Chinokosha chekudzora kusarudzwa kwevharuvhu ndeyekuongorora maitiro ane simba

Chinokosha chekudzora kusarudzwa kwevharuvhu ndeyekuongorora maitiro ane simba

Mvura yemvura inogovera mvura yepombi kubva kumabasa emvura kuzviuru zvemhuri, saka network yemvura inogoverwa mumakona ose eguta, uye kureba kwayo kunogona kuva mazana emakiromita kana kunyange zviuru zvemakiromita.

Kusadzoreredzwa kwemvura uye kukosha kwekurarama kwevanhu kunoratidza kukosha kwekushanda kwakachengeteka kwemambure ekupa mvura. Nekudaro, nekuda kwezvikonzero zvekuzvimiririra uye chinangwa, pombi inowanzove nekukanganisa, iyo pombi network inoda kugara ichivandudzwa, uye vashandisi vemvura vanowanzo fanira kuwedzera kana kuderera, saka chiitiko chenzvimbo yepombi chikamu chemvura chakagurwa chakaoma avoid. Kuti uderedze chiyero chekuvhara kwemvura, zvakakosha kuisa valve yekudzora zvakanaka mumbure network. Naizvozvo, mune network yemvura yeguta, kune zviuru zvevharuvhu, izvo zvinogoverwa zvisina tsarukano pasi pemigwagwa yeguta.

Kushanda kwevhavha yemvura yemvura hakuwanzoitiki, kumira kwenguva refu, kana ichidiwa, valve inofanira kukwanisa kuvhara nokukurumidza, kupindira kwakavimbika; Kazhinji valve inofanira kuvhurwa panzvimbo yekuderedza kurasikirwa kwemusoro wechikamu chepombi, saka valve imhando yemidziyo yekudzora iyo "inochengeta mauto kwemazuva ane chiuru uye inoshandisa mauto kwechinguva"; Valve kutendeseka mwero, ine chekuita nekusarudzwa kwevharuvhu, kugadzirwa kwevharuvhu, dhizaini yepombi, kusangana kwevharuvhu, kuvhurwa kwevhavha nekuvhara uye kutonga kwevhavha, hongu, chikonzero chikuru ndechekuita kwevhavha.

Mavharuvhu mumvura yemvura network mune nhamba huru, kupararira kwakakura, basa guru. Nokudaro, kune matambudziko akawanda mukusarudzwa kwevhavha, kuongorora, kushanda uye kutonga.

Kutanga, kusarudzwa kwevhavha

Iyo vharafu ine butterfly vharafu, gedhi vharafu, bhora vharafu uye plug vharafu uye zvichingodaro marudzi akati wandei, mumvura yekushandisa network shandisa siyana. Kuti kuderedze kudzika kwekuvhara kwevhu, butterfly valve inosarudzwa kune mapaipi ane dhayamita yakakura. Kune avo vane simba shoma pakadzika kwevhu, edza kusarudza gedhi valve; Bharavhavhavha uye plug valve kukanda uye kugadzirisa kwakaoma, mutengo unodhura, kazhinji wakakodzera pombi diki uye yepakati caliber. Mumakore achangopfuura, nekuda kwekuvandudzwa kwetekinoroji yekukanda, nzira yekukanda jecha resin inogona kudzivirira kana kuderedza mashandiro emuchina, nekudaro ichidzikisa mutengo, saka kugona kwevharuvhu yebhora yepipeline yakakura kunofanirwa kuongororwa. Kana iri mutsara wekutara wehukuru hwecaliber, dunhu rega rega rinofanira kufunga nezvekukamura zvichienderana nemamiriro ezvinhu.

