Pipeline valve yekuisa zvinodiwa maitiro ekuita nefiriji midziyo pombi vharafu "mhanya, mhanya, kudonha, kudonha"?

Pipeline valve yekuisa zvinodiwa maitiro ekuita nefiriji midziyo pombi vharafu "mhanya, mhanya, kudonha, kudonha"?

Ndezvipi zvinodiwa pakugadzwa kwepombi mavharuvhu? Zvinodikanwa here kusangana nezvimwe zvinodiwa zvekuisa?
1. Paunenge uchiisa, teerera kune kutungamira kwekuyerera kwepakati kunofanirwa kuenderana nekutungamira kwemuseve wemuviri wevhavha.
2. Chengetedza valve ichaiswa pamberi pe condensate inopinda pombi huru yekudzorera mushure memusungo kudzivirira condensate kudzoka.
3, iyo tsvimbo vharafu haigoni kuvigwa mudziyo, kana dzinde ngura. Mugomba rine chivharo chekuvhara, valve inofanira kuiswa panzvimbo iyo kuchengetedza uye kuongorora uye kushanda zviri nyore.
4, zvimwe zvinodiwa pavharwa kana mvura inorova ikaita diki kana pasina pombi yekurova kwemvura, sarudzo yakanakisa yekunonoka kuvhara butterfly cheki vharafu, kunonoka kuvharika kwekutarisa vharafu.
5. Paunenge uchiisa mavharuvhu ane threaded, zvinodikanwa kuve nechokwadi kuti tambo dzakasimba, uye dzakaputirwa nechisimbiso chekurongedza maererano nenhau dzakasiyana. Paunenge uchiomesa, zvinodikanwa kumanikidzira zvakaenzana kuti udzivise kukuvadzwa kwevhavha uye valve accessories.
6. Paunenge uchiisa socket type welding valve, socket inofanira kuva nekapu ye 12m kudzivirira kushushikana kwekushisa panguva yekuputika kubva pakuwedzera uye kuputika weld.
7. Kana yaiswa pahorizontal pipeline, dzinde rinofanira kusimudzwa kumusoro kana kurerekera kune imwe Angle, uye dzinde haribvumidzwe kuiswa pasi.
8, butt vharafu uye pombi yekubatanidza weld pasi inofanira kushandisa argon arc welding welding, welding inofanira kuvhura vharafu kudzivirira kupisa kwakanyanya.
9, usati waisa musungo, ita shuwa kushandisa pressure steam kuchenesa pombi, marara mupombi.
10, steam trap usaise munhevedzano.
11, diaphragm yemhando yekutarisa vharafu inowanzo shandiswa kuita nyore kugadzira mvura kurova papombi, nekuti diaphragm inogona kunyatso bvisa iyo yepakati inopikisa kana mvura ichirova, asi ichiganhurwa nekupisa uye kumanikidza, inowanzoshandiswa mukupisa kwakadzika kwekamuri tembiricha. pipeline.
12, musungo unofanirwa kuiswa pamberi pesefa, kuve nechokwadi kuti musungo hauna kuvharwa nemarara epombi, gara uchichenesa sefa.
13. Mavharuvhu akabatana nemaflange uye tambo dzinofanira kuvharwa panguva yekuiswa.
14, condensate kuyerera nzira inofanirwa kuenderana neyekumisikidza museve chiratidzo.
15, musungo unofanirwa kuiswa munzvimbo yakaderera yemidziyo, kubuda panguva yakakodzera kwemvura yakanyungudutswa, kudzivirira pombi yekudzivirira.
16. Paunenge uchiisa mavharuvhu e-flanged, mapeji maviri e-flange anofanira kunge akafanana uye akadzikama.
17, pamberi uye mushure memusungo wekuisa vharafu, musungo wakanakira chero nguva kutora kugadzirisa.
18, mechanical trap kuti iiswe yakatwasuka.
19, yakaona kuti musungo wemusungo, kuburitsa nenguva uye kuchenesa sefa, zvinoenderana nekushandiswa chaiko kwekuongorora kazhinji, kana paine kukanganisa kugadzirisa chero nguva.
20, usaite cheki chevhavha inotakura uremu mupombi, hombe cheki valve inofanira kunge ** * inotsigirwa, kuitira kuti irege kukanganiswa nekumanikidza kunogadzirwa nepipe system.
21. Iyo condensate recovery main pipe mushure mekunge musungo haugone kukwira, izvo zvichawedzera kudzvinyirira kumashure kwemusungo.
22. Kana musungo usina kuiswa panzvimbo yakaderera yezvigadzirwa, reverse bend inofanira kuwedzerwa panzvimbo yakaderera yemvura inobuda, uye iyo condensate level inosimudzwa isati yaisa musungo kuti urege kudzivirira mhepo.
