Mavavu amapaipi ali paliponse. Ngati pali zovuta zilizonse, izi 4 ndizofunikira kuti muthetse mavavu a mapaipi. Kodi tiyenera kulabadira chiyani tikamakhazikitsa?
Kodi mavavu a mapaipi amagwira ntchito bwanji?
Kodi kukhazikitsa izo?
Kodi zizindikiro zodziwika bwino zimatanthauza chiyani?
Ngati pali cholakwika, mungakonze bwanji? Ntchito 4 za valve ya pipeline
Choyamba, kudula ndi kumasula sing'anga
Ichi ndi ntchito yofunikira ya valve, nthawi zambiri amasankha valve yowongoka, kuthamanga kwake kumakhala kochepa.
Valavu yotsekera pansi (valavu yapadziko lonse lapansi, valavu ya plunger) chifukwa cha njira yake yoyenda movutikira, kukana koyenda ndikwapamwamba kuposa ma valve ena, osasankhidwa pang'ono. Ma valve otsekedwa angagwiritsidwe ntchito pamene kukana kwakukulu kumaloledwa.
Awiri, lamulirani kuyenda
Valavu yomwe imakhala yosavuta kusintha nthawi zambiri imasankhidwa kuti ilamulire kuyenda. Ma valve otsekera pansi (monga ma valve a GLOBE) NDI WOYENERA KUCHIFUKWA CHIFUKWA CHIFUKWA MPAndo waukulu ndi wofanana ndi STROKE YA SHUTOFF.
MAVAVU A Rotary (PLUG, butterfly, BALL valves) ndi FLEXURE BODY VALVES (PINCH, DIAPHRAGM) ALIPONSO KUTI THROTTLING CONTROL, koma KAWIRIKAWIRI PAMENE WOKHALA WA VAVU DIAMETERS.
Chipata VALVE NDI chipata chopangidwa ndi chimbale chopita ku doko la mpando wozungulira kuti muyende modutsa, pokhapokha pafupi ndi malo otsekedwa, amatha kuyendetsa bwino kutuluka, kotero nthawi zambiri sagwiritsidwa ntchito poyendetsa kayendedwe.
Chachitatu, kusintha kosintha
Vavu ikhoza kukhala ndi njira zitatu kapena kuposerapo, kutengera kufunikira kobwerera ndi kusuntha. Mavavu a pulagi ndi mpira ndi oyenera kwambiri pazifukwa izi, chifukwa chake, mavavu ambiri omwe amagwiritsidwa ntchito potembenuza ndi kupatutsa amasankhidwa ngati amodzi mwa ma valve awa.
Komabe, MWINA, MITUNDU ENA YA MAVAVU ANGAGWIRITSIDWENSO MONGA NTCHITO ZONSE ZOPHUNZITSA, NGATI MAVAVU AWIRI KAPENA AMBIRI AMALUMIKIZANA bwino.
4. Yapakatikati yokhala ndi tinthu tating'onoting'ono
Pamene sing'anga ndi inaimitsidwa particles, ** oyenera ntchito kutseka mbali pamodzi kusindikiza pamwamba valavu kutsetsereka ndi kupukuta kanthu.
Ngati KUSIMIDWA KULI WOYIRIRA KUMUSYO NDI KUPITA KWA MPANDO, ZINTHU ZINTHU ZITHA KUKOLEDWA, CHOTI VALVU IYI NDI YOBWERA KWA MEDIA ZOYENEKEDWA KOPANDA CHIZINDIKIRO CHODINDIKIRA CHOLOLERA KUTI TITHU ZIZIGWIRITSA NTCHITO. Mavavu a mpira ndi mavavu a pulagi amapukuta kusindikiza pamwamba pakutsegula ndi kutseka, kotero ndi oyenera kugwiritsidwa ntchito pazofalitsa ndi particles zoimitsidwa. 3 mavuto kukhazikitsa mavavu chitoliro
I. Fufuzani musanayike
1. Yang'anani mosamala ngati chitsanzo cha valve ndi ndondomeko ikukwaniritsa zofunikira za kujambula.
2. Yang'anani ngati tsinde ndi chimbale zimatseguka bwino ndipo sizikumamatira kapena kupotozedwa.
3. Yang'anani ngati valavu yawonongeka, komanso ngati ulusi wa valavu yowongoka ndi yowongoka komanso yosasunthika.
4. Onetsetsani ngati kuphatikiza kwa mpando ndi thupi la valve kuli kolimba, diski ya valve ndi mpando wa valve, chivundikiro cha valve ndi thupi la valve, kugwirizana pakati pa tsinde la valve ndi disc valve.
