Ona Mufananidzo Mukuru
Kudiwa kwesimba kuri kuwedzera pakati pekushanduka kwemamiriro ekunze uye kudiwa kwekutsvaga zviri nani, zvinovandudzwa uye zvisingakuvadzi zviwanikwa kugadzira magetsi.Izvi zvinotungamira kune vanogadzira mavharuvhu eindasitiri muindasitiri yekugadzira magetsi kutsvaga michina yekushandisa inogona kuwedzera simba rekugadzira magetsi uye kuwedzera simba rekuita.
Nokutarisa mufananidzo mukuru, mavharuvhu anoita sechikamu chiduku chehukuru hwechiteshi chemagetsi.Zvidiki kunyangwe izvi zvingave, basa razvo rakakosha kune chirimwa chemagetsi.Muchokwadi, kune mavharuvhu mazhinji mune imwe simba chirimwa.Chimwe nechimwe cheizvi chinotora mabasa akasiyana.
Kunyange iyo nheyo yekugadzira kuseri kwemavharuvhu mazhinji isati yachinja, mavharuvhu emidziyo uye maitiro ekugadzira akavandudza zvakanyanya.Uine izvi mupfungwa, mavharuvhu ikozvino anogona kushanda zvakanyanya uye nemazvo.Ichi chinyorwa chinopa nzwisiso pamavharuvhu anoshandiswa mumagetsi emagetsi, kukosha kwawo pamwe nemhando.
Mavharuvhu Anowanzo Kushandiswa muMagetsi Plant Application
Bolted Bonnet uye Pressure Seal Gedhi Mavhavha
Mavharuvhu egedhi ane disc kana wedge inoshanda segedhi rinovharira nzira yekuyerera yemedia.Haina kuitirwa throttling, basa guru remagedhi mavharuvhu nderekuparadzanisa midhiya ine zvirambidzo zvishoma.Kuti ushandise zvizere valve yegedhi, ishandise chete seyakazarurwa zvizere kana kuvharwa zvakazara.
Mavharuvhu egedhi, pamwe chete nemavharuvhu epasi, ndeechikamu chekuzviparadzanisa nevamwe.Aya mavharuvhu anogona kumisa kuyerera kwemedia munguva dzekukurumidzira kana pombi painenge ichida kugadziriswa.Izvi zvinogona zvakare kubatanidza midhiya kune ekunze process midziyo kana inogona kutungamira iyo nzira midhiya inofanirwa kutevedzera.
Iyo bhoneti vharafu yakavharidzirwa inoderedza kukukurwa, kukwenya uye kudonha kwekumanikidza.Izvi zvinokonzerwa neiyo yakatwasuka-kuburikidza nechiteshi dhizaini.Pakumanikidza chisimbiso mavharuvhu egedhi, maviri magadzirirwo anowanikwa kune yakakwirira-kumanikidza uye tembiricha maapplication: iyo parallel disc uye inochinjika wedge.
Iyo bolted bonnet type ichiri kushandiswa mukupisa kwakanyanya asi mhando iyi inogona kudonha kana kudzvanywa kwawedzera.Nezvikumbiro zvakakwirira kupfuura 500 psi, shandisa vhavha yevhavha yevhavha nekuda kwechisimbiso chayo chinowedzera sezvo kuwedzera kwemukati kunowedzera.
Iyo dhizaini inobvumirawo kushoma kushamwaridzana pakati pe media uye dhisiki.Zvichakadaro, iyo wedge dhizaini inoita kuti isanyanya kuomerera pachigaro.
Zvemaapplication ari pazasi ANSI Kirasi 600, shandisa yakabhaudhiwa bhoneti gedhi vharuvhu.Nekudaro, kune yakakwira-kudzvanywa maapplication, shandisa iyo pressure seal gedhi mavharuvhu.Kudzvinyirirwa kwakanyanya kunogona kubvisa mabhoti mumhando yebhoneti.Izvi zvinogona kukonzera leakage.
