Mu gawo la kayendetsedwe ka madzi, kusankha pakati pa valavu ya mpira ndi valavu yachipata kungapangitse kapena kuswa dongosolo labwino.
Mavavu ampira amapereka mwachangu 90-degree on/off action, oyenera kutseka mwachangu, pomwe mavavu a zipata amachepetsa kukana kwamadzi akatseguka kwathunthu, abwino pamapaipi akulu.
Wina amapambana pa kusindikiza kolimba, winayo pochita zinthu zovuta kwambiri.
Mukufuna kudziwa kuti ndi iti yomwe ili yoyenera pulojekiti yanu?
Zindikirani kusiyana kwatsatanetsatane ndikupeza mavavu anu abwino.
Chifukwa chiyani?VavuZosankha?
Kusankhidwa kwa ma valve ndikofunikira kwambiri pamakina aliwonse omwe amagwiritsa ntchito madzi (zamadzimadzi, mpweya, slurries) chifukwa valavu yolakwika imatha kubweretsa zovuta zambiri, zomwe zimakhudza chitetezo, magwiridwe antchito, komanso mtengo. Nayi chidule cha chifukwa chake kuli kofunikira:
1. Chitetezo:
-Kupewa Zowonongeka Zowonongeka: Ma valve osankhidwa molakwika akhoza kulephera pansi pa kupanikizika, kutentha, kapena kuukira kwa mankhwala, zomwe zimapangitsa kuti pakhale kutuluka, kuphulika, moto, kapena kuphulika, makamaka ndi zinthu zoopsa. Mwachitsanzo, ma valve operekera chithandizo ndi zida zofunika kwambiri zotetezera zomwe zimalepheretsa kupanikizika kwambiri.
-Kuteteza Ogwira Ntchito: Kutayikira kapena kutulutsa kosalamulirika kumatha kuyika ogwira ntchito kuzinthu zoopsa, kuvulaza kapena kudwala.
-Kusunga Umphumphu Wadongosolo: Valavu yoyenera imalepheretsa kuwonongeka kwa zigawo zina za dongosolo mwa kulamulira kuyenda ndi kupanikizika mkati mwa malire otetezeka.
2. Kuchita Bwino Kwambiri ndi Mwachangu:
-Kuwongolera Molondola: Ntchito zosiyanasiyana zimafunikira magawo osiyanasiyana a kayendetsedwe ka kayendedwe ka kayendedwe ka kayendedwe ka kayendedwe ka kayendedwe ka kayendedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake. Kusankha mtundu wa valavu yoyenera (mwachitsanzo, valavu ya mpira pa / kuzimitsa, valavu ya globe kuti igwedezeke, fufuzani valavu kuti muyende njira imodzi) imatsimikizira kuti dongosolo limagwira ntchito monga momwe likufunira.
-Kuthamanga Koyenera Kwambiri: Ma valve ochulukirapo angayambitse kulamulira kosasunthika ndi kusakhazikika, pamene ma valve ocheperapo amalepheretsa kutuluka, kumayambitsa kutsika kwakukulu, ndi kuonjezera mphamvu. The flow coefficient (Cv) ndiye chinthu chofunikira kwambiri pano.
-Kuchepetsa Kugwiritsa Ntchito Mphamvu: Valavu yogwira ntchito bwino imachepetsa kupsinjika ndi chipwirikiti, zomwe zimapangitsa kuti pakhale mphamvu zochepa zamapampu ndi ma compressor.
-Kupanga Kwanthawi Zonse: Kuyenda kolondola komanso kuwongolera kukakamiza kumathandizira kuti pakhale zotsatira zokhazikika komanso zosasinthika, zomwe zimapangitsa kuti pakhale zinthu zapamwamba kwambiri.
3. Kusunga Mtengo:
-Kuchepetsa Kusamalira ndi Kupuma: Valavu yosankhidwa bwino imakhala yolimba kwambiri ndipo imafuna kusamalidwa mobwerezabwereza, kuchepetsa kutsekedwa kwamtengo wapatali ndi kukonza.
-Chida Chowonjezera Moyo: Vavu ikafananizidwa ndi kagwiritsidwe ntchito kake, imakhala yochepa kwambiri, imakulitsa moyo wake komanso nthawi ya moyo wa zida zina zolumikizidwa.
-Kutsika kwa Ndalama Zogwirira Ntchito: Kuchita bwino kumatanthawuza mwachindunji kutsitsa mabilu amagetsi ndikuchepetsa kuwononga zinthu.
