Chipata valavu ndi wamba ambiri valavu, ambiri ntchito, makamaka ntchito kusungira madzi, zitsulo ndi mafakitale ena, osiyanasiyana ake osiyanasiyana ntchito wakhala anazindikira ndi msika, TWS mu khalidwe ndi luso kuyang'aniridwa ndi kuyezetsa ntchito kwa zaka zambiri, kuwonjezera pa kudziwika mavavu pachipata ndi kafukufuku wina, komanso pa ntchito mavavu pachipata, kuthetsa mavuto ndi zinthu zina kusamala ndi kufufuza zinthu zina.
Malinga ndi mawonekedwe osiyanasiyana a ma valve a pachipata, ma valve a pachipata amatha kugawidwa m'magulu awiri: mtundu wa wedge ndi mtundu wofanana.
Chipinda cha chipata cha valavu ya chipata cha wedge chimakhala chofanana ndi mphero, ndipo malo osindikizira amatsatiridwa pamzere wapakati pa njirayo, ndipo mphero pakati pa mbale ya chipata ndi mpando wa valve umagwiritsidwa ntchito kuti akwaniritse kusindikiza (kutseka). Mbalame ya wedge ikhoza kukhala chipata chimodzi kapena zipata ziwiri.
Malo osindikizira a valve yachipata chofanana ndi ofanana kwa wina ndi mzake ndi perpendicular kwa mzere wapakati wa njira, yomwe imagawidwa m'mitundu iwiri: ndi popanda kutsegula njira. Pali nkhosa yamphongo iwiri yokhala ndi makina omangira, pamene nkhosa yamphongo imatsikira pansi, mphero ya nkhosa ziwiri zofananira imakwezedwa pampando wa valve ndi ndege yolowera, njira yothamanga imadulidwa, nkhosa ikakwera ndikutsegula, mphero imasiyanitsidwa ndi nkhosa yamphongo yokwera pamwamba, nkhosa yamphongo imakwera pamtunda wina, ndipo mpheroyo imagwiridwa ndi bwanayo. Nkhosa yamphongo ikalowa pampando wa valve pamipando iwiri yofanana ya valavu, kuthamanga kwamadzimadzi kumagwiritsidwa ntchito kukanikiza nkhosa yamphongo pa valavu yomwe ili pambali ya valve kuti isindikize madzi.
Malingana ndi kayendetsedwe kake ka tsinde la valve pamene chipata chimatsegulidwa ndi kutsekedwa, ma valve a zipata amagawidwa m'magulu awiri: ma valve okwera tsinde ndi ma valve obisika obisika. Tsinde la valve ndi chipata cha valavu ya tsinde yokwera imakwera ndi kugwa panthawi imodzimodziyo potsegula kapena kutseka; pamene valavu ya chipata chobisika imatsegulidwa kapena kutsekedwa, tsinde la valve limangozungulira, ndipo kukwera ndi kugwa kwa tsinde la valve sikungathe kuwonedwa, ndipo mbale ya valve imakwera kapena kugwa. Ubwino wa valavu yachipata cha tsinde ndikuti kutalika kotsegulira njira kumatha kuweruzidwa ndi kutalika kwa tsinde la valve, koma kutalika komwe kumakhalako kumatha kufupikitsidwa. Mukayang'anizana ndi gudumu la m'manja kapena chogwirira, tembenuzirani gudumu lamanja kapena chogwirizira molunjika kuti mutseke valavu.
2. Nthawi ndi mfundo zosankhidwa za ma valve a zipata
01. Valve yachipata chathyathyathya
Nthawi zina ma valve a flat gate:
(1) Mapaipi amafuta ndi gasi. Mavavu a chipata chophwanyidwa okhala ndi mabowo otembenuzira nawonso ndiwosavuta kuyeretsa mapaipi.
(2) Mapaipi ndi zida zosungiramo mafuta oyeretsedwa.
(3) Malo opangira mafuta ndi gasi.
(4) Mapaipi okhala ndi media yoyimitsidwa.
(5) Mapaipi otumizira gasi mumzinda.
(6) Ntchito zopezera madzi.
