Ulwazi lwe-valve:i-valve yokulawula umoyaisimiso sokusebenza sinemininingwane yokufakwa kwe-valve yokulawula kagesi ye-Siemens kanye nezindlela zokuphepha
I-pneumatic regulating valve yaziwa nangokuthi i-pressure regulating valve, okuyithiyori yokulawula okuzenzakalelayo yokukhetha ukusebenza okuguquguqukayo ukuze kushintshwe idivayisi ephelele yokugeleza. I-valve yokulawula umoya nge-actuator kanye nengxenye yomzimba we-valve ye-actuator ukukhuthaza indima, kanye nengxenye yomzimba we-valve ukulungisa umphumela we-valve. I-valve yokulawula umoya iwuhlobo lwe-actuator tension. I-actuator iyideshibhodi eshintsha okuguquguqukayo kokulawula ngokushesha futhi iyingxenye yedivayisi yetheminali. Ngaphezu kwe-valve yokulawula, i-actuator ihlanganisa nepompo ye-pneumatic, i-manipulator yokubamba, i-relay, iphampu elawula isivinini sikagesi nezinye izinto.
I-pneumatic regulating valve yaziwa nangokuthi i-pressure regulating valve, okuyithiyori yokulawula okuzenzakalelayo yokukhetha ukusebenza okuguquguqukayo ukuze kushintshwe idivayisi ephelele yokugeleza. I-valve yokulawula umoya nge-actuator kanye nengxenye yomzimba we-valve ye-actuator ukukhuthaza indima, kanye nengxenye yomzimba we-valve ukulungisa umphumela we-valve. I-valve yokulawula umoya iwuhlobo lwe-actuator tension. I-actuator iyideshibhodi eshintsha okuguquguqukayo kokulawula ngokushesha futhi iyingxenye yedivayisi yetheminali. Ngaphezu kwe-valve yokulawula, i-actuator ihlanganisa nepompo ye-pneumatic, i-manipulator yokubamba, i-relay, iphampu elawula isivinini sikagesi nezinye izinto.
I-actuator iwukusebenzisa isibani sefulegi endaweni ehambisanayo ukuze silungise izingxenye zevalvu noma enye idivayisi yesimo sokushayela. Izibani zefulegi noma ukunyakaza kungase kube amavalvu omoya, kagesi, asebenza ngamanzi noma iyiphi inhlanganisela yalokhu kokuthathu. Ingxenye yomzimba we-valve iyingxenye yokulungiswa kwe-valve yokulawula umoya, ukukhathazeka ngegobolondo le-valve, isihlalo, i-valve core, i-valve yesango lomfutho ophezulu, i-screw cap kanye nezimpawu ze-hydraulic. Bathintana ne-medium, eqhutshwa yi-actuator, bashintsha indawo ephelele yokujikeleza kwempahla phakathi kwe-valve core kanye ne-valve yesango lokucindezela okukhulu, ukuze kuzuzwe umphumela wokulawula i-valve.
I-valve yokulawula umoya ithatha i-multi-torsion spring pneumatic film actuator, isihlalo esisodwa esilawula ukukhethwa komzimba kwe-valve yesigaba esiphambanayo sohlelo lokuklama isiteshi sokugeleza esimise okuka-S, ukukhethwa okuyinhloko kwe-valve yesakhiwo esibheke phezulu, esinosayizi omncane, isisindo esilula, umthamo wokugeleza oqinile, omncane. izinzuzo zokuvuza; Ukucaciswa kwemikhono, i-valve yokulawula ukuhlala kabili ithatha isakhiwo sokulawula ingcindezi, enezinzuzo zokuvumela ukucindezela okuphansi, ukusebenza okuzinzile nomsindo ophansi.
