Ungawagcina Kanjani Futhi Uwagcine Kahle Amavalufu Esango Eliyisipele: Amathiphu Ochwepheshe Okuvimbela Ukugeleza Kwasemuva

Ama-valve amasango e-backup, ama-backflow valves, nama-valve okuvimbela ukugeleza kwe-backflow yizingxenye ezibalulekile kumapayipi, ukuchelela, nezinhlelo zezimboni. Zivikela ekungcoleni ngokuvimbela ukugeleza kwamanzi okubuyela emuva nokuqinisekisa ubuqotho besistimu. Kodwa-ke, ukugcinwa nokugcinwa okungalungile kungaphazamisa ukusebenza kwazo, okuholela ekulungiseni okubizayo noma ekushintshweni. Kulo mhlahlandlela, sizohlola izinyathelo ezisebenzayo zokugcina kanye nokugcina lawa ma-valve ngempumelelo.

Izinqubo Zokugcinwa Kwevaluvu Nokugcina

Ukuhlanza ukubukeka

Sula ingaphandle levalvu ngendwangu ehlanzekile njalo ngenyanga ukuze ukhiphe uthuli, uwoyela nemfucumfucu.
Ngokungcola okunzima ukukususa, sebenzisa okokugeza okuthambile, kodwa gwema ukusebenzisa amakhemikhali adla kakhulu.

Ukusebenza kokugcoba

Gcoba inani elifanele lokuthambisa emicu, kushafti nakwezinye izingxenye ezinyakazayo zevalvu njalo ngekota.
Ngaphambi kokufaka isicelo, susa i-lubricant endala nokungcola ebusweni bezingxenye ukuze uqinisekise umphumela wokugcoba.

Ukuhlola uphawu

Hlola ukusebenza kokuvala kwe-valve kanye ngenyanga ukuze ubone ukuthi kukhona yini ukuvuza esimweni esivaliwe.
Ungahlulela ukuthi ukusebenza kokuvala kuhle yini ngokusebenzisa ingcindezi nokusebenzisa ama-ejenti okuthola ukuvuza noma ukubuka amabhamuza.

Izinqubo zokusebenza zokulondoloza

Ukuhlolwa kokuguquguquka kokusebenza

Yenza umsebenzi owenziwe ngesandla kanye njalo ezinyangeni eziyisithupha ukuze uhlole ukuguquguquka nokumelana kwe-valve ezindaweni ezivuleke ngokugcwele nezivaliwe ngokugcwele.
Uma uthola ukuthi ukuhlinzwa kubambekile noma ukumelana okungavamile, udinga ukuthola imbangela futhi ubhekane nakho kusenesikhathi.
Ukuhlolwa kwezingxenye

Yenza ukuhlola okuphelele kokuhlakazeka kwe-valve minyaka yonke, ugxile ekugugekeni nasekulinyameni kwesiqu se-valve, umgogodla we-valve kanye nesihlalo se-valve.
Qinisekisa ukuthi akukho imihuzuko nokugqwala endaweni yesiqu se-valve. Ukugqokwa okuncane kungapholishwa; uma i-valve core kanye nesihlalo se-valve zigugile kakhulu, zigqwalile noma zikhubazekile, kufanele zishintshwe ngesikhathi.
Ukwelashwa kwe-anti-corrosion

Kumavalvu avezwe ezindaweni ezinomswakama noma ezigqwalile, i-anti-corrosion coating idinga ukuhlolwa futhi ilungiswe njalo.
I-hot-dip galvanizing, ukudweba nezinye izindlela zingasetshenziselwa ukuvikela ukuze kuqinisekiswe ukuthi i-valve ingakwazi ukugcina ukusebenza kahle ezindaweni ezinokhahlo.
Ukuhlolwa kwengcindezi

