GB16912-2008

Safety technical regulation for oxygen and relative gases produced with cryogenic method

深度冷冻法生产氧气及相关气体安全技术规程

GB 16912-2008 ist eine gültige verbindliche chinesische Nationalnorm: Safety technical regulation for oxygen and relative gases produced with cryogenic method. Branchencluster: Lebensmittel. Schwerpunkt: Produktsicherheit. Inkrafttreten: 1. Okt. 2009.

Die Anwendbarkeit hängt vom Produktumfang, dem Zertifizierungsweg, Bekanntmachungen der Behörden und Übergangsregeln ab. Fordern Sie eine Übersetzung an oder prüfen Sie die Quelle, bevor Sie diesen Eintrag für Compliance-Entscheidungen nutzen.

Compliance-Überblick

Dieser Überblick ist derzeit nur auf Englisch verfügbar.

Geltungsbereich und Anwendbarkeit

This standard applies to the production (including design, manufacturing, installation, modification, and maintenance), storage, distribution, and usage of industrial oxygen and related gases using the cryogenic method. It is specifically designed for newly built, expanded, or reconstructed facilities. It is mandatory for all manufacturers and facilities involved in cryogenic air separation processes. The regulation covers related gases such as nitrogen, argon, rare gases, and hydrogen produced within these facilities.

Technische Anforderungen

The standard specifies comprehensive safety requirements across several critical areas. It mandates strict general layout and fire separation distances between production facilities, storage tanks, and external infrastructures to mitigate explosion and fire risks. Facilities must adhere to mandatory fire prevention, explosion-proofing, and lightning protection measures. For equipment, the standard outlines safety protocols for air compressors, oxygen compressors, expansion turbines, and liquid oxygen pumps, requiring specific protective interlock systems and emergency shutdown mechanisms. It also details the safe operation of air separation units, including the monitoring of acetylene and hydrocarbon concentrations in liquid oxygen to prevent accumulation and potential detonation. A significant portion of the standard is dedicated to oxygen pipelines, specifying material selection criteria, maximum allowable flow velocities based on pressure and material, and rigorous cleaning and degreasing procedures. All components in contact with oxygen must be strictly free of oil and grease contamination. Additionally, it covers the safe production and handling of hydrogen (produced via water electrolysis within the oxygen plant), requiring explosion-proof electrical equipment, gas monitoring systems, and nitrogen purging protocols before startup.

Prüfverfahren

The standard requires various monitoring and testing procedures rather than specific laboratory test methods. Key evaluations include: continuous or periodic monitoring of impurity levels (such as acetylene, hydrocarbons, and nitrous oxide) in liquid oxygen and at air intake points; leak testing and pressure testing for oxygen pipelines using oil-free dry air or nitrogen (with strict calculation of allowable leak rates); and regular inspection of safety valves, interlock systems, and grounding resistances for lightning and static electricity protection.

Häufige Fragen

What products and facilities are regulated under GB 16912-2008?

GB 16912-2008 regulates the production, storage, distribution, and use of industrial oxygen and related gases (nitrogen, argon, rare gases, hydrogen) produced using the cryogenic method. It applies to newly built, expanded, or reconstructed air separation plants and associated facilities.

Are there any major updates from the previous version, GB 16912-1997?

Yes, the 2008 version was renamed to specifically focus on the *cryogenic method*. It added requirements for new technologies like internal compression processes, down-flow film main condensers, and frequency converting startup. It also updated referenced standards and revised fire separation distances and pipeline material selection criteria.

How does GB 16912-2008 address oxygen pipeline safety?

The standard includes detailed requirements for oxygen pipeline design, material selection, and maximum flow velocities to prevent ignition. It mandates strict degreasing and cleaning procedures for all pipeline components before installation and use. It also specifies pressure testing, leak rate calculations, and minimum safety distances from other pipelines and structures.

The summary above provides a high-level overview of GB 16912-2008. To ensure complete compliance for your products and facilities entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 16912-2008 today to access all detailed parameters, tables, and testing procedures.

Hinweise zur Anwendbarkeit

Normtyp: Sicherheit
CCS: C67
ICS: 13.100
Zuständige Behörde: Ministry of Emergency Management
Technisches Komitee: National Technical Committee on Work Safety of Standardization Administration of China

Normbeziehungen

Ersetzt:GB 16912-1997