Mfundo yosankhidwa ya valve ya flat gate:
(1) Pamapaipi otumizira mafuta ndi gasi, mavavu a zipata za mbale okhala ndi zipata chimodzi kapena ziwiri amasankhidwa. Ngati mukufuna kuyeretsa payipi, sankhani valavu yachipata chotseguka chokhala ndi nkhosa yamphongo imodzi ndi bowo lolowera.
(2) Pa payipi yonyamulira ndi zida zosungira mafuta oyengedwa, valavu yachipata chathyathyathya yokhala ndi chipata chimodzi kapena iwiri yopanda dzenje lopatukira imasankhidwa.
(3) Pachida chogwiritsira ntchito doko lamafuta ndi gasi, valavu yachipata chathyathyathya yokhala ndi mbale imodzi kapena iwiri yokhala ndi mpando wa valavu woyandama ndi ndodo yakuda imasankhidwa.
(4) Kwa mapaipi okhala ndi tinthu tating'onoting'ono, mavavu a chipata chowoneka ngati mpeni amasankhidwa.
(5) Pamapaipi opatsira gasi akutawuni, chipata chimodzi kapena mbale ziwiri zofewa zotsekera ndodo yotseguka zimasankhidwa.
(6) Pantchito zoperekera madzi, chipata chimodzi kapena valavu yachipata chapawiri yopanda dzenje lotsegulira ndodo yotseguka imasankhidwa.
02. Valve yachipata cha wedge
Nthawi zogwiritsira ntchito ma valve a Wedge gate: m'mitundu yosiyanasiyana ya ma valve, valve yachipata ndi yomwe imagwiritsidwa ntchito kwambiri, nthawi zambiri imakhala yoyenera kutseguka kapena kutsekedwa kwathunthu, sikungagwiritsidwe ntchito kusintha ndi kugwedeza.
Ma valve pachipata cha wedge nthawi zambiri amagwiritsidwa ntchito m'malo omwe mulibe zofunikira zenizeni za miyeso yakunja ya valavu, ndipo momwe amagwiritsidwira ntchito ndizovuta kwambiri. Mwachitsanzo, sing'anga yogwira ntchito yotentha kwambiri komanso kuthamanga kwambiri kumafuna kuti magawo otsekera asindikizidwe kwa nthawi yayitali.
Kawirikawiri, kugwiritsira ntchito kuthamanga kwapamwamba, kuthamanga kwapakati (kusiyana kwakukulu kwapakati), kutsika kwapakati (kusiyana kwapang'onopang'ono), phokoso lochepa, cavitation ndi vaporization, kutentha kwapakati, kutentha kwapansi (cryogen), valavu ya chipata cha wedge ikulimbikitsidwa. Mwachitsanzo, amagwiritsidwa ntchito kwambiri m'makampani opanga magetsi, kusungunula mafuta, mafakitale a petrochemical, mafuta akunyanja, uinjiniya wamadzi apampopi ndi uinjiniya wochotsa zimbudzi pomanga m'matauni, komanso mafakitale amankhwala.
Mfundo yosankha:
(1) Zofunikira pa mawonekedwe amadzimadzi a valve. Ma valve a zipata amasankhidwa kuti azigwira ntchito ndi kukana kwazing'ono, kuthamanga kwamphamvu, makhalidwe abwino othamanga komanso zofunikira zosindikizira.
(2) Kutentha kwambiri komanso sing'anga yapamwamba. Monga nthunzi yothamanga kwambiri, kutentha kwambiri komanso mafuta othamanga kwambiri.
(3) Kutentha kochepa (cryogen) sing'anga. Monga madzi ammonia, madzi haidrojeni, okosijeni wamadzimadzi ndi media zina.
(4) Kuthamanga kwapansi ndi kukula kwakukulu. Monga mapulojekiti a madzi apampopi, ntchito zachimbudzi.
(5) Mapaipi otumizira gasi mumzinda.
(6) Ntchito zopezera madzi.
Mfundo yosankhidwa ya valve ya flat gate:
(1) Pamapaipi otumizira mafuta ndi gasi, mavavu a zipata za mbale okhala ndi zipata chimodzi kapena ziwiri amasankhidwa. Ngati mukufuna kuyeretsa payipi, sankhani valavu yachipata chotseguka chokhala ndi nkhosa yamphongo imodzi ndi bowo lolowera.
