沼氣中的硫化氫和水形成弱酸，會(huì )腐蝕發(fā)動(dòng)機的管路和金屬零件，尤其是銅鋁零件。因此，管道、中冷器、渦輪增壓器和活塞部件，如油漆、瓷器等。應該氮化保護。此外，由于硫化氫燃燒的產(chǎn)物二氧化硫的耐腐蝕性較好，燃燒室和排氣管的周邊部分應考慮防腐措施。

Hydrogen sulfide and water in biogas form weak acids, which can corrode engine pipelines and metal parts, especially copper and aluminum parts. Therefore, pipelines, intercoolers, turbochargers, and piston components such as paint, porcelain, etc. It should be nitrided for protection. In addition, due to the good corrosion resistance of sulfur dioxide, the product of hydrogen sulfide combustion, anti-corrosion measures should be considered for the surrounding parts of the combustion chamber and exhaust pipe.

有時(shí)，沼氣發(fā)動(dòng)機組在不使用時(shí)會(huì )被擱置很長(cháng)時(shí)間。錯位時(shí)間長(cháng)了，再啟動(dòng)就容易失靈。那么沼氣發(fā)動(dòng)機長(cháng)期放置的注意事項如下：

Sometimes, biogas engine sets are left unused for a long time. If the misalignment time is too long, it is easy to malfunction when restarting. The precautions for long-term placement of biogas engines are as follows:

1.在進(jìn)氣口加入少量水機油，盤(pán)車(chē)使其附著(zhù)在活塞頂部、氣缸套內壁和氣門(mén)密封面上，將氣門(mén)設置在關(guān)閉狀態(tài)，使氣缸套與外界隔絕。

1. Add a small amount of water and engine oil to the intake port, turn the engine to attach it to the top of the piston, the inner wall of the cylinder liner, and the valve sealing surface. Set the valve in the closed position to isolate the cylinder liner from the outside world.

2.當確定沼氣發(fā)動(dòng)機不會(huì )長(cháng)時(shí)間使用時(shí)，要盡可能排干冷卻水和潤滑油。讓沼氣發(fā)電機組干凈。

When it is determined that the biogas engine will not be used for a long time, it is necessary to drain the cooling water and lubricating oil as much as possible. Clean the biogas generator set.

3.蓋住空氣濾清器、排氣管和油箱，防止灰塵落入。

3. Cover the air filter, exhaust pipe, and fuel tank to prevent dust from falling in.

4.確保沼氣發(fā)動(dòng)機組清潔。去除表面的灰塵和油污。

4. Ensure that the biogas engine set is clean. Remove surface dust and oil stains.

5.取下沼氣發(fā)動(dòng)機的氣門(mén)蓋，用刷子涂上少量無(wú)水機油，刷在搖臂等部位。

5. Remove the valve cover of the biogas engine, apply a small amount of anhydrous engine oil with a brush, and brush it on the rocker arm and other parts.

6.沼氣發(fā)動(dòng)機應放置在通風(fēng)良好、干燥和清潔的地方。嚴禁與化學(xué)品(如化肥、農藥)一起存放。

6. The biogas engine should be placed in a well ventilated, dry, and clean place. It is strictly prohibited to store together with chemicals (such as fertilizers and pesticides).

下面沼氣發(fā)電機組廠(chǎng)家總結在選購沼氣發(fā)電機組時(shí)的幾點(diǎn)建議：

Below are a few suggestions from biogas generator manufacturers when selecting biogas generators:

1.根據沼氣產(chǎn)量，選擇合適的裝機容量，防止機械設備閑置或沼氣浪費

1. Select an appropriate installed capacity based on biogas production to prevent mechanical equipment from being idle or biogas waste

2.1000KW左右的沼氣發(fā)生器市場(chǎng)占有率高，價(jià)格高，維護、檢修、保養費用相對較低

A biogas generator with a market share of around 2.1000KW has a high price and relatively low maintenance, repair, and upkeep costs

3.當采用多臺發(fā)電機組時(shí)，宜采用1000KW左右的同一規格型號，以減少運行費用和備件儲存。量少的時(shí)候選功率小一點(diǎn)的。如1000KW加1.500 kW，以便在氣源變化較大時(shí)調節輸出功率，保證發(fā)電機組在70%以上功率輸出

When using multiple generator sets, it is advisable to use the same specification and model of around 1000KW to reduce operating costs and spare parts storage. Choose a smaller power when the quantity is small. Add 1.500 kW to 1000KW in order to adjust the output power when there is a significant change in the gas source, ensuring that the generator set outputs more than 70% of the power