There are two most important dryers used by pharmaceutical and chemical machinery. The one is just a fluid bed dryer used for drying granular, crystalline materials and second is just a tray dryer used for drying chemical powders.
The industrial dryer has become a versatile tool in the workshop. Each kind of dryer features a specific design for its intended purpose. These machines are applied in a variety of industries, including pharmaceuticals, chemical manufacturing and food processing. Large and high capacity dryers are also manufactured for big businesses. Here, we are going to discuss about two types of dryer machines, which are playing very versatile role in today's industry. The first is fluid bed dryer and another is tray dryer. Fluid bed dryer involves drying, cooling, agglomeration, granulation and coating of particular materials. It is ideal for wide selection both heat sensitive and non-heat sensitive products. Uniform processing conditions are accomplished by passing a gas by way of a product layer under a controlled velocity to make a fluidized state for drying. In fluid bed drying, heat is furnished by the fluidization gas, however the gas flow will not need to be the only real source. Heat may be effectively introduced by heating surfaces by immersing panels or tubes in the fluidized layer https://maximind.ca/.
Fluid bed drying is suited to powders, granules, agglomerates and pellets having an average particle size normally between 50 to 5000 microns. Very fine, light powders or highly elongated particles may require vibration for successful fluid bed drying.
In fluid bed dryer, conditioning of the gas may be required to accomplish sufficient product cooling in an economy sized plant and to pick up of volatiles. Heat may also be removed by cooling surfaces immersed in the fluidized layer. Fluid bed dryer offers important advantages over other types of drying particulate materials. Particle fluidization by fluid bed dryer gives easy material transport, high rates of heat exchange and high thermal efficiency while preventing overheating of individual particles. Other important properties of fluid bed dryer are fluidization gas velocity, fluidization point, equilibrium volatile content and heat transfer coefficient for immersing heating surfaces https://peacefullendings.com/.
Another important dryer in the industry is tray dryer. Tray dryer is a professional device using heat to dry a massive amount flat trays at one time. The processed trays can contain a variety of materials, including food products to chemical experiments. Disidratatore Professionale It is principally found in the pharmaceutical industry, in dies for chemical industry, food industries and dairies, polymer and biochemical industry. Regardless of products drying on the tray, each dryer uses warm, dry air forced through blowers in a closed area. The three types of tray dryers are batch, semi-continuous, and cross flow models. Tray dryer can be used for the best drying reserves in conventional processes. It's double walled cabinet with one or two doors. The gap between the two walls is full of light resin bounded by fiber glass, wool insulation material in order to avoid heat transfer. Doors are supplied with gaskets in order to avoid air leakages from leading side of the door. Metal trays are positioned within the chamber. Efficient air re-circular system is to be used by tray dryer. Oxygen alongside heated air in proper proportion is to be inserted into the dryer for optimum drying. The tray dryer was created in such a way that the most truly effective and bottom materials dry simultaneously. This combination of air is circulated in the tray dryer even when the dryer's temperature is under controlled.
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