Thaum Twg Koj Yuav Tsum Siv Lub Hnab Lim EPTFE Membrane?

Cov lim dej thiab cov khoom tiav

Cov lim dej felted muaj cov fibers "felted" uas tau txhawb nqa los ntawm cov khoom siv woven backing hu ua scrim. Cov txheej txheem ntxuav lub zog siab, xws li kev ntxuav pulse-jet, xav tau cov yam ntxwv ntawm cov ntaub felted muaj zog. Cov hnab felted tuaj yeem ua los ntawm ntau yam khoom lag luam thiab cov fibers tshwj xeeb, suav nrog polyester, polypropylene, acrylic, fiberglass,. Txhua hom fiber muaj nws cov txiaj ntsig thiab qhov tsis zoo rau cov chaw ua haujlwm tshwj xeeb thiab muaj ntau qib sib xws nrog ntau yam tshuaj lom neeg.

Cov ntaub polyester yog hom xov xwm uas pheej yig tshaj plaws thiab siv dav hauv cov hnab pulse-jet style. Cov lim dej polyester muaj kev tiv taus zoo heev rau cov tshuaj lom neeg, kev sib txhuam, thiab kev puas tsuaj ntawm qhov kub qhuav. Txawm li cas los xij, polyester tsis yog qhov kev xaiv zoo rau cov ntawv thov kub ntub vim tias nws raug kev puas tsuaj hydrolytic nyob rau hauv qee qhov xwm txheej. Polyester muaj kev tiv taus zoo rau feem ntau cov minerals thiab cov organic acids, cov alkalis tsis muaj zog, feem ntau cov neeg sawv cev oxidizing thiab feem ntau cov kuab tshuaj organic. Cov ntawv thov ib txwm muaj los ntawm cov nroj tsuag cement mus rau cov cub hluav taws xob. Nws qhov kub siab tshaj plaws tas mus li yog 275 ° F.

Cov neeg ua cov hnab lim dej siv ntau yam kev kho kom zoo nkauj los txhim kho lawv cov khoom tso tawm hmoov av. Cov no suav nrog kev singeing (kev ua rau cov fibers saum npoo av raug hluav taws qhib uas yaj cov fiber kawg uas cov hmoov av tuaj yeem lo rau), glazing (khiav lub felt los ntawm ob lub rollers cua sov kom yaj cov fiber kawg thiab ua kom du), thiab ntxiv cov dej thiab roj-repellent tiav ua los ntawm ePTFE (uas pheej yig dua thiab ruaj dua li ePTFE membrane), nrog rau ntau lwm yam. Yog xav paub ntxiv txog ntau yam kev xaiv hnab felted, saib Cov Hnab Lim Plua Plav Qhuav.

ePTFE Membrane Lim Hnab

Rau cov ntawv thov nyuaj tshaj plaws, qhov ua tau zoo thiab tso tawm ntawm lub hnab lim tuaj yeem txhim kho tau zoo heev los ntawm kev sib txuas ntawm daim nyias nyias ntawm ePTFE rau sab plua plav ntawm cov ntaub lim. Vim tias lawv muab kev lim dej zoo thiab muaj peev xwm tso tawm ntawm lub ncuav mog qab zib, cov hnab lim ePTFE membrane xws li Jinyou muab cov thev naus laus zis zoo tshaj plaws hauv kev ua haujlwm zoo thiab lub neej lim. Qhov tsis zoo yog tias daim nyias nyias tsis yooj yim puas tsuaj thiab yuav tsum tau ceev faj thaum tuav thiab txhim kho hom hnab lim no. Tus nqi ntawm cov hnab lim no tau poob qis heev hauv xyoo tas los no; raws li cov hnab ePTFE membrane tau nrov dua, qhov sib txawv no yuav tsum txuas ntxiv mus. Ib daim nyias nyias ePTFE tuaj yeem ntxiv rau feem ntau hom ntaub lim.

