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Momwe mungapangire njira zosamalira ma valve a API Gate

1. Vavu kupasuka
1.1 Chotsani ma bolts a chimango chapamwamba cha bonnet, masulani mtedza wa ma bolt anayi pa bonnet yokweza, tembenuzirani tsinde la valavu motsatizana ndi mawotchi kuti valavu ikhale yosiyana ndi thupi la valve, ndiyeno gwiritsani ntchito chida chokweza kuti mukweze. chimango pansi ndi kuchiyika icho pansi.ku malo oyenera.Gawo la mtedza wa tsinde liyenera kupatulidwa kuti liwunikenso.
1.2 Tulutsani mphete yotsekera pa mphete yosindikiza ya valve, ndipo kanikizani pansi bonati ndi chida chapadera kuti mupange kusiyana pakati pa chivundikiro cha valve ndi mphete.Kenako tulutsani mphete ya quadruple m'magawo.Pomaliza, kwezani chivundikiro cha valavu pamodzi ndi tsinde la valavu ndi disiki ya valve kunja kwa thupi ndi chida chonyamulira.Pamalo okonza, tcherani khutu kuti muteteze kuwonongeka kwa valve disc joint surface.
1.3 Yeretsani mkati mwa thupi la valavu, yang'anani momwe malo olumikizirana ndi mpando wa valavu alili, ndikuwona njira yokonzera.Phimbani valavu yowonongeka ndi chivundikiro chapadera kapena chophimba, ndikumatira chisindikizo.
1.4 Masulani mabawuti a hinji a bokosi loyika zinthu pabonati.Gland yonyamula imamasulidwa ndipo tsinde la valve limachotsedwa.
1.5 Gwirani ma plint apamwamba ndi apansi a disk frame, chotsani ma disks akumanzere ndi kumanja, ndikusunga nsonga zawo zamkati ndi ma gaskets.Yezerani makulidwe onse a gasket ndikulemba.

2 Kukonza magawo osiyanasiyana a valve Gate ya API:
2.1 Malo ophatikizika a mpando wa valve pachipata ayenera kukhala pansi ndi chida chapadera chopera (mfuti, etc.).Akupera angagwiritsidwe ntchito mchenga abrasive kapena emery nsalu.Njirayi ndi yochokera ku coarse mpaka yabwino, ndipo pamapeto pake imapukutidwa.
2.2 Pamwamba pa diski ya valve imatha kugwedezeka ndi dzanja kapena makina opera.Ngati pali maenje akuya kapena ma grooves pamwamba, amatha kutumizidwa ku lathe kapena chopukusira kuti akonze pang'ono, ndipo amatha kupukutidwa atatha kuwongolera.
2.3 Sambani chivundikiro cha valve ndi kusindikiza kusindikiza, chotsani dzimbiri pamakoma amkati ndi akunja a mphete yosindikizira, kuti mphete yoponderezedwa ilowetsedwe bwino kumtunda kwa chivundikiro cha valve, chomwe chiri choyenera kukanikiza kusindikiza kusindikiza. .
2.4 Tsukani zonyamula mkati mwa bokosi lodzaza tsinde la valavu, onani ngati mphete yamkati yonyamula mpando ili bwino, kusiyana pakati pa dzenje lamkati ndi ndodo yodulira kuyenera kukwaniritsa zofunikira, ndipo pasakhale kupanikizana pakati pa mphete yakunja ndi mphete. mkati khoma la stuffing bokosi.
2.5 Tsukani dzimbiri pa chithokomiro chonyamula katundu ndi mbale yokakamiza, ndipo pamwamba payenera kukhala paukhondo komanso bwino.Kusiyana pakati pa dzenje lamkati la gland ndi ndodo yodulira kuyenera kukwaniritsa zofunikira, ndipo khoma lakunja ndi chodzaza ziyenera kukwaniritsa zofunikira.
Bokosi lazinthu liyenera kukhala lopanda jams, apo ayi liyenera kukonzedwa.
2.6 Masulani bawuti ya hinge.Onetsetsani kuti ulusi uyenera kukhala wosasunthika ndipo mtedza ukhale wosasunthika.Ikhoza kusokonekera pang'ono ku muzu wa bawuti ndi dzanja, ndipo pini iyenera kuzunguliridwa mosinthasintha.
2.7 Tsukani dzimbiri pamwamba pa tsinde la valve, fufuzani ngati lapindika kapena ayi, ndipo muwongole ngati kuli kofunikira.Gawo la ulusi wa trapezoidal liyenera kukhala losasunthika, lopanda kusweka ndi kuwonongeka, ndikukutidwa ndi ufa wotsogolera pambuyo poyeretsa.
2.8 Yeretsani mphete ya quadruple, pamwamba payenera kukhala yosalala.Pamalo athyathyathya sayenera kukhala ndi ma burrs kapena ma curls.
2.9 Maboti onse omangirira ayenera kutsukidwa, mtedza uyenera kukhala wathunthu komanso wosinthika, ndipo gawo la ulusi liyenera kuphimbidwa ndi ufa wotsogolera.

