Izidingo zokufakwa kwevalvu yamapayipi indlela yokubhekana nevalvu yepayipi yemishini yesiqandisi “gijima, gijima, vuza, uvuze”?

Izidingo zokufakwa kwevalvu yamapayipi indlela yokubhekana nevalvu yepayipi yemishini yesiqandisi “gijima, gijima, vuza, uvuze”?

Yiziphi izidingo zokufakwa kwamapayipi amapayipi? Ingabe kuyadingeka ukuhlangabezana nezimfuneko ezithile zokufaka?
1. Uma ufaka, qaphela isiqondiso sokugeleza kwe-medium kufanele ihambisane nesiqondiso somcibisholo womzimba we-valve.
2. I-valve yokuhlola izofakwa ngaphambi kokuba i-condensate ingene epayipini eliyinhloko lokubuyisela ngemva kwesicupho ukuvimbela i-condensate ukuthi ingabuyi.
3, i-valve yenduku ayikwazi ukungcwatshwa idivayisi, uma kwenzeka ukugqwala kwesiqu. Ku-gutter ene-cover plate, i-valve kufanele ifakwe endaweni lapho ukulungiswa nokuhlolwa nokusebenza kulula khona.
4, ezinye izidingo ziyavaleka lapho umthelela wesiteleka samanzi umncane noma ungekho ipayipi lokushaywa kwamanzi, ukukhetha okungcono kakhulu kwevalvu yokuhlola uvemvane evala kancane, ivalve yokuhlola ukuvala ukuvala kancane.
5. Uma ufaka ama-valve anezintambo, kuyadingeka ukuqinisekisa ukuthi izintambo ziqinile, futhi zihlanganiswe nokupakishwa okuvalwe ngokuhambisana nemidiya ehlukene. Lapho uqinisa, kuyadingeka ukuphoqa ngokulinganayo ukuze ugweme ukulimala kwezesekeli ze-valve ne-valve.
6. Uma ufaka i-valve ye-welding ye-socket, isokhethi kufanele ibe negebe le-12m ukuvimbela ukucindezeleka okushisayo ngesikhathi sokushisa ekwandiseni nasekuqhekekeni kwe-weld.
7. Uma ifakwe epayipini elivundlile, isiqu kufanele siphakame siqonde phezulu noma sitshekiswe ku-Engeli ethile, futhi isiqu asivunyelwe ukufakwa phansi.
I-8, i-valve ye-butt kanye nepayipi yokuxhuma i-weld phansi kufanele isebenzise i-argon arc welding welding, i-welding kufanele ivule i-valve ukuvimbela ukuguqulwa kokushisa ngokweqile.
9, ngaphambi kokufaka isicupho, qiniseka ukuthi usebenzisa isitimu sokucindezela ukuze uhlanze ipayipi, imfucumfucu epayipini.
10, i-steam trap ayifaki ochungechungeni.
I-11, i-valve yokuhlola uhlobo lwe-diaphragm ivame ukusetshenziselwa ukukhiqiza isiteleka samanzi kalula epayipini, ngoba i-diaphragm ingaba yinhle kakhulu ukuqeda i-medium countercurrent lapho isiteleka samanzi, kodwa inqunyelwe izinga lokushisa nokucindezela, ngokuvamile esetshenziswa ekamelweni lokushisa eliphansi. iphayiphi.
12, isicupho kufanele sifakwe ngaphambi kwesihlungi, ukuqinisekisa ukuthi isicupho asivinjwanga yimfucumfucu yamapayipi, ukuhlanza njalo isihlungi.
13. Ama-valve axhunywe nama-flange kanye nezintambo kufanele avaliwe ngesikhathi sokufakwa.
14, isiqondiso sokugeleza kwe-condensate kufanele sihambisane nomaki womcibisholo wokufaka isicupho.
15, isicupho kufanele sifakwe endaweni ephansi kakhulu yemishini, ukukhishwa okufika ngesikhathi kwamanzi ajiyile, ukugwema ipayipi lokumelana nomusi.
16. Uma ufaka ama-valve ane-flanged, iziphetho ezimbili ze-flange kufanele zihambisane futhi zigxile.
17, ngaphambi nangemva kwesicupho sokufaka i-valve, isicupho esikahle nganoma yisiphi isikhathi ukuze sithathe ukulungiswa.
