No, operation of the air-side sealing oil circulation system is a necessary condition for generator operation. After all, the flow rate of the air-side sealing oil is much higher than the flow rate of the sealing oil. the hydrogen in the generator avoids leakage mainly by relying on the air side oil, when the rotor reaches a high speed rotation of 3000/min, if only the hydrogen side oil cycle is run, the flow Hydrogen side oil is too weak to fill. the required space and flow rate of the air side oil at the sealing tile. This causes the rotor to rotate with dry friction in the fixed bracket and damage the seal tile, but the hydrogen side seal oil does not need to flow to the air side. The oil flow design took into account the flow of a small part of the oil required by the air side oil to fill the hydrogen side seal tile when the hOil on the hydrogen side is cut off. Dry friction will not occur, but the purity of the hydrogen will decrease. , but the purity remains within the permitted operating range of the generator.
Where are the oil and water detectors located on the generator? What are the functions?
This will not cause knocking in the cylinders. Too low temperature of diesel engine oil and water will cause the following dangers:
1. be too low, making it difficult for diesel to atomize and burn after injection, part of the diesel fuel is always discharged with the exhaust gas as mist droplets, and the smoke color is white.
2. The fuel is not completely burned and forms a colloid, which jams the piston ring in the piston ring groove, blocking the valve and the pressure in the cylinder decreases as compression ends.
3. Some products after cCombustion combine with condensed water in the cylinder to generate acidic substances, which corrode the cylinder and significantly increase engine wear.
4. If the water temperature is too low, the engine oil temperature will also decrease, the engine oil will thicken, the fluidity will become poor, and the oil volume of the oil pump will decrease, resulting in poor performance. insufficient oil. In addition, the clearance of the crankshaft bearings will become smaller, which will lead to poor lubrication. Tests have proven that if the coolant temperature drops from 85°C to 30°C, engine power will be reduced by approximately 8%, fuel consumption will increase by 30-40% and wear will increase by 'about 6 times. . Therefore, avoid lowering the water temperature when using the generator.
An oil and water detector is installed at the bottom of the generator, at the output terminal block and in theoil return expansion tank on the hydrogen side of the sealing oil. Oil and water detectors at the bottom of. The generator and output terminal block are used to detect sealing oil and fixed cold water. Whether it is leaking inside the generator, the oil-water detector in the sealed oil-hydrogen side oil return expansion tank is mainly used to detect whether the oil level in the expansion tank is too high.