Zofunikira pakuyika valavu yamapaipi momwe mungathanirane ndi valavu yamapaipi afiriji "kuthamanga, kuthamanga, kudontha, kutayikira"?
Kodi zofunika pa kukhazikitsa mavavu mapaipi? Kodi ndikofunikira kukwaniritsa zofunikira zina zoyika?
1. Poikapo, tcherani khutu ku kayendetsedwe ka kayendedwe ka sing'anga iyenera kukhala yogwirizana ndi momwe muvi wa thupi la valve umayendera.
2. Chongani valve idzayikidwa musanayambe kuti condensate ilowe mu chitoliro chachikulu chobwezeretsa pambuyo pa msampha kuti condensate isabwerere.
3, valavu ya ndodo sangakhoze kuikidwa m'manda chipangizo, ngati tsinde dzimbiri. Mu gutter yokhala ndi mbale yophimba, valavu iyenera kuikidwa pamalo omwe kukonza ndi kuyang'anira ndi ntchito ndizosavuta.
4, zofunikira zina zimatseka pamene kugunda kwamadzi kumakhala kochepa kapena kulibe payipi yamadzi, kusankha kwapang'onopang'ono kutseka valavu ya butterfly, valavu yotseka pang'onopang'ono.
5. Mukayika ma valve opangidwa ndi ulusi, m'pofunika kuonetsetsa kuti ulusiwo ulibe, ndipo umakutidwa ndi kusindikizidwa kosindikizidwa malinga ndi zofalitsa zosiyanasiyana. Mukamangirira, ndikofunikira kukakamiza mofanana kuti mupewe kuwonongeka kwa valve ndi zowonjezera zowonjezera.
6. Mukayika valavu yowotcherera ya socket, socket iyenera kukhala ndi mpata wa 12m kuti muteteze kupsinjika kwa kutentha panthawi yowotcherera kuti asakulitse ndi kusokoneza weld.
7. Mukayika pa payipi yopingasa, tsinde liyenera kukwezedwa mmwamba kapena kupendekera ku Angle inayake, ndipo tsinde sililoledwa kuyikidwa pansi.
8, valavu matako ndi payipi kugwirizana kuwotcherera pansi ayenera kugwiritsa ntchito kuwotcherera argon Arc, kuwotcherera ayenera kutsegula valavu kupewa kutenthedwa mapindikidwe.
9, musanayike msampha, onetsetsani kuti mukugwiritsa ntchito nthunzi kuti muchotse payipi, zinyalala mupaipi.
10, msampha wa nthunzi sukhazikitsa mndandanda.
11, valavu yamtundu wa diaphragm nthawi zambiri imagwiritsidwa ntchito kuti ikhale yosavuta kutulutsa madzi paipi, chifukwa diaphragm ikhoza kukhala yabwino kwambiri kuti ithetsere sing'anga pamene madzi akugunda, koma amachepetsedwa ndi kutentha ndi kupanikizika, zomwe zimagwiritsidwa ntchito mu kutentha kwa chipinda chochepa. payipi.
12, msampha uyenera kukhazikitsidwa pamaso pa fyuluta, kuonetsetsa kuti msampha sunatsekedwe ndi zinyalala za chitoliro, yeretsani fyuluta nthawi zonse.
13. Mavavu olumikizidwa ndi ma flanges ndi ulusi ayenera kutsekedwa pakuyika.
14, mayendedwe oyenda a condensate ayenera kukhala ogwirizana ndi mivi yoyika msampha.
15, msampha uyenera kuyikidwa pamalo otsika kwambiri a zida, kutulutsa madzi opindika munthawi yake, kupewa payipi yolimbana ndi nthunzi.
16. Poika ma valve opangidwa ndi flanged, mapeto awiri a flange ayenera kukhala ofanana ndi okhazikika.
17, isanayambe ndi itatha msampha kukhazikitsa valavu, msampha yabwino nthawi iliyonse kunyamula kukonza.
18, msampha wamakina kuti uyikidwe mopingasa.
