Makina amadzi a m'matauni amafunikira ma valve olimba kuti aziyenda bwino, asinthe mphamvu, komanso kuti zinthu zisinthe.Ma valve a gulugufeMapaipi apakati mpaka akuluakulu ndi otchuka chifukwa cha kapangidwe kake kakang'ono, kuchitapo kanthu mwachangu, komanso kugwiritsa ntchito ndalama zochepa.
Koma kusankha chimodzi sikuti ndi kukula kokha—zinthu, diski, mpando, maulumikizidwe, kuyesedwa kwa kuthamanga kwa mpweya, kugwiritsa ntchito, ndi kukhazikitsa zonse zimakhudza kudalirika kwa nthawi yayitali. Valavu yomwe imagwira ntchito m'nyumba yaying'ono ingalephereke mu malo opatsira magetsi, malo opopera madzi, kapena malo otulutsira madzi.
Nkhaniyi ikufotokoza momwe ma valve a gulugufe amagwiritsidwira ntchito popereka magetsi m'matauni, mfundo zofunika, ndi njira zopewera mavuto ofala monga kutuluka kwa madzi, kugwira ntchito molimbika, kutaya mphamvu, komanso kuvala mipando msanga.
Ine. Chifukwa chiyaniMa Vavu a GulugufeNdizofala m'machitidwe amadzi a mumzinda
Mu ma network a boma, ma valve a gulugufe amagwiritsidwa ntchito kwambiri m'mapaipi akuluakulu kuti azitha kudzipatula, kulamulira, komanso kupopera, zomwe zimapereka zabwino zitatu zazikulu kuposa ma valve a chipata:
1. Kukula kochepa:miyeso yayifupi yoyang'anana maso ndi maso imasunga malo m'zipinda za ma valve ndi malo apansi panthaka.
2. Kugwira ntchito mwachangu:Valavu ya gulugufe imangofunika kuzunguliridwa 90° kuti itsegule ndi kutseka, ndipo pogwiritsa ntchito chida cha nyongolotsi kapena actuator yamagetsi/hydraulic, kugwira ntchito kwa diameter yayikulu kumakhala kosavuta.
3. Kugwira ntchito bwino kwa mtengo:Kulemera kopepuka kumachepetsa ndalama zogulira zinthu, mayendedwe, ndi kukhazikitsa, zomwe zimapangitsa kuti ntchito zazikulu zitheke.
Komabe, sizili zoyenera malo onse. Chimbalecho chimakhalabe m'njira yoyendera madzi, zomwe zimapangitsa kuti mphamvu ichepe, ndipo mitundu yofewa imatha kuwonongeka msanga m'madzi amchenga kapena okhala ndi matope. Nthawi zonse onani momwe malowo alili musanasankhe.
II. Kugwiritsa Ntchito Kawirikawiri Popereka Madzi ku Maboma
Kupereka madzi m'boma si chinthu chimodzi chokha chogwirira ntchito. Dongosolo la madzi mumzinda likhoza kukhala ndi madzi osaphika, mapaipi a zomera zotsukira madzi, malo osungira madzi oyera, mapayipi opatsira madzi, malo opopera madzi, maukonde ogawa madzi, ndi mizere ya nthambi. Ma valve a gulugufe angagwiritsidwe ntchito m'malo angapo mwa awa, koma zofunikira pa kapangidwe kake sizofanana nthawi zonse.
III. Mapaipi a Malo Okonzera Madzi
M'malo oyeretsera madzi, ma valve a gulugufe nthawi zambiri amagwiritsidwa ntchito polowera ndi kutulutsa madzi, kusefa, kutsuka m'mbuyo ndikuwongolera njira zoyendetsera ntchito. Amafunika kugwiritsidwa ntchito pafupipafupi, kutseka kodalirika komanso kukana dzimbiri. Ma valve achitsulo opangidwa ndi epoxy-coated ductile amagwiritsidwa ntchito kwambiri pamadzi oyera ndi madzi oyeretsera. Mipando ya ma valve a EPDM ndi yoyenera madzi akumwa komanso malo ogwirira ntchito abwinobwino. Mankhwala apadera kapena kutentha kwambiri amafunika kutsimikiziridwa kwina.