18, isicupho semishini sizofakwa sivundlile.
19, ithole ukuthi umusi wesicupho, ukuze ukhiphe ngesikhathi esifanele futhi uhlanze isihlungi, ngokusho kokusetshenziswa kwangempela kokuhlolwa okuvamile, uma kwenzeka ukulungisa iphutha nganoma yisiphi isikhathi.
20, ungenzi i-valve yokuhlola ibhere isisindo epayipini, i-valve yokuhlola enkulu kufanele isekelwe ** *, ukuze ingathinteki ukucindezela okukhiqizwa uhlelo lwepayipi.
21. Ipayipi eliyinhloko lokubuyisela i-condensate ngemva kokuba isicupho singakwazi ukukhuphuka, okuzokwandisa ukucindezela emuva kwesicupho.
22. Uma isicupho singafakwanga endaweni ephansi kakhulu yemishini, ukugoba okuphambene kufanele kwengezwe endaweni ephansi kakhulu yokuphuma kwamanzi, futhi izinga le-condensate liphakanyiswa ngaphambi kokufaka umgibe ukuze ugweme ukumelana nomusi.
23, ipayipi lokukhipha isicupho akufanele licwiliswe emanzini.
24. Uma kukhona ukubuyiswa kwe-condensate ngemva kwesicupho, ipayipi lokudonsa le-trap kufanele lixhunywe kwipayipi elikhulu ngaphezu kwepayipi eliyinhloko lokubuyisela ukuze kuncishiswe umfutho ongemuva futhi kuvimbele i-reflux.
25. Ithuluzi ngalinye liyohlonyiswa ngesicupho salo.
30, uhlobo lokuphakamisa i-valve yokuhlola i-flap evundlile kufanele ifakwe epayipini elivundlile.
I-31, efakwe kumgibe wepayipi le-steam, ipayipi eliyinhloko lokusetha eduze nendawo yepayipi eliyinhloko lokuqoqa amanzi kahle, bese liholela esicupheni ngepayipi elincane.
32, uma kukhona ukubuyiswa kwe-condensate ngemva kogibe, kuyadingeka ukuhlukanisa ukubuyiswa kwepayipi yamazinga ahlukene okucindezela.
33, uhlobo lokuphakamisa i-valve yokuhlola i-flap eqondile idinga ukufakwa ngokuqondile.
34, isicupho mechanical ayisetshenziswa isikhathi eside, kudingeka ukususa isikulufa drain, amanzi ngaphakathi ukukhululwa, ukuvimbela okokuqandisa.
35, isicupho se-thermostatic ngaphambi kwesidingo semitha engaphezu kweyodwa ye-thermal insulation yepayipi elipholile kakhulu, ezinye izinhlobo zesicupho kufanele zibe seduze ngangokunokwenzeka kumishini.
Ungabhekana kanjani ne-valve yepayipi yemishini yesiqandisi "gijima, gijima, yehlisa, ivuze"? Indlela engcono kakhulu yokubhekana “nokugijima, ukubhibhidla, ukuconsa, ukuvuza” kwamavalvu amapayipi esiqandisi ukuwavimbela. Indlela yokuthola inkinga futhi ugweme ingozi ngaphambi kokuhluleka kwe-valve? Khona-ke, kufanele senze okulandelayo:
Indlela engcono kakhulu yokubhekana “nokugijima, ukubhibhidla, ukuconsa, ukuvuza” kwamavalvu amapayipi esiqandisi ukuwavimbela. Indlela yokuthola inkinga futhi ugweme ingozi ngaphambi kokuhluleka kwe-valve? Khona-ke, kufanele senze okulandelayo:
1, vimbela ukuvuza kwamanzi e-valve, ukuvuza komusi
Wonke ama-valve kufanele ahlolwe nge-hydraulically emabangeni ahlukene ngemva kokungena efekthri.
Ama-valve okudingeka ahlakazwe kufanele aphansi.
Enqubweni yokulungisa ngokweqile, kuyadingeka ukuthi uhlole ngokucophelela ukuthi impande ye-pan yengezwe nokuthi i-pan impande ye-pan iqinisiwe.
