Chiwongolero chokhazikitsa ma valve ndi njira yolumikizira yothandiza Njira yochizira kutuluka kwakunja kwa mavavu apamagetsi

Chiwongolero choyika ma valve ndi njira yolumikizira yothandiza Njira yochizira kutuluka kwakunja kwa mavavu opangira magetsi Kuwotchera ndi siliva Kuwotcherera ndi siliva Ndikofunikira kukumbukira mavavu omwe akulimbikitsidwa ndikuwunika malo ogwiritsira ntchito kuti mudziwe kuti ndi valavu iti yomwe ili yoyenera kuyika. Musanakhazikitse valavu yolondola, werengani ndondomeko yowonjezera kuti muteteze kuwonongeka kwa valve ndikuonetsetsa kuti valavu ikugwira ntchito. 1. Dulani chitolirocho molunjika, chepetsani ndi kuchotsa ma burrs, ndi kuyeza kukula kwa chitoliro. 2. Tsukani mapaipi ndi kudula mbali ndi gauze kapena waya wachitsulo kuti zitsulo ziwala. Velvet yachitsulo siyikulimbikitsidwa. 3. Ikani flux kunja kwa chitoliro ndi mkati mwa chivundikiro chowotcherera. Flux ayenera kuphimba kwathunthu kuwotcherera pamwamba. Chonde gwiritsani ntchito flux mosamala. 4. Onetsetsani kuti valavu yatsegula. Yatsani chitoliro choyamba. Tumizani kutentha kwakukulu momwe mungathere kuchokera ku chitoliro kupita ku valve. Pewani kutentha kwa nthawi yayitali ya valve yokha. 4 A. Silver brazing njira: Kusonkhana kwa magawo kuti azingiriridwa. Ngati mbali zokutidwa ndi flux zimaloledwa kuyimirira, chinyontho chomwe chimalowa m'madzimo chimasefukira, ndipo kutulutsa kowuma kumang'ambika, ndikusiya zitsulo zowonekera pachiwopsezo cha okosijeni. Pogwirizanitsa, ikani chitoliro mu casing mpaka kukumana ndi chopinga. Msonkhano ndi kuonetsetsa kuti pali chithandizo chokhazikika kuti mukhale ndi malo owongoka panthawi yonse ya ntchito ya brazing. Zindikirani: Kwa ma valve a 1 "kapena kukula kwake kwadzina, n'kovuta kutenthetsa kugwirizana ndi kutentha kofunikira nthawi imodzi. Kuti mukhale ndi kutentha kwabwino pamtunda waukulu, ma welds awiri amafunikira nthawi zambiri. Kutentha koyenera kwa lonse. Malo osungiramo akulimbikitsidwa kutentha kwa acetylene kutenthetsa mbali zolumikizira Kutenthetsa chitoliro kuyambira inchi 1 kuchokera ku valavu, ndiyeno yatsani chitolirocho mmwamba ndi pansi mtunda waufupi kuzungulira chitolirocho, kutembenuza chitoliro pakona yoyenera kuti musawotche. Kupyolera mu chitoliro Lawi lamoto liyenera kusuntha mosalekeza ndipo musalole kuti likhale pamalo amodzi Ophika ndi moto wofanana ndikuwotcha valavu ndi chitoliro mpaka valavu isamvekenso valavu ikakhala yamadzimadzi komanso yowoneka bwino papaipi ndi valavu, yambani kuyatsa moto mmbuyo ndi mtsogolo motsatira olowa kuti mgwirizano ukhale wotentha, makamaka m'munsi mwa manja a valve 5. Gwiritsani ntchito solder yoyenera : Ngati mukugwiritsa ntchito waya wa solder, gwiritsani ntchito 3/4 "solder ya 3/4" ma valve awiri, ndi zina zotero. Solder ndi brazing alloys akupitiriza kuyenda pamene olowa aikidwa 5a. Njira yopangira siliva: Waya wogulitsira kapena ndodo pa soketi ya chitoliro mu valavu. Chotsani lawi lamoto pa ndodo kapena waya pamene likulowa mu mgwirizano. Sunthani lawilo mmbuyo ndi mtsogolo pamene aloyi imalowa mu mgwirizano. Pamene kutentha koyenera kukufika, alloy idzayenda mofulumira komanso mosavuta mu danga pakati pa nyumba ya chitoliro ndi manja a valve. Mgwirizanowo ukadzazidwa, m'mphepete mwa alloy welded amawonekera. 