Gedhi revhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhadziswa,inoshandiswa zvakanyanya,inonyanya kushandiswa mukuchengetedza mvura,metallurgy nemamwe maindasitiri, mashandiro ayo akasiyana siyana akazivikanwa nemusika, TWS mumhando uye tekinoroji yekutarisa nebasa rekuyedza kwemakore mazhinji, mukuwedzera pakuonekwa kwemavharuvhu emagedhi ane kumwe kutsvagisa, asiwo pakushandisa mavharuvhu emagedhi, kugadzirisa matambudziko uye kumwe kuchenjerera uye kumwe kutsvagisa.
Zvinoenderana neakasiyana maumbirwo emagedhi mavharuvhu, mavharuvhu emagedhi anogona kukamurwa kuita mapoka maviri: wedge mhando uye parallel mhando.
Iro regedhi revhavha yegedhi revhavha rakaita seweji, uye nzvimbo yekuisa chisimbiso inorerekera kumutsetse wepakati wegedhi, uye wedge pakati peplate regedhi uye chigaro chevharuvhu chinoshandiswa kuwana chisimbiso (kuvhara). Iyo wedge ndiro inogona kunge iri gedhi rimwechete kana gedhi kaviri.
Nzvimbo dzekuisa chisimbiso dzeparallel gedhi valve dzakafanana kune imwe neimwe uye perpendicular kune yepakati mutsara wechiteshi, iyo yakakamurwa kuva mhando mbiri: ine uye isina yekuvhura michina. Pane gondohwe rakapetwa kaviri rine simbi yekutsikisa, kana gondohwe richidzika, weji yemakondohwe maviri akaenzana inosimudzwa pamusoro pechigaro chevharuvhu nendege yakarerekera, mugero wekuyerera unochekwa, kana gondohwe richisimuka nekuvhurwa, wedge inopatsanurwa kubva panzvimbo inokwira gondohwe, gondohwe rinokwira kune imwe urefu, uye wedge inosimudzwa negondohwe pamubati. Kana gondohwe richitsvedza muchigaro chevharuvhu richitevedza zvigaro zvevharuvhu zviviri zvakafanana, kudzvanywa kwemvura kunoshandiswa kudzvanya gondohwe pamutumbi wevharuvhu padivi rekubuda revharuvhu kuti rivhare mvura.
Zvinoenderana nekufamba kwakasiyana kwechidzitiro chevharuvhu kana gedhi ravhurwa nekuvharwa, mavharuvhu emagedhi akakamurwa kuita mapoka maviri: anokwira stem gedhi mavharuvhu uye akavanzwa stem gedhi mavharuvhu. Dzinde revharuvhu negedhi rekusimuka kwegedhi revhavha inosimuka nekudonha panguva imwe chete pakuvhura kana kuvhara; apo yakavanzwa stem gedhi valve yakazarurwa kana kuvharwa, tsinde yevhavha inotenderera chete, uye kukwira nekudonha kwevhavha yevhavha haigoni kuonekwa, uye ndiro yevhavha inokwira kana kuwira. Mukana wekusimuka wetinhi regedhi vharafu ndewekuti kureba kwekuvhura chiteshi kunogona kutongwa nekukwira kwehunde hwevharuvhu, asi kureba kwakagarwa kunogona kupfupikiswa. Kana wakatarisana nevhiri reruoko kana mubato, shandura vhiri reruoko kana mubato wakatarisa wachi kuti uvhare vharuvhu.
2. Zviitiko uye nheyo dzekusarudza dzemavharuvhu emagedhi
01. Flat gedhi valve
Zviitiko zveflat gedhi mavharuvhu:
(1) Oiri nemapaipi gasi chaiwo. Flat gedhi mavharuvhu ane diversion maburi zvakare akanakira kuchenesa mapaipi.
(2) Mapaipi uye midziyo yekuchengetedza yemafuta akacheneswa.
(3) Oiri uye gasi rekugadzira zvitoro.
(4) Mapaipi ane yakamiswa particle media.
(5) City gasi kutapurirana mapaipi.
(6) Mapurojekiti ekupa mvura.