4. Moyo Wautali Ndi Kudalirika:
-Kugwirizana kwazinthu: Zida za valve (thupi, chepetsa, zisindikizo) ziyenera kugwirizana ndi zofalitsa zomwe zimagwira, komanso malo ozungulira. Zinthu zosagwirizana zimatha kuyambitsa dzimbiri, kukokoloka, kugwedezeka, kapena kusweka mtima.
-Kutentha ndi Kupanikizika Kwambiri: Mavavu ayenera kuvoteredwa kuti athe kupirira kutentha kwakukulu komanso kochepa komanso kupanikizika kwa madzi a ndondomeko ndi malo ogwirira ntchito.
-Kukana Kuvala: Pamadzi otsekemera kapena osokonekera, zida zomwe sizimavala kwambiri ndizofunikira kuti zipewe kuwonongeka msanga.
-Cycle Life: Pazinthu zomwe zimafuna kuti zizigwira ntchito pafupipafupi, valve yopangidwira moyo wozungulira ndiyofunikira.
5. Kutsatira ndi Kukhudza Kwachilengedwe:
-Miyezo Yamakampani Okumana: Mafakitale ambiri ali ndi malamulo okhwima ndi miyezo yosankha ma valve ndi magwiridwe antchito. Kusankhidwa koyenera kumatsimikizira kutsata ndikupewa zilango.
-Kuteteza chilengedwe: Kupewa kuchucha komanso kutulutsa madzi mosalamulirika (makamaka owopsa) ndikofunikira poteteza chilengedwe.
Kodi Valve ya Mpira ndi chiyani?
Valavu ya mpira ndi valavu yotembenukira kotala yomwe imagwiritsa ntchito gawo lopanda kanthu, lokhala ndi perforated kuti lilamulire kuyenda. Pamene dzenje likugwirizana ndi payipi, madzimadzi amadutsa momasuka; ikatembenuzidwa madigiri 90, kutuluka kumatsekedwa. Amadziwika kuti amatseka mwachangu, kusindikiza kolimba, komanso kukana dzimbiri, ma valve a mpira amagwiritsidwa ntchito kwambiri m'mafakitale monga mafuta ndi gasi, kuyeretsa madzi, komanso kukonza mankhwala chifukwa chodalirika komanso kutayikira kochepa.
Kodi Gate Valve ndi chiyani?
Valve yachipata ndi valavu yotseka yomwe imayendetsa kutuluka kwa madzi mwa kukweza kapena kutsitsa chipata mkati mwa thupi la valve. Ikatsegulidwa, imapereka njira yowongoka, yopanda malire yokhala ndi kutsika kochepa kwambiri. Imagwira ntchito pang'onopang'ono kudzera m'mizere yozungulira, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito zonse-osati kugwedezeka. Ma valve a zipata amagwiritsidwa ntchito kwambiri m'makina amadzi, mafuta oyeretsera mafuta, ndi mizere ya nthunzi chifukwa cha kusindikiza kwawo kodalirika komanso kukwanitsa kuthana ndi kuthamanga kwakukulu ndi kutentha.
Kusiyana Kwakukulu PakatiValve ya MpirandiChipata cha Chipata
1. Ntchito ndi Kuwongolera Kuyenda
Valavu ya mpira imagwira ntchito potembenuza mpira wokhala ndi dzenje kudutsamo ndi madigiri 90, kulola kapena kuyimitsa kuyenda nthawi yomweyo. Kuchitako mwachangu kumeneku kumapangitsa kukhala koyenera kutseka mwachangu koma kungayambitse nyundo yamadzi muzinthu zovutirapo. Sikoyenera kugwedezeka chifukwa kutsegula pang'ono kumatha kuwononga mipando ndikuyambitsa kutayikira.
Mosiyana ndi zimenezi, valavu ya pachipata imagwiritsa ntchito chipata chomwe chimayenda mmwamba ndi pansi kuti chiwongolere kuyenda. Zimafunika kutembenuka kangapo kuti zigwire ntchito, zomwe zimathandiza kuchepetsa chiopsezo cha nyundo yamadzi. Ngakhale imatha kutulutsa mpweya, kutero kumatha kuwononga chipata ndikuchepetsa kusindikiza bwino.
