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Dehumidification and efficient air heating are key for spray drying

Spray drying is a sensitive process, and it requires precise humidity and temperature control. Airborne moisture and undesirable humidity can have adverse effects on your production output:

• Seasonal humidity variation can impact process time and quality.
• Clumping and blockages occur when the air contains large levels of moisture, as powders and granules have a natural tendency to form lumps and clumps – especially prevalent in food and pharmaceutical processing.
• Mold, fungi, and bacterial growth of all kinds can easily occur where the relative humidity is high. They can cause major damage to products, and could be a health risk to employees.
• Condensation can result in pooling on surfaces where powders may get stuck and clump inside the machinery and/or drying chambers.
• Corrosion of the spray drying equipment can reduce its efficiency and shorten its service life – driving up service and maintenance costs.

Indirect air heating is an essential step in the spray drying process. Traditional steam systems have high initial cost, low efficiency, and cannot provide higher supply temperatures. Munters’ VariMax IFRG, indirect recirculating gas heater, provides contaminant-free air – without increasing humidity levels – with supply temperatures up to 1000°F (538° C) and efficiency levels up to 98%.

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Why choose a Munters spray drying solution

Munters has decades of experience in developing proven spray drying solutions that increase efficiency, reduce energy consumption, and positively impact your bottom line. Our solutions can help you achieve your perfect product quality.

Main air dehumidification with PureSystem

Munters PureSystem is the premium dehumidifier – perfect for spray drying applications. This dehumidifier improves production capacity, product quality and overall energy efficiency, while the stainless-steel welded construction guarantees optimal hygiene.

Treat secondary air with PureHP

Munters PureHP is the premium hygienic air treatment system – effectively and efficiently recycling air flow. This technology is perfect for installation in high-care areas due to its hygienic design, and ability to handle pressure up to 6000 Pa.

Indirect process air heating with VariMax IFRG

Indirect heating eliminates hazardous byproducts and added moisture associated with combustion, resulting in a cleaner product, increased dryer capacity, and reduced operating cost. The VariMax IFRG offers efficiency levels up to 98% with supply temperatures up to 1000°F (538° C) in a compact, single skid design for simple installation. Watch the video here.

Reduce exhaust air noise with PureSound

Munters PureSound dramatically reduces the amount of airborne noise emitted, and the baffles can be cleaned in place (CIP) – securing long lasting performance with improved hygiene.

Product conveying with ICA

To avoid powder sticking during transport, choose from Munters Integrated Custom Air Handler (ICA) Series. Ideal in areas where product is conveyed toward packing, this system can be designed for your specific application.They are ideal in areas where product is conveyed toward packing. These flexible systems can be designed for your specific application.

Advantages of Munters’ spray drying solutions

• Increased production capacity – up to 40%
• Reduced energy consumption – up to 15%
• More hygienic product
• Consistent, year-round process performance
• Enhanced product quality - reduced lumping, clumping, fouling and blockage
• Reduced Clean-In-Place (CIP) time and frequency .

Munters Services - With you all the way

Our teams are here to ensure that your spray drying process is running smoothly and efficiently. We'll guide you through the entire process, from choosing the best solution for your needs to helping you keep your equipment running at optimal levels.

Whether it’s providing phone or online consultation, repair and reconditioning, commissioning, or servicing equipment onsite, we are engaged and committed to exceeding your expectations.

Talk to an expert.