Malo oyika ndi Makhalidwe oyika ma valve a mpweya wotentha ndi zofunikira zogwirira ntchito ndi momwe angasamalire
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.
1 Direction ndi malo
Ma valve ambiri ndi olunjika
Mwachitsanzo, valavu ya globe, valve throttle valve, valve reduction valve, valve valve, etc., ngati itayikidwa kumbuyo, idzakhudza momwe ntchito ikugwiritsidwira ntchito ndi moyo (monga throttle valve), kapena sizigwira ntchito konse (monga kuchepetsa kupanikizika. valavu), ndipo ngakhale kuyambitsa ngozi (monga valavu cheke). Mavavu ambiri okhala ndi zolembera pathupi. 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.
Malo oyika ma valve ayenera kukhala osavuta kugwiritsa ntchito
Ngakhale kukhazikitsa kuli kovuta kwakanthawi, ndikofunikira kuganizira ntchito yayitali ya wogwiritsa ntchitoyo. Kuwongolera bwino kwa valavu ndi kuyika pachifuwa (nthawi zambiri 1.2 mita kuchokera pamalo opangira), kotero kuti kutsegula ndi kutseka kwa valavu 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.
2 Ntchito Yomanga
Kuyika ndi kumanga kuyenera kusamala, musamenye valavu yopangidwa ndi zinthu zowonongeka.
Pamaso unsembe
Mitundu yonse ya ma valve ndi mafotokozedwe ayenera kuyang'aniridwa mosamala kuti agwirizane ndi zofunikira za mapangidwe.
(Onani ngati AMAGWIRITSIDWA NTCHITO PAMENE ZOFUNIKA molingana ndi chitsanzo cha valve ndi malangizo a fakitale, ndikuyesa madzi kapena mpweya ngati kuli kofunikira.)
Kuonjezera apo, ziyenera kufufuzidwanso ngati kulongedzako kuli bwino, ngati bolt ya gland ili ndi ndalama zokwanira zosinthira, ndikuyang'ana ngati tsinde ndi disc ndizomveka, ngati pali chokhazikika ndi chododometsa.
Malo osindikizira a disc valve ayenera kutsekedwa mwamphamvu, ndipo khalidwe la ulusi liyenera kufufuzidwa kuti likhale ndi ma valve opangidwa ndi ulusi. Mavavu osayenerera SADZAIWIKIDWA ndipo adzaikidwa pawokha kapena kulembedwa chizindikiro.
*** Zinyalala mu valavu.
The unsembe ndondomeko
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.
3 Njira Zotetezera
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.; Zinthu zoziziritsa kukhosi ndi nkhata, perlite, thovu, pulasitiki ndi zina zotero.
4 Bypass ndi mita
Ma valve ena, kuwonjezera pa malo otetezera ofunikira, amakhalanso ndi bypass ndi zida. Njira yodutsa imayikidwa. Zosavuta kukonza msampha. Mavavu ena, nawonso anaikapo bypass. Kuyika kwa bypass kumadalira momwe ma valve alili, kufunikira kwake, ndi zofunikira pakupanga.
5 Kulongedza katundu
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 yotseguka 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.
Kuyika ma valve otenthetsera ndi kugwiritsa ntchito zofunikira komanso momwe mungasungire kukhazikitsa ndikugwiritsa ntchito zofunikira zaukadaulo
1. Valavu yotentha yotentha imatha kukhazikitsidwa ndikugwiritsidwa ntchito ndi tsinde perpendicular pansi, ndipo kusokoneza kuyenera kuchitidwanso pansi pa chikhalidwe cha tsinde perpendicular pansi;
2. Kayendetsedwe ka mpweya wa vavu ya mpweya wotentha ndi njira yolowera ndi potulutsira madzi ozizira ziyenera kugwirizana ndi momwe chithunzicho chikuyimira. Mukayika valavu ya mpweya wotentha, muvi wamphepo uyenera kuloza chitoliro chachikulu cha mpweya wotentha. Pamene valavu ya mpweya wotentha imagwiritsidwa ntchito ngati valavu yoyaka moto ndi valavu ya flue, muvi wa mphepo uyenera kuloza ku chitofu chowotcha; Pamene valavu ya mpweya wotentha imagwiritsidwa ntchito ngati valavu yopumira kumbuyo, muvi wamphepo uyenera kuloza chitoliro chachikulu cha mpweya wotentha; Vavu ya mpweya wotentha ikagwiritsidwa ntchito ngati valavu yotsekera mpweya wosakanikirana, muvi wamphepo uyenera kuyang'ana kutali ndi chitoliro chachikulu cha mpweya wotentha. (Pamene valavu ya mpweya wotentha imagwiritsidwa ntchito ngati njira yopangira ma valve omwe tatchulawa * Pamene dzina la nameplate likadali lotentha, ndipo dzina la nameplate ndilo dzina lapamwamba, muvi wamphepo umasonyeza kumene valavu ikupita. .)
