Kukhazikitsa, Kugwiritsa Ntchito ndi Kusamalira Buku-Ma Vesi atatu a Gulugufe

1. Kuchuluka

Mawonekedwewa akuphatikiza Normal Diameter NPS 10 ~ NPS48, Normal Pressure Class (150LB, 300LB) yama flanged patatu eccentric chitsulo chosindikiza gulugufe mavavu.

2. Mafotokozedwe Akatundu

2.1 Zofunikira paukadaulo

2.1.1 Kupanga ndi Kupanga muyezo: API 609

2.1.2 Mapeto omaliza olumikizira: ASME B16.5

2.1.3 Maso ndi nkhope gawo: API609

2.1.4 Mulingo wapa kutentha-kutentha: ASME B16.34

2.1.5 Kuyendera ndi kuyesa (kuphatikiza kuyesa kwama hydraulic): API 598

2.2 Mankhwala General

Ma valve atatu agulugufe okhala ndi zisindikizo ziwiri zachitsulo ndi imodzi mwazinthu zazikulu za BVMC, ndipo amagwiritsidwa ntchito kwambiri pazitsulo, mafakitale opepuka, magetsi, petrochemical, gasi njira zina.

3. Makhalidwe ndi Ntchito

Kapangidwe kameneka ndi katsekemera katatu komanso chitsulo. Ili ndi magwiridwe antchito osindikiza kutentha kwa firiji ndi / kapena kutentha kwambiri. Vuto laling'ono, kulemera kopepuka, kutsegula ndi kutseka mosinthasintha komanso kukhala ndi moyo wautali ndizabwino zake poyerekeza ndi mavavu apazipata kapena ma valve apadziko lonse. Amagwiritsidwa ntchito kwambiri pazitsulo, mafakitale opepuka, magetsi, petrochemical, njira yamafuta amakala ndi zina, kugwiritsa ntchito chitetezo chodalirika, valavu ndiye kusankha kwabwino kwamabizinesi amakono.

4．Kapangidwe

4.1 Katemera wosindikizira wazitsulo wazitsulo katatu monga akuwonetsera mu Sketch 1

Chithunzi 1 Valavu yazitsulo yosindikiza katatu

5. Mfundo yosindikiza:

Chithunzi 2 Valavu yamagulugufe yosanjikiza yazitsulo ndizomwe zimapangidwa ndi BVMC, monga zikuwonetsedwa pachithunzi chachiwiri.

(a) Makhalidwe: Malo ozungulira a mbale ya gulugufe (kutanthauza malo opangira mavavu) ndiyoti apange tsankho A lokhalanso losindikiza mbale ya gulugufe, komanso kukondera B ndi mzere wapakati pa thupi la valavu. Ndipo Angle createdbe idapangidwa pakati pa mzere wapakati pa nkhope yosindikizira ndi thupi la mpando (ie, mzere wa axial wa thupi)

(b) Ndi chiyani? Mfundo yosindikiza: Kutengera valavu yamagulugufe iwiri, efa ya gulugufe itatu idapanga Angleβ pakati pa mpando wapakati ndi thupi. Zotsatira zakusankhazi zikuwonetsedwa pagawo lachitatu. Katatu eccentric wosindikiza gulugufe valavu ili pamalo otseguka, mawonekedwe osindikizira agulugufe adzasiyanitsidwa ndi mpando wosindikiza wa valavu. Ndipo padzakhala chilolezo pakati pa mbale ya gulugufe yosindikiza nkhope ndikusindikiza thupi mofanana ndi valavu yamagulugufe iwiri. Monga momwe tawonetsera pa chithunzi 4, chifukwa cha mapangidwe a β angle, ma anglesβ1and β2 azipanga pakati pa mzere wopendekera wazitsulo zosinthira ma disc ndi malo osindikizira mpando wa valavu. Mukatsegula ndi kutseka disc, gulugufe wosindikiza pamwamba pang'onopang'ono amapatukana ndikuthana, kenako ndikuchotseratu kutha kwamakina ndi kumva kuwawa. Mukatsegula valavu, malo osindikizira a disc adzasiyana nthawi yomweyo kuchokera pampando wa valavu. Ndipo kokha pa mphindi chatsekedwa kwathunthu, chimbale adzakhala yaying'ono mpando. Monga tawonetsera pa chithunzi4, chifukwa cha mawonekedwe a of1and β2, pomwe valavu ya gulugufe yatsekedwa, chisindikizo chimapangidwa ndi valavu shaft drive torque m'badwo osasinthasintha mpando wamagulugufe. Sizingathetse kuthekera kochepetsa chisindikizo komanso kulephera komwe kumachitika chifukwa chakukalamba, kutuluka kozizira, zinthu zosakhazikika, ndipo zimatha kusinthidwa momasuka kudzera pagalimoto, kuti magalasi otsekemera atatu agulugufe azisindikiza magwiridwe antchito ndi moyo wogwira ntchito zikhala zabwino kwambiri bwino.

