GB25520-2010

Mineral grinding and ultra-micro grinding equipment - Safety requirements

矿物粉磨和超微粉碎设备安全要求

GB 25520-2010 es una norma nacional china obligatoria vigente: Mineral grinding and ultra-micro grinding equipment - Safety requirements. Sector: Electrónica. Enfoque: Seguridad de productos. Entrada en vigor: 1 oct 2011.

La aplicabilidad depende del alcance del producto, la vía de certificación, los avisos de la autoridad competente y las reglas de transición. Solicite una traducción o verifique la fuente antes de usar esta ficha en una decisión de cumplimiento.

Resumen de cumplimiento

Este resumen está disponible por ahora solo en inglés.

Alcance y aplicabilidad

This standard applies to mineral grinding and ultra-micro grinding equipment, including ball mills, rod mills, tube mills, autogenous mills, and various coal mills. It is mandatory for manufacturers of these specified grinding machines. It does not cover general mechanical, electrical, hydraulic, or pneumatic hazards not specific to this equipment, which are addressed in GB/T 15706.1 and GB/T 15706.2.

Requisitos técnicos

The standard provides a comprehensive hazard identification list and specifies safety requirements for the design, manufacturing, and operation of grinding equipment. Manufacturers must implement ergonomic designs and protective measures against physical hazards such as sharp edges and high-temperature surfaces, in accordance with GB/T 15706.2. It details requirements for control systems and protective devices, emphasizing the necessity of emergency stop functions and monitoring interlock protection. Equipment must feature reliable warning systems and safety devices to prevent operational failures. Electrical equipment must comply with GB 5226.1, and hydraulic systems must adhere to GB/T 3766. Specific guidelines are established for fire and explosion prevention, particularly for coal mill systems. Explosion-proof doors and fire-resistant materials are mandatory for high-risk environments. The standard also outlines requirements for platforms, lighting, and safe maintenance procedures to ensure operator safety throughout the machine's lifespan.

Métodos de ensayo

The standard references specific testing methods, including noise measurement at the operator's position according to GB/T 13325, and vibration evaluation based on GB/T 8419. It also requires verification of electrical protection, pressure resistance for hydraulic components, and the structural integrity of explosion-proof enclosures.

Preguntas frecuentes

What products are regulated under GB 25520-2010?

It regulates mineral grinding and ultra-micro grinding equipment, including ball mills, rod mills, vertical mills, impact crushers, and various coal mills.

Is GB 25520-2010 a mandatory standard?

Yes, most chapters of this standard are mandatory, except for Chapter 3 which is recommended.

What are the key safety focuses of this standard?

Key focuses include fire and explosion prevention, control system safety, emergency stop devices, and ergonomic operation positions.

The summary above provides a high-level overview of GB 25520-2010. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 25520-2010 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Seguridad
CCS: D94
ICS: 73.120
Organismo competente: Ministry of Industry and Information Technology
Comité técnico: Ministry of Industry and Information Technology