23, pombi yekudonha yemusungo haifanirwe kunyudzwa mumvura.
24. Kana pane kupora kwe condensate mushure memusungo, pombi yekudonhedza yemusungo inofanira kubatanidzwa kune pombi huru pamusoro pepombi huru yekudzoreredza kuderedza kumashure uye kudzivirira reflux.
25. Chidimbu chimwe nechimwe chichava neriva rayo.
30.
31, yakaiswa muutsi pombi musungo, hombe pombi kumisa padyo ne radius huru pombi condensate mvura muunganidzwa zvakanaka, uye ipapo kutungamirira musungo ane pombi duku.
32, kana paine condensate kupora mushure memusungo, zvinodikanwa kuparadzanisa kudzoreredza kwepombi yemazinga akasiyana ekumanikidza.
33, simudza mhando vertical flap cheki vharafu inoda kuiswa yakatwasuka.
34, mechanical trap haishandiswe kwenguva yakareba, inoda kubvisa screw screw, mvura mukati mekusunungurwa, kudzivirira kutonhora.
35, thermostatic trap pamberi pekudiwa kweanopfuura mita imwe yekupisa yekupisa kwepombi yakanyungudika, mamwe mafomu emusungo anofanira kunge ari padyo sezvinobvira kumidziyo.
Nzira yekubata sei nefiriji midziyo yepipeline valve "mhanya, kumhanya, kudonha, kudonha"? Nzira yakanakisa yekutarisana ne "kumhanya, kutumbuka, kudonha, kubuda" kwefiriji pombi mavharuvhu ndeyekudzivirira. Nzira yekuwana sei dambudziko uye kudzivirira njodzi isati yakundikana valve? Zvadaro, tinofanira kuita zvinotevera:
Nzira yakanakisa yekutarisana ne "kumhanya, kutumbuka, kudonha, kubuda" kwefiriji pombi mavharuvhu ndeyekudzivirira. Nzira yekuwana sei dambudziko uye kudzivirira njodzi isati yakundikana valve? Zvadaro, tinofanira kuita zvinotevera:
1, kudzivirira kubuda kwevhavha yemvura, kubuda kwemhepo
Mavharuvhu ese anofanirwa kuyedzwa hydraulically mumagiredhi akasiyana mushure mekupinda mufekitori.
Mavharuvhu anoda kupatsanurwa anofanira kunge ari pasi.
Mukuita kwekugadzirisa zvakanyanya, zvinodikanwa kunyatso tarisisa kana pani midzi yakawedzerwa uye kana iyo pan midzi gland yakasimbiswa.
Ivhavha isati yaiswa inofanira kutarisa kana pane guruva, jecha, iron oxide uye mamwe mapeji mukati mevhavha. Kana chimwe chezvinhu zviri pamusoro apa chinofanira kucheneswa tisati taiswa.
Mavharuvhu ese anofanirwa kuisirwa akakodzera giredhi spacers isati yaiswa.
Paunenge uchiisa gonhi reflange, zvisungo zvinofanirwa kusimbiswa, uye kana uchisimbisa mabhaudhi eflange, anofanirwa kusimbiswa munzira inoenzanirana.
Mune PROCESS OF VALVE installation, ESE mavharuvhu anofanirwa kuiswa nenzira kwayo zvichienderana nehurongwa uye kudzvanywa, uye kuiswa zvisina tsarukano uye kwakasanganiswa kunorambidzwa zvachose. Nechinangwa ichi, mavharuvhu ese anofanirwa kuverengerwa uye kunyorwa maererano nehurongwa usati waiswa.
2. Kudzivirira mafuta system leakage uye oiri kumhanya
Iyo sisitimu ine tangi yekuchengetedza mafuta inofanira kunyatsotariswa uye kucheneswa isati yaiswa.
Hydrostatic test inofanirwa kuitwa pamidziyo ine mafuta inotonhorera.
Hydrostatic test uye pickling inofanirwawo kuitirwa iyo mafuta pombi system.
Majoini ese ane flanged kana mhenyu anobatana newaya mabuckles anofanirwa kuiswa neoiri-resistant rubber MATS kana whetstone MATS panguva yekuisa mafuta mutsetse.
Iyo yekuvuza mapoinzi eoiri system anonyanya kunyudzwa muflange uye akarukwa mhenyu majoini, saka mabhaudhi anofanirwa kusimbiswa zvakaenzana pakuisa flange. Dzivirira leakage tight kana kuti kwete tight situation.
Mukuita kusefa kwemafuta, vashandi vekuvaka vanofanirwa kunamatira kumabasa avo nguva dzese, uye zvinorambidzwa kubvisa danda uye tambo yedanda.
Mukutsiva kwemafuta sefa bepa kunodiwa kumisa iyo mafuta sefa michina.