Kusarudzwa musimboti weiyo flat gedhi vharafu:
(1) Pamapaipi ekufambisa emafuta uye gasi rechisikigo, mavharuvhu egedhi replate ane gedhi rimwechete kana maviri anosarudzwa. Kana uchida kuchenesa pombi, sarudza vharanda regedhi rakashama rine gondohwe rimwe chete uye buri rekutsaudzira.
(2) Papombi yekufambisa uye midziyo yekuchengetedza yemafuta akacheneswa, vharanda regedhi rine gedhi rimwechete kana mbiri isina gomba rekutsaudzira rinosarudzwa.
(3) Yekushandisa pachiteshi chekushandisa chemafuta uye gasi rechisikigo, vharafu yegedhi ine imwechete kana mbiri yegedhi ndiro ine tsvimbo yakasviba chigaro chevharuvhu uye gomba rekuchinjisa inosarudzwa.
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(5) Pamapaipi ekufambisa gasi mumadhorobha, gedhi rimwe chete kana kaviri gedhi ndiro yakapfava yakavharika tsvimbo yakashama gedhi vharafu inosarudzwa.
(6) Pamapurojekiti ekupa mvura, gedhi rimwe chete kana kaviri gedhi vharafu isina gomba rekuchinjisa rakavhurika tsvimbo flat gedhi vharafu inosarudzwa.
02. Wedge gedhi valve
Wedge gedhi vharafu mavharuvhu ekushandisa zviitiko: mumhando dzakasiyana dzemavharuvhu, gedhi vharafu ndiro rinonyanya kushandiswa, rinowanzo kukodzera kuvhurika kwakazara kana kuvharika kwakazara, haigone kushandiswa kugadzirisa uye kupuruzira.
Wedge gedhi mavharuvhu anowanzoshandiswa munzvimbo dzisina kusimba zvinodiwa kune ekunze zviyero zvevhavha, uye mamiriro ekushandisa akanyanya kuomarara. Semuenzaniso, svikiro rekushanda rekupisa kwepamusoro uye kudzvinyirira kwakanyanya kunoda kuti zvikamu zvekuvhara zvivharwe kwenguva yakareba.
Kazhinji, kushandiswa kwepamusoro-soro, kushandiswa kwepamusoro-soro-kubvisa (kuremerwa kwakasiyana-siyana), kuderera kwepasi-kubvisa (kusiyana kwepakati), ruzha rushoma, cavitation uye vaporization, kutonhora kwepamusoro, kupisa kwepasi (cryogen), wedge gedhi valve inokurudzirwa. Semuenzaniso, inoshandiswa zvakanyanya muindasitiri yemagetsi emagetsi, kunyungudutsa petroleum, indasitiri yepetrochemical, mafuta ekumahombekombe, engineering yemvura yepombi uye engineering yekuchenesa tsvina mukuvaka kwemadhorobha, uye indasitiri yemakemikari.
Sarudzo musimboti:
(1) Zvinodiwa zvemhando yemvura yevharuvhu. Mavharuvhu egedhi anosarudzirwa mamiriro ekushanda ane kushoma kuyerera kwekupokana, simba rekuyerera kwakasimba, kunaka kuyerera maitiro uye yakasimba yekuisa chisimbiso zvinodiwa.
(2) High-temperature uye high-pressure medium. Zvakadai senge high-pressure steam, high-temperature uye high-pressure mafuta.
(3) Tembiricha yakaderera (cryogen) yepakati. Zvakadai semvura ammonia, liquid hydrogen, liquid oxygen uye mamwe midhiya.
(4) Kudzvinyirira kwakaderera uye dhayamita yakakura. Zvakadai semapurojekiti emvura yemupombi, mapurojekiti ekuchenesa tsvina.
(5) City gasi kutapurirana mapaipi.
(6) Mapurojekiti ekupa mvura.
Nheyo yekusarudza yeflat gedhi valve:
(1) Pamapaipi ekufambisa emafuta uye gasi rechisikigo, mavharuvhu egedhi replate ane gedhi rimwechete kana maviri anosarudzwa. Kana uchida kuchenesa pombi, sarudza vharanda regedhi rakashama rine gondohwe rimwe chete uye buri rekutsaudzira.
(2) Papombi yekufambisa uye midziyo yekuchengetedza yemafuta akacheneswa, vharanda regedhi rine gedhi rimwechete kana mbiri isina gomba rekutsaudzira rinosarudzwa.
