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GB/T 35976-2018Strip finishing and processing equipment - Safety requirements (English PDF)

板带精整与表面处理装备安全技术条件

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Issued by

AQSIQ; SAC

Level / Type

National · Recommended

Issue date

February 6, 2018

Implementation date

September 1, 2018

Scope

GB/T 35976-2018 is the English-translated version of 板带精整与表面处理装备安全技术条件.

China's national safety standard for strip finishing and processing lines. It specifies the terms and definitions, the equipment composition, the major hazard list and the safety requirements and measures, beginning with the overall design requirements. A strip processing line - a pickling line, an annealing line, a coating line, a slitting or cut-to-length line - is several hundred metres of machinery through which steel strip runs continuously at speeds up to several hundred metres a minute. The hazards are those of any large machine plus one that is specific: the strip itself. It is a moving blade under tension, thin enough to cut anyone who touches it, and when it breaks it releases that tension violently along the whole line. Add the entry and exit sections where coils are handled and strip ends are welded together, the acid in a pickling line and the zinc pot in a galvanising line, and the result is a machine whose safety case has to be built hazard by hazard, which is what this standard does.

Document preview — GB/T 35976-2018

National Standard of the People's Republic of China

ICS: 77.180
Classification: H 94

Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and definitions
4 Table
5 Major Hazard Table 4
6 Safety requirements and/or measures 5
6.1 Overall Design Requirements 5
6.1.1 Description 5
6.1.2 Structural components 5
6.1.3 Security Layout 5
6.1.4 Entry of the production line 6
6.1.5 Protection 7
6.1.6 Protective fence 7
6.1.7 Safety signs and alarm devices 7
6.1.8 Safety related control system 7
6.1.9 Personal Protective Equipment (PPE) 8
6.1.10 Electrical equipment 8
6.1.11 Hydraulic, pneumatic, cooling and lubrication systems 8
6.1.12 Fluid system for transporting or storing liquids 9
6.1.13 Substances discharged into the drainage ditch 9
6.1.14 Ergonomic principles 9
6.1.15 Surface temperature and heat radiation 9
6.1.16 Fire 9
6.1.17 Vibration 9
6.1.18 Maintenance of equipment containing hazardous materials 9
6.1.19 Public and auxiliary equipment 10
6.1.20 High voltage static protection 10
6.1.21 Protection against ionizing radiation 10
6.1.22 Local illumination and interference light obstruction 10
6.1.23 Safety explosion protection of continuous annealing furnace 10
6.1.24 Safety measures for flying shear adjustment 11
6.1.25 Process interlocking of cutting shears, disc shears, flying shears, etc. 11
6.2.1 General 11
6.2.2 Hydraulic and pneumatic equipment 12
6.2.3 Overpass, bridge and guiding system 14
6.2.4 Control room 15
6.2.5 Strip transport and transfer equipment 16
6.2.6 Unwinding equipment 17
6.2.7 Shears and waste or sample transfer equipment 18
6.2.8 Strip guiding and conveying equipment 19
6.2.9 Strip looper 20
6.2.10 Strip guiding system 21
6.2.11 Strip inspection table 22
6.2.12 Take-up equipment 23
6.2.13 Strip splicing system 23
6.2.14 Oiling system 25
6.2.15 Measuring equipment and display devices 26
6.2.16 Strip printing equipment 27
6.2.17 Packing equipment such as balers, hoists, walking beams, etc. 29
6.3.1 General description 30
6.3.2 Hydraulic and pneumatic equipment 30
6.3.3 Overpass, bridge and guiding system 30
6.3.4 Control room 30
6.3.5 Slitting equipment 30
6.3.6 Multi-roller multi-plate straightening machine 32
6.3.7 Fixed-length cross-cutting equipment 32
6.3.8 Collecting stacking equipment 33
6.3.9 Annealing furnace 34
6.3.10 Leveling machine and/or finishing machine 35
6.3.11 Pickling equipment 36
6.3.12 Pretreatment equipment 39
6.3.13 Hot dip equipment 42
6.3.14 Electroplating equipment 50
6.3.15 Stretch Straightener 53
6.3.16 Roll coating organic coating equipment 53
6.3.17 Chemical post-treatment equipment 55
6.4 Special safety requirements or measures 58
6.4.1 General 59
6.4.2 Jog control device 59
6.4.3 Mechanical restraint device 59
6.4.4 Inspection of the strips 59
6.5 Noise reduction for safety requirements 59
6.5.1 Design source noise reduction 59
6.5.2 Noise reduction by protective measures 60
6.5.3 Noise reduction by information 60
6.5.4 Examples of noise sources and noise reduction measures 60
7 Verification of safety requirements and/or measures 62
8 Use information 62
8.1 Safety signs and alarms 62
8.2 Mark 62
8.3 Guidebook 62
8.3.1 Overview 62
8.3.2 Identification information 62
8.3.3 Details/Description 63
8.3.4 Operation 63
8.4 Maintenance Manual
11 Table
13 Table
14 Table
15 Table
16 Table
17 Table
18 Table
19 Table

