Zvakakosha kuchengeta aya mapoinzi mupfungwa nezvekugadzwa kwevharuvhu! Manotsi ekuisa mavharuvhu echiGerman epakutanga anounzwa kunze kwenyika
Unhu hwekuiswa kwevhavha hunobata zvakananga kushandiswa, saka kunyatsotarisisa kunofanira kubhadharwa kwairi.
(a) vharafu yekuisa nzira uye chinzvimbo
Mavharuvhu mazhinji ane gwara, senge globe valve, throttle valve, pressure reduction valve, check valve, etc., kana ikaiswa reverse, zvinokanganisa mashandisirwo ekuita uye hupenyu (senge throttle valve), kana kusashanda pa zvose (zvakadai sekumanikidza kuderedza vharafu), uye kunyange kukonzera ngozi (yakadai sevhavha yekuongorora). General valve, pane chiratidzo chekutungamira pamutumbi wevharuvhu; Kana zvisina kudaro, inofanira kunyatsozivikanwa maererano nemutemo wekushanda kwevhavha. Kamuri yevharuvhu yakatenderedza vharuvhu yepasirese ndeye asymmetrical, fluid kuti irege kubva pasi kuenda kumusoro kuburikidza nevharuvhu chiteshi, saka kupikisa kwemvura kudiki (kunotemerwa nechimiro), yakavhurika basa-inoponesa (nekuda kwepakati kudzvanywa kumusoro) , yakavharwa mushure mepakati pekumanikidza kurongedza, nyore kugadzirisa, ichi ndicho chikonzero valve yeglobe isingagoni kuisa chokwadi. Mamwe mavharuvhu ane maitiro awo.
Valve INSTALLATION POSITION, inofanira kunge iri nyore kushanda: KUNYANGE kana kuiswa kwacho kwakaoma kwenguva, asiwo nokuda kwebasa rekushanda kwenguva refu. Valve handwheel uye kurongeka kwechipfuva (kazhinji 1.2 metres kubva pauriri hwekushanda), kuitira kuti kuvhura uye kuvhara kwevhavha kusashanda zvishoma. Floor valve handwheel inofanira kunge yakatarisa kumusoro uye kwete kurereka kudzivirira kushanda kusina kunaka. Ivhavha yemuchina wemadziro zvinoenderana nemidziyo, uye mushandisi anofanirawo kusiiwa akamira. Kuti udzivise kushanda kwedenga, kunyanya asidhi uye alkali, toxic media, zvikasadaro haina kuchengetedzeka. The gedhi harifaniri inverted (ndiko kuti, handwheel iri pasi), zvikasadaro svikiro achachengetwa mubutiro nzvimbo kwenguva yakareba, nyore corrode hunde, uye zvimwe muitiro zvinodiwa taboo. Izvo zvakanyanya kusagadzikana kutsiva kurongedza panguva imwe chete. Vhura STEM GATE VALVES, USAISE pasi pevhu, zvikasadaro nekuda kwekunyorova kwehunde yakafumurwa. Simudza cheki vharafu, kuisirwa kuve nechokwadi kuti vharafu disc vertical, kuitira kuti kusimudza kuchinjike. Swing cheki vharafu, kana yaiswa kuti ive nechokwadi chekuti pini nhanho, kuitira kuti iite inoshanduka. Ivhavha yekudzikisa pressure ichaiswa yakatwasuka pane horizontal pombi, uye haizorerekera kune chero nzira.
(2) kuiswa kwevhavha uye kuvaka
Kuisa uye kuvaka kunofanira kuchenjerera, usarove valve yakagadzirwa nebrittle materials.
Kusati kwaiswa, VALVE INOFANIRA KUONGORORWA KUTI Utarise zvakatemwa UYE modhi kuti uone chero kukuvara, kunyanya yehunde. Uyewo shandura nguva shomanana kuti uone kana yakatsvedza, nokuti mukufambisa kwekufambisa, zviri nyore kurova skewed stem. Uyewo *** marara muvharuvhu.
PaKUSIMUDZA VAVIRI, TAMBO HAIFANIRI KUSENGERWA KURUOKO RWERUOKO KANA KUTI KUTI UDZIVIRIRE KUKANGANUKA KUZVITI IZVI. INOFANIRA KUSUNGAMIRIRWA KUFUNGA.
Mutsara uyo valve yakabatanidzwa inofanira kucheneswa. Mhepo yakadzvanywa inogona kushandiswa kuridza iron oxide filings, jecha, welding slag uye mamwe maturu. Aya marara, kwete nyore nyore kukwenya chisimbiso pamusoro pevhavha, iyo yakakura particles yemarara (yakadai sewelding slag), asiwo inogona kuvhara vharafu duku, kuitira kuti kukundikana kwayo. Paunenge uchiisa SCREW VALVE, KUSIMIRA KUSVIRA (WIRE NEAluminium mafuta OR PTFE RAW material belt) inofanira kuputirwa patambo yepombi, usapinda mukati mevhavha, kuitira kuti udzivise vhoriyamu yekuyeuka kwevhavha, inokanganisa kuyerera kwepakati.
