G505-filter Medium Tester

 G505-filter Medium Tester


Product Details:
The new G505 Filter Media Filtration Performance Tester simulates the use of filter bags in a baghouse by aging the filter material according to a standard procedure (usually over a period of several days). The results can be used to evaluate the filtration performance of the media in actual use, including pressure drop curves, residual pressure drop, filtration/cleaning cycles, residual dust layer mass, and dust mass of filter media samples.

For professional media testing.
The filter media filtration performance tester is a test instrument designed for evaluating the dynamic and static dust removal efficiency and filtration performance of filter media and filter bags for baghouse dust collectors, etc. By simulating the real situation of filter media in the actual use process, the performance evaluation parameters of filter media are quickly obtained and the quality, performance and life of filter materials are accurately evaluated.
It is the best choice for product performance verification in scientific research, testing, industrial production, etc. It provides data basis for the research and development of new filter materials, product quality control, and material performance verification.

Comply with a variety of test standards.
ISO 11057 Air quality - Test method for the filtration performance of cleanable filter media
ASTM D6830 Test Method for Determining Pressure Drop and Filtration Performance of Cleanable Filter Media
VDI/DIN3926 Standard test method for evaluating cleanable filter media
GB/T 6719 Technical requirements for baghouse dust collectors
JIS Z8909-1 Test method for filter media for dust collection. Part 1:Filtration efficiency

 

Principle of filter media filtration performance tester.
 
Air is first fed into the vertical dust generating duct to produce a dirty airflow full of dust. The dust is dispersed in the dust collector with compressed air to form a consistent concentration and then distributed evenly throughout the vertical duct and flows downward, partially reaching the horizontal duct with the suction airflow past the tested filter media, exposing it to a constant airflow and dust concentration to simulate the operation of a cleanable filter media.
 
The dust forms a cake, resulting in an increase in pressure drop, and a differential pressure sensor detects the change in pressure drop before and after the test media in real time. Once the pressure drop reaches a preset value, the system releases a pulse of clean compressed air towards the dust cake created on the dirty side of the airflow and performs a blowback cleaning (in-line cleaning) without affecting the airflow. The test media then filters the dust again, and so on and so forth. The cleaning pulses must be precisely timed and highly repeatable so that the pressurized surface of the filter media is even and consistent each time it passes through.
 
The removed cake and the remaining dust fall with the vertical airflow down to the dust collector at the bottom of the dirty air tube. The instrument is also equipped with a dirty air filter so that dust is not redispersed upstream of the dirty air of the test media, resulting in unspecified dust concentrations that would invalidate the measurement (especially for the important parameter: residual pressure drop value); this design allows for error-free long-term operation without the need for frequent and complete interruptions of the measurement due to cleaning of dust deposits.

Main test parameters.
Outlet dust concentration
Test media mass variation
Initial residual pressure drop, average residual pressure drop, incremental residual pressure drop
Average filtration cycle
Dust removal efficiency, penetration rate
Dust cleaning time, dust cleaning cycle
Static dust removal efficiency
Dynamic dust removal efficiency

G505-filter Medium Tester
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