Chithunzi 2 Valavu yokhotakhota yazitsulo yazitsulo zopindika katatu

Chithunzi 3 Chithunzi cha katemera wosindikizira wazitsulo wazitsulo wazitsulo katatu poyera

Chithunzi 4 Chithunzi cha katemera wosindikizira wazitsulo wazitsulo wazitsulo wazitali patatu

6.1 Kuyika

6.1.1 Kuyang'ana mosamala zomwe zili mu dzina la valavu musanayike, onetsetsani kuti mtundu, kukula, zinthu zakutsogolo ndi kutentha kwa valavu zizikhala zogwirizana ndi ntchito ya payipi.

6.1.2 Kuyang'ana makamaka ma bolts onse mumalumikizidwe musanakhazikitsidwe, kuwonetsetsa kuti ikulimbitsa mofanana. Ndipo kuwona ngati kukanikiza ndi kusindikiza kulongedza.

6.1.3 Kuyang'ana valavu yokhala ndi zotuluka, monga kumawonetsera komwe akuyenda,

Ndipo kukhazikitsa valavu kuyenera kutengera zomwe zikuyenda.

6.1.4 Mapaipi amayenera kutsukidwa ndikuchotsa mafuta ake, slag wowotcherera ndi zonyansa zina asanayikidwe.

6.1.5 Valavu imayenera kutulutsidwa modekha, kuletsa kuponyera ndikuponya.

6.1.6 Tiyenera kuchotsa chivundikiro cha fumbi kumapeto kwa valavu tikakhazikitsa valavu.

6.1.7 Mukakhazikitsa valavu, makulidwe a gasket ya flange ndiopitilira 2 mm ndipo kulimba kwa gombe ndikoposa 70 PTFE kapena gasket yokhotakhota, ma waya ophatikizika amayenera kulimba mozungulira.

6.1.8 Kutayirira kwa kulongedza kungayambitsidwe ndikusintha kwa kugwedezeka ndi kutentha kwa mayendedwe, ndikukhwimitsa mtedza wa chikhomo chonyamula ngati pali kutayikira pakusindikiza kwa tsinde mutatha kukhazikitsa.

6.1.9 Asanakhazikitse valavu, malo a pneumatic actuator ayenera kukhazikitsidwa, kuti agwiritse ntchito ndikukonzanso pansi mosayembekezereka. Ndipo woyendetsa amayenera kufufuzidwa ndikuyesedwa asanayambe kupanga.

6.1.10 Kuyendera komwe kukubwera kuyenera kukhala molingana ndi miyezo yoyenera. Ngati njirayi siyolondola kapena yopangidwa ndi anthu, Kampani ya BVMC sikhala ndiudindo uliwonse.

6.2 Yosungirako ndi Mchovala  

6.2.1 malekezero ayenera yokutidwa ndi chivundikiro fumbi mu chipinda youma ndi mpweya wokwanira, kuonetsetsa pureness wa valavu patsekeke.

6.2.2 Valavu yakusungitsa nthawi yayitali ikagwiritsidwanso ntchito, kulongedza kuyenera kufufuzidwa ngati sikulondola ndikudzaza mafuta amafuta m'malo ozungulira.

6.2.3 Ma Valves amayenera kugwiritsidwa ntchito ndikusamalidwa munthawi ya chitsimikizo (malinga ndi mgwirizano), kuphatikiza kubwezeretsa gasket, kulongedza ndi zina zambiri.

