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  • BSI
    19/30363853 DC BS ISO 22031. Sampling and test method for cleanable filter media taken from filters of systems in operation
    Edition: 2019
    $45.38
    / user per year

Description of 19/30363853 DC 2019

This International Standard specifies the sampling method of fabric filter media from filter system in operation and test method thereof to evaluate the degradation of filter media for dry type filtering dust collector (hereafter referred to as “bag filters”) used in thermal power plants, municipal waste incineration facility, etc.

Bag filters are one of the most widely used dust collectors in industries such as municipal garbage incinerators, coal fired boilers, iron makings, cement factories, power plants, etc. Since filter media are used under various gas and dust circumstances for a long time, its physical and chemical properties change (deteriorate) with operation time due to various causes[1]-[9]. Especially, in the municipal garbage incinerator, bag filter has been used very popularly to overcome dioxin emission[10],[11]. Since users of bag filter system usually evaluated the necessary items for the change in the filter properties with each method by themselves, obtained results were not compatible with each other. For this reason, the establishment of the standard operation management and maintenance of filter system is an important issue to predict the timing of replacement and/or service life time of filter media.

It is usually desirable to remove dust from the filter element before sampling. However, it may be sampled with dust when it is difficult. In any case, special care shall be paid not to scatter too much dust accompanying sampling work and not to bring out extra dust outside the factory.

Since measured physical and chemical properties of the filter media may differ depending on whether or not dust adheres to the media, it is recommended to measure with and without attached dust on the filter media. When dust removal from the filter media is necessary, it shall be carried out using a brush and a vacuum being careful not to damage the filter media.

Sampled filter media may be contaminated with potential hazardous substances so it shall be handled with special care.



Standard Number19/30363853 DC
TitleBS ISO 22031. Sampling and test method for cleanable filter media taken from filters of systems in operation
StatusDefinitive
Publication Date2019-04-12
Identical National Standard OfISO/DIS 22031
DescriptorsTest methods, Filters, Fabrics, Degradation, Dust
ICS91.140.30 Ventilation and air-conditioning systems
CommitteeMCE/21
PublisherBSI
Pages27



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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