2.10 Tsukani mtedza wa tsinde ndi ma bere amkati:
①Chotsani nati wotsekera tsinde la valve ndi zomangira zomangira nyumbayo, ndipo masulani zomangira zokhoma motsata wotchi.
②Tulutsani nati wa tsinde la valve, kubereka, kasupe wa disc, ndikutsuka ndi palafini.Yang'anani ngati kunyamula kumazungulira momasuka komanso ngati kasupe wa disc wasweka.
③Tsukani mtedza wa tsinde la valve, fufuzani ngati ulusi wa trapezoidal wamkati uli bwino, ndipo chomangira chokhala ndi chipolopolocho chiyenera kukhala cholimba komanso chodalirika.Kuvala kwa bushing kuyenera kukwaniritsa zofunikira, apo ayi ziyenera kusinthidwa.
④ Valani chonyamuliracho ndi batala ndikuchiyika mu mtedza wa tsinde.Ma diski akasupe amasonkhanitsidwa momwe amafunikira ndikusonkhanitsidwanso motsatizana.Pomaliza, zitsekeni ndi loko nati, ndiyeno konzani mwamphamvu ndi screw.

3 Kuphatikizika kwa valve pachipata
3.1 Ikani ma valavu oyenerera kumanzere ndi kumanja pa mphete ya tsinde ya valavu ndikuyikonza ndi ma plints apamwamba ndi apansi.Mkati uyenera kuyikidwa pamwamba pa chilengedwe chonse, ndipo gasket yosinthira iyenera kuwonjezeredwa malinga ndi momwe zimakhalira.
3.2 Lowetsani tsinde la valavu pamodzi ndi disiki ya valve mu mpando wa valve kuti muyesedwe.Pambuyo pa diski ya valve ndi malo osindikizira mpando wa valve zonse zikugwirizana, onetsetsani kuti malo osindikizira a valve ndi apamwamba kuposa malo osindikizira a valve ndipo amakwaniritsa zofunikira.Apo ayi, pamwamba pa chilengedwe chonse chiyenera kusinthidwa.Sinthani makulidwe a gasket mpaka itakhala yoyenera, ndikusindikiza ndi gasket yosabwerera kuti isagwe.
3.3 Yeretsani thupi la valavu, yeretsani mpando wa valve ndi disc valve.Kenako ikani tsinde la valavu pamodzi ndi chimbale cha valve mu mpando wa valve, ndikuyika chivundikiro cha valve.
3.4 Ikani zosindikizira pagawo lodzisindikizira la bonati ngati pakufunika.Mafotokozedwe olongedza ndi kuchuluka kwa matembenuzidwe ayenera kukumana ndi mulingo wabwino.
3.5 Sonkhanitsani mphete zinayi motsatizana, ndipo gwiritsani ntchito mphete yotsekera kuti muiimitse kuti isagwe, ndikumangitsa nati wa bawuti yokwezera bonati.
3.6 Lembani tsinde la valve yosindikizira bokosi ndi kulongedza molingana ndi zofunikira, ikani mu gland yakuthupi ndi mbale ya pressure, ndipo yang'anani mwamphamvu ndi phula la hinge.
3.7 Ikaninso chimango cha chivundikiro cha vavu, tembenuzani nthiti ya valavu yakumtunda kuti chimango chigwere pa thupi la valavu, ndi kumangirira ndi mabawuti olumikizira kuti zisagwe.
3.8 Ikani chipangizo chamagetsi cha valve;waya wapamwamba wa gawo lolumikizira ayenera kumangika kuti asagwe, ndikuyesani pamanja ngati chosinthira valavu chimasinthasintha.
3.9 Zizindikiro za ma valve ndizomveka bwino, zosasunthika komanso zolondola.Zolemba zokonza ndizokwanira komanso zomveka;ndipo kuvomereza kuli koyenera.
3.10 Kutsekemera kwa mapaipi ndi ma valve kwatha, ndipo malo okonzera amatsukidwa.

Chipata cha valve yokonza khalidwe labwino
1 valavu thupi:
1.1 Thupi la valve liyenera kukhala lopanda zilema monga matuza, ming'alu ndi kukwapula, ndipo liyenera kuthetsedwa pakapita nthawi.
1.2 Pasakhale zinyalala m'thupi la valve ndi payipi, ndipo polowera ndi potuluka ziyenera kukhala zosatsekeka.
1.3 Pulagi pansi pa thupi la valve iyenera kutsimikizira kusindikiza kodalirika ndipo palibe kutayikira.