2. Kusindikiza ndi Kutayikira
Ma valve a mpira amapereka chisindikizo cholimba kwambiri chifukwa cha mapangidwe awo, ngakhale atakhala osagwiritsidwa ntchito kwa nthawi yayitali. Sangathe kudontha chifukwa ali ndi njira zochepa zotayikira ndipo amagwiritsa ntchito mipando yofewa yopanikizidwa mwamphamvu motsutsana ndi mpira.
Ma valve a zipata amapereka chisindikizo chokwanira atatsekedwa kwathunthu, koma malo awo osindikizira amatha kuvala ndi kugwiritsidwa ntchito kawirikawiri, kuonjezera chiopsezo cha kutayikira. Amakhalanso ovuta kutulutsa pozungulira tsinde chifukwa cha kayendedwe ka mzere panthawi ya ntchito.
3. Kutsika kwa Pressure ndi Makhalidwe Oyenda
Akatsegula, ma valve a mpira amalola kuti kuyenda kwa njira yowongoka, zomwe zimapangitsa kuti kutsika kwapansi kukhale kochepa. Mapangidwe a madoko athunthu amafanana ndi kukula kwa chitoliro kuti aziyenda bwino, pomwe mitundu yocheperako imakhala yaying'ono koma imatha kuchepetsa kuyenda.
Ma valve a zipata amaperekanso njira yowongoka, yosasunthika yothamanga ikatsegulidwa kwathunthu, kuwapangitsa kukhala abwino kwambiri pamapulogalamu othamanga kwambiri omwe ali ndi vuto lotsika kwambiri.
4. Kukhalitsa ndi Kusamalira
Mavavu ampira amakhala olimba komanso osasamalidwa bwino, chifukwa cha magawo ochepa osuntha komanso kuyenda kozungulira komwe kumachepetsa kuvala kwa tsinde. Makina awo osavuta amawapangitsanso kukhala osavuta kupanga.
Ma valve olowera pachipata amatha kuvala pakapita nthawi, makamaka ngati sagwiritsidwa ntchito moyenera kapena amakumana ndi madzi otsekemera. Nthawi zambiri amafunikira chisamaliro chochulukirapo, makamaka kuzungulira tsinde.
Ubwino waValve ya MpirandiChipata cha Chipata
Ubwino waValve ya Mpira
1. Kuchita Mwamsanga: Ma valve a mpira amakhala ndi makina ozungulira kotala, omwe amalola kutsegula ndi kutseka mofulumira. Izi zimawapangitsa kukhala abwino kwa mapulogalamu omwe amafunikira kuzimitsidwa nthawi yomweyo, monga machitidwe oyankha mwadzidzidzi kapena njira zodzipangira okha.
2. Kusindikiza Kwambiri: Mapangidwe awo ozungulira amatsimikizira chisindikizo chabwino kwambiri akatsekedwa, kuchepetsa chiopsezo cha kutayikira. Izi ndizofunikira kwambiri pakugwiritsa ntchito madzi owopsa kapena okwera mtengo, zomwe zimapangitsa kuti ma valve a mpira akhale chisankho chabwino kwambiri pamafakitale amafuta ndi mafuta.
3. Kusamalira Pang'onopang'ono: Pokhala ndi ziwalo zosuntha zochepa poyerekeza ndi ma valve ena, ma valve a mpira amakhala ndi moyo wautali ndipo amafuna kutumikiridwa kawirikawiri. Mapangidwe awo osavuta amachepetsa kuwonongeka, kuchepetsa ndalama zolipirira pakapita nthawi.
4. Ntchito Zosiyanasiyana: Zokwanira pazofalitsa zosiyanasiyana, kuphatikizapo zakumwa, mpweya, ndi slurries, ma valve a mpira amatha kugwira ntchito pa kutentha ndi kupanikizika. Kusinthasintha kwawo kumawapangitsa kukhala otchuka m'magawo monga kuthira madzi, mafuta ndi gasi, komanso kukonza chakudya.
5. Kuwongolera Kuyenda Kolondola: Ngakhale kuti amagwiritsidwa ntchito poyambitsa / kuzimitsa, ma valve ena a mpira okhala ndi V - mawonekedwe kapena ma doko - amatha kupereka mphamvu zomveka bwino, zomwe zimathandiza kuti pakhale kayendetsedwe kake kake.
Ubwino waChipata cha Chipata
1. Kukaniza Kwapang'onopang'ono: Kutsegula kwathunthu, mavavu a zipata amapereka njira yowongoka - yodutsa popanda chipwirikiti chochepa komanso kutsika kwamphamvu. Kuyenda kosalephereka kumeneku kumapangitsa kuti azigwira ntchito bwino pamapaipi akuluakulu m'mafakitale monga zoperekera madzi, mafuta ndi gasi, komwe kusungitsa liwiro lakuyenda ndikofunikira.