Foreword

Preface VII Introduction VIII

1 Scope

This standard specifies the personnel of the strip finishing and processing line during equipment design, assembly, transportation, commissioning, operation, maintenance and scrapping. Safety requirements and safety measures to be taken. This standard applies to equipment design, assembly, transportation, commissioning, operation, maintenance and scrapping of sheet metal strip finishing and processing lines. This standard Applicable to the strip finishing and processing line equipment manufactured prior to the release of this standard.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 1251.1 ergonomic hazard signal hazard signals in public places and work areas

GB/T 2893.1 Graphical symbols - Safety colours and safety signs - Part 1. Design principles for safety and safety markings

GB 5226.1-2008 Mechanical electrical safety machinery and electrical equipment - Part 1. General technical conditions

GB 7247.1 Safety of laser products - Part 1. Equipment classification, requirements

GB/T 7247.4 Safety of laser products - Part 4. Laser screens

GB/T 8196 Mechanical safety guards - General requirements for design and manufacture of fixed and movable guards

GB 11291.1 Safety requirements for robots for industrial environments - Part 1

GB/T 12265.3 Mechanical safety to avoid the minimum spacing of various parts of the human body

GB/T 15706-2012 Mechanical Safety Design General Risk Assessment and Risk Reduction

GB 16297 Integrated emission standards for atmospheric pollutants

GB/T 16754-2008 Mechanical safety emergency stop design principle

GB/T 16855.1-2008 Safety of machinery - Safety systems - Part 1 . General rules

GB/T 16856 Mechanical Safety Risk Assessment Implementation Guide and Method Examples

3 Terms and definitions

The following terms and definitions as defined in GB/T 15706-2012 apply to this document.

3.1 Strip finishing and processing line stripfinishingandprocessingline Cross-cutting, slitting, rewinding and tensioning, leveling, pickling, annealing, etc. for processing strip dimensions, treating surfaces and/or improving strip properties The general term for a coated production line.

3.2 Head equipment terminalequipments Entry segment equipment entrysectionequipments The general term for loading, unwinding, opening, straightening, cutting, welding, looping and other equipment, including auxiliary equipment such as hydraulic and pneumatic device.

3.3 Tail equipment terminalequipments Export segment equipment exitsectionequipments The general name for exporting loopers, tensioning devices, inspection, oiling, slitting, steering, coiling, unwinding, etc., and related auxiliary equipment Equipment such as hydraulic and pneumatic equipment.

3.4 Finishing and processing equipment finishingandprocessingequipments Processing equipment with dimensions, handling surfaces and/or equipment to improve product performance.

3.5 Plating section Different number of plating tank devices in the processing line of the electroplating line.

3.6 Security layout safetylayout Description of the safety functions of the equipment associated with the production line, which should ensure the safe operation of the strip finishing and processing lines, avoiding danger or Dangerous situation.

3.7 Contact take-overpoint Bridge cranes or other transportation systems where the coils are stored or removed.

3.8 Product Metal strip to be treated.

3.9 Coil coil Wrapped in a rolled metal strip.

3.10 Broken belt cobbling The strip is broken by an abnormal production process condition, causing the strip to leave the predetermined line.

3.11 Control room pulpit The station in which the equipment or production line is located and the room in which the monitoring facility is located.

3.12 Console/rack controlingstand Free standing console near the equipment.

3.13 Maintenance maintenance Strip finishing and handling, inspection and repair of all equipment on the production line.