IV. Malo Opampura
Malo opopera madzi ndi malo ofunikira kwambiri posankha ma valve. Ma valve a gulugufe amagwiritsidwa ntchito m'mapaipi opopera madzi, mapaipi otulutsira madzi, mapaipi odutsa madzi ndi magawo olekanitsa madzi. Ayenera kukhala osavuta kugwiritsa ntchito komanso otha kupirira kusinthasintha kwa kuthamanga kwa madzi panthawi yoyambira ndi kuzimitsa. Pa mapaipi otulutsira madzi, ma valve a gulugufe nthawi zambiri amagwira ntchito ndi ma valve owunikira kuti apewe kubwerera kwa madzi; kuyimitsa kwadzidzidzi kwa pampu kungayambitse nyundo yamadzi, kotero liwiro lotseka ndi kuwongolera kwa actuator ziyenera kuganiziridwa mosamala.
V. Malo Osungiramo Madzi ndi Malo Otulutsira Matanki
Ma valve a gulugufe amagwiritsidwanso ntchito m'malo osungiramo madzi, maiwe ndi malo osungira madzi oyera. Nthawi zambiri amatsegulidwa kwa nthawi yayitali ndipo amatsekedwa kuti azikonzedwa kokha. Kutseka kwa nthawi yayitali, kupondereza ndi kuteteza dzimbiri kuyenera kusamalidwa. Ngati valve siigwiritsidwa ntchito kawirikawiri, pakapita zaka zambiri bokosi la gear limatha kumatirira, mpando wa valve ukhoza kukalamba, kapena tsinde la valve likhoza kuzizira, zomwe zimakhudza magwiridwe antchito. Chifukwa chake, mapulojekiti a m'matauni sayenera kungoyang'ana mtengo wogulira, komanso kuganizira momwe ntchito yokonza idzakhalire.
VI. Kupatula Netiweki Yogawa
Mu maukonde ogawa madzi a m'matauni, mavavu amagwiritsidwa ntchito pogawa madzi kuti achepetse kufalikira kwa madzi panthawi yokonza. Mavavu a gulugufe ndi oyenera malo ogawa madzi akuluakulu chifukwa cha kukula kwawo kochepa komanso kulemera kwawo kopepuka. Mukayika pansi pa nthaka kapena mu chitsime cha valavu, njira yogwiritsira ntchito iyenera kusankhidwa kutengera momwe zinthu zikuyendera: ma wrench amanja si oyenera ma diameter akuluakulu, ma gear transmission a nyongolotsi amagwiritsidwa ntchito kwambiri, ndipo makina akutali kapena a SCADA ali ndi ma actuator amagetsi.
VII. Zinthu Zofunika Kwambiri Zosankha Mabungwe a MunicipalitiesMa Vavu a Gulugufe
Vavu ya gulugufe wamadzi ya boma iyenera kusankhidwa kutengera momwe ntchito ikuyendera osati kukula kwake kokha. Mfundo zotsatirazi nthawi zambiri zimawunikidwanso panthawi ya uinjiniya kapena kugula.
1. Mtundu wa Vavu ndi Kulumikiza Mapeto
Mitundu yodziwika bwino yolumikizira ma valavu a gulugufe ndi monga wafer, lug, U-type, ndi mapangidwe awiri opindika. Mtundu uliwonse uli ndi mawonekedwe osiyana oyika.
- Vavu Yokulungira Mtundu wa Gulugufe:Kapangidwe kakang'ono, kotsika mtengo, komwe kamagwiritsidwa ntchito pomanga, kuziziritsa mpweya ndi mizere yothandizira ya boma; komabe, mtundu wa flange kapena mtundu wa lug umalimbikitsidwa pa ntchito zobisika kapena zolemera.
- LugTindeValavu ya Gulugufe:ndi zolumikizira za ulusi, zomwe zimatha kukhazikika mbali zonse ziwiri, zomwe zimapangitsa kuti zikhale zosavuta kusokoneza chitoliro mbali imodzi komanso zoyenera kukonzedwa.
- KawiriFlanged Valavu ya Gulugufe: amagwiritsidwa ntchito pa mapaipi akuluakulu, malo opumira madzi ndi malo opopera madzi, okhala ndi kulumikizana kolimba, kukana kugwedezeka bwino komanso kukhazikika kwambiri.
