Spray dryer SD-05A

hot airlaboratoryfor pilot plants

Short description

• Pilot spray dryer designed for laboratory and pilot-scale processing of water-based solutions with sanitary AISI 304 construction.
• Process capacity: 5 L/h (≈5 kg/h).
• Atomizer options: standard two-fluid parallel-flow nozzle or optional high-speed centrifugal atomizer.
• Optional bag filter with pulse cleaning for exhaust treatment and product recovery.
• Supplied with PLC control and 10" touchscreen; optional silent oil-free air compressor available.

Description
The SD-05A is an upgraded pilot spray dryer offering flexible laboratory operation and easy access for cleaning and inspection. It supports co-current atomization with a two-fluid nozzle or an optional centrifugal atomizer. Drying air is electrically heated and distributed via the H-Adv hot-air distributor to ensure uniform airflow. The drying chamber has a conical bottom (60°), a round WD door with observation window, internal lighting and sight glass. The system is delivered with PLC-based control and necessary instrumentation. All product-contact metallic parts are AISI 304 stainless steel finished to sanitary standards.

Materials of construction and surface finish

• Product-contact metallic parts: stainless steel AISI 304.
• External surfaces and welds: polished to Ra < 1.2 µm.
• Internal product-contact welds (chamber, powder duct, cyclone, powder container, gas duct to bag filter): smooth finish, max Ra 0.8 µm.
• Other internal welds: ground flush to parent sheet (grit 120).
• Stainless steel cladding: AISI 304.

Standard scope of supply

• Peristaltic feeding pump.
• Standard parallel-flow two-fluid nozzle atomizer.
• Optional centrifugal atomizer.
• Induced-draft fan.
• Electric gas heater.
• H-Adv integrated hot-air distributor.
• Conical-bottom drying chamber.
• Cyclone and 1.5 L collection flask.
• Field instrumentation, PLC-based control hardware and spare parts.

Control system

• Electrical control cabinet with certified electrical components.
• 10-inch capacitive high-resolution touchscreen (1024×800).
• LF-Control 2.0 software: temperature and pressure monitoring, pump start/stop, VFD control curves, data logging and alarms.
• Quick-release design for sensors, power supplies and tubing for easy maintenance.

Optional accessories

• Silent oil-free air compressor with multi-stage filtration (optional).
• Pulse air hammer system for automatic bag filter cleaning.
• High-speed rotary centrifugal atomizer (optional).
• Bag filter for exhaust treatment and product recovery (with or without pulse function).
• SS304 air pre-filter rack.

Technical Parameters
No. | Item Name | Specifications
Basic
1. | Equipment model | SD-05A
2. | Max. water evaporation | 5 L/H (≈5 kg/h)
3. | Peristaltic pump | 0 ~ 5000 ml/h
4. | Inlet air temperature | 30 - 300 °C ± 2 °C
5. | Air temperature (other zone) | 30 - 120 °C ± 2 °C
6. | Inlet & outlet temp. sensor | PT-100 temperature sensor, intelligent PID control
7. | Atomization structure | Seamless nozzle atomizer design & RN-Con modular rotary atomizer option
8. | Atomizer | Imported standard parallel-flow two-fluid atomizer (centrifugal optional)
9. | Hot air distributor | H-Adv integrated hot-air distributor, even airflow, adjustable direction
10. | Door hole | WD round door with observation window and thermal insulation
11. | Induced draft fan | High-pressure fan (VFD), 1.5 kW / 220 V
12. | Electric heaters | 10 kW / 380 V, stainless steel heating elements
13. | Dry air flow | Up to 100 kg/h
14. | Average drying time | 1.0 - 1.5 s
15. | Automatic draining device | Automatic needle, adjustable frequency 1 - 60 s
16. | Air compressor (standard spec) | 2.2 kW, 180 L/min, 2 - 6 bar
17. | Capacity of collection flask | 1.5 L
Control system
1. | Electrical control cabinet | HSSP spray finish; Schneider-standard electrical components
2. | Touch screen | 10-inch capacitive touchscreen, 1024×800
3. | Software system | LF-Control 2.0 with data logging, curves and alarms
4. | Quick release design | Quick insertion and tubing for easy maintenance
Others
1. | Voltage | AC 380 V, 50 Hz
2. | Rated power | AC 380 V / 16 kW (example plant rated power)
3. | Minimum space required (L×W×H) | 1930 mm × 1030 mm × 2010 mm
4. | Weight | 265 kg (unit weight)

Characteristics / technical specifications

• Model: SD-05A (pilot spray dryer).
• Process capacity: 5 L / ≈5 kg per hour for water-based solutions.
• Atomizers: standard two-fluid parallel-flow nozzle; optional high-speed centrifugal rotary atomizer (RN-Con modular).
• Heating: electric gas heater distributed via H-Adv hot-air distributor.
• Drying chamber: conical bottom (60°), WD round door, sight glass and internal lighting.
• Collection: cyclone plus 1.5 L collection flask; optional bag filter (pulse or non-pulse).
• Air system: induced-draft fan (1.5 kW, VFD); optional silent oil-free air compressor (2.2 kW, 180 L/min, 2-6 bar).
• Control: PLC with 10" touchscreen and LF-Control 2.0 (monitoring, VFD control, logging, alarms).
• Construction: sanitary AISI 304 product-contact parts; external finish Ra < 1.2 µm; internal welds Ra ≤ 0.8 µm.
• Electrical supply (typical): AC 380 V, 50 Hz; example rated power: 16 kW.
• Footprint (min): 1930×1030×2010 mm; net weight ~265 kg.