Amaphuzu okufakwa kanye Nezici zokufakwa kwe-valve yomoya oshisayo nezidingo zokusebenza kanye nendlela yokunakekela
Isango akufanele liguqulwe (okungukuthi, isondo lesandla liphansi), ngaphandle kwalokho okuphakathi kuzogcinwa esikhaleni sekhava isikhathi eside, kulula ukugqwala isiqu, futhi kwezinye izidingo zenqubo taboo. Kunzima kakhulu ukufaka esikhundleni sokupakisha ngesikhathi esifanayo. Vula AMAVAVAVA WE-STEM GATE, UNGAFAKI ngaphansi komhlaba, ngaphandle kwalokho ngenxa yokugqwala okumanzi kwesiqu esivelile. Phakamisa i-valve yokuhlola, ukufakwa ukuze uqinisekise ukuthi i-valve disc ime mpo, ukuze i-lift iguquguquke. Swayipha i-valve yokuhlola, lapho ifakiwe ukuze kuqinisekiswe ukuthi izinga lephinikhodi, ukuze linyakaze liguquguquke. I-valve yokunciphisa umfutho izofakwa iqonde epayipini elivundlile, futhi akufanele itshekele kunoma iyiphi indlela.
1 Isiqondiso nendawo
Ama-valve amaningi aqondisa
Isibonelo, i-globe valve, i-throttle valve, i-valve yokunciphisa ingcindezi, i-valve yokuhlola, njll., uma ifakwe emuva, izothinta umphumela wokusebenzisa nokuphila (njenge-throttle valve), noma ingasebenzi nhlobo (njengokunciphisa ukucindezela i-valve), futhi ibangele ngisho nengozi (njenge-valve yokuhlola). Amavalvu avamile anezimpawu eziqondisayo emzimbeni. Uma kungenjalo, kufanele ikhonjwe ngendlela efanele ngokuvumelana nesimiso sokusebenza kwe-valve.
Igumbi le-valve elizungeze i-valve yembulunga alilingani, liwuketshezi lokulivumela lisuka phansi liye phezulu ngembobo ye-valve, ngakho ukumelana noketshezi kuncane (kunqunywa ukuma), ukonga umsebenzi ovulekile (ngenxa yokucindezela okuphakathi phezulu) , ivaliwe ngemva kokupakishwa kwengcindezi ephakathi, kulula ukuyilungisa, yingakho i-valve yomhlaba ingakwazi ukufaka iqiniso. Amanye ama-valve anezici zawo siqu.
Indawo yokufaka i-valve kumele kube lula ukuyisebenzisa
Ngisho noma ukufakwa kunzima okwesikhashana, kuyadingeka ukucabangela umsebenzi wesikhathi eside womqhubi. Isondo lesandla se-valve elingcono nokuqondisa kwesifuba (ngokuvamile amamitha angu-1.2 ukusuka endaweni yokusebenza), ukuze ukuvulwa nokuvala kwe-valve kube umzamo omncane. Isondo lesandla sevalvu yaphansi kufanele libheke phezulu futhi lingatsheki ukuze kugwenywe ukusebenza kabi. I-valve yomshini wodonga incike emishinini, futhi opharetha kufanele ashiywe endaweni emile. Ukuze ugweme ukusebenza kwesibhakabhaka, ikakhulukazi i-asidi ne-alkali, imidiya enobuthi, ngaphandle kwalokho ayiphephile.
Isango akufanele liguqulwe (okungukuthi, isondo lesandla liphansi), ngaphandle kwalokho okuphakathi kuzogcinwa esikhaleni sekhava isikhathi eside, kulula ukugqwala isiqu, futhi kwezinye izidingo zenqubo taboo. Kunzima kakhulu ukufaka esikhundleni sokupakisha ngesikhathi esifanayo. Vula AMAVAVAVA WE-STEM GATE, UNGAFAKI ngaphansi komhlaba, ngaphandle kwalokho ngenxa yokugqwala okumanzi kwesiqu esivelile. Phakamisa i-valve yokuhlola, ukufakwa ukuze uqinisekise ukuthi i-valve disc ime mpo, ukuze i-lift iguquguquke. Swayipha i-valve yokuhlola, lapho ifakiwe ukuze kuqinisekiswe ukuthi izinga lephinikhodi, ukuze linyakaze liguquguquke. I-valve yokunciphisa umfutho izofakwa iqonde epayipini elivundlile, futhi akufanele itshekele kunoma iyiphi indlela.
2 Umsebenzi Wokwakha
Ukufakwa nokwakhiwa kufanele kuqaphele, ungashayi i-valve eyenziwe ngezinto eziphukayo.
Ngaphambi kokufakwa
Zonke izinhlobo ze-valve kanye nemininingwane kufanele ihlolwe ngokucophelela ukuze ihambisane nezidingo zokuklama.