Bolted Bonnet uye Pressure Seal Globe Mavharuvhu
Ivhavhavhavhavhavhavhavhavhavhavhavhavhavhavha yegedhi asi pachinzvimbo chedhisiki yakakangwa, inoshandisa dhisiki rakaita sepasi rinovhara,kubatidza kana kutsikisa midhiya.Zvikurukuru, rudzi urwu rwevharuvhu ndeyekupuruzira zvinangwa.Iyo yakaderera yevharuvhu yeglobe ndeyekuti haigone kushandiswa nemedia ine yakakwira kuyerera.
Mavharuvhu epasi, mukugadzira magetsi maapplication, anoshanda mukudzora kuyerera.Pamusoro pezvo, zvichienzaniswa nemamwe mavharuvhu, vharuvhu yepasi ine dhizaini iri nyore, zvichiita kuti kugadzirisa kuve nyore.Iyo dhizaini inogadzira yakaderera friction iyo inozopedzisira yarebesa hupenyu hwevhavhavha.
Mafungiro pakusarudza mavharuvhu epasi imhando yepakati, kumhanya kwekuyerera kweiyo yakataurwa svikiro uye huwandu hwekutonga hunodiwa kubva kuvharuvhu.Mukuwedzera kune izvi, chigaro, disc uye nhamba yekutendeuka kuzarura nekuvhara valve haifaniriwo kutorwa.
Iyo bolted bonnet type ichiri kushandiswa mukupisa kwakanyanya asi mhando iyi inogona kudonha kana kudzvanywa kwawedzera.Nezvikumbiro zvakakwirira kudarika 500 psi, shandisa vheji yekusimbisa chisimbiso nokuti chisimbiso chayo chinowedzera sezvo kuwedzera kwemukati kunowedzera.
Bolted Bonnet Swing Check kana Pressure Seal Tilt Disc Tarisa mavharuvhu
Cheki mavharuvhu ari anti-backflow mavharuvhu.Zvinoreva izvi ndezvekuti inobvumira unidirectional midhiya kuyerera.Iyo 45-degree angled disc dhizaini inoderedza kusando kwemvura uye inogona kuchinjika kune midhiya ine yakakwira velocity.Uyewo, dhizaini inobvumira kuderera-kuderedza kuderera.
Cheki mavharuvhu anodzivirira iyo yese pombi system uye midziyo kubva pakukuvadza kunobvira kubva pakudzoreredza kuyerera.Pakati pemavharuvhu ose, tarisa mavharuvhu, zvichida, anotora zvakanyanya kukuvadza sezvo izvi zvinowanzoonekwa zvakanyanya kune midhiya uye mamwe matambudziko ekushanda.
Mvura inonyundo, jamming uye wedging ingori shoma dzenyaya dzakajairika dzecheki mavharuvhu.Kusarudza vheji yakarurama kunoreva kushanda kwevhavha inoshanda.
Iyo bhoneti yakavharidzirwa uye yekumanikidza seal tilt disc mavharuvhu anodhura-anoshanda kupfuura chero cheki mavharuvhu ekugadzira.Pamusoro pezvo, iyo tilt disc dhizaini inosimbisa zvakanyanya kupfuura mamwe ekutarisa mavharuvhu dhizaini.Sezvo iine oparesheni iri nyore, kuchengetedza rudzi urwu rwevharuvhu zvakare zvakareruka.
Cheki mavharuvhu akakosha ekuwedzera kune chero application yakabatana neyakasanganiswa kutenderera uye marasha-anopfuta magetsi emagetsi.
Dual Check mavharuvhu
Inofungidzirwa seyakasimba, inoshanda uye yakareruka kupfuura swing check valve, iyo mbiri yekutarisa valve ine zvitubu zvinowedzera nguva yekupindura valve.Basa rayo musimba rekudyara pombi system ndeyekuchinjika kune kamwe kamwe shanduko mukuyerera kwenhau.Izvi, zvakare, kazhinji zvinoderedza njodzi yesando yemvura.
Nozzle Tarisa Mavharuvhu
Iyi imhando yakasarudzika yevharuvhu.Dzimwe nguva inonzi silent check valves.Iyo dhizaini inonyanya kubatsira kana paine kudikanwa kwekukurumidza-kupindura kunopesana nekudzoka.Zvakare, kana paine tyisidziro yenguva dzose yekudzokera shure, shandisa iyi valve.
