Daim ntawv thov ntau yam ntawm stainless hlau sintered xav
Stainless hlau sintered xav yuav siv tau rau catalyst rov qab. Lub lim ua los ntawm sintered xav yog me me, ntev hauv kev pab cuam lub neej thiab tsis tshua muaj siab sib txawv, yog li nws yog dav siv nyob rau hauv ntau yam petrochemical ua teb thiab muaj nuj nqis tseem ceeb nyob rau hauv pov tseg pickling kua. Cov catalyst muaj cov nyhuv recycling.
Stainless hlau sintered xav kuj tseem siv tau rau kev pom ntawm cov tshuab hydraulic: sintered muaj peev xwm siv tau rau txhua qhov siab, qis thiab nruab nrab siab lim, yog li nws yog dav siv nyob rau hauv ntau yam aviation, marine, aerospace, tshuab cuab yeej, metallurgical, tshuaj thiab tshuaj. kev lag luam. Hauv Suav teb, feem ntau ntawm cov tshuab hydraulic ntawm pej xeem aircraft yog lim cov ntaub ntawv ua los ntawm sintered xav.
Stainless hlau sintered felts kuj tseem siv tau rau kev pom nruj hauv kev lag luam semiconductor: nyob rau hauv kev lag luam semiconductor, ntau yam high-density processors thiab nco chips yog siv los ua cov pa ntxuav cua. Cov lim dej ua los ntawm cov lim dej muaj txiaj ntsig zoo dua thiab siv tau yooj yim dua.
Qhov sib piv zoo ntawm stainless hlau sintered mesh lim caij thiab stainless hlau sintered muaj lim caij
Ua ntej, koj yuav tsum kawm paub ntau ntxiv txog cov yam ntxwv ntawm ntau hom thiab cov qauv ntawm cov dej purifiers. Txhua hom dej purifier muaj nws qhov zoo thiab qhov tsis zoo, thiab cov lim dej sib txawv ua haujlwm sib txawv. Koj kuj yuav tsum paub cov dej zoo ntawm cov kais dej niaj hnub hauv lub nroog, thiab tom qab ntawd yuav nws raws li koj tus kheej cov pluas noj thiab kev noj haus. Qhov kev xaiv zoo tshaj plaws yog rau koj cov txuj ci.
Nyob rau theem no, muaj ntau hom kev lim dej hauv tsev hauv ntau hom npe nrov. Muaj ntau cov ntxaij lim dej, ib qho tseem ceeb ultrafilters, ultrafilters uas siv tau yam tsis muaj hluav taws xob, thiab cov khoom siv rov qab osmosis cov lim dej uas yuav tsum tau siv cov propulsion kom zoo. Kuj tseem muaj ntau yam kev lag luam xa tawm nrog kev lag luam ultrapure dej xa tawm. Muaj dej huv export kev lag luam thiab lwm yam. Cov dej ntshiab tuaj yeem haus dej ncaj qha, tab sis tsis muaj cov as-ham, tsuas yog ntxiv cov ntsiab lus dej ntxiv. Kev ua kom huv ntawm cov dej yuav tsum tau boil tom qab haus, tshwj xeeb tshaj yog rau kev ua noj thiab ntxuav cov zaub mov hauv chav ua noj. Tsis tas li ntawd, qhov yuav tsum tau siv hluav taws xob siv rov qab osmosis dej purifiers tseem yuav tsim cov dej khib nyiab, tshwj xeeb tshaj yog nyob rau lub caij ntuj no, cov dej khib nyiab yog siab li 70 feem pua, thiab rov qab osmosis dej purifiers lim tawm cov teeb meem thiab cov txiaj ntsig zoo hauv dej.
