Safety technical conditions for continuous casting machines
1 Scope
This document specifies the safety requirements, safety measures, and verification requirements of continuous casting machine equipment during design, manufacture, assembly, transportation, installation, adjustment, commissioning, operation, maintenance, and shutdown. Besides, it specifies the key information for use of marking, alarm, delivery, and other steps during transportation, assembly, operation, and maintenance of continuous casting machine equipment.
This document is applicable to continuous casting machines such as slab billet, square billet, rectangular billet, special-shaped billet, round billet, and other similar equipment (such as horizontal continuous casting machines, continuous casting machines for endless rolling production lines, etc.).
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 2893 Safety colors
GB 2894 Safety signs and guideline for the use
GB 3096 Environmental quality standards 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
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machines - Part 1:General requirements
GB 6222 Safety code for gas of industrial enterprises
GB 7247.1 Safety of laser products - Part 1: Equipment classification and requirements
GB/T 8196-2018 Safety of machinery - Guards - General requirements for the design and construction of fixed and movable guards
GB/T 9969-2008 General principles for preparation of instructions for use of industrial products
GB 11291.1 Robots for industrial environments - Safety requirements - Part 1: Robot
GB 11291.2 Robots and robotic devices - Safety requirements for industrial robots - Part 2: Robot systems and integration
GB 12348 Emission standard for industrial enterprises noise at boundary
GB 12955-2008 Fire resistant doorsets
GB 13456 Discharge standard of water pollutants for iron and steel industry
GB/T 14574-2000 Acoustics - Declaration and verification of noise emission values of machinery and equipment
GB/T 15706 Safety of machinery - General principles for design - Risk assessment and risk reduction
GB/T 16273.1 Graphical symbols for use on equipment - Part 1: Common symbols
GB/T 16754-2021 Safety of machinery - Emergency stop function - Principles for design
GB 16796 Security alarm equipment - Safety requirements and test methods
GB/T 16855.1-2018 Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design
GB/T 16855.2 Safety of machinery - Safety-related parts of control systems - Part 2: Validation
GB 16912 Safety technical regulation for oxygen and relative gases produced with cryogenic method
GB 17820 Natural gas
GB 17859 Classified criteria for security protection of computer information system
GB/T 18209.1 Electrical safety of machinery - Indication, marking and actuation - Part 1: Requirements for visual, acoustic and tactile signals
GB/T 18209.2 Electrical safety of machinery - Indication, marking and actuation - Part 2: Requirements for marking
GB/T 18209.3 Electrical safety of machinery - Indication, marking and actuation - Part 3: Requirements for the location and operation of actuators
GB 18306 Seismic ground motion parameter zonation map of China
GB 18614 Fire extinguishing agent heptafluoropropane (HFC227ea)
GB/T 18831 Safety of machinery - Interlocking devices associated with guards - Principles for design and selection
GB/T 19670-2005 Safety of machinery - Prevention of unexpected start-up
GB 22337 Emission standard for community noise
GB 23821 Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs
GB 25972 Gas fire extinguishing systems and components
GB 28526 Electrical safety of machinery - Functional safety of safety-related electrical, electronic and programmable electronic control systems
GB 28664 Emission standard of air pollutants for steel smelt industry
GB 30871-2022 Safety specifications of special work in hazardous chemicals enterprises
GB/T 32818-2016 Metallurgical equipment - Terminology
GB 39800.1 Specification of the provision of personal protective equipment - Part 1: General requirement
GB 39800.3 Specifications for the provision of personal protective equipment - Part 3: Metallurgy, nonferrous metals
GB 50010 Code for design of concrete structures
GB 50011 Code for seismic design of buildings
GB 50016 Code for fire protection design of buildings
GB 50019-2015 Design code for heating ventilation and air conditioning of industrial buildings
GB 50030 Code for design of oxygen station
GB 50034-2013 Standard for lighting design of buildings
GB 50084 Code for design of sprinkler systems
GB 50116 Code for design of automatic fire alarm system
GB 50204 Code for acceptance of constructional quality of concrete structures
GB 50223-2008 Standard for classification of seismic protection of building constructions
GB 50370 Code for design of gas fire extinguishing systems
GB 50414 Standard for fire protection design of iron and steel metallurgy enterprises
GB 50580-2010 Design code for continuous casting engineering
GB 50974 Code of design on fire protection water supply and hydrant systems
AQ 2001-2018 Safety regulations for steel-making
AQ 2012 Safety specification for petroleum & gas
GBZ 2.1-2019 Occupational exposure limits for hazardous agents in the workplace - Part 1: Chemical hazardous agents
JB/T 12938.1-2016 Slab caster - Part 1: Terminology
ISO 7745: 2010 Hydraulic fluid power - Fire-resistant (FR) fluids - Requirements and guidelines for use
ISO 11202: 2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
ISO 12922: 2012 Lubricants, industrial oils and related products (class L) - Family H (Hydraulic systems) - Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU
ISO/IEC 29100: 2011 Information technology - Security techniques - Privacy framework
ISO/IEC 29101: 2013 Information technology - Security techniques - Privacy architecture framework
ISO/IEC 29134: 2017 Information technology - Security techniques - Guidelines for privacy impact assessment
ISO/IEC 29190: 2015 Information technology - Security techniques - Privacy capability assessment model
3 Terms and definitions
For the purpose of this document, the terms and definitions given in GB/T 32818-2016, JB/T 12938.1-2016 and the following apply.
3.1
casting platform
operation area for molten steel casting, continuous casting production, equipment installation, maintenance, and spot inspection, which is composed of steel structure or reinforced concrete
Note: The height of the casting platform shall match the height of the top surface of the mold of the continuous casting machine.
3.2
cutting system
mechatronic system for cutting the casting billet to a desired length
3.3
run-out-area
cooling bed and product collecting system
site for transporting, cooling, finishing, cleaning, grinding, collecting, and storing casting billets
4 Classification of continuous casting machine equipment and major hazards
4.1 Classification of continuous casting machine equipment
4.1.1 Casting platform equipment
The casting platform equipment consists of the following main single equipment:
a) Ladle transport supporting systems, such as ladle turrets, ladle cars, and auxiliary equipment;
b) Tundish and its related equipment, such as tundish supporting system (car or rotating table), tundish and immersed nozzle preheating system, molten steel sampling system, pneumatic sample delivery system, molten steel temperature measurement system, etc.;
c) Steel stream flow protection casting system for ladle and tundish to prevent secondary oxidation;
d) Ladle and tundish steel stream flow control system;
e) Ladle slag outflow detection system;
5 Safety requirements and measures
6 Verification requirements for safety requirements and measures
7 Information for use
Annex A
(Normative)
Safety requirements and measures for electrical equipment and control devices
Contents
Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of continuous casting machine equipment and major hazards
5 Safety requirements and measures
6 Verification requirements for safety requirements and measures
7 Information for use
Annex A (Normative) Safety requirements and measures for electrical equipment and control devices
Annex B (Normative) Noise test specification
Bibliography
