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NB/T 11448-2023: Emulsion proportioning device for mine
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Emulsion proportioning device for mine
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NB/T 11448-2023
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Basic data | Standard ID | NB/T 11448-2023 (NB/T11448-2023) | | Description (Translated English) | Emulsion proportioning device for mine | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D98 | | Classification of International Standard | 29.260.20 | | Word Count Estimation | 18,127 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-06-28 | | Issuing agency(ies) | National Energy Administration | NB/T 11448-2023: Emulsion proportioning device for mine---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.
NB/T 11448-2023 English version. Emulsion proportioning device for mine
ICS 29.260.20
CCSD98
Energy Industry Standards of the People's Republic of China
Emulsion proportioning device for mining
Released on 2023-12-28
2024-06-28 Implementation
The National Energy Administration released
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Product models and categories 2
5 Technical Requirements 2
6 Test methods 5
7 Inspection Rules 8
8 Marking, packaging, transportation and storage 9
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 Coal Industry Association.
This document is under the jurisdiction of the Coal Industry Coal Mine Safety Standardization Technical Committee.
This document was drafted by. Fushun China Coal Technology and Engineering Testing Center Co., Ltd., Shanxi Keda Automation Co., Ltd., Tai'an Lufeng Electric
Technology Co., Ltd., China Coal Technology and Engineering Group Shenyang Research Institute Co., Ltd., and National Safety Marking Center for Mining Products Co., Ltd.
The main drafters of this document are. Ma Yunlong, Zou Xiaoxu, Ma Long, Zhang Qiulin, Shi Aiwen, Wang Zhongfeng, Liu Yiping, Qian Xu, Li Zhenxin, Liu Lili,
Luo Tienan, Li Zhe, Li Zhongqiang, Wu Yujing, Guo Changna, Xu Mingying, He Minggang.
Emulsion proportioning device for mining
1 Scope
This document specifies the product model and classification, technical requirements, test methods, inspection rules and markings, packaging
Packing, transportation and storage.
This document applies to emulsion proportioning devices (referred to as devices) used in workplaces such as underground coal mines.
2 Normative references
The contents of the following documents constitute the 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.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature
GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature
GB/T 2423.4-2008 Environmental testing for electric and electronic products Part 2.Test methods Test Db. Cyclic damp heat (12h
12h cycle)
GB/T 2423.5-2019 Environmental testing Part 2.Test method Test Ea and guidance. Impact
GB/T 2423.10-2019 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal)
GB/T 2829-2002 Periodic inspection sampling procedures and tables (applicable to the inspection of process stability)
GB/T 3836.1 Explosive atmospheres Part 1.General requirements for equipment
GB/T 3836.2 Explosive atmospheres Part 2.Equipment protected by flameproof enclosure "d"
GB/T 3836.3 Explosive atmospheres Part 3.Equipment protected by increased safety "e"
GB/T 3836.4 Explosive atmospheres Part 4.Equipment protected by intrinsic safety type "i"
GB/T 4208 Enclosure protection grade (IP code)
GB/T 9969 General principles for instructions for use of industrial products
GB/T 10111 Generation of random numbers and their application in product quality sampling inspection
GB/T 12173 General electrical equipment for mining
AQ1043 Mining Product Safety Signs and Labels
MT/T 210-1990 Basic test methods for electrical and electronic products used for communication, detection and control in coal mines
MT/T 899 Information transmission device for coal mines
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Emulsion Proportioning Device
A device for achieving emulsified concentration ratio.
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