Ivalve yokulawula izincedisi eziphambili - ivalve positioner elawula ulwahlulo oluneenkcukacha

Ivalve yokulawula izincedisi eziphambili - ivalve yendawo elawula ivalve eneenkcukacha zokuhlelwa kweValve indawo yeyona nto iphambili yevalve yokulawula, kunye nevalve yokulawula umoya, yamkela umqondiso wemveliso yomlawuli, kwaye emva koko ngesiginali yemveliso yokulawula ivalve yokulawula umoya, xa intshukumo yevalvu, ukushenxiswa kwesikhondo sevalvu kunye nangesixhobo somatshini ingxelo kwisimo sevalvu, indawo yevalvu ngomqondiso wombane ukuya kwisixokelelwano esiphezulu. Isibonisi sevalvu ngokobume baso kunye nomthetho-siseko wokusebenza unokohlulwa ngokwendawo yokubeka ivalve yomoya, indawo yokubeka ivalve yombane kunye nevalve yendawo ekrelekrele. I-valve positioner inokunyusa amandla okuphuma kwevalve elawulayo, inciphise i-lag yokuhanjiswa kwesiginali elawulayo, ikhawulezise isantya sokushukuma kwesiqu, inokuphucula umgca wevalve, yoyise ukungqubana kwesiqu kunye nokuphelisa impembelelo engalungelelananga. amandla, ukwenzela ukuba kuqinisekiswe indawo echanekileyo yevalve elawulayo. I-actuator yahlulwe kwi-actuator ye-pneumatic kunye ne-actuator yombane, kunye ne-stroke ethe ngqo kunye ne-Angle stroke. Isetyenziselwa ukuvula ngokuzenzekelayo kwaye ngesandla ukuvula nokuvala zonke iintlobo zeengcango, iipaneli zomoya, njl njl. I-valve positioner esetyenziswayo, ngokuqhelekileyo kufuneka ihambelane nomlawuli, yenye yezinto eziphambili zomlawuli, inokufumana imveliso yomqondiso womlawuli, kwaye emva koko ulawule umlawuli, ukuhanjiswa kombane wokugqibela kwinkqubo ephezulu, apha yazisa isilawuli sevalvu ekusebenziseni imiba efuna ingqalelo. 1. Kwezinye iinkqubo ezibalulekileyo zokulawula, ezixhasa ukusetyenziswa kwemigangatho ephezulu yokulawula i-valve, inokuphucula ngokufanelekileyo ukubekwa kwe-valve kunye nokuthembeka. 2. Ngamanye amaxesha umehluko woxinzelelo phakathi kweziphelo ezimbini zevalve ukhulu kakhulu. Ukuze uncede i-valve core yoyise amandla angalinganiyo, ixabiso loxinzelelo lomthombo womoya linganyuswa ukunciphisa impazamo. 3. Xa isetyenziswe kwezinye iindawo ezineepropathi ezinobungozi, iya kuzaliswa ngezinto ezizalisekileyo kakhulu zokuthintela ukuvuza kwe-medium ehlengahlengisiweyo, njengolwelo okanye igesi enobushushu obuphezulu, obunobuthi, obunokutsha, ubushushu obuphantsi kunye nezinye iimpawu. Le ndlela yokwandisa ingxabano ngaphakathi kwesixhobo, kwaye ukusetyenziswa kwe-valve positioner yindlela efanelekileyo yokusombulula ezi ngxaki. 4. Omnye ophakathi kunye neengqungquthela ezithile okanye i-viscosity iya kuzisa ukuchasana okukhulu kwisiqu sevalve elawulayo. Ukusetyenziswa kwevalve positioner kunokunceda isikhondo soyise ukuxhathisa okukhulu. 