Kukhazikitsa ma valve oyambira kumabwera mwachangu ndi logo ya otolera ndi utoto wozindikiritsa

Kukhazikitsa valavu yoyambira kumabwera mwachangu ndi logo ya otolera ndi utoto wozindikiritsa Kukhazikitsa mavavu ndi kusankha mtundu woyenera (osati chitsanzo). Mavavu ndi gawo lofunikira la ntchito ya akatswiri a process system pokonzekera zojambula za PI. Zomwe zafotokozedwa m'malamulowa zimaganizira zofunikira pakupanga ndi chitetezo. Popanga kapangidwe ka uinjiniya potengera malamulowa, katswiri wamakina amasankha kutengera momwe polojekitiyi ikuchitikira, momwe zinthu ziliri m'derali, momwe zinthu ziliri pazanyengo, mgwirizano wamafakitale, zofunikira pakugwiritsa ntchito zida, mawonekedwe amadzimadzi, zofunikira zapadera za ogwiritsa ntchito ndi chuma, ndi zina zambiri . Lamuloli limayambitsanso makhalidwe a ma valve ambiri a mafakitale ndi zinthu zomwe ziyenera kuganiziridwa pakusankhidwa kwa ma valve mu mapangidwe a uinjiniya 1. Zomwe zimagwiritsidwa ntchito zikugwiritsidwa ntchito kuzinthu zazikulu za ndondomeko ya mankhwala. Vavu yomwe yatchulidwayi siyimaphatikizira valavu yachitetezo, valavu ya nthunzi, valavu yotsatsira sampuli ndi valavu yochepetsera kuthamanga, koma imaphatikizanso mbale yopumira ya orifite, mbale yakhungu ndi zida zina zamapaipi zomwe zimakhala ndi ntchito zofananira ndi valavu, ndi valavu yodulira ngati general dzina la zigawo za valve izi. Ntchito ya valavu yodulidwa imagwiritsidwa ntchito podula madzimadzi kapena kupanga madziwo kusintha kayendedwe ka kayendedwe kake, malinga ndi kupanga (kuphatikizapo kupanga mwachizolowezi, kutseguka ndi kutsekedwa ndi zochitika zapadera zogwirira ntchito), zofunikira zosamalira ndi chitetezo ndi Zokonda, komanso kuganizira zanzeru za chuma. Kukhazikitsa mavavu ndi kusankha mtundu woyenera (osati chitsanzo). Mavavu ndi gawo lofunikira la ntchito ya akatswiri a process system pokonzekera zojambula za PI. Zomwe zafotokozedwa m'malamulowa zimaganizira zofunikira pakupanga ndi chitetezo. Popanga kapangidwe ka uinjiniya potengera malamulowa, katswiri wamakina amasankha kutengera momwe polojekitiyi ikuchitikira, momwe zinthu ziliri m'derali, momwe zinthu ziliri pazanyengo, mgwirizano wamafakitale, zofunikira pakugwiritsa ntchito zida, mawonekedwe amadzimadzi, zofunikira zapadera za ogwiritsa ntchito ndi chuma, ndi zina zambiri . Lamuloli momveka bwino komanso mwachibadwa limayambitsa ndondomeko ya valve muzochitika zomwe zalembedwa komanso zofunikira zamagulu osiyanasiyana a mankhwala. Onani mawonekedwe oyambira amtundu wa PI wagawo lofananira. Lamuloli limayambitsanso mawonekedwe a ma valve a mafakitale ambiri ndi zinthu zomwe ziyenera kuganiziridwa posankha ma valve mu kapangidwe ka engineering. 2. Kuyika ma valve Vavu imayikidwa pamalire Zomwe zimagwiritsidwa ntchito ndi mapaipi amtundu wamba ziyenera kudulidwa pamalire a zomera (nthawi zambiri mkati mwa malo amalire a zomera) Kuphulika kwa valve, kupatula muzochitika zotsatirazi: (1) Dongosolo la mpweya. (2) chitoliro chotulutsa pamene chute yotulutsa mwadzidzidzi ili kunja kwa malire; Ngati ma valve ayenera kukhazikitsidwa muzochitika ziwirizi, kusindikiza kutsogolo kumafunikanso kutsegula (CSO) (3) chitoliro chomwe sichidzayambitsa zingwe ndi ngozi. (4) Chubu chakuthupi popanda kuyeza. CHITH. Kukonzekera kwa valve 2.0.1 pamalire Mavavu pamalire amaikidwa