Ngokwesimo esivumelekile somehluko wengcindezi, izici eziphakathi nendawo kanye nemithethonqubo yamapayipi, isihlalo esisodwa, isihlalo esiphindwe kabili, ukucaciswa kwemikhono, i-Angle, i-diaphragm, ama-valve alawula izindlela ezintathu angakhethwa;
Ngokwezinga lenqubo, i-coefficient yokugeleza ingakhethwa umugqa ofanayo, amaphesenti alinganayo, ukuvulwa okusheshayo;
Ingakhethwa ngokuvumelana nengcindezi yokusebenza, ububanzi obuncane be-PN1.6 MPa, PN4.0 MPa, PN6.4 MPa valvu elawulayo;
Ngokusho kwezidingo zokumelana nokugqwala okuphakathi kanye nengcindezi yokuklama, ingakhetha insimbi yengulube, insimbi ephonsiwe, ipuleti lensimbi engagqwali, insimbi ye-carbon steel, isilawuli sensimbi esine-calcined sezinto ezahlukahlukene;
Ngokusho kokushisa kwemvelo okuphakathi kanye nezinhlinzeko zayo ezikhethekile, ungakhetha uhlobo oluyisisekelo, uhlobo oluqhubekayo lokushisa lokushisa lokushisa eliphezulu, uhlobo lokushisa oluphansi kakhulu, uhlobo lwe-valve yokulawula ukushisa kwe-collet;
Ngokusho kokuvuza kwabezindaba kanye nezici zayo zokuphepha, ungakhetha i-valve yesango eliqinile, uphawu oluthambile, i-bellows seal namanye ama-valve alawulayo; Izinga lethu lokuvuza kwesilawuli se-valve yesango eliqinile lingaphezu kwezinga le-IV; I-valve yokulawula uphawu oluthambile ingaqinisekisa ukuthi akukho ukuvuza;
Ngokusho kwevalvu yomoya kanye nesimo sesistimu yayo yokulawula ingakhetha ububanzi bokukhanya kwefulegi okuhlanganisa 20 ~ 100Kpa, 40 ~ 200Kpa, 4 ~ 20mA.DC, 0 ~ 10mA.DC;
Ngokwemithethonqubo yokusebenza kwenqubo, ingahlonyiswa ngalezi zinsiza ezilandelayo: inhlangano enkulu ye-shaft, i-valve positioner, i-gas filter pressure reducer, i-electric-gas converter, i-valve position transmitter, i-relay, i-valve yokugcina indawo, njll.
Ukufakwa kwawo wonke amathuluzi okukhiqiza ezimbonini kanye nemishini kubucayi kakhulu, ingasaphathwa eyokuzwela okuphezulu kakhulu kwesimiso se-valve elawula umoya womoya? Ingabe ukufakwa kufanele kwenziwe ngokuningiliziwe kulokhu kuhlelwa kokumaketha kwesihloko, ukuze kuqinisekiswe ukufakwa okufanele? Kungani unaka indlela yokufaka i-pneumatic regulating valve principle, ukukhathazeka kungenxa yokuthi akukho ukufakwa okulungile, kunzima ukuqinisekisa ukuthi ekusetshenzisweni okulandelayo kungaba bushelelezi, kunamaphutha amaningi avamile, bese kuthinta ukusetshenziswa isikhathi se-valve yokulawula umoya we-pneumatic.
Iqukethe amapayipi ahambisanayo axhumayo:
Lapho kufakwa i-valve yokulawula umoya kufanele ibe nepayipi, futhi ubude bombobo kufanele budlule ububanzi izikhathi eziyishumi, ukuze kuqinisekiswe ukuthi uketshezi oludlula ku-valve yokulawula umoya ngeke lube ngenxa yengxenye yepayipi futhi kulimaze ingqikithi. ukugeleza kwesihloko se-athikili.
Sebenzisa uxhumano lwepayipi lokunciphisa i-eccentric:
Ukusetshenziswa kwale ndlela kuxhumene nokukhathazeka ngoba imininingwane yesilawuli ihlukile, kufanele ilunge kakhulu lapho kufakwa lesi sihloko sesihloko, phela uketshezi olukhombisa umcibisholo emzimbeni we-valve lungase luhambisane noketshezi. indawo yokusebenza, ukuze kuqinisekiswe ukusetshenziswa kwesimiso se-valve elawula umoya womoya ngeke kwenzeke lapho isihloko se-athikili.
Ukusetha ipayipi lokudlula:
Ekufakweni kwe-valve yokulawula umoya, ukuze ukwazi ukusebenza okulula okusebenzayo, kuyadingeka ukusebenzisa indlela yokulawula ngesandla, futhi kufanele kulungiselelwe ukuguqulwa kusengaphambili, ukuze kuqinisekiswe ukuthi esimweni somshini, Isimiso se-valve yokulawula umoya wokuhlola ukwakhiwa kwezindleko zewebhusayithi, uma uhlangabezana nesihloko se-athikili sikulungele nokugcinwa kwayo.
Kusixhumanisi sokukhiqiza sansuku zonke, ukugcinwa kwe-valve yokulawula umoya kukhawulelwe ekuxazululeni inkinga ye-valve, kuncane kakhulu okumele kwenziwe ngesikhathi sokulinganisa isikhathi nokutholwa ngesikhathi, ekuqinisekisweni kwe-metrological yenkampani kanye nokulawula imininingwane yezobuchwepheshe yalolu daba akukona ukuphathwa okuqinile, empeleni. , iphutha elivamile le-valve kusuka kunombolo yezakhi zokuqoqwa, ukuqoqwa ngezinga elithile kuzokwakha iphutha elivamile, ngakho-ke, Ngaphambi kokuhluleka okuvamile kwe-valve, lesi sici sisuswa ku-bud, hhayi ukwandisa impilo yesevisi ye-valve. i-valve, kodwa futhi nokugwema ukulimala okubangelwa ukwehluleka okuvamile kwe-valve.
