Product Description ►∣Product Description:
A spray dryer operates by having air pass through a filter and heating device before entering the top of the drying chamber's hot air distributor. The hot air from the distributor evenly enters the chamber, spiraling as it does so. Simultaneously, the liquid material is delivered to the spray nozzle mounted at the top of the chamber, where it is atomized into fine droplets. This greatly increases the surface area of contact between the liquid and the hot air, causing rapid evaporation of moisture and the quick drying of the product. Coarser finished products are collected in a hopper at the bottom of the dryer, while exhaust gases are expelled by a centrifugal fan.
THE MAIN CHARACTERISTICS
1. Rapid drying speed. After being atomized, the liquid has a significantly increased surface area, which allows for the evaporation of 95-98% of its moisture in a high-temperature air stream almost instantly, with the drying process taking only a few seconds.
2. Employing counterflow spray drying, the liquid droplets experience low temperatures during the drying process, ensuring high product quality. Within the spray drying chamber, the droplets move in the same direction as the hot air. Although the hot air is at a higher temperature, the moment it enters the chamber, it immediately contacts the spray liquid droplets, causing a rapid drop in the chamber temperature and preventing the dried material from overheating. This method is suitable for drying heat-sensitive materials. The temperature of the discharged product depends on the exhaust air temperature and is lower than the exhaust air temperature.
3. Colorful large touch screen operation, combining full automatic and manual control, with bilingual panel and parameter LCD display.
4. Simply press the stop button when powering off. The machine will immediately stop running, except for the fan, and the heating section will not be damaged due to incorrect operation (forcefully shutting off the fan).
4. The drying process is completed in an instant, with the product particles maintaining an approximately spherical shape of the droplets. The product boasts excellent dispersibility, fluidity, and solubility.
5. Streamlined production process with easy operation control. Spray drying is commonly used for solvents with a moisture content of 40-60%, and even with special materials where moisture content can reach up to 90%, a powdered product can be produced in one step. Most products require no further crushing or screening after drying, reducing production steps and simplifying the production process, while ensuring product purity. Particle size, precision, and moisture content can be adjusted within a certain range by changing operating conditions, making control and management straightforward.
6. To prevent contamination of materials and extend the lifespan of equipment, all parts in contact with materials are made of 304 stainless steel. For ease of operation, the control system features an integrated operation, with indicator and actuation devices for each component installed in the control cabinet. All stainless steel components are easy to disassemble and clean.
7. Equipped with an oil-free air compressor, the particle size of the powder spray is normally distributed, boasts excellent fluidity, and features ultra-low noise, less than 60 dB, meeting laboratory noise standards (optional centrifugal atomization).
8. The two-fluid spray atomization structure is precision-manufactured from high-quality stainless steel, featuring a compact design, no need for auxiliary equipment, ease of use, and longevity. (Optional centrifugal atomization)
9. Real-time PID temperature control technology with precise temperature regulation, ±1℃ heating and temperature control accuracy.
10. The feed quantity can be freely adjusted via a feed蠕动泵, and a magnetic stirrer is optional.
11. Spray Dryers for sticky materials are equipped with a nozzle cleaner (pin cleaner) that automatically clears clogs in the nozzle. The frequency of the pin can be automatically adjusted.
Technical Parameters
