Zvivharo zvekuvhara-chii ichocho? Device, application

Izwi rokuti "valve yokuvhara" rinoreva maitiro anodzora simba rekuyerera kune rimwe divi. Kazhinji kacho, zvigadziro zvevhagivha dzinomira zviripo pamapayipi. Zvadaro, tichazoona kuti ndeapi mavhavha akaparadzaniswa, kuti chii uye kuti chinoshandiswa sei.

Mavheti okuvhara pamapipeline anoshumira kudzora kubuda kwemvura kana gasi. Inokwanisa kutonga kuderera mumagadziro emipayipi kubva pakuderera kwekugovera zvishoma kusvika pakuguma kwakakwana.

Mimwe mhando yemidziyo iyi:

• Ita sesu resimbi masuo;
• Zvigadziro zvekudzivirira;
• Granes;
• Disc disc.

Chikamu chekushandiswa

Zvose izvi zvinowanzoshandiswa muunyanzvi hwekugadzira uye zvinogona kugadzirwa zvose nekuda kwekugadzira zvekushandisa uye yekushanda mumamiriro ezvinhu chaiwo. Kana iyo valve inoshandiswa chete kupfigira zvachose kuvhara, magetsi ekuvhara (valve nemagetsi) haagoni kungodzivisa kuderera, asiwo kudzora kushanda kwayo.

Device

Maikirwe ese anovhara ane maitiro akafanana. Ichi chakavharwa chisimbiso chakavharwa umo gungano revhavha riripo. Muchiitiko chacho kakawanda pane maviri (mune dzimwe nguva zvimwe) kuguma, nenzira iyo yakanyatsobatanidzwa pipeline. Icho chinangwa chekuvhara chikwata ndicho kupatsanurwa kwechisimbiso chemaipi yepipeline muzvikamu. Mukugadzirwa kwayo kune chigaro chechirasi uye chekuvhara, nguva dzose ichibata zvisimbiso.

Granes

Granes inoshandiswa pakuiswa pamapayipi nemvura, steam uye gas carriers. Izvo zvinoratidzirwa nehuwandu hwemakiromita (1-9 kg) uye yakadzika kushandiswa. Iyo yakareba ye crane inogona kubva kubva pa1 kusvika ku3 masendimita. Mhando dzakajairika dzemakorani, akadai sebhokisi uye gorosi. Maererano nenzira yekuiswa mucherechedzo, iwo gland uye kukanganisa.

Kuwirirana kweganeti kusvika kumapayipi kunoitwa nenzira ye flange, kubatanidzwa kana kuisungirira. Gomba remagesi rinoshandisa gesi kupindirana. Izvo zvinhu zvavari kwavari inokandwa dare. Kuti ivimbise kuwirirana kwepayipi kune crane, kusunganidzwa kwakatorwa kunodiwa. Gasivha yemagasi yakagadzirirwa kushanda pakamanikidzwa kwe 0.1 MPa uye kupisa kusvika kusvika ku50 ° C.

Mitoro yakakwirira inogona kumira kusungira mabhanhire ebhokisi. Vanoshandisa mapaipi emafuta uye mapaipi emvura, nhengo dzavo huru dzinoumbwa nesimbi yakakandwa. Panguva imwecheteyo, bhokisi resimbi rakagadziriswa rakasungirirwa ne rubber kana hemp. Makorani akadaro anokwanisa kushanda pamatambudziko kusvika 1 MPa uye anogona kumira kutonhora kusvika kusvika ku100 ° C.

Madiki mashoma mabheji ebhora. Iyi midziyo inozivikanwa nehupamhi hwehutano hwebasa, iyo yakafanotarisa kushandiswa kwayo mumapapiro makuru makuru. Iyo yakaumbwa nesimbi yakakandwa, uye O-rings ane PTFE-4. Kushandisa zviyero zvevharuti yebhora zvinofananidzwa nehutano hweglanderedzwa gorosi.

Nekubatsira kwemafudzi, flanged iron cranes inosanganiswa nemapipeline. Kana iyo gorosi yakakura, inopiwa nehonye gear. Kugadzirisa kuyerera mumugwagwa wakadaro iswende. Iyi midziyo inoshandiswa pamapipi emagetsi anoshandiswa mukati mekushisa yakakura kubva -40 ° C kusvika +70 ° C. Zvinyorwa zvakafanana zvinongowanikwa chete. Kudzora kunogona kuva kure kana kuti kuburikidza nefluwheel.

