喷泉专用泵日常维护是机组平(ping)安、正常运行的保证。所(suo)以,它是消除和(he)防止(zhi)机组运行过程中发(fa)生事故的有计划的维护。
喷(pen)泉专用泵方法/步骤:
喷泉专用泵的(de)日常维护(hu)的(de)主(zhu)要内容(rong)如下:
(1)检查并(bing)处理易(yi)于松动的螺(luo)栓或螺(luo)母。如拍(pai)门(men)、螺(luo)栓、轴(zhou)销、销钉等,双吸(xi)离心泵轴(zhou)封装(zhuang)置填(tian)料的松紧程度,空(kong)气压(ya)缩机阀片(pian)等。
(2)油、水、气(qi)管路接头(tou),阀(fa)门渗漏处理。
(3)电动机碳(tan)刷(shua)、滑环、绝缘(yuan)等的检(jian)查处理。
(4)检(jian)查拦污(wu)栅前有无阻水杂物(wu)。
(5)保持电动机(ji)干燥,检查(cha)电动机(ji)绝缘。
(6)检修闸(zha)门(men)吊点是否牢固,门(men)侧有(you)无卡阻物、锈蚀及磨(mo)损情况。
(7)闸(zha)门启闭(bi)设(she)备(bei)维护。
(8)吊车维护。
(9)机组设备清洁(jie)。
喷泉专用泵(beng)需(xu)定(ding)期对潜水电(dian)(dian)(dian)(dian)泵(beng)及其控(kong)制系统进行周(zhou)(zhou)全(quan)维护保(bao)养,每年至少做(zuo)1次周(zhou)(zhou)全(quan)预防性检修,内容(rong)包(bao)括:开机(ji)时振动(dong)(dong)声(sheng)音及电(dian)(dian)(dian)(dian)压(ya)电(dian)(dian)(dian)(dian)流有(you)(you)(you)无(wu)异常(chang)(chang)、启动(dong)(dong)装置工作是(shi)(shi)否(fou)(fou)(fou)正常(chang)(chang)、超(chao)温(wen)(wen)漏水是(shi)(shi)否(fou)(fou)(fou)报(bao)警、计(ji)(ji)控(kong)设立的(de)多重保(bao)护是(shi)(shi)否(fou)(fou)(fou)经常(chang)(chang)动(dong)(dong)作、主电(dian)(dian)(dian)(dian)缆和控(kong)制电(dian)(dian)(dian)(dian)缆有(you)(you)(you)元(yuan)老化(hua)(hua)开裂、主接触器有(you)(you)(you)无(wu)粘死氧化(hua)(hua)或(huo)(huo)毛刺(ci)、热继(ji)电(dian)(dian)(dian)(dian)器设置是(shi)(shi)否(fou)(fou)(fou)正确(que)、绕组绝缘(yuan)层有(you)(you)(you)无(wu)老化(hua)(hua)迹象(xiang)、对地绝缘(yuan)电(dian)(dian)(dian)(dian)阻是(shi)(shi)否(fou)(fou)(fou)过低、三相绕组阻值是(shi)(shi)否(fou)(fou)(fou)平(ping)衡、定(ding)子(zi)转子(zi)问是(shi)(shi)否(fou)(fou)(fou)有(you)(you)(you)扫膛或(huo)(huo)擦痕、控(kong)制系统液位(wei)计(ji)(ji)是(shi)(shi)否(fou)(fou)(fou)准确(que)、上下限输出是(shi)(shi)否(fou)(fou)(fou)正常(chang)(chang)可(ke)靠、浮(fu)球动(dong)(dong)作是(shi)(shi)否(fou)(fou)(fou)可(ke)靠、温(wen)(wen)度检测(ce)元(yuan)件是(shi)(shi)否(fou)(fou)(fou)老化(hua)(hua)误动(dong)(dong)、油(you)质有(you)(you)(you)无(wu)乳化(hua)(hua)、机(ji)械(xie)密封是(shi)(shi)否(fou)(fou)(fou)完好、轴(zhou)承有(you)(you)(you)无(wu)磨损(sun)、叶轮(lun)有(you)(you)(you)无(wu)磨损(sun)或(huo)(huo)汽蚀、轴(zhou)是(shi)(shi)否(fou)(fou)(fou)生锈(xiu)变形或(huo)(huo)磨损(sun)、电(dian)(dian)(dian)(dian)机(ji)内外(wai)紧固螺钉有(you)(you)(you)无(wu)松(song)脱、冷却套及循环水管中有(you)(you)(you)无(wu)杂物、泵(beng)Ll及周(zhou)(zhou)围有(you)(you)(you)无(wu)泥沙沉积(ji)或(huo)(huo)堵塞等。
在(zai)预防(fang)性维修(xiu)及潜(qian)水(shui)电泵(beng)运行过程中,应正确区分超温报警,报警时是(shi)超温还是(shi)元件老化(hua)误动作。如属(shu)元器件老化(hua),则只需(xu)将其(qi)信号(hao)接入报警信号(hao)中,不让其(qi)直接参与控制,以(yi)减少潜(qian)水(shui)电泵(beng)的频繁启动。
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