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 é uma norma nacional chinesa obrigatória vigente: Mineral grinding and ultra-micro grinding equipment - Safety requirements. Setor: Eletrônicos. Foco: Segurança de produtos. Entrada em vigor: 1 de out. de 2011.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

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 ensaio

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.

Perguntas frequentes

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.

Indicações de aplicabilidade

Tipo: Segurança
CCS: D94
ICS: 73.120
Órgão competente: Ministry of Industry and Information Technology
Comitê técnico: Ministry of Industry and Information Technology