A halin yanzu, ana amfani da hatimin injina sosai a cikin samfuran famfo, kuma tare da haɓaka fasahar samfura da buƙatun ceton makamashi, aikace-aikacen hatimin injin famfo zai fi girma.Pump injin hatimi ko hatimi, wanda yana da fuskoki biyu masu daidaitawa zuwa ga axis na juyawa, matsa lamba na ruwa ƙarƙashin aikin ƙarfi na roba da hatimin injin a waje da injin diyya, suna da dogaro da ɗayan ƙarshen hatimin taimako. da kiyaye lafiya, da zamewar dangi, don haka Hana zubar ruwa.Wannan labarin zai tattauna hatimin inji don famfo.
1 Al'amari da abubuwan da ke haifar da hatimin inji don zubar famfo
1.1 Matsin lamba zai haifar da hatimin injin don zubar da famfo
Saboda yabo na hatimin injina na aikin injin 1.1.1
Yayin aikin farawa, an dakatar da famfo.Dalilin toshe mashigar famfo, kamar iska mai ɗauke da matsakaita, na iya sa kogon hatimin inji maras kyau.Idan matsi mara kyau na hatimin hatimin, zai haifar da bushewar gogayya a saman hatimin da yayyo na ginanniyar tsarin hatimin inji.Zai haifar da sabon abu na (ruwa).Daban-daban vacuum hatimi da ingantattun hatimin matsi sune rashin daidaituwar abu da rufewa, kuma hatimin injin suna da takamaiman alkibla.
Ma'auni: Ɗauki hatimin injin ƙarshen fuska biyu, wanda ke taimakawa inganta yanayin lubrication da haɓaka aikin hatimi.
1.1.2 Wanda ya haifar da zubar da hatimin inji don famfo tare da matsa lamba mai yawa da igiyar ruwa
Saboda zane na bazara matsa lamba da jimlar matsa lamba rabo ne da girma da kuma hatimi rami matsa lamba wuce 3MPa, shi zai sa karshen surface takamaiman matsa lamba na inji hatimin na famfo ya zama ma girma, yana da wuya a samar da sealing fim. , lalacewa, karuwar zafi, lalacewa ta hanyar nakasar thermal na farfajiyar rufewa.
Ma'auni: Lokacin haɗa hatimin inji, matsawar bazara dole ne ta kasance daidai da ƙa'idodi.Ba a yarda da wuce gona da iri ko ƙananan al'amura.Ya kamata a dauki matakan a ƙarƙashin yanayin manyan hatimin injina.Don tabbatar da danniya mai ma'ana da kuma rage girman lalacewa, ana iya amfani da kayan aiki masu ƙarfi kamar siminti carbide da yumbu, kuma a ƙarfafa matakan sanyaya da lubrication, da zaɓin hanyoyin watsa abin dogara, kamar maɓalli, fil. , da dai sauransu.
1.2 Na lokaci-lokaci yayyo hatimin inji
1.2.1 Jijjiga na lokaci-lokaci na rotor.Dalilin shi ne cewa stator da ƙananan ƙarshen murfin ba su kasance a ciki ko waje da ma'auni tsakanin impeller da babban shaft, cavitation ko lalacewa (sawa), wanda zai rage rayuwar hatimin inji.
Ma'auni: Magance matsalar zubar hatimin inji na lokaci-lokaci bisa ga ka'idojin kulawa.
1.2.2 Ƙaƙwalwar axial na rotor na famfo yana tsoma baki tare da adadin hatimi na kayan aikin taimako da shaft, kuma zoben motsi ba zai iya motsawa a hankali a kan shaft ba.A cikin jujjuyawar famfo, mai ƙarfi, ƙarar zobe na tsaye, babu matsugunin ramuwa.
Ma'auni: A cikin na'urar hatimi na inji, madaidaicin ramin axial ya kamata ya zama ƙasa da 0.1mm, kuma hatimin inji da adadin shaft don tsangwama famfo mai taimako ya kamata ya zama matsakaici.Yayin da ake tabbatar da hatimin radial, tabbatar da cewa za a iya motsa ramin a hankali a cikin taron zobe mai motsi (matsalar matsa lamba na zobe).Ruwan bazara na iya komawa da yardar rai).
Rashin isasshen adadin man mai a saman yana faruwa ta bushewar gogayya ko ƙirar injin hatimi don bututun da aka rufe.
Ma'auni: Tsawon saman man mai na ramin ɗakin mai ya kamata a ƙara zuwa saman daɗaɗɗen zoben da ke sama.
1.3.Wasu matsalolin da ke haifar da zubewar hatimin inji don famfo
1.3.1 Ƙarshen shaft (ko hannun riga) na hatimi na injiniya da shigarwa na zobe da ƙarshen farfajiyar shigarwa (ko gidaje) na zoben hatimin hatimi na gland shine ya kamata a chamfered, kuma taron shine don guje wa tabo. zoben rufewa.
1.3.2 Dole ne matsawar bazara ta kasance daidai da ƙa'idodi.Ba a yarda da wuce gona da iri ko ƙananan al'amura.Kuskuren shine 2mm.Matsawa mai yawa yana ƙara takamaiman matsi na ƙarshen fuska, matsanancin zafi mai zafi, da lalacewa ta sama yana haifar da nakasar thermal da haɓakar yanayin rufewa, da adadin matsawa Idan zoben a tsaye ya yi ƙanƙanta, takamaiman matsa lamba na ƙarshen fuskar bai isa ba. kuma ana iya rufewa.
Lokacin aikawa: Dec-17-2021