5. Yang'anani ngati ma valve padding, kulongedza ndi zomangira (maboliti) ali oyenerera zofunikira za chikhalidwe cha sing'anga yogwirira ntchito.
6. Zakale kapena zogwiritsidwa ntchito kwa nthawi yaitali zochepetsera mphamvu ziyenera kupasuka, fumbi, mchenga ndi zinyalala zina ziyenera kutsukidwa ndi madzi.
7.*** kutsegula chisindikizo, yang'anani digirii yosindikiza, disk ya valve iyenera kutsekedwa mwamphamvu.
2. General makonzedwe unsembe
1. Kuyika kwa valve sikuyenera kusokoneza ntchito, kusokoneza ndi kukonza zida, payipi ndi thupi la valve palokha, poganizira maonekedwe a msonkhano.
2. Pa mavavu a mapaipi opingasa, ikani tsinde la valavu mmwamba kapena pa ngodya inayake, osayika gudumu lamanja pansi. Valavu, tsinde ndi handwheel pa chitoliro chapamwamba chapamwamba chikhoza kuikidwa molunjika, ndipo kutsegula ndi kutseka kwa valve kungathe kuyendetsedwa patali ndi unyolo pamalo otsika otsika.
3. Dongosolo lofanana, lowoneka bwino komanso lokongola; Valavu yomwe ili pamtunda, pansi pa malo olola kuti ndondomekoyi, valavu ya valve ifike pachifuwa kutalika ** ntchito yoyenera, nthawi zambiri 1.0-1.2m kuchokera pansi ndiyoyenera, ndipo tsinde la valve liyenera kuikidwa pambali pa woyendetsa.
4. Kukwera kwa mzere wapakati wa ma valve okwera mbali ndi mbali kumakhala kofanana, ndipo mtunda wa ukonde pakati pa magudumu a m'manja si osachepera 100mm; Mavavu a mizere yopingasa mbali ndi mbali ayenera kugwedezeka kuti achepetse kusiyana kwa mapaipi.
5. Mukayika ma valve olemera pa mapampu a madzi, osinthanitsa kutentha ndi zipangizo zina, zothandizira ma valve ziyenera kukhazikitsidwa; Pamene valavu ikugwiritsidwa ntchito kawirikawiri ndikuyika pamwamba pa 1.8m kuchokera kumalo ogwiritsira ntchito, malo ogwiritsira ntchito okhazikika ayenera kuperekedwa.
6. Ngati pali muvi pa thupi la valavu, nsonga ya muvi ndi njira yopita kwa sing'anga. Mukayika valavu, samalani kuti muviwo uloze mbali imodzi ndi sing'anga yomwe ili mupaipi.
7. Mukayika ma valve a flange, onetsetsani kuti nkhope ziwiri za flange ndizofanana komanso zokhazikika, ndipo musagwiritse ntchito ma gaskets awiri.
8. Mukayika ma valve opangidwa ndi ulusi, valavu yokhala ndi ulusi iyenera kukhala ndi kugwirizana kwamoyo kuti iwonongeke mosavuta. Kukhazikitsa kwa kugwirizana kwamoyo kuyenera kuganizira za kuwongolera, nthawi zambiri madzi amayenda kudzera mu valve ndiyeno kudzera pa kugwirizana kwamoyo.
Katatu, kusamala unsembe
1. Thupi la valavu nthawi zambiri limapangidwa ndi chitsulo chosungunula, chophwanyika, kotero sichingakhudzidwe ndi zinthu zolemera.
2. Pogwira valavu, musalole kuponya; Mukakweza ndi kukweza valve, chingwe chiyenera kumangirizidwa ku thupi la valve, ndipo ndizoletsedwa kumangirira pamanja, tsinde la valve ndi dzenje la flange.
