Kwiinkqubo ezizisebenzelayo zoshishino, iIvalufa ye-Pneumatic Actuatoryinxalenye ebalulekileyo yolawulo lwe-fluid, enikezela ukusebenza kakuhle, ukuthembeka, kunye nokhuseleko kuwo wonke amacandelo afana ne-oyile negesi, ukusetyenzwa kweekhemikhali, ukuveliswa kwamandla, kunye nonyango lwamanzi. Esi sikhokelo sineenkcukacha saphula iziseko zePneumatic Actuator Valves, ukunceda iingcali kunye nabathengi baqonde ulwazi olubalulekileyo ngokukhawuleza.
Ziziphi iiValufa ze-Pneumatic Actuator
Iivalvu ze-Pneumatic Actuator, ezidla ngokubizwa ngokuba ziivalvu zepneumatic, zizixhobo zokulawula ulwelo oluzenzekelayo oluqhutywa ngumoya ocinezelweyo. Basebenzisa i-pneumatic actuator ukuvula, ukuvala, okanye ukumodareyitha ukusebenza kwevalvu, okwenza kube lula ukulawula ukuhamba, uxinzelelo, kunye nobushushu beegesi, ulwelo kunye nomphunga kwimibhobho. Xa kuthelekiswa neevalvu zemveli, iValve ye-Pneumatic Actuator inikezela ngamaxesha okuphendula ngokukhawuleza, ukusebenza ngokuzikhandla, kunye namandla okulawula okude, okwenza kube lula kwiindawo ezinzima, ukusetyenziswa kwe-high-frequency, kunye neenkqubo ezizenzekelayo ezifuna ukungenelela okuncinci komntu.
Zisebenza njani iiValufa ze-Pneumatic Actuator
Iivalvu zePneumatic Actuator zisebenza kumgaqo "woxinzelelo lomoya oqhuba isenzo soomatshini." Le nkqubo ibandakanya amanyathelo amathathu angundoqo:
- Ulwamkelo loMqondiso:Inkqubo yokulawula (umzekelo, i-PLC okanye i-DCS) ithumela isignali ye-pneumatic (ngokuqhelekileyo i-0.2-1.0 MPa) ngemigca yomoya kwi-actuator.
- Uguqulo lwamandla:Ipiston ye-actuator okanye i-diaphragm iguqula amandla omoya acinezelekileyo abe ngamandla omatshini.
- Ukusebenza kweValve:La mandla aqhuba undoqo wevalve (umzekelo, ibhola, idiskhi, okanye isango) ukuba ijikelezise okanye ihambe ngokomgca, ilungisa ukuhamba okanye ukuvala isiphakathi.
Uninzi lweeValve ze-Pneumatic Actuator zibandakanya iindlela zokubuyiswa kwentwasahlobo ezibuyisela ngokuzenzekelayo i-valve kwindawo ekhuselekileyo (ivule ngokupheleleyo okanye ivaliwe) ngexesha lokungaphumeleli kokunikezelwa komoya, ukuphucula ukhuseleko lwenkqubo.
Amacandelo Angundoqo eValuvu ye-Pneumatic Actuator
Iivalvu ze-Pneumatic Actuatorzibandakanya amacandelo amathathu angundoqo asebenza kunye ukuqinisekisa ulawulo olululo.
IActuator yomoya
I-actuator ngumthombo wamandla weValve ye-Pneumatic Actuator, iguqula uxinzelelo lomoya kwintshukumo yomatshini. Iindidi eziqhelekileyo ziquka:
- I-Piston Actuators:Sebenzisa idizayini ye-cylinder-piston kwimveliso ephezulu ye-torque, efanelekileyo kwi-diameter enkulu kunye nezicelo zoxinzelelo oluphezulu. Ifumaneka kwi-double acting (eqhutywa ngumoya kumacala omabini) okanye imodeli eyodwa (i-spring-return).
- I-Diphragm Actuators:Faka i-diaphragm yerabha yolwakhiwo olulula kunye nokumelana nomhlwa, ilungele uxinzelelo olusezantsi ukuya phakathi kunye neevalvu ezinobungakanani obuncinci.
