Ukugcinwa kwesicelo sokufakwa kwe-valve yokukhiqiza kwezimboni izidingo ezijwayelekile zesimo sokufaka i-valve yokushisa ezilawulayo

Ukugcinwa kwesicelo sokufakwa kwe-valve yokukhiqiza kwezimboni izidingo ezijwayelekile zesimo sokufaka i-valve yokushisa ezilawulayo

Indlela yesenzo se-valve esebenzayo, amandla azenzela wona kanye namandla angaphandle. Ukuzethemba kubhekisela esakhiweni sangaphakathi se-valve esakhiwe ngokushintsha kwengcindezi yokusebenza kwempahla, izinga lokushisa kanye namanye amandla okushayela umgogodla we-valve izingxenye ezihlukahlukene ezihambayo; Ukushayela ngamandla kwangaphandle kubhekisela ekusetshenzisweni kwamandla angaphandle ukushayela izingxenye ezihlukahlukene ezihambayo ze-valve core, okuhlanganisa i-manual, ugesi, i-pneumatic, i-hydraulic control valve, i-electromagnetic induction drive kanye nalezi zindlela zokushayela ngokubambisana. Ivalvu engavumelekile ihlanganisa ukuvala okungavumelekile, ukuma okungavumelekile, ukwehluleka ukusebenza, njll. Ukuqina okungavumelekile kuhlanganisa ukuchayeka nokuvuza komoya. Ukuma okungavumelekile kufaka phakathi ukwehluleka kwedrayivu, ukubambeka kwesihlalo, ukufa kwe-spool, njll. Ukwehluleka komsebenzi ngokuya ngohlobo lwevalvu kuhlukile...
Isigaba 1
Leli zinga lichaza izidingo ezijwayelekile zokufakwa, ukusetshenziswa kanye nokugcinwa kwama-valve ensimbi yezimboni.
Lokhu kucaciswa kusebenza kuma-valve embulunga, ama-globe valves, ama-valve okusiza, ama-valve esango, ama-disc valves, ama-butterfly valves, ama-plug valve, ama-sheke valve, ama-valve, ama-valve alawula ingcindezi, ama-steam trap, ama-valve alawulayo namanye ama-valve.
2 Imibhalo eyinkomba evamile
Izinhlinzeko kumadokhumenti alandelayo ziba yizinhlinzeko ezifanele zalesi Sicaciso ngokuya ngokwethulwa kwalokhu kucaciswa. Uma idokhumenti inedethi, ushintsho ngalunye olulandelayo (ngaphandle kwe-erratum) noma ukubuyekezwa akufanelekile kulokhu kucaciswa. Kodwa, uma idokhumenti ingenalo usuku, inombolo yenguqulo yenombolo yenguqulo izosebenza esimisweni ukuze kukhuthazwe ucwaningo lwesayensi oluhlukahlukene ukuze kufinyelelwe esivumelwaneni sokuthi ulwazi lwedokhumenti lungasetshenziswa yini.
I-GB/T 13927 Ukuhlolwa kwengcindezi yamavalvu okukhiqiza ezimboni (GB/T 13927 2008,ISO/DIS 5208:2007,MOD)
Ukuhlolwa kwe-valve ye-JB/T 9092 nokuhlola
3 Ukuchazwa Kwemibandela
Imigomo nezincazelo ezilandelayo ziyasebenza kulokhu kucaciswa.
Imodi yokuxhuma i-tonnect}kwimodi
Ithiphu ye-valve nepayipi noma ifomu lokufinyelela lemishini, okuhlanganisa i-looper flange, uxhumano lwe-flange, uxhumano lwentambo, uxhumano lwe-groove, njll.
indlela yokushayela i-micans yokushayela
Indlela yesenzo se-valve esebenzayo, amandla azenzela wona kanye namandla angaphandle. Ukuzethemba kubhekisela esakhiweni sangaphakathi se-valve esakhiwe ngokushintsha kwengcindezi yokusebenza kwempahla, izinga lokushisa kanye namanye amandla okushayela umgogodla we-valve izingxenye ezihlukahlukene ezihambayo; Ukushayela ngamandla kwangaphandle kubhekisela ekusetshenzisweni kwamandla angaphandle ukushayela izingxenye ezihlukahlukene ezihambayo ze-valve core, okuhlanganisa i-manual, ugesi, i-pneumatic, i-hydraulic control valve, i-electromagnetic induction drive kanye nalezi zindlela zokushayela ngokubambisana.
