2021精品国内一区视频自线_行業(yè)動(dòng)態(tài)

2020-07

2020年6月26日，淮南礦業(yè)（集團）潘三煤礦發(fā)生一起頂板事故致2人遇難。

6月26日，安徽淮南礦業(yè)集團潘三煤礦1652（3）軌道順槽掘進(jìn)工作面發(fā)生冒頂事故，造成19人被困，經(jīng)全力救援，被困19人已全部安全升井；在現場(chǎng)施救過(guò)程中有2名參與救援的人員失聯(lián)，目前正在積極施救中。該礦為國有重點(diǎn)煤礦，礦井證照齊全有效，核定生產(chǎn)能力500萬(wàn)噸/年，為煤與瓦斯突出礦井。各煤礦企業(yè)要深刻吸取事故教訓，牢固樹(shù)立安全第一、生命至上的理念，加強采掘工作面頂板現場(chǎng)管理；遇有地質(zhì)構造等特殊情況時(shí)

2020-07-04

2020-07

2020年6月28日，重慶市兩江能源蘆塘煤礦井下發(fā)生異常涌水，3名救護隊員在偵查水情時(shí)遇難。

6月28日，因近期連續降雨，重慶市兩江能源開(kāi)發(fā)有限公司蘆塘煤礦井下發(fā)生異常涌水，礦井及時(shí)撤出作業(yè)人員，3名救護隊員在偵查水情時(shí)遇難。

2020-07-04

2020-07

中心通纜鉆桿的主要功能——瑞龍鉆具

中心通纜式鉆桿是定向鉆進(jìn)裝備的重要組成部分

2020-07-04

2020-07

整體地質(zhì)鉆桿有哪些功能和特點(diǎn)

整體地質(zhì)鉆桿是地質(zhì)勘探，煤礦勘探等生產(chǎn)過(guò)程中的重要工具之一。整體地質(zhì)鉆桿采用優(yōu)質(zhì)，高效，節能，無(wú)污染的摩擦焊接技術(shù)，對焊后熱處理工藝進(jìn)行研究，得到了增韌的整體地質(zhì)鉆桿。焊接接頭的綜合機械性能高于DZ60地質(zhì)鉆機。棒材和管材技術(shù)標準中規定的值。

2020-07-03

2020-06

淺談組合鉆頭的特點(diǎn)及應用范圍

組合鉆頭，系列組合鉆頭和強組合鉆頭主要用于石油鉆探，水井，天然氣鉆探，地熱井鉆探，空調井鉆探，煤礦勘探，礦山開(kāi)采，橋梁施工，高層鉆探樁鑿巖機，用戶(hù)遍及全國30多個(gè)省市的地面處理，鐵路，水利，建筑等系統深受用戶(hù)信賴(lài)。組合鉆頭是多級組合金剛石復合板鉆頭的縮寫(xiě)，對煤礦的瓦斯抽放孔，排水孔和注漿孔的鉆探效果顯著(zhù)。

2020-06-23

2020-06

麻花鉆桿的作用及特點(diǎn)

麻花鉆桿的作用：麻花鉆桿是用于采礦的一種消耗性工具配件，是一種用于煤層鉆鉆的高效麻花形鉆桿，通常由優(yōu)質(zhì)碳鋼制成，適用于煤電鉆是的，是理想的煤炭開(kāi)采必備工具。煤鉆桿與各種類(lèi)型的煤電鉆和風(fēng)煤鉆結合使用。

2020-06-17

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