2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28
iav yog ib qho ntawm cov khoom qub tshaj plaws thiab ntau yam. Cov khoom iav muaj nyob ib puag ncig peb, tab sis feem ntau peb tsis xav ntau dhau ntawm nws cov yam ntxwv. Lawv tuaj yeem sib txawv heev nyob ntawm lub hom phiaj ntawm kev siv cov khoom lag luam yav tom ntej. Ib qho ntawm ntau hom yog cov iav kub-resistant. Cia peb kawm seb nws txawv ntawm qhov ib txwm muaj thiab qhov twg nws siv.
iav-resistant iav
iav yog ib yam khoom tsis muaj zog. Nws yog tus cwj pwm los ntawm cov khoom ntawm lub cev khoom; nyob rau hauv lub xeev molten, nws yog ib tug superviscous kua. Nws brittleness, lub zog, ntom thiab kub muaj peev xwm sib txawv heev thiab nyob ntawm impurities.
Tsis ntev los no, cov ntaub ntawv tau tsim muaj cov khoom uas tsis yog iav, xws li hluav taws kub. Lub ntsiab parameter uas txawv qhov kub-resistant iav los ntawm lwm cov iav yog qhov kub thiab txias uas nws khaws nws cov khoom. Nws tiv taus cua sov txawm tias ntawm 1000degrees Celsius, thaum nws "cov npoj yaig" tawg ntawm 80 degrees.
Refractoriness cuam tshuam los ntawm cov khoom muaj pes tsawg leeg thiab tuab ntawm cov khoom. Yog hais tias lub iav yog tuab thiab muaj ib tug loj feem ntawm alkaline oxides, ces nws yuav muaj zog. Cov iav uas tiv taus cua sov tshaj plaws yog quartz. Nws tiv taus qhov kub thiab txias sib txawv thiab muaj qhov kub kub (2230 degrees).
Kev tsim cov iav kub-resistant
Raws li txoj cai, iav yog qhov sib xyaw ntawm ntau yam khoom. Rau cov khoom txheem, quartz xuab zeb, txiv qaub thiab dej qab zib raug coj mus. Lawv tau rhuab mus rau qhov kub siab heev (los ntawm 1700 degrees), uas yog vim li cas lawv yaj thiab sib tov sib xyaw. Tom qab ntawd, qhov sib tov yog nchuav rau hauv molten tin (lawv tsis sib tov vim qhov sib txawv ntawm qhov ntom), thiab maj mam txias.
Txhawm rau muab cov khoom tsim nyog, lwm yam tshuaj ntxiv rau cov khoom no. Ua kom sov-resistant iav, ntau oxides yog siv. Yog li, cov khoom siv borosilicate muaj boron oxide, quartz - silicon oxide.
Lub zog ntxiv nws yuav muaj yog tias koj siv ob peb txheej. Rau qhov no, nws raug tso cai kom txias tag nrho. Cov nplooj ntawv tiav yog hauv av, ntxuav thiab txiav mus rau qhov loj me. Tom qab ntawd ob peb daim iav yog glued ua ke nrog ib tug tshwj xeeb polymer. Qhov kawg kov yog tua lub khob "sandwich" ntawm 660-680 degrees.
Daim ntawv thov
iav-resistant iav yog nrov hauv chav ua noj. Qhov cub thiab tais diav yog tsim los ntawm nws. cov khoom sivntawm cov khoom no kuj yog qhov cub. Quartz iav yog siv rau hauv kev tsim cov fibers optical, Fresnel lo ntsiab muag, crucibles, insulators, thiab lwm yam. Borosilicate iav yog siv rau optical tsom iav, iav, tsom iav tsom iav.
Muaj ntau qhov zoo rau cov iav uas tiv thaiv hluav taws. Nws withstands txawm qhib hluav taws, yog ruaj. Cov khoom yog heev inert thiab tsis oxidize thaum rhuab, yog li nws tsis hloov lub saj ntawm lub tais. Nws tsis corrode lossis scale.
