Indlela Yokugcina Nokugcina Ama-Backup Gate Valve Ngokufanele: Amathiphu Ochwepheshe Okuvimbela Ukugeleza Kwegazi

Amavalvu esango eliyisipele, amavalvu okugeleza kwamanzi emuva, kanye namavalvu okuvimbela ukugeleza kwamanzi emuva kuyizinto ezibalulekile ezinhlelweni zamapayipi, zokunisela, kanye nezimboni. Avikela ekungcoleni ngokuvimbela ukugeleza kwamanzi okuphambene nokuqinisekisa ubuqotho bohlelo. Kodwa-ke, ukugcinwa nokunakekelwa okungafanele kungafaka ukusebenza kwawo engcupheni, okuholela ekulungisweni okubizayo noma ekushintshweni. Kulo mhlahlandlela, sizohlola izinyathelo ezingasetshenziswa ukugcina nokugcina lawa mavalvu ngempumelelo.

Izinqubo Zokulungisa Nokulungisa Amavalvu

Ukuhlanza ukubukeka

Sula ingaphandle levalvu ngendwangu ehlanzekile njalo ngenyanga ukuze ususe uthuli, uwoyela kanye nemfucumfucu.
Uma ukungcola kunzima ukususa, sebenzisa insipho ethambile, kodwa gwema ukusebenzisa amakhemikhali agqwala kakhulu.

Umsebenzi wokugcoba

Faka inani elifanele lokugcoba ezintanjeni, emigodini nakwezinye izingxenye ezihambayo zevalvu njalo ngekota.
Ngaphambi kokufaka, susa i-lubricant endala kanye nokungcola ebusweni bezingxenye ukuqinisekisa umphumela we-lubricant.

Ukuhlolwa kwesivalo

Hlola ukusebenza kokuvala kwevalvu kanye ngenyanga ukuze ubone ukuthi kukhona yini ukuvuza esimweni sokuvala.
Ungahlulela ukuthi ukusebenza kokuvala kuhle yini ngokusebenzisa ingcindezi nokusebenzisa izinto ezithola ukuvuza noma ukubuka amabhamuza.

Izinqubo zokusebenza kokulungisa

Ukuhlolwa kokuguquguquka kokusebenza

Yenza umsebenzi wezandla kanye njalo ezinyangeni eziyisithupha ukuze uhlole ukuguquguquka nokumelana kwevalvu ezimweni ezivulekile nezivaliwe ngokuphelele.
Uma uthola ukuthi ukuhlinzwa kubambekile noma ukumelana okungajwayelekile, udinga ukuthola imbangela bese ubhekana nayo ngesikhathi.
Ukuhlolwa kwezingxenye

Yenza ukuhlolwa okuphelele kokuhlukaniswa kwevalvu minyaka yonke, ugxile ekugugeni nasekulinyazweni kwesiqu sevalvu, umongo wevalvu kanye nesihlalo sevalvu.
Qinisekisa ukuthi akukho ukuklwebheka nokugqwala ebusweni besiqu se-valve. Ukuguguleka okuncane kungapholishwa; uma umongo we-valve kanye nesihlalo se-valve kuguguleke kakhulu, kugqwalile noma kukhubazekile, kufanele kushintshwe ngesikhathi.
Ukwelashwa kokulwa nokugqwala

Kuma-valve abekwe ezindaweni ezinomswakama noma ezigqwalisayo, ungqimba oluvimbela ukugqwala ludinga ukuhlolwa nokulungiswa njalo.
Ukufaka i-hot-dip galvanizing, ukupenda kanye nezinye izindlela kungasetshenziswa ukuvikela ukuqinisekisa ukuthi i-valve ingagcina ukusebenza kahle ezindaweni ezinzima.
Ukuhlolwa kwengcindezi