2. Kuyeza kwa Kupanikizika
Ma PN10, PN16 kapena Class 150 amagwiritsidwa ntchito kwambiri pa mapaipi amadzi a m'matauni. Kusankhaku sikuyenera kungoyang'ana kuthamanga kwabwinobwino kwa ntchito, komanso kuganizira momwe ntchito imagwirira ntchito kwakanthawi monga nyundo yamadzi, kuthamanga kwa kupompa ndi kusiyana kwa kutalika. Mwachitsanzo, ngakhale kuthamanga kwabwinobwino kwa payipi kuli kotsika kuposa PN10, kuthamanga kwa kuthamanga komwe kumachitika chifukwa choyambira ndi kuyimitsa kwa pompo kungafunike mulingo wapamwamba. Kuthamanga kwa kuthamanga ndi kuthamanga kwa mayeso kuyenera kutsimikiziridwa nthawi yomweyo musanasankhe.
3. Zinthu Zofunika pa Thupi ndi Zophimba
Thupi la ma valve a gulugufe a madzi a m'boma nthawi zambiri limapangidwa ndi chitsulo chosungunuka, chomwe chili ndi mphamvu komanso kulimba kuposa chitsulo choyera ndipo chimayenera kugwiritsidwa ntchito ponyamula mphamvu. Madzi oyera ndi madzi akumwa nthawi zambiri amapakidwa ndi utomoni wosakanikirana wa epoxy kuti ateteze dzimbiri. Chitsulo chosungunuka cha madzi a m'boma nthawi zambiri chimakhala chotsika mtengo; ngati pali madzi a m'nyanja, madzi amchere kapena madzi owononga kwambiri, chitsulo chosapanga dzimbiri kapena zinthu zamkuwa za aluminiyamu ziyenera kuganiziridwa.
4. Zinthu Zofunika pa Chimbale
Chimbale cha gulugufe chimalumikizana mwachindunji ndi madzi, ndipo zinthu zake zimakhudza kukana dzimbiri ndi magwiridwe antchito otseka. Zipangizo zomwe zimagwiritsidwa ntchito nthawi zambiri zimaphatikizapo chitsulo chopopera, SS304, SS316 ndi mkuwa wa aluminiyamu. Makina wamba amadzi oyera amatha kusankha mbale za gulugufe zopopera kapena zitsulo zosapanga dzimbiri, kutengera bajeti ndi momwe zimagwirira ntchito; pazabwino zamadzi kapena ntchito za m'mphepete mwa nyanja, SS316 kapena mkuwa wa aluminiyamu ndizomwe zimalimbikitsidwa kuti zikhale zolimba.
5. Zipangizo za Mpando
EPDM ndiye chisankho choyamba cha ma valve agulugufe ofewa otsekedwa bwino a madzi a m'boma, omwe salowa madzi komanso sakalamba. NBR ndi yolimba mafuta koma sigwiritsidwa ntchito kawirikawiri pamadzi akumwa; PTFE ili ndi kukana kwabwino kwa mankhwala koma yosalimba ndipo imagwiritsidwa ntchito kwambiri pazifukwa za mankhwala kapena zapadera. Kusankha kolakwika mpando wa valve kungayambitse kutuluka kwa madzi, kufutukuka, kuuma kapena kutayika kwa chisindikizo.
6. Njira Yogwirira Ntchito
Ma valve ang'onoang'ono a gulugufe amatha kugwiritsa ntchito zogwirira, ndipo mainchesi akuluakulu a boma nthawi zambiri amafunikira kutumiza zida za nyongolotsi kuti asunge ntchito ndikuthandiza kuwongolera kutsegula. Kuwongolera kutali ndi ma actuator amagetsi, pneumatic kapena hydraulic. Malo opopera ndi maukonde apaipi odziyimira pawokha ayenera kudziwa mosamala nthawi yotseka actuator: mofulumira kwambiri kungayambitse nyundo yamadzi, ndipo pang'onopang'ono kwambiri sikungakwaniritse zofunikira zowongolera. Tsatanetsatane uyenera kutsimikiziridwa kutengera kutalika kwa chitoliro, kuchuluka kwa madzi, mawonekedwe a pampu ndi njira yowongolera.
