潛水排污泵制(zhi)造上采用許多先進的工(gong)藝手段(duan).

(1)潛水(shui)排污(wu)泵(beng)葉輪采用(yong)先(xian)進的水(shui)力模型設計,葉輪動平(ping)衡(heng)采用(yong)上海申光平(ping)衡(heng)試驗(yan)機進行平(ping)衡(heng)試驗(yan),使動平(ping)衡(heng)精度達到級,從(cong)而確(que)保水(shui)泵(beng)運行平(ping)穩,無(wu)振(zhen)動、運行噪音(yin)小于75分貝.

(2)潛(qian)(qian)水排污(wu)泵電(dian)(dian)(dian)(dian)機引出線(xian)采用特殊加工(gong)處(chu)(chu)理.潛(qian)(qian)水排污(wu)泵長期在水下運行,工(gong)況惡劣(lie),加上其它人為的(de)不利因素(su),電(dian)(dian)(dian)(dian)纜(lan)(lan)會遭到意外(wai)的(de)損壞而使電(dian)(dian)(dian)(dian)機進(jin)水,電(dian)(dian)(dian)(dian)纜(lan)(lan)經過特殊硫(liu)化密(mi)封(feng)處(chu)(chu)理后(hou)(hou)(hou)消除了電(dian)(dian)(dian)(dian)纜(lan)(lan)破損而損壞電(dian)(dian)(dian)(dian)泵的(de)隱患,主(zhu)要原理是(shi):潛(qian)(qian)水電(dian)(dian)(dian)(dian)纜(lan)(lan)由橡(xiang)膠(jiao)外(wai)包皮(pi)(pi)、填充(chong)物(wu)及電(dian)(dian)(dian)(dian)纜(lan)(lan)內芯組成,每根(gen)電(dian)(dian)(dian)(dian)纜(lan)(lan)內芯又由內橡(xiang)膠(jiao)包皮(pi)(pi)及多股電(dian)(dian)(dian)(dian)纜(lan)(lan)銅(tong)芯線(xian)組成,當電(dian)(dian)(dian)(dian)纜(lan)(lan)外(wai)包皮(pi)(pi)或電(dian)(dian)(dian)(dian)纜(lan)(lan)內包皮(pi)(pi)破損后(hou)(hou)(hou),介質水就會順著(zhu)電(dian)(dian)(dian)(dian)纜(lan)(lan)內芯與外(wai)包皮(pi)(pi)等(deng)的(de)間隙或電(dian)(dian)(dian)(dian)纜(lan)(lan)內芯中(zhong)的(de)銅(tong)芯線(xian)間的(de)間隙進(jin)入電(dian)(dian)(dian)(dian)機腔,從而燒毀電(dian)(dian)(dian)(dian)機,我(wo)公司針對上述現(xian)象(xiang),將(jiang)單芯電(dian)(dian)(dian)(dian)纜(lan)(lan)去皮(pi)(pi)后(hou)(hou)(hou)錫化處(chu)(chu)理后(hou)(hou)(hou)植入橡(xiang)膠(jiao)中(zhong),然后(hou)(hou)(hou)再將(jiang)單芯電(dian)(dian)(dian)(dian)纜(lan)(lan)植入橡(xiang)膠(jiao)中(zhong)*后(hou)(hou)(hou)再用橡(xiang)膠(jiao)環密(mi)封(feng),采用硫(liu)化橡(xiang)膠(jiao)水密(mi)電(dian)(dian)(dian)(dian)纜(lan)(lan)后(hou)(hou)(hou),電(dian)(dian)(dian)(dian)機能潛(qian)(qian)入水下20米并(bing)正常工(gong)作,從根(gen)本上消除了水進(jin)入電(dian)(dian)(dian)(dian)機的(de)途(tu)徑.