Amavalvu asanda kufakwa noma alungisiwe kumele ahlolwe ingcindezi ngaphambi kokuba asetshenziswe ukuqinisekisa ukusebenza kwawo ngokuphepha.
Kuma-valve asebenza kahle, kunconywa ukuthi kwenziwe ukuhlolwa kokucindezela njalo eminyakeni eyi-1-2 ukuqinisekisa ukuthi ukusebenza kwawo kuzinzile futhi kuthembekile.
Ukurekhoda nokugcina umlando

Bhala amarekhodi anemininingwane omsebenzi ngamunye wokulungisa nokulungisa, okuhlanganisa isikhathi sokusebenza, abasebenzi, okuqukethwe, izinkinga ezitholakele kanye nemiphumela yokwelashwa.
Gcina amarekhodi afanele ngendlela efanele ukuze kube lula ukuhlaziya kanye nokuthuthukiswa kokusetshenziswa kwama-valve kanye nomsebenzi wokulungisa esikhathini esizayo.

Uma kwenziwa imisebenzi yokulungisa nokulungisa ama-valve, yonke imithethonqubo yokuphepha kumele ilandelwe ngokucophelela. Ngaphambi kokusebenza, kufanele kuqinisekiswe ukuthi uhlelo seluyeke ngokuphelele ukusebenza nokuthi ingcindezi isinciphile. Ngesikhathi esifanayo, opharetha kudingeka abe namakhono ochwepheshe afanele kanye nesipiliyoni esicebile ukuqinisekisa ukuphepha nokusebenza kahle komsebenzi wokulungisa.

Izindawo zokulungisa nokulungisa izinhlobo zamavalvu ezivamile

I-valve yesango:

Ngesikhathi sokulungiswa, ivalvu yesango kufanele igcinwe egumbini elomile nelinomoya, futhi imikhawulo yomibili yendlela kufanele ivalwe. Hlola njalo ukuguguleka kwendawo yokuvala kanye nentambo ye-trapezoidal, ususe ukungcola ngesikhathi bese ufaka uwoyela wokulwa nokugqwala. Ngemva kokufakwa, qiniseka ukuthi wenza ukuhlolwa kokusebenza kokuvala.

Ngesikhathi sokulungisa, uma indawo yokuvala igugile, imbangela kumele itholakale futhi kufanele kwenziwe ukwelashwa noma ukushintshwa kwezingxenye okuhambisanayo. Ngesikhathi esifanayo, qiniseka ukuthi isango livulekile ngokuphelele noma livaliwe ngokuphelele, gwema ukulisebenzisa ukulungisa ukugeleza, ukuze uvimbele ukuguguleka kanye nokuguguleka okusheshayo kwendawo yokuvala. Isondo lesandla kufanele lisetshenziswe ekusebenzeni kweswishi, futhi kufanele kulandelwe isimiso sokujikeleza ngokwewashi kokuvala kanye nokujikeleza okwenqane kwewashi kokuvula.

Ivalvu yeglobe:

Indlela yokulungisa ifana neyevalvu yesango, kodwa kufanele kunakwe indlela yokugeleza koketshezi ngesikhathi sokufakwa ukuqinisekisa ukuthi uketshezi lugeleza ngevalvu kusukela phansi kuya phezulu. Lugcine luhlanzekile ngesikhathi sokusetshenziswa futhi ungeze amafutha entanjeni yokudlulisa njalo.

Ngesikhathi sokulungiswa, i-globe valve inomsebenzi wokuvala othembekile ngoba isiqu se-valve se-globe valve sinomugqa omfushane wokuvula noma wokuvala. Isihlalo se-valve kanye nediski ye-valve ngokuvamile kulula ukulungisa noma ukufaka esikhundleni ngaphandle kokususa i-valve yonke epayipini. Ngesikhathi esifanayo, qaphela ukuze ugweme ukusebenza ngokweqile ukuze unciphise ukuguguleka komshini ebusweni bokuvala.

Ivalvu yebhabhathane:

Gcina kuhlanzekile ngesikhathi sokulungisa futhi ufaka njalo igrisi yokugcoba ezingxenyeni zokudlulisa. Amanye ama-valve e-butterfly agcwele i-molybdenum disulfide lubricating paste, okudingeka ingezwe njalo ukuqinisekisa ukusebenza kahle kokuvala.