Amavalvu asanda kufakwa noma alungiswe kufanele ahlolwe ingcindezi ngaphambi kokuba asetshenziswe ukuze kuqinisekiswe ukusebenza kwawo kokuphepha.
Kuma-valve asebenza ngokujwayelekile, kunconywa ukwenza ukuhlolwa kwengcindezi njalo eminyakeni engu-1-2 ukuze kuqinisekiswe ukuthi ukusebenza kwawo kuzinzile futhi kuthembekile.
Ukurekhoda nokugcina kungobo yomlando

Yenza amarekhodi anemininingwane omsebenzi ngamunye wokunakekela nokunakekela, okuhlanganisa isikhathi sokusebenza, abasebenzi, okuqukethwe, izinkinga ezitholakele kanye nemiphumela yokwelashwa.
Londoloza kahle amarekhodi afanelekile ukuze kube lula ukuhlaziya okuzayo nokwenza ngcono ukusetshenziswa kwama-valvu nomsebenzi wokulungisa.

Lapho wenza imisebenzi yokulungisa nokulungisa ama-valve, yonke imithetho yokuphepha kufanele igcinwe ngokuqinile. Ngaphambi kokusebenza, kufanele kuqinisekiswe ukuthi uhlelo luyeke ngokuphelele ukusebenza futhi ingcindezi ikhululiwe. Ngesikhathi esifanayo, opharetha kudingeka abe namakhono ochwepheshe ahambisanayo nolwazi olucebile ukuze aqinisekise ukuphepha nokusebenza ngempumelelo komsebenzi wokulungisa.

Ukugcinwa nokulungisa amaphuzu ezinhlobo zama-valve ezivamile

I-valve yesango:

Ngesikhathi sokulungiswa, i-valve yesango kufanele igcinwe ekamelweni elomile nelingena umoya, futhi zombili iziphetho zephaseji kufanele zivalwe. Hlola njalo ukugqokwa kwendawo yokuvala kanye nentambo ye-trapezoidal, susa ukungcola ngesikhathi futhi usebenzise amafutha e-anti-rust. Ngemva kokufaka, qiniseka ukuthi wenza ukuhlolwa kokusebenza kokuvala uphawu.

Ngesikhathi sokulungiswa, uma indawo yokubeka uphawu igugile, imbangela kufanele itholakale futhi ukwelashwa okuhambisanayo noma ukushintshwa kwezingxenye kufanele kwenziwe. Ngesikhathi esifanayo, qiniseka ukuthi isango lisesimweni esivuleke ngokugcwele noma elivalwe ngokugcwele, gwema ukulisebenzisa ukuze ulungise ukugeleza, ukuze ugweme ukuguguleka nokuguga okusheshayo kwendawo yokuvala. Isondo lesandla kufanele lisetshenziselwe ukusebenza kokushintsha, futhi umgomo wokuzungeza njengewashi lokuvala nokuzungezisa ngokuphambene newashi ukuze uvule kufanele ulandelwe.

I-globe valve:

Indlela yokulondoloza ifana neye-valve yesango, kodwa kufanele kuqashelwe isiqondiso sokugeleza koketshezi ngesikhathi sokufakwa ukuze kuqinisekiswe ukuthi uketshezi lugeleza ku-valve ukusuka phansi kuya phezulu. Yigcine ihlanzekile ngesikhathi sokuyisebenzisa futhi wengeze okokugcoba kuntambo yokudlulisela njalo.

Ngesikhathi sokulungiswa, i-valve yembulunga inomsebenzi wokuvala onokwethenjelwa ngenxa yokuthi isiqu se-valve ye-valve yomhlaba sine-stroke emfishane yokuvula noma yokuvala. Isihlalo se-valve nediski ye-valve ngokuvamile kulula ukukhanda noma ukushintshwa ngaphandle kokukhipha yonke i-valve epayipini. Ngesikhathi esifanayo, qaphela ukugwema ukusebenza kokucindezela ngokweqile ukuze unciphise ukugqoka kwemishini endaweni yokubeka uphawu.

I-Butterfly valve:

Gcina uhlanzekile ngesikhathi sokulungiswa futhi wengeze njalo amafutha okugcoba ezingxenyeni zokudlulisela. Amanye ama-valve ovemvane agcwaliswe nge-molybdenum disulfide lubricating paste, okudingeka yengezwe njalo ukuze kuqinisekiswe ukusebenza kokuvala.

