2.5 Plug valve

Plug valve ivharuvhu inoshandisa plug body ine buri sechikamu chekuvhura nekuvhara, uye muviri weplug unotenderera nedzinde revharuvhu kuti uwane kuvhura nekuvhara. Iyo plug valve ine chimiro chakareruka, kukurumidza kuvhura nekuvhara, kushanda kuri nyore, kushoma kwemvura inodzivirira, mashoma mashoma uye huremu huremu. Plug mavharuvhu anowanikwa akatwasuka-kuburikidza, matatu-nzira uye mana-nzira mhando. Iyo yakatwasuka-kuburikidza neplug valve inoshandiswa kucheka svikiro, uye nzira nhatu uye nzira ina-mavharuvhu evhavha anoshandiswa kushandura nzira yepakati kana kutsausa pakati.

2.6Butterfly valve

Butterfly valve iplate yeshavishavi inotenderera 90° ichitenderedza akisi yakamisikidzwa mumutumbi wevharuvhu kuti ipedze kuvhura nekuvhara basa. Butterfly mavharuvhu madiki muhukuru, akareruka muhuremu uye akareruka muchimiro, anongove nezvikamu zvishoma.

Uye inogona kuvhurwa nekuvharwa nekukurumidza nekungotenderera 90 °, iyo iri nyore kushanda. Kana vharuvhu yeshavishavi iri payakavhurika zvakazara, ukobvu hweshavishavi ndiro ndiyo chete inopikisa kana yepakati ichiyerera nepakati pemuviri wevharuvhu. Nokudaro, kudonhedzwa kwemhepo kunogadzirwa nevhavha iduku zvikuru, saka ine maitiro akanaka ekudzora kuyerera. Butterfly mavharuvhu akakamurwa kuita maviri ekuisa chisimbiso: elastic nyoro chisimbiso uye simbi yakaoma chisimbiso. Elastic sealing valve, rin'i yekuisa chisimbiso inogona kuiswa mukati memuviri wevharuvhu kana kusungirirwa kune periphery ye butterfly plate. Iyo ine yakanaka yekuisa chisimbiso uye inogona kushandiswa kupuruzira, yepakati vacuum mapaipi uye corrosive media. Mavharuvhu ane zvisimbiso zvesimbi kazhinji ane hupenyu hwesevhisi hwakareba kupfuura mavharuvhu ane elastic seal, asi zvakaoma kuwana chisimbiso chakazara. Iwo anowanzo shandiswa mumamiriro ezvinhu apo kuyerera uye kudonha kudonha kunochinja zvakanyanya uye yakanaka throttling performance inodiwa. Metal seals inogona kuenderana nepamusoro tembiricha yekushanda, nepo elastic seals ine iyo yakashata yekuganhurwa netembiricha.

2.7Tarisa vharafu

Cheki vharuvhu ivharuvhu inogona kudzivirira otomatiki kuyerera kwemvura. Iyo dhisiki yevhavhavhavha yekutarisa inovhura pasi pechiito chekumanikidza kwemvura, uye mvura inoyerera ichibva kudivi rekupinza kuenda kune yekubuda. Kana kudzvinyirirwa kudivi rekupinza kwakadzikira kupfuura kudivi rekubuda, dhisiki yevharuvhu inovhara otomatiki pasi pechiito cheiyo fluid pressure musiyano, giravhiti rayo uye zvimwe zvinhu kudzivirira fluid kuyerera ichidzoka. Zvinoenderana nechimiro chechimiro, inogona kukamurwa kuita yekusimudza cheki vharafu uye swing cheki vharafu. Iyo yekusimudza mhando ine chisimbiso chirinani uye yakakura kupikisa kwemvura kupfuura rudzi rwekuzunguza. Nokuda kwekupinza kwepombi yekusveta pombi, valve yepasi inofanira kushandiswa. Basa rayo nderekuzadza pombi inopinza pombi nemvura isati yatanga pombi; mushure mekumisa pombi, chengeta pombi inopinza uye pombi muviri wakazadzwa nemvura uchigadzirira kutanga zvakare. Ivhavhavha yepasi inowanzoiswa chete papombi yakatwasuka papombi inopinza, uye yepakati inoyerera kubva pasi ichienda kumusoro.

2.8Diaphragm valve

Chikamu chekuvhura nekuvhara chevharuvhu ye diaphragm irabha diaphragm, iyo inosungirirwa pakati pemuviri wevharuvhu nevhavhavhavhavha.