3. Valavu iyenera kuikidwa pamalo abwino kwambiri kuti agwire ntchito, kukonza ndi kukonzanso. Ndikoletsedwa kuikwirira mobisa. Vavu pa chitoliro mwachindunji m'manda ndi ngalande ayenera okonzeka ndi kuyendera bwino chipinda, kuti atsogolere kutsegula, kutseka ndi kusintha valavu.
4. Onetsetsani kuti ulusiwo ndi wokhazikika komanso wosawonongeka, ndikukulunga ulusiwo ndi hemp, mafuta otsogolera kapena lamba wa PTFE. Mukatembenuza chingwecho, m'pofunika kugwiritsa ntchito wrench kupanikizana ndikupukuta thupi la hexagonal valve kumapeto kwa chitoliro.
5. Mukayika valavu ya flanged, tcherani khutu kulimbitsa bolt yolumikizira motsatira njira ya diagonal, ndipo yesetsani ngakhale mphamvu pamene mukupotoza kuti gasket isathamangire kapena kuyambitsa kuwonongeka ndi kuwonongeka kwa thupi la valve.
6. Vavu iyenera kutsekedwa panthawi yoika. Kwa ma valve THREADED pafupi ndi khoma, nthawi zambiri ndikofunikira kuchotsa tsinde, disc ndi handwheel kuti mutembenuke. Pa disassembly, valavu iyenera kuchotsedwa pambuyo popotoza gudumu lamanja kuti valavu ikhale yotseguka. 6 wamba unsembe njira mavavu chitoliro
A, valavu pachipata,
Zomwe zimadziwikanso kuti valavu yachipata, ndikugwiritsa ntchito chipata kuti chiwongolere kutsegula ndi kutseka kwa valve, posintha gawo la mtanda kuti lisinthe kayendedwe ka payipi ndi kutsegula ndi kutseka kwa payipi. Valve ya pachipata imagwiritsidwa ntchito ngati sing'anga yamadzimadzi kuti itsegule kapena kutseka kwathunthu mapaipi.
Kuyika ma valve pachipata nthawi zambiri popanda zofunikira, koma sikungatembenuzidwe.
Awiri. Vavu yoyimitsa
Valavu yomwe imagwiritsa ntchito diski kuwongolera kutsegula ndi kutseka. Mwa kusintha chilolezo pakati pa diski ndi mpando, ndiko kuti, kusintha kukula kwa gawo la njira kuti musinthe kayendedwe kapakati kapena kudula njira yapakatikati. Samalani kumayendedwe amadzimadzi mukayika valavu yapadziko lonse lapansi.
Kuyika valavu yapadziko lonse lapansi kuyenera kutsatira mfundo yakuti, madzimadzi mu payipi kuchokera pansi kudzera mu dzenje la valavu, omwe amadziwika kuti "otsika mpaka m'mwamba", osayika mobwerera.
Chachitatu, valavu
Valve yowunikira, yomwe imadziwikanso kuti check valve, valve valve, ndi valve mu valve isanayambe komanso itatha kusiyana kwapanikidwe pansi pa kutseguka ndi kutseka basi, ntchito yake ndi kupanga sing'anga kuti imangoyenda njira imodzi, ndikuletsa kutuluka kwa mpweya. medium reverse flow back.
Chongani valavu molingana ndi kapangidwe kake kosiyana, pali mtundu wokweza, mtundu wa swing ndi mtundu wagulugufe. Nyamulani valavu yowunikira ndi yopingasa komanso yoyima.
Mukayika valavu yowunikira, chidwi chiyenera kuperekedwanso kumayendedwe oyenda apakati.
Chachinayi, valavu yochepetsera kuthamanga
1. Gulu la valavu yochepetsetsa yoyikika moyima limayikidwa pakhoma patali yoyenera kuchokera pansi; Valavu yochepetsera kuthamanga imayikidwa mozungulira nthawi zambiri imayikidwa papulatifomu yokhazikika.