19, anapeza kuti msampha nthunzi, kukhetsa yake ndi kuyeretsa fyuluta, malinga ndi ntchito yeniyeni yoyendera pafupipafupi, ngati kukonza zolakwika pa nthawi iliyonse.
20, musapangitse kuti valavu yowunika ikhale yolemera mu payipi, valavu yayikulu iyenera kukhala ** * yothandizidwa, kuti isakhudzidwe ndi kukakamizidwa kopangidwa ndi chitoliro.
21. Chitoliro chachikulu chobwezeretsa condensate pambuyo pa msampha sungakhoze kukwera, zomwe zidzawonjezera kupanikizika kwa msampha.
22. Ngati msampha sunakhazikitsidwe m'munsi mwa chipangizocho, pindani yowonongeka iyenera kuwonjezeredwa kumunsi kwa madzi, ndipo mulingo wa condensate umakwezedwa musanayambe kuyika msampha kuti mupewe kukana nthunzi.
23, chitoliro chokhetsa cha msampha sichiyenera kumizidwa m'madzi.
24. Ngati pali kuchira kwa condensate pambuyo pa msampha, chitoliro chokhetsa cha msampha chiyenera kugwirizanitsidwa ndi chitoliro chachikulu pamwamba pa chitoliro chachikulu chobwezeretsa kuti muchepetse kuthamanga kwa msana ndikupewa reflux.
25 Chida chilichonse chizikhala ndi msampha wake.
30, valavu yoyang'ana yopingasa yokwera iyenera kuyikidwa mu payipi yopingasa.
31, anaika mu nthunzi chitoliro msampha, chitoliro chachikulu kukhazikitsa pafupi ndi utali wozungulira waukulu chitoliro condensate zosonkhanitsira madzi bwino, ndiyeno kutsogolera ku msampha ndi chitoliro yaing'ono.
32, ngati pali kuchira condensate pambuyo msampha, m`pofunika kulekanitsa payipi kuchira osiyanasiyana misinkhu kuthamanga.
33, valavu yokweza yoyimilira yoyimilira iyenera kuyikidwa molunjika.
34, makina msampha si ntchito kwa nthawi yaitali, ayenera kuchotsa kukhetsa wononga, madzi mkati kumasulidwa, kuteteza kuzizira.
35, thermostatic msampha pamaso kufunika oposa mita imodzi ya kutchinjiriza matenthedwe chitoliro cha supercooled, mitundu ina ya msampha ayenera kukhala pafupi ndi zipangizo.
Momwe mungathanirane ndi valavu yamapaipi afiriji "kuthamanga, kuthamanga, kutsika, kutayikira"? Njira yabwino yothanirana ndi "kuthamanga, kuphulika, kudontha, kutuluka" kwa mavavu a chitoliro cha firiji ndikupewa. Momwe mungapezere vuto ndikupewa ngozi isanakwane valve? Kenako, tiyenera kuchita zotsatirazi:
Njira yabwino yothanirana ndi "kuthamanga, kuphulika, kudontha, kutuluka" kwa mavavu a chitoliro cha firiji ndikupewa. Momwe mungapezere vuto ndikupewa ngozi isanakwane valve? Kenako, tiyenera kuchita zotsatirazi:
1, kupewa kutayikira kwa madzi a valve, kutayikira kwa nthunzi
Mavavu onse ayenera kuyesedwa ndi hydraulically m'makalasi osiyanasiyana mutalowa mufakitale.
Mavavu omwe akufunika kuphwanyidwa ayenera kukhala pansi.
Mukukonza mopitilira muyeso, ndikofunikira kuyang'ana mosamala ngati muzu wa poto wawonjezedwa komanso ngati muzu wa poto wakhazikika.
Vavu pamaso unsembe ayenera kufufuza ngati pali fumbi, mchenga, okusayidi chitsulo ndi sundries ena mkati valavu. Ngati aliyense wa pamwamba sundries ayenera kutsukidwa pamaso unsembe.
