Fine Filter

Fine filterOverview：For achieving the membrane separation technology of advanced fine processing on sewage, the filtration technology of fine filter (titanium metal film) uses titanium metal film as medium, aperture screening as main method for removing pollutants, transmembrane pressure as driving force, mechanical screening as solid-liquid separation principle.Operating principle: The coming water flows into the primary filer by the lift pump in filtering, and the sewage, after going through the titanium metal filter element with oil drops and suspended particles being removed, flows into the secondary filter; the unique cross-flow structure is adopted in the secondary filter that the concentrated water flows back to the primary filter for retreatment and the purified water flows into water buffer tank or is discharged directly. In backwash, the purified water is automatically fed to backwash tank, and the primary membrane tube is washed by the backwash pump (washing from inside to outside) to cause the oscillation effect that would enhance the backwash strength. After the backwash, nothing happens on characters of titanium metal filter membrane. Wash and backwash is adopted in the secondary filter. Sewage from backwash is discharged to the sewage pool (tank) by special discharge pipes for backwash.Scope of Application: The equipment which is widely used in industries such as pharmacy, chemical industry, food, beverage, water treatment, brewing, petroleum, printing and dyeing and environmental protection is the ideal equipment for filtering, defecating and purifying all kinds of liquid.Technical parameters:IndexPetroleum ppmSuspended Particles ppmMedian Diameter μmRemarksOutlet water standard511A1 Water quality standardInlet water upper limit1010Filter element precisionMaximum removal rate %5090Outlet water standard621.5A2 Water quality standardInlet water upper limit2020Filter element precisionPrimary 5μmSecondary 0.2μmMaximum removal rate %7090Specifications and Models: ModelParameterDHDL-300DHDL-500DHDL-800DHDL-1000DHDL-1500Filtering water yield (m3/h)5-88-1212-1820-2626-32Suspended particles before filtering(turbidity)≤20mg/L(FTU)Suspended particles after filtering(turbidity)≤1.50mg/L(FTU)Removal Rate90%Filtration resistance lossThe initial pressure loss is about 0.02MPa; and the water pressure difference of in and out during filtering failure is 0.05-0.10MPa.Working pressure0.15~0.25MPaWorking temperature ℃5~40 (custom-made for special）Cleaning water pressure0.22MPaCleaning air pressure0.05-0.1MPa