Vacuum dryers

Vacuum dryers play an essential role in various industries by providing efficient drying processes that are crucial for material processing. They remove moisture from materials such as powders, granules, pastes and viscous slurries, leading to improved product quality and longer shelf life. vacuum dryers

Operating principle of vacuum dryers

The basic principle of vacuum drying relies on reducing the pressure within the drying chamber, lowering the boiling point of liquids. This makes it possible to dry materials at lower temperatures, which is especially beneficial for heat-sensitive products. The process typically involves the following steps:

Placement of material: The material to be dried is placed in the drying chamber.
Creation of vacuum: A vacuum pump reduces the pressure in the chamber, lowering the boiling point of the liquids present.
Heating: The material is gently heated, causing the moisture to evaporate at the lower temperature.
Vapor extraction: The resulting vapors are continuously removed to optimize the drying process.

Applications in different industries

Vacuum dryers are widely used in industries such as:

Chemical industry: For drying sensitive compounds such as pigments and dyes.
Pharmaceutical industry: For gently drying pharmaceuticals without compromising their chemical stability.
Food industry: For removing moisture from foods, resulting in longer shelf life and preservation of taste and nutritional value.
Cosmetic industry: For drying ingredients used in the production of cosmetic products.

Advantages of vacuum dryers

Some key benefits of vacuum drying include:

Energy efficiency: Due to the lower boiling point, less heat energy is required, resulting in energy savings.
Protection of product quality: Drying at lower temperatures prevents thermal degradation of sensitive materials.
Faster drying times: The lowered boiling point speeds up the drying process, which increases productivity.

Bachiller is a renowned Spanish company, founded in 1968, specializing in the production of process equipment and pressure vessels for various industries, including chemical, pharmaceutical, cosmetic and food industries.

Their range of vacuum dryers includes:

Biconical vacuum dryers: Designed for gentle mixing and drying of products thanks to agitation and reduced pressure.
Conical vacuum dryers: Ideal for drying powders, granulates and pastes with uniform heat distribution and efficient mixing.
Innovation and quality

Bachiller is known for its commitment to innovation and quality. With a team of experienced engineers and modern facilities in Parets del Vallés, near Barcelona, they design and manufacture equipment that meets the highest international quality standards.

Conclusion

Vacuum dryers are indispensable components in numerous industries, ensuring efficient and careful drying processes. With companies like Bachiller at the forefront of technological innovation, industrial processes can count on reliable and high-quality solutions for their drying needs.