5. Xa umgama phakathi kwe-actuator kunye ne-regulator mkhulu, intshukumo yokutshintsha ivalve iya kucotha, kwaye i-valve positioner inokunciphisa kakuhle ixesha le-lag yesignali yokulawula. Izikhundla eziqhelekileyo zisebenza kumgaqo wokulinganisa amandla omatshini, oko kukuthi, iteknoloji ye-nozzle baffle. Iindidi eziphambili zeempazamo zezi zilandelayo: 1. Ngenxa yomgaqo wokulinganisa amandla omatshini, iindawo ezihambayo zingaphezulu, kulula ukuchatshazelwa ngubushushu kunye nokunyakaza, okubangelwa ukuguquguquka kwevalve yokulawula; 2. Ukusebenzisa ubuchwepheshe be-nozzle baffle, kuba umngxuma we-nozzle uncinci, kulula ukuvalelwa ngothuli okanye umthombo womoya ongcolileyo, ukwenzela ukuba i-locator ayikwazi ukusebenza ngokuqhelekileyo; 3. Ukusebenzisa umgaqo wokulinganisela kwamandla, i-coefficient ye-elastic entwasahlobo iya kutshintsha kwindawo enzima, okubangelwa i-valve yokulawula engabonakaliyo ekhokelela ekunciphiseni kokulawula i-1 imali. I-4 i-Intelligent Locator yi-microprocessor (CPU), i-A / D, i-D / A converter kunye namanye amacandelo, umgaqo wayo wokusebenza kunye ne-locator eqhelekileyo yahluke ngokupheleleyo, ixabiso elinikiweyo kunye nexabiso langempela lothelekiso luphawu olusulungekileyo lombane, akukho. ixesha elide ibhalansi amandla. Ke ngoko, inokoyisa ukungalungi kolungelelwaniso lwamandla lwendawo eqhelekileyo. Nangona kunjalo, xa isetyenziswe kwindawo yokupaka ngokukhawuleza, njenge-valve yokusika ngokukhawuleza, i-valve yokuphuma ngokukhawuleza, njl., ezi zivalo zifuna i-static kwindawo ethile, kuphela xa kukho imeko engxamisekileyo, kuyimfuneko ukwenza ngokuthembekileyo. Ukuba uhlala kwindawo ethile ixesha elide, kulula ukwenza isiguquli sombane singalawuleki kwaye sibangele ingozi yesignali encinci akukho senzo. Ukwengeza. Ngenxa yokuba i-potentiometer yokuva indawo esetyenziselwa i-valve isebenza ebaleni, ixabiso lokumelana kulula ukutshintsha okukhokelela kwingozi yomqondiso omncinci akukho ntshukumo kunye nomqondiso omkhulu ogcweleyo. Ke ngoko, ukuze kuqinisekiswe ukuthembeka kunye nokufumaneka kwee-smart locators, kufuneka zivavanywe rhoqo. Ukuhlelwa kunye nohlobo lweevalvu ezilawulayo: Ivalve elawulayo ikwabizwa ngokuba yivalve yolawulo, ivalve elinganayo, ivalve yokuqukuqela, ivalve yoxinzelelo, ivalve yokunciphisa uxinzelelo kunye nevalve ye-throttle ukuthetha ngokungqongqo ikwalawula ivelufa. Imarike ngokubanzi ayizange ibeke ezi ntlobo zimbini zokungeniswa kwiklasi yokulawula. Ivalve elawulayo yeTaichen ngokuqhelekileyo yahlulahlulwe yaba ivelufa yokulawula ipneumatic, ivelufa elawula umbane, ivalve elawula ngesandla, ivalve elawulayo ekwaziyo ukuzimela njalo njalo. Indlela yokusebenza yevalve yokulawula umoya iqhutywa sisixhobo somoya (esisebenzisa amandla erhasi) ukulawula nokuvula nokuvala ivalve. Olu hlobo lwevalve yokulawula yahlulwe yaba ivelufa yokulawula ifilimu yepneumatic, ifilimu