(3)潛水排污(wu)泵轉子軸(zhou)和軸(zhou)承等裝配(pei)(pei)采用熱壓式(shi)裝配(pei)(pei),主要零部件和關鍵部件均在(zai)(zai)數控加(jia)工中心加(jia)工,在(zai)(zai)流水線(xian)上(shang)進行質量控制(zhi),在(zai)(zai)質量檢測中心進行性能測試.

(4)潛水排污泵鑄造運用先進的模(mo)具制(zhi)造技(ji)術,采用亞什蘭工藝制(zhi)芯,三維(wei)空間尺寸精(jing)度準確(que),水力(li)部(bu)件(jian)(jian)和葉片流道部(bu)件(jian)(jian)表面(mian)光(guang)滑、水力(li)效率(lv)高(gao),使零(ling)部(bu)件(jian)(jian)在(zai)制(zhi)造過(guo)程中(zhong)完全符合設計要求.

(5)采用立式(shi)潛水(shui)離心式(shi)排污泵(beng)(beng),可提升自(zi)動藕合式(shi)安(an)裝,無(wu)堵塞葉(xie)輪型式(shi).水(shui)泵(beng)(beng)與潛水(shui)電(dian)機直聯成(cheng)一個整(zheng)(zheng)體.每臺潛水(shui)泵(beng)(beng)能在全浸沒或(huo)潛水(shui)電(dian)機露(lu)出液面的條件下連續(xu)工作,同時能適于連續(xu)運(yun)行、間歇(xie)運(yun)行和長期停止狀態(tai)后恢復(fu)運(yun)行.潛水(shui)離心式(shi)排污泵(beng)(beng)能自(zi)由地(di)通過(guo)固(gu)體顆粒,以(yi)及長纖維(wei)類物質.整(zheng)(zheng)個旋轉零、部件在生(sheng)產過(guo)程中(zhong)進行嚴格的動平衡檢驗,精(jing)度(du)達到(dao)ISO1940 級的要求.

(6)泵(beng)(beng)(beng)是立式(shi)(shi)、單級(ji)及閉(bi)式(shi)(shi)流道式(shi)(shi)葉輪型(xing)潛(qian)(qian)水(shui)泵(beng)(beng)(beng),并(bing)與電(dian)機直接聯(lian)結(jie)成一(yi)體構成整(zheng)泵(beng)(beng)(beng),潛(qian)(qian)水(shui)污(wu)水(shui)泵(beng)(beng)(beng)能夠輸(shu)送(song)原生和未經過濾的污(wu)水(shui),潛(qian)(qian)水(shui)式(shi)(shi)污(wu)泥(ni)泵(beng)(beng)(beng)能夠輸(shu)送(song)城(cheng)市污(wu)水(shui)處理(li)中含固(gu)率在(zai)3-8%之間的各級(ji)沉(chen)淀(dian)污(wu)泥(ni)及濃縮污(wu)泥(ni).

潛水泵(beng)(beng)能自動(dong)穩固地與泵(beng)(beng)的排水連(lian)接(jie)(jie)座耦合連(lian)接(jie)(jie),并且(qie)水泵(beng)(beng)能在(zai)導向索/導桿引導下從泵(beng)(beng)站(zhan)頂部自由(you)滑動(dong)至水泵(beng)(beng)排水連(lian)接(jie)(jie)座,無需工人下至泵(beng)(beng)站(zhan)底部進(jin)行檢查和安裝.

(7)潛水(shui)排污泵機組在無(wu)需看護的情況下(xia),首次無(wu)故障(zhang)運行在25000小時(shi)以(yi)上,整機使用壽命(ming)長(chang)達(da)30年(nian)以(yi)上.

a、泵殼(體)

泵(beng)殼采(cai)用(yong)高強度(du)、晶粒細的鑄鐵制造,內表面(mian)經(jing)加(jia)工,保證(zheng)流道光滑、無瑕(xia)疵(ci),所有水過流部分無銳角,使流速和流向(xiang)變化平穩,通道的斷(duan)面(mian)足夠大,以保證(zheng)所要求(qiu)粒徑(jing)的雜(za)物(wu)都能(neng)通過葉輪(lun),確(que)保泵(beng)長期運行流量不(bu)下降.

