Search results for keyword: miners
Hot-rolled U-shaped steel for mine roadway support (GB/T4697-1991)
U-steel for Roadway Support in Mines
U-steel is a type of material used to provide roadway support within mines. The use of U-steel for the support of roadway structures is a common practice throughout the mining industry, due to its formability and strength. U-steel can be either hot or cold ro......
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Hot-rolled U-shaped steel for mine roadway support (GB/T4697-1991)
Hot Rolling U-shape Steel for Mine Tunnel Support
U-shaped steel is an important material used in mine tunnel support. It provides structural support and stability so that the tunnel is secure, and miners can safely access the staircase leading to the mine safely. Hot rolling U-shape steel for mi......
GB/T 4697-1991 Hot-rolled U-shaped steel for mine roadway support
GB/T 4697-1991 Hot-rolled U-Profiles for Mine Roadway Support
This Chinese technical standard specifies the requirements, appearance examination, tensile properties, bendability and hardness tests of hot-rolled U-profiles for mine roadway support. The technical standard applies to hot-rolled prof......
mine shaft
Mineshafts
Mineshafts are tunnels bored deep into the ground in order to extract minerals and ores. This can include precious metals, coal, gemstones, and other minerals. Mineshafts are a common feature of abandoned mines and were once used extensively to extract ore without the need for expensiv......
Pingxiang Coal Mine
In Pingxiang City, Provence, lies the Pingxiang Coal Mine. This coal mine supplies some of the best quality coal in the region and has for many decades. The mine has been in operation since the early 1950s and employs over 500 miners. The coal from the mine is sold to both domestic and internation......
deep heat mine ventilation
Deep Mine Ventilation
Most deep mines must use some form of artificial ventilation to ensure that air in the mine is breathable. Ventilation also ensures that toxic gases, such as methane and carbon monoxide, which can cause serious health problems and even death, are not allowed to build up to d......
Surface Mine Ventilation
Open Pit Mining Ventilation
Open pit mining is a method of extracting minerals and other materials from the earth by digging. It is the most common form of mining in many countries, and it is carried out on a large scale. As a result, it is essential to ensure that proper ventilation is provided ......
mine ventilation system
Mine Ventilation System
Introduction
Mine ventilation is an important part of mine safety and productivity. Mines contain hazardous gasses, working in enclosed areas and therefore require control of the air circulated throughout them. Mine ventilation systems are designed to provide a safe and ......
Mine ventilation automation
Introduction
Mining is vital for economies as it provides many of the vital materials and minerals needed for development. Despite advances in mining technology which have made mining more efficient and profitable, there are still many dangers associated with mining. One danger which is common in......
Noise Control of Mine Main Fan
Noise Control in Mine Shaft Fans
Noise control in mine shaft fans is a critical factor that needs to be taken into consideration when designing and building a mine shaft. Mine shaft fans are large open-air blowers used to move air through the shaft and dissipate heat produced by work and machine......
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