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GB/T 45682-2025: Type selection test method of mine high-pressure grinding roll
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Type selection test method of mine high-pressure grinding roll
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Basic data | Standard ID | GB/T 45682-2025 (GB/T45682-2025) | | Description (Translated English) | Type selection test method of mine high-pressure grinding roll | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D94 | | Classification of International Standard | 73.120 | | Word Count Estimation | 18,173 | | Date of Issue | 2025-05-30 | | Date of Implementation | 2025-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45682-2025: Type selection test method of mine high-pressure grinding roll---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 73.120
CCSD94
National Standard of the People's Republic of China
Selection test method of high pressure grinding roller for mining
Released on 2025-05-30
2025-12-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test conditions 2
5 Test equipment and instruments 2
6 Test content and procedures 3
7 Experimental data processing 4
8 Test Report 5
Appendix A (Informative) Mill Test Result Data Table 6
Table A.1 Feed Particle Size Analysis Data Table 6
Table A.2 High Pressure Roller Grinding Open Circuit Test Data Results Table 7
Table A.3 Analysis results of particle size of center and edge materials of open circuit test products of high pressure roller mill
Table A.4 Closed circuit test results table 8
Table A.5 Closed circuit test product particle size analysis table 9
Table A.6 Particle size analysis results of closed-circuit stable qualified products Table 10
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Mining Machinery (SAC/TC88).
This document was drafted by. Luoyang Mining Machinery Engineering Design and Research Institute Co., Ltd., Zhejiang Mining Machinery Co., Ltd., CITIC Heavy Industries
Machinery Co., Ltd., Chengdu Lijun Industrial Co., Ltd., Shenyang Jianzhu University, Shenyang Shengshi Wuhuan Technology Co., Ltd., Xingan County Xin
Heng Mining Co., Ltd. and Luoyang Zhengfangyuan Heavy Mining Machinery Inspection Technology Co., Ltd.
The main drafters of this document are. Yang Jichang, Pan Weining, Xu Ting, Chen Xueting, Tong Lijuan, Deng Fengquan, Ren Yunpeng, Feng Quan, Xiang Qiuping, Wang Yazhen,
Dai Sujiang, Li Feier, Liu Chuanwen, Sun Jian, Li Xiangjun, He Xin.
Selection test method of high pressure grinding roller for mining
1 Scope
This document specifies the test conditions, test equipment and instruments, test content and procedures, test methods and procedures for the selection test of high pressure roller grinding mill for mining.
Data processing and test report.
This document is applicable to the selection test of high pressure roller mill in the closed circuit screening process of high pressure roller mill in the mining grinding process.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
DZ/T 0118-1994 Technical requirements for laboratory standard sieve oscillators
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Extrusion roller extrudedroler
The main components of testing machines or industrial machines.
3.2
The linear speed of the outer circle of the extrusion roller.
Note. The unit is meter per second (m/s).
3.3
The thrust per unit cross-sectional area applied by the hydraulic cylinder of the hydraulic station to the squeeze roller of the testing machine or industrial machine when it is running.
Note. The unit is Newton per square millimeter (N/mm2).
3.4
The mass of ore passing through per hour when the test machine or industrial machine is running.
Note. The unit is tons per hour (t/h).
3.5
When the ore material is running on the test machine or industrial machine, the unit extrusion roller diameter, unit extrusion roller width and unit extrusion roller linear speed are calculated.
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