6. Pamene solder ndi yomata, chotsani solder yochulukirapo ndi burashi. Solder ikazizira, ikani kachingwe kumapeto kwa valve. Silver brazing Mphamvu ya mgwirizano wazitsulo sizingakhale zabwino ngati zida zosiyana siyana zimagwiritsidwa ntchito, malingana ndi zachizolowezi, kuyeretsa kwakukulu ndi kukonza pakati pa casing ndi manja a valve. Kulekerera kwamakina ndi kusalala kwamkati kwamkati mwa manja a siliva brazed valve kumafunika kuti zikhale zolondola kwambiri kuti zitsimikizire kumamatira kokwanira. Zindikirani: Zotsalira za malo oyeretsera ziyenera kuyang'aniridwa mosamala panthawi yoyeretsa komanso panthawi yoyeretsa. Kuwotchera pamalo omwe adaipitsidwa kapena kutsukidwa bwino sikokwanira chifukwa ma aloyi opangira siliva samayenderera kapena kumamatira ku okosidi, ndipo malo okhala ndi mafuta ndi malo owonekera amakhala oxidize ndikupangitsa kuti zinyalala ndi zinyalala zikane kutulutsa. Kulumikizana kwa ulusi Kuchuluka kwa slag, dothi, kapena chilichonse chakunja mumzere wa chitoliro kumatha kusokoneza magwiridwe antchito a valavu ndikuwononga kwambiri zigawo zofunikira za valavu. Mkati mwa chitoliro chiyenera kutsukidwa bwino ndi mpweya kapena nthunzi. Mukagogoda chitoliro, yesani kukula kwa ulusi ndi kutalika kuti musadzaze chitoliro ndi mpando ndi disc. Chotsani nsonga za ulusi pazitsulo zilizonse zoopsa kapena zachitsulo. Ngati mukufuna kuwotcherera mwamphamvu, gwiritsani ntchito teflon teflon kapena zomatira chitoliro. Zomatira zitoliro ziyenera kugwiritsidwa ntchito pang'onopang'ono pa ulusi wa chitoliro, koma osati pa ulusi wa valve. Musalole zomatira za chitoliro chilichonse mthupi kuti zisawonongeke pa disc ndi mpando. Musanakhazikitse, dulani valavu kuti mulole valavu kugwira ntchito bwino. Tsekani valavu kwathunthu musanayike. Ikani wrench pamwamba pa mutu wa hex bolt pafupi ndi chitoliro kuti musasokonezeke. Pambuyo pa kukhazikitsa ma valve, chingwe chothandizira: mzere wothamanga ukhoza kusokoneza valve ndikuyambitsa kulephera. Kulumikizana kwa flange Kuti mutsimikizire kulumikiza koyenera kwa chingwe cha valve, tsatirani izi. Choyamba yeretsani olowa mosamala, kenako ikani momasuka mabawuti awiri kapena atatu m'munsi. Kenako, mosamala amaika gasket mu olowa. Maboti akumunsi amathandizira kuyika gasket ndikuyiyika pamalo ake. Ma bawuti oyika amayenera kukhala opindika, osati kuwongoleredwa, kuti athetse kupanikizika kwambiri. Pambuyo pa nthawi yogwiritsira ntchito bwino, yang'anani ndikutsimikizira kuti ma bolts onse amangiriridwa ndikulimbitsanso ngati kuli kofunikira Njira yochizira kutuluka kwa kunja kwa valve yamagetsi yamagetsi 1. Kutaya kwa valve kunyamula tsinde ndi kulongedza zidzasuntha wina ndi mzake ndipo izi zidzawonetsedwa kugwiritsa ntchito valve. Nthawi zambiri valavu imatsegulidwa ndi kutsekedwa, kusuntha kwakukulu kudzakhala. Kuonjezera apo, zotsatira za kutentha, kupanikizika ndi zina zotero zidzawonjezera kwambiri kuthekera kwa kutuluka kwa valavu yonyamula katundu, panthawiyi kupanikizika kwa kunyamula kumachepa pang'onopang'ono, motero kukalamba, kusungunuka sikudzakhalaponso. Ndipo sing'anga yopondereza idzatuluka kuchokera pampata wolumikizana pakati pa kulongedza ndi tsinde la valve. Ngati vutoli silingathetsedwe bwino, pakapita nthawi, condiment idzawombedwa ndipo tsinde la valve lidzasiyanitsidwa ndi poyambira, zomwe zimapangitsa kuti malo otayirawo akhale aakulu komanso aakulu. 