Cost-Effective Quartz Sand Filter System

The cost-effective quartz sand filter system is a common water treatment equipment, mainly used to filter suspended matter, particulate matter and other impurities in water to achieve the purpose of purifying water quality. It is widely used in drinking water treatment, sewage treatment, industrial circulating water treatment and other fields. Quartz sand filter has the advantages of simple structure, good treatment effect, stable operation and convenient maintenance. It is one of the indispensable equipment in the water treatment process.

 

Components

Quartz sand filter is mainly composed of filter cartridge, filter material, water inlet, water outlet, sewage outlet and other parts. The filter cartridge is usually made of stainless steel or carbon steel material, which has certain corrosion resistance and compressive strength. The filter material is the core part of the quartz sand filter. Natural quartz sand is usually used as the filter material. Its uniform particle size, high hardness, wear resistance and good chemical stability make quartz sand an ideal filter material.

 

Working Principle

The working principle of the quartz sand filter is mainly to use the adsorption and interception of the quartz sand filter material to trap suspended solids, particles and other impurities in the water on the surface of the filter material or in the filter material layer, so as to achieve the purpose of purifying water quality. When water passes through the quartz sand filter material layer, larger particles will be trapped on the surface of the filter material, and smaller particles will be trapped in the filter material layer, so that the effluent water meets the expected water quality requirements.

 

The filtration process of a quartz sand filter can be divided into two stages: first, the initial filtration stage, where the particulate matter in the water is mainly trapped on the surface of the filter material, resulting in a better filtration effect; second, the stable filtration stage, with the extension of the filtration time, the particulate matter in the filter material layer gradually increases, and the filtration effect gradually decreases. At this time, a backwash operation is required to restore the filtration capacity of the filter material layer.

 

Backwashing is an important operation link of a quartz sand filter. Its main purpose is to remove impurities in the filter material layer and restore the filtration capacity of the filter material layer. The backwashing process is usually divided into three steps: first, close the water inlet and open the sewage outlet to make the water in the filter cartridge flow from bottom to top to bring out the impurities in the filter material layer; second, close the sewage outlet and open the water inlet to make the water flow from top to bottom to further clean the filter material layer; finally, close the water inlet and open the sewage outlet to discharge the wastewater generated during the backwashing process. The frequency and time of the backwashing operation need to be adjusted according to the actual situation to ensure the filtration effect.

 

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

 

Application

Quartz sand filters are widely used in multiple industries, specifically including:

1. Agricultural Irrigation : Purify irrigation water by removing suspended solids and impurities, ensuring water safety and thereby improving the growth quality and yield of crops.

2. Chemical Industry : Effectively remove harmful substances and impurities produced during chemical manufacturing, protect the environment, and also recycle some of the water resources.

3. Petroleum Industry : Remove suspended solids, colloidal matter, metal ions, and organic compounds from the water, ensuring the quality of water treatment and thus ensuring the smooth progress of oil production and processing.

In addition to the main applications mentioned above, quartz sand filters are also extensively used in metallurgy, mining, and other industries. These industries generate a considerable amount of wastewater during production, which requires effective treatment through quartz sand filters to meet environmental protection standards.

 

Matters needing attention

1. Regularly check the height and thickness of the filter material layer to ensure that it is in good working condition.

2. Regularly check the sealing performance of the filter cartridge to prevent leakage.

3. Regularly perform backwashing operations to maintain the filtration capacity of the filter material layer.

4. Pay attention to the changes in the effluent quality and adjust the filtration parameters in a timely manner to ensure that the effluent quality meets the expected requirements.

5. For different types of water quality, different grades of quartz sand filter media can be used to improve the filtration effect.

 

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