Tau kawg, txawm tias cov iav kub-resistant muaj qhov tsis zoo. Nws tsis teb zoo rau qhov nce siab lossis txo qis hauv qhov kub thiab txias. Cov tais diav ua los ntawm cov khoom zoo li no yuav tsum tsis txhob muab tso rau ntawm qhov kub kub tam sim tom qab lub freezer. Tsis tas li ntawd, iav-resistant iav tsis shockproof thiab yuav tsum tsis txhob poob.
Pom zoo:
Ua haujlwm ntawm Magnit Cosmetic: kev tshuaj xyuas cov neeg ua haujlwm, kev ua haujlwm, lub luag haujlwm thiab cov yam ntxwv ntawm kev ua haujlwm
Kev cia siab ntawm kev loj hlob ntawm kev ua haujlwm yog ib qho kev ntxias ntawm cov tswv ntiav ua haujlwm. Raws li cov lus tawm tswv yim los ntawm cov neeg ua haujlwm txog kev ua haujlwm ntawm Magnit Cosmetic, ntawm no koj tuaj yeem ncav cuag qee qhov siab hauv ob peb xyoos, pib ua tus pab muag thiab dhau los ua tus thawj coj ntawm ib lub khw muag khoom. Puas muaj tseeb los tsis yog? Cia peb sim nrhiav cov lus teb rau qhov no thiab ntau lwm cov lus nug
Hom kev ncig xyuas thiab lawv cov yam ntxwv. Kev ua haujlwm thiab cov yam ntxwv ntawm cov haujlwm ntawm cov neeg ncig xyuas ncig xyuas
Tus neeg ncig xyuas muab ntau yam kev pabcuam mus ncig thiab ua kom yooj yim rau kev tshwj tseg cov kev pabcuam hauv lwm lub nroog thiab lub tebchaws, ua haujlwm rau cov haujlwm no. Nyob rau hauv lub tshav pob ntawm tourism kev pab cuam, nws occupies ib tug tshwj xeeb niche. Hauv tsab xov xwm peb yuav txiav txim siab txog hom kev ua ub no ntawm cov neeg ncig xyuas
Hluav taws xob locomotive 2ES6: keeb kwm ntawm kev tsim, kev piav qhia nrog cov duab, cov yam ntxwv tseem ceeb, lub hauv paus ntsiab lus ntawm kev ua haujlwm, cov yam ntxwv ntawm kev ua haujlwm thiab kho
Hnub no, kev sib txuas lus ntawm cov nroog sib txawv, kev thauj neeg caij tsheb, kev xa khoom yog nqa tawm ntau txoj hauv kev. Ib txoj hauv kev no yog txoj kev tsheb ciav hlau. Hluav taws xob locomotive 2ES6 yog ib yam ntawm cov kev thauj mus los uas tam sim no nquag siv
Cov cua kub siab qis: txhais, lub hauv paus ntawm kev ua haujlwm, cov yam ntxwv ntawm kev ua haujlwm, kev faib tawm, tsim, kev ua haujlwm nta, daim ntawv thov hauv kev lag luam
Cov cua kub siab qis (LPH) tam sim no siv heev. Muaj ob hom tseem ceeb uas yog tsim los ntawm cov nroj tsuag sib txawv. Lawm, lawv kuj txawv ntawm lawv cov kev ua tau zoo
Yam koj yuav tsum tau ua haujlwm hauv tsheb tavxij: cov ntaub ntawv tsim nyog thiab cov cai, cov cai thiab kev cai lij choj. Cov lus teb thiab cov lus qhia los ntawm cov neeg tsav tsheb tavxij, cov neeg siv khoom thiab cov neeg xa khoom
Raws li ntau tus neeg caij tsheb, txoj haujlwm ntawm tus tsav tsheb tavxij yog qhov yooj yim tshaj plaws. Koj zaum, mloog suab paj nruag zoo nkauj thiab tsav tsheb rov qab los. Thiab lawv muab nyiaj rau koj. Tab sis qhov no tsuas yog sab nraud ntawm lub npib. Qhov rov qab yog ntau dua rosy. Peb yuav tham txog nws hauv kab lus no. Thiab peb tseem yuav qhia txog yam koj xav tau ua haujlwm hauv tsheb tavxij
