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GB 15735-2012 English PDF

GB 15735-2012_English: PDF (GB15735-2012)
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BASIC DATA
Standard ID GB 15735-2012 (GB15735-2012)
Description (Translated English) Requirements for the safety and health in production process of metal heat treatment
Sector / Industry National Standard
Classification of Chinese Standard J36
Classification of International Standard 25.200
Word Count Estimation 14,116
Older Standard (superseded by this standard) GB 15735-2004
Quoted Standard GB 2893; GB 2894; GB 5083; GB 5959.1; GB 5959.3; GB 5959.4; GB 7231; GB/T 10067.3; GB/T 10067.4; GB/T 11651; GB/T 12801; GB/Y 15236; GB/T 27945.1; GB/T 27945.2; GB/T 27945.3; GB/T 27946; " dangerous Chemicals Regulations, " the State Council Order No. 591
Drafting Organization JF Eastern Thermal Technology Co., Ltd.
Administrative Organization National Standardization Technical Committee of heat treatment
Regulation (derived from) National Standards Bulletin No. 28 of 2012
Proposing organization National Standardization Technical Committee for Heat Treatment (SAC/TC 75)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Chinese standard specifies the heat treatment process safety, health general technical requirements. This standard applies to the production and heat treatment plant for the production of heat and heat treatment as well as production-related safety a

GB 15735-2012 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.200 J 36 Replacing GB 15735-2004 Requirements for the safety and health in production process of metal heat treatment ISSUED ON. NOVEMBER 05, 2012 IMPLEMENTED ON. JUNE 01, 2013 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3  1  Scope ... 5  2  Normative references ... 5  3  Terms and Definitions ... 6  4  Hazardous Factors and Harmful Factors in Heat Treatment Production ... 6  5  Heat Treatment Plant and Operating Environment ... 8  6  Production Materials and Waste Materials ... 10  7  Production Installation ... 11  8  Heat Treatment Processing Operation ... 15  9  Technical Measures of Safety and Health Protection ... 18  10  Management Measures of Safety and Health ... 20  Foreword All contents of this Standard are mandatory. This Standard is drafted according to rules given in GB/T 1.1-2009. This Standard replaces GB 15735-2004 Requirements for the Safety and Health in Production Process of Metal Heat Treatment. Compared with GB 15735-2004, the changes of main technical contents are as follows. — Some reference standards are added (see Chapter 2); — Contents in original Table 1 are modified; — Table 3, Table 4, Table 5 and Table 8 in the original standard are deleted; — Technical contents “5.1 Plant construction”, “5.2 Operating environment”, “6.2 Waste materials” are increased and modified; — “General requirements” are added in Chapter 7(see 7.1); — Some technical requirements in Chapter 7 are added and modified (see 7.2.1~7.2.10); — The original “7.2 Gas furnace and heavy oil furnace” is changed to be “7.3 Fuel furnace”; — Technical contents in “7.4 Salt bath furnace” are added and modified; — The original “Ion nitriding equipment” is changed to “Plasma heat treatment equipment” (see 7.6); — Open flash point temperature for working temperature of quenching oil and tempering oil are modified (see 7.9.3); — The original 7.10~7.14 are combined into “7.11 Auxiliary equipment for heat treatment”; and corresponding contents are added; — “8.3 Surface treatment” and “8.4 Chemical heat treatment” in the original standard are combined into “8.3 Surface heat treatment”; — 8.4.4~8.4.7 are added in “8.4 salt bath heat treatment”; — “Alignment” contents in original 8.7 are deleted; — “Confined space” and “equipment overhaul” are added (see 9.6, 9.7). This Standard was proposed and shall be under the jurisdiction of National Technical Committee on Heat Treatment of Standardization Administration of China (SAC/TC 75). Drafting organizations of this Standard. Jiangsu Fengdong Thermal Technology Co., Ltd., Beijing Research Institute of Mechanical and Electrical Technology, Nanjing Kerun Industrial Media Co., Ltd, and Tianjin Heat Treatment Institute Co., Ltd. Requirements for the Safety and Health in Production Process of Metal Heat Treatment 1 Scope This Standard specifies the general technical requirements for the safety and health in production process of heat treatment. This Standard is applicable to heat treatment production and production installation that are provided for heat treatment production and safety-health related to heat treatment production. 