What is the industrial application range of flash dryers? - Xia Xiefang, general manager of Pioneer Drying, answered four users

Flash dryer is a vertical fluidized bed dryer with rotating smashing device, which can complete the smashing, drying and grading of materials at the same time. The main body of the equipment is a cylindrical drying chamber, which is composed of a pulverizing fluidized section at the bottom, a middle drying section and a top grading section. The bottom comminuting section is equipped with a stirrer, which drives the hot air entering the drying chamber from the distribution chamber to generate a high-speed rotating airflow to form a fluidized bed layer; at the same time, the material has a strong stirring and comminution effect, the mass transfer heat transfer is enhanced, and the material is accelerated. The drying rate. There is a screw feeder in the drying section. The feeder is driven by the speed-regulating motor and the speed is adjusted by the inverter. The top grading section has a grading loop, and the grading loop path is selected according to the granularity of the product. The dried material fines can be sent with air to a cyclone or bag filter.

Flash dryers are the ideal equipment for processing dispersible filter cakes and viscous pastes, and were first used in the dye industry. After many years of application practice, a variety of models have been developed and a series of products have been formed. According to different materials taken in series with other drying equipment, but also increased the scope of application of the equipment. At present, flash dryer has been widely used in dyes, pesticides, and organic chemicals, inorganic chemicals and other industrial production.

Organics: Atrazine (pesticides), lauric acid septa, benzoic acid, benzoic acid, sodium oxalate, cellulose acetate, etc.

Dyes: Erbium, iron oxide black, indigo, butyric acid, titanium hydroxide, zinc sulfate, various azo dye intermediates, phthalocyanine blue, sulfide blue, aluminum chromium yellow, alkaline yellow.

Inorganic: borax, calcium carbonate, hydroxide, copper sulfate, iron oxide, strontium carbonate, antimony trioxide, various heavy metal salts, synthetic cryolite, manganese carbonate, magnesium carbonate, sodium sulfite, calcium hydrogen phosphate, alumina, oxidation Iron red, aluminum hydroxide, sodium acetate, white carbon, bentonite and so on.

Ceramics: Kaolin, silica, clay, etc.

Food: Soy protein, gelatinized starch, distiller's grains, wheat sugar, wheat starch, etc.

Industrial waste: biological mud, ferromanganese slag, sugar slag and so on.

Hard salt series: calcium stearate (magnesium, aluminum, zinc, barium, chromium), dibasic aluminum sulfite, tribasic aluminum sulfate and so on.

Organic chemicals: melamine, triphenyl acetate, benzoic acid, methyl cellulose, bromine, DSD acid, 2,4-D acid, H acid, J acid and so on.

Pesticides: Bataan, insecticidal single, mancozeb, broom net, methomyl, quizalofop, tricyclazole, fenfenac, paclobutrazol, atrazine, extinction, imidacloprid, etc.

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