(2) Pa payipi yonyamulira ndi zida zosungira mafuta oyengedwa, valavu yachipata chathyathyathya yokhala ndi chipata chimodzi kapena iwiri yopanda dzenje lopatukira imasankhidwa.
(3) Pachida chogwiritsira ntchito doko lamafuta ndi gasi, valavu yachipata chathyathyathya yokhala ndi mbale imodzi kapena iwiri yokhala ndi mpando wa valavu woyandama ndi ndodo yakuda imasankhidwa.
(4) Kwa mapaipi okhala ndi tinthu tating'onoting'ono, mavavu a chipata chowoneka ngati mpeni amasankhidwa.
(5) Pamapaipi opatsira gasi akutawuni, chipata chimodzi kapena mbale ziwiri zofewa zotsekera ndodo yotseguka zimasankhidwa.
(6) Pantchito zoperekera madzi, chipata chimodzi kapena valavu yachipata chapawiri yopanda dzenje lotsegulira ndodo yotseguka imasankhidwa.
02. Valve yachipata cha wedge
Nthawi zogwiritsira ntchito ma valve a Wedge gate: m'mitundu yosiyanasiyana ya ma valve, valve yachipata ndi yomwe imagwiritsidwa ntchito kwambiri, nthawi zambiri imakhala yoyenera kutseguka kapena kutsekedwa kwathunthu, sikungagwiritsidwe ntchito kusintha ndi kugwedeza.
Ma valve pachipata cha wedge nthawi zambiri amagwiritsidwa ntchito m'malo omwe mulibe zofunikira zenizeni za miyeso yakunja ya valavu, ndipo momwe amagwiritsidwira ntchito ndizovuta kwambiri. Mwachitsanzo, sing'anga yogwira ntchito yotentha kwambiri komanso kuthamanga kwambiri kumafuna kuti magawo otsekera asindikizidwe kwa nthawi yayitali.
Kawirikawiri, kugwiritsira ntchito kuthamanga kwapamwamba, kuthamanga kwapakati (kusiyana kwakukulu kwapakati), kutsika kwapakati (kusiyana kwapang'onopang'ono), phokoso lochepa, cavitation ndi vaporization, kutentha kwapakati, kutentha kwapansi (cryogen), valavu ya chipata cha wedge ikulimbikitsidwa. Mwachitsanzo, amagwiritsidwa ntchito kwambiri m'makampani opanga magetsi, kusungunula mafuta, mafakitale a petrochemical, mafuta akunyanja, uinjiniya wamadzi apampopi ndi uinjiniya wochotsa zimbudzi pomanga m'matauni, komanso mafakitale amankhwala.
Mfundo yosankha:
(1) Zofunikira pa mawonekedwe amadzimadzi a valve. Ma valve a zipata amasankhidwa kuti azigwira ntchito ndi kukana kwazing'ono, kuthamanga kwamphamvu, makhalidwe abwino othamanga komanso zofunikira zosindikizira.
(2) Kutentha kwambiri komanso sing'anga yapamwamba. Monga nthunzi yothamanga kwambiri, kutentha kwambiri komanso mafuta othamanga kwambiri.
(3) Kutentha kochepa (cryogen) sing'anga. Monga madzi ammonia, madzi haidrojeni, okosijeni wamadzimadzi ndi media zina.
(4) Kuthamanga kwapansi ndi kukula kwakukulu. Monga mapulojekiti a madzi apampopi, ntchito zachimbudzi.
(5) Malo oyika: pamene kutalika kwa unsembe kuli kochepa, valavu ya chipata chakuda chakuda imasankhidwa; Pamene kutalika sikuli kochepa, valavu ya chipata cha ndodo yotseguka imasankhidwa.
(6) Pokhapokha ngati atha kutsegulidwa kwathunthu kapena kutsekedwa kwathunthu, ndipo sangathe kugwiritsidwa ntchito pakusintha ndi kugunda, valavu ya chipata cha wedge imatha kusankhidwa.
3. Zolakwika zofala ndi kukonza
01. Zolakwa zambiri ndi zomwe zimayambitsa ma valve a zipata
Pambuyo pa valavu yachipata, mavuto otsatirawa amapezeka nthawi zambiri chifukwa cha kutentha kwapakati, kupanikizika, corrosion ndi kayendetsedwe kake ka kukhudzana kulikonse.