2. Kugwiritsa ntchito chitsulo muzitsulo ziwiri zowongolera (zomwe nthawi zambiri zimagwiritsidwa ntchito mu valavu ya globe) kunja kwa khoma, zimapanga bulaketi, chitoliro chodutsa chimayikidwanso mu bulaketi, kusanja ndi kuyanjanitsa.
3. Valavu yochepetsera kuthamanga iyenera kuikidwa molunjika paipi yopingasa, osati yokhotakhota, muvi womwe uli pa thupi la valve uyenera kuloza komwe kumachokera pakati, osati kubwerera.
4. Ma valve oyimitsa ndi magetsi othamanga kwambiri ndi otsika ayenera kuikidwa kumbali zonse ziwiri kuti ayang'ane kusintha kwa mphamvu isanayambe komanso itatha. The awiri a chitoliro pambuyo valavu kuchepetsa kuthamanga ayenera kukhala 2 # - 3 # lalikulu kuposa awiri a chitoliro cholowera chitoliro pamaso valavu, ndipo anaika ndi kulambalala chitoliro kukonza.
5. Chitoliro chofananira cha valavu yochepetsera filimu chiyenera kulumikizidwa ndi chitoliro chochepa. Valve yachitetezo iyenera kukhazikitsidwa paipi yapaipi yotsika kuti iwonetsetse kuti dongosololi likuyenda bwino.
6. Mukagwiritsidwa ntchito pochotsa nthunzi, chitoliro chokhetsa chiyenera kukhazikitsidwa. Kwa machitidwe a mapaipi omwe ali ndi zofunikira zoyeretsa kwambiri, zosefera ziyenera kukhazikitsidwa pamaso pa valve yochepetsera kuthamanga.
7. Pambuyo pa kukhazikitsa gulu la valve kuchepetsa kuthamanga, valve yochepetsera mphamvu ndi valve yotetezera iyenera kuyesedwa, kutsukidwa ndi kusinthidwa malinga ndi zofunikira za mapangidwe, ndipo chizindikiro chosinthidwa chiyenera kupangidwa.
8. Mukatsuka valavu yochepetsera kuthamanga, tsekani valavu yolowera ya decompressor ndikutsegula valavu yothamangitsira kuti muthamangitse.
Chachisanu, msampha
1. Valavu yodulidwa (globe valve) iyenera kukhazikitsidwa kale ndi pambuyo pake, ndipo fyuluta iyenera kukhazikitsidwa pakati pa msampha ndi valavu yodulidwa kutsogolo kuti chidetse cha condensate chisatseke msampha.
2. Chitoliro choyang'ana chiyenera kukhazikitsidwa pakati pa msampha ndi valavu yodula kumbuyo kuti muwone ngati msampha umagwira ntchito bwino. Ngati chitoliro choyang'ana chikutsegulidwa ndipo nthunzi yambiri imapangidwa, zimasonyeza kuti msampha wathyoka ndipo umafunika kukonzedwa.
3. Chitoliro chodutsa chimayikidwa kuti chitulutse madzi ambiri osungunuka panthawi yoyambira kuti achepetse kutaya kwa msampha.
4. Pamene msampha umagwiritsidwa ntchito kuchotsa madzi a condensate ku zipangizo zotentha, ziyenera kuikidwa pansi pa zipangizo zotentha kuti chitoliro cha condensate chigwirizane ndi msampha molunjika kuti chiteteze kusungirako madzi ndi zipangizo zotentha.
5. Malo oyikapo ayenera kukhala pafupi kwambiri ndi ngalande. Ngati mtunda uli kutali kwambiri, mpweya kapena nthunzi zimawunjikana mu chitoliro chowonda kutsogolo kwa msampha.
6. Pamene payipi yopingasa ya chitoliro cha nthunzi youma ndi yaitali kwambiri, vuto la hydrophobic liyenera kuganiziridwa.
Chachisanu ndi chimodzi, valavu yotetezera
1. Musanakhazikitse, mankhwalawa ayenera kufufuzidwa mosamala kuti awone ngati pali chiphaso cha khalidwe ndi malangizo a mankhwala, kuti amveke bwino nthawi zonse kupanikizika pamene akuchoka ku fakitale.
