Mining/setting-up integrated mining technology without tunneling and coal pillar
A technology without coal pillars and processes, applied in ground mining, earthwork drilling, underground mining, etc., can solve the problems of waste of resources, low production efficiency, waste of coal resources, etc., to reduce production costs, improve resource recovery rates, increase The effect of enterprise economic benefits
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0033] The specific technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings, but this does not mean to limit the protection scope of the present invention.
[0034] Such as figure 1 As shown, the present invention provides a non-driving and non-pillar-free mining and retention integrated mining technology, the first selected coal seam is stable, the coal seam is small inclination, the geological structure is proven, uncomplicated, and the mining area with good hydrogeological conditions, and Divide the mining area into several large-section working faces and several small-section working faces, and arrange alternately according to the small-section working face, large-section working face and small-section working face. According to the actual situation of each mine, the small section The working face width is half of the working face width of the large section, and the inclined length is consistent with the leng...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com