Technical sharing

A Thermal Oil Heating System consists of a thermal oil heater, burner, circulation pump, expansion tank, deaerator, heat exchanger, and safety control system. Its operating principle follows a closed-loop cycle: the oil is heated, circulated, and transfers heat steadily without being consumed. Key advantages include providing high temperatures of 150–320 °C, high efficiency, safer operation compared to steam, and energy savings. It is widely applied in asphalt plants, chemical and polymer industries, building materials, food processing, metallurgy, and textiles.

DNS Trans 30 & 100 Heat Transfer Oils by Denis Oil, formulated with refined base oils and imported additives, are designed for asphalt plants. With fast heat transfer, high thermal stability, oxidation resistance, and high flash point, they ensure safe operation, reduced maintenance, energy savings, and extended equipment life.

Introduction to basic technical knowledge of hydraulic systems and lubrication, including: the role of hydraulic oil, types of hydraulic pumps (gear, vane, piston), methods for determining oil viscosity according to ISO VG, oil cleanliness levels based on ISO 4406, classification of hydraulic oils (mineral, synthetic, fire-resistant, biodegradable), along with international quality standards (DIN 51524, ISO 11158).

Short Description: Gear lubrication is essential to ensure durability, reduce friction, prevent wear, dissipate heat, and protect gear surfaces. Choosing the right oil and viscosity according to load, speed, and application (industrial or automotive), combined with proper lubrication methods, will extend equipment life and improve efficiency

Bearing lubrication reduces friction, wear, heat, corrosion, and vibration. There are two main bearing types—plain and rolling—each requiring suitable oil or grease based on viscosity, temperature, load, and international standards (ISO, ASTM, DIN). Lubricant supply methods include oil bath, oil mist, circulation, drip feed, or manual/automatic grease application. Regular maintenance and condition monitoring extend bearing and machinery life.

Functions, composition, base oil, additives, API/ACEA/SAE standards, and oil selection guide.