Paunenge uchiisa pombi yenguva pfupi yekubatanidza mafuta (** plastiki transparent hose), iyo yakabatana inofanirwa kusungwa newaya yemutobvu zvakasimba kudzivirira chiitiko chekusvetuka uye kumhanya kwemafuta mushure mekunge sefa yemafuta ichimhanya kwenguva yakareba.
Kuendeswa kwevashandi vekuvaka vane mutoro kuti vatarise basa remafuta sefa.
Kutenderera kweoiri kweinjini yekuwedzera kusati kwatanga, Dhipatimendi reUinjiniya richaronga kuziviswa kwakadzama kwehunyanzvi kune vashandi vanotungamira kutenderera kweoiri yeinjini yekubatsira.
3, kudzivirira midziyo uye pombi inokodzera kubatana kwepamusoro bubble, kutubukira, kudonha, kuvuza
Kune flange gaskets pamusoro pe2.5Mpa, simbi inomonereka gaskets inogamuchirwa.
1.0Mpa-2.5Mpa flange gasp, uchishandisa asbestos gasp, uye yakavharwa nehupfu yemutobvu nhema.
Iyo flange gasket yepombi yemvura pazasi 1.0Mpa ichave yerabha gasket uye yakaputirwa nehupfu nhema.
Mvura pombi dhisiki mudzi vari kushandisa PTFE faibha composite disc mudzi.
Kune zvikamu zvakavharwa zveutsi uye mhepo yemarasha mapaipi, tambo yeasbestos inofanira kumonyoroka uye kuwedzerwa kune yakabatana pamusoro zvakanaka panguva imwe. Izvo zvinorambidzwa zvachose kuwedzera nesimba mushure mekusimbisa screws.
4. Kudzivirira kubuda kwevhavha
Kuvakwa kwepombi yekumisikidza, kunofanirwa kumisa ruzivo rwakanaka, nekuchenjera kuchenesa oxide simbi pepa uye pombi madziro, usasiye sundries, simbisa pombi madziro akachena.
Chokutanga pane zvose, iva nechokwadi chokuti mavharuvhu anopinda panzvimbo yacho anofanira kunge ari 100% hydrostatic tested.
KUGAYA mavharuvhu ANOFANIRA KUITA ZVAKANAKA, MAVHIVISI ESE (KUNZE KUPIMWA MAVHUVUSI) Anofanira KUTUMIRWA KUCHIKAMU CHEKUGAYA CHEKUOngorora Disassembly, kugadzirisa kugaya, uye kuita basa, Kuzvichenjerera kuita zvinyorwa uye mamaki, zviri nyore kutsvaga. Mavharuvhu akakosha anofanirwa kunyorwa zvakadzama kuitira kugamuchirwa kwechipiri, kuitira kuti "kudhinda, kudhinda, kurekodha" zvinodiwa.
Gedhi repamusoro remvura uye gedhi rekuburitsa rebhailer richagadziriswa pachine nguva. Aya mavharuvhu chete anotenderwa kuvhurwa panguva yeiyo hydrostatic bvunzo. Mamwe mavharuvhu haazarurwe pamadiro, kuitira kuchengetedza core yevhavha.
Apo pombi inoputirwa, inofanira kuvhurwa uye yakavharwa zvinyoro-nyoro kudzivirira kukanganisa kwegonhi remukova.
5, kana vharafu yadonha, kuita sei?
Tsvaga chikonzero, mushonga wakakodzera!
Kubuda kwemuviri nebhoneti
Chikonzero:
Cast iron casting quality haina kukwirira, iyo valve body uye valve cover body ine trachoma, yakasununguka sangano, slag uye humwe hurema;
Zuva rinopisa mutswe;
Urombo husina kunaka, kuiswa kwe slag, kusina kusungirirwa, kutsemuka kwekunetseka uye zvimwe zvikanganiso;
Ivhavha yesimbi yakakanganiswa nechinhu chinorema.
Maintenance nzira:
Kuvandudza kunaka kwekukanda, kusati kwaiswa zvakanyatsoenderana nezvinodiwa zvekuedzwa kwesimba;
Kupisa kwevhavha pa 0 ℃ uye pasi pe0 ℃, kunofanira kuchengetedza kupisa kana kusanganiswa, kurega kushandisa valve kunofanira kubviswa mvura;
Iyo welding seam yemuviri uye chivharo chevhavha inoumbwa newelding ichaitwa zvinoenderana neakakodzera welding mashandiro emitemo, uye kukanganiswa kwekuona uye kuyedza kwesimba kuchaitwa mushure mekucheka;
ZVINORAMBIKWA KUSINDISA NEKUISA ZVINHU ZVINORERA PAMUSORO. Hazvibvumirwi kurova simbi yakakandwa uye isiri-simbi valve nenyundo. Kuiswa kwevharuvhu yakakura kunofanirwa kutsigirwa.
