FIELD: industrial purification of water. SUBSTANCE: proposed filter has housing equipped with supply and discharge pipe lines, granular medium and flushing system; filter consists of at least two sections connected in series where granular medium and filter elements are arranged. Filter elements are made in form of screen cones whose vertices are directed towards moving flow of starting water; size of mesh of each subsequent cone is lesser than simplified and low-cost method of manufacture of filter; enhanced durability. 14 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FILTER FOR WATER PURIFICATION | 1992 |
|
RU2064811C1 |
| DRINKING WATER PRODUCTION PROCESS | 2001 |
|
RU2206523C1 |
| WATER TREATMENT PLANT | 0 |
|
SU1813491A1 |
| FILTER FOR CLEANING WATER | 1991 |
|
RU2048161C1 |
| FILTER FOR WATER PURIFICATION | 2003 |
|
RU2225243C1 |
| SELF-CLEANING PRESSURE FILTER | 2000 |
|
RU2181614C1 |
| APPARATUS FOR WATER TREATMENT (ALTERNATIVES) | 1995 |
|
RU2102339C1 |
| SMALL-SIZE AUTOMATIC WATER-PURIFICATION PLANT | 1993 |
|
RU2079334C1 |
| FILTER FOR WATER PURIFICATION | 0 |
|
SU1058578A1 |
| WATER FILTER | 0 |
|
SU1816477A1 |
