DF ceramic filter
The ceramic filter operates as a solid-liquid separation device that employs vacuum pressure and the capillary properties of the ceramic filter plate to perform its function. Solid particles within the slurry are captured on the surface of the ceramic plate due to the negative pressure exerted from the internal chamber of the ceramic plate and the external environment. Meanwhile, the liquid component is drawn through the porous surface of the ceramic plate, facilitated by the pressure differential and the hydrophilic characteristics of the ceramic material, thereby achieving the separation of solids from liquids.
It is widely used in mining,ferrous metal,non ferrous metal,rare metal and non-metallic concentrate and tailing discharge also environment protection sewage sludge and waste acid treatment etc.
Low energy usage and operational costs (minimal vacuum loss), reduced moisture levels in the filter cake, and low solid content in the filtrate. Capable of being discharged and reused multiple times.
Highly automated, compact design with minimal space requirements, easy to install and maintain.
| Model | Filter plate / ring | Number of filter discs / block | Installed power/KW | Operating power/KW | Dimensions (L×W×H)/M |
| DF-1 | 1 | 12 | 3.5 | 2 | 1.6×1.4×1.5 |
| DF-4 | 2 | 24 | 7 | 3 | 2.4×2.5×2.1 |
| DF-6 | 3 | 36 | 7 | 6 | 2.4×2.5×2.9 |
| DF-9 | 3 | 36 | 9 | 7 | 2.7×2.9×2.5 |
| DF-12 | 4 | 48 | 11 | 7.5 | 3.0×2.9×2.5 |
| DF-15 | 5 | 60 | 11.5 | 8 | 3.3×3.0×2.5 |
| DF-21 | 7 | 84 | 13.5 | 9 | 4.6×3.0×2.6 |
| DF-24 | 8 | 96 | 16.5 | 10.5 | 4.9×3.0×2.6 |
| DF-27 | 9 | 108 | 17 | 11 | 5.2×3.0×2.6 |
| DF-30 | 10 | 120 | 17.5 | 11.5 | 5.5×3.0×2.6 |
| DF-36 | 12 | 144 | 23 | 16 | 6.6×3.0×2.6 |
| DF-45 | 15 | 180 | 25 | 19 | 7.5×3.0×2.6 |
| DF-60 | 15 | 180 | 33 | 22 | 7.5×3.5×3.0 |
| DF-80 | 20 | 240 | 40 | 24 | 9.0×3.3×3.0 |
| DF-100 | 20 | 240 | 53 | 35 | 11×3.6×3.3 |
| DF-120 | 24 | 288 | 60 | 40 | 12.2×3.6×3.3 |
The filter cake is formed on the surface of the filter plate as it is submerged in the slurry trough, where vacuum pressure facilitates capillary action through the filter plate. The filtrate travels through the internal conduits of the filter plate and is expelled into the discharge tank. The rotor propels the filter plate along with the adhered filter cake into the drying zone, where dewatering occurs under the influence of vacuum. Once the filter cake is sufficiently dried, the rotor advances it to the discharge zone, where the vacuum is absent, and the cake is removed by a ceramic scraper. Post-discharge, the filter plate enters the backwashing zone, where industrial water or compressed air is introduced through the backwashing line to cleanse the internal channels of the ceramic plate from the inside out. Periodically, the ceramic plate undergoes an ultrasonic cleaning process with a dilute acid solution to maintain the filter plate’s operational efficiency.
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