GB/T 38019-2019 Industrial filter fabrics - Test method for dust filtration performance
1 Scope
This standard specifies a test method for dust filtration performance of industrial filter fabrics.
It is applicable to filter fabrics for separating solid from industrial gas.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 6529 Textiles - Standard atmospheres for conditioning and testing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
dust concentration
mass of dust contained in per unit volume of gas
3.2
dust cleaning cycle
time between the start of the last dust cleaning and that of the next dust cleaning
3.3
dust cleaning time
time spent for a single dust cleaning by jetting
3.4
initial resistance
resistance of clean specimen at specific air speed for filtrating
3.5
residual resistance
resistance of specimen after dust cleaning via specified cycle test
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and tools
6 Test dust
7 Absolute filtering media
8 Specimen conditioning and preparation
9 Test procedures
10 Calculation and expression of results
11 Test report
Annex A (Informative) Example of test report
Bibliography
GB/T 38019-2019 Industrial filter fabrics - Test method for dust filtration performance
1 Scope
This standard specifies a test method for dust filtration performance of industrial filter fabrics.
It is applicable to filter fabrics for separating solid from industrial gas.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 6529 Textiles - Standard atmospheres for conditioning and testing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
dust concentration
mass of dust contained in per unit volume of gas
3.2
dust cleaning cycle
time between the start of the last dust cleaning and that of the next dust cleaning
3.3
dust cleaning time
time spent for a single dust cleaning by jetting
3.4
initial resistance
resistance of clean specimen at specific air speed for filtrating
3.5
residual resistance
resistance of specimen after dust cleaning via specified cycle test
Contents of GB/T 38019-2019
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and tools
6 Test dust
7 Absolute filtering media
8 Specimen conditioning and preparation
9 Test procedures
10 Calculation and expression of results
11 Test report
Annex A (Informative) Example of test report
Bibliography