Iyo dhizaini inoderedza mhedzisiro yekurova kwemvura pamwe nekudengenyeka kunokonzerwa nenhepfenyuro.Inogona zvakare kuderedza kudzvinyirira kurasikirwa uye kupa mhinduro nekukurumidza kune shutoffs.
Nozzle cheki mavharuvhu anofunga nezve velocity inodiwa pakuvhura vharuvhu.Fluid media haidi kunge iri muhigh velocity kuvhara vharafu.Zvisinei, vharuvhu inovhara pakarepo kana pane kuderera kukuru mukuyerera kwenhau.Izvi ndezvokuderedza kunyura kwemvura.
Nozzle cheki mavharuvhu anogadzirwa zvakanyanya kuti aenderane nezvinodiwa zvemagetsi.Inogona kugadzirwa kuti ikwane application.Izvo hazvina kana kutsamira pakukura kwepombi.
Metal-Seated Ball Valves
Mavharuvhu ebhora chikamu chemhuri yekota-turn.Chinhu chayo chikuru ndeye bhora-sechimiro chinoshandura 900 kuvhura kana kuvhara.Izvi zvinoita sechivharo chezvenhau.
Zvigadzirwa zvemagetsi zvinoshandisa simbi-yakagarwa bhora mavharuvhu nekuti aya anogona kutsungirira kudzvanywa kukuru uye tembiricha inodarika 10000F.Uyezve, mavharuvhu ebhora akagarwa nesimbi anosimba uye haanyanyi kupfekwa nechigaro kana achienzaniswa neawo akapfava.
Yayo bi-directional simbi-ku-metal sealing inopa zvirinani kuvhara-kuvharwa kugona zvichienzaniswa nemamwe mavharuvhu.Zvinodhura zvishoma kugadzirisa mavharuvhu akadaro zvakare.Sezvo ichikwanisa kumira kutonhora kwakanyanya, haidziviriri moto.
High-Performance Butterfly Valve
Varuvhu yeshavishavi ine muviri wakaita sewafer une dhisiki rakatetepa rinotenderera mativi maviri.Kuva huremu, zviri nyore kuisa, kuchengetedza uye kugadzirisa.
Zvikasadaro zvinozivikanwa seHPBV, mavharuvhu eshavishavi epamusoro-soro ane zvigadziriso zviviri pachinzvimbo chechimwe.Izvi zvinogadzira kugona kwekuvhara kurinani.Iyo inogadzirawo kushomeka kushoma, kunotungamirira kuhupenyu hurefu hwebasa revhavha.
High-performance butterfly mavharuvhu anowanzo shandiswa mukushandiswa kwemvura, kutonhora kwemvura masisitimu uye maindasitiri emarara emvura.HPBV ine simba rekushingirira kudzvanyirira kwakanyanya uye tembiricha kana chigaro chiri simbi.
Resilient-Seated Concentric Butterfly Valves
Rudzi urwu rweshavishavi vharuvhu rinowanzoshandiswa kune yakaderera kudzvanywa uye tembiricha, uye kushoma kusimba kwekudyara zvikumbiro.Nechigaro chayo chinowanzo gadzirwa nerabha yepamusoro-giredhi, inogona kuvhara vharafu zvinobudirira mukudzika-kudzvanywa maapplication.
Mhando iyi iri nyore kuisa nekuchengetedza.Dhizaini yaro yakapfava inoita kuti mavharuvhu anogara akatsiga-akagara akanyanya kudhura kuisa.
Triple Offset Butterfly Mavharuvhu
Triple offset butterfly mavharuvhu ane yekuwedzera yechitatu offset yakaiswa pachigaro.Iyi yechitatu yekubvisa inoderedza kukwesha pakuvhurwa nekuvhara kwevharuvhu.Iyi valve inopawo gasi kusimba uye bi-directional kuyerera.Iyi ndiyo inonyanya kushanda yevhavhavhavhavha kana kukwira kwepamusoro uye tembiricha zviri pamusoro pekufunga.
