KUSANKHA NDI KUCHULUKA KWA VAVU YACHITETEZO ya LECCO. Katswiri wa Lecco Valve amayankha momwe angatsimikizire valavu yachitetezo cha woyendetsa molondola komanso mwachangu

KUSANKHA NDI KUCHULUKA KWA VAVU YACHITETEZO ya LECCO. Katswiri wa Lecco Valve amayankha momwe angatsimikizire valavu yachitetezo cha woyendetsa molondola komanso mwachangu

Kuthamanga kowongolera kumatsimikizira kuthamanga kwadzina kwa valavu yotetezera, kutentha kwa ntchito kumatsimikizira kutentha kwa valavu yotetezera, kuwerengera kosalekeza kwa valavu yachitetezo kumatsimikizira kupanikizika kosalekeza kwa kasupe kapena lever, ndiyeno kumasankha zinthuzo. ndi kamangidwe ka valavu chitetezo malinga ndi ntchito sing'anga, ndiyeno kuwerengera m'mimba mwake wa valavu chitetezo malinga ndi kutulutsidwa kwa valavu chitetezo. Zotsatirazi ndi malamulo ambiri osankhidwa a valve otetezeka.
(l) Ma boilers amadzi otentha nthawi zambiri amagwiritsa ntchito valavu yachitetezo chosatsekeka yokhala ndi wrench.
(2) Boiler ya nthunzi kapena mapaipi a nthunzi nthawi zambiri amagwiritsidwa ntchito osatsekedwa ndi valavu yotseguka yotetezedwa.
(3) Madzi ndi zinthu zina zamadzimadzi zosasunthika nthawi zambiri zimakhala ndi valavu yotsekedwa yaying'ono yotseguka, kapena ndi valavu yothandizira chitetezo.
(4) Madzi othamanga kwambiri amagwiritsidwa ntchito valavu yotseka yotseka, monga chotenthetsera chamadzi, chotenthetsera kutentha ndi zina zotero.
(5) Gasi ndi zoulutsira mawu zina nthawi zambiri zimagwiritsa ntchito valavu yotseka yotseka, monga matanki osungira gasi, mapaipi amafuta, ndi zina zambiri.
(6) E class nthunzi boiler zambiri ndi static kulemera chitetezo valavu.
(7) lalikulu m'mimba mwake, kusamutsidwa kwakukulu ndi dongosolo kuthamanga kwambiri ndi valavu wamba chitetezo cha kugunda, monga kuchepetsa kutentha ndi decompression chipangizo, magetsi chowotcha magetsi, etc.
(8) Vavu yotetezedwa yomangidwa nthawi zambiri imagwiritsidwa ntchito kunyamula mpweya wamadzimadzi, monga matanki apamtunda, akasinja amagalimoto ndi matanki osungira.
(9) Pamwamba pa thanki nthawi zambiri amagwiritsidwa ntchito ndi valavu yachitetezo cha hydraulic, yomwe imayenera kugwiritsidwa ntchito ndi valavu yopumira.
(10) Valavu yoyendetsa ndege nthawi zambiri imagwiritsidwa ntchito popanga ngalande zapansi kapena mapaipi a gasi.
(11) Vavu yobwezeretsa chitetezo nthawi zambiri imagwiritsidwa ntchito papaipi yobwerera gawo lamadzimadzi potulutsira pampu ya tanki ya petroleum ya liquefied petroleum.
(12) Kupanikizika koyipa kapena kupanikizika koyipa kumatha kupangidwa pogwira ntchito, dongosololi ndi lofanana ndi vacuum negative pressure security valve.
(13) chidebe kapena payipi yokhala ndi kusinthasintha kwakumbuyo kwakukulu komanso koopsa komanso koyaka ndi chofanana ndi valavu yachitetezo cha ma bellow.
(14) malo otsika kuzizira kwa sing'anga ndi ofanana ndi kusankha wamba wa matenthedwe kutchinjiriza jekete mtundu chitetezo valavu.
Kuwongolera ndi kukonza ma valve otetezeka
Kuti muyese zizindikiro za luso la valavu yachitetezo ziyenera kukhala kuyesa kwathunthu kwa ntchito, kuyesa chofunika kwambiri ndi kukhala ndi dziko lenileni loyendetsa, ngakhale kuposa momwe likuyendetsera. Kuphatikiza pa kutentha kwambiri ndi zombo zoponderezedwa ndi zida zina, chipangizochi choyeserachi chiyeneranso kukhala ndi kutsimikiza kosiyanasiyana kwa magawo, ndikuwonetsetsa kuti kutentha kwakukulu ndi gwero lamphamvu la nthunzi, mtengo wake ndi waukulu.
Kufufuza ndi gawo la kuyesa valavu yachitetezo ndipo ndiye chinthu chachikulu cha mayeso a fakitale. Musanachoke ku fakitale, tebulo loyang'ana ma valve otetezera kutentha kwa firiji nthawi zambiri limagwiritsidwa ntchito potsegula kusintha kwa kuthamanga ndi kuyesa kusindikiza kwa sing'anga ya mpweya. Tebulo loyang'ana kutentha kwa chipinda cha vavu lachitetezo limatha kupanga kusintha kotseguka ndikuyesa kusindikiza.