3.3 Umsebenzi wesitayela emsebenzini
Isitayela sokusebenza sevalvu sihlanganisa ukuvula nokuvala, okuvamise ukuvaleka, uhlelo lokusebenza lwesikhashana esifushane, uhlelo lokusebenza oluqhubekayo, uhlelo lokusebenza lwesikhathi somjikelezo wezikhawu.
3.4 Ukwehluleka kwevalvu Ukuhluleka kwevalvu
Ukungaphumeleli kwevalvu kufaka phakathi ukuhluleka kwesivalo, ukwehluleka ukuma, ukwehluleka ukusebenza, njll. Ukuqina okungavumelekile kuhlanganisa ukuchayeka nokuvuza komoya. Ukuma okungavumelekile kuhlanganisa ukwehluleka kwedrayivu, ukubambeka kwesihlalo, ukufa kwe-spool, njll. Ukwehluleka komsebenzi kuyahlukahluka kuye ngezinhlobo zamavalvu ahlukahlukene, njengokulungisa ama-valve angalungile, ukukhulula ukungasebenzi kwengcindezi yokusebenza, i-valve ingahambisani nezinhlinzeko zokugxuma kokucindezela kokusebenza.
4 Ukufakwa
4.1 Ukulungiselela Ukufakwa
4.1.1 Ngaphambi kokufakwa kwevalvu, hlola ukuthi isitifiketi sokufaneleka komkhiqizo kanye nemanuwali yokufaka nokusebenza kwevalvu kuphelele futhi kusemthethweni.
4.1.2 Ukuhlolwa kokubukeka kuyokwenziwa ngaphambi kokufakwa kwevalvu, okuzohambisana nalezi zinhlinzeko ezilandelayo:
a) Indawo engaphezulu akumele ibe neminkenke, izimbobo zesihlabathi, ukulimala kwemishini, ukugqwala, amabala nokunye ukushiyeka;
b) I-nameplate yefekthri ngeke ziwe, futhi amapharamitha okusebenza ku-nameplate yefekthri ahambisana namaphoyinti abalulekile womklamo wesistimu;
c) Izinhlangothi zombili zevalvu kufanele zigcinwe ngekhava yokuvikela evikelekile.
d) Akufanele kube khona ukugcinwa kwamanzi, ukugqwala, amabala kanye nokulimala ebhodini lesifunda samafutha;
e) Angeke kube khona upende kusikulufu esixhunywe se-flange, isikulufu sizoba siphelele, indawo yokuvala ye-flange ngeke yonakaliswe i-axial pipe groove nezinye izici, kanye ne-welding end welding kagesi izoba iphelele, futhi kufanele. kungabikho ukulimala komshini wokushisela;
f) i-valve yokuphepha yohlobo lwentwasahlobo ukuze kuhlolwe ubuqotho bophawu. I-valve yohlobo lwenduku kufanele ibe nemishini yokumisa uhlobo lwesando esindayo;
g) Ubuso obungaphakathi bomzimba wepayipi lerabha elinelayini, i-porcelain efakwe echibini kanye ne-valve enomugqa wepulasitiki kufanele bushelelezi, ulwelwesi kanye nesisekelo kufanele kuhlanganiswe ngokuqinile, ngaphandle kokuqhekeka, amaqhubu nokunye ukushiyeka.
4.1.3 Ukuhlolwa kwevalvu nokuvala nokuhlolwa kwengcindezi
Iswishi ye-valve (ngaphandle kwe-valve) kufanele ibe bucayi, inkomba yendawo inembe. Ngaphambi kokufaka, shintsha mathupha amandla e-valve izikhathi ezintathu ukuze ubone ukuthi asikho yini isimo sokunamathela.
Ivalvu (ngaphandle kwe-valve) izoshiywa ifekthri isikhathi esingaphezu konyaka, futhi kuhlongozwa ukuba yenze ukuhlolwa kwengcindezi ngaphansi kwemibandela. Ukuhlolwa kwamavalvu embonini ye-petrochemical kanye nezinkambu ezihlobene kuzokwenziwa ngokuhambisana nezinhlinzeko ezifanele ze-JB/T 9092, futhi ukuhlolwa okujwayelekile kwevalvu yezimboni kuzokwenziwa ngokuhambisana nezinhlinzeko ezifanele ze-GB/T 13927.
