Safety technical measures for laying signal cable of main wellbore

I. Project Overview

The main shaft has a diameter of 3.88 meters and a depth of 353.8 meters. The wellbore is equipped with a lifting load signal cable. The mining commission decided to add a production monitoring cable (cable length 600m). After resea

Design calculation of dust removal piping system

(1) The flow of gas in the pipeline is caused by the energy provided by the fan and the resulting pressure head. Part of the action head is used to overcome the frictional pressure loss of the pipe, and the other part is used to ov

Stone mining methods are divided into five categories

The mining process of stone mines is as follows: mother rock separation → top turn → cutting → shaping → drag and drop → hoisting and transportation → clear slag, quarrying method will be applied to different degrees in t