Chikamu chepakati chinobudikira chediaphragm chinogadzikwa pahunde yevharuvhu, uye muviri wevharuvhu wakaiswa rubber. Sezvo svikiro risingapindi mukati memukati wevhavhavhavha yevhavha, hunde yevharuvhu haidi bhokisi rekuisa. Iyo diaphragm valve ine chimiro chakareruka, yakanaka yekuisa chisimbiso kuita, kugadzirisa kuri nyore, uye kushomeka kwemvura kuramba. Diaphragm mavharuvhu akakamurwa kuva weir mhando, yakatwasuka-kuburikidza nemhando, kurudyi-kona mhando uye yakananga-kuyerera mhando.

3. Inowanzoshandiswa mirayiridzo yekusarudza valve

3.1 Mirairo yekusarudza vharafu yegedhi

Mumamiriro ezvinhu akajairika, mavhavha emagedhi anofanira kusarudzwa. Pamusoro pekukodzera chiutsi, oiri uye mamwe midhiya, mavharuvhu emagedhi akakodzerawo midhiya ine granular solids uye high viscosity, uye yakakodzera mavharuvhu mumhepo uye yakaderera vacuum masisitimu. Kune midhiya ine zvimedu zvakasimba, muviri wevharuvhu wegedhi unofanirwa kuve wakashongedzerwa negomba rimwe chete kana maviri ekuchenesa. Kune yakaderera-tembiricha midhiya, yakaderera-kupisa yakakosha mavharuvhu egedhi anofanira kusarudzwa.

3.2 Mirayiridzo yekusarudza mavharuvhu ekumisa

Iyo yekumisa vharafu inokodzera mapaipi ane lax zvinodiwa pakuramba kwemvura, ndiko kuti, kurasikirwa kwekumanikidza hakutariswe zvakanyanya, uye mapaipi kana zvishandiso zvine tembiricha yakanyanya uye yakanyanya kudzvanywa midhiya. Inokodzera chiutsi nemamwe mapaipi epakati ane DN <200mm; mavharuvhu madiki anogona kushandisa mavharuvhu akachekwa. Mavharuvhu, akadai semavharuvhu etsono, mavharuvhu ezviridzwa, mavharuvhu ekuenzanisa, mavharuvhu egeji, nezvimwewo; kumisa mavharuvhu ane kuyerera kwekugadzirisa kana kudzvanywa kwekugadzirisa, asi kugadzirisa kurongeka hakudiwi, uye dhayamita yepombi ishoma, saka vharafu yekumisa kana throttling valve inofanira kushandiswa Valve; Kune midhiya ine muchetura zvakanyanya, vharafu-yakavharwa yekumisa valve inofanirwa kushandiswa; zvisinei, vheji yekumisa haifaniri kushandiswa kune midhiya ine viscosity yakakwirira uye midhiya ine zvidimbu zvinowanzoita sedimentation, uye haifaniri kushandiswa sevhavha yemhepo uye valve mune yakaderera vacuum system.

3.3 Mirayiridzo yekusarudza vharafu yebhora

Mavharuvhu ebhora anokodzera kudzika-tembiricha, high-pressure, uye high-viscosity media. Mazhinji mavharuvhu ebhora anogona kushandiswa munhau ane akaturikwa akasimba zvimedu, uye anogona zvakare kushandiswa muupfu uye granular midhiya zvinoenderana nekuisa chisimbiso zvinhu zvinodiwa; yakazara-channel bhora mavharuvhu haana kukodzera kuyerera kwemutemo, asi akakodzera kune zviitiko zvinoda kukurumidza kuvhurwa nekuvhara, izvo zviri nyore kuita. Emergency cut-off munjodzi; kazhinji inokurudzirwa mumapaipi ane chisimbiso chakasimba, kupfeka, shrinkage chiteshi, kukurumidza kuvhura nekuvhara mafambiro, yakakwira-pressure cutoff (yakanyanya kudzvanywa musiyano), ruzha rushoma, gasification chiitiko, diki yekushandisa torque, uye diki diki kuramba. Shandisa mavharuvhu ebhora; bhora mavharuvhu akakodzera chiedza zvimiro, yakaderera-kumanikidza cut-offs, uye corrosive media; bhora mavharuvhu ndiwo zvakare akanyanya kunaka mavharuvhu epasi-tembiricha uye cryogenic media. Kune masisitimu epombi uye michina ine yakaderera-tembiricha midhiya, yakaderera-tembiricha bhora mavharuvhu ane mavharuvhu anovhara anofanira kushandiswa; sarudza Paunenge uchishandisa iyo inoyangarara bhora vharafu, iyo chigaro zvinhu inofanira kutakura mutoro webhora uye yekushanda svikiro. Mavharuvhu makuru-diameter ebhora anoda simba rakakura panguva yekushanda. Mavharuvhu ebhora ane DN ≥ 200mm anofanira kushandisa giya rehonye; yakagadziriswa bhora mavharuvhu akakodzera madhayamita makuru uye High-pressure mamiriro; uyezve, mavharuvhu ebhora anoshandiswa mukugadzira mapaipi emidziyo ine muchetura zvakanyanya uye midhiya inobvira moto inofanirwa kuve nemoto-uchapupu uye anti-static zvimiro.

