Single machine bag filter: selection guide and product details
Nov 01,2025
Single machine bag filter is suitable for small factories, single machine equipment matching and other scenarios. The selection core is to adapt to the working conditions and usage requirements. The product details directly affect the operational stability. The following is a concise and practical reference content.
1、 Selection Core Guide
1. Matching of operating condition parameters
Clear handling of air volume: Select based on the dust production of individual equipment, with an air volume deviation of no more than ± 10%, to avoid overload or inefficient operation.
Suitable for temperature and humidity: Choose conventional polyester filter bags for normal temperature drying conditions; High temperature resistant filter materials are used for high temperatures (≤ 120 ℃); For high humidity scenarios, hydrophobic film coating should be selected.
Adaptation of dust characteristics: Conventional filter bags can be used for coarse dust (>10 μ m), and film filter bags can be used for fine powder (<5 μ m); Corrosive dust needs to be paired with a 316L stainless steel casing.
2. Compliance and scenario adaptation
Referring to local emission standards: European and American markets need to meet CE and EPA certification requirements to ensure emission concentrations are ≤ 10mg/m ³.
Space adaptation: Choose vertical models for narrow workshops, choose horizontal models for open spaces, and reserve maintenance space of ≥ 0.5m.
2、 Key product details
1. Filter bag system
Filter bag material: conventional polyester, high temperature resistant PPS, anti-corrosion PTFE, selected according to working conditions, with elastic sealing at the interface to avoid air leakage.
Fixed method: Clamp type installation, easy to disassemble, with a gap between the filter bag and the frame controlled at 3-5mm to prevent friction damage.
2. Ash cleaning and unloading design
Cleaning method: Pulse blowing is the main method, with a cleaning pressure of 0.4-0.6MPa, and the spraying timing can be manually adjusted.
Ash unloading device: Small models are equipped with drawer style ash hoppers, while large models use star shaped ash unloading valves to prevent secondary dust generation.
3. Structure and Safety
Shell material: carbon steel spray coating (normal working conditions) or 316L stainless steel (corrosion scenario), seamless welding treatment, sealing grade ≥ IP54.
Safety configuration: Explosion proof valves can be optionally installed in explosion-proof scenarios, with a grounding resistance of ≤ 4 Ω, in compliance with ATEX certification requirements.
4. Operation and maintenance
Control panel: simple rotary knob or PLC basic model, displaying operating status and resistance values, supporting manual dust cleaning.
Maintenance design: The access door adopts a quick opening structure, and the filter bag replacement does not require professional tools, and can be operated by a single person.
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