Magetsi owongoka padziko lonse lapansi kukonza ma valve ndi kugawana ukadaulo wogawana chidziwitso: Magetsi amapitilira kutentha kwapadziko lonse lapansi mavuto omwe amapezeka
Kutseka kwa valavu yapadziko lonse lapansi ndikupyolera mukugwira ntchito kwa tsinde, kotero kuti mutu wa valve ndi mpando umakanikizidwa kwambiri kuti amalize kusindikiza. Kugwiritsa ntchito kwake kumatsekedwa, kungathenso kusintha valavu, koma osagwiritsa ntchito ngati valve yothandizira. Vavu yapadziko lonse lapansi nthawi zambiri imakhala ndi mtundu wolunjika, mtundu wa Angle kapena mtundu wa DC wachitatu. Vavu yoyimitsa molunjika, valavu yamtundu wa Angle, valve yoyimitsa mtundu wa DC.
1. Mfundo ya valve ya globe
Kutseka kwa valavu yapadziko lonse lapansi ndikupyolera mukugwira ntchito kwa tsinde, kotero kuti mutu wa valve ndi mpando umakanikizidwa kwambiri kuti amalize kusindikiza.
2, cholinga chachikulu cha valve yapadziko lonse lapansi
Kugwiritsa ntchito kwake kumatsekedwa, kungathenso kusintha valavu, koma osagwiritsa ntchito ngati valve yothandizira. Ma valve oyimitsa amagwiritsidwa ntchito kwambiri m'malo opangira magetsi, makamaka m'magawo ang'onoang'ono otetezeka, pamene kutsekedwa kwabwino kumaperekedwa, ma valve ambiri a zipatawa amagwiritsidwa ntchito.
Ubwino wake ndi: kapangidwe kakang'ono, kapangidwe kake, kupanga, kukonza kosavuta.
Zoyipa zazikulu: kukana kwakuyenda, kutsegulira ndi kutseka kumakhala kwakukulu, koma ndikuwonjezeka kwa gawo la njira ndikuwonjezeka mwachangu. Choncho, ndizovuta kwambiri kupanga valve yodalirika yoyimitsa ndi gawo lalikulu la njira.
3. Gulu la valavu ya globe
Vavu yapadziko lonse lapansi nthawi zambiri imakhala ndi mtundu wolunjika, mtundu wa Angle kapena mtundu wa DC wachitatu.
(1) valavu yoyimitsa molunjika. Direct stop valve tsinde ndi sing'anga njira axis pa 90 Angle, valavu yoyimitsa iyi imagwiritsidwa ntchito kwambiri pazomera zamagetsi. Monga momwe chithunzi 2-2 chikusonyezera.
(2) Vavu yoyimitsa mtundu wa ngodya. Mbali ya Angle globe valve ndikuti sing'anga mu valavu ndi kulowa koyambirira mu 90, monga momwe tawonetsera pa Chithunzi 2-3.
(3) valavu yoyimitsa yamtundu wamakono. Dc stop valve ndi tsinde la valve ndi njira yapakatikati ya Angle of view, monga momwe tawonetsera pa Chithunzi 2-4.
4. Makhalidwe apangidwe ndi teknoloji yokonza kukonza kwa magetsi owongoka-kupyolera mu globe valve
Kutsatira valavu yamagetsi yowongoka padziko lonse lapansi monga chitsanzo, mawu oyamba achidule a mawonekedwe a valavu yapadziko lonse lapansi komanso ukadaulo wokonza kukonza.
(1) Mavavu amagetsi owongoka padziko lonse lapansi.
Magetsi owongoka padziko lonse lapansi olumikizira valavu yowotcherera socket, chimango chothandizira ma valve pachipata ndi kugwirizana kwa mpando wa valve, ndodo ya khomo ndi kusindikiza mpando wa valve, kuchokera mkati kupita kunja, kugwiritsa ntchito koyamba ndi kapu yopuma ndi kugwirizana kwa mpando wa valve, pamwamba. chivundikiro gasket, ndiyeno ndi zinthu zodzaza, ndiye muzu wononga kapu, ntchito yosindikiza ndi yodalirika. Monga momwe chithunzi 2-2 chikusonyezera.
