Gwaro rakazara reinjiniya reMavharuvhu eBhabhatafurayi ePneumatic—inosanganisira mashandiro ekufambisa actuator,magadzirirwo e offset, kuverenga torque, kugadzika kwe ISO 5211, uye zviyero zve API 609 zve automation yeindasitiri.
Pfupiso yeBasa: Chii chinonzi Pneumatic Actuated Butterfly Valve?
1. Nheyo dzeKushanda & Pneumatic Actuator Mechanics
Chinhu chinozviitisa chegavharuvhu yeshavishavi yemhepoinoshandura kumanikidzwa kwemhepo (kazhinji 4.0–8.0 bar)mhepo inopinzwa mumiti) ichipinda mukutenderera kwemugodhi wemakanika. Mhepo yakamanikidzwa inoshanda pakurwisa mapistoni emukati kana diaphragmsmukati meimba ye actuator, uchityaira shaft inotenderera ye90° yakabatana ne valvu disc kuburikidza ne
ISO 5211flange interface yepamusoro.
Mhando dzeButterfly Valve Actuator Drive Systems
Kusarudza chakakodzeraactuator yevharuvhu yemashavishavizvinoenderana ne torque output curve, cycle frequency, uye saizi ye valvu bore:
- Zvishandiso zveRack nePinion:Mapistoni maviri ane magiya akabatanidzwa anopa nzira dzakatwasukatorque pa 90° yese. Kufamba zvishoma uye kumhanya kwebhasikoro zvinoita kuti vave indasitirimwero wemavharuvhu anotenderera otomatiki kubva pachiedza kusvika pakati nepakati (DN40 kusvika DN300).
- Zvishandiso zveScotch Yoke:Kuungana kwejoko nebhoroko kunogadzira torque isina kurongekaprofile ine simba guru rekubudisa pamagumo e stroke (breakout uye seating). Izvi zvinoita kuti pave nechinhu chinobuda zvakanaka.dzakanakira dhayamita hombe, dzinoshanda zvakanyanya, kana dzakagara nesimbimavharuvhu eshavishavi matatu anodzikisa
(DN350 kusvika DN1200+).
Maitiro Ekuita Pneumatic: Kuita Kaviri vs. Kudzoka Kwechirimo
| Kugadziriswa kweActuator | Maitiro Ekushanda | Mamiriro Ekuita Akachengeteka Pakukundikana |
|---|---|---|
| Kuita Kaviri (DA) | Zvinoda mhepo yakamanikidzwa paPort A kuti ivhurike uye Port B kuti ivhare. | Kukundikana-muNzvimbo:Inobata nzvimbo yazvino kana mweya wemhepo wapera. |
| Kudzoka Kwechirimo (SR / Kutamba Kwemunhu Asina Kuroora) | Mhepo inodzvanya divi rimwe chete uku ichidzvanya maspring emukati. Maspring anofambisa stroke yakasiyana. | Kukundikana kweMichina:Inoshanduka otomatiki kuenda kuKukundikana-Kuvhara (FC) or Kukundikana-Kuvhura (FO)kana mhepo yapera. |
Ruzivo Rukuru rweUinjiniya
Kune mashandisirwo akakosha pakuchengetedzeka (semuenzaniso, masisitimu ekudzima emergency), gara uchitsanangurama actuator ekudzoka kwechitubuine nzvimbo yakakodzera yekuchengetedza kutadza. Ma actuator anoshanda kaviri anonyanya kufarirwa pakugadzirisa kudzora ukokuchengetedza nzvimbo panguva yekurasikirwa kwesimba kunogamuchirwa.
2. Kuvaka Muviri weVharuvhu & Mhando dzeDhizaini yeOffset
Kugadziriswa kwemuchina kwedhisiki kunotungamira torque yekushanda, kukweshana kwechigaro, uye kugona kupisayevharuvhu yerudzi rweshavishavi yemhando ye actuator:
1. Mavharuvhu eBhabhatafurayi Akakombama (Akagara Akagadzikana)
Hunde yacho iri pakati pedhisiki nepaburi rechigaro. Inoshandisa machira akapfava elastomeric (EPDM, NBR,Viton, kana PTFE) kuti zvibudirireANSI/FCI 70-2 Kirasi VI haina kudzima mvuraZvakakodzera zvakanyanyayemvura, mhepo, HVAC, uye mishonga ine simba shoma kusvika pa16 bar uye 150°C.