VIII. Onani Kugwirizana kwa Flange
Musanayambe kukhazikitsa, muyezo wa flange, kapangidwe ka dzenje la bolt, pamwamba pa gasket, ndi kukula kwake ziyenera kutsimikiziridwa. Miyezo yofanana ya flange ndi EN, DIN, ANSI, JIS, ndi AS. Ngati kuboola flange sikukugwirizana ndi thupi la valavu, kuyika mokakamiza kumatha kuwononga valavu kapena kuyambitsa kutuluka kwa madzi pa kulumikizana kwa flange.
IX. Sungani Chimbale Choyera Mukakhazikitsa
Chimbale cha valavu ya gulugufe chimazungulira mkati mwa payipi. Pakuyika, payenera kukhala malo okwanira kuti diskiyo itsegule bwino popanda kukhudza chitoliro, flange, gasket, kapena lining. Izi ndizofunikira kwambiri pa mavalavu a gulugufe a wafer ndi mapaipi okhala ndi mzere.
X. Pewani Kupsinjika Kwambiri kwa Mapaipi
Valavu siyenera kugwiritsidwa ntchito kukonza kusokonekera kwa chitoliro. Ngati payipiyo sinathandizidwe bwino, kupsinjika kwakukulu kungasamutsidwire ku thupi la valavu ndi kulumikizana kwa flange. Pakapita nthawi, izi zingayambitse kutuluka kwa madzi, kugwira ntchito movutikira, kapena kuwonongeka kwa mpando.
XI. Tsukani Paipi Musanayambe Kugwira Ntchito
Mapaipi a boma akhoza kukhala ndi zotsalira zolumikizira, mchenga ndi zinyalala zina asanayambe kugwira ntchito. Ngati adutsa mu valavu panthawi yogwira ntchito, pamwamba pake padzakanda. Chifukwa chake, kutsuka payipi musanayigwiritse ntchito ndi sitepe yosavuta koma yofunika kwambiri.
XII. Mavuto Ofala Pakugwiritsa Ntchito Ma Valve a Gulugufe a Municipal
Mu ntchito zenizeni zamadzi, mavuto a ma valvu a gulugufe nthawi zambiri amayamba chifukwa cha kusankha, kukhazikitsa, ndi kukonza zinthu. Mavuto otsatirawa nthawi zambiri amapezeka:
1. Kutayikira kwamkati
Madzi akadali akudutsa atatseka. Chifukwa chake chingakhale chakuti mpando wa valavu wawonongeka, mbale ya gulugufe yawonongeka, zinyalala zakhazikika pamwamba pa chotsekera, zinthuzo sizili bwino, kapena choyeretsera sichinakonzedwe bwino. Kutayikira kwamkati m'machitidwe a m'matauni nthawi zambiri kumakhala kovuta kuzindikira ndipo kumawonekera pokhapokha ngati gawo lodzipatula silingathe kuchotsedwa madzi panthawi yokonza.
2. ZakunjaKutaya madzi
Zimachitika pa maulumikizidwe a flange, ma valvu kapena ma valvu. Kutuluka kwa flange kumachitika makamaka chifukwa cha gasket, kulimbitsa bolt, kulumikizana kwa flange kapena mavuto okhudzana ndi kupsinjika kwa mapaipi; kutuluka kwa valvu kumagwirizana kwambiri ndi kuwonongeka kwa ma clocks kapena kusasangalala kwa nthawi yayitali pantchito.
3. Zovuta kugwiritsa ntchito
Zitha kuchitika chifukwa cha kuwonongeka kwa bokosi la gearbox, dzimbiri la tsinde la valve, kusintha kwa mpando wa valve, kusonkhanitsa zinyalala kapena kusiyana kwakukulu kwa kuthamanga. Ma valve akuluakulu sayenera kugwiritsidwa ntchito mwamphamvu kuti apewe kuwononga bokosi la gearbox kapena tsinde la valve.
