1. Chii chinonzi shavishavi vharuvhu?
1.1 Nhanganyaya kune butterfly mavharuvhu
Butterfly mavharuvhu anoita basa rakakosha mukudzora mvura. Aya mavharuvhu anodzora kuyerera kwezvinwiwa uye magasi mumapaipi. Iyo yakapfava dhizaini, mhinduro inokurumidza uye mutengo wakaderera we butterfly mavharuvhu anoyevedza kwazvo.
Kushandiswa kwakajairika kwevhavhavhavhavha inovhara nzvimbo dzakasiyana siyana. Nzira dzekupa mvura dzinowanzoshandisa mavharuvhu aya. Zvishongedzo zvekuchenesa mvura yetsvina zvinovimbawo nazvo. Indasitiri yeoiri negasi ine kudiwa kukuru kwesimbi isina simbi butterfly valves. Moto kudzivirira masisitimu uye maindasitiri emakemikari anobatsirwawo nekushandiswa kwavo. Zvivako zvekugadzira magetsi zvinowanzobatanidza mavharuvhu e butterfly mumabasa avo.
1.2 Basic components
Butterfly valves inoumbwa nezvikamu zvakakosha zvakawanda. Chimwe nechimwe chikamu chakakosha mubasa revhavha.
Valve body
Muviri wevharuvhu unogona kunzwisiswa segoko rekunze revhavhavhavhavha, iro rinogara zvimwe zvikamu zvese. Ichi chikamu chinoiswa pakati pepombi flanges.
Disc
Iyo disc inoshanda segedhi mukati mevhavha uye inhengo yekudzora mvura. Ichi chikamu chinotenderera kudzora kuyerera kwemvura. Kutenderera kwe disc kunotarisa kana valve yakazaruka kana yakavharwa.
chigaro
Chigaro chevharuvhu chakaiswa pamusoro pemuviri wevharuvhu uye chinopa chisimbiso chevhavha disc munzvimbo yakavharwa. Chigaro chevharuvhu chinogona kugadzirwa nezvinhu zvakasiyana-siyana, senge rabha, simbi, kana musanganiswa wezvose, zvichienderana nekushandiswa.
Stem
Ivhavha hunde inobatanidza disc kune actuator. Ichi chikamu chinoendesa mafambiro kune disc. Kutenderera kwe stem kunodzora kutenderera kwe disc.
Actuator
Iyo actuator inogona kuve yemanyorero (mubato kana worm giya), pneumatic, kana yemagetsi, zvichienderana nedanho re automation rinodiwa.
2. Shavishavi rinoitei? Shavishavi inoshanda sei?
2.1 Quarter-turn kutenderera kwekufamba
Butterfly mavharuvhu anoshandisa quarter-turn rotational motion. Kutenderedza disc 90 degrees kunovhura kana kuvhara valve. Iyi ndiyo mhinduro inokurumidza yataurwa pamusoro apa. Ichi chiito chiri nyore chinoita kuti butterfly mavharuvhu ave akanaka kune maapplication anoda kukurumidza kugadzirisa.
Zvakanakira kufamba uku zvakawanda. Iyo dhizaini inovimbisa kushanda nekukurumidza, izvo zvakakosha mumamiriro ezvinhu apo inowanzoitika shanduko yevharuvhu inodiwa. Iko compactness ye butterfly valves zvakare inochengetedza nzvimbo uye inoderedza kuisa mari. Iwe uchawana mavharuvhu aya anodhura-anoshanda uye ari nyore kuchengetedza.
2.2 Maitiro ekushanda
Maitiro ekushanda kwevhavhavhavhavha ari nyore. Iwe unovhura vharuvhu nekushandura actuator kuti uise disc parallel kune nzira yekuyerera kwemvura. Nzvimbo iyi inobvumira mvura kuti ipfuure nekupikisa kushoma. Kuti uvhare valve, iwe unoshandura disc perpendicular kune nzira yekuyerera kwemvura, iyo inogadzira chisimbiso uye inovhara kuyerera.
3. Mhando dzeButterfly Valves
Kune akawanda marudzi e butterfly mavharuvhu, rimwe nerimwe rakagadzirirwa mashandisirwo chaiwo uye mamiriro ekuisa.
3.1 Concentric Butterfly Mavharuvhu
Magadzirirwo eiyo concentric butterfly valve ari nyore kwazvo. Iyo disc uye chigaro zvakarongedzerwa pamwe nechepakati pevhavha. Chigaro chevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha inogadzirwa ne elastic material,saka inongokodzera ku low-pressure applications. Iwe kazhinji unoona concentric butterfly mavharuvhu mumasisitimu ekupa mvura.
