Plate and Tubular Heat Exchanger
TORAY Plate and Tubular type heat exchangers are generally used in heating, cooling and heat recovery tasks that require high efficiency.
Heat exchangers used in the production of liquid foods play an important role in processes such as cooling, heating or pasteurization of liquids. These processes are critical to ensuring the quality and safety of foods.
Plate Heat Exchangers
- Areas of Use: Used for cooling or heating milk and dairy products (e.g. milk, yogurt, whey), fruit juices, beverages (e.g. fruit juice, energy drinks), various liquid foods.
- Advantages: Plate heat exchangers save energy thanks to their compact design and high heat transfer efficiency. At the same time, their hygienic design and easy cleaning are important for the safety of liquid foods.
Tubular Heat Exchangers
- Areas of Use: Used for cooling or heating liquid foods in larger capacities. For example, condensed milk products (cream, whey concentrate), cooling or pasteurization processes in fish processing plants.
- Advantages: Their durable structure and high pressure and temperature tolerance ensure reliability in industrial applications. Large pipe diameters facilitate the passage of dense products.
Applications
- Pasteurization: Both plate and tubular exchangers are used in the pasteurization (heat treatment) of milk and dairy products. This process kills pathogenic microorganisms and extends the shelf life of the product.
- Cooling: Cooling is important in the production of liquid foods, especially in products such as fruit juices and dairy products. Exchangers prevent quality loss by rapidly cooling the product.
- Heating: Exchangers are used to reach the processing temperatures of some products. For example, for the heating or sterilization of chocolate milk.
Exchangers help reduce energy costs by increasing process efficiency in liquid food production. Being designed in accordance with hygiene standards and being easy to clean is important for food safety. Choosing the right type of exchanger for each application is critical for product quality and efficiency.
Differences and Areas of Use
- Plate exchangers are preferred in smaller areas due to their compact design and high heat transfer efficiency. They provide quick cleaning and maintenance opportunities.
- Tubular exchangers are generally used in larger capacities and high-pressure applications. They are frequently used in industrial facilities due to their durability and long life.
Both types of exchangers play an important role in increasing the energy efficiency of liquids or gases, optimizing processes and reducing costs. Their selection is made according to application requirements, flow rates, pressure and temperature conditions.
Plate Heat Exchanger
- A plate heat exchanger is a device that is formed by arranging many metal plates and allows the heat transfer of liquids or gases between these plates.
- Each plate contains specially formed channels and the liquids circulate between these channels and transfer heat.
- The plates are usually made of stainless steel, titanium or nickel alloy materials and provide effective heat transfer by providing a large surface area.
- Since its heat transfer efficiency is high, it is frequently used in the food, chemical, pharmaceutical and energy industries.
Tubular Heat Exchanger (Shell and Tube Heat Exchanger)
Tubular heat exchangers (THE) are used in some cases for pasteurization / UHT treatment of dairy products. Unlike plate heat exchangers, the shell heat exchanger has no contact points in the product channel and can therefore process products containing particles up to a certain size. The maximum particle size depends on the diameter of the tube. The shell heat exchanger can also operate between cleanings for longer periods than the plate heat exchanger in the UHT process. In terms of heat transfer, the shell heat exchanger is less efficient than the plate heat exchanger.
- The tube heat exchanger is a type of exchanger with a structure consisting of interlocking tubes and tube bundles.
- It is usually formed with one or more tubes placed in a tube bundle (shell).
- While a liquid or gas circulates inside the tube bundle, another liquid or gas circulates through the tubes passing through the tube and heat transfer occurs.
- Tubular exchangers can be used in high pressure and temperature conditions and are generally preferred in industries such as chemistry, oil, and power plants.