- I-Scotch kunye neYoke:I-actuator ye-pneumatic ihambisa ngokuthe ngqo ukujikeleza kwe-90-degree, izenza isisombululo esifanelekileyo sokuqhuba ngokukhawuleza / ukuvala okanye ukulawula ukulinganisa ukulinganisa kwibhola, ibhabhathane, kunye neevalvu zeplagi.
- I-Rack kunye nePinion:Iqhutywa ngeepiston ezimbini, ezi zi-activators ze-pneumatic zinikezelwa kwi-double acting kunye ne-single-acting (spring-return) uqwalaselo. Banikezela ngamandla athembekileyo ekusebenzeni ngokulandelelana kunye neevalvu zokulawula ezijikelezayo.
Iiparamitha eziphambili zibandakanya i-torque ephumayo, isantya sokusebenza, kunye noluhlu loxinzelelo, olumele luhambelane neenkcukacha zevalve kunye neemfuno zokusebenza.
Umzimba weValve
Ivalve idibana ngokuthe ngqo nendawo kwaye ilawule ukuhamba kwayo. Amalungu abalulekileyo aquka:
- Umzimba weValve:Izindlu eziphambili ezimelana noxinzelelo kwaye ziqulethe okuphakathi; izinto (umzekelo, carbon steel, stainless steel) zikhethwa ngokusekelwe kwiipropati fluid.
- I-Valve Core kunye neSitulo:La macandelo asebenza kunye ukulungelelanisa ukuhamba ngokutshintsha i-gap phakathi kwabo, efuna ukuchaneka okuphezulu, ukumelana nokunxiba, kunye nokunyamezela ukubola.
- Isiqu:Iqhagamshela i-actuator kumbindi wevalvu, idlulisela amandla ngelixa igcina ukuqina kunye namatywina angavuziyo.
Izixhobo zomoya
Izincedisi zongeza ulawulo oluchanekileyo kunye nokuzinza kokusebenza kweeValuvu ze-Pneumatic Actuator:
- Indawo:Iguqula imiqondiso yombane (umzekelo, 4–20 mA) ibe ziimpawu ezichanekileyo zoxinzelelo lomoya ukuze kubekwe ivalvu echanekileyo.
- Isilawuli sesihluzi:Isusa ukungcola kunye nokufuma emoyeni ocinezelweyo ngelixa uzinzisa uxinzelelo.
- Ivalve yeSolenoid:Yenza ukuba iremowuthi ivule/yivale ngemiqondiso yombane.
- Ukutshintshela umda:Inika ingxelo malunga nendawo yevalvu yokubeka iliso kwisixokelelwano.
- Isandisi-moya:Yongeza imiqondiso yomoya ukukhawulezisa impendulo ye-actuator kwiivalvu ezinkulu.
Ukuhlelwa kweeValufa ze-Pneumatic Actuator
Iivalvu ze-Pneumatic Actuatorzihlelwa ngokoyilo, umsebenzi, kunye nesicelo:
Iivalvu zeBhola ye-Pneumatic Actuator
Sebenzisa ibhola ejikelezayo ukulawula ukuhamba. Iinzuzo: Ukutywinwa okugqwesileyo (ukuvuza kwe-zero), ukuchasana nokuhamba okuphantsi, ukusebenza ngokukhawuleza, kunye nobukhulu obuncinci. Iindidi zibandakanya ukuyilwa kwebhola edadayo kunye nesigxina, esetyenziswa kakhulu kwi-petroleum, ikhemikhali, kunye namashishini okucoca amanzi.
Iivalvu zebhabhathane zePneumatic Actuator
Faka idiski ejikelezayo ukulawula ukuhamba. Izinto eziluncedo: Ulwakhiwo olulula, olukhaphukhaphu, olunexabiso eliphantsi, kwaye lufanelekile kwiidayamitha ezinkulu. Okuqhelekileyo kwiinkqubo zamanzi, ukungena komoya, kunye nezicelo ze-HVAC. Iinketho zokutywina ziquka izitywina ezithambileyo (irabha) zoxinzelelo oluphantsi kunye nezitywina eziqinileyo (zentsimbi) zamaqondo obushushu aphezulu.
