Likvidace důlních požárů v podmínkách OKR

Abstract

In the presented work is prepared a overview of the possibilities of fighting mine fires in the OKR conditions. In the first part is presented a brief historical overvief of major mine fires in the OKR. In the next part is processed fire safety in the deep mines, including introduction of the „báňských“ laws, the use of open fire in underground and is presented overview of portable fire extinguishers used in the mine. In the next part is presented fire fighting by direct intervention with the proposal of possible fire fighting in a mine using the 3D water fog. The following fire fighting indirect intervention, describes the types of closing dikes, developmental stages of fire residues and control of the composition of mine air. The next part of the work deals with the first use of nitrogen in solving mine fires, the use of nitrogen in the present and is given a proposal for sprying of liquid nitrogen to the colosed fire residues.