Valve yakajairika dambudziko ongororo yakaderera kabhoni simba rekuchengetedza vharafu chigadzirwa tekinoroji sumo
Ivhavha yekucheka inofanira kunge yakavharwa zvakasimba sezvinobvira
Iyo yakadzikira iyo inodonha inodiwa yevharuvhu yakachekwa, zviri nani kubuda kwevhavha yakapfava yekuvharisa ndiyo yakadzikira, iyo yekucheka-yakagadziriswa yakanaka zvechokwadi, asi isingapfeki-inomira, kusavimbika. Kubva pakudonhedza uye kudiki, kuvharika uye kuvimbika kaviri mwero, zvinyoro zvisimbiso zvakachekwa zviri nani pane chakaoma chisimbiso chakagurwa. Zvakadai sekuzara-kushanda kwe-ultra-light regulating valve, yakavharwa uye yakarongedzwa ne-wear-resistant alloy protection, kuvimbika kwepamusoro, kudonha kwehuwandu hwe10-7, yakakwanisa kuzadzisa zvinodiwa zvevhavha yakachekwa.
Kaviri chisimbiso vharafu haigoni kushandiswa sevhavha yakachekwa
Kubatsira kwevaviri-seat valve spool ndeyokuti simba rekuenzanisa chimiro chinobvumira kusiyana kwekumanikidza kuti kuve kwakakura, nepo kushata kwayo kwakanyanya ndeyekuti nzvimbo mbiri dzekuisa chisimbiso hadzigone kusangana zvakanaka panguva imwe chete, zvichikonzera kudonha kukuru. Kana iyo yakagadzirwa uye yakashandiswa nechisimba kugura chiitiko, zviri pachena kuti mugumisiro wacho hauna kunaka, kunyange kana wakagadzirisa zvakawanda (zvakadai sevhavha yevhavha yevhavha yechisimbiso), haisi kudiwa.
Ivhavha yezvigaro zviviri iri nyore kubvongodza kana uchishanda nekuvhura kudiki
Kune imwechete musimboti, kana yepakati ichiyerera yakavhurika mhando, iyo vharafu kugadzikana kwakanaka; Kana iyo yepakati ichiyerera yakavharwa, kugadzikana kwevhavha kwakashata. Ivhavha yechigaro chechipiri ine spool mbiri, spool yepasi iri mukuyerera yakavharwa, spool yepamusoro iri mukuyerera yakazaruka, saka, mubasa diki rekuvhura, kuyerera kwakavharwa mhando spool iri nyore kukonzera kudengenyeka kwevhavha, izvi ndicho chikonzero nei vharuvhu yechigaro cheviri isingagone kushandiswa padiki rekuvhura basa.
Iyo anti-blocking performance yeiyo yakatwasuka sitiroko vharafu haina kunaka, uye iyo anti-blocking performance yeAngle stroke valve yakanaka.
Straight stroke valve spool iri vertical throttling, uye yepakati yakachinjika kuyerera ichipinda nekubuda mukamuri yevharuvhu inoyerera chiteshi inofanira kudzokera kumashure, kuitira kuti nzira yekuyerera yevharuvhu ive yakaoma kwazvo (chimiro senge inverted S-type). Nenzira iyi, kune nzvimbo dzakawanda dzakafa, dzinopa nzvimbo yekunaya kwepakati, uye nekufamba kwenguva, inokonzera kuvhara. Marongero eAngle stroke valve throttling ndiyo nzira yakachinjika, yepakati inoyerera ichipinda nekubuda yakachinjika, uye zviri nyore kubvisa svikiro. Panguva imwecheteyo, nzira yekuyerera iri nyore, uye nzvimbo yepakati yekunaya ishoma, saka iyo Angle stroke valve ine yakanaka yekuvharira kuita.
Sei tsinga yevharuvhu yekudzora yakatwasuka yakatetepa?
Inosanganisira yakapfava mechanicha musimboti: hombe kutsvedza kukweshera uye kudiki diki. Straight sitiroko vharafu hunde kumusoro uye pasi kufamba, kurongedza zvishoma akatsikirirwa zvishoma, zvichaita kuisa vharafu hunde akaputirwa zvakasimba, kubudisa yakakura musana musiyano. Nokuda kwechikonzero ichi, chidzitiro chevhavha chakagadzirirwa kuva chiduku zvikuru, uye kurongedza kunowanzoshandiswa nekadiki kadiki ye friction PTFE packing, kuitira kuti kuderedza kuseri kwemashure, asi dambudziko nderokuti tsinde yevhavha yakaonda, iri nyore kukotama. , uye hupenyu hwekurongedza hupfupi. Kuti ugadzirise dambudziko iri, nzira yakanakisisa ndeyokushandisa tambo yevhavha yekufamba, kureva, Angle sitiroko yevhavhavhavha, tsinde yaro yevhavha inosvika 2 ~ 3 nguva yakakura kudarika tambo yakananga yevhavhavha, uye kusarudzwa kwenguva refu. -hupenyu graphite kurongedza, kuomarara kwetsinde kwakanaka, kurongedza hupenyu hwakareba, iyo friction torque idiki, diki kudzoka musiyano.
