Nowadays, the environmental protection industry is constantly advancing. Improving the environmental protection measures of the spray dryer to reduce the leakage of dust and exhaust gas will be the direction that the industry needs to study in depth, and it will also become the key factor for the equipment to win in the competition. Next, Pioneer will analyze the atomization technology and control system of the spray dryer for you:
1. Analysis of spray drying and atomization technology:
Atomization (converting the feed into water droplets): The most critical step in the process. The degree of atomization controls the drying rate and therefore the size of the dryer.
The most commonly used atomization techniques are:
1). Pressure nozzle atomization: The spray is made by forcing the fluid through a hole. This is an energy efficient method that also provides the narrowest particle size distribution.
2). Two-fluid nozzle atomization: the spray is fed by the mixed feed of compressed gas. ^Method of saving energy. For the manufacture of very fine particles.
3). Centrifugal atomization: spray or on a rotating disk. ^Resistant to wear and generally lasts longer.
2. The control system must provide flexibility, accurate and repeatable control to achieve the spray dryer and will include the following functions:
Best loop control with anchor point profile programming
Simple parameterization of the recipe management system
Sequential Control Complex Control Strategies
Online data analysis and evidence from system security
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