Ngesikhathi sokunakekelwa, ama-butterfly valves ajwayelekile ayizinhlobo ezimbili: uhlobo lwe-wafer kanye nohlobo lwe-flange. Esimeni esivuleke ngokugcwele, ukushuba kwepuleti levemvane kuwukuphela kokumelana kokuthi okuphakathi kugeleze emzimbeni we-valve, ngakho-ke ukwehla kokucindezela okukhiqizwa i-valve kuncane, futhi kunezici ezinhle zokulawula ukugeleza. Uma kutholakala iphutha, yeka ukulisebenzisa ngokushesha futhi uthole imbangela.

I-valve yebhola:

Uma ugcinwe isikhathi eside, qiniseka ukuthi iziphetho zombili zivinjelwe futhi zisesimweni esivulekile. Gcina uhlanzekile ngesikhathi sokusebenzisa futhi wengeze okokugcoba emicu yokudlulisa njalo. Ngesikhathi esifanayo, gwema ukuyisebenzisa endaweni evulekile kancane ukuvimbela umthelela woketshezi ku-valve.

Ngesikhathi sokulungiswa, i-valve yebhola ingavulwa ngokugcwele noma ivalwe ngokugcwele. Ayivunyelwe ukuthi isetshenziselwe ukulungisa ukugeleza ukuvimbela ukuguguleka nokuguga okusheshayo kwendawo yokuvala.
Ngaphezu kwalokho, kuneziphakamiso ezithile zokunakekelwa nokulungiswa kwama-valve okuhlola:

I-valve yokuhlola kufanele igcinwe ekamelweni elomile nelingena umoya ukuze kuvinjelwe imfucumfucu ukuthi ingangeni esakhiweni sayo sangaphakathi futhi ibangele umonakalo; ukuvuleka kwesiteshi kuzo zombili iziphetho kufanele kuvalwe ngekhanda ukuze kugcinwe ukusebenza kwayo okuhle kokuvala.

Ama-valve okuhlola agcinwe isikhathi eside adinga ukuhlolwa njalo, ukungcola okungaphakathi kwawo kufanele kukhishwe, futhi ibhotela kufanele lifakwe ngokulinganayo endaweni ecutshungulwayo ukuze ivikeleke.

Isimo sokusebenza se-valve yokuhlola ekusebenzeni kufanele futhi sihlolwe njalo ukuze kutholwe futhi kuqedwe amaphutha amancane ngesikhathi. Uma kwenzeka iphutha elikhulu, kufanele lisuswe ukuze lilungiswe. Ngemuva kokuthi ukuhlolwa nokugcinwa kuqediwe, ukuhlolwa kokutywinwa kufanele kwenziwe futhi, futhi isimo sephutha kanye nenqubo yokuhlola nokugcinwa kufanele kubhalwe ngokuningiliziwe.

Ukuze i-valve yokuhlola i-muffler, ngesikhathi sokugcina nokuthutha, izingxenye zokuvula nokuvala kufanele kuqinisekiswe ukuthi zisesimweni esivaliwe, futhi izinyathelo ezilandelayo kufanele zithathwe ukuze zivikeleke:

I-disc ye-valve kufanele ilungiswe endaweni evulekile.

Sebenzisa amabhodi amagwebu ukuze uvimbe izimbobo zangaphakathi kuzo zombili iziphetho zobubanzi futhi uzixhume ngokuqinile ngekhava eyimpumputhe ukuze uvimbele uthuli nokugqwala, kuyilapho ugcina isiteshi sihlanzekile futhi indawo yokugcina isicaba.

Pakisha kahle futhi uvikele ingxenye yesilinda ukuze uqinisekise ukuthi inemisebenzi yokuvikela ukushaqeka nokushayisana.

Uma ibekwe, kufanele igcinwe izinzile, qinisekisa ukuthi idivayisi ye-pneumatic drive ibheke phezulu, futhi ugweme ukumpintshana.

