Mai kunnawa yana nufin faifan ƙafar ƙafa mai motsi. A cikin famfo na centrifugal, mai kunnawa yana nufin jiki mai jujjuya tare da ruwan wukake wanda ke tura kuzari zuwa ruwa.
Wuraren ƙwanƙolin famfo na centrifugal gabaɗaya masu lanƙwasa ne na baya. Akwai nau'ikan ruwan wukake guda biyu: cylindrical da karkatarwa. Yin amfani da wukake na murƙushewa na iya rage nauyin ruwan wukake, inganta aikin tsotsa na famfo centrifugal, da inganta ƙarfin anti-cavitation, amma masana'anta yana da wahala kuma farashin yana da yawa.
Famfu na centrifugal don tacewa da masana'antar sinadarai yana buƙatar injin da za a jefa ko kuma a yi masa cikakken waldi. Ci gaban welded impellers galibi ana amfani da su don sinadarai na musamman famfo na centrifugal da aka yi da kayan ƙarfe tare da ƙayyadaddun simintin simintin gyare-gyare (kamar baƙin ƙarfe da gaminsa). Daidaitawar geometric da ƙarshen farfajiyar welded impeller sun fi na simintin simintin gyare-gyare, wanda ke da fa'ida don haɓaka ingancin famfon centrifugal.
Dangane da hanyar sarrafawa, ana iya raba impeller zuwa nau'in riveted, nau'in welded da nau'in haɗin kai. Ƙwararren da aka ƙera shi yana nufin daidaitaccen tsarin simintin gyaran kafa da sauran matakai na musamman. Thedaidaitaccen tsarin simintin gyare-gyareyana ceton sa'o'i na mutum da kayan aiki, amma saboda hadadden siffar impeller da manyan bukatun aiki, yana da wuya a tabbatar da cewa simintin gyare-gyare ba su da pores da ƙazanta.
RMC Foundryna iya kera nau'ikan na'urori daban-daban ta amfani da madaidaicin tsarin simintin saka hannun jari da kumaCNC machining daidaici. Za mu iya kera high-daidaici, lalata-resistant impellers daga austenitic bakin karfe, duplex bakin karfe, hazo taurara bakin karfe, da kuma nickel tushen gami.
A halin yanzu, ainihin nau'ikan nau'ikan famfo na centrifugal sune nau'in tashar tashoshi (tashar kwarara guda ɗaya, tashar kwarara sau biyu), nau'in vane (nau'in rufewa, nau'in buɗewa), nau'in centrifugal na karkace da nau'in swirl.
1. Channel Type impeller
Mai shigar da tashar kwarara tashar tashar ruwa ce mai lankwasa daga mashigar zuwa mashigar. Irin wannan impeller ya dace da isar da ruwa mai ɗauke da manyan barbashi na ƙazanta ko dogayen zaruruwa. Domin irin wannan impeller yana da kyau kwarai anti-clogging Properties. Amma rashin amfaninsa shine cewa aikin anti-cavitation yana da rauni fiye da sauran siffofin.
2. Vane Impeller
Semi-buɗewa da buɗewa masu buɗewa a cikin injin vane suna da sauƙin jefawa, kuma suna da sauƙin kiyayewa da tsaftace ƙazantar da aka toshe a cikin tsarin isar da sako. Duk da haka, rashin amfaninsa shi ne cewa rata tsakanin bangon ciki na ruwa mai matsa lamba da ruwa a karkashin abrasion na m barbashi yana karuwa a lokacin aikin sufuri, wanda ya rage yawan aiki na famfo, da kwanciyar hankali na yanayin ruwa. a cikin tashar tashar ruwa ta lalace saboda karuwa a cikin rata. , Yi famfo ya yi rawar jiki, irin wannan nau'in impeller ba sauki don jigilar matsakaici mai dauke da manyan barbashi da dogon fibers. Mai rufaffiyar rufaffiyar yana da ingantaccen aiki kuma yana iya tafiya lafiya na dogon lokaci. Ƙaƙwalwar axial na famfo yana da ƙananan, amma rufaffiyar rufaffiyar yana da sauƙi a raunata, kuma ba shi da sauƙi don jigilar kafofin watsa labarun da ke dauke da manyan barbashi ko dogayen zaruruwa.
