Izesekeli eziyinhloko ze-valve - ukulawulwa kwesimo se-valvei-valveukuhlukaniswa okuningiliziwe
I-valve positioner iyisesekeli esiyinhloko se-valve elawulayo, kanye ne-valve yokulawula umoya, yamukela isignali ephumayo yesilawuli, bese ngesignali yayo yokukhipha ukulawula i-valve yokulawula umoya, lapho isenzo se-valve, ukugudluka kwesiqu se-valve futhi ngempendulo yedivayisi ewumshini esiya endaweni ye-valve, ukuma kwevalvu ngesignali kagesi ohlelweni olungaphezulu. Isibonisi sevalvu ngokuya ngesakhiwo saso kanye nomgomo wokusebenza singahlukaniswa sibe indawo yokubeka i-valve yomoya, i-valve positioner kagesi kanye ne-valve positioner ehlakaniphile.
I-valve positioner ingakhuphula amandla okukhipha i-valve elawulayo, inciphise ukugogeka kokudluliselwa kwesiginali elawulayo, isheshise isivinini sokunyakaza kwe-stem, ingathuthukisa umugqa we-valve, inqobe ukungqubuzana kwesiqu futhi isuse ithonya lokungalingani. amandla, ukuze kuqinisekiswe ukuma okulungile kwe-valve elawulayo. I-actuator ihlukaniswe i-actuator yomoya kanye ne-actuator kagesi, ene-stroke eqondile kanye ne-Angle stroke. Isetshenziselwa ukuvula nokuvala ngokuzenzakalela nangokuzenzela zonke izinhlobo zeminyango, amaphaneli omoya, njll.
I-valve positioner esetshenziswayo, ngokuvamile edinga ukuhambisana nomlawuli, ingenye yezingxenye eziyinhloko zomlawuli, ingathola ukuphuma kwesiginali yomlawuli, bese ilawula umlawuli, ukudluliselwa kwesignali kagesi ekugcineni ohlelweni olungenhla, lapha kwethula okunye. isilawuli se-valve ekusetshenzisweni kwezindaba ezidinga ukunakwa.
1. Kwezinye izinhlelo ezibalulekile zokulawula, ezisekela ukusetshenziswa kwama-valve okulawula izinga eliphezulu, zingathuthukisa ngokuphumelelayo ukuma kwe-valve nokuthembeka.
2. Ngezinye izikhathi umehluko wengcindezi phakathi kweziphetho ezimbili ze-valve mkhulu kakhulu. Ukuze usize umgogodla we-valve unqobe amandla angalingani, inani lokucindezela lomthombo womoya lingakhuphuka ukuze kuncishiswe iphutha.
3. Uma isetshenziswa kwezinye izindawo ezinezakhiwo eziyingozi, izogcwaliswa ngezinto zokugcwalisa ezihlangene kakhulu ukuvimbela ukuvuza kwendawo elungisiwe, njengoketshezi noma igesi enokushisa okuphezulu, okunobuthi, okuvutha umlilo, ukushisa okuphansi nezinye izakhiwo. Le ndlela ikhulisa ukungqubuzana ngaphakathi kwedivayisi, futhi ukusetshenziswa kwesimo se-valve kuyindlela enhle yokuxazulula lezi zinkinga.
4. Okunye okuphakathi okunezinhlayiya ezithile noma i-viscosity kuzoletha ukumelana okukhulu nesiqu se-valve elawulayo. Ukusetshenziswa kwe-valve positioner kungasiza isiqu sinqobe ukumelana okukhulu.
5. Uma ibanga phakathi kwe-actuator nesilawuli likhulu, isenzo sokushintsha i-valve sizohamba kancane, futhi indawo yokubeka i-valve nayo inganciphisa kahle isikhathi sokusala kwesiginali yokulawula.
Ama-positioners ajwayelekile asebenza ngomgomo we-mechanical force balance, okungukuthi, ubuchwepheshe be-nozzle baffle. Izinhlobo zamaphutha amakhulu yilezi ezilandelayo:
1. Ngenxa yesimiso sokulinganisa amandla emishini, izingxenye ezihambayo ziningi, kulula ukuthintwa izinga lokushisa nokudlidliza, okuholela ekuguquguqukeni kwe-valve elawulayo;
2. Ukusebenzisa ubuchwepheshe be-nozzle baffle, ngoba imbobo ye-nozzle incane, kulula ukuvinjelwa uthuli noma umthombo womoya ongcolile, ukuze indawo engakwazi ukusebenza ngokujwayelekile;
3. Ukusebenzisa isimiso sokulinganisa amandla, i-elastic coefficient yasentwasahlobo izoshintsha endaweni yesehlakalo esinzima, okuholela ku-valve yokulawula engaqondile eholela ekwehleni kwenani lokulawula elingu-1.