Mavavu onse ayenera kuikidwa ndi ma spacers oyenera asanakhazikitsidwe.
Mukakhazikitsa chitseko cha flange, zomangira ziyenera kumangika, ndipo mukamangirira ma bolts, ziyenera kulumikizidwa molingana.
MU NTCHITO YA kuyika kwa ma valve, ma valve ONSE ayenera kuikidwa molondola molingana ndi dongosolo ndi kupanikizika, ndipo kuika mwachisawawa ndi kosakanikirana ndikoletsedwa. Pachifukwa ichi, ma valve onse ayenera kuwerengedwa ndi kulembedwa molingana ndi dongosolo asanakhazikitsidwe.
2. Pewani kutayikira kwadongosolo lamafuta ndikuyenda kwamafuta
Dongosolo lokhala ndi thanki yosungiramo mafuta liyenera kuyang'aniridwa mosamala ndikutsukidwa musanayike.
Kuyesa kwa hydrostatic kuyenera kuchitidwa pazida zoziziritsa mafuta.
Kuyesa kwa hydrostatic ndi pickling kuyeneranso kuchitidwa pamapaipi amafuta.
Malumikizidwe onse opindika kapena zolumikizira zokhala ndi mawaya amayenera kukhala ndi mphira wosamva MATS kapena Whetstone MATS pakuyika mafuta.
Malo otayikira a dongosolo lamafuta amakhazikika kwambiri mu flange ndi ulusi wamoyo, chifukwa chake ma bolts ayenera kumangika mofanana pakuyika flange. Pewani kutayikira kolimba kapena kusakhala kolimba.
Posefera mafuta, ogwira ntchito yomangayo ayenera kumamatira ku ntchito zawo nthawi zonse, ndipo ndizoletsedwa kuvula mtengo ndikumanga mtengowo.
M'malo mafuta fyuluta pepala m`pofunika kusiya mafuta fyuluta limagwirira.
Mukakhazikitsa chitoliro cholumikizira mafuta osakhalitsa (** pulasitiki yowonekera payipi), cholumikiziracho chiyenera kumangidwa ndi waya wotsogolera mwamphamvu kuti zisawonongeke ndikudumpha ndikuthamanga mafuta pambuyo poti fyuluta yamafuta imatha kwa nthawi yayitali.
Kutumizidwa kwa ogwira ntchito yomanga kuti awonere ntchito ya fyuluta yamafuta.
Asanayambe kufalikira kwa mafuta a injini yothandizira mafuta, dipatimenti ya Uinjiniya idzakonza tsatanetsatane waukadaulo kwa ogwira ntchito omwe amayang'anira kayendedwe ka mafuta a injini yothandizira.
3, kuteteza zida ndi chitoliro zoyenera olowa pamwamba kuwira, kuwira, kudontha, kutayikira
Pakuti flange gaskets pamwamba 2.5Mpa, zitsulo zokhotakhota gaskets anatengera.
1.0Mpa-2.5Mpa flange kupuma, pogwiritsa ntchito mpweya wa asibesitosi, ndi wokutidwa ndi ufa wakuda wotsogolera.
The flange gasket wa payipi madzi pansi 1.0Mpa adzakhala mphira gasket ndi yokutidwa ndi wakuda lead ufa.
Madzi mpope chimbale mizu ntchito PTFE CHIKWANGWANI gulu chimbale mizu.
Pazigawo zomata za utsi ndi mapaipi a malasha a mpweya, chingwe cha asbesitosi chiyenera kupindika ndikuwonjezedwa pamalo olumikizirana bwino nthawi imodzi. Ndizoletsedwa kuti muwonjezere mwamphamvu mutatha kulimbitsa zomangira.
4. Pewani kutuluka kwa valve
Kumanga kwa chitoliro, kuyenera kukhazikitsa chidziwitso chabwino, kuyeretsa pepala lachitsulo cha oxide ndi khoma la chitoliro, osasiya ma sundries, kuonetsetsa kuti khoma la chitoliro loyera.
