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1. Monitoring cost of turbine oil viscosity
2. What is crude oil
Traditionally, unprocessed petroleum is referred to as crude oil. A viscous oily liquid with a black brown color and green fluorescence, and a special odor. It is a mixture of various liquid hydrocarbons such as alkanes, cycloalkanes, aromatic hydrocarbons, and alkenes. The main components are carbon and hydrogen, accounting for 83-87% and 11-14% respectively; There are also small amounts of sulfur, oxygen, nitrogen, and trace amounts of phosphorus, arsenic, potassium, sodium, calcium, magnesium, nickel, iron, vanadium, and other elements. Specific gravity 0.78-0.97, molecular weight 280-300, solidification point -50-24 ℃. Crude oil can be refined and processed to obtain various fuel oils, solvent oils, lubricants, grease, paraffin, asphalt, liquefied gas, aromatic hydrocarbons, and other products, providing fuel, raw materials, and chemical products for various sectors of the national economy. 1. Composition of Crude Oil: On average, crude oil is composed of the following elements or compounds: carbon -84% hydrogen -14% sulfur -1-3% (hydrogen sulfide, sulfide, disulfide, and elemental sulfur) nitrogen - less than 1% (alkaline compounds with amino groups) oxygen - less than 1% (present in organic compounds such as carbon dioxide, phenol, ketones, and carboxylic acids) metals - less than 1% (nickel, iron, vanadium, copper, arsenic). Classified by sulfur content: ultra-low sulfur crude oil, low sulfur crude oil, sulfur-containing crude oil, and high sulfur crude oil. Classified by specific gravity: light crude oil, medium crude oil, and heavy crude oil are classified into three categories. The main storage methods for crude oil and oil prod
3. Petroleum Refining Process
The commonly used process in petroleum refining mainly includes the atmospheric and vacuum distillation process, which is the core link of the refinery and is responsible for converting crude oil into base oil products. After entering the refinery, crude oil will first undergo pretreatment to remove salt and moisture, in order to reduce equipment corrosion and improve production efficiency. The preprocessing stage usually includes adding demulsifiers and water, and the crude oil is sent to the distillation tower through flow meters and heat exchange equipment, which is divided into two parts: top oil and bottom oil. After being cooled by the cooler, the tower top oil enters the tank area to form light oil, also known as naphtha. This part of the product can be sold to other car manufacturers for further
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