1.0.1 This code was formulated with a view to strengthening the installation quality management and unifying the installation acceptance for ironmaking mechanical equipment as well as to guaranteeing the engineering quality.
1.0.2 This code is applicable to the installation quality acceptance of mechanical equipment for blast furnaces with a capacity larger than or equal to 1000 m3 and COREX furnaces.
1.0.3 In the engineering technical document and contract agreement document adopted in the installation of ironmaking mechanical equipment works, the requirements for installation quality shall not be less than those specified in this code.
1.0.4 As for the installation quality acceptance of ironmaking mechanical equipment works, not only the requirements stipulated in this code but also those in the current relevant ones of the nation shall be complied with.
Foreword i
1. General Provisions
2. Basic Requirements
3. Equipment Foundation, Anchor Bolts and Backing Plate
3.1 General Requirements
3.2 Equipment Foundation
3.3 Anchor Bolt
3.4 Backing Plate
4. Admission of Equipment and Materials
4.1 General Requirements
4.2 Equipment and Members
4.3 Raw Materials
5. Process Steel Structures
5.1 General Requirements
5.2 Welding
5.3 High Strength Bolting
5.4 Fabrication of Frame and Vestibule Truss
5.5 Fabrication of Large-Diameter Rolling-welded Steel Pipe
5.6 Fabrication of Shell
5.7 Installation of Frame
5.8 Installation of Vestibule Truss
5.9 Installation of Shells
5.10 Installation of Large-Diameter Rolling-Welded Steel Pipe
5.11 Coating of Processing Steel Structure
6. Installation of Blast Furnace Body Equipment
6.1 General Requirements
6.2 Furnace Body Cooling Equipment
6.3 Tuyere Apparatus
6.4 Cinder Notch and Iron Notch Jacket
6.5 Coal Gas Sampler
6.6 Test Run of Coal Gas Sampler
6.7 Steel Brick at the Furnace Throat
6.8 Furnace Top Guard Plate
7. Installation of Bell-less Furnace Top Equipment for Blast Furnace
7.1 General Requirements
7.2 Drive Gear Box of Distribution Chute
7.3 Bellows
7.4 Valve Box
7.5 Charging Bucket
7.6 Receiving Hopper
7.7 Test Run of Bell-less Furnace Top Charging Apparatus
7.8 Vertical Level-Detecting Device
7.9 Test Run of Vertical Level-Detecting Device
7.10 Top Gas Bleeding Valve and Balance Valve
7.11 Test Run of Top Gas Bleeding Valve and Balance Valve
7.12 Furnace Top Ignition Device
7.13 Test Run of Furnace Top Ignition Device
7.14 Sprinkler Facility at the Furnace Throat
7.15 Temperature Measuring Device at the Furnace Throat
8. Installation of Feed Equipment
8.1 General Requirements
8.2 Motor-driven Tape Tripper
8.3 Test Run of Motor-driven Tape Tripper
8.4 Weighing Hopper
8.5 Test Run of Weighing Hopper
8.6 Coke Pulverizer
8.7 Test Run of Coke Pulverizer
9. Installation of Feeding Equipment
9.1 General Requirements
9.2 Skip Feeding Equipment
9.3 Test Run of Skip Feeding Equipment
9.4 Tape Feeding Equipment
9.5 Test Run of Tape Feeding Equipment
10. Installation of Tuyere Platform and Casthouse Equipment
10.1 General Requirements
10.2 Hydraulic Clay Gun
10.3 Test Run of Hydraulic Clay Gun
10.4 Sinker Drilling Taphole Driller
10.5 Test Run of Sinker Drilling Taphole Driller
10.6 Stopper
10.7 Test Run of Stopper
10.8 Slag & Iron Runner and the Gate
10.9 Swing Iron Spout
10.10 Test Run of Swing Iron Spout
10.11 Cover Carriage of the Tap Drain
10.12 Test Run of the Cover Carriage of Tap Drain
11. Installation of Hot Blast Furnace Equipment
11.1 General Requirements