Iyo inopa yakanyanya kusimba chisimbiso uye yakareba sevhisi hupenyu pakati pemarudzi ese akasiyana evhavhavhavha pamusika.
Valve Classification muMagetsi Plant Indasitiri
Mhando yega yega yekugadzira magetsi application inoda yakasarudzika seti yekuyerera yekudzora zvinodiwa.Izvo zviri kutaurwa, kune zviuru zvemavharuvhu mune yakapihwa pombi system mumagetsi emagetsi.Nekuda kwerudzi rwemaitiro anoitika mune imwe chikamu chepombi system, mavharuvhu eindasitiri ezvidyarwa zvemagetsi anodawo kutora mabasa akasiyana.
Mavharuvhu eKutendeseka Kwepamusoro Slurries
Kuti uwedzere kutendeseka slurry, mavharuvhu anofanirwa kuve akavhara-akasimba.Iro dhisiki rinofanirwa kuchinjika nyore nekuti kazhinji yenguva, slurries inopfuura nepairi inoparadza kana kukuvadza.Kumuviri, iyo yakanyanya kunaka isimbi uye simbi isina tsvina yehunde.
Mavharuvhu eIsolation Services
https://www.youtube.com/watch?v=aSV4t2Ylc-Q
Mavharuvhu anoshandiswa kuzviparadzanisa mavharuvhu anomisa kuyerera kwenhau nekuda kwezvikonzero zvakati.Izvi zvinowira muzvikamu zvina:
1. Bonnet Gate Valve
Iyo yakanakisa bhoneti gedhi vharafu inofanira kugadzirwa nesimbi yakakandwa.Mhete dzechigaro payo dzinofanirawo kusonwa kudzivirira kudonha kungangobuda.
2. Pressure Seal Gate Valve
Iwo maviri madhizaini, akakomberedzwa uye akafanana, anofanirwa kunge akaoma-akatarisana uye aine kugona kuzvichenesa.Inofanirawo kuva nyore kuchengetedza nekugadzirisa.
3. Pressure Seal Globe Valve
Pamasevhisi epamusoro-soro, dhisiki, zvindori zvechigaro, uye chigadziko chekumashure chinofanira kunge chakaoma-kutarisana kuti ive nechokwadi chehupenyu hurefu hwebasa.
4. Bolted Bonnet Globe Valve
Iyo bolted bhoneti globe valve inowanzoshandiswa pakuita throttling masevhisi, iyo yakakodzera vharafu yerudzi urwu inofanirwa kukandwa nezvikamu zvakakora munzvimbo dzine kushushikana kwakanyanya.Kuti ive nechokwadi chekuti pane kushoma kudonha kunogona kuita, mhete yechigaro inofanirwa kusungirirwa.
Mavharuvhu eKuyerera Reversal Dziviriro
Aya mavharuvhu anodzivirira kuyerera.Mavharuvhu emhando iyi anofanirwa kunge aine nzvimbo dzakaomarara uye dzinopesana nekuora.Pamusoro peizvi, vharuvhu inofanirwa kunge iine mapini mahombe ehinge kuitira kuti pave nenzvimbo yekubata mafambiro enhau.
Mavharuvhu echikamu ichi anosanganisira zvinotevera:
– Bolted bonnet swing check valve
- Pressure seal check valve
- Nozzle cheki vharafu
- Dual plate cheki mavharuvhu
Mavharuvhu eSpecial Applications
Kune zvakare maapplication akakosha emamwe mavharuvhu.Izvi zvinoenderana nerudzi rwesimba rekushandisa pamwe chete nezvinodiwa zvegwenya remagetsi.
- Katatu offset butterfly valve
- Yepamusoro-inoshanda butterfly valve
-Kaviri eccentric butterfly valve
– Metal-yakagara bhora vharafu
- Resilient-yakagara concentric butterfly valve
Summary
Mavharuvhu eindasitiri anoshandiswa mumagetsi emagetsi anowanzo kudzvanywa zvakanyanya uye kushushikana.Kuziva iyo chaiyo mhando yevharuvhu inovimbisa zvirinani uye yakakwana yekugadzira magetsi maapplication.
Nguva yekutumira: Feb-25-2018