Pafupifupi zinthu zonse zomwe zimapita ku moyo wodalirika wa mpope zimafika kwa wogwiritsa ntchito, makamaka momwe pampu imagwiritsidwira ntchito ndi kusamalidwa. Ndi zinthu ziti zomwe wogwiritsa ntchito amatha kuwongolera kuti awonjezere moyo wa mpope? Mfundo 13 zotsatirazi ndizofunika kuziganizira pakutalikitsa moyo wa mpope.

1. Mphamvu Zamagetsi

Ziwerengero zamakampani zikuwonetsa kuti chomwe chimayambitsa kutsika kosakonzekera kwa mapampu apakati ndi kulephera komanso/kapena kulephera kwa makina. Ma bearings ndi zisindikizo ndi "canaries mu mgodi wa malasha" - ndizizindikiro zoyambirira za thanzi la mpope komanso kalambulabwalo wa kulephera mkati mwa makina opopera. Aliyense amene wagwirapo ntchito pamakampani opopera kwa nthawi yayitali mwina amadziwa kuti njira yoyamba yabwino ndiyo kugwiritsa ntchito mpope pamalo kapena pafupi ndi Best Efficiency Point (BEP). Pa BEP, mpopeyo idapangidwa kuti izitha kupirira mphamvu zochepa zama radial. Pamene ikugwira ntchito kutali ndi BEP, chotsatira cha mphamvu ya mphamvu zonse za radial chili pamtunda wa 90 ° kupita ku rotor ndikuyesera kupotoza ndi kupindika pampu. Mphamvu zowunikira kwambiri komanso kupotoza kwa shaft ndizomwe zimapha makina osindikizira komanso zomwe zimathandizira kufupikitsa moyo wobereka. Ngati mphamvu za radial ndi zazikulu mokwanira, zimatha kupangitsa kuti shaft itembenuke kapena kupindika. Ngati muyimitsa mpope ndikuyesa kutha kwa shaft, simudzapeza cholakwika chifukwa ichi ndi chikhalidwe champhamvu, osati chokhazikika. Shaft yopindika yomwe imayenda pa 3,600 rpm imapatuka kawiri pakusintha kulikonse, motero imapindika ka 7,200 pamphindi. Kupotoka kwapamwamba kumeneku kumapangitsa kuti zikhale zovuta kuti nkhope zosindikizira zisamagwirizane ndi kusunga madzi (filimu) yofunikira kuti chisindikizo chizigwira ntchito bwino.

2. Kuipitsidwa kwa Mafuta

Kwa mayendedwe a mpira, kuposa 85% ya zolephera zonyamula zimayamba chifukwa cha kuipitsidwa, komwe kumatha kukhala fumbi ndi zinthu zakunja kapena madzi. Magawo 250 okha pa miliyoni imodzi (ppm) amadzi amatha kuchepetsa kubala moyo ndi gawo limodzi mwa magawo anayi. Moyo wamafuta ndi wofunikira.

3. Kuthamanga Kwambiri

Zinthu zina zofunika kwambiri zomwe zimakhudza moyo wa kubala ndi kukakamiza kuyamwa, kulumikizana ndi madalaivala, komanso kupsinjika kwa mapaipi. Pakuti ANSI B 73.1 limodzi siteji yopingasa overhung ndondomeko mapampu, mphamvu axial kwaiye pa rotor ndi cha ku doko suction, kotero kumlingo wina ndi malire ena, zimene suction kuthamanga kwenikweni kuchepetsa axial mphamvu, potero kuchepetsa kukankha katundu wonyamula katundu. ndi kuwonjezera moyo wamapampu akuya bwino ofukula turbine.

4. Kuwongolera kwa Madalaivala

Kusalumikizana bwino kwa mpope ndi dalaivala kumatha kudzaza ma radial. Moyo wa ma radial bearing umagwirizana kwambiri ndi kuchuluka kwa kusalongosoka. Mwachitsanzo, ndi zolakwika zazing'ono (zolakwika) za mainchesi 0.060 okha, wogwiritsa ntchito mapeto akhoza kukumana ndi mavuto obereka kapena ophatikizana pambuyo pa miyezi itatu kapena isanu yogwira ntchito. Komabe, ngati kusanja kolakwika ndi mainchesi 0.001, mpope womwewo utha kugwira ntchito kwa miyezi yopitilira 90.

5. Kupsyinjika kwa Chitoliro

Kuvuta kwa mapaipi kumachitika chifukwa cha kusayenda bwino kwa mapaipi oyamwa ndi/kapena otulutsa ndi mapaipi otuluka. Ngakhale pamapangidwe amphamvu a pampu, kukhathamira kwa chitoliro kumatha kusamutsa mosavuta kupsinjika komwe kungakhale kokulirapo kuma bearings ndi kukwanira kwawo kolingana ndi nyumba. Mphamvu (kupsyinjika) kungapangitse kuti kubereka kusakhale kozungulira komanso / kapena kusagwirizanitsa ndi ma bere ena, zomwe zimapangitsa kuti mizere yapakati ikhale pa ndege zosiyanasiyana.

