Mukayika ma valve, kumbukirani mfundo izi mukamagwiritsa ntchito ma valve okhala ndi fluorine

Mukayika ma valve, kumbukirani mfundozi mukamagwiritsa ntchito ma valve opangidwa ndi fluorine Ma valve ambiri ali ndi malangizo, monga globe valve, valve throttle valve, valve reduction valve, valve valve, etc., ngati atayikidwa kumbuyo, zidzakhudza kugwiritsa ntchito ndi moyo (monga throttle valve), kapena osagwira ntchito konse (monga valavu yochepetsera kupanikizika), ndipo ngakhale kuyambitsa ngozi (monga valavu yowunika). Vavu wamba, pali chizindikiro chowongolera pathupi la valve; Ngati sichoncho, chiyenera kudziwika bwino molingana ndi mfundo ya ntchito ya valve. Chipinda cha valve kuzungulira valavu yapadziko lonse lapansi ndi asymmetrical, madzimadzi kuti alole kuchokera pansi mpaka pamwamba kudzera pa doko la valve, kotero kuti kukana kwamadzimadzi kumakhala kochepa (kutsimikiziridwa ndi mawonekedwe), kupulumutsa ntchito yotseguka (chifukwa cha kupanikizika kwapakati) , kutsekedwa pambuyo pa kulongedza kwapakatikati, kosavuta kukonzanso, chifukwa chake valavu ya globe singathe kukhazikitsa chowonadi. Ma valve ena ali ndi makhalidwe awoawo. Valve INSTALLATION POSITION, iyenera kukhala yosavuta kugwiritsa ntchito: NGAKHALE ngati kukhazikitsa kuli kovuta kwakanthawi, komanso kwa wogwiritsa ntchito nthawi yayitali. Mavavu a handwheel ndi mayanidwe a chifuwa (nthawi zambiri mamita 1.2 kuchokera pansi opangira), kotero kuti kutsegula ndi kutseka kwa valve kumakhala kovuta. Wwalo lamanja la valve pansi liyenera kuyang'ana mmwamba osati kupendekeka kuti zisagwire ntchito movutikira. Vavu ya makina apakhoma imadalira zida, ndipo wogwiritsa ntchitoyo ayeneranso kusiyidwa poyimirira. Kupewa ntchito ya thambo, makamaka asidi ndi zamchere, poizoni TV, apo ayi si otetezeka. Chipata sayenera inverted (ndiko, handwheel ndi pansi), apo ayi sing'anga adzakhala anakhalabe mu chivundikiro danga kwa nthawi yaitali, zosavuta dzimbiri tsinde, ndi zina ndondomeko zofunika taboo. Ndizovuta kwambiri kusintha kulongedza nthawi yomweyo. Tsegulani STEM GATE VALVES, OSATIKIKA mobisa, apo ayi chifukwa cha dzimbiri lachinyezi la tsinde lowonekera. Kwezani valavu cheke, unsembe kuonetsetsa kuti valavu chimbale ofukula, kuti Nyamulani kusintha. Swing cheke valavu, pamene anaika kuonetsetsa kuti pini mlingo, kuti kugwedezeka kusinthasintha. Valavu yochepetsera kuthamanga iyenera kuyikidwa molunjika pa chitoliro chopingasa, ndipo sichimapendekera mbali iliyonse. Kuyika ndi kumanga kuyenera kusamala, musamenye valavu yopangidwa ndi zinthu zowonongeka. Asanakhazikitsidwe, VALVE IYENERA KUYENEKEDWA KUTI muwone mafotokozedwe NDI mitundu kuti muwone kuwonongeka kulikonse, makamaka pa tsinde. Komanso tembenuzirani kangapo kuti muwone ngati zakhota, chifukwa poyenda, zimakhala zosavuta kugunda tsinde lopindika. Komanso *** zinyalala mu valavu. POKWULA VALVI, CHINONGA CHISAKWERENGE KUMWANJA KAPENA KUTI MTIMA KUTI PEWE KUZIPWIRITSA NTCHITO ZIMENEZI. Iyenera kumangirizidwa ku flange. Mzere womwe valavu imalumikizidwa iyenera kutsukidwa. Mpweya wothinikizidwa ungagwiritsidwe ntchito kuwomba ma filings a iron oxide, mchenga, kuwotcherera slag ndi ma sundries ena. Zinyalala izi, osati zosavuta kukanda kusindikiza pamwamba pa valavu, particles lalikulu la zinyalala (monga