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NB/T 11436-2023: Flame-proof and safety-increasing resistance electric heater for mine
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 11436-2023 | English | 399 |
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Flame-proof and safety-increasing resistance electric heater for mine
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NB/T 11436-2023
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Basic data | Standard ID | NB/T 11436-2023 (NB/T11436-2023) | | Description (Translated English) | Flame-proof and safety-increasing resistance electric heater for mine | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D98 | | Classification of International Standard | 29.260.20 | | Word Count Estimation | 18,193 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-06-28 | | Issuing agency(ies) | National Energy Administration | NB/T 11436-2023: Flame-proof and safety-increasing resistance electric heater 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 11436-2023 English version. Flame-proof and safety-increasing resistance electric heater for mine
ICS 29.260.20
CCSD98
Energy Industry Standards of the People's Republic of China
Mine flameproof and increased safety resistance electric heater
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 1
5 Technical Requirements 2
6 Test methods 5
7 Inspection Rules 9
8 Marking, packaging, transportation and storage 10
Reference 12
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. China Coal Technology and Engineering Group Shenyang Research Institute Co., Ltd., Anhui Explosion-proof Electromechanical Industry Association, Fushun China Coal Technology and Engineering Inspection
Measurement Center Co., Ltd., Hebei Jingtai Mining Equipment Manufacturing Co., Ltd., Shenyang University of Technology, and Shandong University.
The main drafters of this document are. Qin Yan, Zhang Hongkui, Ju Zhe, Chen Qing, Yuan Ziyun, Zhang Yujia, Zhao Lanzhou, Qiao Yubo, Zu An, Yang Huasong,
Wang Yanhe, Qi Wenting, Liu Yajun, Zhang Yue, Liu Zhening, Yu Siyang, Jin Junjie, Zhao Chuan, Wang Yangyang, and Fan Zhiping.
Mine flameproof and increased safety resistance electric heater
1 Scope
This document specifies the product models and classifications, technical requirements, test methods, inspection and
Rules and marking, packaging, transportation and storage, etc.
This document applies to mine flameproof and increased safety resistance electric heaters (hereinafter referred to as "heating
design, manufacture, inspection and delivery of equipment.
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 2423.4 Environmental testing for electric and electronic products Part 2.Test method Test Db. Cyclic damp heat (12h 12h cycle)
GB/T 3836.1-2021 Explosive atmospheres Part 1.General requirements for equipment
GB/T 3836.2-2021 Explosive atmospheres Part 2.Equipment protected by flameproof enclosure "d"
GB/T 3836.3-2021 Explosive atmospheres Part 3.Equipment protected by increased safety "e"
GB/T 4208 Enclosure protection grade (IP code)
GB/T 9969 General principles for instructions for use of industrial products
GB/T 14048.1-2023 Low-voltage switchgear and controlgear Part 1.General
AQ1043 Mining Product Safety Signs and Labels
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Electric heater
An appliance that is equipped with a resistive heating element to convert electrical energy into heat energy and has a thermostat to control the temperature.
3.2
Thermostattemperaturecontroler
A temperature-sensitive device with a fixed or adjustable operating temperature that maintains the controlled temperature by automatically connecting or disconnecting the circuit during normal operation.
The temperature of the component is between certain limits.
4 Product models and categories
4.1 Model meaning
The meaning of the model numbers is as follows.
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