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Dab tsi yog qhov kev siv zirconium tam sim no?

Nov 15, 2021

Covsiv zirconiumyog tas li tapping nws lub peev xwm. Zirconium hniav, cov cuab yeej txiav, cov khoom siv tiv thaiv corrosion, thiab lwm yam kev lag luam tau nkag mus tsis tu ncua, yog li cov ntsiab lus xav tau tshiab yuav tsum tshwm sim.

Covdaim ntawv thov teb ntawm zirconiumNws yog dav heev, hlau Zr tsuas yog nyiaj li ntawm 3% mus rau 4%, feem ntau yog nyob rau hauv daim ntawv ntawm silicate, lub zirconium oxide siv nyob rau hauv ceramics, refractory cov ntaub ntawv, thiab lwm yam teb, nws ib feem ntawm daim ntawv thov accounted rau ntau tshaj 90% ntawm cov khoom. noj.

Tsis tas li ntawd, vim tias nws muaj cov khoom siv hluav taws xob zoo heev, nws cov thermal neutron absorption cross-section me me, tsuas yog 0.18 × 10-28. Ib qho tseem ceeb ntawm kev siv nws cov alloys yog cov khoom siv roj cladding thiab lwm yam khoom siv rau lub zog nuclear reactors. Yog li ntawd, kev tshawb fawb thiab kev loj hlob ntawm Zr thiab Zr alloys yog ze ze rau kev lag luam nuclear. Nws yog thawj zaug siv nyob rau hauv nuclear-powered ships, thiab ces siv zog tsim atomic power stations.

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Zirconium yog cov hlau nquag siv nrog kev sib raug zoo rau cov pa oxygen, uas ua rau muaj kev tiv thaiv oxide zaj duab xis hauv huab cua ntawm chav tsev kub. zaj duab xis ua rau nws muaj zoo heev corrosion kuj. nrog zoo corrosion kuj, nws muaj zog tsis kam mus rau ntau daim ntawv corrosion media, featured los ntawm zoo mechanical thiab tshav kub hloov lwm lub tsev, thiab tseem ceeb cov nqi zoo, ua rau nws ib tug zoo heev corrosion-resistant structural khoom nyob rau hauv lub teb ntawm petrochemical kev lag luam.

Muaj zirconiumyog dav siv nyob rau hauv ntau yam khoom siv los tiv thaiv corrosion. Nws cov ntawv thov tseem ceeb suav nrog cov hlab ntsha siab, cov khoom siv hluav taws xob, cov kav dej, cov qhov, cov ncej, cov khoom sib tov, thiab lwm yam khoom siv kho tshuab nrog rau li qub, twj, sprayers, pallets, pos huab eliminators, thiab yees. Raws li kev txheeb cais, nws tau ua tiav rau hauv cov hlau zirconium (los yog daim txhuam cev), thiab tom qab ntawd ntxiv cov txheej txheem rau hauv cov hlau, uas yog siv rau hauv cov khoom siv hluav taws xob nuclear lossis kev lag luam. Hais txog kev ua haujlwm nyuaj, thev naus laus zis, thiab lwm yam, Zr kev lag luam saw yog qhov kawg siab tshaj plaws.

Muaj qib zirconium(los yog chemical-qib) feem ntau yog siv los ua cov khoom siv tshuaj acid-base resistant, kev lag luam tub rog, thiab kev lag luam hluav taws xob.

Zirconium yog cov xim dawb-dawb hloov pauv hlau. Nws yog ib qho yooj yim los tsim ib zaj duab xis oxide rau ntawm qhov chaw nrog luster. Yog li ntawd, nws cov tsos zoo ib yam li cov hlau thiab muaj corrosion kuj, tab sis nws yog soluble hauv hydrofluoric acid thiab aqua regia; Thaum qhov kub thiab txias, nws tuaj yeem hnov ​​​​mob nrog cov hlau tsis yog hlau thiab ntau lub ntsiab lus hlau los tsim cov khoom sib xyaw ua ke. nws muaj cov yas zoo thiab yooj yim rau kev ua tiav rau hauv daim hlau, xov hlau, thiab lwm yam. nws tuaj yeem nqus tau ntau cov pa oxygen, hydrogen, nitrogen, thiab lwm yam gases thaum rhuab, uas tuaj yeem siv los ua cov khoom siv hydrogen; nws muaj kev tiv thaiv corrosion zoo dua li titanium, ze rau niobium thiab tantalum.

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Zirconium feem ntau muaj nyob rau hauv qhov xwm txheej ntawm cov zaub mov. nws nyob qib 20 hauv ntiaj teb' s crust. Nws yog ntau tshaj li cov hlau xws li tooj liab, txhuas, nickel thiab zinc, tab sis nws yog hu ua cov hlau tsis tshua muaj, Vim tias cov txheej txheem kev npaj yog nyuaj thiab nyuaj rau kev lag luam tawm. Tsis tas li ntawd, ntawm ntau tshaj 40 hom zirconium hafnium deposits uas tau pom, tsuas yog hais txog 10 hom muaj nqi mining, thiab tsuas yog ob hom zircon thiab oblique zircon yog siv rau kev tsim khoom.

Baoji Fairy Titanium Industry Co., Ltd tsom rauzirconium phaj, pas nrig, hlau, yeeb nkab, forging, flange, txheem qhov chaw, lub crucible, phiaj, ncej tes tsho, composite cov ntaub ntawv, thiab lwm yam corrosion-resistant cov ntaub ntawv.. Kev txaus siab txais tos koj los dai kom nug nrog kev sib tham.


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