m'njira zingapo monga momwe tawonetsera pa Chithunzi 2.0.1. Kumene (1) ikugwiritsidwa ntchito ku zipangizo zonse Zodulidwa; Pakachitika ngozi zachitetezo monga moto kapena ngozi zamtengo wapatali zomwe zimayambitsidwa ndi zingwe zakuthupi, mbale zakhungu ziyenera kuwonjezeredwa mu FIG. 2.0.1 kuteteza kutuluka kwamkati kwa valve. (3) ndi (5) mu FIG. 2.0.1 ndi oyenera kusesa kumtunda kapena kumunsi kwa mtsinje mutatha kudyetsa. Vavu A itha kugwiritsidwanso ntchito kutsuka, kuyeretsa, kuzindikira kutayikira, kapena mita yoyesera ikhoza kuyikidwa pakati pa ma valve awiriwa. (5) mu Chithunzi 2.0.1 ikugwiritsidwa ntchito pamene kusintha kwa mphamvu kumakhala kwakukulu ndipo valavu yoyang'ana imakhala ngati kudula mwamsanga. Kukhazikitsa valavu ya mizu Pamene sing'anga ikufunika kutumizidwa kwa ogwiritsa ntchito ambiri, kuti athandizire kukonza kapena kupulumutsa mphamvu, anti-kuzizira, kuwonjezera pa zida zomwe zaphatikizidwa Kuphatikiza pa valavu yodula, valavu yodula. yotchedwa valavu ya mizu imayikidwa pa chitoliro cha nthambi pafupi ndi chitoliro chachikulu. Ambiri ntchito wamba zinthu kachitidwe (monga nthunzi, wothinikizidwa mpweya, asafe, etc.). Kukhazikitsa komweku kumafunikanso ngati chinthu chogwiritsidwa ntchito chikugwiritsidwa ntchito kwa ogwiritsa ntchito angapo (monga zosungunulira). Vavu yomwe ikuwonetsedwa mu Chithunzi 2.0.2 ndi valavu ya mizu. Pazofunikira zopulumutsa mphamvu za antifreeze, mtunda pakati pa valavu ya mizu ndi woyang'anira uyenera kukhala wocheperako momwe ungathere. Chithunzi 2.0.2 Chithunzi chokonzera valavu yamizu Mavavu amizu akhazikike pamapaipi onse anthambi a mapaipi azinthu zodziwika bwino m'mafakitale kuti apewe kuwonongeka kwa mavavu komwe kumayambitsa kuzimitsa kwa mbewu kapena mbewu. Nthunzi ndi pamwamba madzi mapaipi, ngakhale chomera chimodzi kapena zipangizo, pamene nthambi chitoliro kuposa utali wina, komanso ayenera kuwonjezera muzu valavu kuchepetsa kufa zone, kuchepetsa mowa mphamvu, kupewa kuzizira. Zida ziwiri kapena zingapo zothandizira nthunzi ziyenera kutsimikiziridwa malinga ndi kufunikira kwa kupanga valavu ya mizu ya nthambi. Valavu ya mizu ya chitoliro chanthambi yazinthu wamba imayikidwa ndi katswiri wamapaipi popanga masanjidwe a mapaipi, ndipo akatswiri amachitidwe amayenera kuyang'ana ngati nthambiyo ili yoyenera. Ndipo valavu ya mizu imayimiridwa pazithunzi za PI zapagulu (chithunzi chogawa). valavu iwiri Liquefied petroleum gasi, kuyaka, poizoni ndi zamadzimadzi zamtengo wapatali ndi zina zowononga kwambiri, monga asidi amphamvu, caustic soda ndi zofunika zapadera (monga sing'anga kununkha kumayambitsa kuipitsidwa kwambiri kwa chilengedwe) sing'anga thanki, ndi mzere pansi. ku zipangizo zina, ziribe kanthu pafupi ndi zipangizo zina za valve ndi valavu ziwiri ziyenera kuikidwa mndandanda (ma valve awiri), Mmodzi wa iwo ayenera kukhala wotsutsana ndi mphuno za thanki. Pamene mphamvu ya tanki yosungiramo ndi yaikulu kapena kutali, valavu imakhala yabwino kwambiri yolamulira kutali. Kuti muchepetse kuchuluka kwa mavavu, phatikizani mapaipi angapo pakhomo limodzi monga momwe FIG ikuwonetsera. 