spray dryer use
Spray dryer introduction
- Atomization: A spray dryer atomizes liquid feed into fine droplets using high-pressure nozzles, increasing the surface area for rapid evaporation and efficient drying.
- Hot Air Drying: The atomized droplets are exposed to hot air inside the drying chamber, where moisture evaporates, leaving behind dried particles that are collected as powder or granules.
- Controlled Conditions: Spray dryers offer precise control over drying conditions, including air temperature, humidity, and airflow rate, ensuring optimal drying results and product quality.
- Uniform Drying: Spray dryers provide uniform drying across all droplets, resulting in consistent moisture removal and preventing over-drying or under-drying of the product.
- High Efficiency: The continuous process of spray drying, coupled with its high heat and mass transfer rates, ensures rapid drying times, increased production efficiency, and reduced energy consumption compared to other drying methods.
Spray dryer principle
- Atomization: The liquid feed material is atomized into fine droplets using a nozzle or atomizing device, increasing the surface area for efficient drying.
- Hot Air Introduction: Hot air or gas is introduced into the drying chamber, creating a high-temperature environment for rapid evaporation of moisture from the droplets.
- Heat Transfer: Heat transfer occurs as the hot air comes into direct contact with the atomized droplets, causing the moisture to evaporate and leaving behind dried particles.
- Droplet Movement: The droplets move through the drying chamber in a controlled manner, typically in a co-current or counter-current flow with the hot air, ensuring thorough drying.
- Particle Separation: Once dried, the particles are separated from the air stream using cyclones, filters, or other separation devices, collecting the dried powder or granules for further processing or packaging.
- Exhaust of Moist Air: The moisture-laden air or gas is then exhausted from the system, often passing through a condenser to recover heat and reduce energy consumption before being released into the environment.
Spray dryer features
- Rapid Drying: Spray dryers offer rapid drying capabilities, converting liquid feed into dried powder or granules in a matter of seconds, leading to increased production efficiency.
- Preservation of Properties: Spray dryers preserve the properties of the feed material, including flavor, aroma, color, and nutritional value, due to the gentle and quick drying process that minimizes heat exposure.
- Versatility: Spray dryers are versatile and can process a wide range of liquid feed materials, including food ingredients, pharmaceuticals, chemicals, and ceramics, making them suitable for diverse industries and applications.
- Energy Efficiency: Modern spray dryers are designed for energy efficiency, incorporating heat recovery systems and optimized airflow patterns to minimize energy consumption and reduce operational costs.
Application areas
- Industry: chemical,pharmaceutical,food,dehydrated vegetables,grain,mining,etc
- Application: aslemon Acid,chicken essence,borax,ammonium sulfate,radish silk,seeds,salt,silkworm, etc
Technical Parameters
MODEL | EVAPORATION CAPACITY (L/H) | HEATING SOURCE | SPRAY HEAD ROTATION FORM | SPRAY HEAD ROTATION SPEED | DIMENSION |
GRT-LPG5 | 5 | ELECTRICITY | COMPRESSED AIR DRIVE | 25000 RPM | 1.8*0.93*2.2M |
GRT-LPG10 | 10 | ELECTRICITY | COMPRESSED AIR DRIVE | 20000 RPM | 2.0*0.95*2.25M |
GRT-LPG25 | 25 | ELECTRICITY/STEAM/GAS/OIL | MECHANICAL TRANSMISSION | 18000 RPM | 3*2.7*4.26M |
GRT-LPG50 | 50 | ELECTRICITY/STEAM/GAS/OIL | MECHANICAL TRANSMISSION | 18000 RPM | 3.7*3.2*5.1M |
GRT-LPG100 | 100 | ELECTRICITY/STEAM/GAS/OIL | MECHANICAL TRANSMISSION | 18000 RPM | 4.6*4.2*6.0M |
GRT-LPG150 | 150 | ELECTRICITY/STEAM/GAS/OIL | MECHANICAL TRANSMISSION | 15000 RPM | 5.5*4.5*7M |