Vavu ya Pneumatic Actuator: Mfundo Zogwirira Ntchito, Mitundu

M'mafakitale odzichitira okha, maVavu ya Pneumatic Actuatorndi gawo lofunikira pakuwongolera madzimadzi, kupereka mphamvu, kudalirika, ndi chitetezo m'magawo onse monga mafuta ndi gasi, kukonza mankhwala, kupanga magetsi, ndi kuthira madzi. Maupangiri atsatanetsatane awa akuphwanya maziko a Pneumatic Actuator Valves, kuthandiza akatswiri ndi ogula kuti amvetsetse zambiri zofunikira mwachangu.

Kodi Pneumatic Actuator Valves Ndi Chiyani

Mavavu a Pneumatic Actuator, amene nthawi zambiri amatchedwa ma valve pneumatic, ndi zipangizo zoyendetsera madzimadzi zomwe zimayendetsedwa ndi mpweya woponderezedwa. Amagwiritsa ntchito pneumatic actuator kuti atsegule, kutseka, kapena kusintha ma valve, kuwathandiza kuwongolera bwino kayendedwe, kuthamanga, ndi kutentha kwa mpweya, zakumwa, ndi nthunzi m'mapaipi. Poyerekeza ndi ma valve achikhalidwe, Pneumatic Actuator Valve imapereka nthawi yoyankhira mwachangu, kugwira ntchito movutikira, komanso mphamvu zowongolera zakutali, zomwe zimawapangitsa kukhala abwino kwa malo ovuta, kugwiritsa ntchito pafupipafupi, komanso makina odzipangira okha omwe amafunikira kulowererapo kochepa kwa anthu.

Momwe Pneumatic Actuator Mavavu Amagwirira Ntchito

Pneumatic Actuator Valves imagwira ntchito pamfundo ya "air pressure drive mechanical action". Njirayi ili ndi njira zitatu zofunika:

1. Kulandila kwa Signal:Dongosolo lowongolera (mwachitsanzo, PLC kapena DCS) limatumiza chizindikiro cha pneumatic (kawirikawiri 0.2–1.0 MPa) kudzera mumizere ya mpweya kupita ku actuator.
2. Kusintha Mphamvu:Pistoni ya actuator kapena diaphragm imatembenuza mphamvu ya mpweya woponderezedwa kukhala mphamvu yamakina.
3. Kugwira ntchito kwa valve:Mphamvu imeneyi imayendetsa pakati pa valve (mwachitsanzo, mpira, disc, kapena chipata) kuti chizungulire kapena kuyenda mozungulira, kusintha kayendedwe kake kapena kutseka pakati.
   Ma valve ambiri a Pneumatic Actuator amaphatikizanso njira zobwezera masika zomwe zimangobwezeretsanso valavu pamalo otetezeka (otseguka kapena otsekedwa) pakalephera kwa mpweya, kukulitsa chitetezo chadongosolo.

Zigawo Zazikulu za Pneumatic Actuator Valves

Mavavu a Pneumatic Actuatorzili ndi zigawo zitatu zazikulu zomwe zimagwirira ntchito limodzi kuti zitsimikizire kuyendetsa bwino kwamadzimadzi.

Pneumatic Actuator

The actuator ndiye gwero lamphamvu la Pneumatic Actuator Valve, ndikusintha kuthamanga kwa mpweya kukhala kuyenda kwamakina. Mitundu yodziwika bwino ndi:

• Piston Actuators:Gwiritsani ntchito mapangidwe a cylinder-piston kuti mutulutse torque yayikulu, yoyenera kugwiritsira ntchito mainchesi akulu komanso kuthamanga kwambiri. Amapezeka mumitundu iwiri (yoyendetsedwa ndi mpweya mbali zonse ziwiri) kapena machitidwe amodzi (obwerera ku masika).

• Ma Diaphragm Actuators:Onetsani chojambula cha rabara chomangira chosavuta komanso kukana dzimbiri, choyenera kupanikizika pang'ono ndipakatikati ndi mavavu ang'onoang'ono.

• Scotch ndi Goli:Makina oyendetsa ma pneumatic amapereka kasinthasintha kolondola kwa madigiri 90, kuwapangitsa kukhala njira yabwino yoyendetsera kuyendetsa mwachangu / kuzimitsa kapena kuwongolera mita mu mpira, gulugufe, ndi mavavu a pulagi.

• Rack ndi Pinion:Imayendetsedwa ndi ma pistoni apawiri, ma actuators a pneumatic awa amaperekedwa muzochita ziwiri komanso single-acting (spring-return) masinthidwe. Amapereka mphamvu yodalirika yogwiritsira ntchito ma valve owongolera ozungulira komanso ozungulira.