3.2 Mavharuvhu eshavishavi ane mbiri eccentric (yepamusoro-soro).
Kaviri eccentric butterfly mavharuvhu anoita zvirinani. Iyo dhisiki inobviswa kubva pakati pevhavhavhavha, kuderedza kusakara pane disc uye chigaro uye kugadzirisa chisimbiso. Iyi dhizaini yakakodzera kudzvinyirira kwakanyanya. Kaviri eccentric mavharuvhu anowanzo shandiswa mumaindasitiri akadai seoiri uye gasi.
3.3 Triple eccentric butterfly mavharuvhu
Triple eccentric butterfly mavharuvhu ane kugona kwekuvharisa kwakanaka. Zvichienderana nekaviri eccentric butterfly vharafu, kumisa kwechigaro kunogadzira chetatu, kuderedza kubata nechigaro panguva yekushanda. Iyi dhizaini inowedzera hupenyu hwesevhisi yevhavhavhavhavha yese uye inovimbisa chisimbiso chakasimba. Iwe uchawana katatu eccentric mavharuvhu mune zvakakosha maapplication uko zero kuvuza kunodiwa pakupisa kwakanyanya uye nekumanikidza.
4. Zvimiro uye Zvakanakira Butterfly Mavharuvhu
4.1 Zvimiro zveButterfly Valves
Butterfly mavharuvhu anovhura kana kuvhara nekareruka 90-degree turn. Iyi dhizaini inobvumira kukurumidza kushanda, ichiita kuti ive yakanaka kune mamiriro apo kugadzirisa nekukurumidza kunodiwa. Iyo michina inovimbisa kuti vheji inovhura nekushomeka kushoma, ichipa inoshanda kuyerera kuyerera.
Butterfly valves inopawo zvakasiyana-siyana zvinobatsira. Iwe unovawana ari nyore kushanda nekuda kweyavo yakaderera torque zvinodiwa. Iyi ficha inoita saizi yeactuator uye kuisa kudhura. Iyo dhizaini zvakare inoderedza kupfeka pazvikamu zvevhavha, kuwedzera hupenyu hwebasa uye kuvimbika.
Mamwe mavharuvhu, akadai semavharuvhu egedhi, anowanzo ane madonhwe epamusoro uye anoda kuchengetedzwa kwakawanda. Uye unogona kuona kuti mavharuvhu emagedhi haakodzeri kushanda nokukurumidza uye nguva nenguva, pfungwa yambotaurwa kune imwe nzvimbo. Butterfly mavharuvhu anokunda munzvimbo idzi, zvichiita kuti ive sarudzo yakakurumbira kune akawanda maindasitiri.
4.2 Kuenzanisa nemamwe mavharuvhu
Paunenge uchienzanisa butterfly mavharuvhu kune mamwe marudzi emavharuvhu, iwe unozoona mashoma akakosha misiyano.
4.2.1 Diki chivharo chetsoka
Butterfly mavharuvhu akanyanya kusimba, akareruka, uye ane hurefu hwechimiro, saka anokwana mune chero nzvimbo.
4.2.2 Mutengo Wakaderera
Butterfly mavharuvhu anoshandisa zvishoma mbichana, saka mbishi mutengo kazhinji kuderera pane mamwe mavharuvhu. Uye mari yekuisa zvakare yakaderera.
4.2.3 Lightweight Design
Iyo butterfly valve ine huremu nekuti inopa dzakasiyana siyana sarudzo. Iwe unogona kusarudza butterfly mavharuvhu akagadzirwa neakasimba zvinhu senge ductile iron, WCB kana Stainless simbi. Zvishandiso izvi zvine zvakanakisa corrosion resistance. Huremu hwemhando yezvinhu zvakare hunoita kuti zvive nyore kushanda nekuisa.
Chiedza chekugadzira chinokanganisa zvakanyanya kuiswa. Butterfly mavharuvhu ari nyore kuisa nekuda kwehukuru hwawo hwakadzikira uye huremu. Ichi chimiro chinoderedza kudiwa kwemidziyo inorema yekusimudza.
