Filter Media Test System丨Filter Media System

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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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