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Help CenterDouble Bag Filtration, Bag Filter, Stainless Steel Bag Filter Model Ydf - Bn2 - 304 - F50
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The high-pressure bag filter is a filtration device widely used in the industrial field. The following will provide a detailed introduction from aspects such as its working principle, structural composition, features, and application scenarios.
Working Principle
The high-pressure bag filter adopts a pressure-type working principle. The filtrate flows into the filter bag from the side inlet pipe of the filter housing. The filter bag itself is installed in a reinforced mesh basket. Under the action of pressure, the liquid penetrates through the filter bag with the required fineness level, thereby intercepting impurities and obtaining qualified filtrate. When the pressure difference reaches a certain value (usually 0.05 - 0.1MPa), the filter bag needs to be replaced to ensure the stability of the filtration effect.
Structural Composition
The high-pressure bag filter is mainly composed of a filter cylinder, a cylinder cover, a quick-opening mechanism, and a stainless-steel filter bag reinforcement mesh. The filter cylinder is the main part that holds the filter bag and the filtrate. Its material is usually selected from CS carbon steel or 304/316 stainless steel. These materials have good corrosion resistance and can be applied to different working environments such as acid-base liquids and high temperatures. The cylinder cover cooperates with the filter cylinder and can be quickly opened and closed through the quick-opening mechanism, which facilitates the replacement of the filter bag. The stainless-steel filter bag reinforcement mesh supports the filter bag, ensuring that the filter bag can work normally under high-pressure environments and preventing the filter bag from rupturing.
Features
High Filtration Precision
The filtration precision of the filter bag is continuously improving. Currently, it can reach 0.5μm, which can effectively intercept tiny impurity particles and ensure the high quality of the filtrate.
Large Processing Capacity
This filter has a large processing capacity, small volume, and large dirt-holding capacity. It is available in various types such as single-bag, multi-bag (2 - 24 bags), and sandwich types, which can meet the industrial production needs of different flow rates and filtration requirements. For example, some large industrial production lines may choose the multi-bag high-pressure bag filter to achieve continuous filtration of large flow rates.
Convenient Replacement
Based on its unique structural design, the filter bag can be replaced conveniently and quickly. The filter bag interface is designed with, for example, a quick clamp. No tools are required when replacing the filter bag, and a single person can complete the replacement in a short time, greatly improving the operation and maintenance efficiency. Moreover, the filter is basically free of cleaning, saving labor and time.
Good Sealing Performance
The sealing design can effectively reduce the risk of side leakage. By using methods such as a stepped sealing structure combined with food-grade sealing parts, it can ensure no leakage under relatively high working pressures (such as 0.1 - 1.0MPa), effectively guaranteeing the filtration quality.
Energy-saving and High-efficiency
It can bear greater working pressure, with small pressure loss, low operating costs, and obvious energy-saving effects. Some filter bags can be reused after cleaning, further saving costs.
Strong Applicability
It has a wide range of applications and is suitable for various solid - liquid filtration scenarios. It is flexible to use and has diverse installation methods. Different industries can select appropriate models and materials according to their own needs.
Technical Parameters
The technical parameters of high - pressure bag filters vary by model. For example, in terms of filtration area, different models range from 0.25m² to 12m²; the inlet diameters have various specifications such as Φ40mm, Φ80mm, Φ150mm; when the viscosity is 1cm, the flow rate can range from 18m³/h to 840m³/h; the working pressure can generally reach 0.45MPa or even higher. The working temperature is related to the material of the filter bag (stainless steel filter screen) and can reach 150℃; there are also multiple options for the nominal filtration accuracy, such as 1μm, 5μm, 10μm, etc.
Application Scenarios
Petrochemical Industry
It can be used to filter lubricating oil, petroleum products, etc., such as separating benzene polymers, recovering catalysts, and filtering catalytic oil slurry. Since this industry has high requirements for oil quality and complex working conditions, the high precision and high sealing performance of high - pressure bag filters can meet its filtration needs.
Food and Beverage Industry
In this industry, it can be used for carbon - intercepting sugar inks and filter aids, edible oil filtration, etc. For the production of food and beverages, the requirements for filtration accuracy and hygiene are extremely high. The high - quality materials and high - precision filtration of high - pressure bag filters can ensure the quality and safety of products.
Pharmaceutical Industry
In the pharmaceutical production process, it involves the filtration of various medicinal liquids. The high precision and good sealing performance of high - pressure bag filters can effectively remove impurities, ensure the purity and quality of medicinal liquids, and meet the pharmaceutical - grade production standards.
Other Industries
It is also widely used in industries such as paint, electroplating, electronics, papermaking, and high - pressure cleaning. For example, in the paint industry, it is used for electrophoretic paint filtration, ultra - filtration protection filtration, etc.; in the electroplating industry, it is used for the filtration of electroplating solutions, etc.
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