GB 47367-2026Safety technical conditions for rolling equipment (English PDF)

5.2 Major Hazard List

5.2.1 The major hazards of production line equipment are listed in Tables 7 to

42.The following is an explanation of the table headers.

a) Column 1, "Significant Danger", refers to the potential consequences of a significant danger.

b) Column 2, "Dangerous Events", is a description of dangerous events.

c) Column 3, "Safety Requirements and/or Measures," lists the safety requirements and/or measures to be met to avoid or reduce hazards. These measures include This includes necessary measures and optional measures.

d) Column 4, "Standard/Entry", is the standard number or entry number of this document corresponding to the specified safety requirements and/or measures.

e) Column 5, "Verification," refers to the verification methods used to identify and prove conformity. Specifically, it means. - "V". Visual inspection and verification; - "T". Test, check, and verify; - "M". Measurement, inspection, and verification; - "D". Verification of drawings or calculations.

5.2.2 Major hazards of equipment in the front and rear sections of the hot strip rolling production line are listed in Tables 7-14, 18, and

20.The hazards of equipment in the middle section... The major hazards are listed in Tables 7-11, 13 and 21-29.

5.2.3 Major hazards of equipment in the front and rear sections of the medium and heavy plate production line are listed in Tables 7 to 20; major hazards of equipment in the middle section are listed in Tables 7 to 20. Tables 7-11, 13, 21-22, 24, 28, 30-31.

5.2.4 Major hazards in the front and rear sections of the hot-rolled coil production line are listed in Tables 7-14, 18, and

20.The intermediate section... Major hazards of the equipment are listed in Tables 7-11, 13, 21-22, 24, 27-29, and 32-33; Medium plate of the hot roll mill. Major hazards of equipment in the front and rear sections of the production line are listed in Tables 7-20, and major hazards of equipment in the middle section are listed in Tables 7-11. Tables 13, 21-22, 24, 27-28, 30-31, and 33.

5.2.5 Major hazards of equipment in the front and rear sections of the cold rolling mill production line are listed in Tables 7-11, 15, and

17.The hazards of equipment in the middle section are also listed. The major hazards are listed in Tables 7-11, 13, 16, 21, 24, 29, and 34-42.

6.1.1 Basic Requirements

6.1.1.1 The design of the production line and its associated equipment (excluding electrical equipment) shall comply with the provisions of GB 5083.

6.1.1.2 The design of electrical equipment for the production line shall comply with the provisions of GB/T 5226.1.

6.1.1.3 When risk reduction cannot be achieved through intrinsically safe design, the manufacturer should select appropriate safety protection or supplementary protection measures to mitigate the risk. Fewer security risks.

Note. Intrinsically safe design refers to a preferred approach that reduces safety risks by changing the characteristics of equipment or its operation.

6.1.1.4 If residual safety risks still exist after adopting intrinsically safe design, safety protection, or supplementary protection measures, the manufacturer shall, These risks are clearly defined in the usage information (see Chapter 7).

6.1.1.5 The manufacturer shall prepare usage information (see Chapter 7), which shall include the usage information under normal operating conditions of the production line and its associated equipment. All details required for safe operation procedures. In addition, the manufacturer should describe specific safety procedures for special operating modes such as commissioning and maintenance. measure.

6.1.1.6 The design of the operating positions of the equipment on the production line should ensure that they are located in an area that is safely accessible to the operators.

6.1.1.7 The design of safety protection devices should ensure that they can withstand the impact of normal operation of the production line and its associated equipment, such as... Damage caused by heat radiation, vibration, condensation, dust, etc.

6.1.1.8 The safe distance to prevent operators' upper and lower limbs from touching the danger zone shall comply with the provisions of GB/T 23821.

6.1.1.9 The design of fixed and movable protective devices shall comply with the provisions of GB/T 8196.

6.1.1.10 The design and selection principles of interlocking devices related to protective devices shall comply with the provisions of GB/T 18831.

