1、 Equipment design conditions

1. Liquid conditions

Material name: Silicon dioxide

Initial moisture content: about 50-60%

Final moisture content: ≤ 5%

Water evaporation rate: 15kg/h

Liquid temperature: room temperature

2. Process conditions

Atomization method: centrifugal type

Contact mode between fog droplets and hot air: parallel flow

Inlet air temperature: 250-260℃

Air outlet temperature: 120-130℃

System material requirements: SUS304 is used for the material contact part

3. Design meteorological conditions

Atmospheric pressure: standard atmospheric pressure

Environmental temperature: 20℃

Relative humidity: 80%

4. Public works

4.1 Power Supply

Power supply: 380V, 3-phase, 50HZ

Total power: 50.5kw

4.2 Compressed Air

Pressure: 0.6 MPa

consumption: 0.5m3/min

2、 System Description (Single Unit)

Preliminary selection type: LPG-15 spray Drying Unit

Heating system: electric heating

Fine powder capture system: main tower+cyclone separator+pulse bag filter

Medium circulation system: open circulation of induced draft fan

Air filtration system: primary and medium efficiency air filters

Feeding system: Adjustable feeding pump for feeding

Control system: human-machine interface, digital instrument display temperature, pressure, pressure difference, touch screen animation display workflow, centralized setting of various parameters, PLC fuzzy technology automatic tracking and control variable parameters, etc.