Key parameters for selecting bag dust collectors - a must see guide for foreign trade procurement
Dec 13,2025
When purchasing bag filters for foreign trade, the precise matching of selection parameters directly affects the equipment's operating efficiency, compliance, and usage costs. Unlike domestic sales, which require additional consideration of environmental standards and transportation restrictions in the target market, the following core parameters need to be given special attention.
1、 Basic parameters of working conditions: adaptability of anchoring equipment
1. Handling air volume: It is necessary to calculate based on the maximum air volume under actual working conditions, which should be increased by 10% -20%. At the same time, consideration should be given to equipment size limitations in foreign trade transportation to avoid excessive emissions caused by insufficient air volume. For example, in the chemical industry, dust treatment requires precise statistics of the hourly exhaust emissions from production lines.
2. Inlet dust concentration: For high concentration (>50g/m ³) working conditions, a pre dust removal device such as a cyclone separator is required to reduce the load on the filter bag. When purchasing for foreign trade, it is necessary to clearly inform the manufacturer of the dust composition to avoid corrosion of the filter material.
3. Gas temperature: This is the core basis for selecting filter materials. For example, fiberglass filter media can withstand temperatures up to 260 ℃, while PTFE filter media can withstand temperatures up to 200 ℃. It is necessary to consider the maximum temperature and fluctuation range of the operating conditions, as well as the insulation requirements of the target market in low-temperature environments.
2、 Core parameters of filter media: determine the filtration effect and lifespan
1. Filter material: Select based on gas corrosiveness and humidity - PTFE is preferred for acidic conditions, and membrane filter material can be selected for high temperature and high humidity. Foreign trade procurement needs to confirm whether the material meets the environmental certification requirements such as RoHS in the target market.
2. Filtration accuracy: It is necessary to match the dust emission limit of the target market. If some industries in the European Union require ≤ 10mg/m ³, the filter material corresponding to the filtration accuracy should be selected to avoid environmental penalties in the later stage.
3. Weight and thickness of filter material: The weight of conventional industrial filter material is 300-600g/㎡. The higher the weight, the stronger the wear resistance, but the resistance will also increase, which needs to be comprehensively considered in conjunction with the fan power.
3、 Structure and operating parameters: balancing efficiency and practicality
1. Cleaning method: Pulse jet cleaning has the highest efficiency and is suitable for continuous production conditions; Mechanical vibration cleaning has low cost and is suitable for intermittent operations. Foreign trade procurement needs to specify production continuity to avoid filter bag blockage caused by delayed dust cleaning.
2. Equipment resistance: The normal operating resistance should be controlled between 1200-1500Pa. Excessive resistance will increase the energy consumption of the fan. When selecting, it is necessary to confirm whether the resistance calculation basis provided by the manufacturer complies with international standards.
3. Body size: It is necessary to consider the installation site space and the size of the foreign trade transportation container, and prioritize modular design equipment to reduce transportation costs and installation difficulties.
4、 Exclusive parameters for foreign trade: Avoiding cross-border risks
1. Environmental certification: Clearly define the target market for mandatory certification, such as US EPA and EU CE certification, to ensure that equipment parameters comply with local environmental regulations and avoid customs clearance obstacles.
2. Voltage and Interface: Different countries have different voltage standards (such as 110V in the United States and 230V in Europe), so it is necessary to confirm the equipment motor voltage and control interface in advance to avoid malfunction.
3. Specification of vulnerable parts: Manufacturers are required to provide standardized filter bags and skeleton specifications to facilitate local procurement and replacement in the later stage, reducing maintenance costs and cycles.
In summary, the selection of bag filter should be based on operating parameters, combined with comprehensive judgment of environmental protection, transportation, and maintenance needs in foreign trade scenarios. It is recommended to retain detailed operating condition data and verify the parameters with the manufacturer one by one to avoid economic losses caused by parameter mismatches.
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