4.2 Ukufakwa
4.2.1 Izidingo ezijwayelekile
4.2.1.1 Funda imanuwali yokufaka ngokucophelela ngaphambi kokufaka ivalvu.
4.2.1.2 Amavalvu abalulwe ukungena azofakwa ngokuhambisana nezidingo zamavalvu.
4.2.1.3 Ngokuvamile, i-valve spindle akudingeki ifakwe phansi ukuze isihlalo singagxili.
4.2.1.4 Ivalvu yokuhlola isheke kufanele ifakwe izinga, umkhono we-valve wokuhlola shaft kufanele ulingane.
4.2.1.5 Kunevalvu yedivayisi ekhipha ukuphepha, futhi ivalvu yokukhulula kufanele ibe nepayipi eliphumayo, futhi umumo wokukhulula akufanele ubhekane nomsebenzisi.
4.2.1.6 Indawo yokufaka i-valve kufanele ilungele ukusebenza nokulungiswa kwangempela.
I-actuating mechanism ibambekile ngenxa yokugqwala kwe-carbon steel torsion spring ekusetshenzisweni kwe-valve elawula izinga lokushisa ezisebenza yona ngokwayo. Inkinga yaxazululwa ngokushintsha isiphethu se-torsion sibe insimbi engagqwali. (4) Emapayipini asetshenziswa kancane, ezinye izakhi ziyabhajwa ngenxa yokuthi amavalvu asebenza ngokwawo awasebenzi isikhathi eside. Ngokwenza ukugcinwa okuvamile nokulinganisa kwe-valve, amathuba okuhluleka okuvamile ayancipha.
Isimo sohlelo lokusebenza lwevalvu yokulawula izinga lokushisa ngokwakho
Ubuchwepheshe bokucubungula ukhiye wokulawula izinga lokushisa okuzimelayo
(1) I-valve ezilawula izinga lokushisa (iphuzu elizwa izinga lokushisa lesakhiwo sangaphakathi) yokungena kwesishintshi sokushisa nokulawula izinga lokushisa.
(2) I-valve ezilawula izinga lokushisa (iphuzu lokuzwa izinga lokushisa langaphandle le-capillary) yendawo yokushintsha ukushisa nokulawula izinga lokushisa.
2. Izinkinga zohlelo zenzekile
(1) I-spool ibambekile;
(2) Ivalvu ayikwazi ukuvulwa;
(3) ukuphuma kwama-capillaries afudumele;
(4) I-actuator ibambekile;
(5) Isakhiwo sangaphakathi se-actuator sigqwalile ngemva kwe-condensate;
(6) Iketango elincane le-actuator alikwazi ukuphumela ngaphandle ngemva kokuba livaliwe;
(7) Ukuvuza kwevalvu kukhulu.
3 Izinyathelo eziphikisana nokugcinwa nokulungiswa
(1) Ngaphambi kokuhlolwa kwaminyaka yonke okufanelekile, amathuba okuhluleka okujwayelekile makhulu kakhulu. Kukhushulwe amathuba ahlobene okuhlolwa kwalo nyaka. Okuqukethwe kokuhlolwa kwalo nyaka yilokhu: hlola ukuthi ingabe ikhona yini inkinga ngesistimu yokulungisa, lungisa ngokuzenzakalelayo izinga lokushisa, ukuze ubone ukuthi kukhona yini indawo ehambisanayo ye-valve yokulungisa; Hlola ukuvuza kwe-capillary.
(2) Ngenxa yokukhethwa kweglue legwebu ukuze kuqhutshwe ukushisa, okuholela ku-foam glue ku-valve, ukuze i-valve ibambelele. Ngemva kokushintsha indlela yokushisa ukushisa, le nkinga ixazululwa ngesikhathi.
(3) I-actuator ibambekile ngenxa yokugqwala kwe-carbon steel torsion spring. Inkinga yaxazululwa ngokushintsha isiphethu se-torsion sibe insimbi engagqwali.
(4) Emapayipini asetshenziswa kancane, ezinye izakhi ziyabhajwa ngenxa yokuthi amavalvu asebenza ngokwawo awasebenzi isikhathi eside. Ukugcinwa okuvamile nokulinganisa kwenziwa ukuze i-valve inciphise amathuba okuhluleka okuvamile.