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GB 43049-2023 English PDF (GB43049-2023)

GB 43049-2023 English PDF (GB43049-2023)

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GB 43049-2023: Safety technical conditions for continuous casting machines
GB 43049-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.180
CCS H 93
Safety technical conditions for continuous casting machines
ISSUED ON: SEPTEMBER 08, 2023
IMPLEMENTED ON: OCTOBER 01, 2024
Issued by: State Administration for Market Regulation;
National Standardization Administration.
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 9
4 Classification of continuous casting equipment and major hazards ... 12
4.1 Classification of continuous casting equipment ... 12
4.2 Major hazards ... 15
5 Safety requirements and safety measures ... 16
5.1 Overview ... 16
5.2 Major hazards, hazardous conditions, safety requirements and/or measures list ... 38
5.3 Special safety requirements or measures ... 51
5.4 Noise requirements ... 52
6 Verification requirements for safety requirements and safety measures ... 54
7 Usage information ... 54
7.1 Signs and alarm devices ... 54
7.2 Documents delivered with the continuous casting machine ... 54
7.3 Minimum required markings ... 59
7.4 Personnel training ... 60
Appendix A (Normative) Safety requirements and measures for electrical equipment
and control devices ... 61
A.1 General requirements ... 61
A.2 Special requirements for control devices ... 61
A.3 Special requirements for equipment shutdown ... 62
Appendix B (Normative) Noise test specification ... 68
B.1 Basic requirements ... 68
B.2 Determination of sound power level ... 69
B.3 Determination of emission sound pressure level ... 69
B.4 Measurement uncertainty ... 75
B.5 Operating conditions ... 75
B.6 Information to be recorded and reported ... 76
B.7 Publication and verification of noise emission values ... 76
References ... 78
Safety technical conditions for continuous casting machines
1 Scope
This document specifies the safety requirements, safety measures, verification
requirements for continuous casting equipment, during design, manufacturing,
assembly, transportation, installation, adjustment, commissioning, operation,
maintenance, shutdown. It also specifies the key use information of signs, alarms,
delivery and other steps of continuous casting equipment, during transportation,
assembly, operation, maintenance.
This document is applicable to continuous casting machines such as slab billets, square
billets, rectangular billets, special-shaped billets, round billets, and other similar
equipment (such as horizontal continuous casting machines, continuous casting
machines for headless rolling production lines, etc.).
2 Normative references
The contents of the following documents constitute the essential terms of this document
through normative references in the text. Among them, for dated references, only the
version corresponding to that date applies to this standard; for undated references, the
latest version (including all amendments) applies to this document.
GB 2893 Safety colors
GB 2894 Safety signs and guideline for the use
GB 3096 Environmental quality standard for noise
GB 4053.1 Safety requirements for fixed steel ladders and platform - Part 1: Steel
vertical ladders
GB 4053.2 Safety requirements for fixed steel ladders and platform - Part 2: Steel
inclined ladders
GB 4053.3 Safety requirements for fixed steel ladders and platform - Part 3:
Industrial guardrails and steel platform
GB 4943.1 Information technology equipment - Safety - Part 1: General
requirements
GB 5083 General rules for designing the production facilities in accordance with
safety and health requirements
5 Safety requirements and safety measures
5.1 Overview
5.1.1 General requirements
5.1.1.1 Basic conditions
The basic conditions for safety requirements are as follows.
a) This document requires that the continuous casting machine is operated in the
design environment of GB 50010, GB 50016, GB 50116. The lighting of the
continuous casting workshop shall comply with the provisions of 5.4 of GB
50034-2013; the indoor lighting shall refer to GB/T 26189. The ventilation, dust
removal and harmful gas purification, noise reduction and vibration isolation,
insulation and corrosion protection of the continuous casting workshop shall
comply with the provisions of Chapter 6, Chapter 7, Chapter 12, Chapter 13,
Appendix of GB 50019-2015.
b) The supplier of the continuous casting machine shall design and manufacture the
continuous casting production equipment safely, in accordance with this
document, GB 5083, relevant mechanical safety standards such as GB/T 20850.
Among them, the steel straight ladder, steel inclined ladder, industrial protective
railing and steel platform shall comply with GB 4053.1, GB 4053.2, GB 4053.3,
respectively.
c) This document shall take into account local regulations on lighting, which may
differ from the requirements of some local regulations.
d) The factory where the continuous casting machine is located shall establish the
safety production rules, implementation rules, operating procedures for the
continuous casting machine, in accordance with this document, the supplier's
equipment manual, GB 4943.1, with reference to GB/T 30574, GB/T 33000,
GB/T 33222, etc. Conduct standardized safety production education, training and
quantitative assessment for all employees involved in the operation and
maintenance of the continuous casting machine, technology development, test
and research, logistics operation, marketing, factory management, etc.
e) Implement the safety production responsibility system; clarify the responsible
personnel, scope of responsibility, assessment criteria, supervision measures of
each position.
f) Establish a safety officer system. The safety officer of the continuous casting plant
shall be familiar with this document; be proficient in the safety production
implementation rules of the continuous casting machine formulated according to
this document, the supplier's equipment manual and other safety production
standards; conduct a full process investigation of safety risks during the
production and maintenance of the continuous casting machine; pay attention to
discovering and collecting and summarizing safety incidents not covered by
various safety regulations.
g) Safety education shall be conducted for all types of personnel who temporarily
enter the continuous casting plant; precautions and safety responsibilities shall be
clarified.
h) This document assumes that the continuous casting equipment is operated and
maintained by trained and competent personnel, as shown in 7.4. Manual
intervention for setting, adjustment and maintenance is part of the intended use
of the continuous casting equipment.
i) Strengthen the scientific and technological research on the safe production of
continuous casting machines and the promotion and application of advanced safe
production technologies; continuously improve the safe production level of
continuous casting machines.
5.1.1.2 Summary of this document
The continuous casting machine that complies with this document shall comply with
the safety requirements and safety measures specified in this document.
In the use information, the supplier shall provide all the detailed information necessary
for the safe operation process of the continuous casting machine under normal operating
conditions. The supplier shall also describe specific safety measures under special
operat...
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