| 摘要 |
<p>A small dripping pipe (1) comprises multiple annular concave grooves or convex grooves (5) or obstructing sheets (4) machined on the wall of the pipe and small holes (3) which are drilled on the wall of the pipe and communicated with the interior of the pipe. The small holes (3) are arranged within the concave grooves or convex grooves (5), or on the wall of the pipe outside the concave grooves or convex grooves (5) or obstructing sheets (4). The concave grooves or convex grooves (5) or obstructing sheets (4) may be incomplete ring-shaped or spirally coiled on the pipe, too. The small dripping pipe (1) can eliminate surface tension among droplets to prevent deviation of the droplets, thus the droplets are ensured to be dripped uniformly at an equal distance.</p> |
