SED-350YPG-F — Pressure Spray Dryer
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SED-350YPG-F pressure spray dryer for high-solid feed liquids such as glucose. Max water evaporation 350 kg/h; rated 980-1000 kg/h glucose throughput (30% → ≤5% moisture). Tower ID 3.3 m / OD 3.5 m, height 23 m. Total in
Funcionamiento
Ambient air is delivered by a centrifugal supply fan (18.5 kW) through primary/intermediate filters (18,000 m³/h, 400 Pa drop) and high-temperature high-efficiency filters; the clean air is heated to 180-200°C by an indirect natural-gas hot-blast stove (JRFQ-80, 800,000 kcal/h, max 116 m³/h gas). Heated air enters the tower top via a three-layer hot-air distributor and flows downward in parallel. The 70%-solid feed liquid is pressurized by the 30HY triplex plunger pump (15 kW, 30 MPa, 1500 L/h) through a pressure-surge tank to a Φ2.0 tungsten-carbide nozzle, atomized into fine droplets, and contacted with the parallel-flow hot air for rapid evaporation. Dried powder is collected from the tower cone bottom (equipped with 6 SK60 pneumatic hammers), a first-stage cyclone separator (Φ1400, SUS304), and a water-film dust collector (SM2200, 4 kW) in three stages. Exhaust air is drawn by a 45 kW induced-draft fan. PLC fuzzy logic automatically tracks outlet temperature and adjusts feed rate.