Iko kusakosha kukuru kwevhavhavhavhavha ndeyokuti butterfly plate inotora imwe mvura yemuchinjikwa chikamu, kuwedzera kumwe kurasikirwa kwemusoro; Kunyangwe iyo vharafu yegedhi isina dambudziko rakadaro, kureba kweiyo hombe-caliber vertical gedhi vharafu inokanganisa kudzika kwevhu kwepombi, uye kureba kweiyo hombe-caliber yakatwasuka gedhi vharafu inowedzera nzvimbo yakatwasuka inogarwa nepombi, iyo inokanganisa kuronga kwemamwe mapaipi. Bharavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavha yegedhi rimwechete,kuramba kuyerera kudiki,chisimbiso chakavimbika,chiito chinoshanduka,kushanda kuri nyore uye kugadzirisa. Iyo plug valve inewo mukana wakafanana, asi chikamu chemuchinjiko chemvura hachina denderedzwa.

Mumakore achangopfuura, vazhinji vekumba mavharuvhu vagadziri vakagadzira nyoro chisimbiso mavharuvhu gedhi. Kuenzaniswa neyechinyakare Qieer kana parallel mbiri gedhi mavharuvhu, aya mavharuvhu emagedhi ane anotevera maitiro:

1. Yakapfava-chisimbiso gedhi revhavha muviri, chivharo chevharuvhu uchishandisa chaiyo kukanda kukanda, kuumba, haichagadziriswi michina, usashandise mhete yemhangura yakavharwa, kuchengetedza simbi dzisina-ferrous;

2. Yakapfava chisimbiso gedhi vharafu pasi hapana makomba, hapana zvakasara kuunganidza, gedhi vharafu kuvhura uye kuvhara kukundikana mwero yakaderera;

3. Soft sealing rubber lining valve plate size yunifomu, kuchinjika kwakasimba.

Naizvozvo, iyo yakapfava chisimbiso gedhi vharafu ichava nzira yekusimudzira yevhavha yegedhi, asiwo indasitiri yemvura inoda kushandisa vharafu. Paunenge uchivhura nekuvhara iyo yakapfava seal gedhi vharafu, usavhare yakafa zvakanyanya, chero bedzi chisimbiso chinogona kuwanikwa, kana zvisina kudaro hazvisi nyore kuvhura kana kumisa peel.

Mavharuvhu mazhinji eshavishavi anoshandiswa muindasitiri yekugovera mvura mavharuvhu akapfava-seal butterfly. Nokuda kwevhavhavhavhavha, mhete yerabha iri nyore kukuvadzwa mukugadzirisa kwekugadzirisa, uye pfuma yekuisa chisimbiso inobatwa. Vagadziri vakawanda vakaunza simbi seal butterfly mavharuvhu panzvimbo yerabha ring seal butterfly mavharuvhu. Metal seal butterfly valve nokuti elasticity yechisimbiso iduku, kushandiswa kwese kwe eccentric structure, kunyanya ine matatu dimensional eccentric structure inonzwisisika.

Vaviri, kushanda kwevharuvhu uye kuyedzwa

Iyo chaiyo yevhavha inoda hutano hwayo hwakavimbika uye kuita kwakanakisa. Paunenge uchiongorora mashandiro evhavha uye kuyedzwa kwekuita, zvinotevera zvinofanirwa kucherechedzwa:

1. Ivhavha inoshanduka uye chiedza kuzarura nekuvhara pasi pekushanda kwemvura. Iyo torque yekuvhura inowonekwa ne torque wrench pasi pemvura inoshanda.

2. Ivhavha yakavharwa zvakasimba, pasi pe 1.1 nguva yekushanda kwemvura kushanda haidonhedzi kana kubuda kunosangana nezvinodiwa (metal sealed butterfly valve), iyo inoda kuti mativi maviri evhavha aite majana ekutakura kudzvinyirira, zvichienderana, uye kuvhura kwakawanda. uye kuvhara kuti uwane mhedzisiro imwechete. Zvinodiwa zvemadhayamita akasiyana-siyana, marudzi akasiyana-siyana emavharuvhu anofanirwa kunge ari mugadziri uye kuyedza mayuniti anokodzera ane mutoro wekuvhura uye kuvhara kuyedza hupenyu. Uyu muedzo unosanganisirawo kuongororwa kwekushanda kwevhavha shaft seal.

