2 Demi Star is a collision-type separation device that aims to collect and remove impurities contained in gases, such as droplets, micromists, and dust of solid particles due to droplets, etc., by special metal wires. The collection function by Demi Star generally depends on the following action. １．Inertial collision 2. diffusion due to the brown motion of particles 3. blocking 4. gravity precipitation 5. static electricity deposition or adsorption 6. Heat deposition or adsorption The mist is collected and removed with high efficiency by these comprehensive action. However, 4. 5． 6． The action is usually ignorable except in very small and special cases. Therefore, the collection function is mainly 1. 2． 3． It is considered to be a syntax. If the mist diameter and airflow velocity are both large, inertial collisions are likely to be dominant, and if both are small, diffusion is dominant, and blocking will be effective in the intermediate region of both. If you explain the collection effect in the figure, it will be as follows. Fluid 1. Gas generated in the gas 2. In addition to liquid particles, climb up the tower 3. Demi Star 5. It collides with the line. The liquid particles contained at that time collide with the surface of the line, and gradually fall as large droplets 4. due to the "wet" of the line and the surface tension of the liquid and the capillary phenomenon. Gas separated from liquid particles 6. passes through without the interference of Demi Stars. １．Fluid 2. rising gas 3. Air current containing liquid particles 4. Drop droplets falling 5. Demi Star 6. Pure Gas Demister action
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