S355j0h chitoliro chosasunthika chachitsulo chotsimikizika

Mkulu kuthamanga zitsulo chitoliro ali wabwino mabuku mawotchi katundu kutentha firiji ndi kutentha ndi kulamulira okhwima khalidwe. Ndizoyenera nthawi zosiyanasiyana zogwirira ntchito pansi pa zovuta kwambiri. Mapaipi achitsulo opanikizika kwambiri amagwiritsidwa ntchito kwambiri m'maboilers, mapaipi amafuta othamanga kwambiri a injini za dizilo, zida za feteleza wamankhwala ndi mapaipi.

Zofunikira pakuyika mapaipi othamanga kwambiri ndizofanana ndi zopangira mapaipi apakati komanso otsika, koma zofunikira ndizokwera ndipo malamulowo ndi okhwima. Choncho, kuwonjezera pa kukwaniritsa zofunikira za kukhazikitsa mapaipi apakati ndi otsika, zotsatirazi ziyenera kutsatiridwa.

Magawo a chitoliro chokwera kwambiri, zopangira zitoliro, zomangira ndi ma valve omwe amagwiritsidwa ntchito poyikirapo ayenera kudutsa ndikuwunika ndikuphatikizidwa ndi zikalata zogwirizana ndiukadaulo. Akatumizidwa ku malowa, ayenera kusungidwa bwino, kuzindikiridwa ndi kuikidwa bwino. Asanakhazikitse, malo amkati ndi akunja adzapukutidwa, ndipo njira yamkati iyenera kuyang'aniridwa ngati pali zinthu zakunja ndi zosalala. Onani ngati roughness wa nozzle kusindikiza pamwamba ndi gasket akukumana zofunika. Sipadzakhala zokala (makamaka ma radial scratches), mawanga ndi zolakwika zina zomwe zimakhudza ntchito yosindikiza pamalo osindikizira. Kupatula mapaipi omwe ali ndi zofunikira zochotsera mafuta, malo osindikizira a nozzle ndi gasket ayenera yokutidwa ndi mafuta a injini kapena batala kapena vaseline yoyera kuti atetezedwe. The ulusi gawo la chitoliro mapeto a oyenerera mkulu-anzanu chitoliro adzakhala TACHIMATA ndi molybdenum disulfide mafuta kapena graphite injini mafuta chitetezo, kupatula mipope kuti degreased monga tafotokozera.

Pakuyika mapaipi, choyikapo chitoliro chokhazikika chidzagwiritsidwa ntchito kukonza, ndipo chotchinga choteteza chidzayikidwa pa chitoliro cha chitoliro polumikizana ndi mapaipi othamanga kwambiri ndi zotengera malinga ndi zofunikira za kapangidwe kake. Mukayika flange yothamanga kwambiri, chamfer ya ulusi wotsiriza wa chitoliro idzawululidwa. Mukayika gasket yosindikiza, musamapachike ndi waya wachitsulo. Mafuta adzagwiritsidwa ntchito pa chitoliro cha chitoliro ndi gasket pasadakhale, ndipo chofewa chofewa chachitsulo cholimba kwambiri chidzayikidwa molondola pampando wosindikiza. Mabawuti a flange ayenera kumangika molingana komanso molingana popanda kuchulukira. Maboti akamangika, ma flange awiriwo azikhala ofanana komanso okhazikika. Ulusi wowonekera kunja kwa mtedza ukhale ulusi wa 2 ~ 3, ulusi osachepera 2, ndipo kutalika kowonekera kwa bawuti iliyonse kukhale kofanana. Pakuyika, sikuloledwa kubwezera zolakwika zopanga kapena kukhazikitsa pogwiritsa ntchito kukoka mwamphamvu, kukankha, kupotoza kapena kusintha makulidwe a kusindikiza gasket. Ngati kuyika kwa mapaipi sikungachitike ndikumalizidwa mosalekeza, khomo lotseguka la chitoliro lidzatsekedwa munthawi yake. Zigawo za gawo lachitsanzo cha chida pa pipeline zidzayikidwa nthawi yomweyo payipi.