3. Valve kufashukira kugona yakasimba, kunyanya shavishavi vharafu, shavishavi ndiro kufashukira kuramba kuva duku, kufashukira inobudirira nzvimbo kuva hombe. Izvi zvinoda madhayamita akasiyana-siyana, marudzi akasiyana-siyana emavharuvhu anofanira kunge ari kuyerera kuramba coefficient kutsunga.

4. KUNOGONA KWEMUVIRI WEMUVIRI WOKUTAURA MVURA INOFANIRA KUNOFANIRA KUNOFANIRA NE pombi, kureva kuti, valve inogona kutakura zvinodiwa zvepipeline test pressure pasi pehurumende yakazaruka.

Tatu, jira revhavha uye kunze anticorrosion

VALVE NDIYO midziyo yekufambisa mvura yekunwa. Mucheka wemuviri wevharuvhu unofanirwa kunge usiri wehupfu, unodzivirira kutu, usapfeka uye wakachena, kuitira kuti kuyerera kwekudzivirira kuve kudiki sezvinobvira. Zvakadai sevhavha yekumanikidza ndiro, bhaudhi uye butterfly zvinhu zvakasiyana, zviri nyore kuita electrochemical corrosion, uye ngura inogadzirwa inoenda kunzvimbo yekuisa chisimbiso, pesvedzero yevhavha yekuisa chisimbiso, imwe vharafu yakaiswa mugomba, ichinyura mumvura, iyo. zvakakosha kudzivirira ngura, saka kuvandudza lining kunoitirwa kuvhara, kudzivirira ngura kuburitsa yechipiri kusvibiswa kwemvura.

Iyo EXTERNAL ANTI-Corrosion yevharuvhu inogona kutorwa mushure mekupukuta uye kuchenesa jecha, uyezve electrostatic spraying isiri-chepfu epoxy resin anti-corrosion, kana unogona kutanga kukwesha 1-2 times red lead pendi, wozokwesha kaviri anti- ngura pendi.

Chechina, kushanda kwehutungamiri hwevhavha

Kunyangwe iyo valve inogona kuvhurwa uye yakavharwa zvakanaka, kwete kune kusarudzwa kwevhavha kwakakodzera, yakanaka chigadzirwa chemhando, kunyatsovaka uye kuisirwa, asiwo manejimendi anofunga, kuitira kutamba "zviuru zvemazuva, zvenguva pfupi". Kutungamirirwa kwakanaka kwekushanda kunoratidzwa muzvikamu zvitatu zvinotevera:

1. Data yehunyanzvi inowanikwa

Valve TECHNICAL data inosanganisira mirairo yefekitari yevharuvhu, vharafu mushure mekutenga pepa rekuongorora, gungano revharuvhu uye kadhi renzvimbo, marekodhi ekugadzirisa valve. Nokuda kwekuchinja kwemigwagwa, kadhi yevhavha inofanira kuvandudzwa munguva, uye kuedza kugadza GIS management system.

2. Kutungamirirwa kwakanaka kwekushanda kwevhavha

Izvo zvinodiwa zvehutano zvekugadzirisa kushanda kwevhavha zvinosanganisira valve inofanira kuvharwa zvakasimba, valve shaft seal seal packing haibvi, valve yakazaruka uye yakavhara chiedza, chiratidzo chakanaka. Basa rezuva nezuva rekushanda kwekushanda kwevhavha rinosanganisira rekodhi yemvumo yekuzarura nekuvhara rondedzero yekushanda uye kuvandudzwa kwerekodhi rekushanda, kuzarura nekuvhara rekodhi yekuongorora nguva dzose yevhavha, nezvimwewo. maererano nehukuru hwe caliber, zvinodikanwa kuti uone kutenderera kwakasiyana kwekuona. Nokuda kwekukanganisa kwakawanikwa kunofanira kuisa mberi chirongwa chekuchengetedza, kurapwa kwenguva yakakodzera, kunyanya mushure mekuvhara valve haigoni kuvhurwa inofanira kubatwa sekukurumidzira kugadzirisa pombi yakaputika.