3.4 Mirairo yekusarudza vharafu

Iyo throttle valve inokodzera nguva apo tembiricha yepakati yakadzikira uye kudzvanywa kwakakwira. Inokodzera zvikamu zvinoda kugadzirisa chiyero chekuyerera uye kudzvinyirira. Haikodzeri midhiya ine viscosity yakakwirira uye yakasimba particles, uye haina kukodzera kushandiswa sevhavha yekuzviparadzanisa nevamwe.

3.5 Plug valve yekusarudza mirayiridzo

Plug valve inokodzera zviitiko zvinoda kuvhurwa nekukurumidza nekuvhara. Kazhinji haikodzere chipfu uye chepakati nepamusoro tembiricha. Inoshandiswa kune yepakati ine yakaderera tembiricha uye yakakwirira viscosity, uye zvakare yakakodzera yepakati neyakaturikwa zvimedu.

3.6 Mirayiridzo yekusarudza vharafu yeButterfly

Butterfly mavharuvhu akakodzera mamiriro ane madhayamita akakura (akadai seDN﹥600mm) uye hurefu hwemagadzirirwo mapfupi, pamwe chete nemamiriro ezvinhu apo kuyerera kwekuyerera uye kuvhura nekukurumidza nekuvhara kunodiwa. Izvo zvinowanzo shandiswa kumvura, mafuta uye zvigadzirwa zvekumanikidza zvine tembiricha ≤80 ° C uye zvinomanikidza ≤1.0MPa. Mhepo nemimwe midhiya; nekuti kufirwa kwemavharuvhu eshavishavi kwakakura zvichienzaniswa nemavharuvhu egedhi uye mavharuvhu ebhora, mavharuvhu eshavishavi akakodzera kune masisitimu epombi ane akasununguka kudzvinyirira kurasikirwa zvinodiwa.

3.7 Tarisa mirairo yekusarudza vharafu

Cheki mavharuvhu anowanzo akakodzera midhiya yakachena uye haana kukodzera midhiya ine zvimedu zvakasimba uye yakakwirira viscosity. Kana DN ≤ 40mm, cheki cheki chepamusoro chinofanira kushandiswa (chete chinobvumirwa kuiswa pamapombi akatwasuka); kana DN = 50 ~ 400mm, swing lift cheki vharuvhu inofanira kushandiswa (inogona kuiswa pamapaipi ese akatwasuka uye akatwasuka, Kana akaiswa pane yakatwasuka pombi, yepakati inoyerera nzira inofanirwa kubva pasi kuenda kumusoro); apo DN ≥ 450mm, buffer cheki valve inofanira kushandiswa; apo DN = 100 ~ 400mm, wafer cheki valve inogonawo kushandiswa; swing check valve Ivhavha yekudzoka inogona kuitwa kuti ive nepamusoro-soro yekushanda, PN inogona kusvika 42MPa, uye inogona kushandiswa kune chero nzvimbo yekushanda uye chero ipi zvayo yekushisa kwekushanda zvichienderana nezvinhu zvehombodo uye zvisimbiso. Iyo yepakati imvura, chiutsi, gasi, corrosive medium, mafuta, mushonga, etc. Kushanda tembiricha yepakati iri pakati -196~800℃.

3.8 Diaphragm valve yekusarudza mirayiridzo

Iyo diaphragm valve inokodzera mafuta, mvura, acidic midhiya uye midhiya ine yakamiswa yakasimba ine tembiricha yekushanda isingasviki 200 ° C uye kumanikidza kuri pasi pe1.0MPa. Haina kukodzera organic solvents uye yakasimba oxidant media. Weir type diaphragm mavharuvhu anofanirwa kusarudzwa kune abrasive granular media. Pakusarudza weir type diaphragm valve, tarisa kuyerera kwayo maitiro tafura; viscous fluid, simende slurries uye precipitating media inofanira kushandisa yakatwasuka-kuburikidza nediaphragm mavharuvhu; kunze kwezvinodiwa chaizvo, mavharuvhu e diaphragm haafanire kushandiswa mumapaipi evacuum uye midziyo yevacuum.