4. Nyundo yamadzi ndi kugwedezeka
Kuzimitsa mwachangu, kuyimitsa pampu, kuyenda mobwerera m'mbuyo kapena kuthamanga kwambiri kwa madzi kungayambitse nyundo yamadzi. Malo opopera ndi mapaipi akutali ayenera kuwunikidwa panthawi yopangira. Itha kuthetsedwa mokwanira mwa kusintha nthawi yotseka, kusankha ma valve owunikira, kukhazikitsa ma valve otulutsa utsi, matanki okhazikika a kupanikizika ndikuwongolera njira zowongolera.
XIII. Mndandanda Woyang'anira Kugula Mapulojekiti a Madzi a M'mizinda
Kupereka chidziwitso chonse pofunsa mafunso kungathandize kuchepetsa kusamvetsetsana ndikulola opanga kupereka malingaliro oyenera.
- M'mimba mwake mwa dzina, monga DN200
- Kuyeza kuthamanga kwa magazi, monga PN10, PN16, kapena Class 150
- Mtundu wolumikizira, monga wafer, lug, U-type, kapena double flanged
- Muyezo wa Flange, monga EN 1092-2, ANSI B16.5, JIS 10K, kapena AS2129
- Madzi apakati, monga madzi osaphika, madzi oyeretsedwa, madzi akumwa, kapena madzi a m'nyanja
- Kutentha kogwira ntchito ndi kuthamanga kwabwinobwino kwa ntchito
- Zofunikira pa thupi, diski, tsinde, ndi mipando
- Njira yogwiritsira ntchito, monga chogwirira, zida za nyongolotsi, choyendetsera magetsi, kapena choyendetsera madzi cha hydraulic
- Zofunikira pakuphimba, makamaka ma valve achitsulo opangidwa ndi ductile
- Zofunikira pa satifiketi kapena mayeso, monga malipoti oyesa kupanikizika kapena satifiketi zofunikira
Kufotokozera bwino tsatanetsatane pasadakhale kungapewe vuto la kusiyana kwakukulu kwa mitengo ya ma valve a caliber imodzi chifukwa cha zipangizo zosiyanasiyana, mipando ya ma valve, miyezo ya flange ndi milingo yoyesera.
XIV. Nthawi Yogwiritsira Ntchito Ma Vavu a Chipata Kapena Kuyang'ana Ma Vavu Pamodzi
Makina amadzi a boma nthawi zambiri amafuna kugwiritsa ntchito ma valve osiyanasiyana, monga ma valve a gulugufe, ma valve otsekera zipata zofewa, ma valve owunikira, ma valve ochepetsa kupanikizika,valavu yotulutsa mpweyandi zosefera, chilichonse chili ndi malo ake oyenera.
- Valavu ya chipata:amagwiritsidwa ntchito pazigawo za mapaipi zomwe zimafuna mainchesi onse ndi kutayika kwa madzi pang'ono.
- Valavu yowunikira:Amagwiritsidwa ntchito poletsa kubwerera kwa madzi, makamaka pamalo otulutsira madzi.
- Valavu yochepetsera kupanikizika:amagwiritsidwa ntchito polamulira kuthamanga kwa mpweya m'dera.
- Valavu ya gulugufe:yoyenera zochitika zokhala ndi malo ochepa, ntchito yachangu komanso magwiridwe antchito okwera mtengo.
Ma valve a gulugufe nthawi zambiri amagwiritsidwa ntchito ngati ma valve odzipatula m'malo opopera madzi, ndipo ma valve owunikira amapangidwanso kuti asabwerere m'mbuyo. Kukula ma valve awa ngati dongosolo lonse m'malo mowaganizira pawokha kumabweretsa kudalirika kwakukulu pakugwira ntchito.
XV. Mapeto
Ma valve a gulugufeAmagwira ntchito yofunika kwambiri m'machitidwe operekera madzi m'matauni, makamaka m'malo oyeretsera madzi, malo opopera madzi, malo osungira madzi, mizere yotumizira madzi, ndi maukonde ogawa madzi. Kapangidwe kawo kakang'ono, kulemera kochepa, kugwira ntchito mwachangu, komanso mtengo wopikisana nawo zimapangitsa kuti akhale oyenera kugwiritsa ntchito mapaipi ambiri amadzi apakati ndi akulu. Takulandirani kuti mudzafunse.
Nthawi yotumizira: Ogasiti-05-2026
