Filter Media Test System丨Filter Media System
Filter Media Test System
Gellowen has developed its filter media testing system of G505 for the determination of particle concentration, dust penetration, cycle time, pressure drop, residual pressure drop, fractional efficiency, gravimetric separation efficiency. G505 allows testing of specific filter media for cleanable filter for dust removal from industrial flue gases and the recovery of valuable materials in accordance with international standards.
Applications
G505 filter media testing system is pro- fessional designed for filter media to be used in cleanable filters, e.g. baghouse filters, pocket filters, cartridge filters. By simulating local filtration and cleaning conditions of a filter element, filter me- dia testing system provides constant and reproducible manner loading of the filter sample with test dust.
Research and development of filter me- dia
Optimization of filter media Quality control in production
Standards
ISO 11057 Air quality - Test method for filtration characterization of cleanable fil- ter media
ASTM D6830 Standard Test Method for
Characterizing the Pressure Drop and Fil- tration Performance of Cleanable Filter Media
VDI/DIN 3926 Testing of cleanable filter
media Standard test for the evaluation of cleanable filter media
GB/T 6719 Specifications for bag house
JIS Z8909-1 Test method of filter media for dust collection Part 1:Filter efficiency
Ambient air is introduced into the vertical raw gas duct to generate a dust-laden, dirty-gas flow with the help of dust feeder. Using dry compressed air, uniform dust concentration is attained over the entire filter face. The dust forms a filter cake causing an increase in the pressure drop. Test sample is cleaned by means of a defined pulse of compressed air from the clean gas side without interrupting the flow once a predetermined pressure drop is reached across the filter sample.
The filter media testing system consists essentially of dust feeder for solid aerosol genera- tion, vertical raw gas duct, filter holder, horizontal clean gas duct, optical particle measuring device, pressure measuring device, flow unit and cleaning unit.
Main testing parameters
Dust concentration
Residual dust
Initial pressure drop
Residual pressure drop
Filtering cycle time
Static dust collection efficiency
Dynamic dust collection efficiency
Dust penetration
Cleaning time
Cleaning cycle
Fractional efficiency
Aerosol Generator：
Forming rate：42mg-420 g/h(SAE，Fine A2 Dust)
Air speed：5-10 m?/h±1%
Dust container：3.2 L
Dust concentration：0.8-100 g/m3.<±7%
Generator weighing：30kg，±1g
Continuous feeding device：Automatic
Generator lifting system：Lifting adjustable
Raw/dirty gas duct：
Temperature sensor：0-100℃, ±0.3℃
Pressure sensor：0-1100mbar±0.5%
Air flow：0-12 m3/h±1%
OPC：
Concentration range：(0～10)g/m3
Comments：Concentration and dispersion
Photometer：<10s，1mW，650nm±10nm
Particle counter：
Size range：0.25μm-32μm
PM2.5 VSCC Colony：√
Filter Holder：
Diameter：140mm/150mm
Face velocity：0.5-5 m/min<±2%
Clamping method：Pneumatic clamping device
Clean gas duct：
Distance between nozzle and filter：840mm±70mm
Dimension of duct：210mm, min 28mm, with out diameter 33.7mm Nozzle diameter of 3mm
Flow rate：0-6 m3/h
Pressure sensor：0-2500Pa±0.5%
Repeatability：0.1%
Response time：2.5s
Stability：0.5%FSD/year
Temperature range：1% of FS, 0 ℃-50℃
Pulse device：
Compressed air：3.2 L
Pressure：0-0.7 MPa±3%;
Valve opening time：50ms-250 ms(Adjustable)
Standard testing mode：
Phase A：30 loading cycles with differential pressure controlled pulse-jet cleaning
Phase B：10000 pulse-jet cleanings at an interval of 5 s each
Phase C：10 loading cycles with differential pressure controlled pulse-jet cleaning
Phase D：30 loading cycles minimum with differential pressure controlled pulse-jet cleaning
Phase E：Extra 30 pulse-jet cleaning (1700 Pa for ISO standard)
Custom testing mode：
Constant pressure mode：Preset cycles, pressure, time and pulse pressure
Constant time mode：Preset cycles, time, opening time, pulse pressure
Custom mode：Preset testing parameters
Software：
Interface：User friendly control software
Language：English
Data：Data output and data acquisition for long term study
Data Intergration：Software display dust collection efficiency and fractional efficiency
Custom control：Customized testing parameters
RMONR：emote monitoring module
Air compressor：
Type：Scroll
Motor power：1.5HP/1.1KW，
Voltage/Frequency/Phase：220/50/3
Gas displacement：0.11
Exhaust pressure：0.8Mpa
Noise：50dB(A)
Physical parameter：
Dimension：2300mm╳1000mm╳3500mm
Weight：350kg
Power supply：220V，50/60Hz，15A
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