Zita revhavha uye modhi yevhavha yemuenzaniso wekuenzanisa kwemhando dzevhavha, kushandiswa kwemavharuvhu akasiyana.

Zita revhavha uye modhi yevhavha yemuenzaniso wekuenzanisa kwemhando dzevhavha, kushandiswa kwemavharuvhu akasiyana-siyana Zita revhavha rinodanwa maererano neiyo nzira yekufambisa, fomu yekubatanidza, chimiro chechimiro, lining zvinhu uye mhando. , Muenzaniso 1: Kutyaira kwemagetsi, kubatanidza flange, gedhi rakapetwa rine tsvimbo yakavhurika wedge, chisimbiso chepamusoro pechigaro chevharuvhu chakanyatsogadziriswa nemuviri wevharuvhu, zita rekumanikidza PN = 0.1 MPa gedhi revhavhavha yemuviri zvinhu zvegrey cast iron: Valve zita Ivhavha ichave yakatumidzwa maererano nekutapurirana modhi, fomu yekubatanidza, chimiro chechimiro, lining material uye mhando, asi zvinotevera zvichasiiwa mumazita: 1) Fomu rekubatanidza: "flange". 2) Muchimiro chechimiro: A. Gedhi valve "stem", "elastic", "yakaoma" uye "gedhi rimwechete"; B. Cheka-kuburikidza nemhando yeglobe valve uye throttle valve; C. bhora vharafu "inoyangarara" uye "yakatwasuka-kuburikidza"; D. butterfly vharafu "vertical plate"; E. Diaphragm vharafu "rudzi rwedenga"; F. Plug valve "packing" uye "yakatwasuka-kuburikidza"; G. Chengetedza vharafu "yakatwasuka" uye "imwe flap"; H. "kusaisa chisimbiso" chevhavha yekuyamura. 3) Zita rezvinhu mukuvhara pamusoro pezvinhu zvechigaro chevharuvhu. Muenzaniso wemuenzaniso wevharuvhu uye nzira yekugadzirira zita Muenzaniso 1 Kutyaira kwemagetsi, kubatanidza kweflange, kuvhurika tsvimbo wedge mhando mbiri gedhi, chigaro chevhavha chisimbiso pamusoro pezvinhu zvinogadziriswa zvakananga nemuviri wevharuvhu, zita rekumanikidza PN = 0.1 MPa vharafu yemuviri igrey cast iron gedhi. vharafu: 2942 W-1 yemagetsi wedge mhando mbiri gedhi vharafu Muenzaniso 2: Manual, yekunze tambo yekubatanidza, inoyangarara bhora vharafu, yakatwasuka-kuburikidza, yekuisa chisimbiso pamusoro pezvinhu zvefluorine plastiki, zita rekumanikidza PN = 4.0mpa, zvinhu zvemuviri zve1 Cr18Ni9Ti: Q21f -40p yekunze tambo yebhora vharafu Muenzaniso 3 Pneumatic inowanzo kuvhurika, flange kubatana, denga remba, lining material yerabha lining, nominal pressure PN = 0.6mpa, valve body material for grey cast iron diaphragm valve: G6k41j-6 pneumatic inowanzovhurika rudzi rubber lining diaphragm valve Muenzaniso 4 Hydraulic butterfly valve, flange connection, vertical plate, chisimbiso pamusoro pechigaro chesimbi yakakandwa, kuvhara pamusoro pe disc irabha, zita rinomanikidzika PN-0.25mpa} Muviri wenyama igrey cast iron: D741 X-2.5 hydraulic butterfly valve Muenzaniso 5 Mota drive, welded connection, straight-through type, valve seat sealing surface material is hardfaced carbide, kushanda nesimba pa540 ℃ is 17 MPa, valve body material is chromium-platinum-vanadium steel globe valve: J961 Y-P54170 V Electric welded globe valve Kuenzanisa marudzi evharuvhu uye kushandiswa kwemavharuvhu akasiyana-siyana 1, nei vharafu yakachekwa ichifanira kusarudza chisimbiso chakaoma sezvinobvira? Iyo yakadzikira iyo valve yekudonha inodiwa, zviri nani, kudonha kwevhavha yakapfava yekuvharisa ndiyo yakaderera, iyo yekucheka mhedzisiro yakanaka, asi isingapfeki inodzivirira, isina kuvimbika. Kubva pane zvakapetwa kaviri zvekudonhedza kudiki uye kuiswa chisimbiso kwakavimbika, kuiswa chisimbiso kwakapfava hakuna kunaka sekusunga chisimbiso. Zvakadai sekushanda kwakazara kwe-ultra light valve, yakavharwa uye yakaputirwa ne-wear-resistant alloy kudzivirirwa, kuvimbika kwepamusoro, kudonha kwehuwandu hwe10-7, yakakwanisa kuzadzisa zvinodiwa zvevhavha yakachekwa. 