2.0.3--1 ngati ntchito ikuloleza. Valve yotulutsa chidebe chomwe chili ndi media yomwe tatchulayi idzakhalanso valavu iwiri, monga momwe tawonetsera pa Chithunzi 2.0.3-1. JB/T 106-2004: kukula kwadzina (DN), code code kapena code pressure, mtundu wa zinthu kapena code, dzina la wopanga kapena chizindikiro, nambala ya ng'anjo (valavu yoponyera) idzakhala yodziwika kwa nthawi yayitali pamwamba pa valavu yamagetsi. mpaka GB/T 12220-1989. Mavavu okhala ndi mayendedwe oyenda ayenera kulembedwa ndi mivi yapakati. Chimodzi, pulojekiti ya logo ya valavu Malinga ndi GB/T 12220 "General Valve Mark", vavu wamba ayenera kugwiritsidwa ntchito ndipo mwasankha kugwiritsa ntchito chizindikirocho ndi motere: chizindikiro cha polojekiti 1 Kukula mwadzina (DN) 11 No. 2 Kuthamanga mwadzina (PN) 12 Kutentha nambala 3 Zida zopangira zida zopanikizidwa 13 Khodi yakuthupi yamkati 4 Dzina kapena chizindikiro cha wopanga 14 Malo, 5 Muvi wothamanga wapakatikati 15 Khodi yazinthu zopangira 6 Chisindikizo cha mphete (gasket) code 16 Ubwino ndi mayeso 7 Kutentha kwa malire 17 Chizindikiro cha Inspector 8 Khodi ya ulusi 18 Chaka chopanga, mwezi 9 Kupanikizika kwambiri 19 Makhalidwe oyenda 10 Factory No. code, mtundu wa zinthu kapena code, dzina la wopanga kapena chizindikiro, nambala ya ng'anjo (valavu yoponyedwa) idzalembedwa pamwamba pa thupi la valve yopanikizika malinga ndi GB/T 12220-1989. Mavavu okhala ndi mayendedwe oyenda ayenera kulembedwa ndi mivi yapakati. 2. Njira zolembera GB/T 12220-1989: mavavu okhala ndi kukula mwadzina kuposa kapena ofanana ndi DN50 ayenera kulembedwa ndi kukula mwadzina (DN), kuthamanga mwadzina (PN), mzere wazinthu kapena nambala ya code ya magawo opanikizika, dzina la wopanga kapena chizindikiro , Nambala ya ng'anjo yosungunuka (kuponya) idzalembedwa pa thupi la valve. Kwa mavavu okhala ndi saizi yocheperako kuposa DN50, zilembo zinayi pamwambapa zizilembedwa pagulu la valve kapena nameplate monga momwe wopanga adanenera. Pamene kukakamiza mwadzina kwa chizindikiro choponyera cha thupi la valve kumayikidwa pansi pa mtengo wamtengo wapatali, kukakamiza mwadzina sikudzakhala koyambirira ndi code "PN". GB/T 12220-1989 imatchula muvi wapakati, mphete yosindikizira (pad) pokhapokha ikatchulidwa muyeso linalake la valve iyenera kulembedwa pa thupi la valve ndi flange motsatira. Ngati palibe makonzedwe apadera mu GB/T 12220-1989, zinthu 7 -- 19 patebulo pamwambapa ndizizindikiro zomwe mungagwiritse ntchito pofunidwa. Chongani pa thupi la valve kapena nameplate ngati mukufunikira. GB/T 12220-1989 imapereka kuti ngati gudumu lamanja lili lalikulu mokwanira, gudumu la m'manja liyenera kuperekedwa ndi muvi wosonyeza komwe kutsekeka kwa valve kapena mawu owonjezera "ozimitsa". JB / T 106-2004: thupi la valve poponyera kapena kufa, chizindikiro chake chiyenera kuponyedwa kapena kufa pa thupi la valve nthawi yomweyo. Pamene thupi mawonekedwe ndi kufa forging njira, Logo ake kuwonjezera pa thupi nthawi yomweyo kufa forging kapena kufa kuponyera, angathenso chizindikiro pa thupi ndi embossing njira. Pamene mawonekedwe a valavu thupi kukonzedwa ndi forging, zitsulo chitoliro kapena zitsulo mbale kugubuduza kuwotcherera kupanga, chizindikiro chake kuwonjezera pa mapangidwe embossing njira, komanso angagwiritsidwe ntchito m'njira zina zimene sizimakhudza ntchito ya valavu thupi. . Lembani udindo ndi chizindikiro kukula LJB /T 106-2004 lamulo: cholemba okhutira, ayenera chizindikiro pa thupi la zosavuta kuona. Zizindikiro ziyenera kuwonetsedwa momwe zingathere pakatikati pa mzere wapakati wa thupi la perpendicular.