(2) Kusamalira ndi kukonza ukadaulo wamagetsi owongoka kudzera pa globe valve.
1) Valavu yowongoka yamagetsi imagwa.
① Mukamaliza tikiti yantchito, onetsetsani kuti mulibe madzi mupaipi, palibe kukakamiza, mutha kuyamba; (2) Konzani athandizi ndi zida zina zotetezera pasadakhale, kumanga chitsulo chitoliro scaffold, kukweza mfundo, funsani mphamvu kugawa zida ndodo kuchotsa pulagi mphamvu; (3) Mutatsegula pamanja mabatani a 1-2 a valve yachipata, kwezani minofu yamagetsi ndi chingwe chowongolera ndi chingwe chachitsulo chachitsulo, sungunulani ndikuyika makina amagetsi ndi chimango chothandizira, sungani ma bolts, ndikuchotsa minofu yamagetsi bwino. kwezani mmwamba; (4) Chotsani bawuti yachipata cha valve cholembera cholembera ndikuchotsa dzenje la shaft kuti musungidwe bwino; ⑤ Tembenuzirani chimango chothandizira kuti muchotse ndikuchikweza; (6) Phatikizani ndikuyika zomangira zomangira za kapu ya disc, chotsani kapu ya disc, kukumba zinthu zodzaza; ⑦ Ndi zida zapadera, kapu yopuma kumbuyo, tulutsani tsinde la chitseko ndi mutu wa valve, chisindikizo cha valve.
2) Kukonza valavu yamagetsi yowongoka.
(1) Chongani valavu mpando ndi valavu mutu pamwamba, ayenera kukhala yosalala, palibe abrasion, poyambira zizindikiro, mawanga wakuda ndi zofooka zina, ngati pali, ayenera kuchitidwa akupera mankhwala malinga ndi zofooka mlingo kapena kukonza akupera.
(2) Yang'anani tsinde la valve, palibe kupinda, kuwonongeka, kuphulika ndi zofooka zina. Ndipo chisindikizo chozungulira, chiyenera kukhala choyera, palibe zizindikiro za poyambira ndi zofooka zina, wononga mu tsinde la valve sichitha kuwonongeka, ndipo mtedza ndi kugwirizana bwino, kusinthasintha kosavuta, mwinamwake kumayenera kukonzedwa. Tsinde liyenera kupindika mkati mwa 0.1mm, ndipo kuya kwa dzenje lovala sikuyenera kupitirira 0.1-0.2mm.
③ Kusiyana pakati pa tsinde la valve ndi kapu yopuma iyenera kuyesedwa molondola mkati mwa 0.2 ~ 0.25mm, ndipo kusiyana pakati pa mpando wa valve ndi kapu ya disc iyenera kukhala mkati mwa 0.2 ~ 0.3mm.
(4) Yang'anani cholumikizira cholumikizira pakati pa chimango chothandizira ndi mpando, pasakhale kuwonongeka, ndipo kulumikizana kwabwino kuli bwino. Chomangira chilichonse chiyenera kugwirizanitsidwa bwino ndi kapu ya screw.
Kuchuluka kwa phula la nati sikuyenera kupitirira 1/3 ya kutalika kwa waya.
Yang'anani chipangizo chotumizira, zida, kuvala rack, kuwonongeka sikuyenera kupitirira 1/3 ya makulidwe a dzino, gawo lophatikizana la dzino sayenera kusweka ndi zoopsa za chitetezo cha dzino. Onani ngati chozunguliracho chawonongeka ndikuzungulira mopanda chidwi. Kusankha pamanja ndi zodziwikiratu ndikosavuta komanso kodalirika, ndipo njira yotumizira ndi yotsika mtengo.
3) Msonkhano wamagetsi owongoka-kupyolera mu valve stop. Ndondomeko ya msonkhano wa valve yamagetsi yamagetsi imasinthidwa ndi njira yowonongeka.