11.2 Furnace Grate and Prop
11.3 Cannular Combustor and Combustion Fan
11.4 Test Run of Combustion Fan
11.5 Hot Blast Furnace Valves
11.6 Test Run of Hot Blast Furnace Valve
12. Installation of Blast Furnace Blower
12.1 General Requirements
12.2 Axial Blower
12.3 Test Run of Axial Blower
12.4 Air Filter
12.5 Overall No-load Test Run of Air Filter
12.6 Moisture Eliminator
12.7 Valve
12.8 Test Run of Valve
13. Installation of Gas Purification Equipment
13.1 General Requirements
13.2 Coal Gas Intercepter Valve in Dust Collector
13.3 Test Run of Coal Gas Intercepter Valve in Dust Collector
13.4 Deashing Valve of Dust Collector and Coal Gas Ash Blender
13.5 Test Run of Deashing Valve and Coal Gas Ash Blender
13.6 Gas Pressure Regulating Valve Group
13.7 Test Run of Gas Pressure Regulating Valve Group
13.8 Pressure Regulating Device of Annular Gap Scrubber
13.9 Test Run of Pressure Regulating Device of Annular Gap Scrubber
13.10 Coal Gas Bleeding Valve
13.11 Test Run of Coal Gas Bleeding Valve
13.12 Horizontal Silencer
13.13 Blade-profile Inserting Plate
14. Installation of Blast Furnace Coal Jetting Equipment
14.1 General Requirements
14.2 Cone Pump
14.3 Raw Coal Bunker and Powder Storage Tank
14.4 Pulverized Coal Collector
14.5 Injection System
15. Installation of Slag Processing Equipment
15.1 General Requirements
15.2 Blowing Box and Granulated Slag Slot
15.3 Rotate-drum Slag Granulation Filtering Equipment
15.4 Test Run of Rotate-drum Slag Granulation Filtering Equipment
15.5 Impingement Baffle
16. Installation of Iron Treatment Equipment
16.1 General Requirement
16.2 Pig Machine
16.3 Test Run of Pig Machine
16.4 Floor-type Tipping Winch
16.5 Test Run of Floor-type Tipping Winch
16.6 Front Support
16.7 Plate-type Rotary Unloader
16.8 Test Run of Plate-type Rotary Unloader
17. Installation of Malaxator
17.1 General Requirements
17.2 Two-section Vibratory Coke Crusher
17.3 Test Run of Two-section Vibratory Coke Crusher
17.4 Malaxator
17.5 Test Run of Malaxator
17.6 Forming Machine
17.7 Test Run of Forming Machine
18. Installation of Water Treatment Equipment
18.1 General Requirements
18.2 Movable Trolley over the Settling Pond
18.3 Test Run of Movable Trolley over the Settling Pond
18.4 Float-type Oil Collector in the Settling Pond
18.5 Test Run of Float-type Oil Collector in the Settling Pond
18.6 Horizontal Plate and Frame Filter Press
18.7 Test Run of Horizontal Plate and Frame Filter Press
18.8 Pressure-type Cylindrical Filter
18.9 Iron-exchange Resin Tower
18.10 Upper Fan of Cooling Tower
18.11 Test Run of Upper Fan of Cooling Tower
18.12 Metal Tank
18.13 Vertical Stirrer
18.14 Test Run of Vertical Stirrer
19. Integral Leakage Test of Blast Furnace System
19.1 General Requirements
19.2 Integral Leakage Test of Blast Furnace System
Appendix A Quality Acceptance Record for Sub-item Project of Ironmaking Mechanical Equipment Installation
Appendix B Quality Acceptance Record for Subproject of Ironmaking Mechanical Equipment Installation
Appendix C Quality Acceptance Record for Unit Project of Ironmaking Mechanical Equipment Installation
Appendix D No-load Test Run Record of Ironmaking Mechanical Equipment
Appendix E Pressure Test of Pressure Equipment
Appendix F Sealing Requirements on Valve Clack and Valve Seat of Bleeding Valve, Balance Valve, Stop Valve of Air Heating Furnace, Coal Gas Intercepter Valve of Deduster and Deashing Valve
Explanation of Wording in This Code