I-valve ngaphambi kokufakwa kufanele ihlole ukuthi ingabe kukhona uthuli, isihlabathi, i-iron oxide nezinye i-sundries ngaphakathi kwe-valve. Uma okunye kwalokhu okungenhla kufanele kuhlanzwe ngaphambi kokufakwa.
Wonke ama-valve kufanele afakwe izikhala zebanga ezifanele ngaphambi kokufakwa.
Lapho ufaka umnyango we-flange, izinsimbi kufanele ziqiniswe, futhi lapho uqinisa ama-flange bolts, kufanele aqiniswe ngendlela elinganayo.
ENQUBO YOKUFAKA AMAVAVAVU, WONKE ama-valve kufanele afakwe ngendlela efanele ngokohlelo nokucindezela, futhi ukufakwa okungahleliwe nokuxubile akuvunyelwe ngokuqinile. Ngale njongo, wonke ama-valve kufanele abalwe futhi aqoshwe ngokuvumelana nesistimu ngaphambi kokufakwa.
2. Vimbela ukuvuza kwesistimu kawoyela nokusebenza kukawoyela
Isistimu enethangi lokugcina uwoyela kufanele ihlolwe ngokucophelela futhi ihlanzwe ngaphambi kokufakwa.
Ukuhlolwa kwe-Hydrostatic kufanele kwenziwe emishinini epholile kawoyela.
Ukuhlolwa kwe-Hydrostatic kanye nokucotshwa kufanele kwenziwe ohlelweni lwamapayipi kawoyela.
Wonke amajoyinti anamapheshana noma okuxhunywe bukhoma okunamabhande entambo kufanele kufakwe i-MATS yenjoloba emelana nowoyela noma i-whetstone MATS ngesikhathi sokufakwa kolayini kawoyela.
Amaphuzu okuvuza kwesistimu kawoyela agxilwe ikakhulukazi ku-flange kanye namajoyini aphilayo afakwe imicu, ngakho-ke ama-bolts kufanele aqiniswe ngokulinganayo lapho ufaka i-flange. Vimbela ukuvuza okuqinile noma okungaqinile.
Enqubweni yokuhlunga uwoyela, izisebenzi zokwakha kufanele zinamathele emisebenzini yazo ngaso sonke isikhathi, futhi akuvunyelwe ukukhipha isigxobo nokufaka intambo.
Ekushintsheni iphepha lokuhlunga uwoyela kuyadingeka ukumisa indlela yokuhlunga uwoyela.
Lapho ufaka ipayipi lesikhashana lokuxhuma isihlungi sikawoyela (** ipayipi lepulasitiki elibonisa ngale), ijoyinti kufanele liboshwe ngentambo yomthofu ngokuqinile ukuze kuvinjelwe ukwenzeka kokugxuma namafutha agijimayo ngemva kokuba isihlungi sikawoyela sisebenza isikhathi eside.
Ukuthunyelwa kwabasebenzi bokwakha abanomthwalo wemfanelo ukuze babukele umsebenzi wesihlungi sikawoyela.
Ngaphambi kokuqala kokujikeleza kukawoyela ohlelweni olusizayo lukawoyela wenjini, uMnyango Wezobunjiniyela uzohlela ukudalulwa okuningiliziwe kwezobuchwepheshe kubasebenzi abaphethe ukuhamba kukawoyela enjini eyisiza.
3, vimbela imishini kanye nepayipi elilingana ibhamuza elingaphezulu, ukubhuquza, ukuconsa, ukuvuza
Kuma-gaskets e-flange ngaphezulu kwe-2.5Mpa, ama-gaskets ahamba ngensimbi ayamukelwa.
1.0Mpa-2.5Mpa flange uhefuzela, usebenzisa i-asbestos gasp, futhi umbozwe ngempushana yomthofu emnyama.
I-flange gasket yepayipi lamanzi elingaphansi kuka-1.0Mpa izoba yi-gasket yerabha futhi imbozwe ngempushana yomthofu emnyama.
Impande yediski yepompo yamanzi isebenzisa i-PTFE fibre composite disc root.
Ezingxenyeni ezivaliwe zentuthu namapayipi omoya wamalahle, intambo ye-asbestos kufanele isongwe futhi yengezwe endaweni ehlangene kahle ngesikhathi esisodwa. Akuvunyelwe ngokuphelele ukuyengeza ngamandla ngemva kokuqinisa izikulufu.