(3) Yekushandisa pachiteshi chekushandisa chemafuta uye gasi rechisikigo, vharafu yegedhi ine imwechete kana mbiri yegedhi ndiro ine tsvimbo yakasviba chigaro chevharuvhu uye gomba rekuchinjisa inosarudzwa.
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(5) Pamapaipi ekufambisa gasi mumadhorobha, gedhi rimwe chete kana kaviri gedhi ndiro yakapfava yakavharika tsvimbo yakashama gedhi vharafu inosarudzwa.
(6) Pamapurojekiti ekupa mvura, gedhi rimwe chete kana kaviri gedhi vharafu isina gomba rekuchinjisa rakavhurika tsvimbo flat gedhi vharafu inosarudzwa.
02. Wedge gedhi valve
Wedge gedhi vharafu mavharuvhu ekushandisa zviitiko: mumhando dzakasiyana dzemavharuvhu, gedhi vharafu ndiro rinonyanya kushandiswa, rinowanzo kukodzera kuvhurika kwakazara kana kuvharika kwakazara, haigone kushandiswa kugadzirisa uye kupuruzira.
Wedge gedhi mavharuvhu anowanzoshandiswa munzvimbo dzisina kusimba zvinodiwa kune ekunze zviyero zvevhavha, uye mamiriro ekushandisa akanyanya kuomarara. Semuenzaniso, svikiro rekushanda rekupisa kwepamusoro uye kudzvinyirira kwakanyanya kunoda kuti zvikamu zvekuvhara zvivharwe kwenguva yakareba.
Kazhinji, kushandiswa kwepamusoro-soro, kushandiswa kwepamusoro-soro-kubvisa (kuremerwa kwakasiyana-siyana), kuderera kwepasi-kubvisa (kusiyana kwepakati), ruzha rushoma, cavitation uye vaporization, kutonhora kwepamusoro, kupisa kwepasi (cryogen), wedge gedhi valve inokurudzirwa. Semuenzaniso, inoshandiswa zvakanyanya muindasitiri yemagetsi emagetsi, kunyungudutsa petroleum, indasitiri yepetrochemical, mafuta ekumahombekombe, engineering yemvura yepombi uye engineering yekuchenesa tsvina mukuvaka kwemadhorobha, uye indasitiri yemakemikari.
Sarudzo musimboti:
(1) Zvinodiwa zvemhando yemvura yevharuvhu. Mavharuvhu egedhi anosarudzirwa mamiriro ekushanda ane kushoma kuyerera kwekupokana, simba rekuyerera kwakasimba, kunaka kuyerera maitiro uye yakasimba yekuisa chisimbiso zvinodiwa.
(2) High-temperature uye high-pressure medium. Zvakadai senge high-pressure steam, high-temperature uye high-pressure mafuta.
(3) Tembiricha yakaderera (cryogen) yepakati. Zvakadai semvura ammonia, liquid hydrogen, liquid oxygen uye mamwe midhiya.
(4) Kudzvinyirira kwakaderera uye dhayamita yakakura. Zvakadai semapurojekiti emvura yemupombi, mapurojekiti ekuchenesa tsvina.
(5) Nzvimbo yekuisa: kana iyo yekuisa kureba ishoma, yakasviba tsvimbo wedge gedhi valve inosarudzwa; Kana kureba kusingaganhurirwi, iyo yakavhurika tsvimbo wedge gedhi valve inosarudzwa.
(6) Chete kana inogona kuvhurwa zvizere kana kuvharwa zvizere, uye haigone kushandiswa pakugadzirisa uye throttling, wedge gedhi valve inogona kusarudzwa.
3. Kukanganisa kwakajairika uye kuchengetedza
01. Zvikanganiso zvinowanzoitika uye zvinokonzera mavhavha emagedhi
Mushure mekunge gedhi revhavha rinoshandiswa, matambudziko anotevera anowanzoitika nekuda kwekupisa kwepakati, kumanikidza, corrosion uye hukama hwekufamba kwega kwega.
(1) Leakage: Kune mhando mbiri, dzinoti external leakage uye internal leakage. Kuburikidza kune kunze kwevharuvhu kunonzi kuvuza, uye kuvuza kwakajairika mumabhokisi ekuisa zvinhu uye kubatanidza flange.
