Why use twin-screw pump for heavy oil transportation

The remaining heavy oil after oil and diesel oil is characterized by large molecular weight and high viscosity. The specific gravity of heavy oil is generally 0.82-0.95, and the calorific value is about 10,000-11,000kcal/kg. Its composition is mainly hydrocarbons, and it also contains part (about 0.1-4%) of sulfur and trace amounts of inorganic compounds. Heavy […]