Choyamba, onetsetsani kuti ma valve omwe amalowa pamalowa ayenera kuyesedwa 100% hydrostatic.
KUPITA mavavu KUYENERA KUCHITIKA MOsamamanira, MAVAVU ONSE (KUPOKERA MAVAVU OTSATIRA NTCHITO) ATUMIKIRWE KU GULU WOGAYA KUTI AKAYENDERE GAWO, kukonza kugaya, ndi kukhazikitsa udindo, KUKHALA WOKHALA KUKHALA ZOMWE ZINTHU ZINTHU ZINTHU ZINTHU ZINTHU ZINTHU ZINTHU ZINTHU ZINTHU AMALIMBIKITSIRA (KUPOKERA ZIMENE ZINACHITIKA). Ma valve ofunikira ayenera kulembedwa mwatsatanetsatane kuti avomerezedwe kachiwiri, kuti "kusindikiza, kusindikiza, kulembera" zofunikira.
Chipata cham'madzi cham'mwamba ndi chipata chotulutsira cha boiler chidzatsimikiziridwa pasadakhale. Ma valve awa okha ndi omwe amaloledwa kutsegulidwa panthawi ya hydrostatic test. Ma valve ena sayenera kutsegulidwa mwakufuna kwawo, kuti ateteze pakati pa valve.
Chitolirocho chikathamangitsidwa, chiyenera kutsegulidwa ndi kutsekedwa pang'onopang'ono kuti zisawonongeke pachitseko.
5, ngati valavu zatha, bwanji?
Pezani chifukwa, mankhwala oyenera!
Kutuluka kwa thupi ndi bonnet
Chifukwa chake:
Kuponyera chitsulo choponyera khalidwe sipamwamba, thupi la valve ndi chivundikiro cha valve chili ndi trachoma, bungwe lotayirira, slag ndi zolakwika zina;
Mng'alu wozizira tsiku;
kuwotcherera kosakwanira, kuphatikizidwa kwa slag, osasunthika, ming'alu yamavuto ndi zolakwika zina;
Chitsulo chachitsulo chinawonongeka ndi chinthu cholemera.
Njira Zosamalira:
Kupititsa patsogolo kuponyera khalidwe, pamaso unsembe motsatira makonzedwe a mayeso mphamvu;
Kutentha kwa valavu pa 0 ℃ ndi pansi pa 0 ℃, kuyenera kusunga kutentha kapena kusakaniza, kusiya kugwiritsa ntchito valavu ayenera kuchotsedwa madzi;
The kuwotcherera msoko wa thupi ndi valavu chivundikiro wapangidwa ndi kuwotcherera zidzachitika molingana ndi malamulo kuwotcherera opareshoni, ndi kudziwika cholakwa ndi mayeso mphamvu idzachitika pambuyo kuwotcherera;
AKULETSEDWA KUKUKULA NDI KUIKIKA ZINTHU ZOLEMERA PA VALVE. Sizololedwa kugunda chitsulo choponyedwa ndi valavu yopanda chitsulo ndi nyundo. Kuyika kwa valve yaikulu ya diameter kuyenera kuthandizidwa.
Kutayikira pa kulongedza katundu
Kutayikira kwa ma valve, kulongedza kunawerengera gawo lalikulu.
Chifukwa chake:
Kusankha kunyamula ndi kolakwika, osagonjetsedwa ndi dzimbiri, osagonjetsedwa ndi kuthamanga kwambiri kapena vacuum vacuum, kutentha kwakukulu kapena kugwiritsa ntchito kutentha kochepa;
Kulongedza sikunakhazikitsidwe moyenera, pali zolakwika zina monga kulowetsa chaching'ono ndi chachikulu, cholumikizira cha helix sichili chabwino, cholimba chapamwamba komanso chotsika chomasuka.