Ngesikhathi sokulungiswa, amavalvu ebhabhathane avamile ayizinhlobo ezimbili: uhlobo lwe-wafer kanye nohlobo lwe-flange. Esimweni esivulekile ngokuphelele, ukujiya kwepuleti lebhabhathane yikona kuphela ukumelana kwe-medium ukuthi igeleze emzimbeni wevalvu, ngakho-ke ukwehla kwengcindezi okubangelwa yivalvu kuncane, futhi kunezici ezinhle zokulawula ukugeleza. Uma kutholakala iphutha, yeka ukulisebenzisa ngokushesha bese uthola imbangela.

I-valve yebhola:

Uma igcinwe isikhathi eside, qiniseka ukuthi izinhlangothi zombili zivaliwe futhi zivulekile. Gcina ihlanzekile ngesikhathi sokuyisebenzisa futhi wengeze amafutha okugcoba emicu yokudlulisa njalo. Ngesikhathi esifanayo, gwema ukuyisebenzisa ivulekile kancane ukuze uvimbele umthelela woketshezi ku-valve.

Ngesikhathi sokulungiswa, ivalvu yebhola ingavulwa noma ivalwe ngokuphelele kuphela. Akuvunyelwe ukuthi isetshenziswe ukulungisa ukugeleza ukuze kuvinjelwe ukuguguleka kanye nokuguguleka okusheshayo kwendawo yokuvala.
Ngaphezu kwalokho, kuneziphakamiso ezithile zokugcinwa nokulungiswa kwama-check valve:

Ivalvu yokuhlola kufanele igcinwe egumbini elomile nelinomoya ukuze kuvinjelwe ukungcola ukuthi kungangeni esakhiweni sayo sangaphakathi futhi kubangele umonakalo; izimbobo zemisele kuzo zombili izinhlangothi kufanele zivalwe ngekhanda ukuze kugcinwe ukusebenza kwayo okuhle kokuvala.

Ama-valve okuhlola agcinwe isikhathi eside adinga ukuhlolwa njalo, ukungcola okungaphakathi kwawo kufanele kususwe, futhi ibhotela kufanele lisetshenziswe ngokulinganayo endaweni ecutshunguliwe ukuze kuvikelwe.

Isimo sokusebenza kwevalvu yokuhlola esebenza kufanele futhi sihlolwe njalo ukuze kutholakale futhi kususwe amaphutha amancane ngesikhathi. Uma kwenzeka iphutha elikhulu, kufanele lisuswe ukuze lilungiswe. Ngemva kokuthi ukuhlolwa nokugcinwa sekuqediwe, ukuhlolwa kokuvala kumele kwenziwe futhi, futhi isimo sephutha kanye nenqubo yokuhlola nokugcinwa kumele kuqoshwe ngokuningiliziwe.

Nge-valve yokuhlola i-muffler, ngesikhathi sokugcina nokuthuthwa, izingxenye zokuvula nokuvala kufanele ziqinisekiswe ukuthi zisesimweni sokuvalwa, futhi izinyathelo ezilandelayo kufanele zithathwe ukuze kuvikelwe:

Idiski yevalvu kufanele ibekwe endaweni evulekile.

Sebenzisa amabhodi e-foam ukuvimba izikhala zangaphakathi kuzo zombili izinhlangothi zobubanzi bese uzixhuma ngokuqinile ngezembozo ezingaboni ukuze uvimbele uthuli nokugqwala, kuyilapho ugcina isiteshi sihlanzekile futhi ingxenye yokugcina iphansi.

Paka futhi uvikele kahle ingxenye yesilinda ukuqinisekisa ukuthi inemisebenzi yokuvikela ukushaqeka nokushayisana.

Uma ibekwe, kufanele igcinwe izinzile, qiniseka ukuthi idivayisi yokushayela umoya ibheke phezulu, futhi ugweme ukucindezelana.

