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

Kukhazikitsa ma valve oyambira 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 a mafakitale ambiri ndi zinthu zomwe ziyenera kuganiziridwa posankha ma valve mu kapangidwe ka engineering.
1. Zomwe zikugwiritsidwa ntchito zikugwiritsidwa ntchito ku ma chemical process system majors. 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 ma 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 yayikidwa pamalire
Zopangira ndi mapaipi wamba azidulidwa pamalire a mbewu (nthawi zambiri mkati mwa malire a mbewu)
Kuphulika kwa valve, kupatula muzochitika zotsatirazi:
(1) Dongosolo la utsi.
(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 chakuthupi chomwe sichidzayambitsa zingwe ndi ngozi.
(4) Chubu chakuthupi popanda kuyeza.
CHITH. 2.0.1 kuyika ma valve pamalire
Mavavu pamalire amaikidwa m'njira zingapo monga momwe tawonetsera pa Chithunzi 2.0.1. Kumene (1) ikugwiritsidwa ntchito kuzinthu zonse
Dula; 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 valve yowunikira imakhala ngati kudula nthawi yomweyo.
Kupanga mizu valve
Pamene sing'anga ikufunika kutumizidwa kwa ogwiritsa ntchito m'modzi, kuti athandizire kukonza kapena kupulumutsa mphamvu, odana ndi kuzizira, kuwonjezera pa zida zomwe zaphatikizidwa.
Kuphatikiza pa valavu yodulidwa, valavu yodulidwa yotchedwa root valve imayikidwa pa chitoliro cha nthambi pafupi ndi chitoliro chachikulu. Ambiri ntchito wamba zinthu kachitidwe (monga nthunzi, wothinikizidwa mpweya, asafe, etc.). Kukhazikitsa komweku kumafunikanso ngati chinthucho 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 chojambula chokhazikitsa valavu ya mizu
Mavavu a mizu ayenera kuikidwa pamapaipi onse anthambi a mapaipi azinthu wamba muzomera zamankhwala kuti apewe munthu aliyense
Kuwonongeka kwa ma valve kumayambitsa kuzimitsa kwa zomera kapena zomera.
Nthunzi ndi pamwamba madzi mapaipi, ngakhale chomera chimodzi kapena chipangizo chimodzi, pamene nthambi chitoliro kuposa utali wina, 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 aukadaulo amayenera kuyang'ana ngati nthambiyo ili yoyenera. Ndipo valavu ya mizu imayimiridwa pazithunzi za PI zapagulu (chithunzi chogawa).
Valve iwiri
Gasi wamafuta amafuta oyaka, oyaka, poizoni ndi zamadzimadzi zamtengo wapatali ndi zina zowononga kwambiri, monga asidi amphamvu, koloko ndipo zimakhala ndi zofunika zapadera (monga sing'anga yonunkha yomwe idayambitsa kuipitsidwa kwakukulu kwa chilengedwe) thanki yapakatikati, ndi mzere pansi mpaka pansi. 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 tank. Pamene mphamvu ya tanki yosungiramo ndi yaikulu kapena kutali, valavu ndi yabwino yolamulira kutali. Kuti muchepetse kuchuluka kwa mavavu, phatikizani mapaipi angapo pakhomo limodzi monga momwe zasonyezedwera mu FIG. 2.0.3-1 ngati ntchito ilola.
Valavu yokhetsa ya chidebe yomwe ili 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. ku GB/T 12220-1989. Mavavu okhala ndi mayendedwe oyenda ayenera kulembedwa ndi mivi yapakati.
Pulojekiti imodzi, yodziwika bwino ya valavu
Malinga ndi GB/T 12220 "General Valve Mark", vavu wamba ayenera kugwiritsidwa ntchito ndipo mwakufuna kugwiritsa ntchito zinthu zachizindikiro ndi motere:
polojekiti
chizindikiro
polojekiti
chizindikiro
1
Kukula kwadzina (DN)
11
Standard No.
2
Nominal pressure (PN)
12
Kutentha nambala
3
Nambala yazinthu zamagawo opanikizidwa
13
Code zakuthupi zamkati
4
Dzina kapena chizindikiro cha wopanga
14
Malo,
5
Muvi wothamanga wapakati
15
Code for lining material
6
Chisindikizo cha mphete (gasket).
16
Quality ndi mayeso chizindikiro
7
Kutentha kwa malire
17
Chizindikiro cha Inspector
8
Thread kodi
18
Chaka chopanga, mwezi
9
Kupanikizika kwambiri
19
Makhalidwe oyenda
10
Factory No.
2. Njira zolembera
1. Chongani zomwe zili
JB/T 106-2004: kukula kwadzina (DN), code yokakamiza kapena code yokakamiza, mtundu wazinthu kapena code, dzina la wopanga kapena chizindikiro, nambala ya ng'anjo (valavu yoponyera) iyenera kulembedwa pamwamba pa thupi la valve yokakamiza 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 kwadzina kwakukulu kuposa kapena kofanana ndi DN50 ayenera kukhala ndi chizindikiro cha kukula kwadzina (DN), kuthamanga kwadzina (PN), mzere wazinthu kapena nambala ya code ya magawo opanikizika, dzina la wopanga kapena chizindikiro, nambala yang'anjo yosungunuka. (kuponya) kudzakhala chizindikiro 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 zofunikira zapadera mu GB/T 12220-1989, zinthu 7 — 19 patebulo pamwambapa ndizizindikiro zomwe mungagwiritse ntchito pofunidwa. Lembani 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 "otseka".
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. .
Ikani chizindikiro ndikuyika kukula kwake
Lamulo la LJB /T 106-2004: zolembera, ziyenera kulembedwa pathupi la magawo osavuta kuwona. Zizindikiro ziyenera kuwonetsedwa momwe zingathere pakatikati pa mzere wapakati wa thupi la perpendicular.