2. Kutayikira kwa flange Flange kutayikira nthawi zambiri amayamba chifukwa cha mbali imodzi, monga kusindikiza gasket kuthamanga sikokwanira, roughness wa olowa pamwamba ndi zofunika mtunda wina, gasket deformation, chifukwa mu kusindikiza gasket ndi flange sinafikire kukhudzana kwathunthu ndipo kusiyana, kutayikira kudzachitika. Nthawi yomweyo, kusindikiza kwa flange sikolimba chifukwa cha kupindika kwa bawuti kapena elongation, kukalamba kwa gasket, kuchepa kwamphamvu, kusweka, ndi zina zambiri, zomwe zimatha kutulutsanso kutayikira. Kuphatikiza apo, zinthu zaumunthu ndizonso kutayikira kwa flange kumafunikira chisamaliro chapadera. Kuonjezera apo, thupi la valve likhoza kubweretsanso mavuto othamanga chifukwa cha zovuta za danga, zomwe sizinafotokozedwe apa. 3. Njira zothanirana ndi kutuluka kwakunja kwa ma valve opangira magetsi Kuyika kutayikira kwachipinda ndi chithandizo cholumikizira plugging Pali njira zambiri zothanirana ndi kutuluka kwakunja kwa mavavu amagetsi, komwe chitetezo chamtundu wa jekeseni wokhala ndi ukadaulo wopumira ndi wokwera kwambiri, womwe uli nawo. zakhala ziganizo zambiri. Njirayi imagwiritsa ntchito zida zapadera ndi jekeseni wa hydraulic, sealant imalowetsedwa muzitsulo ndi gawo lotayirira lakunja lomwe limapangidwa ndi chisindikizo chosindikizira, kukonzanso zowonongeka zowonongeka ndi bwino, ndipo nthawi yogwiritsidwa ntchito ndi yochepa. Pamene kuthamanga kwa jekeseni kupitirira kupanikizika kwa sing'anga yotayirira, imayimitsa kwambiri kutayikira, kotero kuti jekeseni kuchokera ku thupi la pulasitiki kupita ku thupi lotanuka, panthawiyi mawonekedwe osindikizira amakhala ndi kusungunuka kwina, ndipo pali kukakamizidwa kwinakwake. cha chisindikizo chogwira ntchito, mapangidwe omaliza a chisindikizo chachiwiri, chomwe mosakayikira chimawonjezera ntchito yabwino yosindikiza. Mitundu iwiri yotsatirayi ya ma jakisoni osindikizira amagwiritsidwa ntchito kwambiri komanso kukwezedwa ku China :(1) jekeseni wosindikiza kutentha kwa kutentha. Kugwiritsiridwa ntchito kwa jekeseniyi kumafunika kukwaniritsa zikhalidwe zina, ndiko kuti, kutentha, kutentha kumafika pamlingo wina wake, wothandizira jekeseni ndi thupi lotanuka, vuto lalikulu ndi lolimba. (2) osatentha kuchiritsa osindikiza jekeseni wothandizira. Kuchuluka kwa ntchito yake ndi yaikulu kwambiri, mitundu yonse ya kutentha ingathe kuyendetsedwa, jekeseni wothamanga kwambiri akhoza kuikidwa, jekeseni ndi kudzaza kuli bwino, ntchito yosinthira valve imatha kusungidwa bwino. Pamene makulidwe a khoma la bokosi lonyamula ma valve ndi oposa 8 mm, kugwiritsa ntchito mphamvu ya jekeseni kuti muthane ndi vuto la kutayikira kungathe kukhazikitsidwa mwachindunji mu bowo la jekeseni wa valve, kusindikiza pabowo ndi bokosi lonyamula valavu lokha, kusindikiza. jakisoni akhoza kugwira ntchito yomweyo ndi kulongedza katundu. Pezani malo oyenera kutsegula dzenje kunja kwa khoma la valavu kulongedza bokosi ndi awiri a 10.5mm kapena 8.7mm. Ndikofunika kutsindika kuti dzenjelo siliyenera kubowoledwa, ndi mtunda wa 1-3 mm. Kokani pang'ono ndikudina ndi M12 kapena MIO tap. Vavu iyenera kukhala pamalo otseguka ndiyeno ndodo yayitali, 3 mm m'mimba mwake, iyenera kusankhidwa kuti ibowole pakhoma lotsalira la vavu ndipo kutayikira kumatulutsidwa komwe kumalowera. Kubowola kudzakhala ndi chiopsezo china, makamaka chifukwa kutentha kapena kupanikizika ndi kwakukulu kwambiri kapena kuli ndi zinthu zoopsa zomwe zimatulutsidwa zidzapatsa ogwira ntchito kuti abweretse vuto linalake, kuvulaza kuwala, kulemera kwakukulu kudzawopsezanso chitetezo cha moyo, kotero izi sizinganyalanyazidwe, zisanachitike. kubowola