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1. Is there an error in converting tons of lubricating oil into liters?
When converting tons of lubricating oil into liters, there may indeed be errors. The error mainly comes from the following aspects: the difference in lubricating oil density. The density of lubricating oil is usually between 0.85~0.95 g/cm ³, and different brands, models, or uses of lubricating oil may have different densities. For example, mineral oil has a high density (about 0.88-0.95 g/cm ³), while synthetic oil has a low density (about 0.85-0.88 g/cm ³). If converted directly based on a fixed density (such as 0.9 g/cm ³), errors may occur when the actual density does not match the assumed value. The effect of temperature on volume: The volume of lubricating oil will expand or contract with temperature changes (thermal expansion and cold contraction). The standard density is usually measured at 15 ° C or 20 ° C. If the actual temperature is different from the standard temperature, there may be a deviation in the conversion result. For example, when lubricating oil expands in volume at high temperatures, the number of liters corresponding to the same mass will increase. The accuracy of measuring tools in terms of weight (in tons) and volume (in liters) is limited by the lifting and grinding of the measuring tools themselves, especially during bulk transportation, where errors in weighing scales or flow meters may accumulate. The theoretical conversion formula for mathematical error in unit conversion is: [\ text {liters}=\ frac {\ text {mass (tons)} \ times 1000} {\ text {density (kg/L)}] If the density value is not rounded to enough decimal places (such as 0.9 instead of 0.875), the calculated result will deviate from the actual value.
2. What are the steps for handling interruptions in the oil circulation?
Emergency steps for handling interruptions in the oil circulation. Immediate shutdown and system isolation - Immediately perform emergency shutdown operation, cut off the power source of the compressor - quickly close the inlet and outlet valves of the CPC system, isolate the faulty section - open the system pressure relief valve to reduce the oil circuit pressure (pay attention to the risk of high-temperature oil bench beam leakage and splashing) 2 Status confirmation and parameter recording - Record the oil pressure value, temperature, and flow meter reading during interruption - Check the filter differential pressure sensor data - Confirm whether the backup oil pump starts normally (if any) - Take a picture of the on-site instrument panel reading and retain it Root cause investigation 3.1 Oil problem investigation - Sampling and testing of oil residue viscosity (standard value ISO VG 32-46) - Check whether the oil level is below the minimum warning line - Laboratory analysis of pollutant content (water content>500ppm needs to be replaced) 3.2 Equipment hardware inspection - Chec