Ntxiv mus, cov lim dej ePTFE membrane muaj qhov zoo dua li cov lim dej uas tsis yog membrane vim muaj qhov sib txawv ntawm txoj kev uas lawv lim cov khoom me me. Cov hnab lim dej uas tsis yog ePTFE membrane lim cov khoom me me siv kev lim dej tob, uas tshwm sim thaum ib txheej ntawm cov hmoov av ua rau sab nraud ntawm lub lim dej, thiab kev sib sau ua ke ntawm cov hmoov av me me tau tso rau hauv qhov tob ntawm lub lim dej. Cov khoom me me nkag mus raug ntes thaum lawv ua haujlwm hla cov hmoov av thiab qhov tob ntawm lub lim dej. Raws li lub sijhawm dhau mus, ntau thiab ntau cov khoom me me raug ntes hauv lub lim dej, ua rau muaj kev poob siab ntau dua thiab thaum kawg lim "blinding," uas txo lub neej lim dej. Qhov sib piv, cov lim dej ePTFE membrane siv kev lim dej saum npoo av kom tshem tawm cov khoom me me nkag mus. Lub membrane ePTFE ua haujlwm ua lub ncuav mog lim dej tseem ceeb, sau tag nrho cov khoom me me ntawm qhov chaw vim tias lub membrane muaj cov qhov me me heev, uas tsuas yog tso cai rau huab cua thiab cov khoom me me tshaj plaws hla dhau. Qhov no tiv thaiv cov hmoov av kom tsis txhob nkag mus rau hauv cov ntaub lim dej, uas tuaj yeem ua rau muaj cua tsawg dua thiab lim blinding. Qhov tsis muaj hmoov av ua rau ntawm lub lim dej thiab cov hmoov av uas nyob hauv qhov tob ntawm lub lim dej kuj pab lub tshuab sau hmoov av khiav ntawm qhov siab sib txawv qis dua dhau sijhawm. Kev ntxuav nrog lub tshuab nias (pulse cleaning) ua haujlwm tau zoo dua thiab ua tau zoo dua, ua rau tus nqi khiav lag luam qis dua yog tias muaj lub tshuab ntxuav raws li qhov xav tau.

Cov Xwm Txheej Hnyav Tshaj Plaws Hu Rau ePTFE Felt

Ib lub hnab lim dej ua los ntawm ePTFE fibers thiab nrog ib daim nyias nyias ePTFE (hauv lwm lo lus, PTFE ntawm PTFE) muab kev tiv thaiv pa phem tshaj plaws thiab tso tawm cov khoom qab zib. Thaum siv ua lub fiber tseem ceeb rau lub hnab lim dej, ePTFE muab qhov kub ua haujlwm tas mus li ntawm 500 ° F. Cov hnab no feem ntau yog siv rau cov chaw muaj tshuaj lom neeg hnyav ntawm qhov kub siab. Cov ntawv thov feem ntau suav nrog cov chaw tsim hluav taws xob thee, kev tsim cov cement, cov chaw tsim hlau, boilers, cov nroj tsuag carbon dub, cov kab ke kho av thiab cov chaw hlawv hluav taws. Ntxiv mus, cov khoom sib txhuam qis ntawm ePTFE fibers muab cov khoom qab zib zoo heev. Txawm li cas los xij, PTFE ntawm PTFE tsis pheej yig thiab feem ntau tsuas yog siv tom qab tag nrho lwm cov kev xaiv tsis ua tiav.

Ua li cas txog cov hmoov av abrasive?

Nws muaj peev xwm ua tiav qhov ua tau zoo siab yam tsis muaj ePTFE membrane, uas yog qhov tseem ceeb vim yog qhov xwm txheej ntawm daim nyias nyias. Qhov kev tsim kho tshiab tshaj plaws hauv cov hnab lim felted yog kev tsim cov lim dej felted ua haujlwm siab uas tsim los ntawm cov "microfibers" zoo heev. Vim tias thaj chaw fiber thiab kev sib cais ua haujlwm ncaj qha muaj feem cuam tshuam, cov felts ua haujlwm siab no tuaj yeem muab txog li 10 npaug ntawm kev ua haujlwm ntawm cov felts ib txwm muaj hauv kev siv lim dej dav dav. Jinyou qhov kev muab khoom siv siab, Jinyou, siv cov khoom sib xyaw uas suav nrog feem pua ​​​​​​ntawm micro-denier (<1.0 denier) fibers, uas ua rau thaj chaw nto ntau ntxiv thiab txo qhov loj me rau kev sib cais ua haujlwm ntau dua yam tsis muaj qhov hnyav ntxiv. Cov lim dej pheej yig no tsis tas yuav tsum tau teeb tsa tshwj xeeb.