ndi baffle ndi njira yabwino yowongolera. Flange kutayikira ndi kukanikiza plugging chithandizo mkuwa waya containment njira Njira imeneyi ndi ntchito kwa awiri flange kusiyana ndi laling'ono, kusiyana ndi yunifolomu, kutayikira sing'anga kuthamanga ndi otsika ndi kuthamanga plugging, bawuti jekeseni olowa mthunzi woikidwa pa bawuti kuchotsedwa, awiri ndi otsika, ayenera kukhala oposa awiri. Cholumikizira cholumikizira cholembera sichimayika nati yonse molimba, koma kumasula ndi kuyika pambuyo pa cholumikizira, kenaka mani natiyo nthawi yomweyo, yikani jekeseni wa he joint jekeseni, apa siziyenera kuunitsidwa kuti mtedza wa mgwirizano umasulidwe. nthawi yomweyo, chifukwa cha gasket yosindikiza imatha kuchepetsa kupanikizika, kuchulukirachulukira, milandu yayikulu, zinthu zotayikira zimaphulitsa ma gaskets, Izi zikachitika, zithandizo zimakhala zovuta kubwera ndipo kuwonongeka sikungatheke. Kutayikira kwa mavavu ndi mapulagi a plugging 1. Njira yolumikizirana ngati kupanikizika kwapakati komanso kutayikira kwakung'ono kwa magawo a dzenje la mchenga, mutha kupukuta chitsulo chonyezimira pozungulira potayikira, ndiyeno gwiritsani ntchito pini ya taper mpaka pomwe kutayikira, ndi koyenera. mphamvu yoyendetsa, makamaka pofuna kuchepetsa kutayikira kapena kusanja kwakanthawi. Zomatira zimachiritsa mwachangu ndipo zitha kugwiritsidwa ntchito kuvala piniyo ndi zomatira kuti apange chisindikizo chatsopano cholimba chomwe chingalepheretse kutulutsa pang'ono. Ngati kuthamanga kwapakati, kutayikira kuli kwakukulu, kungathe kusindikiza ntchito, ndi njira yogwiritsira ntchito zida zogwiritsira ntchito padenga, zomwe zimagwira ntchito poyendetsa mbali imodzi ya valavu, kutsekemera kwakukulu, kumapangitsa kuti phokoso lapamwamba la axial liwonongeke. , zozungulira zomangirira, pogwiritsa ntchito jacking screw kumapeto kwa rivet yogwira kukakamiza pakutayikira, ndi njira yabwino yoletsera kutayikira. Ngati pamwamba pa rivet ndi yaying'ono kusiyana ndi malo otsetsereka, chitsulo chofewa chikhoza kuikidwa pansi pa rivet. Kutayikirako kukayima, chitsulo chozungulira potulukapo chiyenera kutsukidwa pakapita nthawi. 2. Njira yowotcherera Ngati thupi likutulutsa mphamvu yapakatikati ndi yotsika, kutayikira pang'ono komanso m'mimba mwake komwe kulipo kuposa kutayikira kuwirikiza kawiri kuposa mtedza, kuti titha kupanga kutayikira kwa media kuthawa nati, kuwotcherera nati pathupi la valve, ndi ma bolts ndi mtedza wofananira, ikani chidutswa cha mphira pansi pa nati kapena mphasa ya asibesitosi, imapanga waya pamwamba pa tepi yopindika mu mtedza, Itha kuchepetsa zomwe zimachitika. wa kutayikira. Ngati valavu yamadzimadzi imatulutsa mpweya wambiri, kutayikirako ndi kwakukulu, ndiye kuti njira yowotcherera madzi ndi njira yabwinoko. Choyamba ndi chidutswa cha chitsulo mbale, kutsegula dzenje kuzungulira pakati, dzenje kuzungulira ndi awiri a kudzipatula valavu kuwotcherera mu dzenje lozungulira la mbale chitsulo, kutsegula valavu kudzipatula, chitsulo mbale pakati dzenje limagwirizana ndi kutayikira. nsonga yoyikidwa mu thupi la vavu, lolani sing'anga yotayikira ituluke mu dzenje lapakati lachitsulo ndi valavu yodzipatula. Pakuti laminating pamwamba si zabwino, angagwiritsidwe ntchito pa laminating pamwamba anaika mphira kapena asibesitosi PAD, ndiyeno mbale chitsulo padziko valavu kuwotcherera thupi, ndiyeno kutseka kudzipatula valavu, kotero kuti kusindikiza tingakwaniritse bwino. .