What are the advantages and disadvantages of vertical shaft development compared with inclined shaft development?

Compared with inclined shaft development, the advantages and disadvantages of vertical shaft development are as follows:

superiority

1. The shaft construction technology and equipment are relatively simple: the shaft construction technology and equipment are relatively simple. Compared with the simplicity of inclined shaft, the shaft section of vertical shaft is larger, which makes the production and operation costs of lifting, drainage and power supply lower.

2. Better adaptability to geological conditions: vertical shaft development is more adaptable to various geological conditions, and it will not have much impact on vertical shaft construction regardless of coal seam, thickness, depth or hydrological conditions.

3. Fast lifting speed and high degree of mechanization: the vertical shaft has fast lifting speed and high degree of mechanization, which is easy to realize automatic control and more conducive to personnel lifting, especially for deep mining.

4. Better security: the shaft is easy to maintain, which makes it safer.

disadvantaged

1. Complicated shaft construction: The shaft construction technology of vertical shaft is complicated, which requires high technical level, more equipment, relatively slow speed and large capital investment.

2. Large ventilation resistance: compared with inclined shaft development, vertical shaft development has a longer ventilation route and greater resistance.

3. Difficulty in extending the depth: It is relatively difficult to extend the depth of vertical shaft, because the uncertainty of geological conditions may affect the wellbore.

Generally speaking, vertical shaft development has advantages over inclined shaft development in terms of simplicity of technology and equipment, adaptability of geological conditions, lifting speed and mechanization degree, but there are also some shortcomings. According to the geological conditions and engineering requirements of specific mining areas, the most suitable development method is selected after comprehensive consideration of various factors.

Expand one's knowledge

Vertical shaft development is one of the ways of mine field development. According to the form of shaft, the development methods of mine field are divided into vertical shaft development, inclined shaft development, adit development and comprehensive development. Vertical shaft development is a development mode in which the mine shaft is vertical shaft.

Mining field development refers to the mine layout and mining engineering in which the ground enters the coal seam to serve the mining level. Due to different coal seam occurrence, geological structure, hydrogeology, topography, technical level and economic situation under different conditions, mine development methods are also different. Mine development mode is the comprehensive name of mine shaft form, mining level quantity and stage layout mode.