2. Valavu yotetezera iyenera kuikidwa pafupi ndi nsanja momwe zingathere kuti iwonetsedwe ndi kukonza.
3. Valavu yachitetezo iyenera kuyikidwa molunjika, sing'angayo iyenera kuyenda kuchokera pansi mpaka pamwamba, ndikuyang'ana kutsika kwa tsinde la valve.
4. Kawirikawiri, valavu yachitetezo sichikhoza kukhazikitsidwa isanayambe komanso itatha valavu yodulidwa kuti zitsimikizire chitetezo ndi kudalirika.
5 chitetezo champhamvu cha valve: pamene sing'angayo ndi yamadzimadzi, nthawi zambiri imatulutsidwa mu payipi kapena dongosolo lotsekedwa; Sing'angayo ikakhala gasi, nthawi zambiri imatulutsidwa kumlengalenga.
6. Sing'anga yamafuta ndi gasi imatha kutulutsidwa mumlengalenga. Kutuluka kwa chitoliro chopanda kanthu cha valve chothandizira kuyenera kukhala 3m pamwamba kuposa mawonekedwe amtali ozungulira, koma milandu yotsatirayi iyenera kutulutsidwa munjira yotsekedwa kuti zitsimikizire chitetezo.
7. Chitoliro cha chitoliro cha anthu, ** chiyenera kukhala chofanana ndi chitoliro cholowera cha valve; DIAMETER YA PIPI YOTHENGA SIIDZAKHALA YOCHEDWA NDI DIAMETER YOPHUNZITSIRA YA VALVU, NDIPO CHIPAMBO CHOKHALA CHIDZAKHALA KUNJA NDI KUKHALA NDI BENDI KUTI KUTULUKA KWA PIPI KUKHALA KU Malo Otetezeka.
8. Pamene valavu yotetezera imayikidwa, pamene kugwirizana pakati pa valavu yotetezera ndi zipangizo ndi payipi ndikuwotchera dzenje lotseguka, kutsegula kwake kuyenera kukhala kofanana ndi m'mimba mwake mwadzina la valve yotetezera.
Kodi tiyenera kulabadira chiyani poika mavavu a mapaipi?
M'mapaipi amadzimadzi, valavu ndiye chinthu chowongolera, ntchito yake yayikulu ndikulekanitsa zida ndi mapaipi, kuwongolera kutuluka, kupewa kubwereranso, kuwongolera ndi kutulutsa kuthamanga. Angagwiritsidwe ntchito kulamulira otaya mpweya, madzi, nthunzi, mitundu yonse ya zowononga TV, matope, mafuta, madzi zitsulo ndi wailesi radioactive. Chifukwa dongosolo la mapaipi kusankha valavu yoyenera n'kofunika kwambiri, pomanga, khalidwe la unsembe valavu payipi, zimakhudza mwachindunji tsogolo ntchito yachibadwa, choncho ayenera kulabadira.
Yang'anani zinthu musanayike
1. Yang'anani mosamala ngati chitsanzo cha valve ndi ndondomeko ikukwaniritsa zofunikira za kujambula.
2, yang'anani ngati tsinde ndi chimbale zimatseguka mosinthasintha, ngati pali chokhazikika komanso chopindika.
3. Onani ngati valavu yawonongeka, komanso ngati ulusi wa valve ndi wowongoka komanso wosasunthika.
4, fufuzani ngati kuphatikiza kwa mpando wa valve ndi thupi la valve kuli kolimba, diski ya valve ndi mpando wa valve, chivundikiro cha valve ndi thupi la valve, tsinde la valve ndi disc valve.
5. Yang'anani ngati ma valve padding, kulongedza ndi zomangira (maboliti) ali oyenerera zofunikira za chikhalidwe cha sing'anga yogwirira ntchito.
6, zakale kapena zogwiritsidwa ntchito kwa nthawi yayitali ziyenera kuchotsedwa, fumbi, mchenga ndi zinyalala zina ziyenera kutsukidwa ndi madzi.
7, chisindikizo chotsegulira, yang'anani digirii yosindikiza, chimbale cha valve chiyenera kutsekedwa mwamphamvu.
Nthawi yotumiza: Oct-25-2022
