I-valve yesango iyi-valve evamile kakhulu, esetshenziswa kabanzi, esetshenziswa kakhulu ekugcinweni kwamanzi, i-metallurgy kanye neminye imboni, ububanzi bayo bokusebenza buqashelwe yimakethe, i-TWS isezingeni eliphezulu kanye nomsebenzi wokuqapha wezobuchwepheshe kanye nokuhlola iminyaka eminingi, ngaphezu kokuthola ama-valve esango, inocwaningo oluthile, kodwa futhi nokusetshenziswa kwama-valve esango, ukuxazulula izinkinga kanye nezinye izici zocwaningo olucophelelayo nolucophelelayo.
Ngokwezinhlobo ezahlukene zesakhiwo sama-valve esango, ama-valve esango angahlukaniswa ngezigaba ezimbili: uhlobo lwe-wedge kanye nohlobo oluhambisanayo.
Ipuleti lesango levalvu yesango le-wedge linomumo wedge, futhi indawo yokuvala ithambekele emgqeni ophakathi wesiteshi, futhi i-wedge ephakathi kwepuleti lesango nesihlalo se-valve isetshenziselwa ukuvala. Ipuleti le-wedge lingaba isango elilodwa noma isango eliphindwe kabili.
Izindawo zokuvala zevalvu yesango elihambisanayo zihambisana futhi ziqonde ngqo emgqeni ophakathi wesiteshi, ezihlukaniswe ngezinhlobo ezimbili: ngenqubo yokuvula nengenawo. Kukhona inqama ephindwe kabili enendlela yokubopha, lapho inqama yehla, i-wedge yezinqama ezimbili ezihambisanayo isekelwa esihlalweni sevalvu ngendiza ethambekele, isiteshi sokugeleza siyanqunywa, lapho inqama iphakama futhi ivuleka, i-wedge ihlukaniswa nobuso bokuhlangana kwenqama, inqama iphakama iye ekuphakameni okuthile, futhi i-wedge ibanjwe yi-boss enqameni. Lapho inqama ingena esihlalweni sevalvu eceleni kwezihlalo ezimbili zevalvu ezihambisanayo, ingcindezi yoketshezi isetshenziselwa ukucindezela inqama emzimbeni wevalvu ohlangothini lokukhipha lwevalvu ukuze kuvalwe uketshezi.
Ngokusho kokunyakaza okuhlukile kwesiqu se-valve lapho isango livulwa futhi livalwa, ama-valve esango ahlukaniswe ngezigaba ezimbili: ama-valve esango lesiqu esikhuphukayo nama-valve esango lesiqu esifihliwe. Isiqu se-valve kanye nesango le-valve yesango lesiqu esikhuphukayo kuyaphakama futhi kuyawa ngesikhathi esifanayo lapho kuvulwa noma kuvalwa; lapho i-valve yesango lesiqu esifihliwe ivulwa noma ivalwa, isiqu se-valve siyajikeleza kuphela, futhi ukuphakama nokuwa kwesiqu se-valve akubonakali, futhi ipuleti le-valve liyaphakama noma liyawa. Inzuzo ye-valve yesango lesiqu esikhuphukayo ukuthi ukuphakama kokuvula kwesiteshi kungahlulelwa ngokuphakama kwesiqu se-valve, kodwa ukuphakama okuhlalwa kungafinyezwa. Uma ubhekene nesondo lesandla noma isibambo, phendula isondo lesandla noma isibambo ngokwewashi ukuze uvale i-valve.
2. Izikhathi kanye nezimiso zokukhetha ama-valve esango
01. I-valve yesango eliyisicaba
Izikhathi zamavalvu esango ayisicaba:
(1) Amapayipi kawoyela negesi yemvelo. Amavalvu esango ayisicaba anezimbobo zokuchezukisa nawo alungele ukuhlanza amapayipi.
(2) Amapayipi kanye nemishini yokugcina uwoyela ocoliwe.
(3) Izindawo zokukhiqiza uwoyela negesi yemvelo.
(4) Amapayipi ane-particle media elengayo.
(5) Amapayipi okudlulisa igesi edolobheni.
(6) Amaphrojekthi okuphakelwa kwamanzi.
Isimiso sokukhetha i-valve yesango eliyisicaba:
(1) Kumapayipi okudlulisa uwoyela negesi yemvelo, kukhethwa amavalvu esango lepuleti anamasango angawodwa noma amabili. Uma udinga ukuhlanza ipayipi, khetha ivalvu yesango eliyisicaba elivulekile elinenduku eyodwa kanye nomgodi wokuphambukisa.