Vavu yamagetsi yopitilira kutentha imatha kuyikidwa m'malo onse a payipi, sing'anga kuchokera pansi mpaka kumtunda. Kupanga mawonekedwe azinthu ndi kupanga molingana ndi muyezo wamakampani adziko lonse GB12235, kapangidwe koyenera, kusindikiza kodalirika, magwiridwe antchito abwino, mawonekedwe okongola. Vavu ya carbon steel globe ndiyoyenera mapaipi osamva kutentha kwa nthunzi ndi mafuta, okhala ndi mawonekedwe osagwira kutentha. Vavu yamagetsi yopitilira kutentha yapadziko lonse lapansi ndiyoyenera mitundu yonse ya mapaipi apakati owononga, okhala ndi kukana kwa dzimbiri komanso mphamvu zopondereza zokwanira. Mavavu amtundu wamtundu wamtundu wathunthu, zodzaza, gasket imatha kusankhidwa molingana ndi momwe amagwirira ntchito kapena zofunikira za ogwiritsa ntchito, zitha kukhala zoyenera kupanikizika kwakukulu, kutentha kozungulira komanso malo ogwirira ntchito.
Magetsi opitilira kutentha kwapadziko lonse lapansi mawonekedwe akulu ndi ntchito zazikulu
1. Vavu yachipata ndi payipi zimalumikizidwa pamodzi.
2, pamwamba sizovuta kuwononga, kuyabwa, kusindikiza ntchito ndikwabwino. Moyo wautali wautumiki.
3, kapangidwe kosavuta, kutsegula ndi kutseka mwamphamvu, kutalika kochepa, kukonza kosavuta.
4, akhoza kukhala madzi, nthunzi, mankhwala payipi msewu, ndi kukana kutentha, kuthamanga kukana.
Magetsi mosalekeza mkulu kutentha kuyimitsa valavu mavuto wamba
Vavu yamagetsi yopitilira kutentha imatha kuyikidwa m'malo onse a payipi, sing'anga kuchokera pansi mpaka kumtunda. Kupanga mawonekedwe azinthu ndi kupanga molingana ndi muyezo wamakampani adziko lonse GB12235, kapangidwe koyenera, kusindikiza kodalirika, magwiridwe antchito abwino, mawonekedwe okongola. Vavu ya carbon steel globe ndiyoyenera mapaipi osamva kutentha kwa nthunzi ndi mafuta, okhala ndi mawonekedwe osagwira kutentha. Vavu yamagetsi yopitilira kutentha yapadziko lonse lapansi ndiyoyenera mitundu yonse ya mapaipi apakati owononga, okhala ndi kukana kwa dzimbiri komanso mphamvu zopondereza zokwanira.
Makhalidwe a valve yamagetsi yopitilira kutentha kwapadziko lonse akuwonetsedwa motere:
① valavu ya piston ndi mpando wa valavu amapangidwa ndi kuwotcherera kolimba, kusagwirizana ndi kuvala, kukana kutentha, kukana dzimbiri, kukana abrasion, kulimba komanso kulimba.
② Vavu tsinde chuma ndi mkulu pafupipafupi kuzimitsidwa zitsulo, mkulu pafupipafupi kuzimitsa valavu tsinde kuuma, kukana kuvala, kukana abrasion, kukana dzimbiri.
(3) Chifukwa cha kutentha kwa chilengedwe, kuthamanga kwa ntchito ndi zinthu zina, ma valve awiri mkati mwa mbale ya DN50 ya mafuta ndi valavu imodzi yothamanga ndi zida zowonongeka, ndipo mbale yozungulira mafuta ndi valavu imodzi yothamanga pamwamba pa DN65 ndizitsulo zosapanga dzimbiri.
④ Mitundu yamitundu yamagetsi yamagetsi yatha, kudzaza zinthu, gasket imatha kusankhidwa molingana ndi momwe amagwirira ntchito kapena zofunikira za ogwiritsa ntchito, zitha kukhala zoyenera kupsinjika kwakukulu, kutentha kozungulira komanso malo ogwirira ntchito.
⑤ Samalani kulowera kwa sing'anga pamene mukusonkhanitsa valavu yachipata, ndipo musonkhanitse motsatira ndondomeko yomwe ikuwonetsedwa ndi muvi wolowera pakhomo.
Valavu yoyimitsa magetsi momwe mungathere kusonkhana koyima, kutsika.
Nthawi yotumiza: Mar-10-2023
