HG 3719-2003Mefenacet technical (English PDF)

National Standard of the People's Republic of China

ICS

65.100.20

Contents

• [Preview only]
• 1 General Provisions
• 1.1 Pursuant Laws and Regulations
• 1.2 Scope
• 1.3 Design and Manufacturing Organization
• 1.4 Definitions
• 1.5 Load
• 1.6 Thickness
• 1.7 Permissible Stress
• 1.8 Pressure Test and Compactness Test
• 2 Terms
• 2.1 General Requirements of Materials
• 2.2 Grey Cast Iron
• 2.3 Spheroidal Graphite Cast Iron
• 2.4 Malleable Cast Iron
• 2.5 Corrosion Resistant High Silicon Cast Iron
• 2.6 Heat Resistant Cast Iron
• 2.7 Carbon Cast Steel and Acid-Resistant Stainless Cast Steel
• 2.8 Heat-Resistant Cast Steel
• 3 Basic requirements
• 3.1 General Principles
• 3.2 Calculation of Tower Vessel
• 3.3 Calculation of Shells under External Pressure
• 4 Degreasing of equipment
• 4.1 General Principle and Precautions for Structural Design
• 4.2 Characteristics of Structural Design of Different Cast Materials
• 4.3 Design of Cast Node
• 4.4 Structure Design for Casting Vessel Parts
• 4.5 Structural Design of Tower Vessel
• 4.6 Prevention against accidental injuries such as mechanical injury and falling
• 5 Degreasing of pipeline and pipeline components
• 5.1 Static Equipment and Pipeline System
• 5.2 Electrical System
• 5.3 Instruments and Control System
• 5.4 Rotating Equipment/Machinery Run-in
• 5.5 Furnace Drying
• 5.6 Repair of Casting Defect
• 5.7 General Requirements for Inspection
• 5.9 Destructive Test of Hydraulic Pressure for Cast Iron Vessel
• 6 Degreasing of instruments and instrument components
• 6.1 General Requirements for Cold Commissioning
• 6.2 Simulation Running of Unit or System
• 6.3 Boiling out of Steam Generator
• 6.4 Passivation of Equipment and Pipeline System
• 6.5 Filling of Catalyst, Molecular Sieve, Resin and Desiccant
• 6.6 Tightness Test of Process System
• 7 Inspection
• 7.1 Safety and hygiene management institutions and personnel quota
• 7.2 Safety and hygiene monitoring institutions
• 7.3 Gas protection station
• 7.4 Fire station
• 7.5 Establishment of occupational disease prevention and control institutions
• 8 Safety technology
• 9 Division of Responsibilities