Pressure Vessel Plates Simbi mahwendefa anoshandiswa mukugadzira mabhoilers eutsi, midziyo yekumanikidza uye zvimwe zvimiro zvemidziyo yekumanikidza.Nekuti rudzi urwu rwendiro yesimbi inotakura imwe mhepo uye dzvinyiriro yemvura, pamwe nenzvimbo yekushandiswa kwetembiricha dzakasiyana, senge tembiricha yepamusoro, yepakati uye yakaderera, nezvimwewo, zvinodikanwa zverudzi urwu rwesimbi zvine kuomarara.
Kutepfenyura kwechigadzirwa
(1) Tsanangudzo: Mukuwedzera pakuda simba rakati uye kuoma, chinhu chinodiwawo kuti chive chakafanana, uye hurema hunokuvadza hwakaganhurirwa zvikuru.
(2) Mhando: Maererano nekurongwa kwezvikamu, zvinogona kugoverwa muzvikamu zviviri: carbon steel plates uye alloy steel plates;maererano nehurongwa hwesimba, inogona kukamurwa kuva yakakwirira, yepakati uye yakaderera kudzvinyirira simbi mahwendefa;Corroded steel plate.
Ukobvu hwendiro yekumanikidza yendiro inowanzo muhupamhi hwe5 kusvika 200mm, uye nguva yacho yakakamurwa kuita akati wandei makukutu.Mazita emhando yenyika akakurudzirwa masaizi epepa uye kutsauka kunotenderwa.Chimiro chechimiro (1) Chimiro cheplate yesimbi: yakadai secamber, flatness, kona yekurudyi, etc. (2) Kukanganisa kwepamusoro: Kukanganiswa kwepamusoro kwesimbi mahwendefa kunonyanya kusanganisira kutsemuka, mavanga, mabhuru akatsetseka, tsvina, blisters, pores, yakatsikirirwa iron oxide scale, etc. Nekuda kwezvikonzero zvekuchengetedza, kumanikidza mudziyo simbi mahwendefa ane kuomarara zvinodiwa pamusoro pepamusoro uye mukati kuremara.Zvikanganiso zviri pamusoro apa hazvibvumirwi.Zvisinei, nzira dzakakodzera dzinobvumirwa kubviswa, uye nzvimbo yekubvisa inofanira kunge yakadzikama.Ukobvu hwayo hahufaniri kudarika mutsauko unobvumirwa muhupamhi hwesimbi yesimbi.Interlayers zvakare kazhinji haabvumirwe.Chemical composition index:
①Carbon simbi ndiro: inonyanya kuona zviri mukati kabhoni, silicon, manganese, phosphorus uye sarufa.Mamwe masimbi ekabhoni anewo huwandu hwemhangura, chromium, nickel, molybdenum, vanadium nezvimwe zvinhu.Pakati pavo, kabhoni ndiyo inonyanya kukoshesa simba resimbi yesimbi, kureva kuti, simba resimbi yesimbi rinowedzera nekuwedzera kwekabhoni.Iyo kabhoni yemukati yecarbon steel plate iri pakati pe0.16 ne0.33%.Manganese nesilicon zvakare zvine mhedzisiro yekuvandudza zvinhu uye kuwedzera simba.Silicon: 0.10～0.55%, Manganese: 0.4～1.6%.Zvimwe zviyero hazvidi silicon uye manganese kune akajairwa boiler mahwendefa, uye mhangura iri pazasi 0.30%.Mamwe mazinga akadai seJapan neRussia haana mhangura yemukati zvinodiwa.Mamwe masimbi emhando yepamusoro ane chromium (pasi pe0.25%), nickel (pazasi 0.30%), molybdenum (pazasi 0.10%), uye vanadium (pasi pe0.03%).Iyo kemikari yemhando yebhoiler simbi mahwendefa emagiredhi akasiyana-siyana inoratidzwa mune zvigadzirwa zviyero zvakapihwa muTebhu 6-7-3.
② Low alloy steel plate: Pamusoro pezvinhu zvekabhoni simbi, pane zvakare imwe chiyero che molybdenum, chromium, nickel, vanadium, etc. Kune akawanda magiredhi esimbi esimbi yakaderera alloy, pakati peiyo inonyanya kushandiswa zviyero. sezvinotevera: 1/2 Mo, 1/2Mo-B simbi: ASTM A204, JIS G3107;Mn-1/2Mo1/2Mo, Mn-1/2Mo-V, Mn -1/2Mo-1/4Ni, Mn1/2Mo-1/2N isimbi: ASTM A302, A533, JIS G3119, G3120;1Cr-1/2Mo, 11/4Cr-1/2Mo, 21/2Cr-1Mo, 3C r-1Mo, 5Cr-1/2Mo, 7Cr-1/2Mo, 9Cr-1Mo: JISG4109, ASTM A387, A533, DIN1715.
③ Yakadzimwa uye yakadzimwa yakakwirira-yakasimba simbi ndiro: ona ASTM A517, A537, A724, A734, JISG3115.
④ Yakaderera tembiricha simbi: inosanganisira kabhoni simbi uye alloy simbi.Kemikari inoumbwa uye michina zvivakwa zvinogona kuwanikwa muASTMA612, A 662, A735, A736, A738, A203, A645, JIS G3126.
⑤Simbi isina tsvina: tarisa kune JIS G4304, ASTM A240, AISI13, ΓOCT5632.
Nguva yekutumira: Aug-15-2022