Description
The working principle of the inclined – tube sedimentation equipment is based on the shallow – layer sedimentation theory. In traditional sedimentation equipment, particle sedimentation requires a large sedimentation area and a long sedimentation time. However, the inclined – tube sedimentation equipment is equipped with many inclined parallel tubes or honey – comb – shaped inclined – tube components in the sedimentation tank. The inner diameter or inscribed – circle diameter of these inclined tubes is usually between 25 – 60 millimeters, and the inclination angle is generally 60°.
When the water flow containing suspended particles enters the inclined – tube sedimentation equipment, inside the inclined tubes, the particles slide down along the inner wall of the inclined tubes and settle due to gravity, while the clear water flows upward in the inclined tubes, achieving rapid solid – liquid separation. Due to the presence of the inclined tubes, the sedimentation area is increased, which greatly improves the sedimentation efficiency.
According to the shallow – layer sedimentation theory, after adding inclined tubes to the sedimentation tank, the sedimentation efficiency has nothing to do with the length of the inclined tubes, but only with the sedimentation area. Under the same volume, the sedimentation area of the inclined – tube sedimentation equipment is much larger than that of an ordinary sedimentation tank, so it can achieve high – efficiency sedimentation in a relatively short time.
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