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JB/T 10731-2017   Limestone wet ball mill for desulphurization (English Version)
Standard No.: JB/T 10731-2017 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 6500 words Price(USD):190.0 remind me the price change

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Implemented on:2017-7-1 Delivery: via email in 1 business day
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Standard No.: JB/T 10731-2017
English Name: Limestone wet ball mill for desulphurization
Chinese Name: 脱硫用湿式石灰石球磨机
Professional Classification: JB    Professional Standard - Machinery
Issued by: Ministry of Industry and Information Technology
Issued on: 2017-01-09
Implemented on: 2017-7-1
Status: valid
Superseding:JB/T 10731-2007 Limestone wet ball mill for desulphurization
Language: English
File Format: PDF
Word Count: 6500 words
Price(USD): 190.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces JB/T 10731-2007 Limestone wet ball mill for desulphurization, with respect to which, the following main technical changes have been made: ——specifications and models are added; ——the materials and mechanical properties of main parts and components are adjusted; ——the magnetic particle testing requirements for key positions of main parts are added; ——safety requirements are added; ——the inspection rules are standardized and improved. This standard was proposed by China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee on Mining Machinery of Standardization Administration of China (SAC/TC 88). The previous edition of this standard is as follows: ——JB/T 10731-2007. Limestone wet ball mill for desulphurization 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. Figure 1 Wet overflow limestone ball mill for desulfurization   Figure 2 Wet grate limestone ball mill for desulfurization 3.2 Model The model designation of mill shall meet the requirements of GB/T 25706, as follows: Example 1: The wet overflow limestone ball mill for desulphurization with a cylinder diameter of 2,700mm and a cylinder length of 6,000mm is designated as: MST-2760 limestone wet ball mill for desulphurization Example 2: The wet grate limestone ball mill for desulphurization with a cylinder diameter of 2,700mm and a cylinder length of 5,500mm is designated as: MSGT-2755 limestone wet ball mill for desulphurization 3.3 Basic parameters The basic parameters of mill shall meet those specified in Tables 1 and 2. Table 1 Basic parameters of wet overflow limestone ball mill for desulphurization Model Cylinder diameter mm Cylinder length mm Effective volume of cylinder m3 Maximum ball load t Working speed r/min Power of main motor kW Ore discharge granularity μm Production capacity t/h Reference weight of machine t MST-1535 1500 3500 5.2 8 26.3~30.4 ≤75 ≤44 1~1.9 13.2 MST-1842 1800 4200 9.1 13 22.2~27.2 ≤110 2~3.5 32 MST-2150 2100 5000 15.1 22 22.2~25.2 ≤200 4~6.5 43 MST-2254 2200 5400 18.0 26 21.7~24.5 ≤280 6~8 52 MST-2458 2400 5800 23.2 34 20.8~23.5 ≤355 9~11 58 MST-2558 2500 5800 24.9 38 20.3~23.6 ≤400 10~12 60 MST-2760 2700 6000 30.4 44 19.6~22.2 ≤500 13~15 66 MST-2765 2700 6500 33.4 50 19.6~22.2 ≤560 14~17 70 MST-2965 2900 6500 38.33 55 18.9~21.4 ≤630 17~20 82 MST-2970 2900 7000 41.28 62 18.9~21.4 ≤710 19~21 85 MST-3264 3200 6400 46.45 66 18.0~20.4 ≤800 22~25 97 MST-3270 3200 7000 50.8 75 18.0~20.4 ≤900 24~28 100 MST-3280 3200 8000 58.1 85 18.0~20.4 ≤1000 27~30 102 MST-3480 3400 8000 65.96 94 17.4~20.2 ≤1120 33~37 110 MST-3675 3600 7500 69.7 100 17.0~19.2 ≤1250 36~40 131 MST-3680 3600 8000 74.35 110 17.0~19.2 ≤1400 38~44 134 MST-3685 3600 8500 79 117 17.0~19.2 ≤1600 40~48 137 MST-4080 4000 8000 92.65 133 16.1~18.6 ≤1800 50~57 162 MST-4085 4000 8500 98.4 145 16.1~18.6 ≤2000 57~61 172 MST-4090 4000 9000 104.23 155 16.1~18.6 ≤2100 60~65 179 Note 1: The reference weight of machine does not include the weight of main motor and reducer. Note 2: The production capacity in the table refers to the estimated value assuming that the grindability index of limestone is WiB=9~11, the feeding granularity is ≤20mm, the ore discharge granularity is ≤44μm, and the pass rate is 90%. Table 2 Basic parameters of wet grate limestone ball mill for desulphurization Model Cylinder diameter mm Cylinder length mm Effective volume of cylinder m3 Maximum ball load t Working speed r/min Power of main motor