ДСТУ EN 13284-1:2014 Выбросы стационарных источников. Определение малых значений массовой концентрации пыли. Часть 1. Ручной гравиметрический метод (EN 13284-1:2001, IDT)

МІНІСТЕРСТВО ЕКОНОМІЧНОГО РОЗВИТКУ І ТОРГІВЛІ УКРАЇНИ

Наказ від 30.12.2014 № 1494

прийнято як національний стандарт
методом «підтвердження» за позначенням
 

З наданням чинності від 2016-01-01

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

5 Sampling plane and sampling points

5.1 General

5.2 Sampling plane

5.3 Minimum number and location of sampling points

5.4 Access ports and working platform

6 Equipment and materials

6.1 Gas velocity, temperature, pressure and composition measurement devices

6.2 Sampling equipment

6.3 Dust deposit recovery accessories

6.4 Equipment for conditioning and weighing

7 Weighing procedure

7.1 General aspects

7.2 Pre-sampling conditioning

7.3 Weighing

7.4 Post-sampling treatment of weighed parts 

7.5 Post-sampling treatment of the rinsing solutions

7.6 Improvement of the weighing procedure

8 Sampling procedure

8.1 General aspects 

8.2 Preparation

8.3 Pre measurements

8.4 Sampling procedure

8.5 Recovery of deposits upstream of the filter

8.6 Overall blank sample

9 Thermal behaviour of dusts

10 Validation of results

10.1 General

10.2 Parameters depending on the stationary source

10.3 Leak check

10.4 Isokinetic rate

10.5 Deposits of dust on non-weighed parts upstream the filter

10.6 Overall blank

11 Calculation

11.1 Sampling volumetric flow rate

11.2 Dust concentration

12 Performance characteristics of the method

12.1 General aspects

12.2 Experimental data

12.3 Comments

13 Test report

Annex A (normative) Requirements related to the working platform 

Annex B (normative) Determination of flow direction with Pitot tubes

B.1 Type L Pitot tube

B.2 Type S Pitot tube

Annex C (normative) Methods for determining the positions of sampling points in circular and rectangular ducts

C.1 Method for circular ducts

C.1.1 General

C.1.2 General method for circular ducts

C.1.3 Tangential method for circular ducts

C.2 Method for rectangular ducts

Annex D (informative) Examples of suitable access ports for sampling equipment

Annex E (normative) Proven design of the entry nozzles

Annex F (normative) Summary of the requirements

Annex G (informative) Sampling volume, flow rate and duration

G.1 General

G.2 Weighing uncertainties

G.3 Sampling volume

G.4 Sampling flow rate and duration

Annex H (informative) Examples of weighing bias

H.1 General

H.2 Effect of insufficient temperature equilibrium 

H.3 Effect of temperature variations 

H.4 Effect of barometric pressure variations

H.5 Conclusions

Bibliography