,压力变化率≤1kPa/min,变化速率≤5%/min;杂质粒度≤5μm,杂质含量≤30mg/Nm3, 水分含量≤40mg/Nm3,不含游离水,煤气温度≤40℃,含硫量≤20mg/Nm3。

Low concentration gas source conditions: low concentration gas delivery pressure 5-15 kPa, pressure change rate less than 1 kPa/min, change rate less than 5%/min; impurity size less than 5 micron, impurity content less than 30 mg/Nm3, moisture content less than 40 mg/Nm3, free water, gas temperature less than 40 C, sulfur content less than 20 mg/Nm3.

3、产品技术特性:

3. Technical characteristics of products:

(1)顺应瓦斯气体浓度范围8%~30%,合适煤层气气源动摇大的特性,能保证机组输出功率持续恒定。

QQ截图20171025151917.jpg

(1) Compliance with the gas concentration range of 8%-30%, suitable for the characteristics of large shaking of CBM gas source, can ensure the constant output power of the unit.

(2)低浓度瓦斯保送系统,采用火焰冷壁熄灭阻火、湿式水封阻火、湿式水雾伴送等措施保证保送平安,关于保送间隔较长的管系还能够采用混合细水雾伴送来应对。

(2) Low concentration gas delivery system, using flame cold wall extinguishing and fire suppression, wet water seal and wet water mist accompanying measures to ensure the safety of the delivery, as for the pipelines with long interval of delivery, can also use mixed water mist accompanying to deal with.

(3)采用电控混合器技术、闭环自动控制技术,可完成燃气发起机空然比和点火提早角的实时控制,经过爆震监测完成点火提早角优控制,使发起机工作在状态,避免发起机呈现爆燃、进气管回火、排气管放炮等问题。

(3) Using electronic control mixer technology and closed-loop automatic control technology, the real-time control of air-to-air ratio and ignition advance angle of gas-fired starter can be completed. The optimal control of ignition advance angle can be completed through detonation monitoring, so that the starter works in a state, avoiding the problems of deflagration, tempering of intake pipe and firing of exhaust pipe.

(4)采用美国ALTRONIC公司消费的点火系统,以取得高的点火能量和准确的点火时间,确保点火的平安牢靠性。

(4) The ignition system consumed by ALTRONIC Company of the United States is adopted to obtain high ignition energy and accurate ignition time to ensure the safety and reliability of ignition.

(5)发电机组的转速低,降低发起机磨损,延长机件的运用寿命,减少备件的储藏;

(5) The low speed of the generator set reduces the wear of the starter, prolongs the service life of the parts and reduces the storage of spare parts;

(6)采用双层水冷排气管构造,排温低,熄灭充沛,各缸排温平均。

(6) Double-layer water-cooled exhaust pipe structure, low exhaust temperature, plenty of quenching, average exhaust temperature of each cylinder.

(7)煤层气发起机开发了燃气发起机智能管理系统,能确保燃气发起机平安、高效运转,并能完成燃气发起机组的远程监控

(7) Coalbed methane (CBM) initiator has developed an intelligent management system for gas initiator, which can ensure safe and efficient operation of gas initiator and complete remote monitoring of gas initiator.

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