标准编号：ISO 22031:2021
中文名称：从运行中的系统的过滤器中提取的可清洗过滤介质的取样和试验方法
英文名称：Sampling and test method for cleanable filter media taken from filters of systems in operation
发布日期：2021-01
标准范围
This document specifies a method for sampling fabric filter medium from a filter system in operation, and a test method for evaluating the degradation of the sampled filter medium. It applies to both woven and nonwoven fabric filter media.
This document specifies a method for removing used filter medium from a dry type filtering dust
collector, a method for removing dust from the sampled filter medium as part of preparation for testing,
and measurement parameters for the test specimen. The number of filter elements to be sampled,
their positions in the blocks of filter elements in the dust collector, the position and the size of the test
specimens to be cut out from the filter element, measurement parameters and their test methods are
also specified.
This document also specifies a storage and transportation method for the sampled filter medium that
will protect the health of workers and people conducting the tests.
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