(Hlola ukuthi INGABE INGASETSHENZISWA EZImweni EZIDINGEKAYO ngokwemodeli yevalvu kanye nemiyalelo yasefekthri, futhi wenze ukuhlolwa kwamanzi noma umoya uma kunesidingo.)
Ukwengeza, kufanele futhi kubhekwe ukuthi ukupakisha kuqinile, ukuthi i-gland bolt inesabelo esanele sokulungiswa, futhi kuhlolwe ukuthi isiqu ne-disc zizwakala yini, ukuthi kukhona yini okubambekile kanye ne-skew phenomenon.
Indawo yokuvala yediski ye-valve kufanele ivalwe ngokuqinile, futhi ikhwalithi yentambo kufanele ihlolwe ama-valve anentambo. Amavalvu angafaneleki NGEKE AFAKWE futhi azopakishwa ngokwehlukana noma amakwe.
*** Imfucumfucu kuvalvu.
Inqubo yokufaka
UMA UPHAKAMISA IVAVAVU, INTAMBO AKUMELE IBOSHWE ESANDWENI NOMA ISIQINISEKISO UKUZE UGWEME UKULIMALA KWALEZI ZINgxenyana. KUFANELE KUBOSHWE EMHLABENI.
Umugqa lapho i-valve ixhunywe khona kufanele ihlanzwe.
Umoya ocindezelwe ungasetshenziselwa ukushaya amafayili e-iron oxide, isihlabathi, i-welding slag nezinye izinhlobo. Lezi mfucumfucu, akulula nje ukunwaya indawo yokuvala ye-valve, izinhlayiya ezinkulu zemfucumfucu (njenge-welding slag), kodwa futhi zingavimba i-valve encane, ukuze ukwehluleka kwayo.
Lapho UFAKA I-VALVE YESIKREWU, UKUPHAKISWA KOKUVALWA (INTAMBO KAmafutha e-aluminium NOMA Ibhande lezinto ezibonakalayo le-PTFE RAW) kufanele liboshwe kuntambo yepayipi, ungangeni ku-valve, ukuze ugweme ivolumu yememori ye-valve, ithinte ukugeleza okuphakathi.
Lapho ufaka ama-valve e-flange, qaphela ukuqinisa ama-bolts ngokulinganayo nangokulinganayo. I-valve flange kanye ne-pipe flange kufanele ihambisane, imvume inengqondo, funa i-valve ikhiqize ukucindezela okukhulu, ngisho nokuqhekeka. Ngezinto eziqinile futhi hhayi amandla aphezulu we-valve, ukunakwa okukhethekile kufanele kukhokhwe. I-valve ezoshiselwa ngepayipi kufanele ifakwe endaweni eshiselwe kuqala, khona-ke ingxenye evaliwe izovulwa ngokugcwele, bese i-welded ifile.
3 Izinyathelo Zokuvikela
Amanye ama-valve kufanele futhi abe nesivikelo sangaphandle, okuwukugcina ukushisa nokugcina amakhaza. I-insulation layer kwesinye isikhathi ixutshwa nemigqa yesitimu esishisayo. Hlobo luni lwe-valve okufanele lube ukushisa noma ukubanda, ngokuya ngezidingo zokukhiqiza.
Empeleni, lapho medium valve ukunciphisa izinga lokushisa kakhulu, kuzothinta ukusebenza kahle ukukhiqizwa noma valve eqandisiwe, udinga ukufudumala, ngisho mix ukushisa; Lapho i-valve ingenalutho, ingalungile ekukhiqizeni noma ibangele isithwathwa nezinye izinto ezimbi, udinga ukubanda. Izinto zokufakelwa i-asbestos, uboya be-slag, uboya bengilazi, i-perlite, i-diatomite, i-vermiculite, njll; Izinto zokupholisa zingukhokho, i-perlite, igwebu, ipulasitiki nokunye.
4 I-Bypass nemitha
Amanye ama-valve, ngaphezu kwezinsiza ezidingekayo zokuvikela, nawo ane-bypass kanye nezinsimbi. I-bypass ifakiwe. Kulula ukulungisa isicupho. Amanye ama-valve, nawo afakwe i-bypass. Ukufakwa kwe-bypass kuncike esimweni se-valve, ukubaluleka, kanye nezidingo zokukhiqiza.
5 Ukupakisha esikhundleni
I-valve yesitoko, ukupakisha okuthile akubanga kuhle, kanti okunye akuhambisani nokusetshenziswa kwemidiya, okudingeka kuthathelwe indawo yokupakisha.
I-Valve factory ayikwazi ukucabangela ukusetshenziswa kwezinkulungwane zezinhlobo ezahlukene zemidiya, ibhokisi lokupakisha lihlala ligcwele impande evamile, kodwa lapho lisetshenziswa, kufanele livumele ukupakisha phakathi ukuze livumelane.