Kev pabcuam lub neej ntawm ntau lub lim dej kuj txawv heev. Piv txwv li, lub neej kev pab cuam ntawm PP paj rwb lim caij tsuas yog 3 Tsawg dua los yog sib npaug rau 6 lub hlis, lub neej kev pab cuam ntawm activated carbon lim caij yog 6 Tsawg tshaj los yog sib npaug rau 12 lub hlis, thiab lub neej kev pab cuam ntawm ultrafiltration los yog rov qab osmosis lim. lub ntsiab lus feem ntau yog 24 lub hlis. hli los yog li ntawd. Yog tias hloov cov ntxaij lim dej ntawm lub sijhawm yog qhov nyuaj heev, tsis tas yuav yuav lub tshuab lim dej ntev ntev uas tsis tas yuav hloov ntau zaus, thiab yog tias cov dej hauv zos zoo, tsis tas yuav yuav cov dej. purifier. Yog tias cov dej hauv zos tsis zoo dhau lawm thiab cov dej haus tsis zoo yog qhov teeb meem, koj tuaj yeem xav txog kev yuav khoom rov qab osmosis dej purifier, los yog lub tshuab dej ntshiab. Tam sim no cov chaw tsim khoom kuj tau qhia txog qee qhov dej qhov hluav taws xob dej purifiers, uas muaj cov dej ntshiab huv, uas tuaj yeem haus dej ncaj qha, thiab lub qhov hluav taws xob huv, uas yog tsim rau cov dej kub npau npau rau kev ua noj.
Tsis tas li yuav ib lub lim dej ua ntej rau nruab lub tshuab lim dej kom ntev lub neej ntawm cov lim dej lim dej. Haum 3M, yuav los ntawm qhov loj me. Nws kim dua, tab sis qhov zoo nyob ntawd.
Kev ua haujlwm ntawm kev ntxiv sintering tus neeg sawv cev hauv kev tsim cov sintered muaj polyester yaj lim caij
1. Txhim kho cov pelletizing thiab granulation, txhim kho cov huab cua permeability ntawm cov khoom txheej, ua kom cov ntsug sintering ceev thiab cov khoom siv ntawm lub tshuab sintering.
2. Txhim kho cov reactivity thiab combustion efficiency ntawm sintered roj, thiab txo cov kev siv ntawm FeO thiab cov roj khoom.
3. Txhim kho qhov oxidizing huab cua ntawm thaj chaw combustion thiab txhawb qhov qis kub sintering ntawm cov khoom tuab txheej.
4. Ua kom cov ntsiab lus ntawm calcium ferrite nyob rau hauv lub binder theem, txhim kho cov metallurgical zog ntawm lub sinter, thiab txhawb kev nce ntawm hlau thiab coke nyob rau hauv lub moj tej tawg cub tawg.
5. Txo cov nqi ntawm SO2 tsim nyob rau hauv sintering khib nyiab roj thiab txo cov pa phem ib puag ncig.
Kev cuam tshuam ntawm sintering kub ntawm fiber ntau sintered xav
Cov txheej txheem sintering yog cov txheej txheem tseem ceeb uas cuam tshuam rau microstructure ntawm cov hlau fiber ntau sintered xav, thiab sintering kub yog qhov tseem ceeb tshaj plaws ntawm cov hlau fiber ntau sintered muaj txheej txheem. Daim ntawv no siv 6 μm fiber ntau ua piv txwv rau kev tshuaj xyuas. Lub 6 μm fiber ntau lev muaj qhov pom tseeb sintering caj dab ntawm peb qhov kub no, tab sis cov fiber ntau sintered lev nthuav tawm peb qhov sib txawv ntawm peb qhov kub. a yog lub caj dab sintering tsim los ntawm 6 μm fibers tom qab sintering ntawm 1 200 degree, lub Upper thiab qis ntsug fibers tsim ib lub caj dab sintering ntawm lub tangent, thiab