Zvivharo zvekuvhara

Mavhareji anoita basa rinokosha munhamba yakawanda yevatongi vemapayipi emagetsi. Iyi ndiyo inowanzovhara magetsi. Chaizvo, iwe unogona kuona mumufananidzo.

Izvo zvikamu zvinenge zvakavharidzirwa zvinotaridzika seplate yekoni kana chimiro chepamusoro chinotenderera chakafanana nechepamusoro pekuisa chisimbiso chemuviri chinosungirirwa shure uye mberi kana pamwe neArc.

Ivhavha yacho inofanana nevhavhavha, kufamba kwegedhi kunoitwa nenzira yeviri yakaiswa.

Zvivharo zvakanyanyovhara zvivharo zvakasungirirwa pamapayipi. Kugadziriswa mavari kunowanikwa mubhuku rekushandisa kushandisa flywheel kana kure nemotokari yemagetsi.

Simba rechisimbiso rinopiwa nemhete yakagadzirwa neganda, rubber kana PTFE-4. Zvivharo zvinoshandiswa zvinoshandiswa mumapayipi, izvo zvinoshanda zvichishandisa mhepo, mhepo kana mvura. A akabatanidzwa yakasungirirwa inoshandiswa pakusangana pombi. Kuzadza bhokisi rinosungirirwa rinoshandiswa asbestos pakutevedza AP-31 - rambo rwetambo dzakasungirirwa se-asbestos nekudzivirira kugadziriswa.

Mvura inopinza nemvura inopisa yakadzika pasi pe50 ° C, mavheti anoputika akaiswa. Iyi midziyo inogona kushanda chero ipi zvayo. Mvura iyi inouya pasi pe spool. Mutumbi wechigadzirwa chacho chakakandwa-iron, iyo gaskets inogadzirwa neononitis, rin'i yekuisa chisimbiso inogadzirwa nechembodo, uye bhokisi rinogadzirisa rinogadzirwa neAsbestos.

Mumapipeline ekutakura mhepo kana mvura, svikiro rinopisa kusvika kunopisa ye +45 ° C. Mune unyanzvi hwakadaro hweunyanzvi hunobvumirwa kushandisa motokari yemagetsi mumagetsi ekumira. Yakagadzirirwa kushanda panguva yechando kusvika kusvika ku50 ° C. Kuritungamirira kunofanira kunge kuri kumusoro. Nyaya yemuchina wacho inokandwa iron. Muchiitiko ichi, valve uye chifukidzo zvakaitwa nematare. Valve yakadaro inotungamirirwa zvose zviri zviviri uye zvakasununguka.

Dampers

Izvo zvipfeko zvakagadzirirwa kushandiswa pamapipiro makuru makuru. Izvo zvakagadzirirwa mumhepo yekudzivirira uye magetsi ekudzivirira pasi uye kuderedza zvinodiwa zvechisimba.

Zvichienderana nehuwandu hwemahwendefa anoshandiswa, zviputi hazvina kukwana uye zvakasiyana-siyana. Nokuda kwezvinhu zvinoshandiswa mumvura, zviputi hazvisati zvichishandiswa, sezvo zvisingakwanisi kuve nechokwadi chekuti kutenderera kwemufambiro kunowanikwa. Kune magasi, mapapu anoputika anoshandiswa kakawanda. Izvi zvinonzwisiswa nekunyatsovimbika uye kuvimbika kwechimiro. Chinangwa chemapapuvha epamusoro ndeyekutonga uye kubvisa kubuda.

Mukuwedzera kune zvigadziri nyore uye maitirwo, vane purofasi yakaderera uye inorema kuyerwa. Zvinokwanisika kugadzirisa zviputi ne hydraulic drive, pneumatic drive kana motokari yemagetsi.

Pamapapiro anotakura mvura, mafupa asina kuvharwa anoshandiswa pakamanikidzwa kwe 1.0 MPa. Chisimbiso chacho chinoitwa nechende yebhandi inowanikwa mu groove yedhi diski. Muviri wechigadzirwa unoumbwa nesimbi yakakoshwa, uye saridho yakagadzirwa yakaitwa nematare.

Dampers, inotungamirirwa nenzira yesimbi yegesi, yakasungirirwa magetsi pamwe chete nemotokari kumusoro. Muchiitiko ichi, shaft yemotokari yakasarudzwa. Dampers iyo inoshandiswa manyore inogona kuiswa mune chero nzvimbo.