6. Zinthu zamadzimadzi

Zinthu zamadzimadzi monga pH, viscosity, ndi mphamvu yokoka yeniyeni ndizofunikira kwambiri. Ngati madziwa ndi acidic kapena corrosion, kutuluka-kupyola mbali za a pampu yakuya ya turbine yakuya bwino monga thupi la mpope ndi choyikapo zimayenera kukhala zosagwira dzimbiri. Zolimba zomwe zili mumadzimadzi ndi kukula kwake, mawonekedwe ake, ndi kuphulika kwake ndizo zonse.

7. Kawirikawiri Kagwiritsidwe

Kugwiritsa ntchito pafupipafupi ndi chinthu chinanso chofunikira: Kodi mpope umayamba kangati panthawi yoperekedwa? Ndadzionera ndekha mapampu omwe amayamba ndikuyima masekondi angapo aliwonse. Kuvala pamapampuwa kumakhala kokwera kwambiri kuposa pamene pampu ikugwira ntchito mosalekeza pansi pamikhalidwe yomweyi. Pankhaniyi, dongosolo la dongosolo liyenera kusinthidwa.

8. Net Positive Suction Head Margin

Kukula kwapakati pakati pa Net Positive Suction Head Available (NPSHA, kapena NPSH) ndi Net Positive Suction Head Required (NPSHR, kapena NPSH Required), mwinanso chitsime chakuya. pampu yoyimirira ya turbine adzakhala cavitate. Cavitation imawononga pompopompo, ndipo kugwedezeka kwake kumatha kukhudza moyo wa zisindikizo ndi mayendedwe.

9. Kuthamanga kwa Pampu

Liwiro lomwe pampu imagwira ntchito ndi chinthu china chofunikira. Mwachitsanzo, pampu yomwe ikuyenda pa 3,550 rpm idzavala nthawi zinayi mpaka zisanu ndi zitatu mofulumira kuposa yomwe ikuyenda pa 1,750 rpm.

10. Impeller Balance

Zopondera zopanda malire pa mapampu a cantilever kapena mapangidwe ena oyimirira angayambitse kugwedezeka kwa shaft, mkhalidwe womwe umasokoneza tsinde, mofanana ndi mphamvu za radial pamene mpope ikuthawa BEP. Kutembenuka kwa radial ndi shaft kugwedezeka kumachitika nthawi imodzi.

11. Kukonzekera kwa Mapaipi ndi Kuthamanga kwa Inlet Flow

Chinthu chinanso chofunikira choganizira pakukulitsa moyo wa mpope ndi momwe mapaipi amapangidwira, mwachitsanzo, momwe madziwo "amakwezera" mu mpope. Mwachitsanzo, chigongono pa ndege yowongoka pambali yoyamwa pampu sichikhala ndi zotsatira zowononga kwambiri kuposa chigongono chopingasa - kutsitsa kwa hydraulic kwa impeller ndikokwanira, chifukwa chake mayendedwe amanyamulidwa mofanana.

12. Kutentha kwa Pampu

Kutentha kwa pampu, kaya ndi kotentha kapena kozizira, makamaka kutentha kwa kutentha, kumatha kukhudza kwambiri moyo ndi kudalirika kwa mpope wakuya wowongoka. Kutentha kwa ntchito ya mpope ndikofunika kwambiri ndipo pampu iyenera kupangidwa kuti igwirizane ndi kutentha kwa ntchito. Koma chofunika kwambiri ndicho kusintha kwa kutentha.

13. Kulowera kwa Pampu Casing

Ngakhale sizimaganiziridwa nthawi zambiri, chifukwa chomwe kulowera kwapampu ndi njira yosankha m'malo mokhala muyezo wa mapampu a ANSI ndikuti kuchuluka kwa malowedwe a pampu kudzakhala ndi zotsatira pa moyo wa mpope, chifukwa malowa ndi malo oyambira omwe amawononga dzimbiri. kupsinjika maganizo (kukwera). Ogwiritsa ntchito ambiri amafuna kuti chotengeracho chibowoledwe ndikubowoleredwa kuti chikhetse, kutulutsa mpweya, madoko a zida. Nthawi zonse dzenje likabowoledwa ndikugundidwa pa chipolopolocho, kupanikizika kumasiyidwa m'zinthu, zomwe zimakhala gwero la ming'alu ya nkhawa ndi malo omwe dzimbiri zimayambira.

Zomwe zili pamwambazi ndizongogwiritsa ntchito. Pamafunso enieni, chonde lemberani CREDO PUMP.