3. High - Pressure and High - Kulekerera Kutentha: Kupangidwa ndi zipangizo zolimba monga chitsulo chosungunuka, chitsulo chosapanga dzimbiri, kapena zitsulo zopangira, ma valve a zipata amatha kupirira kupanikizika kwakukulu ndi kutentha. Izi zimawapangitsa kukhala oyenera malo ofunikira monga malo opangira magetsi, zoyeretsera, ndi makina opangira nthunzi zamakampani.
5. Mtengo - Wogwira Ntchito Pamapaipi Aakulu - M'mimba mwake: Pa mapaipi akuluakulu, ma valve a zipata nthawi zambiri amakhala otsika mtengo kuposa njira zina. Mapangidwe awo osavuta komanso osavuta kupanga amathandizira kuchepetsa mtengo wopangira, kuwapangitsa kukhala chisankho chothandiza pama projekiti omwe bajeti ndi magwiridwe antchito ziyenera kukhala zofananira.
Mfundo Zokhudza Kusankha BwinoMavavu:Valve ya MpirakapenaChipata cha Chipata?
Poyerekeza ma valve a mpira ndi ma valve a pachipata, kusiyana kwawo kwakukulu kumagona pakugwira ntchito, kusindikiza, ndi mawonekedwe akuyenda.
① Ikani Mavavu A Mpira Patsogolo Pamene:
- Kugwira Ntchito Mwachangu Ndikofunikira: Pakutseka kwadzidzidzi - kuzimitsa makina kapena njira zodzichitira zomwe zimafuna kusokonezedwa msanga.
- Kutayikira - Kusindikiza Zinthu Zolimba: Mukamagwira ndi madzi owopsa, okwera mtengo, kapena owononga, monga m'mafakitale kapena kupanga mankhwala.
- Kuthamanga Kwapang'onopang'ono Kumafunika: Pazinthu zomwe zimafunikira kusintha koyenda pang'ono, monga kuwongolera kayendedwe ka madzi mumayendedwe ang'onoang'ono amthirira.
② Sankhani Mavavu A Zipata Pamene:
- Kuyenda Mosatsekeka Ndikofunikira: Pamapaipi akulu kwambiri ogawa madzi, mafuta ndi gasi, komwe kuchepetsa kutsika ndikofunikira.
- Kutseka Kwa Nthawi Yaitali - Kuzimitsa Kumafunika: Pakupatula magawo a mapaipi panthawi yokonza kapena m'makina omwe amagwira ntchito m'malo otseguka kapena otsekedwa, monga m'mafakitale amagetsi.
Zochitika Zapadera:
- Kutentha - Kutentha Kwambiri ndi Kuthamanga Kwambiri - Malo Opanikizika: Ma valve a zipata nthawi zambiri amawakonda chifukwa cha zomangamanga zolimba komanso amatha kupirira zinthu zovuta kwambiri, koma ma valve apamwamba a mpira omwe ali ndi zipangizo zapadera angakhalenso oyenera ngati ntchito yofulumira ndi kusindikiza kolimba kumafunika panthawi imodzi.
- Slurry kapena Viscous Media: Mavavu a mpira okhala ndi mawonekedwe odzaza - madoko amatha kugwira bwino ntchito, kuteteza kutsekeka, pomwe ma valve a pachipata amatha kuvutikira ngati media ipangitsa chipata kumamatira kapena kuwunjika zinyalala.
Mwachidule, kusankha pakati pa ma valve a mpira ndi ma valve a zipata zimadalira zosowa zanu zenizeni.
Mavavu ampira ndi abwino kwambiri pakuwongolera / kuzimitsa mwachangu komanso kusindikiza mwamphamvu, kuwapangitsa kukhala oyenera kuthana ndi madzi owopsa komanso kuzimitsa mwadzidzidzi.
Ma valve a zipata amapambana popereka kuyenda kosasunthika ndi kugwiritsira ntchito kuthamanga kwakukulu, koyenera kwa mapaipi akuluakulu ndi ntchito zotseka kwa nthawi yaitali.
Ganizirani za mtundu wamadzimadzi anu, momwe mungagwiritsire ntchito, ndi zofunikira zenizeni kuti mupange chisankho choyenera cha dongosolo lanu.
Nthawi yotumiza: Jun-23-2025