6.2.4 Zomwe magwiridwe antchito a valavu amayenera kukhala oyera, chifukwa amatha kupititsa patsogolo ntchito yake.

6.2.5 Ma Valves amafunika kuyendera ndikukonzanso pafupipafupi kuti aziteteza ku kukana kwa dzimbiri ndikuwonetsetsa kuti zida zake zili bwino.

Ngati sing'angayo ndi madzi kapena mafuta, akuti ma valve ayenera kuwunikidwa ndikusamalidwa miyezi itatu iliyonse. Ndipo ngati sing'anga ikuwononga, akuti magetsi onse kapena gawo la ma valve liyenera kufufuzidwa ndikusamalidwa mwezi uliwonse.

6.2.6 Valavu yothanirana ndi mpweya iyenera kukhetsa pafupipafupi, kutulutsa kwa kuipitsa, ndikulowetsani sefa. Kusunga mpweya woyera ndi wouma kuti tipewe kuwonongeka kwa ziphuphu, zomwe zimayambitsa kulephera. (Powona "chowongolera cha pneumaticntchito malangizo")

6.2.7 Cylinder, pneumatic zigawo zikuluzikulu ndi mapaipi ayenera kufufuzidwa mosamala komanso pafupipafupi kuti letsani kutayikira gasi (Powona "chowongolera cha pneumatic ntchito malangizo")

6.2.8 Mukakonza mavavu azimenyetsanso ziwalozo, kuchotsa thupi lachilendo, zipsera ndi dzimbiri. Kuti mutenge ma gaskets owonongeka ndikunyamula, kusindikiza pamwamba kuyenera kukonzedwa. Kuyesa kwa hayidiroliki kuyenera kuchitidwanso mukakonza, oyenerera atha kugwiritsa ntchito.

6.2.9 Ntchito gawo la valavu (monga tsinde ndi chidindo chonyamula) liyenera kukhala loyera ndikupukuta fumbi kuti lizitetezeke kulimbana dzimbiri.

6.2.10 Ngati pali kutayikira pakunyamula ndipo mtedza wakunyamula ukuyenera kumangika mwachindunji kapena kusintha kulongedza malingana ndi momwe zinthu zilili. Koma Sichiloledwa kusintha kulongedza ndi kukakamiza.

6.2.11 Ngati kutayikira kwa valavu sikungathetsedwe pa intaneti kapena pamavuto ena, mukachotsa valavu iyenera kutsatira izi:

1. Samalani pazachitetezo: kuti mutetezeke, kuchotsa valavu kuchokera payipi kaye ayenera kumvetsetsa kuti sing'anga payipi ndi chiyani. Muyenera kuvala zida zantchito kuti muteteze sing'anga mkati mwa kuwonongeka kwa payipi. Nthawi yomweyo kuonetsetsa kuti payipi yaying'ono ikukakamira kale. Valavu iyenera kutsekedwa kwathunthu musanachotse valavu.
2. Kuchotsa chipangizochi (kuphatikiza malaya olumikizirana, Kuwona "chowongolera cha pneumatic ntchito malangizo") Ayenera kukhala osamala kuti azigwira ntchito kuti apewe kuwonongeka kuchokera ku tsinde ndi chida cha pneumatic;
3. Mphete yosindikizira ya disc ndi mpando ziyenera kufufuzidwa ngati zingakande pomwe valavu ya gulugufe itseguka. Ngati pali kachidutswa kakang'ono ka mpando, itha kugwiritsa ntchito nsalu ya emery kapena mafuta posindikiza pamwamba pakusintha. Ngati pakangoyamba kuzama pamapezeka, pali njira zoyenera kukonza, valavu ya gulugufe itha kugwiritsidwa ntchito pambuyo poyesedwa.
4. Ngati tsinde likudontha, ndodo yolongedzayo ikuyenera kuchotsa, ndikuwunika tsinde ndikunyamula pamwamba, ngati tsinde lakhalapo, valavu iyenera kusonkhana ikatha. ngati kulongedza kwawonongeka, kulongedza kuyenera kusinthidwa.
5. Ngati silinda ikukumana ndi mavuto, iyang'anire zida za pneumatic, zitsimikizireni kuti njira yamagesi ikuyenda komanso kuthamanga kwa mpweya, mavavu obwezeretsa pamagetsi ndi achilendo. Kuwona "wothandizira wampweyantchito malangizo")
6. Gasi ikayikidwa muchipangizo cha pneumatic, imawonetsetsa kuti silinda yopanda mkati ndi kunja ilibe kutayikira. Ngati pneumatic chipangizo chisindikizo chawonongeka chikhoza kuyambitsa kuchepa kwa makina opanikizika, kuti asakumane ndi kutseguka ndi kutseka kwa gulugufe, azimvera kuyang'anitsitsa pafupipafupi ndi ziwalo zina.

