Scraped surface heat exchangers (SSHEs) are specialized types of heat exchangers that are designed for processing high-viscosity fluids, such as margarine, shortening, slurries, pastes, and creams. They are commonly used in the food, chemical, and pharmaceutical industries for various applications such as heating, cooling, crystallization, mixing, and reaction.
Some specific applications of scraped surface heat exchangers include:
Crystallization:
SSHEs are widely used for crystallization of fats, oils, waxes, and other high-viscosity substances. The scraper blades continuously remove the crystal layer from the heat transfer surface, ensuring a consistent and high-quality product.
Mixing:
SSHEs can be used for mixing and blending of high-viscosity products. The scraper blades help to break down the product and promote mixing, resulting in a homogenous and uniform product.
Heating and cooling:
SSHEs are often used for heating and cooling of high-viscosity products, such as sauces, soups, and pastes. The scraper blades help to maintain a thin and uniform film on the heat transfer surface, ensuring efficient heat transfer.
Reaction:
SSHEs can be used for continuous reaction processes, such as polymerization, esterification, and transesterification. The scraper blades help to remove the reaction products from the heat transfer surface, preventing fouling and ensuring consistent product quality.
Overall,
scraped surface heat exchangers are a versatile and efficient technology for processing high-viscosity fluids. Their ability to handle complex applications, reduce fouling, and improve product quality makes them a popular choice in many industries.
Post time: Mar-20-2023