Kusiyana kwekumanikidzwa kweAngle stroke type valve yakakura
Angular sitiroko yerudzi rwevharuvhu yakacheka kudzvanya musiyano yakakura, nekuti yepakati mune spool kana vharafu ndiro inokonzeresa simba pane inotenderera shaft torque idiki kwazvo, saka, inogona kumirisana nekumanikidza kukuru mutsauko.
Socket valves pane imwe chete - uye maviri-seat valves haana kushanda
Iyo sleeve valve, iyo yakabuda muma1960s, yakashandiswa zvakanyanya kumba nekune dzimwe nyika muma1970. Muchigadzirwa chepetrochemical chakaunzwa muma1980, vharafu yesleeve yakaverengera reshiyo huru. Panguva iyoyo, vanhu vazhinji vaitenda kuti vharafu inogona kutsiva imwe uye kaviri chigaro vharafu uye ive yechipiri chizvarwa chezvigadzirwa. Nhasi, izvi hazvisizvo, vharafu yechigaro chimwe chete, vheji yechigaro chechipiri, sleeve valve inoshandiswa zvakaenzana. Izvi zvinodaro nekuti sleeve valve inongovandudza throttling fomu, kugadzikana uye kugadzirisa zvirinani pane imwe chigaro vharafu, asi huremu hwayo, kuvharira uye kudonha zviratidzo zvinopindirana neiyo imwechete uye kaviri chigaro vharafu, ingaite sei kutsiva imwechete uye kaviri chigaro vharafu. ? Saka, inofanira kugoverwa.
Desalting mvura svikiro uchishandisa rabha lined butterfly vharafu, fluorine lined diaphragm vharafu upenyu hupfupi sevhisi
Desalting yemvura yepakati ine yakaderera kusanganiswa kweasidhi kana alkali, ivo vane corrosion yakakura kune rabha. Kuora kwerabha kunoratidzwa nekuwedzera, kukwegura uye kuderera kwesimba. Iko kushandiswa kwevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhafavorwa nediaphragm yakavharwa nerabha haina kunaka. Chinokosha ndechekuti rabha haidzivirirwe nekuora. Mushure mekunge rubber lining diaphragm valve yavandudzwa kusvika pakudzivirirwa kwekuora kwefluorine lined diaphragm valve, asi diaphragm yefluorine yakavharidzirwa diaphragm valve haigoni kusimuka uye pasi ichipeta uye yakatyoka, zvichikonzera kukanganisa kwemagetsi, hupenyu hwevhavha hupfupi. Iye zvino nzira yakanakisisa ndeyokushandisa mvura yekurapa bhora valve, inogona kushandiswa kwemakore mashanu kusvika ku8.
Pneumatic vharafu piston actuator kushandiswa kuchawedzera uye kuwanda
Kune pneumatic valve, iyo piston actuator inogona kushandisa zvizere mweya wemhepo kumanikidza, saizi ye actuator idiki pane iyo firimu, iyo inosimudzira yakakura, iyo O-ring mupiston inovimbika kupfuura iyo firimu, saka ichaita. kushandiswa zvakanyanya uye zvakanyanya.
Sarudzo yakakosha kupfuura kuverenga
Kuverenga uye kusarudzwa zvichienzaniswa, kusarudzwa kwakakosha zvakanyanya, zvakanyanya kuoma. Nekuti iyo kuverenga ingori yakapusa formula kuverenga, iyo pachayo haina zvinoenderana nechiyero cheiyo fomula, asi zvinoenderana nekurongeka kweiyo yakapihwa maitiro paramita. Kusarudzwa kunosanganisira zvakawanda zvemukati, kusava nehanya zvishoma, kuchaita kuti kusarudzwa kusina kunaka, kwete kungokonzera kuparara kwevashandi, zvinhu zvehupfumi, mari, uye kushandiswa kwemigumisiro haina kunaka, kuunza matambudziko akawanda ekushandisa, akadai sekuvimbika. , hupenyu, hutano hwekushanda, nezvimwe.
Masikati emusi waGunyana 1, mu "2010 Shanghai (Yechipiri) Mvura Indasitiri Yekupisa Forum" yakaitirwa neChina Water Network, Shanghai Municipal Engineering Design uye Research Institute, tsvina yemumaguta, Shanghai Municipal Drainage Co., LTD., uye China Association ye Sainzi neTekinoroji, Zhengzhou Zheng Butterfly valve Co., LTD. Injiniya mukuru Zhao Guoxi akaunza akati wandei akaderera kabhoni simba rekuchengetedza chigadzirwa tekinoroji.
Zhao Guoxi yakaunza matatu matsva emhando dzevharuvhu, dzinoti eccentric hafu bhora vharafu, oblique chigaro chakaoma chisimbiso chinononoka kuvhara cheki cheki vharafu uye yakazara kumanikidza yakakwira yekumhanyisa vharafu.
