Agricultural Irrigation Automatic Backwash Disc Filter For River Water
Backwash Disc Filter principle
The water flows through the screen and the particles are retained on the inside of the screen of the filter element. The filtered water then flows out through the outlet.
Self-cleaning mode can be started by pressing, timing or manual three ways, following the principle of pressure difference.
When the internal and external pressure difference reaches the set value, the self-cleaning mode starts.Drain pipe hydraulic valve open, sucking the scanner to produce negative pressure suction nozzle inside, absorbing impurities, at the same time sucking scanner in under hydraulic motor along the inside surface mesh do reciprocating screw, movement, no cleaning blind area, impurities by the discharge outlet.
The cleaning time of self-cleaning filter is set by the controller in advance, the drain valve is closed after cleaning, and little water loss in cleaning process.
Backwash Disc Filter Application
Industry (cooling water, nozzle protection, sewage tertiary treatment, municipal water reuse, workshop water, RO system, pickling, paper white water, injection molding machine, pasteurization system, vacuum pump system, air compressor system, continuous casting system) , cooling and heating system, etc.)
Backwash Disc Filter structure
Backwash Disc Filter Parameters
| Items | Materials |
| Disc filter modules | Nylon |
| Pipeline | Carbon steel/HDPE /Stainless steel |
| Pressure gage | Stainless steel |
| Auto backwash valve | Nylon/stainless steel |
| Electromagnetic valve | Brass/nylon |
| Air valve | Plastic |
| Controller cover | Plastic/Stainless steel |
Design and selection of models
| Models | Inlet/outlet dia. | Flow rate(m3/h) | Filtration precision |
| DLLF-2-2 | 3 inch/80mm | ≤30 | 120 mesh/130μm |
| DLLF-2-3 | 4 inch/100mm | 45 | 120 mesh/130μm |
| DLLF-4-4 | 8 inch/200mm | 210 | 120 mesh/130μm |
| DLLF-4-5 | 8 inch/200mm | 294 | 120 mesh/130μm |
| DLLF-4-6 | 10 inch/250mm | 352 | 120 mesh/130μm |
Company Information
In 2002: Dawning Environmental Protection Technology Co., Ltd. was founded , which is a emerging technology company specialized in environmental water treatment.The main products include water filtration, water descaling antiscale,water heating for industrial and irrigation.
In 2010: The first patent awarded.
In 2014: We builded our own factory covering an area of 13000 square which is domestic largest water filter production base.
In 2015: Hunan Dawning Filter System Tech. CO., Ltd(CDFS) founded as subsidinary for foreign trade.
In 2016: Quotation System available
In 2017.1: Intergrated filtration system testing platform builded.
In 2017.3: Introducing automatic surface treatment equipment
In 2017.8. Expanding factory area to short lead time for customers.
In 2018.7. Building automatic production line(welding,coating)for sand filter
More developing......
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