(1) Kutayikira: Pali mitundu iwiri, ndiyo kutuluka kunja ndi kutuluka mkati. Kutuluka kunja kwa valavu kumatchedwa kutayikira, ndipo kutayikira kumakhala kofala m'mabokosi odzaza ndi ma flange.
Chifukwa cha kutayikira kwa stuffing bokosi: zosiyanasiyana kapena khalidwe kulongedza si kukumana zofunika; Kupaka utoto wokalamba kapena kuvala kwa tsinde; Kutulutsa kotayirira kotayirira Kuphuka pamwamba pa tsinde.
Chifukwa cha kutayikira kwa kugwirizana kwa flange: zinthu kapena kukula kwa gasket sikukwaniritsa zofunikira; Osauka processing khalidwe la flange kusindikiza pamwamba; kumangitsa kosayenera kwa mabawuti olumikizira; Mapaipiwo sanasankhidwe bwino, zomwe zimapangitsa kuti pakhale zochulukira zochulukirapo pamalumikizidwe.
Chifukwa cha kutuluka kwamkati kwa valve: Kutayikira komwe kumachitika chifukwa cha kutsekedwa kosalekeza kwa valve ndi kutuluka kwamkati, komwe kumayambitsidwa ndi kuwonongeka kwa kusindikiza pamwamba pa valve kapena muzu wotayirira wa mphete yosindikizira.
(1) Kuwonongeka nthawi zambiri kumachitika chifukwa cha dzimbiri lamadzi osindikizira a valavu, chivundikiro cha valve, tsinde la valve ndi flange. Kuwonongeka kumachitika makamaka chifukwa cha machitidwe a sing'anga, komanso zotsatira za kutulutsa ayoni kuchokera ku filler ndi gasket.
(2) Abrasion: Kutsuka pamadzi kapena kusenda zomwe zimachitika pamene nkhosa yamphongo ndi mpando wa valve zikuyenda pang'onopang'ono pansi pa kukanikiza kwina kwapadera.
02. Kusamalirama valve pachipata
(1) Kukonzekera kwa kutuluka kwa kunja kwa valve
Mukakanikiza kulongedza, bolt ya gland iyenera kugwiritsidwa ntchito mofananira kuti tipewe kupendekera kwa gland ndikusiya mpata woponderezedwa. Panthawi imodzimodziyo ndikukanikiza kulongedza, tsinde la valve liyenera kuzunguliridwa kuti lipangitse kulongedza mozungulira yunifolomu ya tsinde la valve, ndikuletsa kupanikizika kuti kusakhale kwakufa kwambiri, kuti zisakhudze kuzungulira kwa tsinde la valve, kuonjezera kuvala kwa kulongedza, ndikufupikitsa moyo wautumiki. Pamwamba pa tsinde la valve ndi abrasive, kotero kuti sing'angayo ndi yosavuta kutulutsa, ndipo iyenera kukonzedwa kuti ichotse zipsera pamwamba pa tsinde la valve musanagwiritse ntchito.
Kwa kutayikira kwa kugwirizana kwa flange, ngati gasket yawonongeka, iyenera kusinthidwa; Ngati zinthu za gasket sizikusankhidwa bwino, zinthu zomwe zingathe kukwaniritsa zofunikira zogwiritsira ntchito ziyenera kusankhidwa; Ngati mawonekedwe osindikizira a flange ndi osauka, malo osindikizira a flange ayenera kuchotsedwa ndikusinthidwanso mpaka atayenerera.
Kuphatikiza apo, kumangitsa koyenera kwa mabawuti a flange, kusanjidwa bwino kwa mapaipi, komanso kupewa katundu wowonjezera wowonjezera pamalumikizidwe a flange zonse zimathandiza kupewa kutayikira pagulu la flange.
(2) Kukonza kutayikira mkati mwa valavu
Kukonza zotuluka mkati ndikuchotsa kuwonongeka kwa malo osindikizira ndi kusindikiza kotayirira pamizu (pamene mphete yosindikizira ikanikizidwa mu mbale ya valve kapena mpando ndi ulusi). Ngati malo osindikizira amakonzedwa mwachindunji pa thupi la valve ndi mbale ya valve, palibe vuto la mizu yotayirira ndi kutayikira.
