JB/T 12534-2015Gaseous ammonia injection devices for selective catalytic reduction (SCR) flue gas denitrification (English PDF)
选择性催化还原法(SCR)烟气脱硝气态氨喷射装置
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
October 10, 2015
Implementation date
March 1, 2016
Scope
JB/T 12534-2015 is the English-translated version of 选择性催化还原法(SCR)烟气脱硝气态氨喷射装置.
JB/T 12534-2015 covers the gaseous ammonia injection and mixing device of a selective catalytic reduction flue gas denitrification system. The standard gives terms and definitions, the technical requirements, inspection and acceptance, and labelling, marking, packaging and transport.
It applies to ammonia injection grids and other gaseous ammonia injection devices used in selective catalytic reduction denitrification; other ammonia injection and mixing systems for denitrification may be dealt with by reference to it.
A recommended standard of the Chinese machinery industry, it was issued on 10 October 2015 under MIIT Announcement 2015 No. 63 and took effect on 1 March 2016.
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Document preview — JB/T 12534-2015
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Technical requirements
- 4.1 Basic requirements
- 4.2 Technical performance requirements
- 4.3 Requirements on the materials and on the manufacture
- 4.4 Ammonia injection grid
- 4.5 Occupational safety and health
- 5 Inspection and acceptance
- 5.1 Acceptance of the equipment
- 5.2 Performance acceptance
- 6 Nameplate, marking, packaging and transport
- 6.1 Nameplate and marking
- 6.2 Packaging and transport
- Annex A (normative) Typical gaseous ammonia injection device for flue gas denitrification by selective catalytic reduction
- Figure A.1 Diagram of the typical gaseous ammonia injection device for flue gas denitrification by selective catalytic reduction
- Figure A.2 Layout diagram of the typical ammonia injection and mixing device (ammonia injection grid) for flue gas denitrification by selective catalytic reduction
- Figure A.3 Diagram of the triangular wing static ammonia injection mixer
- Figure A.4 Diagram of the longitudinal vortex ammonia injection device
- Figure A.5 Diagram of the V shaped ammonia injection and mixing device
- Figure A.6 Diagram of the vortex mixer ammonia injection device
3 Terms and definitions
4 Technical requirements
5 Inspection and acceptance
6 Nameplate, marking, packaging and transport
Foreword
This document was issued on 10 October 2015 by the Ministry of Industry and Information Technology of the People's Republic of China, and has been in force since 1 March 2016.
It is the first edition of this standard.
About this edition
JB/T 12534-2015 is the first edition of this standard. It was issued on 10 October 2015 and has been in force since 1 March 2016.
There is no earlier edition to compare it with, so a specification that has to refer to this subject can only cite JB/T 12534-2015 itself.
The interval between issue and effect is the transition period. It exists so that producers, laboratories and buyers can requalify products, revise procedures and use up documentation before the new text becomes the one that applies. The date on this page is the official one announced by the Ministry of Industry and Information Technology of the People's Republic of China.
Edition history and citation
JB/T 12534-2015 is a first edition: there is no earlier version of this standard, so a document that needs to refer to this subject can only cite JB/T 12534-2015 itself.
Where an edition is replaced, the Chinese standardization system keeps the number and changes the year: the number identifies the subject, the year identifies the text. That is why a citation without a year is ambiguous and a citation with one is not.
Classification and status
JB/T 12534-2015 carries no ICS number in the official record.
The JB/T prefix marks a recommended standard of China's machinery industry, issued by the Ministry of Industry and Information Technology. It is not, in itself, law: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.
How this standard is designated
The full designation is JB/T 12534-2015. A citation should carry the number with its year, because the year identifies the text that applies.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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