Three-Dimensional-Filtration Sand Filter

The three-dimensional-filtration sand filter , a kind of equipment with natural quartz sand as the main filter medium, has been widely used in the field of water treatment because of its high efficiency, simplicity and economy. It is an effective means to achieve water purification by forming a sand bed with a certain thickness to intercept and remove suspended substances, organic impurities and inorganic impurities in water.

 

Working principle

Three-dimensional filtration is the core mechanism of the sand filter. When the water flow passes through the sand bed from top to bottom, due to the uniformity of the particle size of the quartz sand, the water flow is forced to change direction during the process of passing through the sand layer. This continuous refraction and bending increases the chance of contact with the sand, thereby improving the filtration efficiency.

 

Medium characteristics

1. Homogeneous particle size. Ensure uniform distribution of water flow, prevent channel effects, and improve filtration efficiency.

2. Physical stability. Anti-corrosive, not easily degraded by microorganisms, ensuring long-term stable operation.

3. Chemical inertness. Does not react with chemicals in filtered water, maintaining stable water quality.

 

Design points

1. Medium size. A key factor in determining filtration accuracy. A fine filter media can capture smaller particles, but at the same time increase water resistance.

2. Filtration rate. The speed at which water flows through the filter material per unit time, which affects the treatment capacity and filtration effect.

3. Sand thickness. A thicker sand bed can provide greater dirt interception capacity, but it also increases the pressure loss of the system.

 

Advantage analysis

1. Efficient interception. The three-dimensional filtration structure gives the sand filter a strong ability to intercept dirt.

2. Continuous water supply. It can provide water without interruption to meet the needs of continuous production or irrigation.

3. Easy to maintain. Cleaning and replacing the filter material is simple and convenient, and the maintenance cost is low.

4. Wide application. It is suitable for a variety of water quality conditions and different types of water treatment scenarios.

 

Parameters

Working pressure	0.05 ~ 1.0 MPa
Working temperature	0 ~ 40°C
Flow	0.5 m3/h ~ 140 m3/h
Control mode	Automatic or manual
Dimension	ф173 ~ ф3800
Filtering speed	8 ~ 20 m/h
Material	Q235 rubber / phenolic epoxy resin / 304, 316L
Backwash strength	12 ~ 15 L/s. m2
Filtering layer resistance	>0.05 MPa
Backwash duration	4 ~ 10 min
Final turbidity	≤3

 

Application field

1. Agricultural micro-irrigation. Used to remove suspended matter from irrigation water, prevent clogging of drippers, and ensure the normal operation of the irrigation system.

2. Pool purification. Remove impurities from the circulating water of the swimming pool to keep the water clean and transparent.

3. Industrial circulation. In industrial production, it is used for the pretreatment of circulating systems such as cooling water and process water.

4. Domestic water. Initial filtration of domestic or community water to improve water quality.

 

Operation and maintenance

Proper operation and maintenance of the sand filter is key to ensuring their long-term effective operation. This includes regular backwashing to remove accumulated impurities, checking if the filter media needs to be replaced, and monitoring the filtration pressure to ensure the system is functioning properly.

 

Future Outlook

With the continuous advancement of technology and the improvement of environmental protection requirements, the design of the sand filter will be more refined, and the choice of materials will be more diverse. At the same time, the application of intelligent management and remote monitoring systems will make the operation of sand filters more convenient and maintenance more efficient.

 

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