What Is Spray Dryer?
What is spray dryer?
A spray dryer is a machine that can complete drying and granulation at the same time. According to the process requirements, the pressure, flow rate, and size of the nozzle hole of the feed liquid pump, it can be adjusted to obtain the required spherical particles in a certain size ratio. As a type of continuous atmospheric dryer, the small spray dryer can spray the liquid material into a mist and make it contact with hot air thus being dried.
How does spray drying work?
How does spray drying work? Here is the detail. After filtering and heating, the air enters the air distributor on the top of the dryer, and the hot air enters the drying chamber evenly in a spiral shape. The material liquid passes through the high-speed centrifugal atomizer at the top of the tower and is sprayed into very fine misty liquid beads, which can be dried into finished products in a very short time in co-current contact with hot air. The finished product is continuously output from the bottom of the drying tower and the cyclone separator, and the waste gas is evacuated by the induced draft fan.
What is a spray dryer used for?
What is a spray dryer used for? For ordinary people, the most familiar application of spray drying is dairy products, and most milk powders are manufactured using this process. Milk is rich in protein and other nutrients, but if the water is removed directly by heating, the continuous high temperature will also remove the nutrition. The rapid method of spray drying can retain the original nutrients to a limit, and can also avoid the introduction of new pollutants in the long production process so that the quality of milk powder is better and more stable, and it can also reduce the manufacturer’s quality control costs.
What is a spray dryer used for? There is another widely-known application of spray dryer, that is, the pharmaceutical industry, especially the Chinese medicine industry. In traditional Chinese medicine, the effective ingredients in medicinal materials are generally extracted by decoction, which is not only long but also low in concentration. In modern pharmaceutical factories, effective ingredients with uniform texture and very high concentration can be obtained through instant spray drying, so that all kinds of original herbs can be made into tablets or capsules that are more convenient to take. Doctors can control the dosage more conveniently as well.
What is spray dryer? How does spray drying work? And what is a spray dryer used for? You should have known the answers to the three questions. Hawachdryer is a trustworthy supplier of the spray dryer and lyophilization machine. For our spray dryer, we have a small one for lab use, a larger one for the pilot-scale industry, and a special vacuum or closed-loop one for certain occasions. Come and inquire from us now if you have any needs! We also offer customization services!