High Filtration Efficiency Quartz Sand Filter

The high filtration efficiency quartz sand filter is structurally composed of several integral parts. At its core lies the filter bed, which consists of carefully graded layers of high-purity quartz sand. This medium is selected due to its exceptional chemical inertness, hardness, and porosity, ensuring optimal filtration performance and durability. The sand layers vary in particle size, with larger grains at the bottom supporting finer ones above, creating a gradient that effectively traps impurities as water flows through the filter. The filter vessel itself is made of robust stainless steel, designed to withstand pressure fluctuations and corrosion.

 

Filtration Mechanism

The operational principle of the high filtration efficiency quartz sand filter revolves around the process of depth filtration. As contaminated water enters the filter from the top, it percolates downward through the layered sand bed. Suspended solids, organic matter, microorganisms, and other impurities encounter a progressively finer filtration matrix, becoming trapped either by mechanical interception, where particles are physically blocked by sand grains, or by adsorption, where substances adhere to the sand surface.

 

Simultaneously, the negatively charged surfaces of quartz sand particles attract and retain positively charged ions, such as those of metals and certain organic compounds, further enhancing the filter's removal capabilities. The combined effect of these mechanisms results in significantly reduced turbidity, improved clarity, and the elimination of numerous contaminants that could otherwise compromise water quality and safety.

 

Product 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

 

Key Features and Advantages

1. High Removal Efficiency

The high filtration efficiency quartz sand filters excel in their ability to remove a broad spectrum of impurities, including particulate matter, colloids, bacteria, viruses, and dissolved substances like iron, manganese, and chlorine. Their multi-layered design ensures a high degree of retention, with fine particles captured in the upper layers and larger ones retained deeper within the bed. This results in consistently low effluent turbidity and compliance with stringent water quality standards.

2. Versatility and Customization

The high filtration efficiency quartz sand filters can be tailored to suit diverse water treatment needs, ranging from municipal drinking water treatment to industrial wastewater purification, swimming pool filtration, and agricultural irrigation. The sand grading, bed depth, and overall system configuration can be adjusted according to specific contaminant profiles and flow requirements, ensuring optimal performance in each application.

3. Cost-effectiveness and Low Maintenance

Quartz sand filters offer a cost-effective solution compared to many advanced filtration technologies due to their relatively simple design, widespread availability of raw materials, and low energy consumption during normal operation. Moreover, they require minimal maintenance, with routine backwashing being the primary upkeep task. This process involves reversing the flow direction to lift and agitate the sand bed, dislodging accumulated contaminants and flushing them out of the system. Periodic sand replacement may also be necessary, depending on usage and local water conditions.

4. Environmental Sustainability

Utilizing natural quartz sand as the filtration medium contributes to the eco-friendliness of these filters. Quartz is abundant and non-toxic, and its long service life reduces waste generation. Furthermore, the energy-efficient filtration process and potential for regenerating spent sand through specialized washing methods make Quartz Sand Filters an environmentally sustainable choice in water treatment.

 

Applications and Integration into Water Treatment Systems

1. Drinking Water Treatment

In municipal and residential settings, quartz sand filters serve as a crucial stage in the treatment train, often following coagulation, flocculation, and sedimentation processes. They effectively polish the water, removing residual suspended solids and reducing disinfection byproducts, thereby ensuring potable water quality that meets regulatory guidelines.

2. Industrial Wastewater Treatment

In industrial contexts, quartz sand filters help treat process water and wastewater, removing contaminants that could interfere with production processes or cause environmental harm upon discharge. They can be employed as standalone units or integrated into more comprehensive treatment systems, such as reverse osmosis (RO) or ultrafiltration (UF) systems, where they act as pre-treatment stages to protect the delicate membranes from fouling.

3. Aquatic Environments and Agriculture

Quartz sand filters find applications in maintaining clean water for swimming pools, aquariums, and hydroponics systems, as well as for purifying irrigation water in agriculture. Their ability to reduce turbidity, eliminate pathogens, and remove excess nutrients or minerals is critical for maintaining healthy aquatic ecosystems and promoting crop growth without contamination.

 

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