This specification specifies the material selection and design for steel column (hereinafter referred to as "column") in the petrochemical engineering as well as the design requirements for manufacture, inspection and acceptance.
This specification is applicable to the design for the skirt-supported column, whose design pressure is not greater than 35MPa, height is higher than 10m and height-diameter ratio is greater than 5.
Foreword I
1 Scope 1
2 Normative References 1
3 Terms and Definitions 3
4 Design Base 3
4.1 Design Pressure 3
4.2 Design Temperature 4
4.3 Design Load 5
4.4 Additional Thickness 5
4.5 Minimum Thickness 7
4.6 Allowable Stress 7
5 Materials 7
5.1 General Principles of Material Selection 8
5.2 Pressure Parts 8
5.3 Non-pressure Parts 8
5.4 Skirt 8
5.5 Foundation Bolt 10
5.6 Welding Materials 10
6 Design Calculation 10
6.1 Strength and Stability Calculation of Column 10
6.2 Wind Load and Earthquake Load Calculation of Column 10
6.3 Calculation of Flange Equivalent Design Pressure of Column 12
6.4 Strength Calculation of Tray Plate and Support Beam 12
6.5 Strength Calculation of Packing Grid Plate and Support Beam 12
6.6 Local Stress of Column Shell 15
7 Structural Design 16
7.1 Main Parts of Column and their Name 16
7.2 Column Body 16
7.3 Skirt and Foundation Bolt Base 17
7.4 Manhole and Handhole 32
7.5 Connecting Pipe 34
7.6 Opening Reinforcement Structure 38
7.7 Tray 39
7.8 Packing, Supporting Member for Packing and Limiting Stopper 39
7.9 Column Kettle Partition Plate 41
7.10 Cushioning Baffle 43
7.11 Anti-vortex Baffle 44
7.12 Gas Outlet Baffle and Wire Mesh Demister 46
7.13 Internal Ladder 46
7.14 Heat Preservation (Cold Preservation) Support Ring 47
7.15 Fire Protection Layer of Skirt 52
7.16 Top Davit for Column 54
7.17 Lifting Lug 55
7.18 Electrostatic Earthing Plate 55
7.19 Platform and Ladder of Column 55
7.20 Nameplate and Nameplate Base 55
8 Manufacture, Inspection and Acceptance 56
8.1 General Requirements 56
8.2 Physical Dimension Deviation 56
8.3 Verticality of Column Body Installation 57
8.4 Position and Dimension Deviation of Tray 57
8.5 Planeness of Packing Support Ring Installation 58
8.6 Non-destructive Testing 58
8.7 Post-weld Stress Relief Heat Treatment 59
8.8 Column Assembled and Welded on Site by Sections and Pieces 59
Appendix A (Normative) Thickness Tolerance of Commonly Used Steel Plates 61
Appendix B (Informative) Mass Estimation of Platform, Ladder and Tray 63
Appendix C (Informative) Bulk Density of Commonly Used Packing 64
Appendix D (Informative) Control Value of Column Top Deflection 66
Appendix E (Informative) Support Ring and Support Block of Packing 67
Appendix F (Informative) Precautions for Column due to Across-wind Sympathetic Vibration Failure 68
Explanation of Wording in this Specification 70
SH/T 3098-2011, SH 3098-2011, SHT 3098-2011, SH/T3098-2011, SH/T 3098, SH/T3098, SH3098-2011, SH 3098, SH3098, SHT3098-2011, SHT 3098, SHT3098
Introduction of SH/T 3098-2011
This specification specifies the material selection and design for steel column (hereinafter referred to as "column") in the petrochemical engineering as well as the design requirements for manufacture, inspection and acceptance.
This specification is applicable to the design for the skirt-supported column, whose design pressure is not greater than 35MPa, height is higher than 10m and height-diameter ratio is greater than 5.
Contents of SH/T 3098-2011
Foreword I
1 Scope 1
2 Normative References 1
3 Terms and Definitions 3
4 Design Base 3
4.1 Design Pressure 3
4.2 Design Temperature 4
4.3 Design Load 5
4.4 Additional Thickness 5
4.5 Minimum Thickness 7
4.6 Allowable Stress 7
5 Materials 7
5.1 General Principles of Material Selection 8
5.2 Pressure Parts 8
5.3 Non-pressure Parts 8
5.4 Skirt 8
5.5 Foundation Bolt 10
5.6 Welding Materials 10
6 Design Calculation 10
6.1 Strength and Stability Calculation of Column 10
6.2 Wind Load and Earthquake Load Calculation of Column 10
6.3 Calculation of Flange Equivalent Design Pressure of Column 12
6.4 Strength Calculation of Tray Plate and Support Beam 12
6.5 Strength Calculation of Packing Grid Plate and Support Beam 12
6.6 Local Stress of Column Shell 15
7 Structural Design 16
7.1 Main Parts of Column and their Name 16
7.2 Column Body 16
7.3 Skirt and Foundation Bolt Base 17
7.4 Manhole and Handhole 32
7.5 Connecting Pipe 34
7.6 Opening Reinforcement Structure 38
7.7 Tray 39
7.8 Packing, Supporting Member for Packing and Limiting Stopper 39
7.9 Column Kettle Partition Plate 41
7.10 Cushioning Baffle 43
7.11 Anti-vortex Baffle 44
7.12 Gas Outlet Baffle and Wire Mesh Demister 46
7.13 Internal Ladder 46
7.14 Heat Preservation (Cold Preservation) Support Ring 47
7.15 Fire Protection Layer of Skirt 52
7.16 Top Davit for Column 54
7.17 Lifting Lug 55
7.18 Electrostatic Earthing Plate 55
7.19 Platform and Ladder of Column 55
7.20 Nameplate and Nameplate Base 55
8 Manufacture, Inspection and Acceptance 56
8.1 General Requirements 56
8.2 Physical Dimension Deviation 56
8.3 Verticality of Column Body Installation 57
8.4 Position and Dimension Deviation of Tray 57
8.5 Planeness of Packing Support Ring Installation 58
8.6 Non-destructive Testing 58
8.7 Post-weld Stress Relief Heat Treatment 59
8.8 Column Assembled and Welded on Site by Sections and Pieces 59
Appendix A (Normative) Thickness Tolerance of Commonly Used Steel Plates 61
Appendix B (Informative) Mass Estimation of Platform, Ladder and Tray 63
Appendix C (Informative) Bulk Density of Commonly Used Packing 64
Appendix D (Informative) Control Value of Column Top Deflection 66
Appendix E (Informative) Support Ring and Support Block of Packing 67
Appendix F (Informative) Precautions for Column due to Across-wind Sympathetic Vibration Failure 68
Explanation of Wording in this Specification 70