txoj kab uas hla ntawm sintered xav yog loj dua lub fiber inch, tab sis lub ob fibers tsis nyiam fuse; Thaum sintered Thaum qhov kub thiab txias yog 1 250 degree, txoj kab uas hla ntawm sintered xav ntawm ob ntsug fibers yog loj dua li ntawm 1 200 degree, thiab cov fibers nyob ze ntawm lub sintered xav zoo li fuse, uas qhia tau hais tias. tus tshiab grain ciam tsim nyob rau hauv lub sintered xav diffuses los ntawm grain ciam nyob rau tib lub sij hawm. Ob lub fibers raug thawb nce thiab nqis, thiab txoj kab uas hla ntawm cov fibers nyob ze ntawm sintered xav shrinks. Qhov no tej zaum yuav yog vim hais tias nrog rau qhov nce ntawm qhov kub ntawm sintering, cov hlau atoms diffuse mus rau sintered xav raws li qhov ntev ntawm cov fiber, uas ua rau lub shrinkage ntawm lub fiber txoj kab uas hla, thaum 1 200 Fiber sintered xav ntawm degree tsis. muaj qhov tshwm sim no; Thaum lub sintering kub yog 1 300 degree, cov fibers nyob ze ntawm lub sintered xav tau pom tseeb fusion, uas yog vim hais tias lub sintering kub tseem nce, lub grain ciam diffusion yog ceev, thiab cov khoom nyob rau hauv lub fibers nyob ze ntawm lub sintered muaj diffuse. . Lub sijhawm no, cov fibers ntawm sintered xav kuj poob qis, thiab 6 μm fiber ntau tsis yaj ntawm 1 300 degree .
Kev sib txuas ntawm lub puab tsaig pob qij txha ntawm cov fibers sintered xav yog nqa tawm los ntawm diffusion. Nyob rau theem pib ntawm sintering, cov ntsiab lus sib tshooj ntawm cov fibers hauv kev sib cuag nrog ib leeg maj mam tsim kev sib txuas ntawm sintered xav. Lub sijhawm no, cov ntsiab lus sib tshooj tsis tu ncua thiab muaj ntau qhov pores. Lub ntsiab mechanism ntawm diffusion yog nto diffusion; Grain ciam teb yog maj mam tsim nyob rau hauv lub sintered xav, thiab lub ntsiab diffusion mechanism ntawm lub sij hawm no yog grain ciam diffusion; Nyob rau hauv lub tom ntej no theem ntawm sintering, cov nplej nyob ze ntawm lub sintered xav pib loj hlob, thiab bulk diffusion ntawm grain loj hlob yog lub ntsiab mechanism nyob rau lub sij hawm no. Lub ntsiab lus ntawm diffusion yog thermal txav ntawm atoms, thiab qhov kub thiab txias cuam tshuam rau tus nqi ntawm atomic diffusion. Rau saum npoo diffusion, sintered xav tau tsuas yog tsim tau thaum lub sintering kub yog txaus rau lub thermal zog ntawm atoms ntawm lub fiber nto kom kov yeej lub zog nto barrier, yog li fiber sintered xav. yuav tsum tshaj qhov kub thiab txias. Ib yam li ntawd, qhov kub ntawm sintering cuam tshuam rau qhov diffusion ceev ntawm fiber ntau atomic grain ciam teb. Qhov siab dua qhov kub ntawm sintering, qhov ceev ntawm cov nplej ciam diffusion ceev thiab ceev cov fiber ntau sintering; tab sis kub sintering ntau dhau yuav ua rau cov fiber ntau muaj cov nplej loj dhau lawm thiab shrinkage ntawm cov hlau txoj kab uas hla. Thiab tsis xws luag xws li over-melting, uas yuav tsum tau zam nyob rau hauv cov txheej txheem fiber ntau sintered.