2. Mavharuvhu eBhabhatafurayi maviri (Anoshanda Zvakanyanya)
Kubviswa kwemugodhi kubva pakati pechigaro nepakati pechitubu chepombi. Kusawirirana uku kunokonzera dhisiki"kusimudza" kubva pachigaro panguva yekutenderera, kuderedza kukweshana, kuderedza simba rekugara, uye kuwedzera chigaroNguva yebasa. Inowanikwa nezvigaro zvePTFE/RPTFE zvakapfava kana mhete dzesimbi dzinochinjika kuti dzishande zvine simba repakati nepakati.
steam uye process lines.
3. Mavharuvhu eBhabhatafurayi ane simbi yeTriple Offset (TOBV)
Ine kona yechitatu ye offset yakabatanidzwa mu geometry ye seat cone. Iyi haisi kukwesha, inoshanda ne cam-action.dhizaini inoita kuti pave nekutenderera kusina kukweshana uye zvigaro zvakasimba kubva pasimbi kuenda kusimbi (Stellite / Laminated Stainless)Simbi). Yakagadzirwa kuti ishande zvakanyanya, tembiricha yepamusoro inosvika 550°C+, mvura dzinopisa, uye haidziviriri moto.mashandiro.
Sarudzo Dzokubatanidza
- Rudzi rwechingwa:Muviri wakabatana wakabatirirwa pakati pemapaipi akaputirwa nemabhaudhi. Huremu hwakaderera uye nzvimbo yakaderera.
- Rudzi rweLug:Matinji ane shinda pamuviri anoenderana nemapatani emabhaudhi eflange. Anobvumira kushanda kusina simba uye kugadziriswa kwetambo dziri pasi.
- Rudzi Rwakapetwa Kaviri:Maflange akabatanidzwa kumativi ese ari maviri; zvinosungirwa kushandiswa pakuisa mapaipi ane dhayamita hombe (DN300+) uye akavigwa kana kuti ane simba guru.
3. Zvishongedzo zveOtomatiki zveLoop Control
Kuti tishandure vharuvhu yebhururu yakajairwa inofambiswa nemhepo kuita chinhu chekupedzisira chekudzora chakangwara, musanganiswayezvishongedzo zvepneumatic zvinoiswa zvakananga kuburikidzaNAMURuyeISO 5211nzvimbo dzekubatana:
Pakeji Yezvishandiso Zvekushandisa Zvemagetsi Zvakajairwa
- Zvimisikidzo zveMavharuvhu eElectro-Pneumatic (4–20mA / HART / Fieldbus):Gadzirisa mhepokumanikidzwa kwakavakirwa pakupinda kwechiratidzo chekudzora kuti pave nekudzora kuyerera kwakanyatsojeka.
- Mavharuvhu eSolenoid (NAMUR Mount ine nzira nhatu kana mbiri):Dzora gwara rekupihwa kwemhepopabasa rekuparadzanisa vanhu vari panze. SIL 3 sarudzo dziripo dzemitsetse yekuvharira yakachengeteka.
- Mabhokisi Ekuchinja Anodzivirira Kuputika (Ex d kuputika-kunodzivirira / IP67):Ipa chiratidzo chekuona chemunharaundauye kutumira mhinduro yemagetsi yekuvhura/kuvhara nzvimbo kuPLC kana DCS.
- Vanodzora Mafirita Emhepo (AFR):Sefa zvinhu zvinosvika pama microns mashanu uyechengetedza kumanikidzwa kwemhepo kwakasimba kuchengetedza zvisimbiso zvemukati zve actuator.
- Kubviswa kweMashoko nemaoko:Mabhokisi egiya eruoko akaiswa pakati pevharuvhu neactuator inobvumira kushanda nemaoko panguva yekumanikidzwa kwemhepo kana kutadza kwemagetsi.
Kuti uwane rumwe ruzivo rwakadzama nezvesarudzo yezvishongedzo, shanyira yeduGwaro reZvishongedzo zveValve Automation.