yepneumatic indlela emithathu yokulawula ivalve, ivalve yokusika ifilimu yepneumatic, ivalve elawula isitulo esinesihlalo esinepneumatic, ivalve yokulawula izihlalo ezibini, ivalve yokusika ipiston yomoya, ivalve yebhola elawula umoya, Ivalve yebhabhathane elawula umoya njalo njalo. Ivalve yokulawula umbane iqhutywa yi-actuator yombane (amandla ombane) ukuvala, ukuvula nokulungelelanisa ivalve, olu hlobo lwevalve yokulawula yahlulwe yaba yivalve yokulawula isihlalo esinye sombane, ivalve yokulawula izihlalo ezibini, uhlobo lombane lokulawula ivalve, umbane. Ivalve yokulawula i-engile, ivalve yolawulo yendlela ezintathu yombane, umbane ngevalve elawula isitulo esinye, ivelufa elawula ibhabhathane yombane, ivalve yebhola elawula umbane njalo njalo. Ivalve yokulawula uxinzelelo oluzimeleyo kukusebenzisa amandla omendi ngokwawo ukuqhuba ukuvulwa kwevalve kunye nokuvala kunye nokulawula isiphumo, olu hlobo lwevalve yokulawula yahlulwe ibe yivalve yokulawula uxinzelelo oluzimeleyo, ivalve yokulawula iqondo lokuzimela ngokwayo, i-self-. ivalve elawula ukuqukuqela exhomekeke njalo njalo. Intshayelelo yolwahlulo lwevalvu elawulayo: Ivalve elawulayo idla ngokuqulunqwa ngamalungu amabini: i-actuator yombane okanye i-pneumatic actuator kunye nomzimba wevalvu. Uhambo oluthe ngqo luneentlobo ezimbini: uhlobo oluthe ngqo lwesihlalo esinye kunye nodidi oluthe ngqo lwezihlalo ezibini. Lo mva uneempawu zomthamo omkhulu wokuhamba, ukusebenza okuncinci okungalinganiyo kunye nokusebenza okuzinzile, ngoko ngokuqhelekileyo kukulungele ngokukhethekileyo ithuba lokuhamba okukhulu, ukuhla kwengcinezelo ephezulu kunye nokuvuza okuncinci. I-Angle stroke ikakhulu ibandakanya: Ivalve yebhola yombane yohlobo lwe-V, ivalve yebhabhathane yombane, ivalve yokulawula umoya, ivalve yebhabhathane eccentric njalo njalo. Ulwahlulo olukhulu lwevalve yokulawula: Ivalve yokulawula umbane sisixhobo esibalulekileyo seyunithi ekulawuleni inkqubo ye-industrial automation. Ngokunyuka kweqondo lokuzisebenzela kwindawo yoshishino, isetyenziswa ngakumbi nangakumbi kwiinkalo ezahlukeneyo zemveliso yemizi-mveliso. Xa kuthelekiswa nevalve yemveli yokulawula umoya ineengenelo ezicacileyo: ivalve yolawulo yombane yecandelo inako (kuphela kumsebenzi wokusebenzisa amandla ombane), ukhuseleko lokusingqongileyo (akukho kukhutshwa kwekhabhoni), ukufakwa ngokukhawuleza nokulungeleyo (ngaphandle kombhobho ontsonkothileyo wepneumatic kunye nendawo yokusebenzela impompo). Ivalve yokulawula iHydraulic yinxalenye yolawulo lwenkqubo yokuhanjiswa kolwelo lwemibhobho, isetyenziselwa ukutshintsha icandelo lomjelo kunye nesalathiso sokuhamba kwe-medium, kunye ne-diversion, cut-off, regulation, throttling, check, shunt or overflow pressure relief and eminye imisebenzi. Iivalvu zoluhlu lolawulo lolwelo ngokwahlukeneyo