(2) Kumapayipi okuthutha kanye nemishini yokugcina uwoyela ocwengekile, kukhethwa ivalvu yesango eliyisicaba enesango elilodwa noma amabili elingenambobo yokuphambukisa.
(3) Ukuze kusetshenziswe imbobo yokuxhaphaza uwoyela negesi yemvelo, kukhethwa ivalvu yesango eliyisicaba enepuleti lesango elilodwa noma amabili elinesihlalo sevalvu elintantayo lenduku emnyama kanye nomgodi wokuphambukisa.
(4) Kumapayipi ane-particle media elengayo, kukhethwa ama-valve esango ayisicaba anomumo wommese.
(5) Kumapayipi okudlulisa igesi edolobheni, kukhethwa i-valve yesango elilodwa noma ipuleti lesango eliphindwe kabili elithambile elivula induku evulekile eyisicaba.
(6) Kumaphrojekthi okuphakelwa kwamanzi, kukhethwa ivalvu yesango elilodwa noma ivalvu yesango eliphindwe kabili engenambobo yokuphambukisa induku evulekile yesango eliyisicaba.
02. Ivalvu yesango le-Wedge
Izikhathi zokusetshenziswa kwevalvu yesango le-Wedge: ezinhlotsheni ezahlukene zamavalvu, ivalvu yesango iyona esetshenziswa kakhulu, ngokuvamile ifaneleka kuphela uma ivuliwe ngokuphelele noma ivaliwe ngokuphelele, ayikwazi ukusetshenziselwa ukulungisa nokucindezela.
Amavalvu esango le-wedge ngokuvamile asetshenziswa ezindaweni lapho kungekho zidingo eziqinile zobukhulu bangaphandle bevalvu, futhi izimo zokusetshenziswa zinzima kakhulu. Isibonelo, indawo yokusebenza yokushisa okuphezulu kanye nokucindezela okuphezulu idinga ukuthi izingxenye zokuvala zivalwe isikhathi eside.
Ngokuvamile, kunconywa ukusebenzisa ukucindezela okuphezulu, ukunqunywa kokucindezela okuphezulu (umehluko omkhulu wokucindezela), ukunqunywa kokucindezela okuphansi (umehluko omncane wokucindezela), umsindo ophansi, ukuthungwa kwe-cavitation kanye nokuhwamuka, izinga lokushisa eliphakeme eliphakathi nendawo, izinga lokushisa eliphansi (i-cryogen), i-wedge gate valve. Isibonelo, isetshenziswa kabanzi embonini yamandla kagesi, ukuncibilikisa uphethiloli, imboni yamakhemikhali kaphethiloli, uwoyela ongaphandle kolwandle, ubunjiniyela bamanzi ompompi kanye nobunjiniyela bokwelashwa kwendle ekwakheni emadolobheni, kanye nemboni yamakhemikhali.
Umgomo wokukhetha:
(1) Izidingo zezici zoketshezi zevalvu. Amavalvu esango akhethwa ngenxa yezimo zokusebenza ezinokumelana okuncane kokugeleza, amandla okugeleza aqinile, izici ezinhle zokugeleza kanye nezidingo zokuvala eziqinile.
(2) I-medium enokushisa okuphezulu kanye nengcindezi ephezulu. Njengomusi ophakeme, uwoyela ophakeme kanye nowoyela ophakeme.
(3) Isilinganiso sokushisa esiphansi (cryogen). Njenge-ammonia ewuketshezi, i-hydrogen ewuketshezi, i-oxygen ewuketshezi kanye nezinye izinto ezisetshenziswayo.
(4) Umfutho ophansi kanye nobubanzi obukhulu. Njengemiklamo yamanzi ompompi, imiklamo yokuhlanza indle.
(5) Amapayipi okudlulisa igesi edolobheni.
(6) Amaphrojekthi okuphakelwa kwamanzi.
Umgomo wokukhetha i-valve yesango eliyisicaba:
(1) Kumapayipi okudlulisa uwoyela negesi yemvelo, kukhethwa amavalvu esango lepuleti anamasango angawodwa noma amabili. Uma udinga ukuhlanza ipayipi, khetha ivalvu yesango eliyisicaba elivulekile elinenduku eyodwa kanye nomgodi wokuphambukisa.