Uma ushintsha ukupakisha, cindezela uzungeleze ngokuzungeza. Umthungo ngamunye wendandatho ukuya kuma-degree angama-45 kufanelekile, indandatho futhi ikhale ivuleke ngama-degree angama-180. Ukuphakama kokupakisha kufanele kucabangele i-leeway ukuze indlala iqhubeke nokucindezela, futhi manje kuyadingeka ukuvumela ingxenye engezansi ye-gland icindezele ikamelo lokupakisha ekujuleni okufanele, okungase kube ngu-10-20% wokujula okuphelele igumbi lokupakisha. Kuma-valve afunayo, i-engeli ehlangene ingama-degree angama-30. Umthungo ophakathi kwendandatho nendandatho inyakaza ngamadigri ayi-120.
Ngaphezu kokupakisha, kodwa futhi ngokusho kwesimo esithile, ukusetshenziswa kwe-rubber O-ring (irabha yemvelo imelana no-60 degrees Celsius i-alkali ebuthakathaka, i-butadiene injoloba imelana no-80 degrees Celsius ikristalu kawoyela, i-Fluorine iraba imelana nezinhlobonhlobo zokubola. imidiya engaphansi kuka-150 degrees Celsius) indandatho emithathu eyisitaki ye-polytetrafluoron (imelana nemidiya edlayo eqinile engaphansi kuka-200 degrees Celsius) indandatho yesitsha senayiloni (imelana nokungu-120 degrees Celsius ammonia, alkali) nokunye ukugcwaliswa okwenza. Ungqimba lwetheyiphu ye-TEflon eluhlaza lungathuthukisa umphumela wokuvala futhi lunciphise ukugqwala kwe-electrochemical kwesiqu se-valve. Lapho ucindezela isithokelo, vula isiqu ngesikhathi esifanayo ukugcina nxazonke ngokulinganayo, futhi uvimbele ukufa kakhulu, qinisa indlala ukuphoqa ngokulinganayo, awukwazi ukutsheka.
Ukufakwa kwe-valve yomoya oshisayo nezidingo zokusebenzisa kanye nendlela yokugcina ukufakwa nokusebenzisa izidingo zobuchwepheshe
1. I-valve yomoya oshisayo ingafakwa kuphela futhi isetshenziswe nge-stem perpendicular emhlabathini, futhi ukulungisa iphutha kufanele futhi kwenziwe ngaphansi kwesimo se-stem perpendicular to the ground;
2. Indlela yokungenisa umoya yevalvu yomoya oshisayo kanye nendawo yokungena nokuphuma kwamanzi okupholisa kufanele ihambisane nesiqondiso somdwebo wokufaka. Lapho ufaka i-valve yomoya oshisayo, umcibisholo womoya kufanele ukhombe ipayipi eliyinhloko lomoya oshisayo. Lapho i-valve yomoya oshisayo isetshenziswa njenge-valve evuthayo kanye ne-flue valve, umcibisholo womoya kufanele ukhombe isitofu sokuqhuma okushisayo; Lapho i-valve yomoya oshisayo isetshenziswa njenge-valve yokuphumula yokubuyela emuva, umcibisholo womoya kufanele ukhombe ipayipi elikhulu lomoya oshisayo; Uma i-valve yomoya oshisayo isetshenziswa njengevalufu yokuvala umoya exubile, umcibisholo womoya kufanele ubheke kude nepayipi elikhulu lomoya oshisayo. (Lapho i-valve yomoya oshisayo isetshenziswa njengendlela yokufaka ama-valve ashiwo ngenhla * Uma igama le-nameplate lisashisa i-valve yomoya, futhi igama le-nameplate liyigama le-valve engenhla, umcibisholo womoya ubonisa isiqondiso se-valve yomoya. .)
