Kuyamba kwa magetsi a actuator a valve mu station station

Kuyamba kwa magetsi a actuator a valve mu station station

Mavavu ndi zinthu zina zamakina, komanso zimafunikira kukonza. Ntchito yokonza bwino imatha kukulitsa moyo wautumiki wa valve.
Mavavu ndi zinthu zina zamakina, komanso zimafunikira kukonza. Ntchito yokonza bwino imatha kukulitsa moyo wautumiki wa valve.
1. Kusamalira valavu
Cholinga cha kusungirako ndi kukonza ndikuteteza kuti valavu isawonongeke kapena kuchepetsedwa bwino panthawi yosungira. Ndipotu, kusungirako kosayenera ndi chimodzi mwa zifukwa zofunika zowonongeka kwa valve.
Vavu yosungirako, ayenera kukhala mwadongosolo, mavavu ang'onoang'ono pa alumali, mavavu lalikulu akhoza mwaukhondo anaika pa nyumba yosungiramo katundu pansi, osati mwadongosolo, musalole flange kugwirizana pamwamba mwachindunji kukhudza pansi. Izi sizongokongoletsa zokhazokha, koma ndizofunikira kwambiri kuteteza valavu kuti isawonongeke. Chifukwa cha kusungirako kosayenera kapena kusamalidwa, gudumu lamanja lathyoledwa, tsinde la valve likugwedezeka, mtedza wokhazikika wa gudumu lamanja ndi tsinde la valve ndi lotayirira komanso lotayika, ndi zina zotero, zotayika zosafunikirazi ziyenera kupeŵedwa.
Kwa valavu yomwe siigwiritsidwe ntchito kwakanthawi kochepa, kulongedza kwa asbestosi kuyenera kuchotsedwa kuti asawonongeke ndi electrochemical corrosion ndi kuwonongeka kwa tsinde.
Polowera ndi potulukira valavu ayenera kusindikizidwa ndi pepala la sera kapena pepala la pulasitiki kuti zinthu zodetsedwa zomwe zimakhudza valavu zisalowe.
Valavu imatha dzimbiri mumlengalenga, iyenera kukhala yokutidwa ndi mafuta odana ndi dzimbiri, kuteteza, kusamala ndi dzimbiri.
Mavavu akunja ayenera kuphimbidwa ndi zinthu zopanda madzi komanso zopanda fumbi monga linoleum kapena tarp. Malo osungiramo valavu ayenera kukhala oyera ndi owuma.
Kodi valavu iyenera kusamalidwa bwanji?
2. Kugwiritsa ntchito ma valve ndi kukonza
Cholinga cha ntchito ndi kukonza ndikukulitsa moyo wautumiki wa valavu ndikuwonetsetsa kutseguka ndi kutseka kodalirika.
Ulusi wa tsinde, womwe nthawi zambiri umasemphana ndi mtedza wa tsinde, umafunika kupakidwa ndi mafuta achikasu owuma, molybdenum disulfide kapena ufa wa graphite kuti azipaka mafuta.
Osatsegula ndi kutseka valavu nthawi zambiri, komanso kuti mutembenuze gudumu lamanja nthawi zonse, onjezerani mafuta ku ulusi wa tsinde, kuti mupewe kuluma.
Kwa ma valve akunja, manja otetezera ayenera kuwonjezeredwa ku tsinde la valve kuti ateteze mvula, matalala, fumbi ndi dzimbiri. Ngati valavu ndi makina, kukhala pa nthawi kwa gearbox chikondi mafuta mafuta.
Vavu ikhale yoyera.
Nthawi zonse tsatirani ndikusunga umphumphu wa gawo la valve. Ngati mtedza wosasunthika wa handwheel wagwa, uyenera kufananizidwa ndipo sungagwiritsidwe ntchito bwino, apo ayi ugaya malo okwera a tsinde la valve, pang'onopang'ono kutaya kudalirika komanso ngakhale sangayambe.
Musagwiritse ntchito valavu kunyamula katundu wina wolemetsa, musayime pa valve, ndi zina zotero
Tsinde, makamaka amanyoza ulusi mbali, nthawi zambiri misozi, ndi lubricant waipitsidwa fumbi m'malo latsopano, chifukwa fumbi lili mthunzi zinyalala, zosavuta kuvala ulusi ndi tsinde pamwamba, zimakhudza moyo utumiki valavu.
Valavu yomwe ikugwira ntchito iyenera kusungidwa kamodzi pa kotala, kamodzi pa theka la chaka itatha kugwira ntchito, kamodzi pachaka itatha kugwira ntchito, ndipo valavu iyenera kusungidwa nyengo yozizira isanakwane chaka chilichonse. Chitani ntchito yosinthika ya valve ndikupukutira kamodzi pamwezi.