The kulongedza wakalamba ndi kutaya elasticity kupitirira moyo utumiki;
Vavu tsinde kulondola si mkulu, kupinda, dzimbiri, kuvala ndi zolakwika zina;
Chiwerengero cha mphete zonyamula sichikwanira, chithokomiro sichimapanikizidwa;
Gland, ma bolts, ndi mbali zina zimawonongeka, kotero kuti gland silingathe kupanikizidwa;
Kugwira ntchito molakwika, kukakamiza kwambiri, etc.;
Mphuno ya gland, gland ndi tsinde ndi yaying'ono kapena yayikulu kwambiri, zomwe zimapangitsa kuti tsinde liwonongeke, kuwonongeka kwa katundu.
Njira Zosamalira:
Zida ndi mtundu wa kulongedza ziyenera kusankhidwa malinga ndi momwe ntchito ikugwirira ntchito;
Malinga ndi zofunikira za kulongedza koyenera, muzu wa poto uyenera kuikidwa ndikuwunikiridwa mozungulira, olowa ayenera kukhala 30 ℃ kapena 45 ℃;
Kunyamula ndi moyo wautali wautumiki, ukalamba ndi kuwonongeka ziyenera kusinthidwa munthawi yake;
Kupindika kwa tsinde la valve, kuvala kuyenera kuwongoleredwa, kukonza, kuwonongeka kwakukulu kuyenera kusinthidwa munthawi yake;
Kuyikako kuyenera kukhazikitsidwa molingana ndi kuchuluka kwa matembenuzidwe, chithokomiro chizikhala chofanana komanso chomangika, malaya oponderezedwa ayenera kukhala ndi kusiyana kopitilira 5mm;
Chigoba chowonongeka, mabawuti ndi mbali zina ziyenera kukonzedwa kapena kusinthidwa munthawi yake;
Ayenera kutsatira njira opaleshoni, kupatula mphamvu ya handwheel, ndi yunifolomu liwiro yachibadwa mphamvu ntchito;
Bolt ya gland iyenera kumangika mofanana ndi symmetrically. Ngati kusiyana pakati pa gland ndi tsinde la valve kuli kochepa kwambiri, kusiyana kwake kuyenera kuwonjezeka moyenera. Ngati mpata pakati pa gland ndi tsinde ndi waukulu kwambiri, uyenera kusinthidwa.
Kutayikira kwa malo osindikizira
Chifukwa chake:
Kusindikiza pamwamba akupera osagwirizana, sangakhoze kupanga pafupi mzere;
Kugwirizana pakati pa tsinde ndi gawo lotseka kumaimitsidwa, osati molunjika kapena kuvala;
Kupindika kwa tsinde la valavu kapena kusonkhana sikuli kolondola, kotero kuti gawo lotseka ndilokhota kapena osati pakati;
Kusankhidwa kosayenera kwa kusindikiza pamwamba pa khalidwe lapamwamba kapena ayi molingana ndi momwe ntchito yosankhidwa ya valve ikuyendera.
Chifukwa chake:
Kusagwira ntchito bwino, kotero kuti chidutswa chotseka chikakamira kapena choposa chakufa, kugwirizanako kumawonongeka ndikusweka;
Tsekani kugwirizana sikuli kolimba, kumasuka ndi kugwa;
Kusankhidwa kwa zinthu zolumikizira sikuli koyenera, sikungathe kupirira dzimbiri za sing'anga ndi makina ovala.
Njira Zosamalira:
Kugwira ntchito moyenera, kutseka valavu sikungathe kukakamiza kwambiri, kutsegula valavu sikungadutse mfundo yakufa, valavu imatsegulidwa mokwanira, gudumu lamanja liyenera kutembenuka pang'ono;
Kulumikizana pakati pa gawo lotseka ndi tsinde la valve liyenera kukhala lolimba, ndipo kulumikiza kwa ulusi kuyenera kukhala gawo lakumbuyo;
Zomangamanga zomwe zimagwiritsidwa ntchito polumikiza mbali zotsekera ndi tsinde la valve liyenera kupirira dzimbiri lapakati komanso kukhala ndi mphamvu zamakina komanso kukana kuvala.
Nthawi yotumiza: Oct-28-2022