Pamene malo osindikizira awonongeka kwambiri, ndipo malo osindikizira amapangidwa ndi mphete yosindikizira, mphete yakale iyenera kuchotsedwa ndipo mphete yatsopano yosindikiza iyenera kukhala ndi zida; Ngati malo osindikizira apangidwa molunjika pa thupi la valve, malo osindikizira owonongeka ayenera kuchotsedwa poyamba, ndiyeno mphete yatsopano yosindikizira kapena makina opangidwa ndi makina ayenera kuikidwa pamalo atsopano osindikizira. Pamene zokopa, tokhala, akuphwanya, mano ndi zina zolakwika za kusindikiza pamwamba zosakwana 0.05mm, angathe kuthetsedwa ndi akupera.
Pamene mphete yosindikizira ikanikizidwa ndikukhazikika, tepi ya PTFE kapena utoto woyera wandiweyani ukhoza kuikidwa pansi pa mpando wa valve kapena kusindikiza mphete yosindikizira, ndiyeno kukanikizidwa mu chisindikizo kuti muzu wa mphete yosindikizira idzaze; Chisindikizocho chikamangidwa, tepi ya PTFE kapena utoto woyera uyenera kuikidwa pakati pa ulusi kuti madzi asadutse pakati pa ulusi.
(3) Kukonzavalavudzimbiri
Kawirikawiri, thupi la valve ndi bonnet zimakhala zowonongeka mofanana, pamene tsinde la valve nthawi zambiri limatsekedwa. Pokonza, zinthu zowonongeka ziyenera kuchotsedwa poyamba, ndipo tsinde la valve lokhala ndi maenje liyenera kukonzedwa pa lathe kuti lithetse kukhumudwa, ndipo m'malo mwake, zonyamula zomwe zimakhala ndi chotsitsa pang'onopang'ono ziyenera kutsukidwa ndi madzi osungunuka kuti muchotse ma ions omwe amawononga tsinde la valve muzonyamula.
(4) Kukonza abrasion pamalo osindikizira
Mukugwiritsa ntchitovalavu, malo osindikizira ayenera kutetezedwa ku abrasion momwe angathere, ndipo torque siyenera kukhala yaikulu kwambiri pamene valve yatsekedwa. Ngati malo osindikizira ndi abrasive, amatha kuthetsedwa ndi kugaya.
Chachinayi, kuzindikira ma valve a zipata
M'malo amsika omwe alipo komanso zosowa za ogwiritsa ntchito, mavavu a zipata zachitsulo amakhala ndi gawo lalikulu. Monga woyang'anira khalidwe lazinthu, kuwonjezera pa kudziŵa bwino za kuyang'anira khalidwe la mankhwala, tiyeneranso kumvetsetsa bwino za mankhwala omwewo.
01. Maziko oyesera a ma valve achitsulo
Kuyesa kwa valve pachipata chachitsulo kumatengera mtundu wa GB/T12232-2005 "General Valve Flange Connection Iron Gate Valve".
02. Kuyang'ana zinthu za ma valve pachipata chachitsulo
Makamaka zikuphatikizapo: chizindikiro, makulidwe ang'onoang'ono khoma, kuthamanga mayeso, chipolopolo mayeso, etc., amene makulidwe khoma, kupanikizika, chipolopolo mayeso ndi zofunika kuyendera chinthu, komanso chinthu chofunika, ngati pali zinthu nonconforming, akhoza kuweruzidwa mwachindunji ngati mankhwala osayenera.
Mwachidule, kuyang'anira khalidwe la mankhwala ndi gawo lofunika la kuyang'anitsitsa kwazinthu zonse, kufunikira kwake kumadziwonetsera okha, monga ogwira ntchito yoyendera kutsogolo, tiyenera kupitiriza kulimbikitsa khalidwe lawo, osati kuchita ntchito yabwino poyang'ana malonda, komanso kukhala ndi chidziwitso cha kuyendera kwa mankhwala, kuti azichita bwino ntchito yoyendera.
Malingaliro a kampani Tianjin Tanggu Water-Seal Valve Co., Ltdmakamaka kubala zolimba kukhala pansivalavu ya butterfly,valve pachipata,Y-strainer, valavu yolumikizira, valavu yowunika, valavu yolumikizira, choletsa kumbuyo kumbuyo etc.
Nthawi yotumiza: Dec-26-2024