Paunenge uchiisa flange mavharuvhu, teerera kuomesa mabhaudhi symmetrically uye zvakaenzana. Ivhavha yevhavha uye pombi flange inofanira kufanana, kujekesa kunonzwisisika, kuti vharafu irege kubudisa kudzvinyirira kwakanyanya, kunyange kutsemuka. Kune brittle zvinhu uye kwete simba rakakwirira revhavha, kunyanya kukoshesa kunofanira kubhadharwa. Ivhavha inosungirirwa nepombi ichave yakasvibiswa kutanga, ipapo chikamu chakavharwa chichavhurwa zvakakwana, uye ipapo welded yakafa.
(3) matanho ekudzivirira vharafu
Mamwe mavharuvhu anofanirwawo kuve nekudzivirirwa kwekunze, kunova kuchengetedza kupisa uye kuchengetedza kutonhora. Iyo insulation layer dzimwe nguva inosanganiswa nemitsetse yemhepo inopisa. Ndeupi rudzi rwevhavha runofanira kupisa kana kutonhora, maererano nezvinodiwa zvekugadzira.
In musimboti, apo svikiro svikiro kuderedza tembiricha yakawandisa, kuchakanganisa kugadzirwa kunyatsoshanda kana chando vharafu, unofanira kuramba ichidziya, kunyange kusanganisa kupisa; Ipo vharafu isina kushama, inopesana nekugadzirwa kana kukonzera chando uye zvimwe zvakashata zviitiko, unofanirwa kugara uchitonhora. Insulation zvinhu ndeye asbestos, slag wool, girazi mvere, perlite, diatomite, vermiculite, nezvimwewo; Zvinhu zvinotonhora ndezve cork, perlite, foam, plastiki uye zvichingodaro.
(4) Bypass uye chiridzwa
Mamwe mavharuvhu, kuwedzera kune anodiwa ekudzivirira zvivako, anewo bypass uye instrumentation. Kupfuura kwakaiswa. Zviri nyore kugadzirisa musungo. Mamwe mavharuvhu, akaiswawo bypass. Kuiswa kwebypass kunoenderana nemamiriro evharuvhu, kukosha, uye zvinodiwa zvekugadzira.
(5) Kutsiva kurongedza
Stock valve, kumwe kurongedza kwave kusina kunaka, uye zvimwe hazvienderane nekushandiswa kwemidhiya, inoda kutsiva kurongedza.
Fekitori yevhavha haigone kufunga nezve kushandiswa kwezviuru zvemhando dzakasiyana dzemidhiya, bhokisi rekurongedza rinogara rakazadzwa neyakajairwa mudzi, asi kana rashandiswa, rinofanira kurega kurongedza mukati kuti rigadzirise.
Paunenge uchitsiva kurongedza, dzvanya mukati kutenderera nekutenderera. Imwe neimwe mhete seam kusvika 45 madhigirii yakakodzera, mhete uye mhete yakazaruka 180 madhigirii. Kureba kwekutakura kunofanirwa kufunga nezve nzira yekuti gland irambe ichidzvanya, uye zvino zvakakosha kuti chikamu chezasi chegland chitsikidze kamuri yekurongedzera kusvika pakadzika kwakakodzera, iyo inogona kunge iri 10-20% yehupamhi hwese. kurongedza chamber. Pamavharuvhu anodaidzira, iyo yejoini Angle i30 madhigirii. Musono pakati pemhete nemhete inodzika 120 madhigirii. Pamusoro pekurongedza, asi zvakare zvinoenderana nemamiriro chaiwo, kushandiswa kwerabha O-ring (rabha remasikirwo rinopesana ne60 madhigirii Celsius asina simba alkali, butadiene rabha rinopesana ne80 madhigirii emafuta ekristaro, Fluorine rabha rinopesana nemhando dzakasiyana dzekuora. midhiya iri pazasi pe150 madhigirii celsius) matatu akaturikidzana polytetrafluoron mhete (inoshingirira kune zvinoodza media zviri pasi pe200 madhigirii celsius) mhete yendiro yenaironi (inodzivirirwa kusvika 120 madhigirii Celsius ammonia, alkali) nezvimwe zvinogadzira filler. Mutsara weTEflon raw material tepi unogona kuvandudza chisimbiso mhedzisiro uye kuderedza electrochemical corrosion yevhavha hunde.
Paunenge uchidzvanya chirungiso, shandura dzinde panguva imwe chete kuti urambe wakatenderedza zvakaenzana, uye kudzivirira kufa zvakanyanya, simbisa gland kumanikidza zvakaenzana, haigone kurereka.