4. Vimbela ukuvuza kwe-valve
Ukwakhiwa kokufakwa kwamapayipi, kufanele kusungule ukuqwashisa okuhle kwekhwalithi, ukuhlanza ngokucophelela ishidi lensimbi ye-oxide kanye nodonga lwamapayipi, ungashiyi ama-sundries, uqinisekise ukuthi udonga lwamapayipi luhlanzekile.
Okokuqala, qiniseka ukuthi ama-valve angena endaweni kufanele ahlolwe i-hydrostatic engu-100%.
UKUSIYA AMAVALUVU KUFANELE KWENZIWE NGOKUQAPHELA, WONKE AMAVAVAVU (NGAPHANDLE AMAVAVAZI ANGEZIWE) kufanele ATHUNYELWE ITHIMBA LOKUGILA UKUZE KUHLOLWE UKUQHUBEKA, ukunakekela ukugaya, nokusebenzisa umthwalo wemfanelo, ngokuzazisa ukwenza amarekhodi namamaki, ukulandeleka kalula. Ama-valve abalulekile kufanele afakwe kuhlu ngokuningiliziwe ukuze amukeleke okwesibili, ukuze "ukugxiviza, ukuphrinta, ukuqopha" izidingo.
Isango lamanzi elingaphezulu kanye nesango lokukhipha le-boiler lizonqunywa kusengaphambili. Lawa ma-valve kuphela avunyelwe ukuvulwa ngesikhathi sokuhlolwa kwe-hydrostatic. Amanye ama-valve ngeke avulwe ngokuthanda kwawo, ukuze kuvikelwe umnyombo we-valve.
Lapho ipayipi lishaywa, kufanele livulwe futhi livalwe ngobumnene ukuze kuvinjelwe ukulimala komgogodla womnyango.
5, uma i-valve ivuza, kwenziwa kanjani?
Thola isizathu, umuthi ofanele!
Ukuvuza komzimba nebhonethi
Isizathu:
Ikhwalithi yokuphonsa yensimbi ayiphezulu, umzimba we-valve nesembozo se-valve ine-trachoma, inhlangano exekethile, i-slag nokunye ukukhubazeka;
Usuku lokuqandisa ukuqhuma;
I-welding engalungile, ukufakwa kwe-slag, okungafakwanga, ukuqhekeka kokucindezeleka nezinye iziphambeko;
I-valve yensimbi yokusansimbi yonakaliswe into esindayo.
Izindlela zokunakekela:
Ukuthuthukisa ikhwalithi yokusakaza, ngaphambi kokufakwa ngokuhambisana ngokuqinile nezinhlinzeko zokuhlolwa kwamandla;
Ukushisa kwe-valve ku-0 ℃ nangaphansi kuka-0 ℃, kufanele kube ukugcinwa kokushisa noma ukuxuba, ukuyeka ukusebenzisa i-valve kufanele kukhishwe amanzi;
Umthungo wokushisela womzimba kanye nesembozo se-valve esakhiwe yi-welding sizokwenziwa ngokuya ngemithetho efanele yokusebenza kwe-welding, futhi ukutholwa kwamaphutha nokuhlolwa kwamandla kuzokwenziwa ngemuva kokushisela;
KUVULELEKILE UKUPHUSHA NOKUBEKA IZINTO EZISINDAYO KUVALIVU. Akuvunyelwe ukushaya insimbi eyinsimbi kanye ne-valve engeyona eyensimbi ngesando. Ukufakwa kwe-valve yobubanzi obukhulu kufanele kusekelwe.
Ukuvuza ekupakisheni
Ukuvuza kwe-valve, ukupakishwa kubalwe ingxenye enkulu.
Isizathu:
Ukukhetha ukupakisha akulungile, akumelani nokugqwala okuphakathi, akumelani nokucindezela okukhulu noma i-vacuum valve, izinga lokushisa eliphezulu noma ukusetshenziswa kwezinga lokushisa eliphansi;
Ukupakisha akufakiwe ngendlela efanele, kukhona ezinye iziphambeko ezifana nokufaka encane esikhundleni esikhulu, i-helix winding joint ayilungile, i-top tight kanye ne-low loose.