泵殼(ke)有足(zu)夠的(de)厚度承受(shou)所有的(de)負荷,包(bao)括靜(jing)壓試驗壓力以(yi)及(ji)連續工(gong)作壓力.靜(jing)壓試驗壓力為額定揚程的(de)倍.在規(gui)定的(de)試驗壓力下,泵的(de)任一部分(fen)不會(hui)變形(xing)或出現變形(xing)的(de)跡(ji)象以(yi)及(ji)其它缺陷.

b、泵葉輪

葉輪具有大流(liu)道平滑無劇烈拐角的無堵(du)塞特性,并經過動平衡試驗,采用優質(zhi)鑄鐵.泵葉輪進行精(jing)心的加工和表面熱(re)噴(pen)涂處理后,噴(pen)涂至少(shao)150微米厚度的防腐涂層(ceng).

葉(xie)輪(lun)用鍵(jian)牢靠地固定在軸上(shang),葉(xie)輪(lun)和軸靠葉(xie)輪(lun)螺母和葉(xie)輪(lun)墊片(pian)緊固,使泵(beng)在正轉(zhuan)或反轉(zhuan)時不會發(fa)生(sheng)松動.

葉輪、轉子作動平(ping)衡試驗(yan),平(ping)衡精度(du)為級,振動烈變不大于(yu)/s

我公司葉輪的加(jia)工(gong),擁(yong)有葉輪外球面(mian)的加(jia)工(gong)夾具(ju)及方法的發明專利(li).

c、磨損環

磨(mo)損(sun)環(huan)分別(bie)安裝在蝸(gua)殼(ke)和葉輪吸入(ru)口上(shang),磨(mo)損(sun)環(huan)在蝸(gua)殼(ke)和葉輪之間(jian)提供有效的(de)(de)密封,并能方便地拆卸(xie)以(yi)便更換.磨(mo)損(sun)環(huan)的(de)(de)使用(yong)壽命(ming)大于一萬(wan)小時.

d、泵軸

泵與電機(ji)同軸,結(jie)構緊湊,軸伸短(duan),減少撓度.運行時振動小,密封和(he)軸承壽命大大提高.

e、泵軸承

軸(zhou)(zhou)承(cheng)是耐磨和脂(zhi)潤(run)滑型(xing)的(de),是耐磨和脂(zhi)潤(run)滑型(xing)的(de),下軸(zhou)(zhou)承(cheng)采(cai)用向(xiang)心推力球軸(zhou)(zhou)承(cheng),上軸(zhou)(zhou)承(cheng)采(cai)用圓柱滾子軸(zhou)(zhou)承(cheng),在所(suo)(suo)有運(yun)行條件(jian)下能夠承(cheng)受所(suo)(suo)有軸(zhou)(zhou)向(xiang)和徑(jing)向(xiang)負(fu)荷,并(bing)完全與泵送的(de)水(shui)流(liu)分開.水(shui)泵在全揚程(cheng)、全流(liu)量范(fan)圍內運(yun)行時的(de)所(suo)(suo)有軸(zhou)(zhou)承(cheng)的(de)壽命(ming)在十萬(wan)小時(100,000小時)以(yi)上.

f、泵密封

①泵軸密封

機(ji)械(xie)密(mi)封(feng)選(xuan)用(yong)優質機(ji)械(xie)密(mi)封(feng),泵軸(zhou)配備機(ji)械(xie)密(mi)封(feng)系統,以防止(zhi)水從電泵下部沿主軸(zhou)向(xiang)上泄漏.機(ji)械(xie)密(mi)封(feng)裝置在油室內運行,密(mi)封(feng)接觸面在常速條件下通(tong)過液壓作用(yong)來潤滑.泵軸(zhou)采用(yong)雙端面機(ji)械(xie)密(mi)封(feng)系統或(huo)兩道(dao)單(dan)端面機(ji)械(xie)密(mi)封(feng),上機(ji)械(xie)密(mi)封(feng)為石墨/碳化鎢(wu)材質,下機(ji)械(xie)密(mi)封(feng)采用(yong)高硬(ying)度、強耐磨(mo)的碳化鎢(wu)材料(liao).

