US2100178A - Coal mining machine - Google Patents

US2100178A US79022A US7902236A US2100178A US 2100178 A US2100178 A US 2100178A US 79022 A US79022 A US 79022A US 7902236 A US7902236 A US 7902236A US 2100178 A US2100178 A US 2100178A Authority US United States Prior art keywords dust cutting coal conveying machine Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Đọc thêm

Development and applications for coal mine robot technique ...

JIANG, 1, PAN, T., ZUO, D., ZHAO, T., SHAO,"L, and YANG, F. Development and applications for coal mine rol:XJt technique in China.lopplicalion oI Computers and Opera/iolls Research ill the Minerals industries, South Afric~n Institute of Mining and Metallurgy. 2003. Development and applications for coal mine

Đọc thêm

AI in Mining – Mineral Exploration, Autonomous Drills, and ...

Mining is a major worldwide industry producing everything from coal to gold. According to a PWC annual report, the top 40 mining companies have a market capitalization of $748 billion as of April 2017.The industry as a whole saw a slump in 2015 but since then the sector has recovered due to rising commodity prices.

Đọc thêm

Coal Mining in Appalachia - YouTube

This video is about Coal Mining via Mountain Top Removal. Appalachian Coal MiningSee how coal is mined in the Appalachian Mountains via Mountain Top Removal...

Đọc thêm

US444476A - Coal-mining machine - Google Patents

US444476A US444476DA US444476A US 444476 A US444476 A US 444476A US 444476D A US444476D A US 444476DA US 444476 A US444476 A US 444476A Authority US United States Prior art keywords coal shaft frame sleeves tube Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Đọc thêm

Production and Cost Assessment of a Potential Application ...

optimal mining method based on both qualitative and quantitative factors. Based on the results of this research, application of SM would benefit coal extraction in surface mining operations in WV. The estimated cost of coal extraction is lower than with conventional mining methods, and the machine is able to work selectively with high

Đọc thêm

The Application of Water Jets in Coal Mining

Kuznetsk coal basin (7). Output and costs per ton were much more favorable than with conventional mining and the methods were applied in many different mining condi­ tions across the Soviet Union (8). As a result of these trials, experiments in hydraulic coal mining began in the United Kingdom (9), the United States (10), China

Đọc thêm

Machines Used in Coal Mining | Career Trend

Coal mining has been performed since the arrival of the Industrial Revolution in the mid-18th century. Coal is used as a fuel primarily for steam-generated electrical power plants, as well as being a component of certain industrial applications, such as steel manufacturing.

Đọc thêm

Application of Tunnel Boring Machines in Underground …

application of TBMs in mining dates back to late 50's. This was followed by several attempts in 60's and 70's in other underground mining operations (including coal mining in England). The penetration rates achieved by the machine in most of these projects were far above the capabilities of any drill

Đọc thêm

Future of mining with AI: Building the first steps towards ...

solutions for mining companies, it explains how and why these mining companies have used AI‑based applications, while also identifying key benefits and considerations for optimizing investment in these technologies going forward. It verifies that success in the mining industry increasingly depends on …

Đọc thêm

Applications of artificial intelligence for coal mine gas ...

There are relatively many risk factors for coal mine gas disasters, and the classification methods of risk factors are not the same. In the latest version of "Coal Mine Safety Regulations", the risk factors are classified into four parts: human, machine, environment and management (State Administration of …

Đọc thêm

Progress in the research and application of coal mining ...

1. Introduction. The extensive extraction and use of coal resources remarkably benefits human society but also causes a series of passive impacts on the environment that challenge all of the coal mining countries .Coal extraction commonly causes strata movement and surface subsidence that then leads to mining hazards such as ground water damage, gas burst or …

Đọc thêm

Technique and its applications of computer monitoring and ...

operation of coal mining machines of coal mine It is main feature of coal mining machine development of 1990s to monitor online the operation status of the machines and diagnose the faults in operation using computer digital technique. At present, the systems of status monitoring and fault diagnosis in the core of computer are

Đọc thêm

US355284A - Coal-mining machine - Google Patents

coal frame carriage mining machine screw Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number Publication date …

Đọc thêm

Progress in the research and application of coal mining ...

This paper focuses on two coal mine stowing technologies and reviews the most recent progresses in China. 2. Technical aspects of longwall working with caving. A longwall face is generally between 200 and 400 m long and the full thickness of the seam is extracted by a coal winning machine.

Đọc thêm

application of tm and sar images fusion for land ...

application of tm and sar images fusion for land monitoring . application of tm and sar images fusion for land monitoring in coal mining a Coal Mining ResearchGate 2015 3 20·Application …

Đọc thêm