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    山能故事

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    山能新礦協莊煤礦:打出沖擊地壓綜合防治組合拳

    發布日期:2019年06月13日    本網通訊員 古春濤 張允源     來源:山東能源集團網站

    本網新泰訊 近日在山東能源新礦集團協莊煤礦沖擊地壓監測監控中心,記者看到工作人員在對屏幕上顯示的工作面壓力值、微震監測事件等實時數據進行系統分析研判。

    “利用應力在線監控系統優勢,我們對超過預警值的數據進行實時分析,及時提出解決方案卸壓解危。”該礦防沖辦工作人員介紹說。沖擊地壓“可預、可防、可控、可治”,協莊煤礦秉持這種理念,堅持“裝備、技術、管理”并重,打造沖擊地壓綜合防治體系,確保礦井有震無災。

    在線實時監測監控為防沖工作提供科學數據。目前,該礦分別在11101W下工作面、2204W工作面安裝兩套應力在線系統,在-850一采下山區、二采區設置15臺微震拾震器,進行礦井微震事件震源位置、發生時間、能量級數的實時監測。

    “依據在線實時數據,我們對受沖擊電壓威脅地點進行沖擊危險性分析,并制定精準防沖措施,變生產過程治理為超前預防治理。”防沖辦主任馬江軍說。通過在采煤工作面加裝 KJ649 無線應力在線監測設備以及微震監測拾震器,他們實現頂板離層、圍巖移動、激光測距等各類數據實時傳輸與監測監控。通過在掘進巷道內安設KJ615應力監測系統,依托礦井工業以太網傳輸到監測監控中心服務器,實現從巷道掘進到采煤工作面撤除的全程實時監測,做到了防沖監測無死角。

    “為進一步提高防沖治災能力,我們計劃在-850二、三采區增設6臺拾震器,擴大系統監測范圍,實現預警平臺提檔升級。”馬江軍說。

    布局合理,防治才能到位,合理布置采場是從源頭主動防御沖擊地壓的關鍵。一方面,他們按照有利于防沖的原則,強化礦井生產接續管理,合理集中生產,避免應力集中。嚴格開采順序及停采線管理,嚴禁亂留不規則煤柱,嚴禁開采孤島煤柱面。另一方面對采掘地點距離實施動態管控,每旬按時上報采掘地點預警管控表。確保各采掘地點間的安全距離滿足“掘進巷道之間距離不小于150米,回采面與掘進巷道之間距離不小于350米,回采面之間距離不小于500米”要求。

    此外,他們實施沖擊地壓采掘工作面安全準入制度,對采掘工作面進行評價驗收,驗收合格后方可生產;生產期間嚴格執行限員措施,現場進行掛牌管理;實行現場驗收及不定期抽查制度,確保卸壓鉆孔施工質量可靠,提升礦井防災治災能力。

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