Ukupakishwa sekugugile futhi kulahlekelwe ukunwebeka okudlula impilo yesevisi;
Ukunemba kwe-valve stem akuphakeme, ukugoba, ukugqwala, ukuguga nokunye ukukhubazeka;
Inombolo yezindandatho zokupakisha ayanele, i-gland ayicindezelwe;
Indlala, imishudo, nezinye izingxenye zonakele, ukuze indlala ayikwazi ukucindezelwa;
Ukusebenza okungalungile, amandla amaningi, njll.;
I-gland skew, i-gland ne-stem gap incane kakhulu noma inkulu kakhulu, okuholela ekugugeni kwesiqu, ukupakishwa komonakalo.
Izindlela zokunakekela:
Impahla kanye nohlobo lokupakisha kufanele kukhethwe ngokuvumelana nezimo zokusebenza;
Ngokwezinhlinzeko ezifanele zokupakishwa kokufakwa okulungile, impande yepani kufanele ibekwe futhi icindezelwe nxazonke ngokuphenduka, ukuhlangana kufanele kube ngu-30 ℃ noma 45 ℃;
Ukupakishwa okunempilo ende yesevisi, ukuguga nokulimala kufanele kushintshwe ngesikhathi;
Ukugoba kwe-valve stem, ukuguga kufanele kuqondiswe, kulungiswe, umonakalo omkhulu kufanele ushintshwe ngesikhathi;
Ukupakisha kufanele kufakwe ngokwenani elinqunyiwe lokuphenduka, indlala kufanele ibe yi-symmetrical futhi iqiniswe ngokulinganayo, umkhono wengcindezi kufanele ube negebe elingaphezu kuka-5mm lokuqinisa;
Indlala eyonakele, amabhawodi nezinye izingxenye kufanele kulungiswe noma kushintshwe ngesikhathi;
Kufanele ihambisane nezinqubo zokusebenza, ngaphandle komthelela wesondo lesandla, ngesivinini esifanayo esisebenza ngokujwayelekile;
Ibhawudi yegland kufanele iqiniswe ngokulinganayo futhi ilingane. Uma igebe phakathi kwegland nesiqu se-valve lincane kakhulu, igebe kufanele linyuswe ngendlela efanele. Uma igebe phakathi kwendlala nesiqu likhulu kakhulu, kufanele lishintshwe.
Ukuvuza kwendawo yokuvala
Isizathu:
Ukubekwa uphawu kokugaya kungalingani, akukwazi ukwakha umugqa oseduze;
Ukuxhumana phakathi kwesiqu kanye nengxenye yokuvala kumisiwe, hhayi ngokuqondile noma ukugqoka;
Ukugoba kwesiqu se-valve noma ukuhlanganiswa akulungile, ukuze ingxenye yokuvala igwetshwe noma ingabi phakathi;
Ukukhetha okungalungile kwekhwalithi yezinto ezibonakalayo zokuvala uphawu noma cha ngokusho kwezimo zokusebenza zokukhethwa kwe-valve.
Isizathu:
Ukusebenza okungalungile, ukuze ucezu lokuvala lunamathele noma ngaphezulu kwephuzu elifile, uxhumano lonakalisiwe futhi luphukile;
Vala uxhumano aluqinile, lukhululekile futhi luwa;
Ukukhethwa kwezinto zokuxhuma akulungile, akukwazi ukumelana nokugqwala kokugqoka okuphakathi nendawo.
Izindlela zokunakekela:
Ukusebenza okulungile, ukuvala i-valve ayikwazi ukuphoqa kakhulu, vula i-valve ayikwazi ukudlula iphuzu elifile, i-valve ivuliwe ngokugcwele, i-handwheel kufanele ihlehle kancane;
Ukuxhumana phakathi kwengxenye yokuvala kanye nesiqu se-valve kufanele kuqine, futhi uxhumano lwentambo kufanele lube ingxenye ye-backstop;
Izixhumi ezisetshenziselwa ukuxhuma izingxenye zokuvala kanye nesiqu se-valve kufanele zimelane nokugqwala kwendawo ephakathi futhi zibe namandla athile okusebenza kanye nokumelana nokuguga.