| 摘要 |
The present invention relates to a screen for a tube well. An inner wedge screen (19) and an outer wedge screen (20) are concentrically installed inside a pipe (300), a space part is formed between the inner wedge screen (19) and the outer wedge screen (20), and a filter material (30) is inserted into the space part. As such, the present invention has an effect of obtaining a clean surface water by filtering an inflow of a clay or a silt component. |