Chikonzero chekudonha kwebhokisi rekuputira: iyo yakasiyana-siyana kana mhando yekurongedza haina kusangana nezvinodiwa; Kuchembera kurongedza kana kuti stem kupfeka; Loose packing gland Kubvongodzwa pamusoro pehunde.
Chikonzero chekudonha kwekubatana kweflange: zvinhu kana saizi ye gasket haina kuzadzisa zvinodiwa; Husina kunaka hwekugadzirisa hweflange yekuisa chisimbiso chepamusoro; kusungirirwa kusina kunaka kwemabhoti ekubatanidza; Iyo pombi haina kurongeka zvakanaka, zvichikonzera kuwanda kwekuwedzera mitoro pamajoini.
Chikonzero chekubuda kwemukati kwevhavha: Kuputika kunokonzerwa nekuvhara kwekuvhara kwevhavha ndeyemukati wemukati, unokonzerwa nekukuvadzwa kwechisimbiso chekuvhara kwevhavha kana kuti midzi yakasununguka yemhete yekuvhara.
(1) Corrosion inowanzokonzerwa nekuora kwechisimbiso chepamusoro pemuviri wevharuvhu, chivharo chevharuvhu, dzinde revharuvhu uye flange. Corrosion inonyanya kukonzerwa nekuita kwepakati, asiwo mhedzisiro yekuburitsa ion kubva kune filler uye gasket.
(2) Abrasion: bhurasho repanzvimbo kana kusvuura chinhu chinoitika kana gondohwe nechigaro chevharuvhu zviri mukufamba kwakati pasi peimwe dzvinyiriro chaiyo.
02. Maintenance ofgedhi mavharuvhu
(1) Kugadziriswa kwekubuda kwekunze kwevhavha
Paunenge uchidzvanya kurongedza, bhoti yegland inofanirwa kuiswa musymmetrically kudzivirira gland kurereka uye kusiya mukaha wekumanikidza. Panguva imwecheteyo nekutsikirira kurongedza, chivharo chevhavha chinofanirwa kutenderedzwa kuita kurongedza kwakapoteredza yunifomu yevhavha yevhavha, uye kudzivirira kudzvinyirira kubva pakufa zvakanyanya, kuitira kuti kusakanganisa kutenderera kwevhavha yevhavha, kuwedzera kupera kwekutakura, uye kupfupisa hupenyu hwebasa. Iyo yepamusoro pevhavha inoputika, kuitira kuti svikiro rive nyore kubuda kunze, uye inofanira kugadziriswa kubvisa mavanga ari pamusoro pevhavha isati yashandiswa.
Nokuda kwekudonha kwekubatana kweflange, kana gasket yakakanganiswa, inofanira kuchinjwa; Kana zvinhu zvegasket zvisina kusarudzwa zvakanaka, zvinhu zvinogona kusangana nezvinodiwa zvekushandisa zvinofanira kusarudzwa; Kana iyo yekugadziridza kunaka kweiyo flange yekuisa chisimbiso yakashata, iyo flange yekuisa chisimbiso nzvimbo inofanirwa kubviswa uye kudzokororwa kusvika yave yakakodzera.
Pamusoro pezvo, kusungirirwa kwakafanira kwemabhaudhi eflange, kumisikidzwa zvakanaka kwepombi, uye kudzivirira mamwe mitoro yakawandisa pakubatana kweflange zvese zvinobatsira kudzivirira kubuda pajoinhi yeflange.
(2) Kugadziriswa kwekudonha mukati mevhavha
Kugadziriswa kwemukati memvura ndeyekubvisa kukanganisa kwechisimbiso chepamusoro uye chisimbiso chisina kusimba pamudzi (apo mhete yekuvhara inotsikirirwa mundiro yevharuvhu kana chigaro neshinda). Kana iyo yekuisa chisimbiso yakanyatsogadziriswa pamutumbi wevhavha uye ndiro yevhavha, hapana dambudziko remidzi yakasununguka uye kubuda.
