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D88尊龙煤層氣(瓦斯)發電機組的可以使用的條件及特點

來源:http://dgxcbw.comD88尊龙   發布于:2019-07-12

1、煤層氣(瓦斯)發電機組的可行性剖析:

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

煤層氣在煤礦稱為煤礦瓦斯。依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,與陸上常規自然氣資源量(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到達5%-16%時,遇明火就會爆炸,這是煤礦瓦斯爆炸事故的本源。 煤層氣不加以應用,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,既能夠有效地處理煤礦瓦斯事故、改善煤礦平安消費條件,又有利于增加干凈能源供給、減少溫室氣體排放,到達維護生命、維護資源、維護環境的多重目的。

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、運用條件:

2. Conditions for application:

低濃度瓦斯氣源條件:低濃度瓦斯氣保送壓力5~15kPa,壓力變化率≤1kPa/min,變化速率≤5%/min;雜質粒度≤5μm,雜質含量≤30mg/Nm3, 水分含量≤40mg/Nm3,不含游離水,煤氣溫度≤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、產品技術特性:

D88尊龙3. Technical characteristics of products:

(1)順應瓦斯氣體濃度范圍8%~30%,合適煤層氣氣源動搖大的特性,能保證機組輸出功率持續恒定。

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(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)低濃度瓦斯保送系統,采用火焰冷壁熄滅阻火、濕式水封阻火、濕式水霧伴送等措施保證保送平安,關于保送間隔較長的管系還能夠采用混合細水霧伴送來應對。

(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.

D88尊龙(3)采用電控混合器技術、閉環自動控制技術,可完成燃氣發起機空然比和點火提早角的實時控制,經過爆震監測完成點火提早角優控制,使發起機工作在狀態,避免發起機呈現爆燃、進氣管回火、排氣管放炮等問題。

(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)采用美國ALTRONIC公司消費的點火系統,以取得高的點火能量和準確的點火時間,確保點火的平安牢靠性。

D88尊龙(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)發電機組的轉速低,降低發起機磨損,延長機件的運用壽命,減少備件的儲藏;

D88尊龙(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)采用雙層水冷排氣管構造,排溫低,熄滅充沛,各缸排溫平均。

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

(7)煤層氣發起機開發了燃氣發起機智能管理系統,能確保燃氣發起機平安、高效運轉,并能完成燃氣發起機組的遠程監控

(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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