Indlela yokufaka ivalvu elawula ugesi ye-Siemens kanye nezixwayiso ze-Siemens system valve elawula ugesi ngaphambi kokufakwa ukuze kuhlanzeke ipayipi, kukhishwe ukungcola nesibazi sokushisela. Ngemuva kokufakwa, ukuze kuqinisekiswe ukuthi okusele akunamathiselwe emzimbeni we-valve, kufanele futhi kuhlanzwe ku-valve yesango futhi, okungukuthi, ukwenza yonke i-valve yesango ivuleke lapho ingena phakathi, ukuvimbela insalela ukubanjwa. Ngemuva kokusebenzisa inhlangano ye-spindle, isikhundla sokuqala sokungathathi hlangothi kufanele sibuyiselwe esimweni esivamile. I-valve yokulawula isistimu ye-Siemens ingeyensimbi yasensimini, izinga lokushisa elisebenzayo kufanele libe ku--25 ~ 60℃, umswakama womoya ≤95%. Uma isilawuli sifakwe ezindaweni ezingaphandle noma eziqhubekayo zokushisa, kufanele kuthathwe izinyathelo zokunciphisa umswakama, zokunciphisa izinga lokushisa. Endaweni yomthombo wokuzamazama komhlaba ukugwema ukuphakama komhlaba futhi ukwandise izinyathelo zokulwa nokuzamazama komhlaba.
I-Siemens Systems Ivalvu yokulawula kagesi ngaphambi kokufakwa ukuze kuxazululwe ipayipi lihlanzeke, lisuse ukungcola nezibazi zokushisela. Ngemuva kokufakwa, ukuze kuqinisekiswe ukuthi okusele akunamathiselwe emzimbeni we-valve, kufanele futhi kuhlanzwe ku-valve yesango futhi, okungukuthi, ukwenza yonke i-valve yesango ivuleke lapho ingena phakathi, ukuvimbela insalela ukubanjwa. Ngemuva kokusebenzisa inhlangano ye-spindle, isikhundla sokuqala sokungathathi hlangothi kufanele sibuyiselwe esimweni esivamile.
Ngokuvamile, kufanele ifakwe ngokuqondile, futhi uma kunesidingo, ingagxilwa, njengokuthambekela kukhulu kakhulu noma i-valve ngokwayo inkulu kakhulu ekuphakamiseni ukugcinwa kwezingxenye zokusekela i-valve.
Ukufakwa kwepayipi le-valve elilawulayo ngokuvamile akudingekile ukuba kube phezulu kakhulu ukusuka phansi noma phansi ngokhuni, uma kuqhathaniswa nobude bemishini engaphezu kuka-2m kufanele kubekwe kude ngendlela engenzeka isiteji sesevisi, esivumelana nesondo lomqhubi futhi esivumela ukuthi ukugcinwa.
Ukuze uvumele umlawuli esimweni sokwehluleka noma ukulungiswa ukuze inqubo yokucubungula iqhubeke kahle, umlawuli udinga ukwengeza ipayipi lokudlula. Ngaphezu kwalokho, kufanele kuqashelwe ukuthi ukufakwa kwe-valve elawulayo kuhlangabezana nezidingo zenqubo yezobuchwepheshe.
Ukufakwa kwengxenye yezinto zikagesi zevalvu elawula izinga lokushisa yesistimu ye-Siemens kuzokwenziwa ngokuvumelana namazinga okwakhiwa kwempahla kagesi efanele. Uma kuyimpahla engaqhumi, kufanele ifakwe ngokwezinga Lokufakwa Kwezisetshenziswa zikagesi endaweni eyingcuphe.
I-valve yokulawula isistimu ye-Siemens ingeyensimbi yasensimini, izinga lokushisa elisebenzayo kufanele libe ku--25 ~ 60℃, umswakama womoya ≤95%. Uma isilawuli sifakwe ezindaweni ezingaphandle noma eziqhubekayo zokushisa, kufanele kuthathwe izinyathelo zokunciphisa umswakama, zokunciphisa izinga lokushisa. Endaweni yomthombo wokuzamazama komhlaba ukugwema ukuphakama komhlaba futhi ukwandise izinyathelo zokulwa nokuzamazama komhlaba.
Isikhathi sokuthumela: Apr-25-2023
