发明名称 |
Water purifying sand filter |
摘要 |
The sand filling is located between vertical water-permeable limit walls of a drain chamber. The channels supplying water to be filtered are arranged outside the filter while the drain chamber collecting the filtered water is located inside the filter. The filter walls are water-permeable all over their height, the collecting ring for drawing off water is mounted in the lower part. |
申请公布号 |
DE1932221(A1) |
申请公布日期 |
1971.01.07 |
申请号 |
DE19691932221 |
申请日期 |
1969.06.25 |
申请人 |
TREST MOSOCISTVOD UPRAVLENIJA VODOPROVODNOKANALIZACIONNOGO CHOZJAJSTVA |
发明人 |
I. BYKOV,SERGEJ |
分类号 |
B01D24/00;B01D33/00;B01D41/00 |
主分类号 |
B01D24/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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