Spray Drying technique allows the transformation of feed from a fluid state into dried particulate form by spraying the feed into a hot drying medium. It is aunceasing particle processing drying operation. The feed can be a solution, suspension, dispersion or emulsion. The dried product can be in the form of powders, granules or agglomerates depending upon the physical and chemical properties of the feed, the dryer design and final powder properties desired.
The global spray drying equipment market size spans equipment type, drying stage, cycle type, flow type, application, and region. On the basis of equipment type, the global market is classified into Rotary atomizer, Nozzle atomizer, Fluidized, Closed loop, Centrifugal, Others (customized and laboratory-specific mini spray dryers). Nozzle atomizer: most pharmaceutical applications use stainless steel inserts. However, tungsten carbide nozzles are often available and have excellent resistance to abrasion and good corrosion resistance for most feedstock.
Fluidized bed: fluid bed drying technologies and offer excellent product flexibility and excellent thermal efficiency. Sticky products can be dried successfully, and the concept is ideal for drying heat sensitive products, and improved aroma retention is accomplished. On the basis of drying stage, the global market is classified into Two-stage, Multi-stage, Single stage. Single stage spray drying: the rate of evaporation is particularly high in the first part of the process, and it gradually decreases because of the falling moisture content of the particle surfaces.
Two-stage spray drying: consists of a spray drier with an external vibrating fluid bed placed below the drying chamber. The product can be removed from the drying chamber with a higher moisture content, and the final drying takes place in the external fluid bed where the residence time of the product is longer and the temperature of the drying air lower than in the spray dryer.
Multi-stage drier: The process produces non-dusty, free flowing agglomerated powders with high flavor retention. It operates with low outlet-temperatures, achieving high thermal efficiency. This design concept is successful for drying high fats, hygroscopic, and sticky products that are difficult to handle in more conventional designs. On the basis of cycle type, the global market is classified into open and closed type. On the basis of flow type, the global market size spans Co-current, Counter Current, Mixed.
Co-current flow: the spray is directed into the hot air entering the dryer and both pass through the chamber in the same direction. Counter-current flow: the spray and the air are introduced at opposite ends of the dryer, with the atomizer positioned at the top and the air entering at the bottom. Mixed flow: dryers of this type combine both concurrent and counter current flow. In mixed flow dryer, the air enters at the top and the atomizer is located at the bottom. On the basis of application, the global market size spans Food, Pharmaceuticals, Chemicals, Others (ceramic material, feed, fertilizer, and pollution control).
Food and pharmaceutical segment account for the largest market size of spray drying equipment and is expected to remain dominant over the forecast period of 2014 to 2025. This is because, the encapsulation of food ingredients requires spray drying equipment and is used by many food ingredient manufacturers. The pharmaceutical industry also uses spray drying equipment for laboratory based drug testing and for the production of medicines. The application of spray drying equipment in the others segment has future potential due to the growth in the ceramics and other related industries.
Geographically, the global market size spans North America, Europe, Asia Pacific, Latin America, Middle East and Africa, Rest of World. North America is the largest region in terms of market size of spray drying equipment and is expected to remain dominant over the forecast period of 2014 to 2025. This is due to the use of advanced technology, developed infrastructure. Europe is the second largest region with large market size and is expected to grow over the forecast period by 2025.
Asia Pacific is expected to grow at fastest rate from 2014 to 2025. This is due to the growth of spray drying equipment market size in these regions is driven by stable GDP growth rate and growing health awareness among the consumers, which result in the potential increase in the functional food & beverages market and a thriving pharmaceutical market.
The key players of the global market size are GEA Group AG, SPX Flow Technology, Buchi Labortechnik AG, Dedert Corporation and European Spray Dry Technologies LLP. The other prominent companies such as Changzhou Lemar Drying Engineering Co. Ltd., Shandong Shungeng Drying Equipment Co. Ltd., Acmefil Engineering Systems Pvt. Ltd., New AVM Systech Pvt. Ltd., and C.E. Rogers Company also have a significant market share in the global spray drying equipment market.
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