Strain and treatment technical countermeasures for thre…

The three-explosion accident refers to three accidents such as mine gas explosion, mine dust explosion and mine gas and dust explosion. Although the three types of accidents involved in the explosion were not the same, the characteristics of the explosion and the hazards caused by the accidents were ......Reading more

Mine water inrush

1) General omen. (1) coal layer becomes wet, soft; help coal dripping occurs, the phenomenon of watering, and watering from small to large; sometimes appear to help iron rust coal traces of water. (2) reduced face temperature, or fog occurs or hydrogen sulfide odor (i.e., rotten egg smell). (3) S ......Reading more

Mine blasting should maintain a safe distance

When blasting, blasting earthquakes, air shock waves, debris scattering and harmful gases are inevitable, thus endangering the safety of personnel, equipment, buildings and wells in the vicinity of the explosion area. Therefore, the blasting design must determine the scope of the blasting hazard and ......Reading more

Prevention measures for landslides in dump pits of open…

The open pit mining process is divided into four operations: piercing, blasting, shovel loading and dumping. Dumping operations are the last step in the open pit mining process, but the safety of dumping operations is also very important in open pit mining. In the mining design, the district mining ......Reading more

Safety management of coal mine electromechanical transp…

Electrical transport coal mine mine is an important part of the production chain, which runs through the various production processes of the mine covers a wide range of special types and more highly technical. The causes of the electromechanical transportation accidents in coal mines were analyzed. ......Reading more

Analysis of the development of power battery: the futur…

In recent years, China's new energy automobile industry has developed rapidly. In 2017, China's new energy vehicle production and sales exceeded 700,000 units. The number of new energy vehicles has exceeded 1.8 million. In recent years, production and sales are expected to reach 1 million u ......Reading more

SST forward reorganization plan approved Beiqi New Ener…

On the evening of April 27th, the SST striker issued an announcement that the company's major asset reorganization was approved by the merger and reorganization committee of the China Securities Regulatory Commission. This means that the BAIC New Energy market is more clearly listed. If it is ......Reading more