2 Normative references The articles contained in the following documents have become part of this document when they are quoted herein. For the dated documents so quoted, all the modifications (including all corrections) or revisions made thereafter shall be applicable to this document. GB 2893 Safety colours GB 2894 Safety signs and guideline for the use GB 5083 General rules for designing the production facilities in accordance with safety and health requirements GB 5959.1 Safety in electroheat installations - Part 1. General requirements GB 5959.3 Safety in electroheat installations - Part 3. Particular requirements for induction and conduction heating and induction melting installations GB 5959.4 Safety in electroheat installations - Part 4. Particular requirements for safety resistance heating installations GB 7231 Basic identification colors and code indications and safety sign for industrial pipelines GB/T 10067.3 Basic specifications for electroheat installations - Part 3. Induction electroheat installations GB/T 10067.4 Basic specifications for electroheat installations - Part 4. Indirect resistance furnaces GB/T 11651 Code of practice for selection of personal protective equipment GB/T 12801 General principles for the requirements of safety and health in production process GB/T 15236 Occupational safety and health glossary GB/T 27945.1 The management of hazardous solid wastes from heat treatment salt - Part 1. General management GB/T 27945.2 The management of hazardous solid wastes from heat treatment salts - Part 2. Test method of extractives GB/T 27945.3 The management of hazardous solid wastes from heat treatment salts - Part 3. Method of innocent treatment GB/T 27946 Limited value of hazardous substance in the air of heat treatment working place Regulations on Safety Management of Hazardous Chemicals No. 591 Decree of the State Council (Implemented on December 01, 2011) 3 Terms and Definitions The terms defined in GB/T 15236 AND the following terms and definitions are applicable to this document. 3.1 Hazardous factors Factors which can cause casualties or sudden damage to materials. 3.2 Harmful factors Factors which can affect people’s physical and psychological health, and cause diseases (including occupational disease) or cause chronic damage to materials. 3.3 Production materials Raw materials, materials, fuel, auxiliary materials and semi-finished products that are required in production. 3.4 Waste materials Excess materials in production process, and the waste caused in production process, including gaseous, liquid and solid materials. 3.5 Production installation Various labour information, such as equipment, facilities, tools and machines, instruments that are required in production. 4 Hazardous Factors and Harmful Factors in Heat Treatment Production 4.1 Common hazardous factors in heat treatment production Common hazardous factors in heat treatment production include flammable substances, explosive substances, toxic substances, high voltage, hot objects and corrosive substances, refrigerants, dropped objects or gushers, and restricted areas, etc. Their sources and hazard ratings are shown in Table 1. 5.1.2 Production installation foundation shall meet requirements of corresponding load-bearing and vibration. Underground water cannot be exuded from the ground. Sump is also set and automatic drainage device shall be increased in areas where flood easily happens. 5.1.3 The ground intensity shall meet load-bearing requirements of production organization, materials storage and transportation; the ground materials shall meet requirements of heat resistance, corrosion resistance and impact resistance. 5.1.4 The plant shall have enough height and skylight, and vent shall be set properly to meet requirements of ventilation and brightness. 5.1.5 Exhaust devices in the plant and areas which generate hazardous substances such as bath furnace, quenching tank, rinse tank and discharge outlet for waste gas burning shall have enough capacity of ventilation. 5.1.6 Induction equipment, laser beam, electron beam, plasma beam, shot blasting and sand blasting equipment shall be separated into independent areas and meet special requirements in hazardous work area. 5.1.7 Storage and placement area of hazardous chemical production materials such as liquid oxygen, liquefied petroleum gas, propane and butane must meet the “Regulations on the Control over Safety of Dangerous Chemicals” by the State Council. 5.1.8 The heating device and pit for oil-quenching tank shall be separated; wall surface and bottom of pit shall effectively adopt waterproofing and leakage measures; and drain pit shall be set in the pit bottom; automatic drainage device shall be set if necessary. At the same time, the wall surface of pit shall be laid with safety cover plate. 5.1.9 Transmission pipeline for hazardous raw materials gas including natural gas, liquefied petroleum gas, ammonia, propane, butane in the plant must be overhead along wall, maintain a certain safe distance, and laid steadily. 5.1.10 Lightning arrestor shall be set in the plant. 5.1.11 The plant shall be set with enough quantity of fire hydrants and fire extinction equipment; the safety evacuation exit shall meet requirements of personnel emergency evacuation and entrance of fire engine. 5.1.12 Centralized and effective grounding device shall be set inside the plant to ensure safe use of electrical equipment. 5.2 Operating environment 5.2.1 The workplace shall meet regulations of GB/T 27946, and ventilation conditions must f... ...