1) strainer pasted gravel
贴砾滤水管
1.
Technique of repairing well using U-PVC strainer pasted gravel;
U-PVC贴砾滤水管井中二次成井技术
2) pipe adhering gravel
贴砾管
1.
Comparison of percolation performance between the pipe adhering gravel and the filler made of adhering gravel pipe with filling gravel;
贴砾管与贴砾管填砾滤水器滤水性能比较
3) gravel-pasted filter
贴砾过滤器
1.
At present, the gravel-pasted filter are widely used in the water supply, precipitation, drainage, hydrological observation, geothermal mining and the repair of sand gushing tube-wells, which fully demonstrates the superiority of it, However,it\'s not used in filter water projects of surface water.
贴砾过滤器通常作为中小型规模地下管井取水工程的滤头,且具有质量轻、运输方便、机械化程度高、不易腐蚀的特点,经其过滤的水质也基本能满足饮用水标准。
4) gravel-packed liner
砾石滤管
5) gravel filtering
砾石滤水
6) porcelain granule pre-coated well screen
陶粒贴砾过滤器
1.
According to the difficulties of water well repairing and gravel-filling for horizontal well,porcelain granule pre-coated well screen was developed based on a lot of laboratory tests.
针对水井修井和水平井成井填砾困难的特点,通过大量室内试验,研制了陶粒贴砾过滤器。
补充资料：多层滤料滤池
分子式：
CAS号：
性质：一种下流式重力深床滤池。一般采用3种滤料，上层为无烟煤(粒径1～2mm)，中层为砂(粒径0.4～0.8mm)，底层为石榴石(粒径<0.5mm)。过滤速度为10m/h，反冲强度为48～72m/h。在对生物处理后的出水进行过滤时，需采取某种形式的辅助冲洗措施。
CAS号：
性质：一种下流式重力深床滤池。一般采用3种滤料，上层为无烟煤(粒径1～2mm)，中层为砂(粒径0.4～0.8mm)，底层为石榴石(粒径<0.5mm)。过滤速度为10m/h，反冲强度为48～72m/h。在对生物处理后的出水进行过滤时，需采取某种形式的辅助冲洗措施。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条