每(mei)臺泵的(de)軸封(feng)系統(tong)必須配備密封(feng)油(you)室(shi)(shi),油(you)室(shi)(shi)的(de)設計(ji)有一定(ding)空間以容納由(you)于溫度變化而引(yin)起膨脹(zhang)的(de)油(you)量.

②接合表面的密封

要求水封(feng)的接觸面都(dou)作機械(xie)加工(gong)和放置丁腈(jing)橡膠O形密(mi)封(feng)圈,靠加工(gong)面之間的配(pei)合(he),使O型圈受(shou)壓達到密(mi)封(feng)目的.

③電纜的密封

電纜不僅有良好的外部進線密封還不夠,還增加電纜末端密封和電纜接線密封.

g、電機

泵的(de)(de)電(dian)(dian)機(ji)采用獨特設計的(de)(de)鼠籠式感電(dian)(dian)機(ji),裝(zhuang)在全封(feng)閉的(de)(de)防(fang)(fang)水(shui)電(dian)(dian)機(ji)殼內(nei).電(dian)(dian)機(ji)防(fang)(fang)護等(deng)級為IP68,定(ding)(ding)(ding)(ding)子(zi)繞(rao)(rao)組和進(jin)線(xian)(xian)的(de)(de)絕(jue)緣(yuan)(yuan)等(deng)級為H級,額(e)定(ding)(ding)(ding)(ding)溫度155℃,電(dian)(dian)機(ji)工作為連(lian)續(xu)(xu)工作制,zui高在40℃環境下(xia)zui大(da)溫升不超過(guo)100K,連(lian)續(xu)(xu)工作,可(ke)滿足每(mei)小時啟動15次(ci)的(de)(de)需要.定(ding)(ding)(ding)(ding)子(zi)繞(rao)(rao)組采用少(shao)膠絕(jue)緣(yuan)(yuan)結(jie)構,將少(shao)膠粉云母帶連(lian)續(xu)(xu)繞(rao)(rao)包的(de)(de)線(xian)(xian)圈(quan)嵌入(ru)定(ding)(ding)(ding)(ding)子(zi)鐵心(xin),經(jing)"VPI"真空壓力浸漆(qi)后(hou)(hou)(hou),烘焙固化,使線(xian)(xian)圈(quan)與(yu)(yu)定(ding)(ding)(ding)(ding)子(zi)鐵心(xin)形(xing)成(cheng)一(yi)(yi)個(ge)整體,此絕(jue)緣(yuan)(yuan)處理工藝通(tong)過(guo)抽真空排除(chu)線(xian)(xian)圈(quan)絕(jue)緣(yuan)(yuan)層內(nei)、鐵心(xin)與(yu)(yu)線(xian)(xian)圈(quan)之間(jian)、鐵心(xin)與(yu)(yu)機(ji)殼之間(jian)的(de)(de)空氣,然后(hou)(hou)(hou)用壓力將浸漬(zi)漆(qi)壓入(ru)到絕(jue)緣(yuan)(yuan)層內(nei)與(yu)(yu)鐵心(xin)與(yu)(yu)線(xian)(xian)圈(quan)之間(jian)空隙(xi)內(nei),使它們成(cheng)一(yi)(yi)個(ge)密實的(de)(de)整體,該絕(jue)緣(yuan)(yuan)體系綜合性能(neng)優異,無氣隙(xi),端部(bu)固定(ding)(ding)(ding)(ding)牢(lao)靠,因(yin)而電(dian)(dian)機(ji)的(de)(de)介損小、介電(dian)(dian)強(qiang)(qiang)度高、機(ji)械強(qiang)(qiang)度高、耐熱性好、導熱性能(neng)提高,運行(xing)可(ke)靠性高,壽命長,保(bao)證電(dian)(dian)機(ji)定(ding)(ding)(ding)(ding)子(zi)繞(rao)(rao)組在浸水(shui)72小時后(hou)(hou)(hou)絕(jue)緣(yuan)(yuan)電(dian)(dian)阻的(de)(de)下(xia)降(jiang)值不會超過(guo)相應標準的(de)(de)規定(ding)(ding)(ding)(ding)值.定(ding)(ding)(ding)(ding)子(zi)繞(rao)(rao)組在制造過(guo)程中進(jin)行(xing)多次(ci)耐壓試(shi)驗(yan)(yan),如繞(rao)(rao)組下(xia)線(xian)(xian)后(hou)(hou)(hou)、浸漆(qi)后(hou)(hou)(hou)、整機(ji)試(shi)驗(yan)(yan)后(hou)(hou)(hou),*后(hou)(hou)(hou)作出廠2UN+1000V的(de)(de)耐壓試(shi)驗(yan)(yan).

