Table of Contents

1 Scope
2 Definitions
3 Summary of measurement
4 Measuring position, hole, and point
4.1 Measuring position
4.2 Measuring hole
4.3 Measuring point
5 Measurement of temperature of flue gas
5.1 Measuring point
5.2 Measuring apparatus
5.3 Measuring method
6 Measurement of moisture content in flue gas
6.1 Method by moisture absorption tube
6.1.1 Measuring point
6.1.2 Sampling apparatus for moisture content
6.1.3 Measuring method
6.2 Method by calculation
7 Measurement of flow velocity and flow rate of flue
gas
7.1 Measuring point
7.2 Measuring apparatus
7.3 Measuring method of flow velocity of flue gas
7.3.1 Measuring method of dynamic pressure
of flue gas
7.3.2 Measuring method of static pressure of
flue gas
7.3.3 Calculation of density of flue gas
7.3.4 Calculation of flow velocity of flue gas
7.4 Calculation of flow rate of flue gas
7.4.1 Calculation of flow rate of wet flue gas
7.4.2 Calculation of flow rate of dry flue gas
8 Sampling apparatus for dust
8.1 Kind of sampling apparatus for dust
8.2 Arrangement of the sampling apparatus for dust
8.3 Ordinary-type sampling apparatus
8.3.1 Ordinary-type manual sampling apparatus
8.3.2 Ordinary-type automatic sampling apparatus
8.4 Performance of ordinary-type automatic sampling
apparatus and its performance testing method
8.5 Balanced-type sampling apparatus
8.5.1 Balanced-type manual sampling apparatus
8.5.2 Balanced-type automatic sampling apparatus
8.6 Performance and its testing method of balanced-type
sampling
9 Sampling method for dust
9.1 Measuring points
9.2 Kind of sampling method for dust
9.3 Preparation of dust sampling
9.3.1 Calculation of suction flow rate for
isokinetic sampling
9.3.2 Preparation of dust collector
9.4 Sampling of dust
9.5 Measuring method for volume of suction gas
10 Calculation of dust concentration
10.1 Dust concentration in dry flue gas at each
measuring point
10.2 Average dust concentration in dry flue gas on
whole section
10.3 Rounding off of measured values of dust
concentration
11 Calculation of flow rate of dust
12 Record of measured values
Attached Table 1 Cited standards
Annex Performance and performance testing method
of ordinary-type automatic sampling
apparatus and balanced-type sampling
apparatus

Abstract

Standard defines the procedures of measuring dust concentration in flue gas, in a flue, duct, chimney, or the like (referred to as "duct").

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
Pages
ISBN
Supersedes	JIS Z 8808:1995