3. Spiral Centrifugal Impeller
Karkace centrifugal impellers suna da murɗaɗɗen ruwan wukake waɗanda ke shimfiɗa axially daga tashar tsotsa a jikin madaidaicin madaidaicin. Ruwan da aka kai ba zai taɓa kowane ɓangaren famfo ba lokacin da yake gudana ta cikin ruwan wukake, don haka babu lahani ga famfo, kuma a lokaci guda, ba ya lalata ruwan da aka isar. Saboda ƙaddamarwar dunƙule, ƙwayoyin da aka dakatar suna da ƙarfin wucewa, don haka ana ɗaukar irin wannan nau'in. Ƙwallon famfo na impeller sun dace da yin famfo kafofin watsa labaru masu ƙunshe da manyan barbashi da dogayen zaruruwa.
4. Swirl impeller
Mai juyi mai jujjuyawa shine gabaɗaya ko wani ɓangare na impeller wanda aka ja da baya zuwa tashar kwararar ɗakin ruwa mai matsa lamba, wanda ke da kyakkyawan aikin rigakafin toshewa. Barbashi suna gudana a cikin ɗakin matsa lamba na ruwa a ƙarƙashin haɓakar vortex da aka haifar ta hanyar juyawa na impeller, kuma motsi na barbashi da aka dakatar ba ya samar da makamashi, kuma suna musayar makamashi tare da ruwa a cikin tashar ruwa. A lokacin aikin gudana, ɓangarorin da aka dakatar ko dogayen zaruruwa ba sa tuntuɓar kayan da aka sawa, ruwan wukake sun fi sawa, kuma rata ba ta ƙara girma saboda abrasion. Ya dace da yin famfo kafofin watsa labarai dauke da manyan barbashi da dogayen zaruruwa.
Za'a iya raba abubuwan da ake amfani da su a cikin famfo na centrifugal zuwa nau'i hudu: (a) nau'in rufaffiyar; (b) nau'in buɗaɗɗen rabin gaba; (c) na baya rabin buɗaɗɗen nau'in; (d) nau'in buɗaɗɗe
1. Rufewa impeller
Rufaffen impeller ya ƙunshi ruwan wukake da faranti na gaba da na baya. Mai rufaffiyar rufaffiyar yana da babban inganci kuma yana da wahala a kera shi, kuma ana amfani da shi sosai a cikin famfo na centrifugal. Ya dace da isar da ruwa mai tsabta tare da ƙananan danko kuma babu barbashi, kamar ruwa mai tsabta da mafita.
2. Semi-bude impeller
The Semi-bude impeller gabaɗaya yana da tsari guda biyu: ɗaya shine nau'in buɗewa na gaba, wanda ya ƙunshi farantin murfin baya da ruwan wukake. Ingancin impeller na wannan tsarin yana da ƙasa, kuma ana buƙatar zoben rufewa tare da daidaitacce don inganta haɓakar aiki; ɗayan kuma shine farantin murfin baya da ruwa. Nau'in bude-bude ya ƙunshi farantin murfin gaba da ruwa. Tunda ana iya amfani da zoben rufewa guda ɗaya kamar na rufaffiyar impeller, ingantaccen aiki daidai yake da na rufaffiyar impeller, kuma ruwan ruwa yana da hatimin (baya ko madaidaicin impeller) ban da isar da ruwa. tasiri. The Semi-bude impeller ya dace da isar da ruwa mai ɗauke da daskararru da aka dakatar kamar ƙwararrun ƙwayoyin cuta da zaruruwa. Semi-bude impeller ba shi da wuyar ƙira, ƙarancin farashi, kuma yana da ƙarfin daidaitawa.
3. Buɗe impeller
Buɗaɗɗen impeller yana da ruwan wukake kawai da haƙarƙari masu ƙarfafa ruwa, kuma babu wani injin da ke da faranti na gaba da na baya. The impeller yana da ƙarancin aiki da ƙarancin aikace-aikace, kuma ana amfani dashi galibi don jigilar ruwa tare da babban danko da ruwa mai slurry.