2 Tsinde:
2.1 Kupindika kwa tsinde la valve sikuyenera kukhala kwakukulu kuposa 1/1000 yautali wonse, mwinamwake iyenera kuwongoleredwa kapena kusinthidwa.
2.2 Gawo la ulusi wa trapezoidal la tsinde la valve liyenera kukhala labwino, lopanda chilema chilichonse monga kusweka kapena kudulidwa, ndipo kuchuluka kwa kuvala sikuyenera kukhala kwakukulu kuposa 1/3 ya makulidwe a ulusi wa trapezoidal.
2.3 Pamwamba pake ndi yosalala komanso yopanda dzimbiri, ndipo sipayenera kukhala corrosion ndi delamination pamwamba pa gawo lolumikizana ndi chisindikizo chonyamulira.Ngati kuya kwa dzimbiri yunifolomu mfundo kuposa 0,25 mm, ayenera m'malo.Kumaliza kuyenera kutsimikiziridwa kukhala pamwamba ▽6.
2.4 Ulusi wolumikiza uyenera kukhala wosasunthika, ndipo pini iyenera kukhazikitsidwa modalirika.
2.5 Ndodo yodulirayo ndi mtedza wa ndodo ziphatikizidwa, ziyenera kusinthasintha, ndipo sipadzakhala kupanikizana mu sitiroko yonse.Ulusi uyenera kuphimbidwa ndi ufa wotsogolera kuti udzoledwe ndi chitetezo.

3 kunyamula zisindikizo:
3.1 Kuthamanga ndi kutentha kwazomwe zimagwiritsidwa ntchito ziyenera kukwaniritsa zofunikira za sing'anga ya valve, ndipo chinthucho chiyenera kutsagana ndi chiphaso kapena chizindikiritso choyenera.
3.2 Zolembazo ziyenera kukwaniritsa zofunikira za bokosi losindikizira, ndipo zisalowe m'malo ndi zonyamula zazikulu kapena zochepa.Kutalika kwapang'onopang'ono kuyenera kugwirizana ndi kukula kwa valve.
inchi zofunika, ndipo ziyenera kusiya malire otentha.
3.3 Mawonekedwe onyamula ayenera kudulidwa mu mawonekedwe oblique ndi ngodya ya 45 °.Malumikizidwe a mphete iliyonse ayenera kugwedezeka ndi 90 ° -180 °.Kutalika kwa kulongedza katundu pambuyo kudula kuyenera kukhala koyenera, ndipo pasakhale kusiyana kapena superposition pa mawonekedwe anaika mu stuffing bokosi.
3.4 Mphete yonyamula katundu ndi chithokomiro cholongedza ziyenera kukhala bwino popanda dzimbiri, mkati mwa bokosi lonyamula katundu liyenera kukhala loyera komanso losalala, kusiyana pakati pa ndodo yachitseko ndi mphete ya mpando kuyenera kukhala 0.1-0.3 mm, ndipo pazipita osapitirira 0.5 mm.Kusiyana pakati pa khoma lamkati la bokosi lopangira zinthu ndi 0.2-0.3 mm, ndipo kuchuluka kwake sikuposa 0,5 mm.
3.5 Maboti a hinge akamangika, mbale yokakamiza iyenera kukhala yosanja ndipo mphamvu yolimbitsa imakhala yofanana.Chovala chonyamula katundu ndi bowo lamkati la mbale yopondereza ziyenera kukhala zogwirizana ndi chilolezo chozungulira tsinde la valve.Chigoba chonyamulira chopanikizidwa mu chipinda chonyamulira chiyenera kukhala 1/3 ya kutalika kwake.

Malo Osindikizira a 4 API Gate Valve:
4.1 Pambuyo pokonza, valavu ya valve ndi mpando wosindikizira mpando uyenera kukhala wopanda mawanga ndi ma grooves, gawo lolumikizana liyenera kuwerengera kupitirira 2/3 ya m'lifupi mwake, ndipo mapeto ake ayenera kufika ▽10 kapena kuposa.
4.2 Sonkhanitsani diski yoyeserera.Pambuyo pa diski ya valve itayikidwa pampando wa valve, onetsetsani kuti pakati pa valve ndi 5-7 mm pamwamba kuposa mpando wa valve kuti muwonetsetse kutseka kolimba.
4.3 Posonkhanitsa ma discs a valve kumanzere ndi kumanja, kudziwongolera kuyenera kukhala kosavuta, ndipo chipangizo chotsutsa-kugwetsa chiyenera kukhala chokhazikika komanso chodalirika.

5 Mtedza wa Stem:
5.1 Ulusi wamkati wamkati uyenera kukhala wabwino, ndipo pasakhale zomangira zosweka kapena zowonongeka, ndipo kukonza ndi casing yakunja kuyenera kukhala kodalirika komanso kopanda kutayikira.
5.2 Zigawo zonse zonyamula ziyenera kukhala bwino ndikuzungulira momasuka.Palibe ming'alu, dzimbiri, khungu lolemera ndi zolakwika zina pamtunda wa jekete lamkati ndi mipira yachitsulo.
5.3 Chitsime cha disc chiyenera kukhala chopanda ming'alu ndi mapindikidwe, apo ayi chiyenera kusinthidwa.3.5.4 Zomangira zomangira pamwamba pa nati wa loko sizimamasulidwa.Mtedza wa tsinde umayenda mosinthasintha, ndipo chilolezo cha axial chimatsimikizika koma sichiposa 0.35 mm.


Nthawi yotumiza: Jun-03-2019