4 I-Intelligent Locator yi-microprocessor (CPU), i-A/D, i-D/A converter nezinye izakhi, isimiso sayo sokusebenza nendawo evamile ihluke ngokuphelele, inani elinikeziwe kanye nenani langempela lokuqhathanisa isignali kagesi emsulwa, akukho isikhathi eside ibhalansi yamandla. Ngakho-ke, inganqoba ububi bebhalansi yamandla we-positioner evamile. Kodwa-ke, uma isetshenziswa endaweni yokupaka izimo eziphuthumayo, njenge-valve yokunqamula izimo eziphuthumayo, i-valve ye-vent yesimo esiphuthumayo, njll., lawa ma-valve adinga ukuma endaweni ethile, kuphela lapho kuvela isimo esiphuthumayo, kuyadingeka ukwenza ngokuthembekile. Uma uhlala endaweni ethile isikhathi eside, kulula ukwenza isiguquli sikagesi singalawuleki futhi sibangele ingozi yesignali encane akukho senzo. Ngaphezu kwalokho. Ngenxa yokuthi i-potentiometer ezwa indawo esetshenziselwa i-valve isebenza ensimini, inani lokumelana kulula ukulishintsha okuholela engozini yesignali encane akukho senzo kanye nesignali enkulu igcwele. Ngakho-ke, ukuze kuqinisekiswe ukwethembeka nokutholakala kwezindawo ezihlakaniphile, kufanele zihlolwe njalo.
Ukuhlukaniswa nohlobo lwama-valve okulawula:
I-valve elawulayo yaziwa nangokuthi i-valve yokulawula, i-proportional valve, i-valve yokugeleza, i-valve yokucindezela, i-valve yokunciphisa ingcindezi kanye ne-throttle valve ukukhuluma ngokuqinile nayo ilawula i-valve. Imakethe ngokuvamile ayizange ibeke lezi zinhlobo ezimbili zokungeniswa esigabeni somlawuli. I-valve elawulayo ye-Taichen ngokuvamile ihlukaniswa i-pneumatic regulating valve, i-valve elawulayo kagesi, i-valve yokulawula yezandla, i-valve yokulawula ezimele njalo njalo.
Imodi yokusebenza ye-valve yokulawula umoya iqhutshwa idivayisi ye-pneumatic (esebenzisa amandla egesi) ukuze ilawule futhi ivule futhi ivale i-valve. Lolu hlobo lwe-valve yokulawula ihlukaniswe i-valve yokulawula ifilimu yomoya, i-pneumatic film valve regulating valve, i-pneumatic film cutting valve, i-pneumatic single-seat regulating valve, i-pneumatic valve elawula izihlalo ezimbili, i-pneumatic piston cutting valve, i-pneumatic regulating ball valve, i-pneumatic regulating butterfly valve nokunye.
I-valve yokulawula kagesi iqhutshwa i-actuator kagesi (amandla kagesi) ukuvala, ukuvula nokulungisa i-valve, lolu hlobo lwe-valve yokulawula ihlukaniswe i-valve yokulawula isihlalo esisodwa sikagesi, i-valve yokulawula izihlalo ezimbili kagesi, i-valve yekheji kagesi yohlobo lokulawula, ugesi. I-Angle elawula i-valve, i-valve yokulawula i-confluence kagesi yezindlela ezintathu, ugesi ngokusebenzisa i-valve yokulawula yesihlalo esisodwa, i-valve yokulawula uvemvane kagesi, i-valve yebhola elawulayo kagesi nokunye.
I-valve yokulawula ingcindezi ezimele iwukusebenzisa amandla e-medium ngokwayo ukushayela ukuvulwa kwe-valve nokuvala nokulawula umphumela, lolu hlobo lwe-valve yokulawula ihlukaniswe yaba i-valve yokulawula ingcindezi ezimele, i-valve yokulawula izinga lokushisa ezizimele, i-self- i-valve yokulawula ukugeleza okuthembekile nokunye.
Isethulo sokuhlukaniswa ngezigaba ezinemininingwane yevalvu:
I-valve elawulayo imvamisa yakhiwa izingxenye ezimbili: i-actuator kagesi noma i-pneumatic actuator kanye nomzimba we-valve. Ukuhamba okuqondile ikakhulukazi kunezinhlobo ezimbili: uhlobo oluqondile lwesihlalo esisodwa kanye nohlobo lwezihlalo ezimbili eziqondile. Lesi sakamuva sinezici zomthamo omkhulu wokugeleza, ukusebenza okuncane okungalingani nokusebenza okuzinzile, ngakho-ke kuvame ukufaneleka ikakhulukazi ngesikhathi sokugeleza okukhulu, ukwehla kwengcindezi ephezulu kanye nokuvuza okuncane. I-angle stroke ikakhulukazi ihlanganisa: I-valve yebhola kagesi yohlobo lwe-V, i-valve butterfly kagesi, i-valve elawula umoya wokuphefumula, i-eccentric butterfly valve njalonjalo.