kunye nokucaciswa ukusuka kwiivalvu zeglowubhu ezilula ukuya kwiivalvu ezisetyenziswa kwiinkqubo ezintsonkothileyo zolawulo oluzenzekelayo. Ubungakanani obuqhelekileyo beevalvu buqala ukusuka kwiivalvu zesixhobo ezincinci ukuya kwiivalvu zemibhobho yoshishino ukuya kuthi ga kwi-10m ububanzi. I-Shanghai Taichenvalve ingasetyenziselwa ukulawula amanzi, umphunga, ioli, igesi, udaka, zonke iintlobo zemithombo yeendaba ezonakalisayo, isinyithi solwelo kunye nolwelo lwe-radioactive kunye nezinye iintlobo zokuhamba kwamanzi, uxinzelelo olusebenzayo lwevalve lunokuba lusuka kwi-0.0013MPa ukuya kwi-1000MPa yoxinzelelo lwe-ultra-high. , iqondo lobushushu elisebenzayo ukusuka -269℃ ukuya kwi-1430℃ ubushushu obuphezulu. Ukulawulwa kweValve kunokusebenzisa iindlela ezahlukeneyo zokuhambisa, ezifana ne-manual, umbane, i-hydraulic, i-pneumatic, i-worm gear, i-electromagnetic, i-electromagnetic - i-hydraulic, umbane - i-hydraulic, igesi - i-hydraulic, i-spur gear, i-bevel gear drive; Ngaphantsi kwesenzo soxinzelelo, ubushushu okanye ezinye iindlela zeempawu zokuva, ngokweemfuno ezichazwe kwangaphambili zesenzo, okanye ungathembeli kwisiginali yokuziva kunye nokuvula ngokulula okanye ukuvala, ivalve ixhomekeke kwidrive okanye kwisixhobo esizenzekelayo ukwenza ukuvulwa. kunye nokuvala iinxalenye zokuphakamisa, ukutyibilika, ukuguquka okanye ukunyakaza okujikelezayo, ukwenzela ukuba utshintshe ubungakanani bendawo yokuhamba kwayo ukufezekisa umsebenzi wayo wokulawula. I-valve yokulawula ngokuzenzekelayo: kwinkqubo yokusebenza kwefektri usebenzisa ulawulo oluzenzekelayo, kwipayipi idlala indima yokumelana okuguquguqukayo, ukulungelelanisa uxinzelelo oluphakathi, ukuhamba, ukushisa kunye nezinye iiparitha, yinto yokugqibela yokulawula kwi-loop yenkqubo. Iindidi zevalve yokulawula iTaichen ziziswa ngokweenkcukacha: Ngokusetyenziswa kunye nomsebenzi, iiparamitha eziphambili, uxinzelelo, ubushushu obuphakathi bokusebenza, injongo ekhethekileyo (okt ekhethekileyo, ivalve), amandla okuqhuba, ubume kunye nezinye iindlela zihlelwa, ezisetyenziswa ngokuqhelekileyo. ulwahlulo lwahlulahlulwe ngokweendidi ezisithoba ngokwesakhiwo sevalve elawulayo, i-6 ye-stroke eqondileyo, i-3 ye-Angle stroke. Ukuhlelwa kokusetyenziswa kwevalve yokulawula kunye nemisebenzi (1), ivalve yendawo emibini: isetyenziselwa ukuvala okanye ukudibanisa i-medium; (2), ivalve yokulawula: ikakhulu isetyenziselwa ukulawula inkqubo. Xa ukhetha i-valve, iimpawu zokuhamba zevalve yokulawula kufuneka zinqunywe; (3), i-shunt valve: isetyenziselwa ukusasaza okanye ukuxuba imidiya; (4), ivalve esikiweyo: idla ngokubhekisa kumyinge wokuvuza ongaphantsi kwekhulu lamawaka. Ukuhlelwa kweeparamitha zevalve ezilawulayo 1. Ukuhlelwa ngoxinzelelo (1) I-valve ye-vacuum: uxinzelelo olusebenzayo lungaphantsi koxinzelelo oluqhelekileyo lwe-atmospheric; (2), ivalve yoxinzelelo oluphantsi: uxinzelelo lwegama PN≤1.6MPa; (3), ivalve yoxinzelelo oluphakathi: PN2.5 ~ 6.4MPa; (4), ivalve ephezulu yoxinzelelo: PNl0.0 ~ 80.OMpa, ngokuqhelekileyo i-PN22, i-PN32; (5), ivalve yoxinzelelo oluphezulu: PN≥IOOMpa. 