4 Table

2 Major hazards, hazardous conditions, safety requirements and/or measures for the head and tail equipment of the production line

6.1.25 Process interlocking of cutting shears, disc shears, flying shears, etc. 11

6.2 Major hazards, hazardous conditions, safety requirements and/or measures for the head and tail equipment of the production line 11

6.2.17 Packing equipment such as balers, hoists, walking beams, etc. 29

6.3 Major hazards, hazardous conditions, safety requirements and/or measures for finishing and handling equipment 30

8.4 Maintenance Manual

64 Appendix A (informative) Typical solution 65 A.1 Operating Mode Example 65 A.2 Mobile Platform 66 A.3 Walkway Protection Example 1 66 A.4 Walkway Protection Example 2 67 A.5 Checker (horizontal) protection example 67 A.6 Example of an inspection table with door, protection lock and top cover protection 68 A.7 Plating section example 68 A.8 Electroplating production line diagram view 69 A.9 flange cover example 69 A.10 Example of reverse rotation when applying roller cleaning

70 Appendix B (Normative) Safety requirements and/or measures for electrical equipment 71 B.1 Overview 71 B.2 Special requirements for control systems 71 B.3 Special requirements for parking 71 B.3.1 Stop function/emergency stop function 71 B.3.2 Specific hazards of mechanical equipment 72 B.3.3 Selection of stop function 72 B.3.4 Emergency stop area 72 B.3.5 Stop function

72 Appendix C (informative) Example of manufacturer's maintenance safety procedures for strip finishing and processing line 74 C.1 Lack of procedures for danger 74 C.2 Danger of visual and auditory inspection of equipment in motion 74 C.3 Danger caused by accidental movement during maintenance 74 C.4 Danger of work when the protective measures are disabled during the stop period 74 C.5 Dangers caused by the use of hazardous substances 75 C.6 Hazards from factory restarts

76 Figure A.1 Example of Operating Modes

65 Figure A.2 Mobile Platform

66 Figure A.3 Example of aisle protection 1

66 Figure A.4 Example of aisle protection 2

67 Figure A.5 Checklist (horizontal) protection example

67 Figure A.6 Example of an inspection table with door, protection lock and top cover protection

68 Figure A.7 Example of plating section

68 Figure A.8 Graphical view of the plating line

69 Figure A.9 Example of flange cover

69 Figure A.10 Example of reverse rotation when applying roller cleaning

1 Schematic diagram of the composition of the strip finishing and processing production line Table

11 Table

3 Major hazards, hazardous conditions, safety requirements and/or measures for hydraulic and pneumatic equipment

13 Table

4 Major hazards, hazardous conditions, safety requirements and/or measures for production line flyovers, bridges and guiding systems

14 Table

5 Major hazards, hazardous conditions, safety requirements and/or measures for the production line control room

15 Table

6 Major hazards, hazardous conditions, safety requirements and/or measures for production line strip transport and transfer equipment

16 Table

7 Major hazards, hazardous conditions, safety requirements and/or measures for the unwinding equipment of the production line

17 Table

8 Significant hazards, hazardous conditions, safety requirements and/or measures for line shears and waste or sample transfer equipment

18 Table

9 Major hazards, hazardous conditions, safety requirements and/or measures for production line strip guiding and conveying equipment

19 Table

10 Significant hazards, hazardous conditions, safety requirements and/or measures for the production of live strips Table

11 Major hazards, hazardous conditions, safety requirements and/or measures for the production line strip guiding system

12 Major hazards, hazardous conditions, safety requirements and/or measures for the production line strip inspection table

13 Major hazards, hazardous conditions, safety requirements and/or measures for the production line take-up equipment

14 Major hazards, hazardous conditions, safety requirements and/or measures for production line welders

15 Major hazards, hazardous conditions, safety requirements and/or measures for the production line sewing machine

16 Major hazards, hazardous conditions, safety requirements and/or measures for the production line oil system

17 Major hazards, hazardous conditions, safety requirements and/or measures for production line measuring equipment and display devices

18 Major hazards, hazardous conditions, safety requirements and/or measures for line inkjet printers

19 Significant hazards, hazardous conditions, safety requirements and/or measures for the coding equipment of the tinned wire of the production line

20 Significant hazards, hazardous conditions, safety requirements and/or measures for the coding equipment of the production line coils

21 Major hazards, hazardous conditions, safety requirements and/or measures for packaging equipment such as balers, hoists, walking beams, etc.

22 Major hazards, hazardous conditions, safety requirements and/or measures for production line slitting equipment

23 Major hazards, hazardous conditions, safety requirements and/or measures for the production line multi-roller multi-plate straightening machine

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 145 pages — is available in the English PDF.

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