Uma ibekwe isikhathi eside, ukungcola nokugqwala eziteshini ezimbili kanye nendawo yokuvala kanye nokuvikelwa kwechweba lokushisela kufanele kuhlolwe njalo ezinyangeni ezintathu. Ngemva kokukhipha ukungcola nokugqwala, uwoyela ovimbela ukugqwala kufanele usetshenziswe kabusha ukuze uvikeleke.

Umsebenzi oyinhloko we-valve yokuhlola ukuvimbela ukubuyela emuva kwe-medium, ngakho-ke kufanele ifakwe kabanzi kumishini, amadivayisi namapayipi. Ama-valve okuhlola izithulisi ngokuvamile afanelekela imidiya ehlanzekile futhi akufanele asetshenziselwe imidiya equkethe izinhlayiya eziqinile kanye ne-viscosity ephezulu. Emapayipini avundlile anobubanzi obungu-50mm, kunconywa ukusebenzisa ama-valve okuhlola ukuthulisa aqondile.

Ukuvimbela i-valve ukuthi ingagqwali, kufanele kuthathwe izinyathelo ezinjengokusebenzisa njalo uwoyela ovimbela ukugqwala noma ugcobo ebusweni bomzimba we-valve, ikakhulukazi endaweni enomswakama. Ngesikhathi esifanayo, hlola njalo ukuthi izinsimbi ze-valve zikhululekile futhi uziqinise ngesikhathi. Izivalo ziyizingxenye ezibalulekile zokuqinisekisa ukusebenza kokuvala kwama-valve futhi zidinga ukushintshwa njalo. Ngokuvamile kunconywa ukuba esikhundleni sazo njalo eminyakeni engu-1-2, futhi izimpawu ezihambisana nemodeli ye-valve kufanele zikhethwe lapho zishintsha.

Ukunakekela:

Amaphutha ajwayelekile nezisombululo zimi kanje:

I-valve disc iphukile: Lokhu kuvame ukubangelwa ukucindezela okuphakathi ngaphambi nangemva kokuba i-valve yokuhlola iseduze nokulinganisa kanye "nokubona" ​​komunye nomunye, okuholela ekushayeni njalo kwe-valve disc kanye nesihlalo se-valve. Ukuze uvimbele leli phutha, kunconywa ukusebenzisa i-valve yokuhlola ene-valve disc eyenziwe ngezinto ezinzima.
Ukugeleza emuva kwemidiya: Lokhu kungase kubangelwe ukulimala kwendawo evalwayo noma ukungcola okubanjiwe. Isixazululo esihambisanayo ukulungisa indawo yokuvala nokuhlanza ukungcola.
Lapho wenza ukugcinwa nokulungiswa kwe-valve yokuhlola, isinyathelo sokuqala ukuvala i-valve futhi unqamule ukunikezwa kwamandla ukuze kuqinisekiswe ukusebenza okuphephile. Ngesikhathi esifanayo, amasu okugcina ahambisanayo kufanele akhiwe izinhlobo ezahlukene zama-valve kanye nezindawo zokusebenzisa. Uma uhlangabezana namaphutha ayinkimbinkimbi noma izinkinga ezinzima, kuyanconywa ukuthi ufune ukwesekwa kochwepheshe abangochwepheshe noma uxhumane nomkhiqizi ukuze uthole iziqondiso ezengeziwe.

Ngesikhathi sokulungiswa nokulungiswa, naka izinkinga ezilandelayo ezivamile:

Ukulungiswa kwengxenye yokudlulisela: Hlola njalo izingxenye zokudlulisela bese wengeza amafutha okugcoba kusenesikhathi ukuze uvimbele ukuguga noma ukuminyana ngenxa yokungagcolisi okwanele.