kuwotcherera slag), komanso akhoza kuletsa valavu yaing'ono, kuti kulephera kwake. Mukamayika VALVE YA SCREW, KUSINTHA KUSINTHA (WAWA NDI mafuta a aluminiyamu KAPENA PTFE RAW material lamba) ayenera kukulungidwa pa ulusi wa chitoliro, osalowa mu valavu, kuti mupewe voliyumu ya kukumbukira valavu, zimakhudza kuyenda kwapakati. Mukayika ma valve a flange, tcherani khutu kulimbitsa ma bolts molingana komanso molingana. Chovala cha valve ndi chitoliro cha chitoliro chiyenera kukhala chofanana, chilolezocho ndi choyenera, kuti valavu ipange kupanikizika kwakukulu, ngakhale kusweka. Kwa zida zowonongeka komanso osati mphamvu zambiri za valve, chisamaliro chapadera chiyenera kulipidwa. Vavu kuti welded ndi chitoliro adzakhala malo welded poyamba, ndiye chatsekedwa gawo adzatsegulidwa kwathunthu, ndiyeno welded akufa. Ma valve ena ayeneranso kukhala ndi chitetezo chakunja, chomwe ndi kuteteza kutentha ndi kuzizira. Choyikapo chotchinga nthawi zina chimasakanizidwa ndi mizere yotentha ya nthunzi. Ndi valavu yamtundu wanji yomwe iyenera kukhala kutentha kapena kuzizira, malinga ndi zofunikira zopanga. Mfundo, kumene sing'anga valavu kuchepetsa kutentha kwambiri, zidzakhudza kupanga dzuwa kapena valavu mazira, muyenera kutentha, ngakhale kusakaniza kutentha; Kumene valavu ilibe, yotsutsa kupanga kapena kuyambitsa chisanu ndi zochitika zina zovuta, muyenera kukhala ozizira. Zida zotetezera ndi asibesitosi, ubweya wa slag, ubweya wagalasi, perlite, diatomite, vermiculite, etc.; Zida zoziziritsa kukhosi, perlite, thovu, pulasitiki ndi zina zotero. Ma valve ena, kuwonjezera pa malo otetezera ofunikira, amakhalanso ndi bypass ndi zida. Njira yodutsa imayikidwa. Zosavuta kukonza msampha. Mavavu ena, nawonso anaika bypass. Kuyika kwa bypass kumadalira momwe ma valve alili, kufunikira kwake, ndi zofunikira pakupanga. Valve yamagetsi, kulongedza kwina sikunakhale kwabwino, ndipo zina sizigwirizana ndi kugwiritsa ntchito media, zomwe zimafunikira m'malo mwake. Vavu fakitale sangathe kuganizira ntchito masauzande a mitundu yosiyanasiyana ya TV, kulongedza bokosi nthawi zonse wodzazidwa ndi mizu wamba, koma pamene ntchito, ayenera kulola kulongedza katundu mu sing'anga kuti azolowere. Mukasintha kulongedza, kanikizani mozungulira mozungulira. Msoko uliwonse wa mphete mpaka madigiri 45 ndi woyenera, mphete ndi mphete yotsegula madigiri 180. Kutalika kwapang'onopang'ono kuyenera kuganizira njira yoti chithokomiro chipitirire kukanikiza, ndipo tsopano ndikofunikira kuti gawo lakumunsi la gland likanikizire chipinda chonyamulira ndikuya koyenera, komwe nthawi zambiri kumatha kukhala 10-20% ya kuya kwathunthu. chipinda chonyamulira. Kwa mavavu ofunikira, Angle yolumikizana ndi madigiri 30. Msoko pakati pa mphete ndi mphete umagwedezeka madigiri 120. Kuwonjezera pa kulongedza katundu, komanso malinga ndi mmene zinthu zilili, ntchito mphira O-mphete (achilengedwe mphira kugonjetsedwa ndi 60 digiri Celsius ofooka alkali, butadiene mphira kugonjetsedwa ndi 80 digiri Celsius mafuta kristalo, Fluorine mphira kugonjetsedwa ndi zosiyanasiyana dzimbiri. TV pansi pa 150 digiri Celsius) mphete zitatu zosanjikizana za polytetrafluoron (zosamva zowononga zowononga zosakwana madigiri 200 Celsius) mphete ya nayiloni (yosamva 120 digiri Celsius ammonia, alkali) ndi zodzaza