4. Maitiro ekugadzira nekugadzira saizi yeinjiniya yeActuator
Kuyera saizi chaiyo yeactuator kwakakosha kudzivirira kutaurirana kwevharuvhu, kushanduka kwetsinga, kana kumira kweactuator panguva yekubuda kwechinhu.kusunungura pasi pekumanikidzwa kwakanyanya kwekusiyanisa.
Fomura Yekuverenga Saizi yeActuator
Zano reUinjiniya:Gara uchishandisa zvinhu zvekuchengetedza zvinoenderana nerudzi rwemidhiya:
- 1.25— Zvinwiwa zvakachena zvekuzora
- 1.30 kusvika 1.40— Gasi rakaoma uye mhepo yakamanikidzwa
- 1.50+— Zvinwiwa zvine viscous, kana utsi hwekupisa kwakanyanya
Maitiro Ekugadzira & Hunhu Hwakakosha
- Dhizaini & Kugadzira:API 609, ASME B16.34, ISO 10631, EN 593
- Kuedzwa & Kuongorora:API 598, ISO 5208, EN 12266
- Chishandiso cheActuator & Accessory:ISO 5211 (Flange Yepamusoro), VDI/VDE 3845 (NAMUR)
- Chitupa Chekuchengetedza Moto:API 607, ISO 10497 (Mhando dzeKubvisa Katatu)
- Chitupa cheKuburitsa Utsi Hwakatiza:API 641, ISO 15848-1
5. Mibvunzo Inowanzo bvunzwa (Mibvunzo Inowanzo bvunzwa NezveUinjiniya)
Mubvunzo 1: Vharuvhu yebhururu yemhepo inogona kushandiswa here kugadzirisa kuyerera kwemvura nemazvo?
Ehe. Nekuisa vharuvhu yeshavishavi ine double offset kana concentric ine digital electro-pneumatic positioner(4–20mA signal), gungano rinoshanda sevharuvhu yekudzora inoshanda yekufambisa mvura yakawanda uye ine kumanikidzwa kwakadereramapaipi ekudonhedza.
Mubvunzo wechipiri: Ndeipi mukana mukuru wevharuvhu yeshavishavi yerudzi rweactuator kupfuura vharuvhu yebhora?
Mavharuvhu ebhururu ane simba remhepo akareruka zvakanyanya, akapfava kana tichitarisa-tarisa, uye zvakanyanyainodhura zvishoma kana tichienzanisa nemavharuvhu ebhora ane saizi yakaenzana (DN200 / 8-inch zvichikwira).
Mubvunzo wechitatu: Sei chiyero chekuisa cheISO 5211 chakakosha kune actuator yevharuvhu yebhatafurayi?
ISO 5211 inotsanangura mapatani akafanana emabhaudhi, saizi yemubato wekutyaira, uye saizi yeflange. Izvi zvinoita kuti zvive zvakajairwakuchinjana, zvichibvumira ma actuator emhepo kubva kuvagadziri vakasiyana-siyana kuti aise zvakananga pama valvu stemspasina mabhureki akagadzirwa.
Mubvunzo wechina: Ndeupi musiyano uripo pakati pemavharuvhu eshavishavi ane chigaro chakapfava neanogara nesimbi?
Mavharuvhu ane zvigaro zvakapfava anoshandisa zvigaro zve elastomeric kana PTFE kuti adzime zvachose kana tembiricha yakaderera.(kazhinji ≤150°C). Mavharuvhu ane simbi (akaiswa katatu) anoshandisa chisimbiso chesimbi kubva pasimbi kuenda pasimbi uye anogona kutsungiriratembiricha dzinosvika 550°C+, zvichiita kuti dzikwanise kushandiswa nemhepo inopisa, mafuta anodziya, uye mabasa e cryogenic.
Une mimwe mibvunzo here? Tarisa yeduMibvunzo Inowanzo bvunzwa Nezve Valvekanataura nechikwata chedu cheinjiniya zvakananga.
Unoda Rubatsiro Pakusarudza Actuator Yakakodzera YePneumatic?
Chikwata chedu cheinjiniya yemavharuvhu chinogona kukubatsira kukura, kutsanangura, uye kuwana chakakodzeravharuvhu yebhururu yepneumatic actuator yekushandisa kwako—ine maverengero e torque,mapakeji ezvishandiso, uye magwaro ekutevedzera mitemo.
Nguva yekutumira: Gunyana-06-2026