3. Vavha zvakanaka mumamiriro akanaka

Iyo CONDITION yevharuvhu zvakanaka INOsanganisirwa KUTI MAsonry Evhavha zvakanaka Inopindirana neindasitiri zviyero uye dhizaini magadzirirwo, kubatana pakati pechifukidziro chetsime nepamusoro pemugwagwa kwakasimba, nzvimbo yegomba yevhavha ndeyechokwadi, hapana marara uye tsvina mutsime, uye hapana ngura pamusoro pevhavha. Kana mamiriro ezvinhu achibvumidza, zviyero zvehunyanzvi zvenguva refu yekutenderera kwemhepo mune yakakura dhayamita valve Wells inofanirwa kutariswa. Ivhavha tsime rinofanira kugara richiongororwa, kurasikirwa uye kukanganisa kwechifukidzo chetsime kunofanira kugadziriswa nenguva.
Chinokosha chekudzora kusarudzwa kwevharuvhu ndeyekuongorora maitiro ane simba
Nepo zvimwe zvechinyakare zvinhu zvichiri zvakakosha, ivo vanowanzo tarisa pane "static" kuita kwevhavha. Ivo vanoyerwa chaizvo pa "bhenji," asi mhedzisiro yakadaro yakaoma kutaura kuti vharuvhu ichaita sei pasi pemamiriro ekushanda chaiwo. Chirevo chekare chinoratidza kuti kunyatsogadziriswa kwezvinhu zvakagadzikana zvichaguma nekushanda kwakanaka kwevhavha (uye nokudaro dunhu rose). Iye zvino, zvisinei, tinoziva kuti izvi hazvisi nguva dzose.
Zviuru zvekuongorora kwekuita kwakaitwa nevaongorori nevagadziri zvakaratidza kuti akawanda anosvika makumi mashanu muzana emavharuvhu ari kushandiswa, mazhinji acho akasarudzwa zvichibva pane zvechinyakare kufunga, haashande mukugadzirisa kudzora loop kuita. Zvidzidzo zvinotevera zvinoratidza kuti maitiro ane simba evhavha anoita basa rinokosha mukuderedza kushanduka kwekuyerera. Mune maitiro akawanda akaoma, kunyange kuderedzwa kwe1% mukusiyana kwemaitiro nemavharuvhu akasiyana kunogona kuvandudza zvakanyanya kubereka uye kuderedza tsvina, zvichiita kuti hupfumi hubatsirwe hunopfuura $ 1 mamiriyoni. Zviri pachena kuti, hupfumi hwakadaro hunoita kuti tikwanise zvachose kuramba tsika dzechinyakare, kureva, chete maererano nemutengo wekutanga wekutenga wevhavha kusarudza kana kutenga.
Chechipiri, hungwaru hwechinyakare hwagara huri hwekuti kuvandudzwa kwemaitiro ekugadzirisa nguva dzose kunobva mukukwidziridzwa kwemidziyo yekudzora mukamuri yekudzora. Nekudaro, iyo data yekuyedza inoratidza kuti maitiro ane simba evharuvhu anogona kuve nekukanganisa kwakakosha pakuita loop pasi peiyo imwechete control instrumentation. Kana iyo yakarurama yevhavha yekudzora iine 5% chete, saka haibatsiri kushandisa mari yakawanda kuti igadzirise dhigirii yepamusoro yezviridzwa zvine simba rekutonga re 0.5%.
Rudzi rwevharuvhu
MUKUTSVAGA VAVHU VANOKODZERA KUSHANDISA, ZVINHU ZVINHU ZVINHU ZVINHU ZVINOFANIRA KUTI ZVINOFANIRA kuongororwa, zvinoti, cage ball valve, rotary float ball valve, eccentric valve uye butterfly valve.