6.1.1.11 The positioning of safety protection devices related to the speed of approach to human body parts shall comply with the provisions of GB/T 19876.

6.1.1.12 Other design requirements shall be implemented in accordance with

6.1.2 to 6.1.24.

6.1.4 Entry into the Production Line

6.1.4.1 Access to Operation Points Personnel needing access to all areas for operation and maintenance (such as consoles, control rooms, underground areas, inspection and service platforms) should be provided with appropriate equipment. Appropriate access methods. Access methods (such as ladders, walkways, platforms, etc.) should comply with GB/T 17888.1, GB/T 17888.2, and GB/T 17888.3. The requirements of GB/T 17888.4 are as follows: Personnel should be protected from the effects of the product, thermal radiation, and high-pressure fluid or gas jets (see Figures A.1 to A.4 in Appendix A for examples). When choosing a walking or standing surface, anti-slip materials should be used in accordance with the requirements specified in

6.3.5.6 of GB/T 15706-2012 to avoid slipping. Slips, trips, and falls caused by scale, hydraulic oil, emulsions, and/or lubricants.

6.1.4.2 Entry into the Hazardous Area When entering a danger zone, the following requirements must be met.

a) The protection of the production line should prevent unauthorized personnel from entering the production line, thereby preventing dangerous incidents from occurring.

b) In areas of automated operation (such as winding, strip and sheet movement, and coil and sheet transport), significant hazards exist (equipment hazard). Protective equipment shall be used for operations and/or conditions. Specifically, when strip and sheet metal enter the inspection area during movement, requirements

6.4.4 shall be met. Please provide examples in Figures A.3 and A.4.

c) During operation and maintenance, only after the equipment has automatically stopped operating and the relevant risks (such as energy storage, temperature, radiation) have been addressed. Personnel may enter the hazardous area of the production line only after isolation is achieved in accordance with the requirements of GB/T 16855.1 and GB/T 19670.Meanwhile, the following conditions apply... The components should also meet relevant safety requirements. - Entry conditions (e.g., switching to manual control mode, using a lockable switch for the safety of maintenance personnel); - Working/stopping conditions (e.g., jog control that allows for a full view of the danger zone); - Restart conditions (e.g., the passageway door is closed and the reset button is pressed).

d) The category of safety for personnel entering relevant control system components during operation or maintenance should be selected based on the specific risk assessment and comply with... The requirements of GB/T 18831 and GB/T 16855.1 shall also be met. The requirements of GB/T 19670 shall also be complied with to prevent accidental damage to the equipment. start up.

e) Manufacturers should specify the licensing conditions for entering hazardous areas in the usage information, including details of the work safety system and personal protective equipment. The use of PPE, the use of processing tools, etc.

f) If necessary, remote monitoring (such as cameras, mirrors, probes) may be used, but unnecessary personnel should be avoided from approaching.

g) The installed warning signs are visible from outside the danger zone.

6.1.4.3 Proximity to rotating/moving parts When approaching rotating/moving couplings, belts, and chains, precautions should be taken in accordance with the requirements specified in GB/T 8196 and GB/T 23821. Protection. Drive shafts and couplings should be designed with smooth surfaces and no protrusions unless the protrusions are essential for operation.

6.1.5 Protection The choice of protection for hazardous areas should depend on. --The structure and function of the equipment; --Entry restrictions for danger zones; --Required entry frequency.

Note. For more guidance on protection, see GB/T 8196. If personnel need to frequently enter the danger zone, movable protective devices (such as covers, doors with interlocking devices and protective locks) should be used. The design of the protective structure shall comply with GB/T 8196.Safety distances shall conform to the relevant provisions of GB/T 12265 and GB/T 23821. Regulations stipulate that, in particular, the distance to protective barriers (such as perimeter fences and protective structures) should not be less than 1,400 mm.

6.1.8 Safety-related control systems

6.1.8.1 General Requirements Safety-related control systems shall comply with the requirements specified in Appendix B, and also with the requirements specified in

6.1.8.2 to 6.1.8.5.