Cov ntaub pua plag Jinyou muaj ntau yam zoo dua li cov ntaub pua plag khoom lag luam, suav nrog kev ua haujlwm zoo dua, cov pa phem tsawg heev, thiab lub hnab ntev dua vim yog lub sijhawm ntxuav tsawg dua. Vim tias kev ua tau zoo ntawm Jinyou cov ntaub pua plag yog raws li kev tsim qauv tag nrho, suav nrog cov micro-denier fiber sib xyaw thiab cov ntaub pua plag hnyav, lawv muaj qhov zoo dua li ePTFE membrane laminated felts uas vam khom cov micro-thin lamination uas yooj yim puas tsuaj. Cov txiaj ntsig no suav nrog kev ua haujlwm siab yam tsis muaj daim nyias nyias yooj yim puas tsuaj, lub zog siab dua thiab kev ruaj khov, thiab lub peev xwm los tswj cov roj, rog, ntub lossis abrasive plua plav, nrog rau cov cawv sib xyaw. Qhov sib piv, ePTFE tsis ua haujlwm zoo nrog cov kua hydrocarbons (roj lossis roj plua plav).

Lub Hnab Twg Yog Qhov Zoo Rau Koj Lub Tsev Hnab?

1. Hom hmoov av:Cov duab thiab qhov loj ntawm cov hmoov av yuav txiav txim siab seb cov khoom siv lim twg tuaj yeem ntes cov hmoov av zoo tshaj plaws. Cov hmoov me me, lub kaum sab xis (xws li cov hauv cov cement) muaj peev xwm ua rau muaj kev sib txhuam ntau. Cov hmoov av txheej txheem yuav muaj cov hmoov av ntawm ntau qhov loj me, xws li cov uas pom tau rau lub qhov muag liab qab mus rau cov hmoov av sub-micron. Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov lim dej ePTFE membrane yog lawv qhov ua tau zoo hauv kev lim cov hmoov av sub-micron, uas tuaj yeem tseem ceeb rau kev ua raws li OSHA thiab EPA cov cai. Ntxiv nrog rau kev sib tham txog hom hmoov av, tham nrog koj tus neeg muag khoom lim txog qhov ceev ntawm cov cua uas thauj cov hmoov av thiab chav lim thiab cov qauv tsim ductwork hauv koj lub chaw. Qhov ntawd tuaj yeem pab lawv coj koj mus rau lub lim dej uas tuaj yeem muab lub neej ua haujlwm ntev dua.

2. Kub thiab av noo:Cov hmoov av uas nqus tau dej noo thiab khaws cia tau sai sai tuaj yeem ua rau nplaum lossis sib sau ua ke, ua rau lub lim dej tsis pom kev. Hydrolysis (kev rhuav tshem cov tshuaj lom neeg hauv kev ua rau dej thiab cua sov) tuaj yeem ua rau qee cov khoom siv hauv qab puas tsuaj, yog li nws tseem ceeb heev kom tsis txhob xaiv cov khoom siv no vim tias lawv tuaj yeem cuam tshuam sai sai rau lub peev xwm ntawm cov lim dej kom ua haujlwm tau zoo.

3. Kev tshuaj lom neeg roj:Hauv cov ntawv thov uas cov txheej txheem ua rau muaj huab cua corrosive, xws li los ntawm cov kua qaub lossis alkalis, xaiv cov khoom siv substrate nrog kev ceev faj vim lawv muaj cov yam ntxwv thiab peev xwm sib txawv heev.

4. Kev xav txog kev nyab xeeb:Qee cov hmoov av tuaj yeem ua rau xeb, lom, lossis tawg. Kev xaiv cov khoom siv substrate tsim nyog, xws li cov substrate uas tiv taus tshuaj lom neeg thiab tiv thaiv static, tuaj yeem pab txo cov kev pheej hmoo no.

5. Lub tshuab ntxuav lim:Nws yog ib qho tseem ceeb rau tus neeg muag khoom kom nkag siab txog yuav ua li cas ntxuav cov hnab thiab cov ntsiab lus ntawm qhov tsim ntawm lub tshuab lim kom ntseeg tau tias cov lim dej tsis raug kev ntxhov siab lossis kev puas tsuaj ntau dhau, uas yuav cuam tshuam rau lub neej ua haujlwm. Kev tsim lub hnab lim, hais txog kev txhawb nqa thiab kev teeb tsa, nrog rau kev teeb tsa lub tawb txhawb nqa kuj yuav tsum tau soj ntsuam thaum xaiv cov khoom siv substrate tsim nyog tshaj plaws.