Pneumatic gulugufe valavu magawo ena samakonza. Ngati kuwonongeka kuli kwakukulu, muyenera kulumikizana ndi fakitaleyo kapena kutumiza kukonzanso fakitale.

6.2.12 Mayeso

Valavu idzakhala yoyeserera pambuyo poti valavu yakonza mayeso molingana ndi miyezo yoyenera.

6.3 Malangizo ogwiritsira ntchito

6.3.1 Pneumatic opareshoni vavu ndi yamphamvu chipangizo dalaivala adzapangidwa chimbale atembenuza 90 ° kutsegula kapena kutseka vavu.

6.3.2 Mayendedwe otseguka a pneumatic actuated butterfly valve adzalembedwa ndi chisonyezo chazomwe zili pneumatic.

6.3.3 valavu Gulugufe wokhala ndi truncation ndikusintha zochita zitha kugwiritsidwa ntchito ngati kusintha kwamadzi ndi kuwongolera kayendedwe. Nthawi zambiri sichimaloledwa kupitirira kukakamizidwa - kutentha kwa malire kapena kupsinjika kwakanthawi kosintha ndi kutentha

6.3.4 Valavu ya gulugufe imatha kulimbana ndi kuthamanga kwakeko, musalole kuti valavu ya gulugufe itsegulidwe ikakhala kuti ndiyopanikizika ngakhale atapanikizika kwambiri. Kupanda kutero kumatha kuwononga, kapena ngozi yayikulu yachitetezo ndi kuwonongeka kwa katundu.

6.3.5 Ma valve a pneumatic amagwiritsa ntchito pafupipafupi, ndipo magwiridwe antchito ndi mawonekedwe a mafuta ayenera kuyang'aniridwa pafupipafupi.

6.3.6 Chipangizo chowuluka mwadzidzidzi kuti valavu ya gulugufe itsekeke, motsutsana ndi wotchinga gulugufe kuti atsegule.

6.3.7 Pogwiritsa ntchito pneumatic gulugufe valavu ayenera kulabadira mpweya ndi woyera, mpweya okwanira kuthamanga ndi 0,4 ~ 0,7 Mpa. Kusunga magawo amlengalenga otseguka, osaloledwa kuletsa kulowa kwa mpweya ndi kuyenda kwa mpweya. Asanagwire ntchito, imayenera kulowa mumlengalenga kuti muwone ngati kayendedwe ka valavu ya gulugufe ndiyabwino. kulabadira pneumatic gulugufe valavu lotseguka kapena chatsekedwa, kaya chimbale ndi mu malo lotseguka kapena chatsekedwa. Kulabadira malo a valavu ndi malo oyikirapo ndizofanana.

6.3.8 Kapangidwe kazipangizo zopangira zida zogwiritsira ntchito pneumatic ndimakona amakona anayi, ogwiritsidwira ntchito popangira zida. Ngoziyo ikachitika, imatha kuchotsa chitoliro cha mpweya mwachindunji ndi wrench kuti ntchitoyi ikwaniritsidwe.

7. Zolakwa, zifukwa ndi yankho (Onani Tab 1)

Tabu 1 Mavuto omwe angakhalepo, zomwe zimayambitsa ndi yankho

Chidziwitso: Ogwira ntchito zosamalira adzakhala ndi chidziwitso komanso luso lofunikira.