Uma kubekwa isikhathi eside, ukungcola nokugqwala eziteshini ezimbili kanye nobuso bokuvala kanye nokuvikelwa kwembobo yokushisela kufanele kuhlolwe njalo ezinyangeni ezintathu. Ngemva kokususa ukungcola nokugqwala, uwoyela wokulwa nokugqwala kufanele uphinde usetshenziswe ukuze kuvikelwe.

Umsebenzi oyinhloko wevalvu yokuhlola ukuvimbela ukugeleza emuva kwe-medium, ngakho-ke kufanele ifakwe kabanzi emishinini, kumadivayisi nasemapayipini. Amavalvu okuhlola i-silencer ngokuvamile afanelekela i-media ehlanzekile futhi akufanele asetshenziselwe i-media equkethe izinhlayiya eziqinile kanye ne-viscosity ephezulu. Emapayipini avundlile anobubanzi obungu-50mm, kunconywa ukusebenzisa amavalvu okuhlola i-silencing aqondile.

Ukuze kuvinjelwe ivalvu ukuthi ingagqwali, kufanele kuthathwe izinyathelo ezifana nokusebenzisa uwoyela wokulwa nokugqwala njalo noma amafutha ebusweni bomzimba wevalvu, ikakhulukazi endaweni enomswakama. Ngesikhathi esifanayo, hlola njalo ukuthi izikhonkwane zevalvu zikhululekile yini bese uziqinisa ngesikhathi. Izivalo ziyizingxenye ezibalulekile ukuqinisekisa ukusebenza kokuvala kwamavalvu futhi zidinga ukushintshwa njalo. Ngokuvamile kunconywa ukuzishintsha njalo eminyakeni eyi-1-2, futhi izivalo ezihambisana nemodeli yevalvu kufanele zikhethwe lapho kufakwa ezinye.

Ukugcinwa:

Amaphutha nezixazululo ezivamile yilezi ezilandelayo:

Idiski yevalvu iphukile: Lokhu kuvame ukubangelwa ukucindezela okuphakathi ngaphambi nangemva kokuba ivalvu yokuhlola isondelene nokulinganisela futhi “ishayana”, okuholela ekushayweni njalo kwediski yevalvu kanye nesihlalo sevalvu. Ukuze kuvinjelwe lokhu kuphazamiseka, kunconywa ukusebenzisa ivalvu yokuhlola enediski yevalvu eyenziwe ngezinto eziqinile.
Ukugeleza kwemidiya emuva: Lokhu kungabangelwa umonakalo ebusweni bokuvala noma ukungcola okubanjwayo. Isixazululo esihambisanayo ukulungisa ubuso bokuvala nokuhlanza ukungcola.
Uma kwenziwa ukulungiswa nokulungiswa kwevalvu yokuhlola, isinyathelo sokuqala ukuvala ivalvu nokunqamula ugesi ukuqinisekisa ukusebenza okuphephile. Ngesikhathi esifanayo, kufanele kwakhiwe amasu okulungisa afanele ezinhlobo ezahlukene zamavalvu kanye nezindawo zokusebenzisa. Uma uhlangabezana namaphutha ayinkimbinkimbi noma izinkinga ezinzima, kunconywa ukuthi ufune usizo kochwepheshe abangochwepheshe noma uxhumane nomkhiqizi ukuze uthole isiqondiso esengeziwe.

Ngesikhathi sokulungisa nokulungisa, qaphela izinkinga ezilandelayo ezivamile:

Ukulungiswa kwezingxenye zokudlulisa: Hlola njalo izingxenye zokudlulisa bese ufaka amafutha okugcoba ngesikhathi ukuze uvimbele ukuguguleka noma ukuminyana ngenxa yokungagcobi ngokwanele.

Izinyathelo zokuphepha zokufaka amafutha: Lawula inani lomjovo wamafutha, ubale ngokunembile umthamo wokuvala ngokuya ngobukhulu bevalvu nohlobo, bese ufaka inani elifanele lamafutha. Ngesikhathi esifanayo, naka ingcindezi yomjovo wamafutha, gwema ukuthi iphezulu kakhulu noma iphansi kakhulu, bese uyilungisa ngokwesimo sangempela, njengokufaka imbobo yamafutha noma ukusebenzisa uketshezi lokuhlanza ukuze uthambise futhi uqinise igrisi yokuvala bese ufaka igrisi entsha.

