Ulwazi lweValve:ivelufa yokulawula umoyaumgaqo wokusebenza oneenkcukacha ze-Siemens inkqubo yofakelo lwevalvu yombane kunye namanyathelo okhuseleko
Ivalve yokulawula ipneumatic ikwabizwa ngokuba yivalve yokulawula uxinzelelo, eyithiyori yolawulo oluzenzekelayo ukukhetha ukusebenza okuguquguqukayo ukutshintsha isixhobo sokuqukuqela sisonke. Ivalve yokulawula umoya yi-actuator kunye necandelo lomzimba wevalve ye-actuator ukukhuthaza indima, kunye necandelo lomzimba wevalvu ukulungelelanisa umphumo wevalve. Ivalve yokulawula umoya luhlobo loxinzelelo lwe-actuator. I actuator yidashboard etshintsha iinguqu zolawulo ngoko nangoko kwaye licandelo lesixhobo setheminali. Ukongeza kwi-valve yokulawula, i-actuator iquka impompo ye-pneumatic, i-manipulator yokusingatha, i-relay, ipompo yokulawula isantya sombane kunye nezinye izinto.
Ivalve yokulawula ipneumatic ikwabizwa ngokuba yivalve yokulawula uxinzelelo, eyithiyori yolawulo oluzenzekelayo ukukhetha ukusebenza okuguquguqukayo ukutshintsha isixhobo sokuqukuqela sisonke. Ivalve yokulawula umoya yi-actuator kunye necandelo lomzimba wevalve ye-actuator ukukhuthaza indima, kunye necandelo lomzimba wevalvu ukulungelelanisa umphumo wevalve. Ivalve yokulawula umoya luhlobo loxinzelelo lwe-actuator. I actuator yidashboard etshintsha iinguqu zolawulo ngoko nangoko kwaye licandelo lesixhobo setheminali. Ukongeza kwi-valve yokulawula, i-actuator iquka impompo ye-pneumatic, i-manipulator yokusingatha, i-relay, ipompo yokulawula isantya sombane kunye nezinye izinto.
I-actuator kukuguqula ukukhanya kweflegi kwindawo ehambelanayo ukulungelelanisa iindawo zevalve okanye esinye isixhobo semeko yokuqhuba. Izibane zeflegi okanye ukuqhubela phambili kusenokuba yi-pneumatic, yombane, iivalvu ezisebenza ngoxinzelelo lwehydraulic okanye nayiphi na indibaniselwano yezi zintathu. Icandelo lomzimba weValve yinxalenye yohlengahlengiso lwevalve yokulawula umoya, ixhala ngeqokobhe levalvu, isihlalo, isiseko sevalve, ivalve yesango loxinzelelo oluphezulu, isikhonkwane se-screw kunye nezitywina zehydraulic. Banxibelelana ne-medium, eqhutywa yi-actuator, itshintshe indawo epheleleyo yokujikeleza kwempahla phakathi kwe-valve core kunye ne-valve yesango loxinzelelo oluphezulu, ukuze kuphunyezwe umphumo wokulawula i-valve.
Ivalve yokulawula ipneumatic ithatha i-multi-torsion spring pneumatic film actuator, isihlalo esinye esilawulayo ukukhetha umzimba wevalve yecandelo lomnqamlezo iskimu sokuyila isitishi sokuqukuqela okumilise okwe-S, ukhetho olungundoqo lwevalvu yesakhiwo esijolise phezulu, esinobungakanani obuncinci, ubunzima obulula, umthamo oqinileyo, omncinci. izibonelelo zokuvuza; Inkcazo ye-sleeve, i-valve yokulawula ukuhlala kabini ithatha isakhiwo sokulawula uxinzelelo, esinenzuzo yokuvumela uxinzelelo oluphantsi, ukusebenza okuzinzileyo kunye nengxolo ephantsi.