(2) Kumapayipi okuthutha kanye nemishini yokugcina uwoyela ocwengekile, kukhethwa ivalvu yesango eliyisicaba enesango elilodwa noma amabili elingenambobo yokuphambukisa.
(3) Ukuze kusetshenziswe imbobo yokuxhaphaza uwoyela negesi yemvelo, kukhethwa ivalvu yesango eliyisicaba enepuleti lesango elilodwa noma amabili elinesihlalo sevalvu elintantayo lenduku emnyama kanye nomgodi wokuphambukisa.
(4) Kumapayipi ane-particle media elengayo, kukhethwa ama-valve esango ayisicaba anomumo wommese.
(5) Kumapayipi okudlulisa igesi edolobheni, kukhethwa i-valve yesango elilodwa noma ipuleti lesango eliphindwe kabili elithambile elivula induku evulekile eyisicaba.
(6) Kumaphrojekthi okuphakelwa kwamanzi, kukhethwa ivalvu yesango elilodwa noma ivalvu yesango eliphindwe kabili engenambobo yokuphambukisa induku evulekile yesango eliyisicaba.
02. Ivalvu yesango le-Wedge
Izikhathi zokusetshenziswa kwevalvu yesango le-Wedge: ezinhlotsheni ezahlukene zamavalvu, ivalvu yesango iyona esetshenziswa kakhulu, ngokuvamile ifaneleka kuphela uma ivuliwe ngokuphelele noma ivaliwe ngokuphelele, ayikwazi ukusetshenziselwa ukulungisa nokucindezela.
Amavalvu esango le-wedge ngokuvamile asetshenziswa ezindaweni lapho kungekho zidingo eziqinile zobukhulu bangaphandle bevalvu, futhi izimo zokusetshenziswa zinzima kakhulu. Isibonelo, indawo yokusebenza yokushisa okuphezulu kanye nokucindezela okuphezulu idinga ukuthi izingxenye zokuvala zivalwe isikhathi eside.
Ngokuvamile, kunconywa ukusebenzisa ukucindezela okuphezulu, ukunqunywa kokucindezela okuphezulu (umehluko omkhulu wokucindezela), ukunqunywa kokucindezela okuphansi (umehluko omncane wokucindezela), umsindo ophansi, ukuthungwa kwe-cavitation kanye nokuhwamuka, izinga lokushisa eliphakeme eliphakathi nendawo, izinga lokushisa eliphansi (i-cryogen), i-wedge gate valve. Isibonelo, isetshenziswa kabanzi embonini yamandla kagesi, ukuncibilikisa uphethiloli, imboni yamakhemikhali kaphethiloli, uwoyela ongaphandle kolwandle, ubunjiniyela bamanzi ompompi kanye nobunjiniyela bokwelashwa kwendle ekwakheni emadolobheni, kanye nemboni yamakhemikhali.
Umgomo wokukhetha:
(1) Izidingo zezici zoketshezi zevalvu. Amavalvu esango akhethwa ngenxa yezimo zokusebenza ezinokumelana okuncane kokugeleza, amandla okugeleza aqinile, izici ezinhle zokugeleza kanye nezidingo zokuvala eziqinile.
(2) I-medium enokushisa okuphezulu kanye nengcindezi ephezulu. Njengomusi ophakeme, uwoyela ophakeme kanye nowoyela ophakeme.
(3) Isilinganiso sokushisa esiphansi (cryogen). Njenge-ammonia ewuketshezi, i-hydrogen ewuketshezi, i-oxygen ewuketshezi kanye nezinye izinto ezisetshenziswayo.
(4) Umfutho ophansi kanye nobubanzi obukhulu. Njengemiklamo yamanzi ompompi, imiklamo yokuhlanza indle.
(5) Indawo yokufaka: uma ukuphakama kokufaka kunqunyelwe, kukhethwa ivalvu yesango lenduku emnyama; uma ukuphakama kunganqunyelwe, kukhethwa ivalvu yesango lenduku evulekile.
(6) Kuphela uma ingavulwa ngokugcwele noma ivalwe ngokuphelele, futhi ingasetshenziswa ukulungisa nokucindezela, ivalvu yesango le-wedge ingakhethwa.
3. Amaphutha avamile kanye nokugcinwa
01. Amaphutha avamile kanye nezimbangela zama-valve esango
Ngemva kokusetshenziswa kwevalvu yesango, izinkinga ezilandelayo zivame ukwenzeka ngenxa yokushisa okuphakathi, ingcindezi, ukugqwala kanye nokunyakaza okuhlobene kokuthintana ngakunye.
