Návrh přípravy a dobývání porubu č. 112 409 v oblasti sloje 112 (B4) na hranici dobývacího prostoru.

Abstract

In this thesis, I suggested a proposal for a total preparation and extraction of longwall no. 112 409 in seam 112(B4). At the beginning of my thesis, means introduction, is a brief of the history of mine called mine 3, then is characteristics of the mine and the area. We can find there the deposit of conditions and supplies in the seam, in which it is present longwall. The third chapter deals with the schedule for the various preparations of works, which are necessary to implement the preparations of excavation of mine works for the preparation of the face block. The fourth chapter discusses about the suitability and choices of technology and equipment for mining longwall face no. 112 409. The fifth chapter deals with the subject of ventilation in area. The sixth chapter deals with the necessary of safety and also with safety precaution. I deal with economic and technical evaluation of my proposal, which is very important for this time, in the seventh chapter. In conclusion, I recommend my proposed variant based on the data, which I obtained. I also acquired some experience from the Technical University in Ostrava, HGF, and I gained experience of longstanding practice at the mine.