Multi-Media Filter For Water Treatment

The Multi-Media Filter For Water Treatment represents an efficient water treatment equipment that effectively removes suspended solids, particulate matter, colloids and even some microorganisms in water by combining a variety of filter media. This equipment plays a crucial role in industrial circulating water treatment, drinking water purification, swimming pool water treatment and other fields. Its design is based on the principle of physical adsorption and mechanical barrier, and through the hierarchical setting of the medium layer, it realizes the accurate capture of impurities of different particle sizes, so as to achieve the purpose of water purification.

 

Layered filter media

The heart of the Multi-Media Filter For Water Treatment lies in the carefully configured multi-layer filter media within it. These media typically include, but are not limited to, quartz sand, anthracite, manganese sand, activated carbon, etc., which are arranged in order of particle size from largest to smallest. The uppermost layer generally uses a coarser medium, such as large-grain quartz sand, to capture larger suspended particles; while the lower layer uses a finer medium, such as activated carbon, to remove smaller impurities and organic matter. This design ensures that even small contaminants are difficult to escape layer by layer interception.

 

Physical adsorption and mechanical retention

As water flows through these media layers from top to bottom, the larger particles are first trapped by the coarser medium on the top layer, and then the smaller particles are further captured as they pass through the finer medium on the lower layer. This process involves both direct mechanical blocking and physical adsorption on the surface of the medium. Through this step-by-step filtration, a significant improvement in water quality is ultimately achieved.

 

Parameters

Working pressure	0.05 - 1.0MPa
Working temperature	0 - 40°C
Control mode	Automatic or manual
Filtering speed	8 - 20m/h
Backwash strength	12 - 15 L/s.m2
Filtering layer resistance	>0.05MPa
Backwash duration	4 - 10min
Final turbidity	≤3
Material	Q235 rubber / phenolic epoxy resin / 304, 316L
Dimension	ф173 - ф3800

 

Application field

1. Industrial circulating water treatment

In the industrial production process, circulating water systems often require efficient pretreatment measures to protect subsequent precision equipment, such as reverse osmosis membranes, heat exchangers, etc. Multi-media filters can effectively remove suspended solids in circulating water, reduce turbidity, and ensure the stable operation of the system.

2. Drinking water treatment

The safety requirements for drinking water are extremely high, and multi-media filters can effectively remove impurities, odors, and color in water, improve the taste of water quality, and provide a good foundation for subsequent disinfection treatment.

3. Swimming pool water treatment

Swimming pool water contains a large number of microorganisms, suspended solids, and chemical residues. Multi-media filters can effectively remove these impurities, keep the water clean and transparent, and ensure the health of swimmers.

 

Operation process

1. Pretreatment

Before entering the multi-media filter, the raw water needs to go through preliminary impurity removal, such as through pretreatment steps such as grating and precipitation.

2. Backwashing

Regular backwashing operation is performed to remove impurities attached to the surface of the medium and restore the filtration ability of the medium. Backwashing can be air washing, water washing or a combination of the two.

3. Positive washing

After backwashing, perform positive washing, and rinse off loose impurities with water until the effluent is clear.

4. Operation

After the cleaning is completed, the system is put back into operation and a new filtration cycle begins.

 

Maintenance Points

- Monitor the pressure difference

Continuously monitor the pressure difference between the inlet and outlet of the filter. When the pressure difference reaches the set value, it indicates that the medium is blocked and needs to be backwashed.

- Regular replacement of media

According to the frequency of use and water quality, timely replacement of aging or reduced efficiency filter media.

Prevent biological contamination

Use appropriate disinfectants to regularly disinfect the system to avoid biofilm formation.

- Record and Analysis

Establish detailed operation and maintenance records, analyze water quality changes, and adjust operating parameters in a timely manner.

 

FAQ

1. Q: What is the function of a filter?

A: The main function of a filter is to remove solid particles, impurities, and harmful substances from liquids or gases, in order to achieve purification, clarification, and protection of equipment.

2. Q: How to choose a suitable filter?

A: When choosing a filter, factors such as the properties of the material being filtered (e.g., viscosity, temperature, corrosion), required filtration accuracy, processing capacity, operating pressure and medium, as well as the type, material, size, and installation method of the filter should be considered.

3. Q: What is the working principle of a filter?

A: The working principle of a filter mainly relies on physical screening, deep interception, absorption, or chemical reactions to remove impurities or harmful components from the material being filtered.

4. Q: How to maintain and care for a filter?

A: Maintenance of filters includes regular cleaning or replacement of filter elements, inspection of seals and fasteners, maintaining stable operating pressure, and avoiding overloading. Specific methods should be referenced from the filter's instruction manual and maintenance guides.

5. Q: What is the service life of a filter?

A: The service life of a filter depends on its working environment, processing volume, and filtration accuracy. Generally, when the filter's pressure drop reaches a certain value or the filtration effect decreases significantly, it needs to be replaced or cleaned.

6. Q: What should be paid attention to during filter installation?

A: During filter installation, attention should be paid to the directionality, ensuring that the fluid enters and exits from the correct ports. Also, the piping system should be cleaned before installation, and the filter should be securely fastened and sealed as required by the instructions.

7. Q: What is the replacement cycle for filters?

A: The replacement cycle for filters depends on their working conditions and filtration requirements, and is usually indicated by pressure difference indicators or timers. When the filter's pressure drop reaches the set value or the filtration effect decreases, it should be replaced in a timely manner.

 

Why Choose Us

· Professional manufacturer with many years' experience

· Good quality with competitive price

· OEM & ODM are welcome

· Various payment items are acceptable

· Good service by experienced manager

 

AIDA Philosophy

1. Management Concept:

· Satisfy the customers' demand --- Touch customers, trust with our products and services

· Make employees happy --- Pursue higher material and spiritual happiness

2. Company Mission:

· Focus on customer needs, provide best filtering solution

· To be the lifelong partner with customers

3. Corporate Vision:

· Become a global purification leadership brand

4. Values:

· Customer: Pursue the ultimate experience, enjoy excellent quality

· Team: Trust, responsibility, growth, win-win

· Work: Simple, sincere, efficient, dedicated