Iivalvu zesango le-Pneumatic Actuator
Sebenzisa isango elihamba ngokuthe nkqo ukuvula okanye ukuvala. Iinzuzo: Ukutywinwa okuqinileyo, ukuchasana kokuhamba okuncinci xa kuvuleke ngokupheleleyo, kunye noxinzelelo oluphezulu / ukunyamezela kobushushu. Ilungele imibhobho yomphunga kunye nokuthuthwa kwe-oyile ekrwada kodwa isebenza kade.
I-Pneumatic Actuator Globe iiValufa
Sebenzisa iplagi okanye undoqo wohlobo lwenaliti ukulungiselela uhlengahlengiso oluchanekileyo lokuhamba. Amandla: Ulawulo oluchanekileyo, ukutywinwa okuthembekileyo, kunye nokuguquguquka kweendaba eziphezulu zoxinzelelo / ze-viscous. Ixhaphakile kwiinkqubo zeekhemikhali kunye ne-hydraulic, nangona zinokumelana nokuhamba okuphezulu.
Vala iiValves(SDV)
Yenzelwe ukubekwa wedwa ngexesha likaxakeka, ihlala ivaliwe. Zisebenza ngokukhawuleza (impendulo ≤1 isekhondi) kwisignali, iqinisekisa ukhuseleko kwimiba yeendaba ezinobungozi (umzekelo, izitishi zegesi zendalo, i-reactors chemicals).
Izinto eziluncedo kwi-Pneumatic Actuator Valves
Iinzuzo eziphambili eziqhuba ukwamkelwa kwabo kwimizi-mveliso:
- Ukusebenza kakuhle:Ukuphendula ngokukhawuleza (imizuzwana eyi-0.5-5) isekela imisebenzi ye-frequency ephezulu.
- Ukhuseleko:Akukho mingcipheko yombane, ebenza ukuba bafanelekele indawo eqhumayo okanye eyonakalisayo; i-spring-return yongeza ukhuseleko olungaphumeleliyo.
- Ukusebenziseka ngokulula:Ulawulo olukude kunye noluzenzekelayo lunciphisa umsebenzi wezandla.
- Ukuqina:Amalungu omatshini alula abangela ukunxiba okuphantsi, ukugcinwa okuncinci, kunye nobomi benkonzo ende (i-8-10 yeminyaka eyi-avareji).
- Ukuziqhelanisa:Izinto ezinokwenziwa ngokwezifiso kunye nezincedisi ziphatha iimeko ezahlukeneyo ezifana nobushushu obuphezulu, ukubola, okanye imidiya egcweleyo.
Iivalvu ze-Pneumatic Actuator vs
| Umba | Iivalvu ze-Pneumatic Actuator | Iivalvu zeActuator yoMbane |
|---|---|---|
| Umthombo wamandla | Umoya oxinanisiweyo | Umbane |
| Isantya sokuphendula | Ngokukhawuleza (0.5–5 imizuzwana) | Icotha (5–30 imizuzwana) |
| Ubungqina bokuqhuma | Kugqwesileyo (akukho malungu ombane) | Ifuna uyilo olulodwa |
| Iindleko zoLondolozo | Phantsi (iindlela ezilula) | Phezulu (ukunxitywa kwemoto/yebhokisi yegiya) |
| Lawula Ukuchaneka | Ephakathi (ifuna indawo) | Phezulu (i-servo eyakhelwe-ngaphakathi) |
| Izicelo ezifanelekileyo | Iimeko ezinobungozi, ezinomjikelo ophezulu | Ulawulo oluchanekileyo, akukho moya |
Iivalvu ze-Pneumatic Actuator vs
| Umba | Iivalvu ze-Pneumatic Actuator | Iivalvu zeManuwali |
|---|---|---|
| Ukusebenza | Iyazenzekela/ikude | Isebenza ngesandla |
| Ubunzulu boMsebenzi | Phantsi | Phezulu (iivalve ezinkulu zifuna umzamo) |
| Isantya sokuphendula | Ukukhawuleza | Cotha |
| Ukudibanisa okuzenzekelayo | Iyahambelana ne-PLC/DCS | Ayinakudityaniswa |
| Iimeko zokuSebenza eziQhelekileyo | Imigca ezenzekelayo, iinkqubo ezingenamntu | Ukuseta amancinci, umsebenzi wokugcina |
Usetyenziso oluphambili lweeValufa ze-Pneumatic Actuator
Iivalvu zePneumatic Actuator zisebenza ngeendlela ezininzi kuwo wonke amashishini:
- I-oyile neGesi:Utsalo okrwada, ukucokiswa, kunye neereactors zekhemikhali zoxinzelelo oluphezulu/ubushushu obumanzi.