(1) Ukuvuza: Kunezinhlobo ezimbili, okungukuthi ukuvuza kwangaphandle nokuvuza kwangaphakathi. Ukuvuza ngaphandle kwevalvu kubizwa ngokuthi ukuvuza, kanti ukuvuza kuvamile emabhokisini okugcwalisa kanye nokuxhumeka kwe-flange.
Isizathu sokuvuza kwebhokisi lokugxusha: uhlobo noma ikhwalithi yokupakisha ayihlangabezani nezidingo; Ukuguga kokupakisha noma ukuguguleka kwesiqu; Indlala yokupakisha ekhululekile Ukuqhekeka ebusweni besiqu.
Isizathu sokuvuza kokuxhumeka kwe-flange: izinto noma usayizi we-gasket awuhlangabezani nezidingo; Ikhwalithi yokucubungula embi yendawo yokuvala i-flange; ukuqina okungafanele kwama-bolts okuxhuma; Amapayipi awahlelwanga kahle, okuholela emithwalweni eyengeziwe eyengeziwe emajoyintini.
Imbangela yokuvuza kwangaphakathi kwevalvu: Ukuvuza okubangelwa ukuvalwa okuxegayo kwevalvu ukuvuza kwangaphakathi, okubangelwa umonakalo ebusweni bokuvala kwevalvu noma impande exegayo yendandatho yokuvala.
(1) Ukugqwala kuvame ukubangelwa ukugqwala kwendawo yokuvala yomzimba we-valve, isembozo se-valve, isiqu se-valve kanye ne-flange. Ukugqwala kubangelwa kakhulu yisenzo se-medium, kodwa futhi nomphumela wokukhulula ama-ion ku-filler kanye ne-gasket.
(2) Ukuqhekeka: ukuxubha noma ukuxebuka kwendawo okwenzeka lapho i-ram kanye nesihlalo se-valve kunyakaza ngaphansi kwengcindezi ethile yokuxhumana.
02. Ukugcinwa kweamavalvu esango
(1) Ukulungiswa kokuvuza kwangaphandle kwevalvu
Uma ucindezela ukupakisha, i-gland bolt kufanele isetshenziswe ngokulinganayo ukuze kugwenywe ukuthambekela kwe-gland futhi kushiye isikhala sokucindezelwa. Ngesikhathi esifanayo nokucindezela ukupakisha, i-valve stem kufanele ijikeleziswe ukuze ukupakisha okuzungeze i-valve stem kufane, futhi kuvimbele ingcindezi ukuthi ingabi yingozi kakhulu, ukuze kungathinti ukujikeleza kwe-valve stem, kwandiswe ukuguguleka kokupakisha, futhi kufinyeze impilo yenkonzo. Ubuso be-valve stem buyagubha, ukuze kube lula ukuphuma kwe-medium, futhi kufanele icutshungulwe ukuze kususwe izibazi ebusweni be-valve stem ngaphambi kokusebenzisa.
Uma ukuvuza kokuxhumeka kwe-flange kulimele, uma i-gasket yonakele, kufanele ishintshwe; Uma izinto ze-gasket zingakhethwanga kahle, izinto ezingahlangabezana nezidingo zokusetshenziswa kufanele zikhethwe; Uma ikhwalithi yokucubungula yendawo yokuvala i-flange imbi, indawo yokuvala i-flange kumele isuswe futhi icutshungulwe kabusha kuze kube yilapho ifanelekile.
Ngaphezu kwalokho, ukuqinisa kahle amabhawodi e-flange, ukumiswa kahle kwamapayipi, kanye nokugwema imithwalo eyengeziwe eyengeziwe ekuxhumeni kwe-flange konke kusiza ekuvimbeleni ukuvuza ejoyintini le-flange.
(2) Ukulungiswa kokuvuza ngaphakathi kwevalvu
Ukulungiswa kokuvuza kwangaphakathi kuwukuqeda umonakalo ebusweni bokuvala kanye nokuvala okuxekethile empandeni (lapho indandatho yokuvala icindezelwa epuletini noma esihlalweni sevalvu ngentambo). Uma ubuso bokuvala bucutshungulwa ngqo emzimbeni wevalvu kanye nepuleti levalvu, akukho nkinga yezimpande ezixekethile kanye nokuvuza.
