Laboratory Filter Media Performance Testing Device Without Vertical Duct
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Web: standard-groups.com
Standards
The G508 test bench supports parameterized test conditions in accordance with the following standards:
(1) GB/T 6719 — Technical requirements for baghouse dust collectors
(2) ISO 11057 — Air quality; test methods for filtration performance of cleanable filter media
(3) ASTM D6830 — Test method for pressure drop and filtration performance of cleanable filter media
(4) VDI/DIN 3926 — Evaluation methods for cleanable filter media
(5) JIS Z 8909-1 — Test method for filter media for dust collection, Part 1
Parameters
Duct and System Structure (Horizontal Duct)
| Item | Technical Parameter |
|---|---|
| Duct configuration | Horizontal airflow duct |
| Dirty air duct cross-section | Rectangular, 110 mm × 290 mm |
| Clean air flow range | 0–10 m³/h |
| Overall system dimensions | Approx. 2300 mm × 1000 mm × 3500 mm |
| System weight | Approx. 350 kg |
| Power supply | AC 220 V, 50/60 Hz, 15 A |
Sensors and Measurement System
| Item | Technical Parameter |
|---|---|
| Temperature range | 0–100 °C |
| Temperature accuracy | ±0.2 °C |
| Pressure range | 0–1200 mbar |
| Pressure accuracy | ±0.3 % |
| Differential pressure range | 0–2500 Pa |
| Differential pressure accuracy | ±0.1 % |
| Airflow measurement range | 0–12 m³/h |
| Flow accuracy | ±1 % |
Dust Generation and Concentration Control
| Item | Technical Parameter |
|---|---|
| Dust feed rate | 42–430 g/h |
| Dust concentration range | 0.8–100 g/m³ |
| Concentration control accuracy | ≤ ±5 % |
| Dust hopper volume | 5.5 L |
| Test dust types | Standard dust, SAE dust, Fine A2. Pural SB |
Particle Size and Filtration Efficiency Analysis
| Item | Technical Parameter |
|---|---|
| Particle size range | 0.2–40 μm |
| Particle concentration range | 1–4.000.000 /L |
| Measurable indices | PM10 / PM2.5 / PM1 |
| Measurement principle | 90° light scattering with filter sampling |
| Analysis functions | Fractional efficiency and counting efficiency |
Features
(1) Horizontal airflow structure without vertical ducting, providing stable flow distribution for flat filter media testing
(2) High-repeatability dust loading system suitable for long-term aging and cleaning cycle tests
(3) Simultaneous online monitoring of pressure drop, filtration efficiency, particle size distribution, and dust penetration
(4) Flexible test configuration to meet multiple international standard requirements
(5) Automated data acquisition with curve display and Excel data export for further analysis
Accessories
(1) Solid aerosol dust generator
(2) Dust concentration monitoring instrument with automatic optical cleaning
(3) Particle size spectrometer for fractional efficiency measurement
(4) Pneumatic high-sealing specimen clamping fixture
(5) Precision analytical balance (readability 0.01 g)
(6) Microbalance (readability 0.01 mg)
(7) Standard test dust (e.g., Pural SB)
(8) Terminal HEPA filter for dust collection
(9) Air compressor for pulse-jet cleaning
(10) Desiccator and desiccant for sample conditioning
Test Procedures
(1) Install the filter media sample and verify sealing integrity of the fixture
(2) Set airflow rate, dust concentration, and test parameters according to the selected standard
(3) Start the dust generation system and begin the loading phase
(4) When the pressure drop reaches the preset value, activate pulse-jet cleaning
(5) Repeat loading and cleaning cycles until performance stabilizes
(6) Record pressure drop curves, filtration efficiency, and dust penetration data
(7) Export test data and perform performance evaluation
Maintenance Information
(1) Clean dust pipelines and filtration components after each test
(2) Periodically inspect sensors, flow meters, and pressure transmitters
(3) Check pulse valves and cleaning pressure settings regularly
(4) Ensure dust feeding and hopper systems remain dry and unobstructed
(5) Calibrate measurement instruments according to laboratory schedules
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