Kana nzvimbo yekuisa chisimbiso ichikuvadzwa zvakanyanya, uye nzvimbo yekuvhara inoumbwa nemhete yekuvhara, mhete yekare inofanira kubviswa uye mhete itsva yekuvhara inofanira kugadzirirwa; Kana nzvimbo yekuisa chisimbiso ichigadzirwa zvakananga pamutumbi wevharuvhu, nzvimbo yakavharwa yekuvharisa inofanira kubviswa kutanga, uyezve mhete nyowani yekuisa chisimbiso kana nzvimbo yakagadzirwa nemuchina inofanira kugadzikwa munzvimbo itsva yekuisa chisimbiso. Kana zvikwambo, mapundu, kupwanya, dents uye kumwe kukanganisa kwenzvimbo yekuisa chisimbiso zvisingasviki 0.05mm, zvinogona kubviswa nekukuya.
Kana mhete yechisimbiso ichidzvanywa-mukati uye yakagadziriswa, PTFE tepi kana chena gobvu pendi inogona kuiswa pazasi pechigaro chevharuvhu kana seal ring groove, yobva yadzvanywa muchisimbiso kuita kuti mudzi wechisimbiso uzadzwe; Kana chisimbiso chaiswa, tepi yePTFE kana pendi chena inofanira kuiswa pakati peshinda kudzivirira mvura kuti isabude pakati peshinda.
(3) Kugadziriswa kwevharafungura
Kazhinji, muviri wevharuvhu uye bhoneti zvakasvibiswa zvakafanana, nepo hunde yevharuvhu inowanzovharwa. Pakugadzirisa, zvigadzirwa zvekuora zvinofanira kutanga zvabviswa, uye hunde yevharuvhu ine magomba egomba inofanira kugadziriswa pamucheka kuti ibvise kuora mwoyo, uye kurongedza kune inononoka-kusunungura agent inofanira kushandiswa panzvimbo pacho, kana kurongedza kunofanira kucheneswa nemvura yakasvibiswa kubvisa ions iyo ine mhepo inoparadza pahunde yevharuvhu mukutakura.
(4) Kugadziriswa kwebrasion panzvimbo yekuisa chisimbiso
Mukushandiswa kwevharafu, nzvimbo yekuisa chisimbiso inofanira kudziviswa kubva kune abrasion zvakanyanya sezvinobvira, uye torque haifaniri kunge yakakura zvikuru kana valve yakavharwa. Kana nzvimbo yekuisa chisimbiso ichiputika, inogona kubviswa nekukuya.
Chechina, kuonekwa kwemavharuvhu emagedhi
Mumusika wazvino nharaunda uye zvinodiwa nemushandisi, iron gedhi mavharuvhu anoverengera chikamu chikuru. Semuongorori wemhando yechigadzirwa, pamusoro pekuziva nezvekuongorora kwemhando yechigadzirwa, tinofanirawo kuve nekunzwisisa kwakanaka kwechigadzirwa chacho.
01. Nheyo yekuedza yesimbi gedhi mavharuvhu
Kuedzwa kwevhavha yegedhi resimbi kunobva pane yenyika standard GB/T12232-2005 "General Valve Flange Connection Iron Gate Valve".
02. Kuongorora zvinhu zvesimbi gedhi mavharuvhu
Kunyanya zvinosanganisira: mucherechedzo, diki madziro ukobvu, kudzvanywa bvunzo, goko bvunzo, nezvimwewo, iyo ukobvu hwemadziro, kumanikidza, goko bvunzo chinhu chakakosha chekuongorora, asiwo chinhu chakakosha, kana paine zvinhu zvisingaenderane, zvinogona kutongwa zvakananga sezvisina kukodzera zvigadzirwa.
Muchidimbu, kuongororwa kwemhando yezvigadzirwa chikamu chakakosha chekuongorora kwese kwechigadzirwa, kukosha kwayo kunooneka, sevashandi vepamberi vekuongorora, isu tinofanirwa kuramba tichisimbisa hunhu hwavo, kwete kuita basa rakanaka pakuongorora chigadzirwa, asiwo kuve nekunzwisisa kwekuongorora kwezvigadzirwa, kuitira kuti tiite basa rakanaka pakuongorora.
Tianjin Tanggu Mvura-Chisimbiso Valve Co., Ltdkunyanya kubudisa resilient akagarabutterfly valve,gedhi vharafu,Y-strainer, vharafu yekuenzanisa, cheki valve, vheji yekuenzanisa, kudzivirira kuyerera kwemashure nezvimwe.
Nguva yekutumira: Zvita-26-2024
