工作原理：燃?xì)馐紫冗M入進氣系統(tǒng)，與適量空氣按一定比例混合形成可燃混合氣。混合氣進入發(fā)動機的燃燒室，在壓縮沖程末期，火花塞點火（部分采用壓燃方式），混合氣迅速燃燒，產(chǎn)生高溫高壓氣體，推動活塞下行，將化學(xué)能轉(zhuǎn)化為機械能。

Working principle: Gas first enters the intake system and mixes with an appropriate amount of air in a certain proportion to form a combustible mixture. The mixture enters the combustion chamber of the engine, and at the end of the compression stroke, the spark plug ignites (partially using compression ignition). The mixture rapidly burns, producing high-temperature and high-pressure gas that drives the piston down and converts chemical energy into mechanical energy.

活塞的往復(fù)直線運動通過連桿轉(zhuǎn)化為曲軸的旋轉(zhuǎn)運動，曲軸再帶動發(fā)電機的轉(zhuǎn)子高速旋轉(zhuǎn)。根據(jù)電磁感應(yīng)原理，發(fā)電機的定子繞組切割轉(zhuǎn)子產(chǎn)生的磁場磁力線，從而在定子繞組中產(chǎn)生感應(yīng)電動勢，形成電流，實現(xiàn)機械能到電能的轉(zhuǎn)換。

The reciprocating linear motion of the piston is converted into the rotational motion of the crankshaft through the connecting rod, and the crankshaft then drives the rotor of the generator to rotate at high speed. According to the principle of electromagnetic induction, the stator winding of the generator cuts the magnetic field lines generated by the rotor, thereby generating induced electromotive force in the stator winding, forming current, and realizing the conversion of mechanical energy to electrical energy.

例如天然氣發(fā)電機組，以清潔的天然氣為燃料，在燃燒過程中，天然氣中的主要成分甲烷與氧氣充分反應(yīng)，釋放大量能量推動活塞做功。

For example, natural gas generators use clean natural gas as fuel. During the combustion process, the main component of natural gas, methane, fully reacts with oxygen, releasing a large amount of energy to drive the piston to do work.

類型特點

Type characteristics

天然氣發(fā)電機組：天然氣儲量豐富、燃燒清潔，燃燒后產(chǎn)生的污染物如二氧化硫、氮氧化物等相對較少，能有效減少對環(huán)境的污染。發(fā)電效率較高，可達 35% - 45%，且運行成本相對較低，適合作為長期穩(wěn)定的分布式電源，廣泛應(yīng)用于天然氣資源豐富地區(qū)的工廠、醫(yī)院、學(xué)校等場所，為其提供可靠電力。

Natural gas generator set: With abundant natural gas reserves and clean combustion, it produces relatively less pollutants such as sulfur dioxide and nitrogen oxides after combustion, effectively reducing environmental pollution. The power generation efficiency is relatively high, reaching 35% -45%, and the operating cost is relatively low. It is suitable as a long-term stable distributed power source and widely used in factories, hospitals, schools and other places with abundant natural gas resources to provide reliable electricity.

沼氣發(fā)電機組：以沼氣為燃料，沼氣通常來源于污水處理廠、養(yǎng)殖場、垃圾填埋場等產(chǎn)生的有機廢棄物發(fā)酵。該機組實現(xiàn)了廢棄物的資源化利用，既處理了有機廢棄物，減少環(huán)境污染，又能產(chǎn)生電能，具有顯著的環(huán)保和經(jīng)濟效益。但沼氣成分復(fù)雜，需對其進行凈化處理，以保證發(fā)電機組穩(wěn)定運行。

Biogas generator set: using biogas as fuel, biogas usually comes from the fermentation of organic waste generated by sewage treatment plants, breeding farms, landfills, etc. This unit has achieved the resource utilization of waste, which not only treats organic waste, reduces environmental pollution, but also generates electricity, with significant environmental and economic benefits. However, the composition of biogas is complex and requires purification treatment to ensure stable operation of the generator set.

煤層氣發(fā)電機組：煤層氣是煤礦開采過程中的伴生氣體，若直接排放到大氣中，既浪費資源又加劇溫室效應(yīng)。煤層氣發(fā)電機組將煤層氣轉(zhuǎn)化為電能，變廢為寶，提高了能源綜合利用效率。不過，由于煤層氣的開采和輸送條件特殊，該類機組的應(yīng)用多集中在煤礦周邊區(qū)域

Coalbed methane generator set: Coalbed methane is a byproduct gas generated during coal mining. If it is directly emitted into the atmosphere, it not only wastes resources but also exacerbates the greenhouse effect. The coalbed methane generator unit converts coalbed methane into electrical energy, turning waste into treasure and improving the comprehensive utilization efficiency of energy. However, due to the special mining and transportation conditions of coalbed methane, the application of such units is mostly concentrated in the surrounding areas of coal mines

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