zina. Wosanjikiza wa TEflon yaiwisi yaiwisi tepi amatha kusintha kusindikiza ndikuchepetsa kuwonongeka kwa electrochemical kwa tsinde la valve. Mukakanikiza zokometsera, tembenuzirani tsinde nthawi yomweyo kuti likhale lozungulira mozungulira, ndikupewa kufa kwambiri, kumangitsa chithokomiro kuti chikakamize mofanana, osapendekeka. Fluorine-gulugufe mavavu ntchito zinthu zofunika chisamaliro Fluorine-gulugufe mavavu flange chivundikirocho sangatseguke pokhapokha okonzeka ndi kulumikiza mapaipi, apo ayi PTFE flange pamwamba akhoza chifukwa cha kutentha kusiyana, matupi akunja, kugogoda pa zokala kapena kupotoza ndi chisindikizo, monga kusuntha. Chivundikiro bolodi kwa anayendera kufunika, komanso ayenera kukhala liwiro adzaphimba mbale bwererani pambuyo anayendera, kuteteza PTFE flange pamwamba. Fluorine akalowa valavu unsembe, fluorine akalowa valavu ntchito 1 fluorine alimbane valavu flange chivundikiro mbale sangathe kutsegulidwa mwa kufuna, pokhapokha ali wokonzeka kugwirizana ndi payipi, apo ayi PTFE flange pamwamba angakhale chifukwa cha kutentha kusiyana, thupi lachilendo chifukwa zikande kapena kupotoza ndi zimakhudza kusindikiza, monga kufunika kusuntha chivundikiro mbale, komanso ayenera anayendera pambuyo liwiro bwererani mbale chivundikirocho, kuteteza PTFE flange pamwamba. 2 fluorine alimbane valavu ndi payipi kugwirizana payipi, zambiri ndipo salinso ntchito yekha gasket, koma ndi zinthu zosiyana (zitsulo pamwamba, etc.) flange pamwamba, ayenera kugwiritsa ntchito gasket yoyenera, pofuna kuteteza PTFE flange pamwamba. M'KUGWIRITSA NTCHITO ZINTHU ZOTHANDIZA, NGATI KUTHA KUCHITIKA PA kutentha KWAMBIRI, kutentha kwadongosolo kumayenera kuchepetsedwa mpaka kutentha kwa chipinda choyamba, kenako fufuzani chifukwa chokonzekera. Pakuyika, mtedza wa flange uyenera kumangiriridwa mozungulira mozungulira (symmetric) ndikukhala ndi torque yoyenera: a Ngati chosindikizira cha flange chikutuluka ndipo mtedza womwe uli pamalo otayikira watsekedwa, mtedza womwe uli pamalo otayikira uyenera kumasulidwa theka. kutembenuka ndi mbali ina ya nati ziyenera kumangidwanso ndi torque yomweyo; B Ngati pamwamba njira akadali sasiya kutayikira, ayenera fufuzani PTFE flange pamwamba ngati pali concave ndi otukukira m'mimba indentation, zikande, ndiye zilipo ulusi pepala, nsalu kuti angaimbidwenso ndi reconnected. OSATI KUCHITA NTCHITO ILIYONSE YOYERETSA NTCHITO YAKUCHULUKA KWA NTCHITO PA MAVAVU A FLUORINE LINED KUTI MUPEWE KUWONONGA KWA NTCHITO YAKHALIDWE PA TSAMBA. 6 Mavavu okhala ndi fluorine ayenera kusungidwa m'chipinda chouma ndi mpweya wabwino. Osawaunjika. FLUORINE LINED VALVE PAMBUYO YOCHULUKA IDZAYENzedwa ndikuyenerera malinga ndi miyezo yoyenera isanakhazikitsidwe. Mukamagwiritsa ntchito VALVE YA FLUORINE PAMENE, SIZOLOLEZEKA KUTULUKA NDI KUTENGA VAVU NDI CHOTHANDIZA ZINTHU ZINA. Zofunikira za 9 za valavu yokhala ndi fluorine pakuyika sing'anga ziyenera kulabadira momwe muvi wolowera pathupi la valve, ndikuwonetsetsa kuti ntchito ndi kukonza ndizosavuta. 10 kusungirako kwa nthawi yayitali kwa fluorine yokhala ndi valve yosindikizira valavu iyenera kutsegulidwa pang'ono ndi kupatukana, kupewa kusinthika kwa nthawi yaitali kwa malo osindikizira pansi pa kupanikizika kwa nthawi yaitali, zomwe zimakhudza ntchito yosindikiza ndi moyo wautumiki.