Stainless Steel Multi Screen Automatic Bachwash Water Filter

Design Features of the Multi-Core Self-Cleaning Filter
1. The filter uses an internal mechanical structure to enable true backwashing functionality. It thoroughly cleans impurities on the screen, ensuring no dead angles and no flux loss, which guarantees high filtration efficiency and long service life.
2. The filter is equipped with wedge-shaped screens made from 304 or 316L stainless steel, offering high strength, precision, and corrosion resistance. The filtration accuracy is up to 25 microns.
3. With few wearing parts and no consumables, the maintenance cost is low, and operation is simple.
4. The control system is highly responsive and precise, allowing flexible adjustment of backwashing pressure difference and time based on different water sources and filtration requirements.

Introduction 

The self-cleaning filter features metal filter cartridges inside. When the filter elements become clogged, a specially designed backwashing arm cleans each element individually. During filtering, water enters the element from both ends. During backwashing, the top end partially opens while water is flushed out from the bottom end.

This self-cleaning filter has a large filter area, high flow rate, compact structure, and high reliability, making it ideal for high-flow and dirty water filtration applications. The XF series includes two sub-series: M Series for low flow rates or filtration above 300 μm, and S Series for filtration below 300 μm. Single filter flow ranges from 5 to 3000 m³/h, with inlet and outlet nozzles ranging from 2" to 24".

The self-cleaning filter effectively removes solid particles from water and low-viscosity liquids (such as metalworking coolants). XF Filters ensure the fluid meets cleanliness standards and protects downstream equipment from clogging, abrasion, and fouling. This increases the efficiency and lifespan of key equipment. The XF Series self-cleaning filters operate automatically and continuously online, reducing downtime, maintenance, and labor costs. It is an ideal solution for self-cleaning filtration of water and low-viscosity liquids.

Working Principle

[ Filtering ] Liquid flows into the filter via the inlet. Part of the liquid flows directly through the filter elements from the lower ends. Another part flows through the distribution pipe into the upper part of the filter and then into the filter elements from both the upper and lower ends. After passing through the internal surface of the filter element, the liquid exits through the outlet. Impurities are trapped by the elements, and a filter cake gradually builds up, causing a gradual increase in the pressure drop between the inlet and outlet. This indicates that the filter cake has reached a certain thickness, and the flow rate of the filter element decreases.

[ Back-flushing ] When the preset pressure drop or time limit is exceeded, the self-cleaning cycle begins. A gear motor drives the cleaning arm to align with one filter element, partially covering the top end and connecting the lower end to the cleaning nozzle. Then, the cleaning valve opens, connecting the element to the discharge pipe. The differential pressure between the outside of the element and the discharge nozzle causes the filtrate to backwash the filter element, dislodging the filter cake and purging it downward into the sewage pipe. Once the element is cleaned, the cleaning valve closes, and the cleaning arm moves to the next element. When all elements are cleaned, the entire backwashing sequence is complete.

FAQ:
 
01. What is the capacity (m³/hour) you require for this equipment?
02. What is the material for this filter? Carbon steel or stainless steel (SS304/SS316)?
03. What is the filtration degree? 10 micron or 200 micron?
04. What is the power supply in your country? 220V/60Hz or other?

Our Services:

We provide 24 hours online customer service.

Any inquiry about water treatment systems, please feel free to contact me for further details!

Contact Information:
Mobile: +86 13585066069
Alibaba Website: http://yldwater.en.made-in-china.com
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Guarantee Period: 1 Year
After-Sales Service: 800-827-87-226

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