2, ngokohlelo oluphakathi lobushushu bokusebenza (1), ivalve yobushushu obuphezulu: t> 450℃; (2), ivalve yobushushu obuphakathi: 220℃≤t≤450℃; (3), ivalve yobushushu obuqhelekileyo: -40℃≤t≤220℃; ④ Ivalve yobushushu obuphantsi: -200℃≤t≤-40℃. Ukuhlelwa okuqhelekileyo kweevalvu ezilawulayo: Le ndlela yokuhlela yahlulwe ngokomgaqo, umsebenzi kunye nolwakhiwo, okwangoku ngurhulumente wasekhaya kunye namazwe ngamazwe asetyenziswa ngokuqhelekileyo indlela yokuhlela. Ngokuqhelekileyo yahlulahlulwe kwiindidi ezisithoba ezibanzi: Ivalve yokulawula i-pneumatic stroke (1), ivalve yokulawula isihlalo esinye; (2), ivelufa elawula izihlalo ezibini; (3) isivalo sokulawula imikhono; (4), ivelufa elawula i-angular; (5) ivelufa yokulawula iindlela ezintathu; (6) ivalve ye-diaphragm; (7), ivalve yebhabhathane; (8) Ivalve yebhola; (9) ivalve ejikelezayo ye-eccentric. Eyokuqala emithandathu zistrowumbo ezithe ngqo kwaye ezithathu zokugqibela zizistrowumbo ze-angular. Ezi mveliso zilithoba zikwazimveliso ezisisiseko, ezikwaziwa ngokuba ziimveliso zamayeza enziwe afana nalawo aveliswe ngabenzi, iimveliso ezisisiseko okanye iimveliso eziqhelekileyo. Iintlobo ezahlukeneyo zeemveliso ezikhethekileyo, iimveliso ezintsha zisekelwe kwezi mveliso ezilithoba ukuphucula ukwahluka. Ivalve yokulawula ukuba isetyenziswe ngokukhethekileyo ukwahlulahlula (okhethekileyo, ivelufa) (1) Ivalve ethambileyo esikiweyo; (2), isivalo esiqinileyo sokuvala; (3) ivelufa yokulawula ukuguga; (4) ivelufa yokulawula umhlwa; (5) ivelufa elawulayo ekwaziyo ukumelana ne-tetrafluoroid (6), ivelufa yokulawula i-alloy ekwaziyo ukumelana nokudleka; (7) inyathelo likaxakeka lokunqumla okanye ukukhupha isivalo; (8) ivelufa yokulawula; (9), ukuxhathisa umhlwa kunye nokuvala ivalve; (10) Ivalve yebhatyi yokugquma iThermal; (11) ivelufa yokuyeka ukuwisa uxinzelelo olukhulu; (12), ivelufa encinci yokulawula ukuhamba; (13), ivelufa elawula idiameter enkulu; (14), ivalve yokulawula umlinganiselo omkhulu olungelelaniswayo; (15), ivelufa ephantsi ye-S egcina umbane; (16), ivalve yengxolo ephantsi; (17) ivelufa encinci yokulawula (18), i-lining (irabha, i-PTFE, i-ceramic) ivelufa yokulawula; (19) Ivalve yebhola yokucoca amanzi; (20) ivalve ye-caustic soda; (21), ivalve ye-ammonium phosphate; (22) ivelufa elawula igesi yeklorini; (23), ivalve yesitywina esivuthela... Ulwahlulo lwamandla okulawula ivalve drive: (1), ivelufa yokulawula umoya; (2), ivelufa yokulawula umbane; (3), ivalve yokulawula i-hydraulic. (4) Ivalve yokulawula yokuzimela