Ngokwemeko yokwahlukana koxinzelelo oluvumelekileyo, iimpawu eziphakathi kunye nemigaqo yenkqubo yombhobho, isihlalo esisodwa, isihlalo esiphindwe kabini, inkcazo ye-sleeve, i-Angle, i-diaphragm, iivalve zokulawula iindlela ezintathu zingakhethwa;
Ngokomgangatho wenkqubo, i-coefficient yokuhamba ingakhethwa umgca ohambelanayo, ipesenti elinganayo, ukuvulwa ngokukhawuleza;
Inokukhethwa ngokoxinzelelo olusebenzayo, i-diameter ye-PN1.6 MPa, i-PN4.0 MPa, i-PN6.4 ye-MPa elawula i-valve;
Ngokweemfuno zokumelana nomhlwa ophakathi kunye noxinzelelo loyilo, unokukhetha intsimbi yehagu, intsimbi yokuphosa, ipleyiti yensimbi engenasici, intsimbi yekhabhoni, intsimbi yokulawula izinto ezahlukeneyo;
Ngokutsho iqondo lobushushu okusingqongileyo eliphakathi kunye nezibonelelo zayo ezikhethekileyo, ungakhetha uhlobo olusisiseko, okuqhubekayo ubushushu obuphezulu uhlobo ukususwa ubushushu, uhlobo lobushushu ultra-low, collet ubushushu inja yokulawula uhlobo valvu;
Ngokokuvuza kwemithombo yeendaba kunye nezinto zayo zokhuseleko, unokukhetha ivalve yesango elitywiniweyo, isitywina esithambileyo, isitywina se-bellows kunye nezinye iivalve ezilawulayo; Inqanaba lokuvuza kwesilawuli sevalvu yesango eliqinileyo liphezulu kunenqanaba le-IV; Ivalve elawula itywina ethambileyo inokuqinisekisa ukuba akukho kuvuza;
Ngokutsho kwevalve ye-pneumatic kunye nemeko yenkqubo yokulawula inokukhetha uluhlu lokukhanya kweflegi kuquka i-20 ~ 100Kpa, 40 ~ 200Kpa, 4 ~ 20mA.DC, 0 ~ 10mA.DC;
Ngokwemigaqo yokusebenza kwenkqubo, inokuxhotyiswa ngezi zincedisi zilandelayo: umbutho ophambili we-shaft, i-valve positioner, i-gas filter pressure reducer, i-electric-gas converter, i-valve position transmitter, i-relay, i-valve yokugcina indawo, njl.
Ufakelo lwaso sonke isixhobo sokuvelisa kwimizi-mveliso kunye nezixhobo kubi kakhulu, singasathethi ke ngovakalelo oluphezulu kakhulu lomgaqo wevalvu elawula umoya? Ngaba ukufakela kufuneka kuqhutywe ngokweenkcukacha kolu cwangciso lokuthengisa isihloko senqaku, ukwenzela ukuba kuqinisekiswe ukufakela okufanelekileyo? Kutheni unikela ingqalelo kwindlela yokufakela umgaqo wevalve yokulawula i-pneumatic, ixhala kuba akukho fakelo oluchanekileyo, kunzima ukuqinisekisa ukuba ukusetyenziswa okulandelayo kunokuba lula, kukho iimpazamo ezininzi eziqhelekileyo, kwaye emva koko kuchaphazela ukusetyenziswa ixesha levalvu yokulawula ipneumatic.
Iqulathe imibhobho yokudibanisa ehambelanayo:
Kufakelo lwevalve yokulawula umoya kufuneka ibe nombhobho, kwaye ubude bombhobho bube ngaphezu kobubanzi obuphindwe kalishumi, ukuze kuqinisekiswe ukuba ulwelo ngevalve yolawulo lwe-pneumatic aluyi kuba ngenxa yecandelo lombhobho kwaye lonakalise iyonke. ukuhamba kwesihloko senqaku.
Sebenzisa uqhagamshelo lombhobho wokunciphisa i-eccentric:
Usetyenziso lwale ndlela ludityaniswe nexhala kuba iinkcukacha zomlawuli zahlukile, kufuneka zilunge kakhulu xa kusenziwa ufakelo lwesihloko senqaku, emva kwayo yonke loo nto, ulwelo olubonisa utolo kumzimba wevalvu lunokuhambelana nolwelo. indawo yokusebenza, ukuze kuqinisekiswe ukusetyenziswa komgaqo wevalve elawula umoya we-pneumatic awuyi kwenzeka xa isihloko senqaku.
Ukuseta umbhobho wokugqitha:
Ekufakeni i-valve yokulawula i-pneumatic, ukuze ukwazi ukusebenza ngokulula, kuyimfuneko ukusebenzisa indlela yokulawula ngesandla, kwaye kufuneka ilungiselelwe ukuguqulwa kwangaphambili, ukwenzela ukuba kuqinisekiswe ukuba kwimeko yomatshini, Umgaqo wevalve yolawulo lwe-pneumatic ukuvavanya ukwakhiwa kweendleko zewebhusayithi, ukuba udibana nesihloko senqaku kwakhona kukulungele ukugcinwa kwayo.
Kwikhonkco lemveliso yemihla ngemihla, ukugcinwa kwevalve yolawulo lwe-pneumatic kukhawulelwe kwi-valve yokulungisa ingxaki, kuncinci kakhulu ukuphumeza ukulinganisa ixesha kunye nokufunyanwa kwangexesha, kuqinisekiso lwe-metrological yenkampani kunye nolawulo lweenkcukacha zobugcisa kulo mba alukho ulawulo olungqongqo, enyanisweni. , impazamo yevalve eqhelekileyo ukusuka kwinani lezinto zokuqokelela, ukuqokelela ukuya kumlinganiselo othile kuya kwenza impazamo eqhelekileyo, ngoko ke, Ngaphambi kokungaphumeleli okuqhelekileyo kwevalve, le nto iyasuswa kwi-bud, kungekhona ukwandisa ubomi benkonzo yevalve. ivalve, kodwa kunye nokuphepha ingozi ebangelwa ukusilela okuqhelekileyo kwevalve.
