FIELD: water and air purification technology.
SUBSTANCE: invention relates to liquid purification plants by filtration through bulk materials, namely collector-beam drainage and distribution systems. Drainage-distributing device of the water-preparation filter consists of a collector and distribution pipes, hermetically connected to the collector on one side and plugged from the opposite side, characterized in that in the distribution pipe through the upper generatrix there are nozzles with apertures and slits for uniform distribution of air along the entire length of the pipe, from the top, the nozzles are hermetically sealed with a groove with slotted holes, the width of the slits being smaller than the minimum fraction of the filter material used.
EFFECT: higher reliability of installation.
1 cl, 8 dwg
| Title | Year | Author | Number |
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|
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RU2491978C1 |
| WATER FILTER | 2009 |
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