Kev cuam tshuam ntawm fiber ntau txoj kab uas hla ntawm fiber ntau sintered xav
Thaum lub sintering kub yog tas li, lub fiber txoj kab uas hla muaj ib tug zoo ntxim rau lub morphology ntawm lub fiber ntau ncej puab. Daim ntawv no siv 1 250 degree ua piv txwv los txheeb xyuas. Nws tuaj yeem pom los ntawm kev txheeb xyuas saum toj no tias ntawm 1 250 degree, 4 μm fibers yog tag nrho fused ua ke ntawm lub caj dab sintering, 6 μm fibers yog ib feem fused ntawm lub caj dab sintering, thiab 8 μm fibers tsis fused. ntawm lub caj dab sintering thiab txoj kab uas hla ntawm lub caj dab sintering yog loj dua li ntawm fiber ntau txoj kab uas hla. , 12 μm fiber ntau sintering caj dab txoj kab uas hla yog me dua lub fiber ntau txoj kab uas hla, 22 μm fiber mat sintering caj dab txoj kab uas hla yog me dua, thiab nws tsis yog yooj yim mus nrhiav tau lub sintering caj dab nyob rau hauv electron microscope nrhiav tau, tsuas yog nyob rau hauv ib co tshwj xeeb txoj hauj lwm ntawm lub fiber. Tsis tas li ntawd, nyob rau hauv tib yam kev mob, lub finer lub fiber txoj kab uas hla, lub sintering ceev ceev.
Kev cuam tshuam ntawm txoj kab uas hla ntawm cov fiber ntau sintered xav tau tsuas yog muaj ob yam nram qab no: 1) Qhov me me ntawm fiber ntau txoj kab uas hla, qhov loj ntawm qhov chaw ntawm cov fiber ntau, qhov qis zog ntawm lub zog thaiv ntawm cov atoms ntawm fiber ntau, Thiab qhov txo qis ntawm atomic diffusion nrug, nyob rau hauv tib yam kev mob Qhov qis filament txoj kab uas hla fiber ntau siv lead ua nyob rau hauv qhov chaw diffusion thiab ua tiav 3 txheej txheem ntawm sintering, thaum lub sintering ceev ntawm coarse txoj kab uas hla fiber ntau yog qeeb dua, thiab txawm lub nto diffusion ntawm. qhov sib txuas ntawm fiber ntau tsis tau ua tiav; 2) Vim yog cov txheej txheem tsim tshwj xeeb ntawm cov hlau fibers, zoo Cov hlau fiber ntau nrog cov hlau inch khw muag khoom ntau lub zog deformation. Thaum lub sintering nkag mus rau hauv nruab nrab thiab lig theem, grain ciam diffusion thiab bulk diffusion mas tshwm sim. Nyob rau lub sijhawm no, lub zog deformation yuav ua raws li lub zog tsav tsheb rau sintering txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau, cov txheej txheem, cov txheej txheem, cov txheej txheem, nws yuav tsum tau txiav txim siab, nws yuav tsum tau txiav txim siab los ntawm cov txheej txheem ntawm cov txheej txheem ntawm cov txheej txheem deformation. Cov hlau txoj kab uas hla yog Rau 4 thiab 6 μm fiber ntau mats, cov fibers pib ntsws nyob ze ntawm lub caj dab sintering vim atomic diffusion raws txoj kev ntev.
Hlau fiber ntau sintered xav yog siv los ua cov khoom siv lim. Ua ntej sintering, nws cov fibers yog randomly teem thiab nyob rau hauv kev sib cuag nrog ib leeg. Lub sijhawm no, cov fibers sintered tsis yog tag nrho, thiab qee qhov pore qauv tsis tuaj yeem khaws cia ntawm cov fibers; Tom qab sintering, cov fiber ntau sintered muaj lub zog thiab cov qauv. Diffusion vuam ntawm fiber ntau ceg pob qij txha muaj kev cuam tshuam zoo rau cov khoom ntawm fiber ntau sintered mats. Yog tias cov fibers ntau dhau-melted, qhov nruab nrab qhov pore loj ntawm fiber mats yuav raug cuam tshuam, thiab txawm tias cov ntsiab lus to yuav tshwm sim. Lub xeev ntawm sintered fiber ntau yuav cuam tshuam qhov toughness thiab lub zog ntawm sintered fiber ntau, thiab cov nplej loj ntawm sintered fiber ntau yuav cuam tshuam rau corrosion kuj ntawm sintered fiber ntau.
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