Izinyathelo zokuphepha ngomjovo wamafutha: Lawula inani lomjovo wamafutha, ubale ngokunembile umthamo wokuvala ngokosayizi wevalvu nohlobo, bese ujova inani elifanele lamafutha. Ngesikhathi esifanayo, naka ukucindezela komjovo wamafutha, gwema ukuba phezulu kakhulu noma ukwehla kakhulu, futhi ukulungise ngokuvumelana nesimo sangempela, njengokushintsha imbobo kagrisi noma ukusebenzisa uketshezi lokuhlanza ukuze kuthambise futhi uqinise igrisi yokuvala futhi ujove amafutha amasha.

Ukulungiswa kokupakisha: Ukupakisha kuyisici esibalulekile sokuqinisekisa ukuvala i-valve. Ukuze uvimbele ukuvuza, kungafinyelelwa ngokuqinisa kahle amantongomane ezinhlangothini zombili zegland yokupakisha, kodwa qaphela ukugwema ukuqinisa ngokweqile ngesikhathi esisodwa ukuvimbela ukupakisha ekulahlekelweni ukunwebeka kwayo.

Ukuhlolwa kwansuku zonke: Hlola ukuthi ingabe zonke izingxenye ze-valve ziphelele futhi ziphelele, nokuthi ama-flange namabhawudi abakaki aqinisiwe futhi aqinile. Ngesikhathi esifanayo, qaphela ukuthi isikali se-valve, uphawu lomthofu, ikepisi kanye nezinsiza zomoya ziqinile.

Gwema ukusebenza okungalungile: Kwenqatshelwe ngokuphelele ukushaya i-valve noma ukuyisebenzisa njengomcamelo ukuze ungqongqoze ezinye izinto, futhi ugweme ukuma ku-valve noma ukusekela izinto ezinzima. I-valve esebenzayo kufanele igwenywe ekungqongqozeni. Lapho uhlanza ipayipi lenqubo, kuyadingeka ukunaka ukuthi imingcele yenqubo ethwelwe yi-valve ingaphakathi kwebanga elivunyelwe ukuvimbela ukulimala kokupakishwa kwe-valve nomzimba.

Ukusingatha isimo esikhethekile: Uma usebenzisa i-valve yesitimu, udinga ukuyivula kancane ukuze ukhiphe amanzi ajiyile, bese uyivula kancane kancane bese uhlehlisa isondo lesandla kancane ukuze uqinisekise ukucinana. Endaweni yokushisa ephansi, kuyadingeka ukususa amanzi ahlanganisiwe kanye namanzi aqoqiwe ku-steam nama-valve amanzi ukuze kuvinjelwe ukuqhwa nokuqhekeka. Lapho izinga lokushisa lokushisa kwe-valve ephezulu likhuphuka lifika ku-200 ° C, ama-bolts adinga "ukushisa-kuqiniswe" ukuze kugcinwe uphawu, kodwa lokhu kusebenza akufanele kwenziwe lapho i-valve ivaliwe ngokugcwele.

Ukugcinwa nokulungiswa kwe-valve kubalulekile ekusebenzeni kwayo okuzinzile, ukwandiswa kwempilo kanye nokuvimbela ukuvuza. Uma ungajwayele isakhiwo noma ukusebenza kwe-valve, kunconywa ukuba ufune usizo lochwepheshe bezobuchwepheshe. Ngaphezu kwalokho, kuyadingeka ukwenza ukusebenza okujwayelekile nokugcinwa ngokuhambisana nebhukwana le-valve kanye nezindinganiso ezifanele.

Izinhlobo zama-valve ezivame ukusetshenziswa kanye nezici zazo emathangini okuhlanza indle

Emkhakheni wokwelashwa kwendle, ama-valve ayimishini ebalulekile, futhi ukukhethwa nokugcinwa kwabo kuthinta ngokuqondile ukuzinza nokusebenza kahle kwalo lonke uhlelo. Lesi sihloko sizokwethula izinhlobo zama-valve ezimbalwa ezivame ukusetshenziswa emathangini okuhlanza indle, okuhlanganisa izici zazo zesakhiwo, izimiso zokusebenza nezimo ezisebenzayo, ukukusiza ukuthi uqonde kangcono futhi usebenzise lawa ma-valve.