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 is a current mandatory Chinese national standard for Mineral grinding and ultra-micro grinding equipment - Safety requirements. It appears in the Electronics compliance cluster with a product safety focus and has an implementation date of Oct 1, 2011.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
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.
Technical requirements
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.
Testing methods
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.
FAQs
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.
Applicability hints
- Type
- Safety
- CCS
- D94
- ICS
- 73.120
- Competent department
- Ministry of Industry and Information Technology
- Technical committee
- Ministry of Industry and Information Technology