kW Ore discharge granularity μm Production capacity t/h Reference weight of machine t MSGT-1838 1800 3800 8.20 11 23.2~27.2 ≤110 ≤44 3 33 MSGT-2145 2100 4500 13.60 18 22.2~25.2 ≤200 5 44 MSGT-2245 2200 4500 18.16 24 21.7~24.5 ≤280 7 51 MSGT-2450 2400 5000 20.00 27 20.8~23.5 ≤380 10 57 MSGT-2755 2700 5500 27.86 37 19.6~22.2 ≤500 14 68 MSGT-2960 2900 6000 35.35 47 18.9~21.4 ≤630 18 80 MSGT-3268 3200 6800 49.30 66 18.0~20.4 ≤1000 27 110 MSGT-3675 3600 7500 68.80 92 17.0~19.2 ≤1400 40 135 Note 1: The reference weight of machine does not include the weight of main motor and reducer. Note 2: The production capacity in the table refers to the estimated value assuming that the grindability index of limestone is WiB=9~11, the feeding granularity is ≤20mm, the ore discharge granularity is ≤44μm, and the pass rate is 90%. 4 Technical requirements 4.1 Basic requirements 4.1.1 The mill shall meet the requirements of this standard and manufactured according to the drawings and technical documents approved by established procedure. 4.1.2 The technical requirements of raw materials, purchased parts and processing, assembly and installation not specified in this standard shall meet the requirements of national standards and relevant general professional standards. 4.1.3 Service conditions: ambient temperature: -5℃~40℃;working system: continuous. 4.1.4 The cutting parts, weldments, castings, forgings and painting of the mill shall comply with the requirements of JB/T 5000.9, JB/T 5000.3, JB/T 5000.6, JB/T 5000.8 and JB/T 5000.12 respectively. 4.1.5 The anti-corrosive treatment shall meet the requirements of HG/T 20678 and HGJ 229. 4.2 Complete machine performance requirements 4.2.1 The main technical parameters of the mill shall comply with the requirements of this standard and be applicable to the system process requirements. 4.2.2 The oil return temperature rise of the main bearing shall not exceed 15℃, and the maximum oil return temperature shall not exceed 55℃. 4.2.3 Dynamic and static pressure main bearings are recommended for mills with cylinder diameter greater than or equal to Φ2,400mm; rolling bearings may be adopted for mills with cylinder diameter less than Φ2,400mm. 4.2.4 The lubricating device of the mill shall operate reliably. If it is equipped with a lubricating station, the oil pump motor and the main motor shall be provided with electrical interlocking device which shall send a signal in case of fault in the lubricating system, so as to ensure that the main motor stops automatically; and alarm signal devices for oil temperature, oil pressure, oil volume and differential pressure shall be equipped. The lubricating system shall be equipped with safety devices such as safety valve, pressure gauge and thermometer. The inclination of the oil return pipeline shall not be less than 1:40.
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
Referred in JB/T 10731-2017:
*GB/T 1174-1992 Cast bearing metals
*GB/T 1348-2009 Spheroidal graphite iron castings
*GB/T 3768-2017 Acoustics―Determination of sound power levels and sound energy levels ofnoise sources using sound pressure―Survey method using an envelopingmeasurement surface over a reflecting plane
*GB 5226.1-2008 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 13306-2011 Plate
*GB/T 25706-2010 Code of designations for mining machinery products
*HG/T 20678-2000 Specification on Design of Steel Shell with Liner
*HGJ 229-1991 Construction and Acceptance Code for Anticorrosion Works for Industrial Equipment and Pipelines
*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 - Part6: Steel Castings
*JB/T 5000.8-2007 Heavy Mechanical General Techniques and Standards - Part 8: Forging
*JB/T 5000.9-2007 Heavy mechanical general techniques and standards-Part 9:Cutting
*JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint
*JB/T 5000.13-2007 Heavy mechanical general techniques and standards-Part 13:Packing
*JB/T 6396-2006 Specification for the Heavy Alloy Structural Steel Forgings
*JB/T 8853-2015 Reduction cylindrical gear units
Code of China
Standard
JB/T 10731-2017  Limestone wet ball mill for desulphurization (English Version)
Standard No.JB/T 10731-2017
Statusvalid
LanguageEnglish
File FormatPDF
Word Count6500 words
Price(USD)190.0
Implemented on2017-7-1
Deliveryvia email in 1 business day
Detail of JB/T 10731-2017
Standard No.