2, nei vharuvhu yechisimbiso yakapetwa kaviri isingagone kushandiswa sevhavha yakachekwa? Kubatsira kwevaviri-seat valve spool ndiyo simba rekuenzanisa chimiro, ichibvumira hukuru hwekumanikidza musiyano, uye chakashata chayo ndechekuti nzvimbo mbiri dzekuisa chisimbiso hadzigone kusangana zvakanaka panguva imwe chete, zvichikonzera kuvuza kukuru. Kana iri yekugadzira, inosungirwa pazviitiko zvekucheka, zviri pachena kuti mhedzisiro yacho haina kunaka, kunyangwe ikaita kuvandudzwa kwakawanda (senge kaviri sealing sleeve valve), haidiwi. 3. Sei vharuvhu yezvigaro zviviri iri nyore kubvongodza kana uchishanda nekuvhura kudiki? Kune imwechete musimboti, kana yepakati yakavhurika kuyerera mhando, kugadzikana kwevharuvhu kwakanaka; Kana iyo yepakati yakavharwa mhando, kugadzikana kwevhavha kwakashata. Ivhavha yezvigaro zviviri ine spool mbiri, spool yepasi iri mukuyerera yakavharwa, spool yepamusoro iri mukuyerera yakazaruka, saka, mubasa diki rekuvhura, kuyerera kwakavhara spool kuri nyore kukonzera kudengenyeka kwevhavha, izvi ndicho chikonzero nei vharuvhu yezvigaro-mbiri isingagone kushandiswa padiki rekuvhura basa. + Straight stroke valve spore iri vertical throttling, uye yepakati yakachinjika kuyerera ichipinda nekubuda mukamuri yevharuvhu inoyerera chiteshi inofanira kutendeuka, kuitira kuti nzira yevharuvhu yekuyerera yave yakaoma kwazvo (chimiro senge inverted S type). Nenzira iyi, kune nzvimbo dzakawanda dzakafa, dzinopa nzvimbo yekunaya kwepakati, iyo, mukufamba kwenguva, inokonzera kuvhara. Angle stroke valve throttling direction ndiyo yakatwasuka nzira, yakatwasuka inoyerera ichipinda mukati, yakatwasuka kubuda, iri nyore kubvisa yakasviba yepakati, panguva imwe chete nzira yekuyerera iri nyore, yepakati pemvura nzvimbo idiki kwazvo, saka iyo Angle stroke valve inovharira. kuita kwakanaka. 5, nei yakatwasuka sitiroko inodzora vharafu hunde yakatetepa? Yakatwasuka sitiroko inodzora vharafu inosanganisira yakapfava mechanical musimboti: kutsvedza kukwesha, kukwesha kudiki. Yakatwasuka sitiroko vharafu hunde kumusoro uye pasi kufamba, kurongedza zvishoma kusimba, iyo inoisa iyo stem package yakasimba kwazvo, zvichikonzera mutsauko mukuru wekudzoka. Kuti izvi zviitike, iyo stem dhizaini idiki kwazvo, uye kurongedza kunowanzoshandiswa nediki friction coefficient ye ptfe kurongedza, kuitira kuderedza kudzoka musiyano, asi dambudziko nderekuti dzinde rakatetepa, nyore kukotama, uye hupenyu. yekurongedza ipfupi. Kugadzirisa dambudziko iri, nzira yakanakisisa ndeyokushandisa rotary valve stem, kureva, Angle sitiroko yemhando yevharuvha yekudzora, tsinde yaro pane yakatwasuka sitiroko tsinde gobvu 2 ~ 3 nguva, uye sarudza upenyu hurefu graphite kurongedza, stem kuoma kwakanaka, kurongedza. hupenyu hwakareba, torque yekukwesha idiki, diki musana. 