3. Kusamalira kulongedza katundu
Kulongedza kumagwirizana mwachindunji ndi ngati kutayikira kumachitika pamene valavu ikutsegula ndi kuchoka pazigawo zazikulu zosindikizira, ngati kulongedza kulephera, zomwe zimapangitsa kuti ziwonongeke, valavu ndi yofanana ndi kulephera, makamaka valavu ya payipi ya urea, chifukwa kutentha kwake kumakhala kokwera kwambiri, kotero kuti dzimbiri ndizovuta kwambiri, kulongedzako kumakhala kosavuta kukalamba. Kulimbitsa kukonza kungathe kutalikitsa moyo wa kulongedza katundu.
Vavu ikachoka pafakitale, chifukwa cha kutentha ndi zinthu zina, pakhoza kukhala extravasation, ndiye m'pofunika kumangitsa nati mbali zonse za kunyamula gland mu nthawi, bola ngati si kutayikira, ndiyeno kumangitsa kachiwiri mu. nkhani ya extravasation, musamangirire kamodzi, kuti musataye kusinthasintha kwa kulongedza katundu ndi kutaya ntchito yosindikiza.
Mavavu ena onyamula ndi molybdenum dioxide lubrication phala, akagwiritsidwa ntchito kwa miyezi ingapo, ayenera kuwonjezeredwa kumafuta opaka mafuta pakapita nthawi, zikapezeka kuti kulongedzako kuyenera kuwonjezeredwa, ziyenera kuwonjezeredwa pakunyamula kofananira mu nthawi kuti zitsimikizire. ntchito yosindikiza.
4. Kupatsira magawo kukonza
Vavu mukusintha, mafuta oyambira opaka mafuta akupitilizabe kutayika, kuphatikiza kutentha, dzimbiri ndi zotsatira zina, zipangitsanso kuti mafuta opaka mafuta aziuma nthawi zonse. Choncho, gawo lopatsirana la valve liyenera kufufuzidwa nthawi zonse, likupezeka kuti liyenera kudzazidwa panthawi yake, samalani ndi kuvala kowonjezereka chifukwa cha kusowa kwa mafuta odzola, zomwe zimapangitsa kuti pakhale kufalikira kosasinthika kapena kupanikizana kulephera ndi zolakwika zina.
5. Kusamalira jekeseni wamafuta a valve
Vavu ikapaka mafuta, vuto la kuchuluka kwamafuta nthawi zambiri limanyalanyazidwa. Vavu ikapaka mafuta, wogwiritsa ntchito amasankha njira yolumikizira valavu ndi mafuta kuti agwire ntchito yamafuta. Pali zinthu ziwiri: mbali imodzi, jekeseni wocheperako wamafuta umabweretsa jekeseni wosakwanira wamafuta, ndipo malo osindikizira amathandizira kuvala chifukwa chosowa mafuta. Kumbali inayi, jekeseni wambiri wamafuta, zomwe zimapangitsa kuti ziwonongeke. Palibe kuwerengera kolondola kwa ma valve osindikiza osiyanasiyana kutengera mtundu wa valve ndi gulu. Mphamvu yosindikiza imatha kuwerengedwa ndi kukula kwa valve ndi mtundu, ndiyeno jekeseni yoyenera yamafuta oyenera.
Mavuto opanikizika nthawi zambiri amanyalanyazidwa mu jakisoni wamafuta a valve. Popanga jakisoni wamafuta, kupanikizika kwa jekeseni wamafuta kumakhala ndi nsonga yokhazikika komanso kusintha kwa chigwa. Ngati kupanikizika kuli kochepa kwambiri, kutayika kwa chisindikizo kapena kulephera, ngati kupanikizika kuli kwakukulu, doko la jekeseni wa mafuta limatsekedwa, ndipo chitumbuwa chamafuta kapena mphete yosindikiza mu chisindikizo imatsekedwa ndi mpira wa valve ndi mbale ya valve. Nthawi zambiri, mphamvu ya jakisoni wa girisi ikatsika kwambiri, mafuta ojambulidwawo amalowa pansi pachipinda cha valve, chomwe chimachitika m'mavavu ang'onoang'ono. Ngati mphamvu ya jakisoni wa girisi ndiyokwera kwambiri, mbali imodzi, yang'anani pamphuno ya jekeseni wa girisi ndikusintha ngati kutsekeka kwa dzenje lamafuta kwadziwika. Kumbali inayi, mafuta amawumitsidwa. Mafuta oyeretsera amayenera kugwiritsidwa ntchito kufewetsa mafuta osindikizira omwe alephera mobwerezabwereza ndikubaya mafuta atsopano kuti alowe m'malo mwake. Kuphatikiza apo, mtundu wosindikiza ndi zinthu zosindikizira zimakhudzanso kuthamanga kwa jakisoni wamafuta, mitundu yosindikiza yosiyana imakhala ndi mphamvu yosiyana ya jakisoni wamafuta, nthawi zambiri, kupanikizika kwa jekeseni wamafuta osindikizira kumakhala kwakukulu kuposa chisindikizo chofewa.