Zofunikira zazikulu zimaphatikizapo torque yotulutsa, kuthamanga kwa ntchito, ndi kuchuluka kwa kuthamanga, zomwe ziyenera kufanana ndi ma valve ndi zosowa zogwirira ntchito.

Thupi la Vavu

Valavu imalumikizana mwachindunji ndi sing'anga ndikuwongolera kuyenda kwake. Zigawo zofunika kwambiri ndi izi:

• Thupi la Vavu:Nyumba yaikulu yomwe imapirira kupanikizika ndipo imakhala ndi sing'anga; zipangizo (mwachitsanzo, mpweya zitsulo, zitsulo zosapanga dzimbiri) amasankhidwa kutengera katundu madzimadzi.
• Valve Core ndi Mpando:Zigawozi zimagwirira ntchito limodzi kuti zisinthe kayendedwe kake posintha kusiyana pakati pawo, kumafuna kulondola kwambiri, kukana kuvala, ndi kulekerera kwa dzimbiri.
• Tsinde:Amalumikiza cholumikizira ku phata la valve, kutumizira mphamvu kwinaku akusunga zosindikizira zolimba komanso zotsekeka.

Pneumatic Chalk

Zida zimakulitsa kulondola kowongolera komanso kukhazikika kwa magwiridwe antchito a Pneumatic Actuator Valves:

• Woyimilira:Amasintha ma siginecha amagetsi (monga 4–20 mA) kukhala ma siginecha olondola a mpweya kuti akhazikike bwino ma valve.
• Zowongolera Zosefera:Amachotsa zonyansa ndi chinyezi kuchokera ku mpweya woponderezedwa pamene akukhazikika.
• Valve ya Solenoid:Imayatsa chiwongolero choyatsa/kuzimitsa chakutali kudzera pa ma siginolo amagetsi.
• Kusintha Malire:Amapereka ndemanga pa malo a valve powunikira dongosolo.
• Air Amplifier:Imakulitsa ma sign a mpweya kuti ifulumizitse kuyankha kwa actuator mu ma valve akulu.

Gulu la Pneumatic Actuator Valves

Mavavu a Pneumatic Actuatoramagawidwa ndi mapangidwe, ntchito, ndi kugwiritsa ntchito:

Pneumatic Actuator Ball Valves

Gwiritsani ntchito mpira wozungulira kuti muwongolere kuthamanga. Ubwino: Kusindikiza kwabwino kwambiri (kutuluka kwa zero), kukana kuyenda pang'ono, kugwira ntchito mwachangu, ndi kukula kophatikizana. Mitunduyi imaphatikizapo mapangidwe a mpira oyandama komanso osasunthika, omwe amagwiritsidwa ntchito kwambiri m'mafakitale opangira mafuta, mankhwala, ndi madzi.

Pneumatic Actuator Butterfly Valves

Onetsani chimbale chomwe chimazungulira kuti chiwongolere kuthamanga. Ubwino: Mapangidwe osavuta, opepuka, okwera mtengo, komanso oyenera ma diameter akulu. Zofala m'makina amadzi, mpweya wabwino, ndi ntchito za HVAC. Zosankha zosindikizira zimaphatikizapo zisindikizo zofewa (rabara) za kutsika kwapansi ndi zisindikizo zolimba (zitsulo) pa kutentha kwakukulu.

Pneumatic Actuator Gate Mavavu

Gwiritsani ntchito chipata chomwe chimayenda molunjika kuti chitseguke kapena kutseka. Ubwino: Kusindikiza kolimba, kukana koyenda pang'ono kukatseguka kwathunthu, komanso kulekerera kwakukulu / kutentha. Ndi abwino pamapaipi a nthunzi ndi mayendedwe opaka mafuta koma osagwira ntchito pang'onopang'ono.

Pneumatic Actuator Globe Valves

Gwiritsani ntchito pulagi kapena maziko a singano kuti musinthe bwino kayendedwe kake. Mphamvu: Kuwongolera kolondola, kusindikiza kodalirika, komanso kusinthasintha kwa media media / viscous. Zofala m'makina amankhwala ndi ma hydraulic, ngakhale ali ndi kukana kothamanga kwambiri.

Tsekani Mavavu(SDV)

Zopangidwira kudzipatula mwadzidzidzi, nthawi zambiri zimalephera kutsekedwa. Amayatsa mwachangu (kuyankha ≤1 sekondi) pazizindikiro, kuonetsetsa chitetezo pakugwiritsa ntchito zowulutsa zowopsa (mwachitsanzo, malo opangira mafuta achilengedwe, makina opangira mankhwala).