Machubu opopera othamanga kwambiri ndi mtundu wa chubu cha boiler, chomwe chili m'gulu la chubu chachitsulo chosasokonezeka. Njira yopangira ndi yofanana ndi chitoliro chosasunthika, koma pali zofunikira zokhwima pazitsulo zachitsulo zomwe zimagwiritsidwa ntchito popanga chitoliro chachitsulo. Machubu a boiler othamanga nthawi zambiri amakhala ndi kutentha kwambiri komanso kupanikizika kwambiri. Machubu adzakhala oxidized ndi dzimbiri pansi pa zochita za mkulu kutentha chitoliro mpweya ndi nthunzi. Chitoliro chachitsulo chimafunika kuti chikhale ndi mphamvu zokhalitsa, anti-oxidation yapamwamba ndi ntchito ya dzimbiri komanso kukhazikika kwadongosolo. Machubu opopera oponderezedwa kwambiri amagwiritsidwa ntchito makamaka popanga machubu otenthetsera, machubu otenthetsera, machubu a mpweya, machubu akulu a nthunzi, ndi zina zambiri zama boiler othamanga kwambiri komanso othamanga kwambiri.

Machubu opopera othamanga kwambiri ndi mtundu wa chubu cha boiler, chomwe chili m'gulu la chubu chachitsulo chosasokonezeka. Njira yopangira ndi yofanana ndi ya machubu opopera osakanizika kwambiri, koma pali zofunika kwambiri pamakalasi achitsulo omwe amagwiritsidwa ntchito popanga machubu achitsulo. Machubu a boiler othamanga nthawi zambiri amakhala ndi kutentha kwambiri komanso kupanikizika kwambiri. Machubu opopera oponderezedwa kwambiri amagwiritsidwa ntchito makamaka popanga machubu otenthetsera, machubu otenthetsera, machubu a mpweya, machubu akulu a nthunzi, ndi zina zambiri zama boiler othamanga kwambiri komanso othamanga kwambiri.

Chifukwa chogwira ntchito nthawi yayitali kutentha kwambiri komanso kupanikizika kwambiri, zinthu za chubu chowotchera zidzakwera, kuchepetsa pulasitiki ndi kulimba, kusintha kapangidwe kake ndikupanga dzimbiri. Chitoliro chachitsulo cha boiler chizikhala ndi: (1) mphamvu zokwanira zokhalitsa; (2) Kukwanira kwa pulasitiki deformation mphamvu; (3) Chizoloŵezi chochepa cha ukalamba ndi kuwonongeka kwa kutentha; (4) High oxidation kukana, kukana malasha phulusa, gasi dzimbiri pansi pa kutentha, nthunzi ndi nkhawa dzimbiri kukana; (5) Good structural bata ndi zabwino ndondomeko katundu. Mitundu yachitsulo yamachubu opopera othamanga kwambiri imaphatikizapo chitsulo cha kaboni, pearlite, ferrite ndi chitsulo chosapanga dzimbiri cha austenite chosatentha. Pofuna kupititsa patsogolo mphamvu yamagetsi yamagetsi amagetsi ndi kuchepetsa kugwiritsira ntchito mafuta, maiko padziko lonse lapansi amayang'ana pa chitukuko cha mphamvu zazikulu ndi chizindikiro chapamwamba (kutentha kwambiri ndi kuthamanga kwakukulu) mayunitsi amphamvu otentha (pamwamba pa 1000MW). Kuthamanga kwa nthunzi kumawonjezeka kufika 31.5 ~ 34.3mpa, kutentha kwa nthunzi kumafika pa 595 ~ 650 ℃, ndipo kumakula mpaka kupanikizika kwakukulu kwambiri, komwe kumapangitsa kuti pakhale zofunikira zapamwamba za machubu opopera kwambiri. Chifukwa chake, magiredi atsopano achitsulo apangidwa kuti akwaniritse zosowa zama boilers apamwamba kwambiri.