I-Siemens inkqubo yombane yokulawula ivalve indlela yokufaka ivalve kunye nezilumkiso I-Siemens inkqubo yokulawula ivalve yombane phambi kofakelo lokucoca umbhobho, ukususa ubumdaka kunye nesiva sokuwelda. Emva kokufakwa, ukwenzela ukuba kuqinisekiswe ukuba i-residu ayiqhotyoshelwanga kumzimba wevalve, kufuneka ihlambuluke kwakhona kwi-valve yesango, oko kukuthi, ukwenza yonke i-valve yesango ivuleke xa ingena kwi-medium, ukukhusela i-residu ibambelele. Emva kokusebenzisa umbutho we-spindle, indawo yokuqala yokungathathi hlangothi kufuneka ibuyiselwe kwindawo eqhelekileyo. Ivalve ye-Siemens yolawulo lwenkqubo yesixhobo sentsimi, ubushushu bokusebenza kufuneka bube kuluhlu lwe -25 ~ 60℃, ukufuma komoya ≤95%. Ukuba umlawuli ufakwe kwindawo yangaphandle okanye eqhubekayo yokushisa okuphezulu, ubungqina bomswakama, amanyathelo okunciphisa ubushushu kufuneka athathwe. Kwindawo yomthombo wenyikima ukunqanda incopho yehlabathi kunye nokwandisa amanyathelo okulwa nenyikima.
I-Siemens Systems Ivalve yokulawula yombane ngaphambi kokufaka ukusombulula umbhobho ucocekile, ususe ukungcola kunye ne-weld scars. Emva kokufakwa, ukwenzela ukuba kuqinisekiswe ukuba i-residu ayiqhotyoshelwanga kumzimba wevalve, kufuneka ihlambuluke kwakhona kwi-valve yesango, oko kukuthi, ukwenza yonke i-valve yesango ivuleke xa ingena kwi-medium, ukukhusela i-residu ibambelele. Emva kokusebenzisa umbutho we-spindle, indawo yokuqala yokungathathi hlangothi kufuneka ibuyiselwe ngokuqhelekileyo.
Ngokuqhelekileyo, kufuneka ifakwe ngokuthe nkqo, kwaye xa kuyimfuneko, inokuthambeka, njengokuba ukuthambekela kukhulu kakhulu okanye i-valve ngokwayo inkulu kakhulu kwinkqubo yokuphakamisa iindawo zokuxhasa i-valve.
Ufakelo lombhobho wevalve olawulayo akufuneki ukuba ube phezulu kakhulu ukusuka phantsi okanye emgangathweni weplanga, kumphakamo omalunga nesixhobo esingaphezulu kwe-2m kufuneka kusekwe kangangoko kunokwenzeka iqonga lenkonzo, elivumela ivili lomsebenzisi nelivumela ukuba isixhobo sisebenze. ukugcinwa.
Ukuze uvumele umlawuli kwimeko yokungaphumeleli okanye ukugcinwa ukwenzela ukuba inkqubo yokucubungula iqhube kakuhle, umlawuli kufuneka afake umbhobho wokudlula. Ukongezelela, ingqalelo kufuneka ihlawulwe ukuba ngaba ukufakwa kwe-valve yokulawula kuhlangabezana neemfuno zenkqubo yezobuchwepheshe.
Ukufakwa kwenxalenye yezixhobo zombane zevalve yokulawula ubushushu be-Siemens inkqubo iya kwenziwa ngokwemigangatho yokwakha yezixhobo zombane ezifanelekileyo. Ukuba iyimpahla yorhwebo engaqhushumbayo, kufuneka ifakwe ngokomgangatho woFakelo lweSixhobo soMbane kwiNdawo yoMngcipheko.
Ivalve ye-Siemens yolawulo lwenkqubo yesixhobo sentsimi, ubushushu bokusebenza kufuneka bube kuluhlu lwe -25 ~ 60℃, ukufuma komoya ≤95%. Ukuba umlawuli ufakwe kwindawo yangaphandle okanye eqhubekayo yokushisa okuphezulu, ubungqina bomswakama, amanyathelo okunciphisa ubushushu kufuneka athathwe. Kwindawo yomthombo wenyikima ukunqanda incopho yehlabathi kunye nokwandisa amanyathelo okulwa nenyikima.
Ixesha lokuposa: Apr-25-2023
