Bio-based plastics HS code classification

Reasons and Bio-based plastics HS code classificationsolutions for engine oil burning The engine is one of the core components of the car and undertakes the important task of automobile operation.However, in the process of use, some car owners will encounter the situation of burning engine oil. Burning oil will cause serious damage to the engine, so it is very important to understand the causes and solutions of engine oil burning. I. The reason why the engine burns oil 1. Piston ring wear piston ring is a ring part that connects the piston and the cylinder block. Its main function is to seal the air between the piston and the cylinder block. If the piston ring is excessively worn, it will lead to an imbalance of pressure inside and outside the engine, causing fuel and air to enter the oil pan, causing the engine to burn oil. Two. Oil span wear The oil sup is the bottom part of the engine, and its function is to store the oil in the engine. If the oil pan is worn out, the oil will leak into the combustion chamber, causing the engine to burn the oil. 3. Piston and cylinder block wear Piston and cylinder block are closely matched parts.If they are worn excessively, the piston will produce too much friction and heat in the cylinder, resulting in the rupture of the oil film between the piston and the cylinder block, and the oil will leak into the combustion chamber. Four. The valve stem seal fails. There are valve stem seals on the intake and exhaust valves of the engine. The function of the valve stem seal is to ensure that the oil from the valve rod to the transmission bearing of the valve will not leak. If the valve stem seal fails, the oil will enter the top of the valve rod and then enter the combustion chamber through the exhaust pipe. 5. Excessive use of the vehicle for too long use of the vehicle may lead to too large gap in the piston ring, piston wear, cylinder block wear, valve stem seal failure, etc., which will lead to oil burning. II. Solution 1. Changing the oil and replacing the engine oil can solve many problems of engine oil burning, because the oil is the key to protecting the engine.If the oil is too dirty and too old, it is easy to raise the engine temperature, resulting in deterioration, thickening and poor fluidity of the oil, resulting in the problem of burning the engine oil. Two. Replace the piston ring and oil seal. The piston ring and oil seal are one of the wearable parts in the engine. If these parts are found to be worn excessively, they should be replaced in time. Replacing the piston ring and oil seal can reduce the occurrence of oil leakage. 3. Check and replace the valve stem seal. The valve stem seal is also one of the wearable parts. If the valve stem seal fails, it should be replaced in time. Checking and replacing the valve stem seal can effectively solve the problem of engine oil burning. Four. After parking for a long time to cool down, you should stop in time to cool down the vehicle. Driving for a long time will cause the engine to overheat. Overheating will cause the oil temperature to rise, resulting in oil deterioration, thickening and poor fluidity, resulting in the problem of burning oil. 5.If the vehicle has been used for too long and the engine wear is serious, replacing the vehicle is the best way to solve the problem of burning oil. In summary, engine oil burning is a common problem encountered in the process of vehicle maintenance and upkeep. Understanding the reasons for burning engine oil from the perspective of parts and adopting corresponding solutions can effectively extend the service life of the engine and avoid some serious accidents. Therefore, car owners should actively carry out vehicle maintenance and upkeep, deal with the problem of burning oil in time, and ensure the safe and stable operation of the vehicle.

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