Indima Yezimpawu Zomshini Embonini Kawoyela Nekaphethroli

Isingeniso

Izivalo zemishini zidlala indima ebalulekile embonini kawoyela kanye ne-petrochemical, lapho izimo ezinzima, amazinga okushisa aphezulu, kanye namakhemikhali anamandla kuvame ukuba khona. Lezi zimboni zithembele kakhulu ekusebenzeni kwezivalo zemishini ukuze zigcine ubuqotho bezinhlelo ezahlukene, kufaka phakathi amaphampu, ama-mixer, ama-compressor, kanye nama-reactor. Isivalo esingasebenzi kahle noma esakhiwe kabi singaholela ekuvuza koketshezi, ukungcola kwemvelo, isikhathi esengeziwe sokungasebenzi, kanye nokulungiswa okubizayo.

Lesi sihloko sigxila ekusetshenzisweni okubalulekile kwezivalo zemishini embonini kawoyela kanye ne-petrochemical, siqokomisa ukubaluleka kwazo, izici ezithonya ukukhethwa kwezivalo, kanye nezinto ezintsha ezithuthukisa ubuchwepheshe bezivalo.

Kuyini uphawu lwemishini?

I-mechanical seal iyithuluzi elisetshenziselwa ukuvimbela ukuvuza okuvela emishinini ejikelezayo, njengamaphampu nama-compressor, ngenkathi kugcinwa i-tight seal phakathi kwe-shaft kanye nezingxenye ezimile. I-mechanical seals yenzelwe ukusingatha izimo eziguquguqukayo, lapho i-rotation shaft idala ukungqubuzana ebusweni be-standalone seal. Umsebenzi oyinhloko we-mechanical seal ukuhlinzeka ngesithiyo sokuvimbela ukuphuma koketshezi noma amagesi, ngaleyo ndlela kuqinisekiswe ukuphepha nokusebenza kahle kwemisebenzi.

Izivalo zemishini zisetshenziswa kabanzi emishinini eyahlukahlukene ukuphatha uketshezi oluhlanzekile nolungcolile, okuhlanganisa izinto eziyingozi njenge-acid, ama-alkali, kanye nemikhiqizo ye-petrochemical. Njengoba zidlala indima ebalulekile ekuqinisekiseni ukuphepha kokusebenza kanye nokuvikelwa kwemvelo, ukukhethwa kwezivalo zemishini kudinga ukucatshangelwa ngokucophelela izici eziningi.

Ukubaluleka Kwezimpawu Zomshini Embonini Kawoyela Nekaphethroli

Imboni kawoyela kanye ne-petrochemical iphawuleka ngezinqubo eziyinkimbinkimbi ezihilela ukuphatha amakhemikhali ahlukahlukene anolaka, izinto ezivuthayo, kanye nezimo zokusebenza ezimbi kakhulu. Ezinye zezinselele ezivamile zifaka:

• Izindawo ezilimazayo nezihlukumezayo:Amakhemikhali anjenge-asidi, ama-alkali, ne-chlorine avamile kulezi zimboni, angagqwala futhi aguge izivalo ngokushesha.

• Izimo zokucindezela okuphezulu kanye nokushisa okuphezulu:Imishini ivame ukusebenza ngaphansi kwezingcindezi ezinkulu kanye namazinga okushisa, izivalo ezidinga amandla ezingamelana nokucindezeleka okukhulu kwemishini kanye nokushisa.

• Ingozi yokungcoliswa kwemvelo:Izinqubo eziningi ze-petrochemical zihilela izinto eziyingozi, okungathi uma zivuza, zibangele umonakalo omkhulu emvelweni noma izingozi zokuphepha.

Izivalo zemishini zinciphisa lezi zingozi ngokunikeza ikhambi lokuvala elithembekile elivimbela ukuvuza, liqinisekise ukusebenza kahle kohlelo, futhi livikele kokubili imvelo kanye nempilo yabantu.

Ukusetshenziswa Kwezimpawu Zomshini Embonini Kawoyela Nekaphethroli

1. Amaphampu nama-Compressor

Amaphampu nama-compressor yizinto ezivame kakhulu ezidinga izivalo zemishini embonini yamakhemikhali kaphethiloli. Le mishini isetshenziswa kakhulu ekusetshenzisweni okufana nokuthuthwa kukawoyela ongahluziwe, igesi yemvelo, kanye nokudla kwamakhemikhali.