JB/T 10731-2017
English Name
Limestone wet ball mill for desulphurization
Chinese Name
脱硫用湿式石灰石球磨机
Chinese Classification
Professional Classification
JB
ICS Classification
Issued by
Ministry of Industry and Information Technology
Issued on
2017-01-09
Implemented on
2017-7-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
JB/T 10731-2007 Limestone wet ball mill for desulphurization
Language
English
File Format
PDF
Word Count
6500 words
Price(USD)
190.0
Keywords
JB/T 10731-2017, JB 10731-2017, JBT 10731-2017, JB/T10731-2017, JB/T 10731, JB/T10731, JB10731-2017, JB 10731, JB10731, JBT10731-2017, JBT 10731, JBT10731
Introduction of JB/T 10731-2017
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces JB/T 10731-2007 Limestone wet ball mill for desulphurization, with respect to which, the following main technical changes have been made: ——specifications and models are added; ——the materials and mechanical properties of main parts and components are adjusted; ——the magnetic particle testing requirements for key positions of main parts are added; ——safety requirements are added; ——the inspection rules are standardized and improved. This standard was proposed by China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee on Mining Machinery of Standardization Administration of China (SAC/TC 88). The previous edition of this standard is as follows: ——JB/T 10731-2007. Limestone wet ball mill for desulphurization 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. Figure 1 Wet overflow limestone ball mill for desulfurization   Figure 2 Wet grate limestone ball mill for desulfurization 3.2 Model The model designation of mill shall meet the requirements of GB/T 25706, as follows: Example 1: The wet overflow limestone ball mill for desulphurization with a cylinder diameter of 2,700mm and a cylinder length of 6,000mm is designated as: MST-2760 limestone wet ball mill for desulphurization Example 2: The wet grate limestone ball mill for desulphurization with a cylinder diameter of 2,700mm and a cylinder length of 5,500mm is designated as: MSGT-2755 limestone wet ball mill for desulphurization 3.3 Basic parameters The basic parameters of mill shall meet those specified in Tables 1 and 2. Table 1 Basic parameters of wet overflow limestone ball mill for desulphurization Model Cylinder diameter mm Cylinder length mm Effective volume of cylinder m3 Maximum ball load t Working speed r/min Power of main motor kW Ore discharge granularity μm Production capacity t/h Reference weight of machine t MST-1535 1500 3500 5.2 8 26.3~30.4 ≤75 ≤44 1~1.9 13.2 MST-1842 1800 4200 9.1 13 22.2~27.2 ≤110 2~3.5 32 MST-2150 2100 5000 15.1 22 22.2~25.2 ≤200 4~6.5 43 MST-2254 2200 5400 18.0 26 21.7~24.5 ≤280 6~8 52 MST-2458 2400 5800 23.2 34 20.8~23.5 ≤355 9~11 58 MST-2558 2500 5800 24.9 38 20.3~23.6 ≤400 10~12 60 MST-2760 2700 6000 30.4 44 19.6~22.2 ≤500 13~15 66 MST-2765 2700 6500 33.4 50 19.6~22.2 ≤560 14~17 70 MST-2965 2900 6500 38.33 55 18.9~21.4 ≤630 17~20 82 MST-2970 2900 7000 41.28 62 18.9~21.4 ≤710 19~21 85 MST-3264 3200 6400 46.45 66 18.0~20.4 ≤800 22~25 97 MST-3270 3200 7000 50.8 75 18.0~20.4 ≤900 24~28 100 MST-3280 3200 8000 58.1 85 18.0~20.4 ≤1000 27~30 102 MST-3480 3400 8000 65.96 94 17.4~20.2 ≤1120 33~37 110 MST-3675 3600 7500 69.7 100 17.0~19.2 ≤1250 36~40 131 MST-3680 3600 8000 74.35 110 17.0~19.2 ≤1400 38~44 134 MST-3685 3600 8500 79 117 17.0~19.2 ≤1600 40~48 137 MST-4080 4000 8000 92.65 133 16.1~18.6 ≤1800 50~57 162 MST-4085 4000 8500 98.4 145 16.1~18.6 ≤2000 57~61 172 MST-4090 4000 9000 104.23 155 16.1~18.6 ≤2100 