Izigaba ezinkulu ze-valve yokulawula:
I-valve yokulawula kagesi iyinsimbi ebalulekile ekulawuleni inqubo ye-industrial automation. Ngokukhula kwezinga lokuzenzakalelayo emkhakheni wezimboni, liya lisetshenziswa kakhulu emikhakheni ehlukahlukene yokukhiqiza ezimbonini. Uma kuqhathaniswa ne-valve yokulawula umoya wendabuko inezinzuzo ezisobala: i-valve yokulawula ugesi yesigaba inga (kuphela emsebenzini ukuze kudle amandla kagesi), ukuvikelwa kwemvelo (akukho kukhishwa kwekhabhoni), ukufakwa okusheshayo nokulula (ngaphandle kwepayipi eliyinkimbinkimbi le-pneumatic kanye nendawo yokusebenza yephampu).
I-hydraulic control valve iyingxenye yokulawula yesistimu yokulethwa koketshezi lwamapayipi, isetshenziselwa ukuguqula ingxenye yesiteshi kanye nesiqondiso sokugeleza kwe-medium, ngokuphambukisa, ukusika, ukulawulwa, ukudonsa, ukuhlola, i-shunt noma ukuchichima kwengcindezi futhi eminye imisebenzi. Amavalvu okulawula uketshezi ahluka ngokwehlukahlukana kanye nokucaciswa kwawo kusuka kumavalvu embulunga alula kuya kumavalvu asetshenziswa ezinhlelweni zokulawula ezizenzakalelayo eziyinkimbinkimbi kakhulu. Osayizi abavamile bamavalvu basukela kumavalvu ensimbi amancane kakhulu kuye kumavalvu amapayipi ezimboni afika ku-10m ububanzi. I-Shanghai Taichenvalve ingasetshenziswa ukulawula amanzi, umusi, uwoyela, igesi, udaka, zonke izinhlobo zemidiya ezonakalisayo, insimbi ewuketshezi kanye noketshezi olukhipha imisebe nezinye izinhlobo zokugeleza koketshezi, ingcindezi yokusebenza kwe-valve ingaba kusuka ku-0.0013MPa kuya ku-1000MPa ukucindezela okuphezulu kakhulu. , izinga lokushisa lokusebenza kusuka ku--269 ℃ lokushisa kuya ku-1430 ℃ lokushisa eliphezulu. Ukulawula i-valve kungasebenzisa izindlela ezihlukahlukene zokudlulisa, njenge-manual, ugesi, i-hydraulic, i-pneumatic, i-worm gear, i-electromagnetic, i-electromagnetic - i-hydraulic, i-electric - hydraulic, igesi - i-hydraulic, i-spur gear, i-bevel gear drive; Ngaphansi kwesenzo sengcindezi, izinga lokushisa noma ezinye izinhlobo zezimpawu zokuzwa, ngokuya ngezidingo ezinqunywe kusengaphambili zesenzo, noma unganciki kusiginali yokuzwa nokuvula noma ukuvala okulula, i-valve incike ekushayeleni noma kumshini ozenzakalelayo wokwenza ukuvulwa. kanye nezingxenye ezivalayo zokuphakamisa, ukushelela, ukushwiba noma ukunyakaza okujikelezayo, ukuze kuguqulwe usayizi wendawo yokugeleza kwayo ukuze kuzuzwe umsebenzi wayo wokulawula.
I-valve yokulawula okuzenzakalelayo: ngesikhathi sokusebenza kwefekthri kusetshenziswa ukulawula okuzenzakalelayo, epayipini lidlala indima yokumelana okuguquguqukayo, lungisa ingcindezi ephakathi, ukugeleza, izinga lokushisa kanye neminye imingcele, iyisici sokugcina sokulawula ku-loop yenqubo.
Izinhlobo ze-valve yokulawula i-Taichen zethulwa ngokuningiliziwe:
Ngokusetshenziswa kanye nomsebenzi, imingcele eyinhloko, ingcindezi, izinga lokushisa eliphakathi nendawo, inhloso ekhethekile (okungukuthi ekhethekile, i-valve), amandla okushayela, ukwakheka nezinye izindlela zihlukaniswa, ukuhlukaniswa okuvame ukusetshenziswa kuhlukaniswe izigaba eziyisishiyagalolunye ngokusho kwesakhiwo i-valve elawulayo, 6 ye-stroke eqondile, 3 ye-Angle stroke.
