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1、调节过滤器缠丝间距 过滤器是地下水进入井内的通道。缠丝过滤器制作简便、经久耐用、使用效果好、出水率高,利用广泛。但缠丝间距一律定为1.5毫米左右,这有两个缺点:一是缠丝的材料用量大,二是降低了过滤器进水能力。据研究和实践,在砾石
1, adjust the filter wrap interval filter is groundwater into the channel. Wound silk filter making simple, durable, good effect, the water rate is high, the use of a wide range. However, the distance between the wrapping wire should be about 1.5 mm, which has two disadvantages: First, the amount of material wrapped around the wire, and second, reduce the ability of the filter water. According to research and practice in gravel