6, nei iyo Angle sitiroko vharafu yakagura mutsauko wekumanikidza wakakura? Angle sitiroko vharafu inocheka mutsauko wekumanikidza wakakura, nekuti midhiya mune spool kana vharafu ndiro pane inoguma torque inogadzirwa neinotenderera shaft idiki kwazvo, saka, inogona kumirisana nehukuru hwekumanikidza musiyano. 7. Sei vharuvhu yesleeve yakatsiva vharafu yechigaro chimwe chete uye kaviri? Kuuya kwevharuvhu rema 1960s, ma1970 muhuwandu hwakawanda hwekushandiswa kwemumba nekune dzimwe nyika, kuiswa kwemidziyo yepetrochemical muma1980s sleeve valve yakaverengera reshiyo huru, panguva iyoyo, vanhu vazhinji vanotenda kuti vharafu inogona. kutsiva imwe, kaviri chigaro vharafu, kuva yechipiri chizvarwa zvigadzirwa. Kusvika iye zvino, izvi hazvisi izvo, mavharuvhu e-seat-seat, mavharuvhu ezvigaro zviviri, mavharuvhu emagetsi anoshandiswa zvakaenzana. Izvi zvinodaro nekuti sleeve valve inongovandudzwa throttling fomu, kugadzikana uye kugadzirisa zvirinani pane imwe chigaro vharafu, asi huremu hwayo, kuvharira uye kudonha zviratidzo uye imwe, kaviri chigaro vharafu, ingaite sei kutsiva imwechete, kaviri chigaro vharafu? Nokudaro, inogona kushandiswa chete pamwe chete. 8, sei kushandiswa desalination mvura svikiro rabha lined butterfly vharafu, fluorine lined diaphragm vharafu upenyu hupfupi? Iyo yepakati yemvura yakabviswa munyu ine acid yakaderera kana alkali, iyo ine ngura yakakura kune rabha. Kuora kwerabha kunoratidzwa sekuwedzera, kuchembera, kuderera kwesimba, uye kushandiswa kwevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhaswa ne diaphragm yakavharwa nerabha irombo, uye hunhu hwayo hunokonzerwa nerubha corrosion resistance. Mushure mekunge rabha rine mutsara diaphragm vharafu yavandudzwa kusvika kune fluorine lined diaphragm valve ine yakanaka corrosion resistance, asi diaphragm yefluorine lined diaphragm valve inoputsika nekupeta kumusoro uye pasi, zvichikonzera kukanganisa kwemagetsi, uye hupenyu hwevhavha hupfupi. Iye zvino nzira yakanakisisa ndeyokubata bhora revhavha nemvura, inogona kushandiswa kwe5 ~ 8 makore. 9. Sei mapiston actuators akawanda achishandiswa mumavharuvhu epneumatic? Kune mavharuvhu epneumatic, piston actuator inogona kushandisa zvizere mweya wemhepo, saizi yeactuator yakanyanya compact kupfuura mhando yefirimu, iyo inopinza yakakura, o-mhete mupiston inovimbika kupfuura firimu, saka. kushandiswa kwayo kuchawedzera uye kuwedzera. 10. Sei kusarudza kuchikosha kupfuura kuverenga? Kuverenga kwakakosha zvakanyanya uye kwakaoma pane kusarudzwa. Nekuti iyo kuverenga ingori yakapusa formula yekuverenga, iyo pachayo haibvi pane dhigirii reformula, asi nekurongeka kweiyo yakapihwa process paramita. Kusarudzwa kunosanganisira zvakawanda zvemukati, zvishoma kusava nehanya, zvinotungamirira kusarudzwa kusina kunaka, kwete kungokonzera kuparara kwevanhu, zvinhu uye mari, asiwo kushandiswa kwechigumisiro hakuna kunaka, kuunza matambudziko akawanda ekushandisa, akadai sekuvimbika. , hupenyu, hutano hwekushanda uye zvichingodaro.