The development of spray drying should follow the path of environmental protection. In the development of equipment, we must pay attention to the comprehensive utilization of talents and energy conservation, and ensure the automatic control skills and operating conditions of the spray dryer. As environmental protection is paid more and more attention, it is inevitable to improve boring equipment in terms of environmental protection.
Its management within the industry is mainly based on the different needs of different industries, so it is difficult to complete the results of joint development during development. As boredom skills improve, they continue to develop boredom skills. As for boring equipment, it can be better used by people throughout the development process.
The hot air temperature should not be too high, because if it is too high, it will have adverse effects, such as deteriorating the quality of the finished product after drying. Therefore, if you want to add temperature, you must first ensure that the product quality is guaranteed, and then add it appropriately.


Hot air temperature mainly affects the bulk density of dried products and the transpiration intensity of the drying chamber. If the food is dry, the temperature should not be higher than 177°C to avoid hollow particles. However, if the heat-sensitive material is right or wrong, high-temperature hot air should be selected as much as possible to enhance the transpiration intensity.


Drop Atomization:
1. Pressure atomizer: The solution flows out from the nozzle, and the droplets are distributed among the droplets. The reason for this phenomenon is the formation of surface tension, which forms unstable cylindrical droplets. Since the diameter of the liquid active is smaller than the average, a liquid film forms in this direction. Since the surface tension of the film is greater than the thickness of the film, the liquid will transfer to the thinner area, become a long line, and then distribute the droplets.
2. Rotary atomizer: The viscosity and surface tension of the solution affect the atomization process. After the droplets are formed, they are thrown from the edge of the disk.
3. Pneumatic atomizer: low gas-liquid velocity.


Filament Atomization:
1. Pressurized atomizer: When the solution is gradually added, the liquid column will oscillate in a horizontal, slow, and straight direction. A solution to the spiral oscillation of the filament. Many small droplets are rapidly distributed at the end of the filament.
2. Rotary atomizer: The wheel speed and feed solution speed are high, and the material is pulled into many hemispherical liquid filaments. Add the liquid volume and liquid line volume. When it is saturated, the liquid filaments become thicker but remain stable in number. Liquid lines tend to break into small droplets.
3. Pneumatic atomizer: When the wind speed is high, the friction of the liquid saw is very high. One end of the liquid column is fixed, and the other end is stretched into a long and thin line. Small water droplets form after cracking.