Biogas generator set is a kind of gas generator set. The market trusts the technology of biogas generator set very much. Biogas generator set is a common power in the industry. Therefore, the market is very concerned about the biogas generator set. When we purchase biogas generator sets, we should make clear the problems that biogas generator sets are easy to show, so as to prevent these problems from recurring. The following are the problems that biogas generator sets are easy to show.
1. The air filter is blocked, the air intake is not smooth or the oil level in the oil basin is too high (oil bath type air filter), which reduces the air flow into the cylinder, changes the normal proportion of the fuel gas mixture, resulting in incomplete extinguishing of the oil with more air and less fuel, and also causes blue smoke from the exhaust.
2. There are too many smooth oil in the oil pan, and the smooth oil is easy to flow into the quenching chamber during the operation of diesel engine.
3。 During long-term low load operation (less than 40% of rated power), the clearance between the piston and the cylinder liner is too large, so that the smooth oil in the oil pan can easily flow into the quenching chamber, mix with the fuel mixture in the cylinder, change the normal proportion of the mixture, and the extinguishing is incomplete, causing blue smoke from the exhaust。
4. The piston ring is jammed or worn too much, lacking elasticity. When the device is installed, the chamfer direction of the piston ring is reversed, so that the engine oil enters the quenching chamber, and the blue water vapor smoke is produced after the smooth oil is extinguished.
5。 If the cylinder pad near the left of the oil passage from the engine block to the cylinder head is burnt, the piston and cylinder sleeve are worn, and the piston ring are matched, etc。, the smooth oil will jump up the quenching chamber and go out together with the fuel mixture。
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