Efficient Duplex Bag Filter

The efficient duplex bag filter represents an innovative filtration solution designed to meet the needs of continuous operation and avoid disruptions to the production process due to filter maintenance. Its core design is to connect two independent bag filter units in parallel through an intelligent valve control system, enabling seamless switching of the continuous operation of the other filter unit while cleaning or changing the filter bag online.

 

More specifically, the system is usually equipped with two three-way ball valves, which control the fluid switching between the two filter cartridges. When the filter bag in one filter needs to be cleaned or replaced, the operator adjusts the valve to automatically direct the fluid to the other filter that is still working normally, ensuring the continuity and efficiency of production without stopping the production process throughout the process.

 

Structural Characteristics

1. Parallel design. Two bag filter units are installed in parallel, each unit contains a stainless steel filter, a filter support basket, and a bleed valve. The bleed valve at the top is used to remove air from the initial filtration system to ensure that no air bubbles interfere with the filtration process.

2. Intelligent valve system. Through a precisely designed valve system, the filter fluid can be switched between the two filter units flexibly, which is the core of non-stop operation.

3. Replaceable filter bags. High-quality filter bags are used inside, and filter bags of different materials and precision can be selected according to actual filtration needs, which is convenient for customization according to different working conditions.

4. Stable stand. Two filter units are assembled on a stable stand to ensure the stability and durability of the equipment during operation.

5. Monitoring and Control. Some advanced models are also equipped with pressure gauges, differential pressure switches, or automatic control systems to monitor the filtration status in real time and automatically trigger cleaning or switching operations.

 

Application Field

1. Industrial water treatment. Suitable for the purification of various industrial circulating water systems, such as steel, petroleum, chemical, paper, automobile, food, metallurgy and other industries.

2. Drinking water treatment. Primary filtration of domestic water supply and production process water supply to ensure water quality safety.

3. Pretreatment process. Pretreatment and filtration before advanced water treatment processes such as ultrafiltration, reverse osmosis, softening, ion exchange, and EDI desalination.

4. Environmental protection and reuse. Reclaimed water reuse, advanced wastewater treatment, and filtration of oilfield reinjection and circulating cooling water to promote sustainable use of water resources.

5. Special purpose. Water purification of urban landscape water, fountains, swimming pools, green space irrigation, agricultural sprinkler irrigation, drip irrigation systems.

 

Advantages

1. Continuous operation. The most significant advantage is the ability to maintain the filter without interrupting production, which greatly improves production efficiency and equipment utilization.

2. High flexibility. The filter bag material and accuracy can be selected according to actual needs to adapt to different filtration needs, and it is easy to replace, making it easy to quickly adjust the filtration level.

3. Easy to maintain. Thanks to the parallel design, the maintenance of a single filter unit can be carried out while another unit continues to work, reducing maintenance costs and complexity.

4. Improve water quality. effectively remove suspended matter and particulate matter in water, improve water quality, protect subsequent treatment equipment, and prolong the service life of the system.

5. Widely applicable. Widely used in a variety of industries, it demonstrates high adaptability and versatility, and is one of the indispensable water treatment equipment in modern industry.

 

Parameters

Material	Stainless steel or carbon steel
Filtration areas	5.0 m2, 10 m2, 15 m2, 20 m2, 25 m2, 30 m2, 40 m2
Filtration accuracy	0.3, 0.5, 1.5, 10, 15, 25, 50, 100, 200, 300, 400 μm
Design pressure	0.6 Mpa
Flow rate	1 ~ 200 m3/h
Working temperature	5 ~ 80°C
Connections	Flange
Control way	Differential Pressure / PLC Timer / Manual
Rated operating voltage	3PH 380V 50Hz

 

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