6.1.8.2 Design and configuration of manual actuators The design and configuration of the manual actuator must meet the following requirements. --Manual controls should be designed and configured in accordance with relevant ergonomic principles; --Manual controls should be clearly visible, identifiable, easy to operate, and equipped with clearly labeled nameplates; --Manual controls should be safe and readily operable with a clear effect, and should not cause additional danger; --The positions of manual controllers should be arranged according to a certain pattern (such as the process layout sequence, the operation sequence of production equipment, and the movement of product materials). (Direction, etc.) --The arrangement, stroke, and resistance of the manual actuators should be matched to the actions being performed; --Where feasible, the manual manipulator should be positioned so that the object being manipulated is visible; --The shutdown control unit should be located near each start control unit; --If the same mechanism is operated by several actuators in different positions, the "operation location selection" control should be used to ensure that the same action is performed. Only one operator can be active at any given time.

6.1.8.3 Selection of Control and Operating Modes If the production line (or equipment) allows for several control and operating modes (such as production, adjustment, maintenance, inspection, etc.), its operating system should be configured. A selector is provided that can select and lock each operating mode, and each locked position of the selector should correspond to a single operating or control mode. Selectors that restrict certain operators' access to specific functions on the production line can also be restricted using access passwords, implemented in software-based calculations. Implemented on the machine monitor.

6.1.8.4 Control modes for setting, teaching, process switching, troubleshooting, cleaning, or maintenance When setting up, teaching, switching processes, troubleshooting, cleaning, or repairing equipment, safety guards should be removed or dismantled, and safety measures should be taken in a safe manner. When the protective device is suppressed, the following measures should also be taken. --Disable automatic mode; --Perform under enhanced safety measures (e.g., reduce speed, reduce power, use inching, assign dedicated personnel to monitor and protect operators). Safety); --Restrict personnel from approaching the danger zone as much as possible; --The emergency stop control is located within the operator's immediate operational range.

6.1.8.5 Protection of safety functions in programmable control systems In electrical automatic control systems, any media storage used to store programs must employ reliable measures to prevent the stored programs from being intentionally or maliciously compromised. There is no intention to change these measures, which mainly include: --Access restriction (pathway) interlocking device; --Use access control password protection measures; --Read-only memory for software backup or external hard drive backup.

6.1.9 Personal Protective Equipment (PPE) Manufacturers should provide the required characteristics of the personal protective equipment (PPE) in the usage information (see Chapter 7) to prevent design and technical hazards. The remaining risks that personnel may still suffer after the technical safety requirements are met.

6.1.10 Electrical equipment Electrical equipment shall comply with the requirements specified in GB/T 5226.1.In particular, electrical equipment constructed and installed by the manufacturer shall be able to withstand all... Hazards include those posed by heat sources, vibration, corrosive substances, and damp conditions; these hazards should be identified in the risk assessment and detailed in Appendix B. The requirements should be taken into consideration.

6.1.11 Fluid Equipment

6.1.11.1 Fluid equipment (including hydraulic systems, pneumatic systems, and lubrication systems) shall be designed to reduce toxicity, fire hazards, noise, and vibration. The risks that may arise should also be considered. Hazards related to pressure, temperature, fire sources, and proximity to adjacent people should also be taken into account.

6.1.11.2 The ends of flexible pipes or hoses shall be secured (e.g., with steel wire) to prevent swaying in case of loosening or breakage.

6.1.11.3 Mechanical actuators controlled by hydraulic or pneumatic systems shall comply with the following provisions. --The position of the actuator remains unchanged when there is no operating instruction; --Even if the hydraulic power source loses pressure or the electrical control power supply fails, the position of the actuator should remain unchanged. If the above requirements cannot be met due to production process needs, clear safety instructions should be provided in the safety manual.

6.1.12 Piping systems for transporting liquids Manufacturers of piping systems used for transporting liquids should provide protection agai...