Ukuhlukaniswa kokusetshenziswa kwe-valve elawulayo nemisebenzi
(1), i-valve yendawo emibili: ikakhulukazi esetshenziselwa ukuvala noma ukuxhuma i-medium;
(2), i-valve yokulawula: ikakhulukazi esetshenziselwa ukulawula uhlelo. Lapho ukhetha i-valve, izici zokugeleza ze-valve yokulawula zidinga ukunqunywa;
(3), i-shunt valve: isetshenziselwa ukusabalalisa noma ukuxuba imidiya;
(4), i-valve enqanyuliwe: ngokuvamile ibhekisela ekuvuzeni kwezinga elingaphansi kwezinkulungwane eziyikhulu.
Ukuhlukaniswa kwemingcele ye-valve elawulayo
1. Ukuhlukaniswa ngengcindezi
(1) I-vacuum valve: ingcindezi yokusebenza iphansi kunomfutho womoya ojwayelekile;
(2), i-valve yokucindezela okuphansi: ingcindezi yokuzisholo PN≤1.6MPa;
(3), i-valve yokucindezela okuphakathi: PN2.5 ~ 6.4MPa;
(4), i-valve ephezulu yokucindezela: PNl0.0 ~ 80.OMpa, ngokuvamile i-PN22, i-PN32;
(5), i-valve yokucindezela okuphezulu kakhulu: PN≥IOOMpa.
2, ngokusho kwesigaba sokushisa esiphakathi sokusebenza
(1), i-valve yokushisa ephezulu: t > 450℃;
(2), i-valve yokushisa ephakathi: 220℃≤t≤450℃;
(3), i-valve yokushisa evamile: -40℃≤t≤220℃; ④ I-valve yokushisa ephansi: -200℃≤t≤-40℃.
Izigaba ezijwayelekile zama-valve okulawula:
Le ndlela yokuhlukanisa ihlukaniswe ngokuvumelana nesimiso, umsebenzi kanye nesakhiwo, okwamanje iyindlela yokwehlukanisa uhulumeni wasekhaya nowamazwe ngamazwe evame ukusetshenziswa. Ngokuvamile ihlukaniswe ngezigaba eziyisishiyagalolunye ezibanzi:
I-valve yokulawula umoya we-stroke eqondile
(1), ivalvu elawula isihlalo esisodwa;
(2), ivalvu elawula izihlalo ezimbili;
(3) i-valve yokulawula imikhono;
(4), i-angular valve elawulayo;
(5) i-valve yokulawula yezindlela ezintathu;
(6) i-valve ye-diaphragm;
(7), ivalve uvemvane;
(8) I-valve yebhola;
(9) i-valve ejikelezayo eyi-eccentric. Eyokuqala eyisithupha imivimbo eqondile kanti emithathu yokugcina imivimbo engama-angular.
Le mikhiqizo eyisishiyagalolunye futhi iyimikhiqizo eyisisekelo, eyaziwa nangokuthi imikhiqizo ejwayelekile, imikhiqizo eyisisekelo noma imikhiqizo ejwayelekile. Izinhlobonhlobo zemikhiqizo ekhethekile, imikhiqizo emisha isekelwe kule mikhiqizo eyisishiyagalolunye ukuthuthukisa okuhlukile.
I-valve elawula ukusetshenziswa okukhethekile ukuhlukanisa (okukhethekile, i-valve)
(1) Ivalvu yokusika uphawu ethambile;
(2), vala ivalvu eqinile;
(3) ivalvu elawula ukuguga;
(4) ivalvu yokulawula ukumelana nokugqwala;
(5) ivalvu elawulayo egcwele ukumelana ne-tetrafluoroid
(6), i-valve elawula ingxubevange engagqwali egcwele;
(7) isinyathelo esiphuthumayo sokunqamula noma ukukhipha ivalvu;
(8) i-valve yokulawula evimbelayo;
(9), ukumelana nokugqwala kanye nokuvimba i-valve;
(10) Ivalvu yejakhethi eshisayo;
(11) i-valve yokunqamula umfutho omkhulu;
(12), i-valve encane yokulawula ukugeleza;
(13), i-valve yokulawula ubukhulu obukhulu;
(14), i-valve enkulu yokulawula isilinganiso eshintshwayo;
(15), i-valve elawula ukonga amandla engu-S ephansi;
(16), i-valve yomsindo ophansi;
(17) ivalvu encane yokulawula
(18), ulwelwesi (irabha, i-PTFE, i-ceramic) i-valve yokulawula;
(19) I-valve yebhola yokuhlanza amanzi;
(20) i-valve ye-caustic soda;
(21), i-ammonium phosphate valve;
(22) i-valve elawula igesi ye-chlorine;
(23), i-valve yophawu...
Ukuhlukaniswa kwamandla okulawula i-valve drive:
(1), i-valve yokulawula umoya;
(2), i-valve yokulawula kagesi;
(3), i-hydraulic control valve.
(4) Ivalvu ezilawulayo ezizisekelayo
Isikhathi sokuthumela: Nov-25-2022
