Explosion safety distance Blasting hazards: blasting-induced earthquakes, air shock waves, scattered rocks, toxic gases. Blasting must determine the scope of blasting hazards and the safety distance, and set up warning and safety protection measures.   ① Safety d...

Open-pit Mine Safety Rectification Start with stratified mining From top to bottom, layer-by-layer mining is a fundamental principle in open-pit mining. Relevant regulations clearly define the stage height for open-pit mines under different rock types and different ...

Accident Handling Tips for Poisoning and Suffocation (1) Before entering the dangerous area, rescue personnel must wear protective equipment such as gas masks and self-rescuers, and check their air tightness to prevent rescue personnel from suffering from poisoning or...

MT11A Product Acceptance and Launch Conference       On June 26, 2018, the MT11A new type tunnel anchor rod trolley, jointly developed by China Railway Tunnel Bureau Group and Zhejiang Zhigao Machinery Co., Ltd., was officially accepted and...

What are the steps for promoting the construction of green mines in Hunan Province? By the end of December 2017, by the end of June 2018, and by the end of September 2018, the provincial, municipal and county-level green mine construction work plans should be comple...

On May 31st, JD.com announced the official launch of its construction materials business. In the future, various merchants and individual consumers will be able to purchase a wide range of construction materials such as sand, gravel, cement, pipes, fittings, and coating...

  In recent years, there has been intense competition in the sand mining auction activities, resulting in the situation where the transaction prices are artificially inflated. This has placed a huge burden on sand mining supervision. Moreover, illegal sand mini...

1.Overview of Water Medium Energy Conversion Blasting Technology Water medium energy exchange blasting is an analysis of the blasting mechanism from the perspectives of thermodynamics and chemistry. If a "certain amount" of water is added to an "explosiv...

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April 11-13, 2018 Huazhicheng Haosheng Hotel, Kunming, Yunnan, China Booth: A27 Display machine: New mining trolley UP45 Product features: Various underground construction equipment used to be imported in China, which were expensive and h...

    On June 7th, the 9th International Infrastructure Investment and Construction Summit Forum was grandly opened in Macau. The Chief Executive of the Macao Special Administrative Region, Cui Shi'an, the Deputy Minister of Commerce of China, Gao Yan, the D...

Today, on Baidu, the world's largest Chinese search engine, enter "; Green Mines” Within 0.008 seconds, 12.7 million related entries, including 113000 images, can pop up. If we were to go back 10 years, this number would have been unimaginable. " In...

On June 4th, 2015, the annual conference; International Infrastructure Investment and Construction Summit Forum; Opened grandly in Macau as scheduled. This grand event attracted 44 vice ministerial level and above guests from 31 countries and regions, including Vice Pre...

On March 29, 2018, at the first regular press conference held after the establishment of the Ministry of Ecology and Environment, spokesperson Liu Youbin stated:; We will closely focus on fighting the battle against pollution prevention and control, especially winning t...

Recently, the Department of Land and Resources of Hunan Province issued the "2018 Mineral Development Management Work Points", emphasizing the comprehensive completion of mining rights clearance and withdrawal within natural reserves, strict on-site verificati...