• Amaphampu: Ezinhlelweni zokupompa, izivalo zemishini zisetshenziselwa ukuvimbela ukuvuza koketshezi, njengowoyela noma igesi, eduze komgodi ojikelezayo. Izivalo zibaluleke kakhulu ekuvimbeleni ukuphuma koketshezi oluyingozi, ukuqinisekisa ukuphepha kwemvelo kanye nabasebenzi. Kungakhathaliseki ukuthi zisebenza ngowoyela ongahluziwe, imikhiqizo kaphethiloli ehlanziwe, noma amakhemikhali, izivalo zemishini zigcina ingcindezi efanele kanye nokugeleza kohlelo.

• Ama-compressor: Izivalo zemishini zibalulekile kuma-compressor aphatha ukucindezelwa kwegesi ezisetshenziswayo ezahlukahlukene, okuhlanganisa ukukhiqizwa kwegesi yemvelo kanye nokucutshungulwa kwe-petrochemical. Izivalo zivimbela ukuvuza kwegesi ecindezelwe kanye nanoma yiluphi uketshezi lokugcoba olusetshenziswa enqubweni yokucindezelwa. Kuma-compressor, ukwehluleka kwezivalo kungaholela ekuvuvukeni kwegesi okubi kakhulu, okunemiphumela emibi kakhulu kwezemvelo kanye nokuphepha.

2. Izinhlelo Zokuxuba Nokuvusa

Ezinqubweni eziningi ze-petrochemical, ukuxuba nokuxuba kuyadingeka ukuze kuhlanganiswe kahle amakhemikhali, uphethiloli, noma izinyibilikisi. Izivalo zemishini zisetshenziswa kuma-agitator kanye nama-mixer ukuvimbela okuqukethwe ukuthi kungaphumi, ikakhulukazi lapho amakhemikhali acutshungulwayo enobuthi noma eguquguqukayo.

Isibonelo, ekukhiqizweni kwamafutha nezinto zokwenziwa, izivalo zemishini zigcina ingcindezi futhi zivimbele ukuvuza kuma-mixer ajikelezayo ngesivinini esikhulu. Lezi zivalo ziqinisekisa ukuthi ubuqotho besistimu buyagcinwa nokuthi akukho mphunga oyingozi noma oqhumayo ovunyelwe ukuphuma.

3. Ama-reactor kanye namakholomu okuhluza

Imboni kawoyela kanye ne-petrochemical ithembele kakhulu kuma-reactor kanye namakholomu okuhluza ukuze kukhiqizwe amakhemikhali ahlukahlukene, kusukela ekucwengisiseni uwoyela ongahluziwe kuya ekukhiqizeni amakhemikhali okwenziwa kanye namapulasitiki. Izisimbiso zemishini zisetshenziswa kuma-reactor ukuvimbela ukuvuza kwezinto zamakhemikhali, kugcina ingcindezi edingekayo ukuze kutholakale ukusabela okuhle.

Ezinkombeni zokucwenga, izivalo zemishini zivimbela ukuvuza ohlelweni ngenkathi zigcina amakhemikhali aguquguqukayo equkethwe. Izinqubo zokucwenga zivame ukusebenza emazingeni okushisa aphezulu kanye nokucindezela, ngakho-ke izivalo zidinga ukwakhiwa ngokucophelela ukuze zikwazi ukumelana nalezi zimo futhi zivimbele ukwehluleka okungaholela ezingozini ezinkulu noma ekulahlekelweni kwezimali.

4. Izishintshi Zokushisa

Ama-heat exchanger adlala indima ebalulekile ekudlulisweni kokushisa phakathi koketshezi oluhlukene ezinqubweni ezahlukahlukene ze-petrochemical. Ama-mechanical seal asetshenziswa kulezi zinhlelo ukuvimbela ukuvuza kwezinto eziyingozi. Kuma-heat exchanger, ama-seal ayadingeka ukuze kugcinwe ukugeleza koketshezi ngaphandle kokungcola noma ukuvuza phakathi kwamapayipi okushintshanisa ukushisa nendawo engaphandle.