Iyo eccentric hemisphere valve body inotora chimiro chebhora, kuomarara kwakanaka, kusimba kwakakwira; Ivhavha disc inotora hemispherical structure, shaft yevhavha inotora semi-axial chimiro, uye diski yevhavha inotenderera 90 ° kana yakavharwa zvakakwana uye yakazarurwa zvakakwana. Mumamiriro akazaruka zvakakwana, dhisiki yevhavha yose inopinda mukati memuviri wemuviri, kuitira kuti mukamuri yemukati yevhavha yose isina kuvharwa. Valve muviri uye vharafu disc sealing pamusoro, uchishandisa yakaoma alloy surfacing tekinoroji, kuomarara kwepamusoro, kushomeka kwepamusoro, inogona kucheka simbi yepakati kana yerukwa sundries; Inogona kuramba scouring ye slurry kana granular kuyerera kwepakati. Inogona kubvisa tsvina kubva pakuvhara pamusoro. Valve disc inotora yakakura eccentricity chimiro, chisimbiso chepamusoro chisina frictionless yakavhurika uye yakavharika, inochinjika switch, hupenyu hurefu hwesevhisi. Iyo valve shaft seal inogadzirwa neinochinjika graphite mhete kana O-ring. Iyo shaft chisimbiso inogona kutsiviwa uye kugadziridzwa pasina kubvisa mudziyo wekutyaira.
Chigaro chakakomberedzwa chakaoma chisimbiso chinononoka kuvhara cheki cheki chigaro chevharuvhu chakarerekera, kuvhurika kwevharuvhu nekuvhara sitiroko ipfupi, kuvhura nekuvhara kuita kwakanaka. Butterfly plate ine mbiri yakarerekera chimiro, iyo valve kuvhura uye kuvhara kufamba kunonzwisisika. Stainless simbi simbi yakaoma seal pair, hupenyu hurefu hwebasa, kugadzirisa kwemahara kutsiva. Ivhavha yekamuri yekugadzira zvinhu zvine maitiro akanaka ekuyerera, kushoma kuyerera kwekudzivirira uye kuchengetedza simba. Kukurumidza uye kunonoka kuvhara, kunogona kudzivirira zvinobudirira sando yemvura. Butterfly plate/valve shaft yakavhurika uye inovharika inochinjika, isina kunamira.
Iva nekumanikidzwa kwepombi yekupemha pombi dambudziko, makumi emakore epasi rose matambudziko ehunyanzvi, nekuda kwekumanikidzwa kwepombi yemvura pombi inopedza tsvina, gasi mvura inoyerera zvikamu zviviri uye kushanda kwakagadzikana, sando yemvura mupombi cutoff bhiriji, kudzvanywa kwayo kazhinji kusvika 200 ~ 400 m mvura column. , kumwe kuverenga kweinjiniya, kunyange makiromita angada kusvika, akakwana kukonzera chero * * madhigirii ekukuvadzwa kwepombi yemvura. Kutaura zvazviri, mapurojekiti makuru ekufambisa mvura uye tsaona dzepombi dzemvura dzemumaguta dzakawanda. Zvinoenderana nedata rakakodzera, maguta makuru eChina akadai seBeijing, Shanghai, Hong Kong uye mamwe pombi yemvura pombi network yakaputika kanenge ka2000, dunhu reguta guru repagore rakaputika kanenge ka1000, chikonzero chikuru pamvura ndiko kupera. haisi yemahara. Chinangwa chetsvakiridzo pamusoro pekumanikidza kuzere kumhanyisa kumhanyisa vharafu ndeyekugadzirisa dambudziko remhepo kupera kwepombi yekumanikidza yemvura yekumanikidza haina kuchena uye isina kugadzikana, uye kuderedza kana kubvisa zvachose chirwere chakasindimara chepombi yemvura yemudhorobha. kuputika.
Yakazara yekumanikidza yakakwira yekumhanyisa vharafu inogona kunge iri mukumanikidza pombi yemvura uye gasi chikamu pasi pekuyerera kwakafanana, haiburitse "rutsigiro rwemhepo", inogona kuenderera mberi nekumhanya kwekupedza vharafu; Hapana kudikanwa kwemanyorero ebetsero etsi, inogona kunge yakakwira-kumhanya kubuda chero yakaoma pombi gasi zvechokwadi otomatiki enhist vharafu; Iine basa rekuputira rinoenderana nezvinodiwa zvedzidziso yekudzivirira nyundo yemvura, uye ine mhedzisiro yakanaka mukudzivirira kutanga kwepombi yemvura sando, kumisa nyundo yemvura yepombi uye kubvisa kukuvadzwa kwepipeline pressure oscillation; Chisimbiso chekupedza chiri mberi uye chinonzwisisika, chinokunda kukanganisa kwekuita kwevhavhavhavha yemagetsi inowanzoita mvura yakawanda.
Nguva yekutumira: Jul-29-2022