- Isiveliso saMandla:Ulawulo lomphunga kunye nokupholisa kwamanzi kwizityalo ezishushu/zenyukliya.
- Unyango lwamanzi:Ukulawulwa kokuhamba kwamanzi kunye nezityalo zamanzi amdaka.
- Igesi yeNdalo:Ukuvalwa kwemibhobho kunye nokhuseleko lwesikhululo.
- Ukutya kunye neFama:Iivalvu zomgangatho wococeko (umzekelo, i-316L yentsimbi engatyiwayo) yokulungiswa kweenyumba.
- Isinyithi:Iinkqubo zokupholisa / zehydraulic kubushushu obuphezulu, ii-mills ezinothuli.
Ufakelo kunye noLondolozo lweeValufa ze-Pneumatic Actuator
Ukuseta okufanelekileyo kunye nokhathalelo kuqinisekisa ukusebenza kwexesha elide lakhoIivalvu ze-Pneumatic Actuator.
Izikhokelo zoFakelo
- Ukhetho:Tshatisa uhlobo lwevalvu, ubungakanani, kunye nemathiriyeli kwiimpawu zemidiya (umzekelo, iqondo lobushushu, uxinzelelo) ukunqanda ukungaphantsi okanye ubungakanani obukhulu.
- Okusingqongileyo:Faka kude nelanga elithe ngqo, ubushushu, okanye ukungcangcazela; nyusa ii-activators ngokuthe nkqo ukuze ukhuphe amanzi ngokulula.
- Imibhobho:Lungelelanisa ivalve necala lokuhamba (jonga utolo lomzimba); iindawo zokutywina ezicocekileyo kwaye uqinise iibholithi ngokulinganayo kwiidibansi ezine-flanged.
- Ubonelelo loMoya:Sebenzisa umoya ohluziweyo, owomileyo onemigca ezinikeleyo; gcina uxinzelelo oluzinzileyo ngaphakathi kokulinganisa kwe-activator.
- Uqhagamshelo loMbane:Iimpawu zocingo / i-solenoids ngokuchanekileyo kunye nokukhusela okusekelwe phantsi ukukhusela ukuphazamiseka; ukusebenza kwevalvu yovavanyo emva kokufakwa.
Isondlo kunye neNkathalo
- Ukucoca:Sula imiphezulu yevalvu inyanga nenyanga ukususa uthuli, ioli, kunye nentsalela; gxininisa kwiindawo zokutywina.
- Ukuthambisa:Lubricate iziqu kunye neengxenye ze-actuator rhoqo kwiinyanga ezi-3-6 ngeoli efanelekileyo (umzekelo, ibakala lobushushu obuphezulu).
- Uhlolo lwetywina:Qwalasela izihlalo zevalvu kunye neecores ngamaxesha athile ukuba zivuza; buyisela amatywina (O-amakhonkco) njengoko kufuneka.
- Ukugcinwa kwezixhobo:Hlola i-positioners, i-solenoid valves, kunye nezihluzo rhoqo kwiinyanga ezi-6-12; izihluzo ezicocekileyo kunye nohlengahlengiso lweendawo.
- Ukulungisa ingxaki:Lungisa imiba eqhelekileyo efana nokuncamathela (inkunkuma ecocekileyo), isenzo esicothayo (jonga uxinzelelo lomoya), okanye ukuvuza (qinisa iibholithi/ubuyisele izitywina) ngokukhawuleza.
- Ugcino:Vala izibuko zevalvu ezingasetyenziswanga, i-depressurize actuators, kwaye ugcine kwiindawo ezomileyo; jikelezisa iintsimbi zevalvu ngamaxesha athile ukuthintela ukuncamatheliswa kwetywina.
Ixesha lokuposa: Nov-25-2025