(1) Kodi valve yotetezera iyenera kuyang'aniridwa bwanji
1) Musanasunge nthawi yayitali kapena * gwiritsani ntchito
2) Kutsimikizira nthawi zonse
3) Mavavu owonongeka kwambiri komanso owonongeka
4) Mavavu okhala ndi ma valve osowa
5) Vavu yokhala ndi chisindikizo chowonongeka
(2) Tanthauzo ndi njira yosinthira kupanikizika kwa mpando
Muyezo wapadziko lonse wa tanthauzo la kupsinjika kwam'mbuyo umatanthawuza kuti valavu yopumira kuti ituluke, kupanikizika kwapakatikati kumatsikira pamtengo wina, diski yolumikizana ndi mpando, mwachitsanzo, kutalika kotseguka ndi zero, kulowera kwa valavu ya static pressure, kupsinjika kwam'mbuyo kulinso. otsika, ochuluka kwambiri ndi oipa, otsika kwambiri amachititsa kutaya kwapakati ndi mphamvu, ndipamwamba kwambiri, kuchepa kwa mpweya, kunachititsa kuti ma valve adumphire pafupipafupi, Mfundo yake ndikusintha kupanikizika kwa mpando wakumbuyo momwe mungathere kuti muchepetse kutaya kwapakati ndi mphamvu pokwaniritsa utsi.
(3) Njira yosinthira
Kupanikizika kwapampando wakumbuyo kumasinthidwa ndikusintha mpheteyo, mfundo yosinthira ndi mfundo yapakati, pang'onopang'ono kusiyana, kukana kwakukulu pamene kutulutsa, mphamvu yaikulu yomwe ikugwira spool pansi, ndizovuta kwambiri kubwerera ku Mpando, m'malo mwake, kusiyana kwakukulu, kumakhala kosavuta kuti spool agwere m'mbuyo, ndikukwera kwampando wakumbuyo.
Kwa valavu yachitetezo yokhala ndi mphete yochepetsera yokha, mphete yowongolera ili m'mwamba, kupanikizika kwa mpando wakumbuyo kumakhala pansi, mphete yowongolera ili pansi, kupanikizika kwa mpando wakumbuyo kumakwera; Kwa valavu yachitetezo yokhala ndi mphete yowongolera mmwamba ndi pansi, mtunda wa mphete yowongolera mmwamba ndi pansi imachepa, kupanikizika kwapampando wakumbuyo kumachepa, mtunda wa mphete yowongolera mmwamba ndi pansi ukuwonjezeka, kupanikizika kwa mpando wakumbuyo kumawonjezeka.
(4) fufuzani njira ndi ubwino wake ndi kuipa
Chitetezo cha valve cheke chili ndi cheke chamunda (cheke pa intaneti) ndikuyang'ana tebulo fufuzani njira ziwiri, mikhalidwe yololeza iyenera kuyesa kuyang'ana m'munda, chifukwa cheke chakumunda ndi choyenera kwambiri pazochitika zenizeni zogwirira ntchito, kotero zitha kukhala zabwinoko.
Ubwino wa cheke chamunda: zosavuta kuyang'ana valavu yotetezera kuwotcherera, imatha kuyeza kupanikizika kumbuyo, kuyeza kolondola.
Choyipa ndichakuti nthawi yoyeserera ndi yayitali, dongosololi liyenera kukulitsidwa mobwerezabwereza, osati zachuma, zowopsa kwambiri, sizingathe kuyesa kusindikiza.
Ubwino ndi kuipa kwa tebulo loyang'ana kutentha kwa chipinda cha valve:
A. Konzani kusintha ndi kutayikira kwa valavu yachitetezo ya sing'anga kutentha kwapakati ndi kutentha kwa ntchito pansi pa 250C.
B. Tsimikizirani zolakwika zazing'ono za kutsegulira kwa valve yotetezera chitetezo, sungani nthawi yosinthika ya valve yotetezedwa kumene, kuchepetsa mphamvu ya ntchito, kuchepetsa mphamvu yogwiritsira ntchito mphamvu ndi kuchepetsa chiopsezo cha ntchito.
C. Pali cholakwika pakati pa kutentha kwa ntchito ndi kutentha kwabwino (kasupe kumakhala kofewa pa kutentha kwakukulu), ndipo kupanikizika kwa mpando wakumbuyo sikungatsimikizidwe.
(5) sing'anga ntchito kutsimikizira yachibadwa kutentha
Mpweya, nayitrogeni ndi madzi nthawi zambiri amagwiritsidwa ntchito potsimikizira kutentha kwabwinobwino (kupanikizika kumapitilira 20Mpa). Oxygen, haidrojeni, mpweya wa acetylene ndi zina zoyaka, zothandizira kuyaka kapena zapoizoni komanso zovulaza sizingagwiritsidwe ntchito ngati chitsimikizo chapakati. Palafini, mafuta, dizilo, etc., sangagwiritsidwe ntchito ngati sing'anga gwero. Ngakhale mpweya woipa wa carbon dioxide ndi wopanda poizoni komanso wosayaka, ndikosavuta kuumitsa ndikutsekereza payipi.