電(dian)(dian)(dian)機(ji)有(you)足夠的(de)額定功率(lv),當(dang)泵(beng)在其工作范圍(wei)內(nei)任(ren)何(he)一點上運行時(shi)電(dian)(dian)(dian)機(ji)均不(bu)會(hui)超(chao)負荷.提(ti)供有(you)電(dian)(dian)(dian)機(ji)性能表,內(nei)容包(bao)括從50%負荷到120%負荷時(shi)電(dian)(dian)(dian)機(ji)的(de)轉(zhuan)矩、電(dian)(dian)(dian)流(liu)、功率(lv)因數,輸(shu)入/輸(shu)出功率(lv)和電(dian)(dian)(dian)機(ji)效(xiao)率(lv).

潛水排污泵電機的設計保(bao)持(chi)優良的耐潮、耐壓性能,并能順利啟動,確(que)保(bao)電機的定子繞(rao)組對機殼的冷態絕(jue)緣電阻(zu)在50MW以上.

鼠籠(long)式(shi)異步電(dian)(dian)動機為(wei)自制產(chan)品,電(dian)(dian)動機按(an)濕熱(re)(re)型(xing)設計(ji),具有(you)防潮、防霉、防鹽(yan)霧的(de)(de)(de)性能(neng)(neng),在長期停(ting)機后仍能(neng)(neng)保持優(you)良的(de)(de)(de)耐潮、耐壓(ya)及起動性能(neng)(neng).電(dian)(dian)動機的(de)(de)(de)冷(leng)卻方(fang)法(fa)分內(nei)外(wai)二路(lu)(lu).內(nei)風(feng)路(lu)(lu)的(de)(de)(de)設計(ji),即轉子(zi)自帶(dai)電(dian)(dian)扇,在定子(zi)鐵(tie)心(xin)軛部有(you)軸向風(feng)道(dao),能(neng)(neng)使電(dian)(dian)機轉子(zi)上(shang)產(chan)生的(de)(de)(de)熱(re)(re)量(liang)及定子(zi)繞組端(duan)部生產(chan)的(de)(de)(de)熱(re)(re)量(liang)借助(zhu)內(nei)風(feng)路(lu)(lu)的(de)(de)(de)傳(chuan)遞(di),與定子(zi)鐵(tie)心(xin)內(nei)(包括定子(zi)繞組的(de)(de)(de)直線部分及鐵(tie)心(xin))產(chan)生的(de)(de)(de)熱(re)(re)量(liang)共(gong)同(tong)借助(zhu)于(yu)機座壁(bi)與外(wai)面(mian)冷(leng)卻水流道(dao)里的(de)(de)(de)水進行熱(re)(re)交(jiao)換,從而冷(leng)卻電(dian)(dian)機.機殼(ke)經(jing)靜氣壓(ya)試驗不得有(you)滲(shen)漏現象出現.