Cage bhora mavharuvhu anowanikwa mune akasiyana siyana edhisiki mafomu uye nekudaro anozadzisa zvinodiwa zveakawanda maapplication, achiita kuti zvive zvakakosha pakati pemavharuvhu. Kune akawanda marudzi ekeji bhora vharafu zvidimbu zvimedu, zvinosanganisira zvidimbu zvigadziriso, zvisina kuenzana zvigadziriso zvimedu, elastic chigaro chekugadzirisa zvimedu, zvimedu zvekugadzirisa zvakamanikidzika uye zvidimbu zvakazara zvekugadzirisa. Muzviitiko zvakawanda, akasiyana-siyana ekugadzirisa pepa masisitimu emuviri anochinjika.
Cage bhora mavharuvhu zvakare ane akati wandei akashata. Kukura kwevhavha kunogumira (kazhinji masendimita gumi nematanhatu); Chechipiri, kana ichienzaniswa nemutsara wekuona vheji yezvinyorwa zvakafanana (zvakadai sefloat ball valve kana butterfly valve), simba rayo rakaderera; Chechitatu, mutengo wakakwira, kunyanya iyo yakakura dhayamita keji bhora vharafu. Nekudaro, kuita kwakanakisa kwekeji bhora mavharuvhu mukuderedza mashandiro akasiyana kazhinji kupfuura kutsiva kukanganisa uku.
Kuyerera kwerotary float ball valve yakakura kudarika yecage ball valve yemhando imwe chete. Kunyange zvazvo huwandu hwekutonga kwemavharuvhu ebhora re rotary float yakakura kudarika yekeji bhora mavharuvhu, ichiri pamusoro pemamwe marudzi mazhinji emavharuvhu. Iyo inotenderwa kudonhedza kudonha uye tembiricha yemhando yerotary float ball valve idiki pane iya yecage ball valve. Vanowanzova nehupamhi hwepamusoro hwekudonha kwe7.0x105kg / m2 uye vakakodzera kushandiswa pane tembiricha iri pasi pe398 ° C. Mavharuvhu ebhora anoyangarara haakodzere zvinwiwa zvinowanzoitika kune cavitation, uye anogona kazhinji kuita ruzha rukuru kana achishandiswa kune magasi ane kudonha kwakanyanya.
Eccentric mavharuvhu ane kukweshana kushoma uye mitengo yakaderera pane anoyangarara mavharuvhu. Iyo yakasarudzika dhizaini dhizaini inoita kuti ive yakarurama kudzora kuyerera kushanduka. Izvi zvinoonekwa muchigadzirwa chitsva chaFisher, iyo BV500. Mukuwedzera, zvakanakira uye zvisingabatsiri zve eccentric valve uye float ball valve haina kunyanya kusiyana.
Zvinoenderana nekuita kwevharuvhu kuyera, butterfly valve ndeyeyakadzika-giredhi vharafu. Butterfly mavharuvhu ane kuyerera kwakanyanya, mutengo wakaderera, uye anowanikwa mumhando dzakasiyana siyana. Zvisinei, vharuvhu yeshavishavi inongova nechimiro chimwe chete chakakombama chakaenzana, chinoganhurira kukwanisa kwevharuvhu yeshavishavi kuderedza kushanduka kwemaitiro. Nokuda kwechikonzero ichi, butterfly valves inofanira kushandiswa chete kana mutoro wakagadziriswa. Kunyangwe mavhavhavha eBUTERFLY ACHUYA MUMAKASIYANA EMADIAMETERS uye ANOGONA KUGADZIRWA NEZVINHU ZVAKAWANDA ZVAKAWANDA, BUTTERFLY VAVIVE HAZVISANGANISE ZVINODIWA NEANSI KUTI USO NE HAMADIMENSI uye HAZVINA KUDA KUSHANDISA MU VACUOLATING IN NOIDIS FLUID.