(1) According to the output of biogas, appropriate installed capacity should be selected to avoid idle equipment or waste of biogas;

（2）1000KW左右的機組市場占有率較高，性價比也是較高的，維護、維修、保養費用比較低；

(2) About 1000 kW units have a high market share, high cost performance, and low maintenance, repair and maintenance costs;

（3）多臺機組時，宜選用1000KW左右的同一規格，以降低運行費用和備件儲存。在臺數較少時，選擇一臺功率較小的。比如一臺1000KW加一臺500KW，便于在氣量變化較大時調節輸出功率，確保機組在70%以上的功率下輸出；

(3) For multiple units, the same specification of about 1000kW should be selected to reduce the operation cost and spare parts storage. When the number of units is small, choose one with lower power. For example, one 1000kW plus one 500kW can adjust the output power when the gas volume changes greatly, so as to ensure that the unit can output at more than 70% power;

（4）發電效率高意味著在消耗相同的燃氣時能發出更多的電；

(4) High power generation efficiency means that more electricity can be generated when the same gas is consumed;

（5）在線率高意味著停機時間少，浪費的沼氣少，發電量多；

(5) High online rate means less downtime, less waste of biogas and more power generation;

（6）氣體純凈時，或者氣體處理得當時，機組一個大修期可達50000～60000小時，一般可達30000～40000小時。但有些機組只達10天然氣發電機發電機組000～20000小時；

(6) When the gas is pure or properly treated, the overhaul period of the unit can reach 50000-60000 hours, generally 30000-40000 hours. However, some units only reach 1000-20000 hours for 10 natural gas generator units;

（7）沼氣中含有微量的腐蝕性成分，對機油造成污染，其消耗量比使用天然氣發電機時要大，機油是一種主要的消耗品，在運行成本中占有一定份額。而不同品牌機組的機油耗量差異較大；

(7) Biogas contains a small amount of corrosive components, which pollutes the engine oil, and its consumption is larger than that when using natural gas generator. Engine oil is a major consumable and occupies a certain share in the operation cost. However, the oil consumption of different brand units is quite different;

（8）零配件價格有數倍之差，特別注意耗材，比如火花塞價格。直接關系到運行費用；

(8) The price of spare parts is several times different. Pay special attention to the price of consumables, such as spark plug. It is directly related to the operation cost;

（9）齊全的零配件儲備可大大縮短停機時間，增加發電量；

(9) Complete spare parts reserve can greatly shorten downtime and increase power generation;

（10）維修隊伍能否短時間到達現場，對確保運行時間至關重要；

(10) Whether the maintenance team can arrive at the scene in a short time is very important to ensure the operation time;

（11）沼氣發電機機組是一種大型貴重設備，應著重于長遠的綜合評估。綜合比比價格更重要。

(11) Biogas generator set is a kind of large and valuable equipment, which should be focused on the long-term comprehensive evaluation. Integration is more important than price.

（12）燃氣的種類決定選擇燃氣發電機組的種類。天然氣發電機發電機組并不一定能夠燒沼氣。

(12) The type of gas determines the type of gas generator set. Natural gas generator set is not necessarily able to burn biogas.

（13）要了解氣體的成份以及氣體里的濃度。以便作下一步的燃氣發電機組選型，特別是油田伴生氣。

(13) To understand the composition of the gas and the concentration in the gas. In order to make the next step selection of gas generator set, especially associated gas of oil field.

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