60~65 179 Note 1: The reference weight of machine does not include the weight of main motor and reducer. Note 2: The production capacity in the table refers to the estimated value assuming that the grindability index of limestone is WiB=9~11, the feeding granularity is ≤20mm, the ore discharge granularity is ≤44μm, and the pass rate is 90%. Table 2 Basic parameters of wet grate limestone ball mill for desulphurization Model Cylinder diameter mm Cylinder length mm Effective volume of cylinder m3 Maximum ball load t Working speed r/min Power of main motor kW Ore discharge granularity μm Production capacity t/h Reference weight of machine t MSGT-1838 1800 3800 8.20 11 23.2~27.2 ≤110 ≤44 3 33 MSGT-2145 2100 4500 13.60 18 22.2~25.2 ≤200 5 44 MSGT-2245 2200 4500 18.16 24 21.7~24.5 ≤280 7 51 MSGT-2450 2400 5000 20.00 27 20.8~23.5 ≤380 10 57 MSGT-2755 2700 5500 27.86 37 19.6~22.2 ≤500 14 68 MSGT-2960 2900 6000 35.35 47 18.9~21.4 ≤630 18 80 MSGT-3268 3200 6800 49.30 66 18.0~20.4 ≤1000 27 110 MSGT-3675 3600 7500 68.80 92 17.0~19.2 ≤1400 40 135 Note 1: The reference weight of machine does not include the weight of main motor and reducer. Note 2: The production capacity in the table refers to the estimated value assuming that the grindability index of limestone is WiB=9~11, the feeding granularity is ≤20mm, the ore discharge granularity is ≤44μm, and the pass rate is 90%. 4 Technical requirements 4.1 Basic requirements 4.1.1 The mill shall meet the requirements of this standard and manufactured according to the drawings and technical documents approved by established procedure. 4.1.2 The technical requirements of raw materials, purchased parts and processing, assembly and installation not specified in this standard shall meet the requirements of national standards and relevant general professional standards. 4.1.3 Service conditions: ambient temperature: -5℃~40℃;working system: continuous. 4.1.4 The cutting parts, weldments, castings, forgings and painting of the mill shall comply with the requirements of JB/T 5000.9, JB/T 5000.3, JB/T 5000.6, JB/T 5000.8 and JB/T 5000.12 respectively. 4.1.5 The anti-corrosive treatment shall meet the requirements of HG/T 20678 and HGJ 229. 4.2 Complete machine performance requirements 4.2.1 The main technical parameters of the mill shall comply with the requirements of this standard and be applicable to the system process requirements. 4.2.2 The oil return temperature rise of the main bearing shall not exceed 15℃, and the maximum oil return temperature shall not exceed 55℃. 4.2.3 Dynamic and static pressure main bearings are recommended for mills with cylinder diameter greater than or equal to Φ2,400mm; rolling bearings may be adopted for mills with cylinder diameter less than Φ2,400mm. 4.2.4 The lubricating device of the mill shall operate reliably. If it is equipped with a lubricating station, the oil pump motor and the main motor shall be provided with electrical interlocking device which shall send a signal in case of fault in the lubricating system, so as to ensure that the main motor stops automatically; and alarm signal devices for oil temperature, oil pressure, oil volume and differential pressure shall be equipped. The lubricating system shall be equipped with safety devices such as safety valve, pressure gauge and thermometer. The inclination of the oil return pipeline shall not be less than 1:40.
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
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Keywords:
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