4.2.4 Dzinodhura
Butterfly mavharuvhu ndiyo inodhura-inoshanda sarudzo yekudzora mvura. Ivhavhavhavha ine mapoka mashoma emukati, inoda zvinhu zvishoma uye basa rekugadzira, uye yakaderedza mari yekugadzirisa, iyo inoderedza mari yose. Iwe uchaona kuti butterfly mavharuvhu isarudzo yehupfumi yekutanga kudyara uye kushanda kwenguva refu.
4.2.5 Kusunga chisimbiso
Kusunga chisimbiso chinhu chakatanhamara chevhavhavhavhavha. Chisimbiso chakachengeteka chinochengetedza kuvimbika kwehurongwa uye chinodzivirira kurasikirwa kwemvura.
Iyo disc uye chigaro zvinoshanda pamwechete kugadzira yakakwana 0 kuvuza. Kunyanya, katatu offset butterfly mavharuvhu anovimbisa kuti mavharuvhu anoshanda nemazvo kunyangwe pakumanikidzwa kwakanyanya.
5. Kusiyana-siyana kwekushandiswa kwevhavhavhavhavhavhavha
Butterfly valves inopenya nekuda kwekusiyana-siyana kwavo. Dzinogona kuwanikwa pose panodiwa kudzora mvura yakavimbika.
Butterfly mavharuvhu anoshanda akasiyana maindasitiri. Masisitimu ekupa mvura, zvidyarwa zvekuchenesa tsvina zvinobatsira kubva pakuvimbika kwavo. Indasitiri yemafuta negasi inotsamira pamavharuvhu e butterfly kubata mvura dzakasiyana. Masisitimu ekudzivirira moto anoshandisa mavharuvhu e butterfly kuti apindure nekukurumidza. Indasitiri yemakemikari inoashandisa kunyatso kudzora zvinhu zvine njodzi. Zvigadzirwa zvekugadzira magetsi zvinotsamira pamavharuvhu e butterfly kuti ashande zvakanaka.
Mienzaniso iyi inoratidza kuti mavharuvhu eshavishavi anozadzisa sei zvinodiwa zvakasiyana zvemaindasitiri akasiyana. Unogona kuvimba butterfly mavharuvhu kuti ape yakavimbika kuita mune chero application.
6. Zvakanakira kushandisa ZFA butterfly mavharuvhu
6.1 Kuderedzwa kwemitengo
Kubhadhara mari yeZFA butterfly valves hazvirevi kuderedza kushandiswa kwezvinhu. Panzvimbo iyoyo, inoshandisa yakagadzika mutengesi wezvigadzirwa, ruzivo rwakapfuma rwekugadzira, uye yakakura kugadzira system kudzikisa mutengo wevashandi.
6.2 Yakanaka kwenguva refu yemari
Zvishandiso zvinoshandiswa muZFA butterfly mavharuvhu ndezvechokwadi, zvine miviri yevharuvhu yakakora, zvigaro zverabha zvemavharuvhu zvakachena, uye tsvina yesimbi isina tsvina. Izvi zvinovimbisa hupenyu hurefu hwebasa uye zvinoderedza kudiwa kwekutsiva. Haisi kungokubatsira iwe kuderedza zvinodiwa zvekugadzirisa, asiwo inoderedza kushandiswa kwemari inoshandiswa.
6.3 Yakakwana mushure mekutengesa sevhisi
Zfa butterfly valve vagadziri vanopa waranti nguva inosvika 18 mwedzi (kubva pazuva rekutumira).
6.3.1 Warranty nguva
Zvigadzirwa zvedu zvevhavhavhavhavha zvinonakidzwa nemwedzi gumi nemaviri garandi yemhando kubva pazuva rekutenga. Munguva iyi, kana chigadzirwa chikaonekwa chisina kunaka kana kukuvadzwa nekuda kwezvinhu kana matambudziko ekugadzira, zadza fomu rebasa (kusanganisira invoice nhamba, tsananguro yedambudziko uye mapikicha anoenderana), uye isu tichapa mahara kugadzirisa kana kutsiva sevhisi.
6.3.2 Tsigiro yehunyanzvi
Isu tinopa kure kure tekinoroji rutsigiro, kusanganisira chigadzirwa chekumisikidza nhungamiro, kudzidziswa kwekushanda uye kurudziro yekugadzirisa. Tichapindura mukati memaawa makumi maviri nemana.
6.3.3 Pa-site sevhisi
Mumamiriro ezvinhu akakosha, kana pa-saiti rutsigiro ruchidikanwa, matekiniki edu anoronga rwendo nekukurumidza sezvinobvira.