Shell and Tube Heat Exchanger for Oil

Introduction

Shell-and-tube heat exchangers for oil applications are core thermal devices specifically designed for efficient heat exchange between oil (hydraulic oil, crude oil, lubricating oil, fuel oil, etc.) and secondary fluids (cooling water, steam, heat transfer oil, etc.) in industrial processes. They are particularly suitable for high-temperature, high-pressure, and high-flow-rate oil cooling, heating, and waste heat recovery applications, achieving heat exchange efficiencies of over 90% and stable operation under harsh conditions. These heat exchangers are widely used in industries such as oil and gas, petrochemicals, power generation, and heavy machinery, and are the preferred choice for oil thermal management systems.

Working Principle

Hot oil flows inside the tubes (tube side) or on the shell side (outside the tubes), while a secondary fluid (coolant/heat source) flows counter-currently or cross-currently on the opposite side. Baffles force the shell-side fluid to repeatedly sweep across the tube bundle, thereby enhancing turbulence and the heat transfer coefficient. Heat is transferred through the tube walls to heat or cool the oil to meet process temperature requirements (e.g., cooling hydraulic oil from 60°C to 40°C, or heating crude oil from 40°C to 80°C).

Key Features

1. High Efficiency: The shell-side and tube-side design provides a large heat exchange area, enabling efficient heat transfer and making it suitable for high-temperature and high-pressure operating conditions.

2. Corrosion Resistance: Depending on the operating environment, different tube and shell materials can be selected, such as stainless steel and titanium alloys, offering excellent corrosion resistance.

3. Easy Maintenance: The detachable tube bundle design facilitates cleaning and maintenance, extending the equipment's service life.

4. Flexibility: Custom sizes and configurations can be tailored to specific needs, meeting the heat exchange requirements of different fluids.

Application Areas

1. Petroleum Refining: Used for heating and cooling crude oil and heat exchange of various process liquids.

2. Chemical Industry: Used for thermal management in reactors, separators, and other equipment.

3. Energy Industry: For example, as part of cooling water systems in power plants.

4. Food Processing: Used for heating or cooling fluids in food and beverage production processes.

Safety Measures

1. Pressure Monitoring: Equipped with pressure gauges and safety valves to ensure equipment operates within safe limits.

2. Temperature Control: Fluid temperature is monitored in real time using temperature sensors to prevent overheating.

3. Leak Detection: A leak detection system is included to ensure operational safety.

Our advantage

1. Pressure vessel product customization service

2. Pressure vessel manufacturer, ISO9001 quality management system

3. Familiar with foreign pressure vessel specifications, with American ASME, EU PED pressure vessel design and manufacturing qualifications, Japanese JIS, Malaysian DOSH vessels successfully delivered

4. Operation experience of professional foreign trade export projects

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