Dampers anoshamwaridzana neipayipi nenzira yezvidimbu. Imwe nzira yekubatana iri kutengesa. Izvo zvinoshandiswa zvinodzvinyirira zvinoputika zvinonzi 1 MPa. Inogona kutungamirirwa nemotokari yemagetsi.

Iyo yakareba yekusimudzirwa uchishandisa motokari yemagetsi yakadaro inobva ku200 kusvika 1200 mm. Simba ravo rinosvika 5 kW. Nguva iyo inotorwa nevhavharo kuti izarure kana yevhara inenge imwe nehafu yenguva.

Shutters

Avharidziro yevashandi inotenderera inodiwa kuitira kutarisa kudzvinyirira nekuyerera kwemazinga. Shanduro yekushandira yevhavha inonzi mvura uye gesi. Vanoshanda pakamanikidzwa kwe 1.6 MPa uye kupisa kwe -15 ° C kusvika 200 ° C.

The rotary disk shutter ndeyevhavhavha yokuvhara. Kuva mumamiriro ezvinhu akavharwa, inopa mukana wekuwana kusimba. Kubudirira kwevhavha yacho ndehupamhi hwayo hwekuvaka nekukwirira. Chigadzirwa chacho chinoshandiswa mukupisa, kushandiswa kwemvura uye kushambadzira kwezvokudya.

Latches

Mune majini engineering, mamwe magetsi anovharwa akaiswawo. Chii chinonzi "gedhivhavha"?

Gedhivhavha yegedhi inomiririra wevhavhavha yemagetsi, iyo ine gedhi iri sechikwata, diski kana kuti pepa inofamba pamwe chete nezvindori zvekuisa chisimbiso chechigaro chemuviri. Nharaunda inoyerera inofanirwa kusvika kune rimwe suwo. Iyo yakawanda yezvindori zvekuisa chisimbiso inogona kunge iri pasi pepambiri hwepombi, uye inogona kuenzana nayo. Muchiitiko chekutanga, mavhavha anonzi akaderedzwa, mune yechipiri - masuo.

Maererano nechimiro chemasuo mabheti akaparadzaniswa akafanana akafanana.

Izvi zvinogadzirwa zvinoshandiswa pamagetsi ekugadzira uye mapaipi makuru. Iko kusungirirwa mumapapu kunogona kunge kusina kuvhara kana kukanganisa. Kuvhara kana kuzarura ndima yacho, tsvina inofanirwa kuita zvakawanda. Nokudaro, aya mabheji ane zvigadzirwa zvegesi zvekudzivirira. Wedging latches ine shandi isingashambiki yesimbi yakakandwa. Kushingaira kwavo ndiko 0.25 MPa. Iyo yakareba yekusimbiswa inobva 800 kusvika 2000 mm, uwandu hunosvika matani 14.

Kubatsirwa kwevhavhavha yemagedhi:

• Hazvina kudiwa kukunda kushanda kwemashizha anoshandiswa panguva yekufamba kwesangano rinoshanda;
• Tungamirira kutenderera kwemvura, zvichibvumira kuderedza kusagadzikana munzvimbo yakazaruka;
• Symmetry yekuvaka.

Kukanganiswa kwemagetsi:

• Kusagadzikana kwakasimba paunofambisa muviri wevhavha;
• Iko huru yakakura yekuvakwa nekuda kwekuti shamhu inofanira kubviswa kunze kwemasipiramu maviri emadheni;
• Kupfeka kupfeka kwehuteni munzvimbo yepakati.

Mavhavha acho anonamatira pombi kuburikidza nemapanga. Nyaya dzezvenhoroondo idzi dzinokandirwa simbi. Ikoti yetiketket iparonite, bhokisi rinosungirirwa ibhokisi ndiro asbestos.

Pombiyuta inotakura mafuta yegasi nehurumende yekutonhora kusvika pa100 ° C, shandisa double-disk wedge gate valves. Vane shandi isina kusveta uye kushanda kwe 0.6 MPa. Kuraira kwebhuku chete kunopiwa.

Ndizvo zvakafanana maviri-disc latches, asi nekusvetuka kwekatsva kunowanikwa pamapipeline nejike yevhisi yekoke. Iyo yakagadzirirwa kushanda pakamanikidzwa kwe 1.8 MPa uye kutonhora kwe 200 ° C.