Uma indawo yokuvala yonakele kakhulu, futhi indawo yokuvala yakhiwe yindandatho yokuvala, indandatho endala kufanele isuswe bese kufakwe indandatho entsha yokuvala; Uma indawo yokuvala ifakwa ngqo emzimbeni wevalvu, indawo yokuvala eyonakele kufanele isuswe kuqala, bese indandatho entsha yokuvala noma indawo yokuvala kufanele igaywe ibe yindawo entsha yokuvala. Uma imihuzuko, amaqhubu, ukuchotshozwa, ukugoba kanye nezinye iziphambeko zendawo yokuvala zingaphansi kuka-0.05mm, zingasuswa ngokugaya.
Uma indandatho yokuvala icindezelwe futhi iqinisiwe, itheyipu ye-PTFE noma upende omhlophe ojiyile ungafakwa phansi kwesihlalo se-valve noma umsele wendandatho yokuvala, bese ucindezelwa ku-seal ukuze impande yendandatho yokuvala igcwaliswe; Uma indandatho yokuvala icindezelwe, itheyipu ye-PTFE noma upende omhlophe kufanele kubekwe phakathi kwezintambo ukuvimbela uketshezi ukuthi lungaphumi phakathi kwezintambo.
(3) Ukulungiswa kweivalvuukugqwala
Ngokuvamile, umzimba we-valve kanye ne-bonnet kugqwala ngokulinganayo, kuyilapho isiqu se-valve sivame ukufakwa imigodi. Lapho kulungiswa, imikhiqizo yokugqwala kufanele isuswe kuqala, bese isiqu se-valve esinemigodi yemigodi kufanele sicutshungulwe ku-lathe ukuze kuqedwe ukuminyana, futhi esikhundleni salokho kufanele kusetshenziswe ukupakisha okuqukethe i-ejenti yokukhulula kancane, noma ukupakisha kufanele kuhlanzwe ngamanzi acwengekile ukuze kususwe ama-ion anomphumela wokugqwala esiqwini se-valve esiqwini.
(4) Ukulungiswa kokuklwebheka ebusweni bokuvala
Ekusetshenzisweni kwe-ivalvu, indawo yokuvala kufanele ivinjelwe ekugugulekeni ngangokunokwenzeka, futhi i-torque akufanele ibe nkulu kakhulu uma ivalvu ivaliwe. Uma indawo yokuvala iguguleka, ingasuswa ngokugaya.
Okwesine, ukutholakala kwama-valve esango
Esimweni samanje semakethe nezidingo zomsebenzisi, ama-valve esango lensimbi ayingxenye enkulu. Njengomhloli wekhwalithi yomkhiqizo, ngaphezu kokujwayelana nokuhlolwa kwekhwalithi yomkhiqizo, kumele futhi sibe nokuqonda okuhle ngomkhiqizo ngokwawo.
01. Isisekelo sokuhlola sama-valve esango lensimbi
Ukuhlolwa kwevalvu yesango lensimbi kusekelwe ku-GB/T12232-2005 “Ivalvu Yesango Lensimbi Ejwayelekile Yokuxhumanisa I-Flange”.
02. Izinto zokuhlola zamavalvu esango lensimbi
Ngokuyinhloko faka: uphawu, ukujiya kodonga oluncane, ukuhlolwa kwengcindezi, ukuhlolwa kwegobolondo, njll., lapho ukujiya kodonga, ingcindezi, ukuhlolwa kwegobolondo kuyinto edingekayo yokuhlola, kodwa futhi into ebalulekile, uma kunezinto ezingahambisani, ingahlulelwa ngokuqondile njengemikhiqizo engafaneleki.
Ngamafuphi, ukuhlolwa kwekhwalithi yomkhiqizo kuyingxenye ebalulekile yokuhlolwa komkhiqizo wonke, ukubaluleka kwawo kuyabonakala, njengabasebenzi bokuhlola abaphambili, kumele siqhubeke nokuqinisa ikhwalithi yabo, hhayi nje kuphela ukwenza umsebenzi omuhle ekuhlolweni komkhiqizo, kodwa futhi nokuqonda ukuhlolwa kwemikhiqizo, ukuze senze kangcono umsebenzi omuhle ekuhlolweni.
I-Tianjin Tanggu Water-Seal Valve Co., Ltdikakhulukazi ukukhiqiza ukuqina okuhlala phansiivalvu yebhabhathane,ivalvu yesango,Isihluzo se-Y, ivalvu yokulinganisela, ivalvu yokuhlola, ivalvu yokulinganisela, isivimbeli sokugeleza komhlane njll.
Isikhathi sokuthunyelwe: Disemba-26-2024
