Vim li cas thiaj xaiv Tungsten-Rhenium Thermocouples kom tau txais qhov tseeb?

Thaum ntsuas kub, lub thermocouple koj xaiv yuav txiav txim seb koj puas tau txais cov ntaub ntawv raug thiab zoo ib yam. Ntawm ntau yam uas muaj nyob rau hauv kev ua lag luam, tungsten-rhenium thermocouples sawv tawm raws li kev xaiv nthuav dav nrog ntau yam txiaj ntsig sib txawv uas ua rau lawv haum rau kev siv dav dav.
Keeb kwm tsim nyob rau hauv thaum ntxov 20th caug xyoo, tungsten-rhenium thermocouples tau loj hlob los ua ib qho cuab yeej tsim nyog rau kev ntsuas kub. Ob lub xov hlau-ib qho ntawm tungsten thiab lwm qhov ntawm tungsten-rhenium alloy ua rau cov thermocouples. Cov ntsiab lus no tau muab ua ke muab cov txiaj ntsig tshwj xeeb uas pab piav qhia lawv qhov kev ua tau zoo.
Qhov zoo-kub muaj peev xwm ntawm tungsten-rhenium thermocouples yog ib qho tseem ceeb ntawm kev coj lawv xaiv. Lawv cov ntsiab lus melting-txog 3300 degree - tso cai rau lawv tiv taus qhov kub siab tshaj qhov ncav cuag ntawm ntau lwm yam thermocouple. Rau kev siv nyob rau hauv aerospace sector, qhov twg cav khiav ntawm kub heev, los yog nyob rau hauv metallurgy, qhov twg high-temperature furnaces yog siv rau melting thiab purifying hlau, qhov no ua rau lawv zoo meej. Tungsten-rhenium thermocouples, piv txwv li, pab cov neeg ua haujlwm hauv lub Hoobkas steelmaking kom meej meej tswj cov txheej txheem thiab lav qhov zoo ntawm cov khoom tshwm sim los ntawm kev ntsuas qhov kub thiab txias hauv qhov cub.
Zoo precision ntawm tungsten-rhenium thermocouples yog lwm qhov txiaj ntsig. Lawv qhov kev ua siab ntev ntev-feem ntau nyob rau hauv ±0.05% ntawm qhov ntsuas kub-yog qhov tseem ceeb hauv kev siv qhov kev tswj qhov kub thiab txias yog qhov tsim nyog kiag li. Qhov kev txiav txim siab no pab cov neeg siv khoom txiav txim siab zoo nyob ntawm cov ntaub ntawv ntsuas kub zoo ib yam, yog li txhim kho cov txheej txheem tswj thiab cov khoom zoo. Piv txwv li, nyob rau hauv ib tug semiconductor ntau lawm txheej txheem qhov twg txawm feeb kub hloov yuav ho cuam tshuam lub nti zoo, qhov zoo precision ntawm tungsten-rhenium thermocouples yog ib qho tseem ceeb heev.
Sib nrug los ntawm qhov kub thiab txias muaj peev xwm thiab qhov tseeb, tungsten-rhenium thermocouples kuj qhia tau zoo heev. Txawm nyob rau hauv qhov xav tau ib puag ncig, cov ntaub ntawv siv rau hauv lawv cov kev tsim kho yog heev resistant rau kub ntxhov thiab deterioration. Yog li ntawd, lawv tuaj yeem khaws lawv cov kev ua tau zoo dhau lub sijhawm ntev, yog li txo qis qhov xav tau rau kev ntsuas thiab hloov pauv. Rau kev lag luam txuas ntxiv mus ua haujlwm 24/7, piv txwv li, tungsten-rhenium thermocouples lav tias qhov ntsuas kub ntawm qhov ntsuas kub yog qhov tseeb thiab ruaj khov, yog li txo qis qis thiab cov nqi kho.
Tsis tas li ntawd, cov tshuaj tiv thaiv sai sai ntawm tungsten-rhenium thermocouples muaj ntau. Lawv qhov ntsuas kub ceev ceev tuaj yeem tso cai rau kev saib xyuas lub sijhawm thiab kev hloov kho sai sai. Qhov no yog qhov tseem ceeb tshwj xeeb hauv kev siv xws li cov txheej txheem tshuaj lom neeg lossis cov cua sov thiab cua txias ntawm cov khoom lag luam uas muaj qhov hloov pauv kub ceev. Cov thermocouples lub sij hawm ceev cov tshuaj tiv thaiv no pab cov neeg ua haujlwm kom hnov ​​​​mob sai sai rau qhov kub thiab txias, yog li zam kev sib txawv ntawm cov txheej txheem thiab lav kev ua haujlwm kev nyab xeeb thiab kev ua haujlwm.
Tsis tas li ntawd, piv rau lwm cov thermocouples uas kub kub, xws li platinum-rhodium thermocouples, tungsten-rhenium thermocouples yog qhov tsim nyog. Txawm hais tias platinum-rhodium thermocouples muaj kev ua tau zoo, lawv cov nqi siab los ntawm cov hlau tseem ceeb siv ua rau lawv raug nqi. Hloov pauv, tungsten yog ib qho khoom muaj txiaj ntsig zoo; Thaum ua ke nrog rhenium, lub thermocouple nrog kev ua haujlwm zoo sib xws ntawm tus nqi txo qis. Rau kev siv qhov twg tus nqi yog qhov kev txiav txim siab loj, suav nrog kev lag luam loj lossis hauv kev tshawb fawb thiab kev tsim kho cov phiaj xwm nrog cov nyiaj txwv, tungsten-rhenium thermocouples yog li qhov kev xaiv txaus.
Tungsten-rhenium thermocouples ua, txawm li cas los xij, muaj qee qhov kev txwv. Lawv cov kev ua tau zoo thiab lub neej yuav raug kev txom nyem nyob ntawm lawv qhov rhiab heev rau oxidation nyob rau hauv lub xub ntiag ntawm oxygen. Lawv yog li no feem ntau yog siv nyob rau hauv inert los yog qis cua, los yog nyob rau hauv lub sij hawm yog ib tug tsim nyog tiv thaiv sheath los yog txheej shields lub thermocouple. Tsis tas li ntawd, muab qhov kub thiab txias ib puag ncig, calibration ntawm tungsten-rhenium thermocouples hu tshwj xeeb los xyuas kom ntseeg tau qhov kev tshawb pom zoo vim tias lawv cov kev ntsuas ntsuas yuav txawv raws sijhawm.
Thaum kawg, ntau daim ntawv thov ntsuas kub xaiv tungsten-rhenium thermocouples vim lawv qhov sib xyaw ua ke ntawm cov peev txheej kub, qhov tseeb, kev ruaj ntseg, lub sij hawm tawm tsam sai, thiab kev lag luam. Thaum siv nyob rau hauv ib puag ncig tsim nyog thiab nrog kev ntsuas kom txaus thiab kev saib xyuas, txawm tias lawv muaj kev txwv, lawv tuaj yeem muab cov ntaub ntawv ntsuas kub zoo thiab txhim khu kev qha, yog li txhawb kev ua tiav ntawm ntau yam kev lag luam, kev tshawb fawb, thiab kev tshawb fawb.