Manotsi ekuisa mavharuvhu echiGerman epakutanga anounzwa kunze kwenyika
Usati waiswa valve, ita shuwa kuti valve inosangana nezvinodiwa zvekugadzira uye zviyero zvinoenderana.
Paunenge uchibata nekuisa mavharuvhu, chenjerera mapupu uye zvikweshwa
Usati WAISA VALVE, MUKATI PEPIPELINE INOFANIRA kucheneswa KUBVISA tsvina yakaita semapepa esimbi kudzivirira chigaro chevhavha chivharo kubva kune dzimwe nyika. Mukuwedzera, valve inofanira kuiswa munzvimbo yakavharwa.
Kusimudza valve kushanda. Iyo valve ICHASIMURWA ZVAKAKODZERA PANE CHINHU CHAKAKUSIMUSA, UYE HAICHASIMUDZIDWE KANA KUDZWA PASI pesimba renzvimbo.
Paunenge uchiisa valve, zvinodikanwa kuti uone kana kuyerera kwemukati, fomu yekuisa uye chinzvimbo chehandwheel inoenderana nemirairo.
Kuiswa kweflanged mavharuvhu ekubatanidza
(1) Iyo flange pamusoro pevharuvhu uye pombi haifanirwe kuve isina kukuvara, mavanga, nezvimwe, uye igare yakachena. Kunyanya kushandiswa kwesimbi gaskets (oval kana octagonal chikamu), flange grooves uye gaskets inofanira kuenderana,
Inofanira kunge yakaputirwa nemutobvu mutsvuku kuti ive nechokwadi chekuisa chisimbiso chayo chakanaka.
(2) The perpendicularity of the flange surface on pombi uye mutsara wepakati wepombi uye kukanganisa kwegomba rebhoti reflange rinofanira kunge riri mukati mehuwandu hwehuwandu hunobvumirwa. Valve uye pombi yepakati mutsetse inofanirwa kuenderana isati yaiswa.
(3) Kana uchibatanidza maflange maviri, chekutanga, iyo flange yekuisa chisimbiso kumeso uye gasket inofanira kudzvanywa zvakaenzana, kuitira kuti ive nechokwadi chekuti flange yakabatana nekufanana kwebhaudhi kushushikana.
(4) Pakusunga mabhaudhi, shandisa chipanera chinofanana nenzungu. Paunenge uchishandisa kudzvanywa kwemafuta uye pneumatic maturusi ekusimbisa, teerera kuti usapfuure iyo yakataurwa torque.
(5) Kusungirirwa kweflange kunofanira kudzivisa simba risina kuenzana, uye inofanira kusimbiswa kuitira kuti iende kune symmetry uye kuenderana.
(6) Mushure mekuisa flange, ita shuwa kuti mabhaudhi nenzungu dzakasimba uye dzakafanana.
(7) Zvinhu zvemabhoti uye nzungu zvinofanira kusangana nemitemo. Mushure mekutsanya, musoro webhaudhi unofanirwa kuburitswa kubva kune nati mbiri pitch yakakodzera.
(8) Bolt uye screw fastening, kuitira kudzivirira vibration kunokonzerwa nekusunungura, kushandisa gaskets. Kuti udzivise kunamatira pakati peshinda pakupisa kwepamusoro, zvikamu zveshinda zvinofanirwa kuputirwa ne-anti-adhesion agent (molybdenum disulfide) panguva yekuisa.
(9) Pamavharuvhu etembiricha ari pamusoro pe300 madhigirii celsius, mushure mekunge tembiricha yakwira, mabhaudhi ekubatanidza maflange, mabhaudhi ekuvharisa evhavhavhavha, mabhaudhi anosimbisa chisimbiso uye kurongedza mabhaudhi evhavha yekumanikidza anofanira kusimbiswa zvakare.
(10) Iyo yakaderera tembiricha vharafu inoiswa mumamiriro ekupisa kwemuchadenga. Mukushandiswa kunoshanda, kana iyo yepakati ichipfuura, inova yakaderera tembiricha mamiriro. Nekuda kwekugadzirwa kwekusiyana kwekushisa, flanges, gaskets, mabhaudhi uye nzungu, nezvimwewo, inoderera, uye nekuti zvinhu zvezvikamu izvi hazvina kufanana, mutsara wavo wekuwedzera coefficient wakasiyanawo, uchigadzira nyore kwazvo kudonhedza mamiriro ekunze. Kubva pane akasiyana chinangwa mamiriro, kana kuomesa mabhaudhi pakupisa kwemuchadenga, zvinodikanwa kutora torque iyo inofunga nezve contraction zvinhu zvechikamu chimwe nechimwe pakudziya kwakaderera.
Nguva yekutumira: Sep-06-2022