Pamapipanisi emafuta uye nemigero yemafuta yakavharwa magedhi emagonhi emashizha anosimbiswa. Muzvigadzirwa zvavo, shinda yakanyunguduka uye mapaipi emapazi anoshandiswa. Iyo yakawanda inenge yakasvibirira inopisa yevheji idzi ndeye 250 ° C. Zvinyorwa zvezvikamu zvose zvevhavha ndiro carbon steel.

Mamiriro echisimba

Kuvhara zvishandiso zvinoshanda pasi pesimba remasvikiro ane utsinye zvinosarudzwa zvichienderana nehutano hwemukati. Iko kuverenga kunotora hupenyu, kusimba, kuvimbika uye mamwe mamiririro ayo magetsi anovharwa ane. Chinyiko - midziyo yokuvhara mamiriro ezvinhu ane utsinye?

Gati anoshandiswa mumamiriro ezvinhu ane utsinye kakawanda. Muchigadzirwa chakadaro, sachigaro uye spool zvakanyatsobatanidzwa, izvo zvinodzivisa kupesana. Mazamu eti glands akachinjwa nemabhanhire mavara. Iko kusagadzikana kwevhavha yakadaro inowedzera hydraulic kupikisana.

Muchidimbu chemidziyo, michina yakaumbwa nemhangura inoshandiswa, yakagadzirirwa kushanda kushanda kwe 1.6 Mba. Ivhavha yakadaro inobatanidza neipi iyo nenzira yekubatanidza akaiswa.

Mune mapaipi emhepo inomanikidzirwa 1 MPa uye kutonhora pasi pe 50 ° C, rinenge rekuisa chisimbi rinoshandiswa mumagetsi. Nhete yakafanana pamusoro payo yakagadzirwa nehubhura kana ganda.

Mabheji anovhara akagadzirwa nesimbi inogadziriswa inoshandiswa inoshandiswa pamatambo akawanda kusvika 350 ° C. Flanged mapapiro emagetsi ane muviri wakagadzirwa newaini.

Kugadzirisa

Zvikanganiso mumapapupa emapayipi zvinokonzerwa nematambudziko akawanda ekushanda mabhizinesi. Kakawanda havakwanisi kudzivirira chikamu chekutengesa chakakanganiswa nengozi. Hazvisi zvisingatarisirwi kuti kugadziriswa kwemagetsi ekumira, akagadzirwa nenguva, kunobatsira kambani kudzivisa mari huru mune ramangwana.

Zvinokonzera kuparara

Tichazoziva zvikonzero zvinowanzokonzera kuputika kwemagetsi. Nhamba yezvikonzero zvinokonzera kukuvadza kumagetsi, zvinosanganisira madota anowanikwa mukati meipiyero panguva yekuiswa. Inogadzirisa pazvindori zvekuisa, inocheka kuburikidza ne grooves, iyo inoputsa kusunga. Kuti udzivise izvi, iwe unogona kuchenesa zvakakwana musana mamashure usati watanga kushanda. Zvigaro zvakakonzerwa zvinogadziriswa mumasangano anokosha, ayo akave nemichina yekugadzira. Vanobvisa zvakakonzerwa zvakasara kubva ku-O-mhete, vachidzosera ivo zvimwechetezvo.

Mushure mokugadziriswa nekusimbiswa kweiyoti, kusati kwasara mavhavha, valve inotapuridza hydraulic bench test pasi pekumanikidzwa. Kana iyo miedzo ichibudirira, chibvumirano chekugamuchira chinobudiswa.

Varikuita

MuRussia, magetsi evhavha uye akavhara anoshandiswa nemabhizimisi mazhinji. Imhizha iri kuramba ichikura. Mumwe wevatungamiri vemabhizimisi aya zvakare isu factory ye stop valves kubva kuKeababinsk. Zvigadzirwa zvemuti Lenpromarmatura kubva kuSt. Petersburg, ZAO Gidrogaz kubva ku Voronezh, LLC yeMurom Pipe Valve Plant inowanzonziwo.

Price list

Kuvhara magetsi, mutengo waro unogona kubva kubva kune makumi maviri kusvika kune makumi ezviuru zvezviuru zvebrule, zvichienderana nehupamhi, chinangwa uye zvinhu zvezvigadzirwa, zvinowanikwa mumusika weRussia neEurope.