Ukulungiswa kokupakisha: Ukupakisha kuyingxenye ebalulekile yokuqinisekisa ukuvalwa kwevalvu. Ukuze uvimbele ukuvuza, kungafezwa ngokuqinisa kahle amantongomane kuzo zombili izinhlangothi ze-packing gland, kodwa qaphela ukuthi ugweme ukuqinisa kakhulu ngesikhathi esisodwa ukuze uvimbele ukupakisha ukuthi kungalahlekelwa ukuqina kwawo.

Ukuhlolwa kwansuku zonke: Hlola ukuthi zonke izingxenye zevalvu ziphelele futhi ziphelele, nokuthi amabhawodi e-flange nama-bracket aqinile futhi aphelele. Ngesikhathi esifanayo, naka ukuthi isikali sevalvu, uphawu lwe-lead, isivalo kanye nezesekeli ze-pneumatic ziphelele yini.

Gwema ukusebenza okungafanele: Akuvunyelwe ngokuphelele ukushaya ivalvu noma ukuyisebenzisa njengesicamelo sokungqongqoza ezinye izinto, futhi ugweme ukuma kuvalvu noma ukusekela izinto ezisindayo. Ivalvu esebenzayo kufanele igwenywe ekungqongqozeni. Lapho uhlanza ipayipi lenqubo, kubalulekile ukunaka ukuthi amapharamitha enqubo athwalwa yivalvu angaphakathi kwebanga elivumelekile yini ukuvimbela umonakalo ekupakishweni kwevalvu nasemzimbeni.

Ukuphathwa kwesimo esikhethekile: Uma usebenzisa ivalvu yomusi, udinga ukuyivula kancane ukuze ukhiphe amanzi ahlanganisiwe, bese uyivula kancane kancane bese ubuyisela emuva isondo lesandla kancane ukuqinisekisa ukuqina. Endaweni enezinga lokushisa eliphansi, kuyadingeka ukususa amanzi ahlanganisiwe namanzi aqongelelwe kumavalvu omusi namanzi ukuze uvimbele ukubanda nokuqhekeka. Lapho izinga lokushisa levalvu yokushisa okuphezulu lenyuka laya ngaphezu kuka-200°C, amabhawodi kudingeka “aqiniswe ngokushisa” ukuze kugcinwe ukuvalwa, kodwa lo msebenzi akufanele wenziwe lapho ivalvu ivaliwe ngokuphelele.

Ukugcinwa nokulungiswa kwevalvu kubalulekile ekusebenzeni kwayo okuzinzile, ukunwetshwa kwesikhathi sokuphila kanye nokuvimbela ukuvuza. Uma ungajwayelene nesakhiwo noma ukusebenza kwevalvu, kunconywa ukuthi ufune usizo kochwepheshe abangochwepheshe. Ngaphezu kwalokho, kuyadingeka ukwenza ukusebenza okujwayelekile kanye nokugcinwa ngokuhambisana nencwadi yemiyalelo yevalvu kanye nezindinganiso ezifanele.

Izinhlobo zamavalvu ezisetshenziswa kakhulu kanye nezici zazo emathangini okwelapha indle

Emkhakheni wokwelashwa kwendle, ama-valve ayimishini ebalulekile, futhi ukukhethwa kwawo nokugcinwa kwawo kuthinta ngqo ukuzinza nokusebenza kahle kwesistimu yonke. Lesi sihloko sizokwethula izinhlobo eziningana zama-valve ezisetshenziswa kakhulu emathangini okwelashwa kwendle, okuhlanganisa izici zawo zesakhiwo, izimiso zokusebenza kanye nezimo ezisebenzayo, ukukusiza ukuthi uqonde kangcono futhi usebenzise la ma-valve.