Ubwino wa Pneumatic Actuator Valves

Zopindulitsa zazikulu zomwe zimayendetsa kutengera kwawo kwa mafakitale:

• Kuchita bwino:Kuyankha mwachangu (masekondi 0.5-5) kumathandizira magwiridwe antchito apamwamba kwambiri.
• Chitetezo:Palibe zoopsa zamagetsi zomwe zimawapangitsa kukhala oyenera malo ophulika kapena owononga; Kubwerera kwa kasupe kumawonjezera chitetezo cholephera.
• Kusavuta Kugwiritsa Ntchito:Kuwongolera kutali ndi makina kumachepetsa ntchito yamanja.
• Kukhalitsa:Zigawo zosavuta zamakina zimabweretsa kuvala kochepa, kusamalidwa pang'ono, komanso moyo wautali wautumiki (avereji yazaka 8-10).
• Kusinthasintha:Zida zomwe mungasinthire makonda ndi zina zimatha kuthana ndi zinthu zosiyanasiyana monga kutentha kwambiri, dzimbiri, kapena media zodzaza ndi zinthu.

Pneumatic Actuator Valves vs. Magetsi amagetsi

Pneumatic Actuator Vavu vs. Mavavu Amanja

Kugwiritsa Ntchito Kwambiri kwa Pneumatic Actuator Valves

Ma valve a Pneumatic Actuator ndi osinthasintha m'mafakitale:

• Mafuta & Gasi:M'zigawo zamwano, kuyenga, ndi mankhwala reactors kwa mkulu-anzanu/kutentha madzimadzi.
• Kupanga Mphamvu:Kuwongolera kwa nthunzi ndi kuziziritsa kwa madzi muzomera zotentha/nyukiliya.
• Chithandizo cha Madzi:Kuwongolera kayendedwe ka madzi m'mafakitale ndi madzi otayira.
• Gasi Wachilengedwe:Kutseka kwa mapaipi ndi malo otetezedwa.
• Chakudya & Pharma:Mavavu aukhondo kalasi (monga 316L zitsulo zosapanga dzimbiri) pokonza wosabala.
• Metallurgy:Makina oziziritsa / ma hydraulic pakutentha kwambiri, mphero zafumbi.

Kuyika ndi Kukonza Mavavu a Pneumatic Actuator

Kukonzekera koyenera ndi chisamaliro kumatsimikizira kugwira ntchito kwa nthawi yayitaliMavavu a Pneumatic Actuator.

Malangizo Oyika

• Zosankha:Fananizani mtundu wa valavu, kukula, ndi zinthu kuzinthu zowulutsira (monga kutentha, kupanikizika) kupewa kuchepera kapena kupitilira.
• Chilengedwe:Ikani kutali ndi kuwala kwa dzuwa, kutentha, kapena kugwedezeka; khazikitsani ma actuators molunjika kuti madzi aziyenda mosavuta.
• Kupopera:Gwirizanitsani valavu ndi njira yoyendetsera (onani muvi wa thupi); yeretsani malo osindikizira ndi kumangitsa mabawuti mofanana pamalumikizidwe a flanged.
• Ma Air Supply:Gwiritsani ntchito mpweya wosefedwa, wouma wokhala ndi mizere yodzipereka; sungani kupanikizika kokhazikika mkati mwa ma actuator ratings.
• Zolumikizira zamagetsi:Mawaya poyikira / solenoids molondola ndi zotchinga pansi kuteteza kusokoneza; kuyesa valavu ntchito pambuyo kukhazikitsa.

Kusamalira ndi Kusamalira

• Kuyeretsa:Pukuta ma valve mwezi uliwonse kuti muchotse fumbi, mafuta, ndi zotsalira; yang'anani pa malo osindikizira.
• Mafuta:Mafuta zimayambira ndi actuator mbali iliyonse 3-6 miyezi ndi mafuta abwino (mwachitsanzo, mkulu-kutentha kalasi).
• Kuyang'ana Chisindikizo:Yang'anani mipando ya valve ndi ma cores nthawi ndi nthawi kuti muwone ngati ikutha; sinthani zisindikizo (O-mphete) ngati pakufunika.
• Kusamalira Chalk:Yang'anani zoyika, ma valve a solenoid, ndi zosefera miyezi 6-12 iliyonse; zosefera zoyeretsa ndikusinthanso zoyika.
• Kusaka zolakwika:Yang'anirani zinthu zomwe zimafala monga kumamatira (zinyalala zoyera), kuchita pang'onopang'ono (onani kuthamanga kwa mpweya), kapena kutayikira (mangitsani mabawuti/kusinthani zisindikizo) mwachangu.
• Posungira:Tsekani ma valavu osagwiritsidwa ntchito, chepetsani ma actuators, ndikusunga m'malo owuma; tembenuzani ma valve nthawi ndi nthawi kuti musamamatire.