3. Ngaphambi kokulungisa iphutha, hlanza indawo evalekayo yomzimba wevalvu kanye nepuleti levalvu ngentambo kakotini ukuze uvimbele ukuklwejwa kwendawo evalayo. Ngaphambi kokusebenza, engeza amafutha okugcoba endaweni ngayinye yamafutha, ufafaze i-graphite powder noma ugcobe engxenyeni yokuvala entantayo;
4. Ngemva kokufakwa, hlola ukuqiniswa kwamabhawodi emzimbeni we-valve, isembozo se-valve, uphawu lwe-valve stem nezinye izingxenye ukuze uqinisekise ukuthi akukho ukuvuza komoya kanye nokuwa okushelelayo kwepuleti le-valve. Qala ngokwenza i-valve ngesivinini esiphansi ukuze uqinisekise ukusebenza okuvamile komshini ngaphambi kokuqala ukuhlola;
5. Ukufakwa kwepayipi kwe-valve ukufakwa konke (ngaphandle kwedivayisi yokudlulisela). Iphoyinti lokuphakamisa isikhwama sokuphakamisa emzimbeni we-valve (i-4 itholakala ku-flange eyindilinga, isikhwama esiphakamisayo esisembozweni se-valve sinqatshelwe ngokuphelele ukuphakamisa konke), idivayisi yokudlulisela ifakwe ku-valve ngemva kokufakwa okuphelele kwe-valve. ;
6. Ipayipi le-valve flange phakathi kokusetshenziswa kwe-ceramic metal gasket ehlanganiswe nokushisa okuphezulu kwe-sealant seal, ukuvimbela ukuvuza komoya;
7. Lapho kuvulwa i-valve, ingxenye engezansi yepuleti le-valve kufanele ibe ngaphezu kuka-100mm ngaphezu kohlangothi olungaphezulu lweshaneli ye-valve (indlela yokulungisa iphutha: phakamisa ipuleti le-valve emkhawulweni ongaphezulu bese wehlisa u-50mm njengokuvulwa kwepuleti le-valve. isikhundla). Amanzi okupholisa ama-valve kufanele avulwe, izinga lokushisa lokuphuma lingaphansi kuka-40 ℃;
8. Ngaphambi kokufakwa kwe-valve, ifreyimu yokudlulisela kanye nomzimba we-valve kufanele kupakishwe futhi kugcinwe ngokuhlukana, bese ukufakwa konke kuzokwenziwa esizeni. Qinisa umzimba we-valve kanye nedivayisi yokudlulisa ngokuya ngokuma kwesixhumi esibonakalayo sokufaka phakathi nokufaka, bese uqinisa i-valve eduze nendawo yokushintsha ngemva kokufaka nokulungiswa. Lapho i-valve isebenza ngokuhlolwa, kufanele iqalwe mathupha ngaphambi kwamandla. (Qaphela: Uma ufaka i-hydraulic transmission valve, izinhlangothi zombili ze-cylinder piston zine-stroke yamahhala lapho i-valve ivuliwe futhi ivaliwe, bese ulungisa iswishi yokushaywa ngemva kokulungiswa. I-Rack kanye ne-pinion hydraulic transmission valve kufanele ilungise indawo ye-cylinder piston endaweni elinganiselwe ye-valve plate stroke, bese ulenga iketango). Ukusebenza kufanele kube bushelelezi ngaphandle kokungqubuzana kanye nomthelela obambekayo.
Ukulungiswa nokugcinwa kwe-valve
1. Hlola ukusebenza kokuvala kwevalvu kanye ngesonto lapho ivaliwe, yahlulela umphumela wokuvaleka kwevalvu ngokuzwa ngesandla nangendlebe, futhi ubike futhi ubhekane nanoma yiziphi izinkinga ngesikhathi;
2. Hlola izinga lokushisa lamanzi okupholisa, umfutho wamanzi nokuvuza kwangaphandle ngaphambi nangemuva komsebenzi, futhi uqede noma yiziphi izinkinga ngesikhathi;
3. Lapho uvula futhi uvala i-valve, ukunakwa kufanele kukhokhwe esimweni sokugijima esizinzile, futhi izinkinga kufanele zibhekane nazo ngesikhathi;
4. Gcwalisa amafutha okugcoba kanye namafutha kabili ngesonto ukuvimbela ukuntuleka kwamafutha kanye nokulimala kokushisa kwezingxenye ezihambayo;
5. Akuvunyelwe ngokuphelele ukusebenzisa ngaphansi kwesimo sokunganele kwamanzi okupholisa kanye nokunqanyulwa kwamanzi;
6. Njalo hlola futhi uhlanze intlenga kuvalvu, futhi ubhekane nokungajwayelekile ngesikhathi;
7. Sicela ufunde imanuwali yedivayisi kagesi enikezwe nevalvu kagesi ukuze uthole imiyalelo yedivayisi kagesi.
okunye
1. I-valve izogcinwa futhi ihanjiswe nendawo yokuvala yevalvu ibekwe ngezansi futhi umcibisholo we-vane yomoya ubheke phezulu (lapho igama le-nameplate lingu-flue valve, i-backflow air rest valve kanye ne-valve yokunqanyulwa komoya, umcibisholo i-vane yomoya ibheke phansi) kanye nesiqu se-valve simiswe ngokuqinile endaweni evaliwe ukuze kuvinjelwe indawo yokuvala ukuthi ingalinyazwa ukudlidliza;
2. Idivayisi yokudlulisela izohlakazwa umenzi ngemva kokufaka okufanelekayo nokulungisa iphutha.
Isikhathi sokuthumela: Sep-09-2022