Leakage pakurongedza
Kudonha kwevhavha, kurongedza kwakaverengera chikamu chikuru.
Chikonzero:
Kurongedza kusarudzwa kwakashata, kusingamiri kune yepakati corrosion, kusingapikisane nepamusoro pekumanikidza kana vacuum valve, tembiricha yakanyanya kana kuderera kwekushisa kushandiswa;
Iyo yekurongedza haina kuisirwa nemazvo, pane zvimwe zvakakanganisika senge kutsiva diki nehombe, iyo helix inotenderedza yakabatana haina kunaka, iyo yepamusoro yakasimba uye yakaderera yakasununguka.
Iyo yekurongedza yakwegura uye yakarasika elasticity kupfuura hupenyu hwesevhisi;
Kurongeka kwevhavha yehunde haisi yakakwirira, kukotama, kuora, kupfeka uye zvimwe zvikanganiso;
Nhamba yezvindori zvekutakura haina kukwana, gland haina kudzvinyirirwa;
Gland, mabhaudhi, uye zvimwe zvikamu zvakakuvadzwa, zvekuti gland haigone kumanikidzwa;
Kushanda kusina kunaka, simba rakawandisa, nezvimwewo;
Gland skew, gland uye stem gap idiki zvakanyanya kana rakakura zvakanyanya, zvichikonzera kupera kwedzinde, kurongedza kukuvadzwa.
Maintenance nzira:
Zvinhu uye rudzi rwekutakura zvinofanira kusarudzwa maererano nemamiriro ekushanda;
Zvinoenderana nezvinodiwa zveiyo chaiyo yekumisikidza kurongedza, mudzi wepani unofanirwa kuiswa uye kudzvanywa kutenderera nekutendeuka, iyo yakabatana inofanira kunge iri 30 ℃ kana 45 ℃;
Iko kurongedza nehupenyu hwakareba hwebasa, kuchembera uye kukuvara kunofanira kutsiviwa nenguva;
Valve stem bending, kupfeka kunofanirwa kutwasanudzwa, kugadzirisa, kukuvadza kwakakomba kunofanira kutsiviwa nenguva;
Iko kurongedza kunofanira kuiswa maererano nenhamba yakatemerwa yekutendeuka, gland inofanira kunge yakaenzana uye yakaenzana yakasimbiswa, sleeve yekumanikidza inofanira kuva nepamusoro pe5mm pretightening gap;
Iyo gland yakakuvadzwa, mabhoti uye zvimwe zvikamu zvinofanirwa kugadziriswa kana kutsiviwa nenguva;
Inofanirwa kutevedzera maitiro ekushanda, kunze kwekukanganisa kwehandwheel, ine yunifomu yekumhanya yakajairika simba kushanda;
Iyo gland bolt inofanira kusimbiswa zvakaenzana uye symmetrically. Kana mukaha uripo pakati pegland netsinde yevharuvhu iri diki zvakanyanya, gaka rinofanira kuwedzerwa zvakakodzera. Kana mukaha uripo pakati pegland nedzinde wakakurisa, unofanirwa kutsiviwa.
Kubuda kwechisimbiso chepamusoro
Chikonzero:
Kuisa chisimbiso pamusoro pekukuya kusina kuenzana, haigoni kuumba mutsara wepedyo;
Kubatana pakati pe stem uye chikamu chekuvhara kunomiswa, kwete kutwasuka kana kupfeka;
Valve stem bending kana musangano haisi yakarurama, kuitira kuti chikamu chekuvhara chitsvedze kana kwete pakati;
Kusarudzwa kusina kukodzera kwekuvhara pamusoro pehutano hwemhando kana kwete maererano nemamiriro ekushanda ekusarudzwa kwevhavha.
Chikonzero:
Kushata kwekushanda, kuitira kuti chidimbu chekuvhara chigadzikane kana kuti chinopfuura nzvimbo yakafa, kubatana kwakakuvadzwa uye kwakaputsika;
Vhara iyo yekubatanidza haina kusimba, yakasununguka uye inodonha;
Sarudzo yekubatanidza zvinhu haina kunaka, haigone kumira corrosion yepakati uye mechanical kupfeka.
Maintenance nzira:
Kushanda kwakarurama, kuvhara valve haigoni kumanikidzira zvakanyanya, kuzarura valve haigoni kudarika nzvimbo yakafa, valve yakazaruka zvakakwana, handwheel inofanira kutendeuka zvishoma;
Kubatana pakati pechikamu chekuvhara uye chivharo chevhavha chinofanira kuva chakasimba, uye tambo yekubatanidza inofanira kuva chikamu chekumashure;
Mafasteners anoshandiswa kubatanidza zvikamu zvekuvhara uye hunde yevharuvhu inomira nekuora kwepakati uye iine imwe mechanical simba uye kupfeka kuramba.