Ama-heat exchanger avame ukuphatha uketshezi olubolayo nolushisa kakhulu, okwenza ukukhetha izivalo zemishini ezisebenza kahle kakhulu kubalulekile. Uma izivalo zihluleka kulezi zinhlelo, kungabangela ukuvuza kwamakhemikhali ayingozi noma ukwenyuka kwezinga lokushisa okungalawulwa, kokubili okungaholela emiphumeleni emikhulu yezezimali kanye neyokuphepha.

5. Amapulatifomu Kawoyela Negesi Angaphandle Kwaselwandle

Izindawo zokugaya uwoyela zasogwini kanye namapulatifomu egesi zivame ukubhekana nezimo ezimbi kakhulu, okuhlanganisa izindawo ezinomfutho ophezulu, amanzi olwandle agqwalisayo, kanye namazinga okushisa ashintshashintshayo. Izivalo zemishini zibalulekile kulezi zindawo ukuvimbela ukuvuza koketshezi oluvela kumaphampu, kuma-compressor, kanye nama-turbine. Isibonelo, izivalo ezikumaphampu e-centrifugal noma eminye imishini ebalulekile kudingeka zingagqwali futhi zikwazi ukumelana nezimo ezinzima zasogwini.

Izivalo ezisemapulatifomu asogwini lolwandle kumele ziqine ngokwanele ukuze zikwazi ukubekezelela ukudlidliza nokunyakaza okuqhubekayo kwepulatifomu ngenkathi zigcina umsebenzi wazo wokuvala ezingcindezini nasezingeni lokushisa elishintshashintshayo. Ukwehluleka kwezivalo zemishini kulezi zindawo kungaholela ekuchithekeni kukawoyela okubizayo, ekulimaleni kwemvelo, kanye nokulahlekelwa yimpilo.

Izici Okufanele Zicatshangelwe Ekukhetheni Izisimbozo Zemboni Kawoyela Nekaphethroli

Ukukhethwa kwesivalo esifanele semishini kubalulekile ekugcineni ukusebenza kahle, ukuphepha, kanye nokuthembeka kwesikhathi eside embonini kawoyela kanye ne-petrochemical. Izici eziningana zithonya ukukhethwa kwesivalo:

1. Uhlobo Loketshezi Oluphathwayo

Uhlobo loketshezi olucutshungulwayo lungenye yezinto ezibaluleke kakhulu okufanele uzicabangele lapho ukhetha izivalo zomshini. Izivalo ezahlukene zinezici zamakhemikhali ezahlukene, ezingadinga izivalo ezikhethekile ezingamelana nokugqwala noma ukuguguleka.

• Uketshezi Olubhubhisayo: Uma kuphathwa amakhemikhali agqwalisayo, izivalo ezenziwe ngezinto ezifana nekhabhoni, i-ceramic, kanye ne-tungsten carbide zivame ukuthandwa.

• Ukuthamba: Ukujiya koketshezi nakho kuthinta ukwakheka kwesivalo. Uketshezi olunamandla okujiya lungadinga izivalo ezinezinto zobuso ezikhethekile ukuze kugwenywe ukungqubuzana okukhulu.

• Uketshezi Olunobuthi Noma Oluguquguqukayo: Ekuphatheni uketshezi oluyingozi noma oluvuthayo, izivalo kumele zenzelwe ukunciphisa ingozi yokuvuza. Izivalo ezimbili noma izivalo zekhatriji zivame ukusetshenziswa ukuqinisekisa ukuvimba ukuvuza kulezi zimo.

2. Izinga Lokushisa Nokucindezela Kokusebenza

Izivalo zemishini kumele zikhethwe ngokusekelwe ezimweni zokusebenza, okuhlanganisa izinga lokushisa kanye nengcindezi. Izinqubo eziningi ze-petrochemical zisebenza emazingeni okushisa aphezulu kanye nengcindezi, okungabangela ukuwohloka kwesivalo uma izinto kanye nomklamo kungafaneleki ezimweni ezinjalo.

• Ukumelana Nokushisa: Izinto ezisetshenziswa ezivalweni kumele zikwazi ukumelana namazinga okushisa aphezulu okusebenza ngaphandle kokushintsha noma ukulahlekelwa ikhono lazo lokuvala.

• Ukumelana Nokucindezela: Izivalo zidinga ukusingatha ukucindezeleka okuhilelekile ekupompeni amanzi ajulile noma ukusebenza kokucindezela okuphezulu kwama-reactor nama-compressor.

