1. high power biogas power generation equipment purchase cost is high, very high!
2. high power biogas generating equipment have high operation requirements: sufficient methane, stable composition, rapid and full desulfurization and dewatering (large generating units, fast intake flow, and fast desulphurization, sulfur will enter the engine, damage engine valve, cylinder head, spark plug and so on), under the existing conditions. It is difficult to meet the desulfurization of dozens of cubic methane consumption per hour for large generating units. (the speed of desulfurization is much slower than that of the generator's biogas). Even if it is satisfied, the cost will rise significantly.
So we often see: 1. bought cheap biogas generator is not good to use, can only be set up; expensive generator can not afford to buy, biogas can not produce economic benefits, can only be discharged in white, so the formation of two pollution; 2. assembly of large biogas power plant owners, three days and two of the biogas generator set out Failure, always in the bad, can not be used normally. The main reason is that the large amount of gas consumption of the large methane generating set is large, and we can not efficiently remove the methane from the biogas, and the unqualified methane into the generating unit leads to the super high failure rate.
The truly scientific and rational selection of biogas generating units should be based on biogas production capacity, desulphurization and dehydration treatment speed and other factors to select biogas generators. As the biogas production of the biogas pool is carried out slowly, the volume of gas production per hour is limited, the flow is limited, and the biogas desulfurization and dehydration also take time, so the biogas used per hour is limited.
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