1 Scope
This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of limestone wet ball mill for desulphurization.
This standard is applicable to wet ball mill (hereinafter referred to as mill) used in flue gas desulphurization pulping system for grinding limestones of different hardness.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1174-1992 Cast bearing metals
GB/T 1348-2009 Spheroidal graphite iron castings
GB/T 3768 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 7233.1-2009 Steel castings - Ultrasonic examination - Part 1: Steel castings for general purposes
GB/T 9439-2010 Grey iron castings
GB/T 9444-2007 Magnetic particle testing for steel castings
GB/T 10095.1-2008 Cylindrical gears - System of accuracy - Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
GB/T 10095.2-2008 Cylindrical gears - System of accuracy - Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information
GB/T 13306 Plates
GB/T 25706 Code of designations for mining machinery products
HG/T 20678 Specification on design of steel shell with liner
HGJ 229 Code for construction and acceptance of anticorrosive engineering or industrial equipment and pipeline
JB/T 5000.3-2007 Heavy mechanical general techniques and standards - Part 3: And standards welding
JB/T 5000.6-2007 Heavy mechanical general techniques and standards - Part 6: Steel castings
JB/T 5000.8 Heavy mechanical general techniques and standards - Part 8: Forging
JB/T 5000.9 Heavy mechanical general techniques and standards - Part 9: Cutting
JB/T 5000.12 Heavy mechanical general techniques and standards - Part 12: Paint
JB/T 5000.13 Heavy mechanical general techniques and standards - Part 13: Packing
JB/T 6396-2006 Specification for the heavy alloy structural steel forgings
JB/T 8853 Reduction cylindrical gear units
3 Type and basic parameters
3.1 Type
The types of mill are shown in Figures 1 and 2, in which the specific structure is not specified.
Foreword i
1 Scope
2 Normative references
3 Type and basic parameters
3.1 Type
3.2 Model
3.3 Basic parameters
4 Technical requirements
4.1 Basic requirements
4.2 Complete machine performance requirements
4.3 Safety requirements
4.4 Requirements for main parts and components
4.5 Technical requirements for assembly
4.6 Electric control
4.7 Requirements for trial run
4.8 Painting
5 Test methods
6 Inspection rules
6.1 Inspection classification
6.2 End-of-manufacturing inspection
6.3 Type inspection
7 Marking, packaging, transportation and storage
Figure 1 Wet overflow limestone ball mill for desulfurization
Figure 2 Wet grate limestone ball mill for desulfurization
Table 1 Basic parameters of wet overflow limestone ball mill for desulphurization
Table 2 Basic parameters of wet grate limestone ball mill for desulphurization
Table 3 Radial runout and axial swing tolerance of end cover
Table 4 End surface swing tolerance
Table 5 Backlash in circular tooth of main and pinion gears
1 Scope
This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of limestone wet ball mill for desulphurization.
This standard is applicable to wet ball mill (hereinafter referred to as mill) used in flue gas desulphurization pulping system for grinding limestones of different hardness.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1174-1992 Cast bearing metals
GB/T 1348-2009 Spheroidal graphite iron castings
GB/T 3768 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane
GB 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements
GB/T 7233.1-2009 Steel castings - Ultrasonic examination - Part 1: Steel castings for general purposes
GB/T 9439-2010 Grey iron castings
GB/T 9444-2007 Magnetic particle testing for steel castings
GB/T 10095.1-2008 Cylindrical gears - System of accuracy - Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
GB/T 10095.2-2008 Cylindrical gears - System of accuracy - Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information
GB/T 13306 Plates
GB/T 25706 Code of designations for mining machinery products
HG/T 20678 Specification on design of steel shell with liner
HGJ 229 Code for construction and acceptance of anticorrosive engineering or industrial equipment and pipeline
JB/T 5000.3-2007 Heavy mechanical general techniques and standards - Part 3: And standards welding
JB/T 5000.6-2007 Heavy mechanical general techniques and standards - Part 6: Steel castings
JB/T 5000.8 Heavy mechanical general techniques and standards - Part 8: Forging
JB/T 5000.9 Heavy mechanical general techniques and standards - Part 9: Cutting
JB/T 5000.12 Heavy mechanical general techniques and standards - Part 12: Paint
JB/T 5000.13 Heavy mechanical general techniques and standards - Part 13: Packing
JB/T 6396-2006 Specification for the heavy alloy structural steel forgings
JB/T 8853 Reduction cylindrical gear units
3 Type and basic parameters
3.1 Type
The types of mill are shown in Figures 1 and 2, in which the specific structure is not specified.
Contents of JB/T 10731-2017
Foreword i
1 Scope
2 Normative references
3 Type and basic parameters
3.1 Type
3.2 Model
3.3 Basic parameters
4 Technical requirements
4.1 Basic requirements
4.2 Complete machine performance requirements
4.3 Safety requirements
4.4 Requirements for main parts and components
4.5 Technical requirements for assembly
4.6 Electric control
4.7 Requirements for trial run
4.8 Painting
5 Test methods
6 Inspection rules
6.1 Inspection classification
6.2 End-of-manufacturing inspection
6.3 Type inspection
7 Marking, packaging, transportation and storage
Figure 1 Wet overflow limestone ball mill for desulfurization
Figure 2 Wet grate limestone ball mill for desulfurization
Table 1 Basic parameters of wet overflow limestone ball mill for desulphurization
Table 2 Basic parameters of wet grate limestone ball mill for desulphurization
Table 3 Radial runout and axial swing tolerance of end cover
Table 4 End surface swing tolerance
Table 5 Backlash in circular tooth of main and pinion gears