(6) mfundo yoyendetsera ma valve otetezeka
Sing'anga yokhala ndi kupanikizika imadutsa munjira ya valve yotetezedwa. Pamene kupanikizika kwapakati kumakwera kumalo otseguka a valve yotetezera, kupanikizika panthawiyi kumayesedwa, ndipo kuthamanga kwapakati kumayikidwa ndikusinthidwa ku mtengo wotsegulira wotchulidwa kuti mutsirize kutsimikizira kupanikizika kotsegulira. Ndiye pamene kukakamizidwa kutsika pamtengo womwe watchulidwa (90% ya kuthamanga kotsegulira), choyezera chokakamiza kapena njira zina zamalamulo zimagwiritsidwa ntchito poyang'ana kutayikira kwapakatikati, ndiko kuti, kusindikiza cheke.
Momwe mungatsimikizire valavu yoyendetsa ndege molondola komanso mwachangu
Valavu yoyendetsa ndege ndi mtundu wa valve yotetezera yokhala ndi mawonekedwe atsopano. Amagwiritsidwa ntchito makamaka mumafuta amafuta ndi gasi WANATURAL, makampani opanga mankhwala, mphamvu yamagetsi, zitsulo ndi gasi wamzinda ndi zina. Ndi chida chabwino kwambiri chotetezera kupsinjika kwa zida zoponderezedwa, zotengera kapena mapaipi. Ubwino wake waukulu ndikukhala kasupe wakuchitapo kanthu kwa woyendetsa mosadziwika bwino, kumawonjezera chidwi cha zomwe zikuchitika, ndipo mkonowo umagwiritsidwa ntchito mu pisitoni yayikulu ya valve, mawonekedwe osindikizira awiri, kulondola kwambiri, kubwereza bwino, kubwerera kusuntha mwachangu, sikungadutse. , kutenga kutulutsa kwamphamvu yakumbuyo, moyo wautali wogwira ntchito, kugwira ntchito mokhazikika komanso yodalirika, imathanso kuwongolera pa intaneti, ndikudumpha mobwerezabwereza mukatha kutulutsa, imatha kubwereranso, Tsekani mwamphamvu, yosavuta kugwiritsa ntchito ndikusamalira.
Valavu yachitetezo chamtundu woyendetsa
Valavu yotetezera yoyendetsa ndege imakhala pamaziko a valavu wamba yachitetezo cha masika, ndikuwonjezera njira yoyendetsa, kuti valavu yachitetezo ikhale ndi valavu yoyendetsa ndege komanso gawo lachiwiri la valavu yachitetezo wamba. Makhalidwe ake ndi: zochita zolondola komanso zodalirika; Ntchito yosindikiza imasinthidwa bwino; Kutsegula ndi kutseka kupanikizika kusiyana n'kosavuta kukwaniritsa zofunikira; Zochita zokhudzidwa, zotulutsa zazikulu. Ndiye kodi mukudziwa momwe valavu yotetezera woyendetsa iyenera kuyesedwa? Katswiri wathu wa valve ya Leco adzakukonzerani chidziwitso ichi.
Valve yachitetezo chamtundu wa masika
Njira yotsimikizira ma valve oyendetsa ndege:
Choyamba, cheke cha valve yoyendetsa chitetezo nthawi zambiri chimatumizidwa ku cheke cha cheke ndi wogwiritsa ntchito, muzochitika zapadera zingagwiritsidwe ntchito poyang'ana kumunda, wogwiritsa ntchito cheke ayenera kupereka zofunikira kuti afufuze.
Chachiwiri, wogwiritsa ntchito ayenera kupereka chidziwitso cha fakitale yoyendetsa ma valve oyendetsa ndege, kukakamiza kwa mapangidwe ndi kukakamiza kwa payipi ya zida, lipoti lomaliza la ma calibration kapena lingaliro la calibration loperekedwa ndi woyang'anira zida.
Chachitatu, yang'anani zomwe zatumizidwa kuti ziwunikenso, dziwani kukakamizidwa.
4. Yang'anani valavu yotetezedwa yoyendetsa ndege yatsopano ndi deta yonse. Pazochitika zabwino, masiku awiri ogwira ntchito ndi ofunika; Kwa valavu yoyendetsa ndege yoyendetsa ndege yochuluka kapena yofunikira kukonzanso, nthawi yomaliza idzatsimikiziridwa molingana ndi momwe zinthu zilili pokambirana ndi wogwiritsa ntchito.
Zisanu, molingana ndi zomwe zili mu calibration, lembani mbiri ya calibration, perekani lipoti loyendera.
Zisanu ndi chimodzi, pambuyo potsimikizira, woyesa adzadziwitsa wogwiritsa ntchito kuti atenge valve yotetezera yoyendetsa ndege ndi lipoti loyendera.