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技術(shù)支持您現(xiàn)在的位置:首頁 > 技術(shù)支持 > 多級消防泵的日常維護(hù)黃金法則
多級消防泵的日常維護(hù)黃金法則
  • 發(fā)布日期:2025-08-22      瀏覽次數(shù):28
    •   多級消防泵憑借高揚程優(yōu)勢,廣泛應(yīng)用于高層建筑、大型廠房等消防供水場景,其日常維護(hù)直接決定應(yīng)急時的供水可靠性。相較于單級消防泵,多級泵因多葉輪、分段式結(jié)構(gòu)更需精細(xì)化維護(hù),以下五大黃金法則需嚴(yán)格執(zhí)行,保障設(shè)備隨時處于戰(zhàn)備狀態(tài)。?
       
        一、每日“三查”:
       
        外觀與管路檢查:查看泵體分段法蘭、進(jìn)出口管路接口有無滲漏(密封墊老化需立即更換),地腳螺栓是否緊固(防止運行振動加劇);確認(rèn)進(jìn)出口閥門(閘閥/蝶閥)處于“常開”備用狀態(tài)(消防泵需24小時待命,閥門關(guān)閉會導(dǎo)致應(yīng)急啟動時壓力驟升),閥桿潤滑良好(每周涂抹一次黃油,避免卡滯)。?
       
        電氣系統(tǒng)檢查:控制柜電源指示燈亮、儀表顯示正常(電壓380V±5%,電流無異常波動);測試“手動/自動”切換功能,按下“點動”按鈕,電機應(yīng)無卡頓異響(確認(rèn)葉輪無卡滯);檢查急停按鈕、過載保護(hù)裝置是否靈敏,接地線路無松動(接地電阻≤4Ω)。?
       
        油位與密封檢查:查看軸承箱油位(需在油標(biāo)1/2-2/3處),油質(zhì)需清澈無渾濁、無雜質(zhì)(若油色發(fā)黑,需立即更換32#或46#抗磨液壓油);機械密封處滲漏量需≤3滴/min,若滲漏超標(biāo),檢查密封面是否磨損(輕微磨損可研磨修復(fù),嚴(yán)重時需整體更換)。?
       
        二、每周“一潤”:
       
        多級消防泵的軸系、軸承為核心傳動部件,需每周針對性潤滑:?
       
        軸承潤滑:采用“油浴潤滑”的軸承箱,每月補充一次潤滑油(補充量不超過油標(biāo)上限),每3個月更換一次(更換前需排空舊油,用煤油清洗軸承箱內(nèi)壁);采用“黃油潤滑”的軸承,每周用黃油槍注入2-3槍鋰基潤滑脂(型號為2#或3#),避免過量導(dǎo)致軸承溫度升高。?
       
        軸套與密封潤滑:在機械密封靜環(huán)與泵體結(jié)合處,每周涂抹少量食品級硅脂,減少摩擦損耗;對泵軸軸套,每兩周用細(xì)紗布擦拭后涂抹防銹油,防止銹蝕導(dǎo)致密封失效。?
       
        三、每月“一清”:
       
        多級泵因多段流道易堆積雜質(zhì),需每月深度清潔:?
       
        流道清潔:關(guān)閉進(jìn)出口閥門,打開泵體頂部排氣閥與底部排水閥,排空內(nèi)部積水;拆卸中段法蘭,用高壓水槍(水壓0.3MPa)沖洗各段流道,重點清理葉輪進(jìn)出口、導(dǎo)葉流道內(nèi)的泥沙、水垢(避免堵塞導(dǎo)致?lián)P程下降);清潔后組裝時,需在法蘭面涂抹密封膠,確保分段密封嚴(yán)實。?
       
        濾網(wǎng)清潔:拆卸進(jìn)口管路過濾器,清理濾網(wǎng)內(nèi)的雜質(zhì)(如石子、纖維),濾網(wǎng)孔徑需符合要求(通常為1-2mm,過大易導(dǎo)致葉輪磨損),若濾網(wǎng)破損需立即更換,防止雜質(zhì)進(jìn)入泵體。?
       
        四、每季度“一測”:
       
        每季度需進(jìn)行一次空載與帶載性能測試,確保參數(shù)符合設(shè)計要求:?
       
        空載測試:啟動泵組,空載運行10分鐘,觀察電機電流(應(yīng)≤額定電流的30%)、泵體振動(振幅≤0.08mm)、噪音(≤85dB),若振動超標(biāo),檢查葉輪動平衡(可能因磨損失衡,需重新校準(zhǔn))。?
       
        帶載測試:緩慢開啟出口閥門,將壓力調(diào)至額定值(如1.5-2.5MPa),運行30分鐘,記錄進(jìn)出口壓力、流量(偏差需≤±5%);測試“自動啟動”功能(模擬消防信號),啟動響應(yīng)時間需≤30秒,確保應(yīng)急時能快速投用。?
       
        五、每年“一檢”:
       
        每年需聯(lián)合專業(yè)人員進(jìn)行一次全面檢修,并做好備件儲備:?
       
        核心部件檢修:拆解泵體,檢查葉輪磨損情況(葉片厚度減少超10%需更換)、導(dǎo)葉流道光滑度(有劃痕需打磨);檢測軸承間隙(徑向間隙>0.15mm需更換),電機繞組絕緣電阻(需≥0.5MΩ,低于則需烘干或維修)。?
       
        備件儲備:按“易損件清單”儲備機械密封、軸承、密封墊、熔斷器等備件(儲備量為設(shè)備數(shù)量的1.5倍),備件需與泵體型號匹配(如多級泵葉輪需對應(yīng)具體級數(shù)與口徑),避免應(yīng)急時因備件不符延誤維修。?
       
        遵循以上黃金法則,可使多級消防泵的故障發(fā)生率降低60%以上,使用壽命延長至8-10年。日常維護(hù)需做好記錄(填寫《多級消防泵維護(hù)臺賬》),明確維護(hù)日期、內(nèi)容、發(fā)現(xiàn)問題及處理結(jié)果,確保維護(hù)工作可追溯、無遺漏,為消防應(yīng)急供水筑牢安全防線。
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