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How does the spray drying method of laundry detergent technical products work?

by:Jingliang     2022-11-19
How does the spray drying method of laundry detergent technical products work? The spray-drying method of washing powder in detergent formulations is to first prepare the active ingredients and auxiliary agents into a slurry of a certain viscosity, and then spray-drying is outdated. The spray drying process is to spray the slurry into mist-like particles through a high-pressure pump, and then contact it with hot air of 200-300 degrees. This detergent becomes dry particles in a short time. According to the method of contact between the particles of the slurry and the hot air, it can be divided into two types: co-current and counter-current. The drying method of the downstream spray detergent technology product is that the hot air from the hot blast stove rotates into the tower from the upper part of the tower, and the slurry is also sprayed from the top of the tower. At this time, the sprayed slurry generates centrifugal force through the rapidly rotating turntable, and the mist-like particles are scattered and contacted with the hot air. At the same time, it flows downstream from the top of the tower and is dried into particles. On the machine, it causes a slight negative pressure in the tower, so that the dry particles will not fly upwards. When the atomized slurry thrown out from the rotating disc is in contact with the hot air, the formula product of washing powder is suddenly exposed to high temperature, just like some, the moisture in the washing powder slurry is suddenly separated from the air, forming a drying powder technology product. Hollow particles with thin skins.
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