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GB/T 41994-2022Industrial furnace and associated processing equipment - Safety requirements for machinery and equipment for production of steel by electric arc furnaces (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 41994-2022 (Industrial furnace and associated processing equipment - Safety requirements for machinery and equipment for production of steel by electric arc furnaces) is available as an English-translated PDF.

GB/T 41994-2022 is the Chinese standard "Industrial furnace and associated processing equipment - Safety requirements for machinery and equipment for production of steel by electric arc furnaces".

Its scope clause reads: This document specifies general safety requirements for electric arc furnace (EAF) steelmaking without radioactive material. Note. Radioactive substances are tested before entering the steel plant.

This document addresses the significant hazards, hazardous situations and hazardous events listed in Table 1 associated with EAF, when When used under long-term conditions, it also includes foreseeable failures and failures during misuse.

This document specifies guidelines for the integration of equipment and equipment in the production process. This document specifies the requirements for the safety of personnel during the design, transport, assembly, commissioning, operation, maintenance and decommissioning of equipment.

This document assumes that the equipment is operated and maintained by adequately trained personnel, with manual setup, adjustment and maintenance as part of the normal use of the equipment. part.

This document applies to the following equipment (see Table B.1 and Table B.2 of Appendix B, Figure C.1 and Figure C.2 of Appendix C). --- Alternating current (AC) technology EAF; --- Direct current (DC) technology EAF; ---Scrap preheating technology; --- Associated equipment, devices (such as inert gas stirring, carbon and oxygen injection systems).

This document does not apply to the following devices. --- Induction furnace; --- Resistance EAF (such as submerged arc furnace); --- Electron beam furnace; ---Plasma furnace; --- Other electric furnaces for secondary refining, such as ladle refining furnaces.

This document does not specify safety requirements for the following equipment, which may be an integral part or supplementary part of equipment within this scope. ---crane; --- Furnace shell spreader; ---Scrap steel basket, ladle, slag tank; --- Scrap baskets, ladles and slag tankers; ---Dust removal system; --- "kennel" and "elephant house" (furnace hoods for environmental reasons); --- Alloy system; ---Independent scrap drying equipment; --- Furnace transformers and high-voltage systems; --- Robots, manipulators (eg temperature measurement and sampling use).

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Document preview — GB/T 41994-2022

National Standard of the People's Republic of China

ICS: 25.180.10
Classification: K 61

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Abbreviations
5 Serious danger
6 Safety requirements and/or measures
6.1 General requirements
6.2 List of major hazards, hazardous situations, safety requirements and/or measures
7 Verification of safety requirements and/or measures
8 Usage information
8.1 General requirements
8.2 Warning devices and safety signs
8.3 Minimum marking
8.4 Accompanying Documents
8.5 Personnel training
Appendix A (normative) Noise Test Guidelines
Appendix B (informative) Equipment covered by this document
Appendix C (Informative) Example of Electric Arc Furnace

1 Scope

This document specifies general safety requirements for electric arc furnace (EAF) steelmaking without radioactive material.

Note. Radioactive substances are tested before entering the steel plant.

This document addresses the significant hazards, hazardous situations and hazardous events listed in Table 1 associated with EAF, when

When used under long-term conditions, it also includes foreseeable failures and failures during misuse.

This document specifies guidelines for the integration of equipment and equipment in the production process.

This document specifies the requirements for the safety of personnel during the design, transport, assembly, commissioning, operation, maintenance and decommissioning of equipment.

This document assumes that the equipment is operated and maintained by adequately trained personnel, with manual setup, adjustment and maintenance as part of the normal use of the equipment.

part.

This document applies to the following equipment (see Table B.1 and Table B.2 of Appendix B, Figure C.1 and Figure C.2 of Appendix C).

--- Alternating current (AC) technology EAF;

--- Direct current (DC) technology EAF;

---Scrap preheating technology;

--- Associated equipment, devices (such as inert gas stirring, carbon and oxygen injection systems).

This document does not apply to the following devices.

--- Induction furnace;

--- Resistance EAF (such as submerged arc furnace);

--- Electron beam furnace;

---Plasma furnace;

--- Other electric furnaces for secondary refining, such as ladle refining furnaces.

This document does not specify safety requirements for the following equipment, which may be an integral part or supplementary part of equipment within this scope.

---crane;

--- Furnace shell spreader;

---Scrap steel basket, ladle, slag tank;

--- Scrap baskets, ladles and slag tankers;

---Dust removal system;

--- "kennel" and "elephant house" (furnace hoods for environmental reasons);

--- Alloy system;

---Independent scrap drying equipment;

--- Furnace transformers and high-voltage systems;

--- Robots, manipulators (eg temperature measurement and sampling use).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to

GB/T 5959.41 | GB/T 37752.1 | GB/T 31137 | GB/T 40816.3 | GB/T 37752.6 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 57 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 45436-2025Code for technical upgrading of EAF process and equipment

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