3. Ukuhambisana kwezinto ezibonakalayo

Izinto ezisetshenziswa ezivalweni zemishini kumele zihambisane noketshezi kanye nezimo zokusebenza. Ukukhetha izinto ezifanele ubuso besivalelo, izipilingi, kanye nezivalo zesibili kubalulekile ukuqinisekisa ukuthi izivalo zihlala isikhathi eside futhi zisebenza kahle.

• Izinto ZensimbiIzinto ezivamile zokuvala izivalo zifaka insimbi engagqwali, ama-alloy, nezinto ezingavamile ezifana ne-Hastelloy ne-Inconel, ezimelana nokugqwala kanye nokushisa okukhulu.

• Izinto Ezingezona EzensimbiAma-elastomer, ama-ceramics, kanye ne-carbon kuvame ukusetshenziswa ezivalweni zemishini ukuphatha uketshezi oluhlukahlukene.

4. Uhlobo Lokuvala Nokucushwa

Kunezinhlobo eziningana zezimbobo zomshini, ngayinye ifanele ukusetshenziswa okuhlukile. Izinhlobo ezivame kakhulu zifaka:

• Izimphawu Ezizodwa: Kuhle kakhulu ekusingatheni izimo zokucindezela okuphakathi kanye nokushisa, izivalo ezilodwa zivame ukusetshenziswa ezinhlelweni zokucindezela okuphansi.

• Izisimbozo Ezimbili: Uma kusetshenziswa ezindaweni lapho ingozi yokuvuza iphezulu kakhulu, izivalo ezimbili ziqukethe amasethi amabili obuso obusebenza ndawonye ukuze kuvinjelwe ukuvuza koketshezi ngempumelelo. Izivalo ezimbili zibaluleke kakhulu ekuphatheni amakhemikhali ayingozi, aguquguqukayo, noma anobuthi.

Ubuchwepheshe Bokusungula Izivalo Zemishini

Eminyakeni edlule, ubuchwepheshe bokufaka uphawu lwemishini buthuthuke kakhulu, ngentuthuko ezintweni zokwakha, imiklamo, kanye namasu okukhiqiza. Ezinye zezinto ezintsha ezibalulekile zifaka:

• Izinto Zobuso Bekhabhoni: Ukuthuthukiswa kwezinto ezithuthukisiwe zekhabhoni zezimbozo zemishini kuthuthukise ukusebenza kahle ekuphatheni amakhemikhali anolaka kanye namazinga okushisa aphezulu.

• Izivalo ezinezinzwa ezihlanganisiwe: Izimbobo zesimanje zivame ukuza zihlonyiswe ngezinzwa eziqapha ukusebenza kwezimbobo, zixwayisa abaqhubi ngezinkinga ezifana nokuvuza, ukuguguleka, noma ukushintshashintsha kwezinga lokushisa ngaphambi kokuba kube yinhlekelele.

• Ama-Elastomer Asebenza Kakhulu: Ukusungula izinto ezintsha kubuchwepheshe be-elastomer kuholele ezintini ezimelana kakhulu namazinga okushisa aphezulu, amakhemikhali kanye nokucindezela.

Lezi zinto ezintsha zenza izivalo zemishini zithembeke futhi zisebenze kahle, okube sekuthuthukisa ukuphepha kanye nokusebenza kahle kokusebenza kwamafutha kanye namakhemikhali kaphethiloli.

Isiphetho

Izivalo zemishini ziyizingxenye ezibalulekile embonini kawoyela nekaphethiloli, lapho zidlala indima ebalulekile ekuqinisekiseni ukusebenza kwemishini okuphephile, okusebenzayo, nokunomthwalo wemfanelo emvelweni. Ngokuvimbela ukuvuza, ukuvikela ekungcoleni, nokugcina ubuqotho bohlelo ngaphansi kwezimo ezimbi kakhulu, lezi zivalo zibalulekile empumelelweni yezinqubo zezimboni zanamuhla. Njengoba ubuchwepheshe buqhubeka nokukhula, izivalo zemishini ngokungangabazeki zizothuthuka kakhulu, ziqinisekise ukuthembeka okukhulu nokuphepha kwezimboni ezibhekene nezinto ezibalulekile futhi ezivame ukuba yingozi.