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Products Description
The SED-2PG-Q is a small spray dryer for laboratory production of fine powder. It is intended for universities, research institutes and development laboratories in the food, pharmaceutical and chemical industries. The equipment dries suitable liquid feeds by spraying them into a heated air stream and collecting the resulting solid material.
Feeding and spray formation
The feeding system uses a peristaltic pump to regulate liquid delivery to the spray nozzle. Pneumatic atomization disperses the feed into droplets for contact with the drying air. The equipment can be used for suitable solutions, emulsions and suspensions, including liquid preparations used in food, extract and materials research.
A nozzle-cleaning needle automatically clears obstruction at the nozzle. Its operating frequency is adjustable, allowing the cleaning action to be set for the experimental process. The integrated compressor supplies the atomizing air, while the machine groups the feed tubing, air tubing, pressure indication and operating controls around the drying assembly.
Observation and powder recovery
The transparent spray, drying and collection sections allow the experiment to be observed as it runs. The drying chamber connects to a cyclone separator and collection bottle, providing a visible route through the main drying and recovery stages. The photographed assembly includes clamped connections, accessible collection vessels and a cabinet mounted on casters.
The equipment is used for laboratory work with liquid formulations such as milk and egg preparations, plant extracts, pigments and other suitable research feeds. The specification table separates water evaporation from liquid-feed capacity, since these describe different aspects of the drying process. Materials and nozzle options are also identified in the table.
Touchscreen operation
The color touchscreen supports automatic and manual operation, with Chinese and English panel functions and process-parameter display. The temperature-control system uses feedback regulation to manage heating. The machine also includes a fan and heater interlock to protect the heating assembly. The supported control ranges, electrical ratings and operating-pressure requirement are listed in the parameter table.
Products Specification
| Parameter | Specification |
|---|---|
| Model | SED-2PG-Q |
| Equipment type | Small laboratory pneumatic spray dryer |
| Inlet-air temperature control | 30–300 °C |
| Outlet-air temperature control | 30–150 °C |
| Water evaporation | 1500–2000 mL/h; water evaporation, not dry-powder output |
| Maximum liquid-feed rate | 2000 mL/h |
| Minimum feed volume | 50 mL |
| Feed method | Adjustable peristaltic pump |
| Average drying time | 1.0–1.5 s, as listed in the source |
| Electric heater power | 3.5 kW; heater rating, not total machine power |
| Electric heater supply | AC 220 V, single phase with protective earth |
| Fan | 0.55 kW; maximum airflow 5.6 m³/min; maximum air pressure 1020 Pa |
| Air compressor | 1.2 kW; maximum air production 4.2 m³/h |
| Compressed-air working pressure | 2–3 bar |
| Dimensions (L × W × H) | 600 × 700 × 1200 mm |
| Equipment weight | 125 kg |
| Nozzle diameter | 1.00 mm; 0.7, 1.5 and 2.0 mm alternatives optional |
| Atomization construction | Two-fluid spray atomizer made from 316 stainless steel |
| Drying and collection materials | Heat-resistant high-borosilicate glass for the spray, drying and collection assembly |
| Air supply | Built-in oil-free compressor |
| Heating temperature-control accuracy | ±1 °C |
| Heater protection | Heater cannot start unless the fan is running |
| Operating controls | Color touchscreen; automatic and manual modes; Chinese and English panel functions |
Features
- Adjustable peristaltic-pump feeding.
- Visible spray, drying and collection assembly.
- Pneumatic atomization with an adjustable nozzle-cleaning needle.
- Touchscreen operation with automatic and manual modes.
- Feedback temperature regulation and fan/heater protection.
- Integrated oil-free air supply and mobile cabinet.
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