The design of the explosion-proof torque recorder based on snap-in chip;

Probing into Explosion-proof of Air Separation Unit;

Research on Airflow of Explosion-proof System of Diesel Engine;

Structural Optimization of Explosion Protection for Siphon Scraper Centrifuge;

The acceptable types of protection and corresponding standardization achievements in China,Chinese administrative regulations on explosion protection,certification system of explosion protected products and detailed application procedures are introduced.

After that,the principle of ignition hazard assessment and the explosion protection measures to mechanical sparks;hot surfaces,static electricity,electromagnetic radiation and optical radiation are discussed in detail.

Investigation in explosion proof system for engines on cementing unit.;

Air conditioning and electric standards for explosion proof in dangerous chemicals warehouses;

It stresses mine for gas that along with the development of mine excavation depth,the gas grade of coal mine changes from low gas mine,well uses originally the non electromechanical equipment of explosion proof,must change,or technical reformation,have introduced in Pingdingshan Coal Industry Group No.