Mukapaka mafuta valavu, tcherani khutu ku vuto la kusintha kwa valve. Kukonza ma valve a mpira nthawi zambiri kumakhala kotseguka, zochitika zapadera zimasankha kutseka kukonza. Ma valve ena sayenera kukhala otseguka. Vavu yachipata pakukonza iyenera kukhala yotsekedwa, kuonetsetsa kuti mafuta odzaza ndi mphete yosindikizira yodzaza ndi groove yosindikiza. Ngati otseguka, kusindikiza mafuta mwachindunji mu otaya kapena valavu patsekeke, kuchititsa zinyalala.
Zotsatira za jakisoni wamafuta a valve nthawi zambiri zimanyalanyazidwa. Kupanikizika, kuchuluka kwa mafuta ndi malo osinthira zonse ndizabwinobwino popanga jakisoni wamafuta. Komabe, pofuna kuonetsetsa kuti valavu mafuta zotsatira, nthawi zina m'pofunika kutsegula kapena kutseka valavu, yang'anani zotsatira zonona, kutsimikizira valavu mpira kapena chipata pamwamba mafuta mafuta ndi yunifolomu.
Pamene jekeseni mafuta, chidwi ayenera kuperekedwa kwa vavu thupi zimbudzi ndi silika blockage mavuto mpumulo. Pambuyo poyesa kupanikizika kwa valve, mpweya ndi madzi mu chipinda chosindikizidwa cha chipinda cha valve chidzawonjezera kupanikizika chifukwa cha kuwonjezeka kwa kutentha kwapakati, ndipo mpumulo wa kutulutsa kwamadzi onyansa uyenera kuchitidwa poyamba kuti athandize kugwira ntchito bwino kwa jekeseni wa mafuta. Pambuyo pa jekeseni wamafuta, mpweya ndi chinyezi m'bowo lotsekedwa zimachoka. Kuthamanga kwa chipinda cha valve panthawi yake, komanso kuonetsetsa chitetezo cha ntchito ya valve. Pambuyo pa jekeseni wamafuta, waya wokhetsa ndi kutsitsa uyenera kumangidwa kuti zisachitike ngozi.
Jekeseni wopaka mafuta akuyeneranso kuwona kukula kwa valavu ndi vuto lakugudubuza mpando wa mphete. Mwachitsanzo, valavu ya mpira, ngati pali kusokoneza, mukhoza kusintha malire otsegulira mkati, kutsimikizira kuti m'mimba mwake mowongoka pambuyo pa dzuwa. Kusintha malire sangakhoze kokha kutsatira pa kapena kuchoka udindo, kuganizira lonse. Ngati malo otsegulira ali ofanana ndipo kutseka sikuli, valve idzatsekedwa momasuka. Mofananamo, sinthani kusinthana m'malo, ganiziraninso kusintha kofanana kwa malo otseguka. Onetsetsani kuti valavu ili ndi ngodya yakumanja.
Pambuyo jekeseni mafuta, onetsetsani kusindikiza chiwerengero cha jekeseni mafuta pakamwa. Pewani zonyansa mu, kapena kupaka mafuta oxidation mkamwa, kuphimba kuti kupaka mafuta oletsa dzimbiri, kupewa dzimbiri. Kwa opareshoni yotsatira.
Power station valve valve actuator imayambitsidwa pomwe ikuwonetsa chipangizo (3) cheke, zoyatsira magetsi zimayikidwa pa benchi yoyeserera, cholozera cholozera cholozera cha malo "okhala", osanyamula katundu woyambira magetsi, yang'anani cholozera ndi zomwe zatuluka. kuzungulira kwa shaft, pamene lamulo lofikira mu malo angapo "otseguka" (monga valavu), Njira yozungulira ndi malo a cholozera ayenera kutsatira zomwe 5.2. 10, ndipo chiwerengero cha mayesero sichidzakhala chochepera katatu. Kuyesa kwachitetezo champanda kudzachitidwa molingana ndi GB 4208 ndipo zotsatira zake zizikhala molingana ndi 6.1.2.