3. Musanayambe kukonza, yeretsani malo osindikizira a valavu ndi mbale ya vavu ndi ulusi wa thonje kuti malo osindikizira asakanda. Musanayambe ntchito, onjezani mafuta opaka mafuta kumalo aliwonse amafuta, kuwaza ufa wa graphite kapena mafuta ku gawo loyandama losindikiza;
4. Pambuyo poika, yang'anani kumangirira kwa ma bolts mu thupi la valve, chivundikiro cha valve, chisindikizo cha tsinde la valve ndi mbali zina kuti muwonetsetse kuti palibe kutuluka kwa mpweya ndi kugwa bwino kwa mbale ya valve. Pamanja yambani valavu pa liwiro lotsika kuti mutsimikize ntchito yachibadwa ya makina musanayambe kuyesa kuyesa;
5. Kuyika kwa chitoliro cha valve ndikuyika konse (kupatula chipangizo chotumizira). Malo okweza ndi chikwama chonyamulira pa valavu (4 ili mu flange yozungulira, chikwama chonyamulira pa chivundikiro cha valve ndicholetsedwa kuti chinyamule chonse), chipangizo chotumizira chimayikidwa pa valavu pambuyo pa kuyika kwathunthu kwa valve. ;
6. The valavu chitoliro flange pakati ntchito ceramic zitsulo gasket TACHIMATA ndi kutentha sealant chisindikizo, kuteteza kutayikira mpweya;
7. Pamene valavu yatsegulidwa, gawo lapansi la mbale ya valve liyenera kukhala loposa 100mm kuposa pamwamba pa njira ya valve (njira yowonongeka: kwezani mbale ya valve kumtunda wapamwamba ndikuponya 50mm ngati kutsegulira kwa valve. udindo). Madzi ozizira a valavu ayenera kutsegulidwa, kutentha kotuluka kumakhala kotsika kuposa 40 ℃;
8. Musanayambe kukhazikitsa valavu, chimango chotumizira ndi thupi la valve chiyenera kunyamulidwa ndikusungidwa padera, ndiyeno kuikidwa konse kudzachitidwa pamalopo. Limbikitsani thupi la valavu ndi chipangizo chotumizira molingana ndi malo opangira mawonekedwe panthawi ya kukhazikitsa, ndipo sungani valavu pafupi ndi malo osinthira pambuyo pa kukhazikitsa ndi kusintha. Vavu ikayamba kuyesa, iyenera kuyambika pamanja mphamvu isanayambe. (Zindikirani: Mukayika valavu ya hydraulic transmission valve, mbali zonse ziwiri za silinda piston zimakhala ndi sitiroko yaulere pamene valavu yatsegula ndi kutsekedwa, ndiyeno konzekerani kusinthana kwa stroke pambuyo pa kusintha. mpaka malire udindo valavu mbale sitiroko, ndiyeno kupachika unyolo). Kugwira ntchito kuyenera kukhala kosalala popanda kugunda ndi kukhudza kokhazikika.
Kukonza ndi kukonza ma valve
1. Yang'anani momwe valavu imasindikizira kamodzi pa sabata ikatsekedwa, weruzani momwe valavu imagwirira ntchito ndi manja ndi khutu, ndikufotokozera ndi kuthana ndi mavuto aliwonse panthawi;
2. Yang'anani kutentha kwa madzi ozizira, kuthamanga kwa madzi ndi kutuluka kunja kwa ntchito isanayambe kapena itatha, ndikuchotsa mavuto aliwonse panthawi yake;
3. Potsegula ndi kutseka valavu, chidwi chiyenera kuperekedwa ku kayendetsedwe kokhazikika, ndipo mavuto ayenera kuchitidwa nthawi;
4. Lembani mafuta odzola ndi mafuta kawiri pa sabata kuti muteteze kusowa kwa mafuta ndikuwotcha kuwonongeka kwa ziwalo zosuntha;
5. Ndizoletsedwa kugwiritsa ntchito pansi pa madzi ozizira osakwanira ndi madzi odulidwa;
6. Yang'anani nthawi zonse ndikutsuka matope mu vavu, ndi kuthana ndi zolakwika mu nthawi;
7. Chonde werengani buku la chipangizo chamagetsi choperekedwa ndi valavu yamagetsi pazidziwitso za chipangizo chamagetsi.
zina
1. Vavu iyenera kusungidwa ndi kunyamulidwa ndi kusindikiza pamwamba pa valavu yoyikidwa pansipa ndi muvi wa mphepo yoyang'ana mmwamba (pamene dzina la dzina la dzina ndi valavu ya flue, valve yopuma mpweya yopuma ndi mpweya wosakanikirana wodulira valve, muvi wa chotchinga champhepo choyang'ana pansi) ndi tsinde la valve yokhazikika pamalo otsekedwa kuti malo osindikizira asawonongeke ndi kugwedezeka;
2. Chipangizo chotumizira chidzaphwanyidwa ndi wopanga pambuyo pa kukhazikitsidwa koyenerera ndi kukonza zolakwika.
Nthawi yotumiza: Sep-09-2022
