Ntchito iliyonse yomwe imagwiritsa ntchito njira yosonkhanitsira fumbi la nyumba ya zikwama iyenera kuganizira ubwino ndi kuipa kwa njira zambiri zosefera fumbi la nyumba ya zikwama zomwe zilipo pamsika masiku ano. Mtundu wa thumba la zosefera lomwe mungafunike kuti mugwiritse ntchito bwino kwambiri lidzadalira kapangidwe ka thumba la zikwama, mtundu wa fumbi lomwe likugwiritsidwa ntchito, komanso momwe zida zanu zimagwirira ntchito.
Wofewamatumba osefera, yopangidwa ndi ulusi wa polyester ndi aramid, ndi zina mwa zosefera nsalu zomwe zimagwiritsidwa ntchito kwambiri m'nyumba zamakono zamatumba masiku ano. Komabe, zosefera zimatha kupangidwa kuchokera ku mitundu ina yambiri ya ulusi ndi mitundu yosiyanasiyana ya zomalizira zomwe zimagwiritsidwa ntchito pa zoseferazi. Zomalizirazi zidapangidwa kuti zigwirizane ndi zosowa zapadera za nyumba zosiyanasiyana zamatumba kuti ziwongolere kutulutsa kwa keke yafumbi ndi/kapena kusonkhanitsa bwino kwa zosefera zomwe zasankhidwa. Nembanemba ya ePTFE ndi imodzi mwa zomalizira zomwe zimagwiritsidwa ntchito kwambiri masiku ano chifukwa cha kuthekera kwake kokweza kutulutsa kwa keke ya fumbi lomata komanso kuthekera kwake kosayerekezeka kosefa tinthu tating'onoting'ono kwambiri kuchokera mumlengalenga.
Zosefera ndi Zomaliza Zofewa
Zosefera za felt zimakhala ndi ulusi "wofelt" womwe umathandizidwa ndi nsalu yolukidwa yodziwika kuti scrim. Njira zoyeretsera zamagetsi, monga kuyeretsa kwa pulse-jet, zimafuna mawonekedwe a nsalu zolimba za felt. Matumba a felt amatha kupangidwa kuchokera kuzinthu zosiyanasiyana komanso ulusi wapadera, kuphatikiza polyester, polypropylene, acrylic, fiberglass, . Mtundu uliwonse wa ulusi uli ndi zabwino zake komanso zoyipa zake pa malo ena ogwirira ntchito ndipo umapereka milingo yosiyanasiyana yogwirizana ndi mankhwala osiyanasiyana.
Polyester felt ndi mtundu wa zinthu zotsika mtengo komanso zomwe zimagwiritsidwa ntchito kwambiri m'matumba okhala ndi pulse-jet. Zosefera za polyester zimapereka kukana bwino mankhwala, kukwawa, komanso kuwonongeka kwa kutentha kouma. Komabe, polyester si chisankho chabwino pakugwiritsa ntchito kutentha konyowa chifukwa imawonongeka ndi hydrolytic nthawi zina. Polyester imapereka kukana bwino kwa mchere ndi ma organic acid ambiri, alkalis ofooka, zinthu zambiri zosungunuka ndi zinthu zambiri zosungunuka zachilengedwe. Ntchito zambiri zimayambira pa zomera za simenti mpaka uvuni wamagetsi. Kutentha kwake kokhazikika kosalekeza ndi 275°F.
Opanga matumba opangidwa ndi felt amagwiritsa ntchito njira zosiyanasiyana zoyeretsera pamwamba kuti akonze mphamvu zawo zotulutsira fumbi. Izi zikuphatikizapo kuwotcha (kuyika ulusi pamwamba pa moto wotseguka womwe umasungunula malekezero a ulusi wotayirira omwe tinthu ta fumbi tingamamatire), kuphimba (kuyendetsa felt kudzera m'ma roll awiri otenthedwa kuti asungunule malekezero a ulusi wotayirira ndikusalala pamwamba), ndikuwonjezera kumaliza kopanda madzi ndi mafuta kopangidwa ndi ePTFE (komwe ndi kotsika mtengo komanso kolimba kuposa nembanemba ya ePTFE), komanso zina zambiri. Kuti mudziwe zambiri za mitundu yosiyanasiyana ya matumba otayirira, onani Matumba Osefera a Dry Dust Collector.
Matumba Osefera a ePTFE Membrane
Pa ntchito zovuta kwambiri, kugwira ntchito bwino komanso kutulutsa keke ya thumba losefera kumatha kukulitsidwa kwambiri pomangirira nembanemba yopyapyala ya ePTFE ku fumbi la thumba losefera. Chifukwa chakuti imapereka mphamvu zambiri zosefera komanso kuthekera kotulutsa keke, matumba osefera a ePTFE monga Jinyou amapereka ukadaulo wabwino kwambiri pankhani ya kugwira ntchito bwino komanso moyo wa fyuluta. Vuto lake ndilakuti nembanemba ndi yofooka kwambiri ndipo iyenera kusamalidwa pokonza ndikuyika thumba la fyuluta lamtunduwu. Mtengo wa matumba osefera amtunduwu watsika kwambiri m'zaka zaposachedwa; pamene matumba a ePTFE membrane akuyamba kutchuka, izi ziyenera kupitilira. Nembanemba ya ePTFE ikhoza kuwonjezeredwa ku mitundu yambiri ya nsalu zosefera.
Kuphatikiza apo, zosefera za ePTFE membrane zili ndi ubwino wosiyana ndi zosefera zopanda nembanemba chifukwa cha kusiyana kwa momwe zimasefera tinthu tating'onoting'ono. Matumba oyeretsera a membrane omwe si a ePTFE membrane amagwiritsa ntchito kusefera kwakuya, komwe kumachitika pamene keke ya fumbi imapangika kunja kwa sefa, ndipo tinthu ta fumbi timasonkhanitsidwa mu kuya kwa sefa. Tinthu tating'onoting'ono tomwe timalowa timagwidwa pamene tikuyenda mu keke ya fumbi ndi kuya kwa sefa. Pakapita nthawi, tinthu tambiri timagwidwa mkati mwa sefa, zomwe zimapangitsa kuti kuthamanga kwa mpweya kuchepe kwambiri ndipo pamapeto pake "kutseka" fyuluta, zomwe zimachepetsa moyo wa fyuluta. Mosiyana ndi zimenezi, zosefera za ePTFE membrane zimagwiritsa ntchito kusefera pamwamba kuti zichotse tinthu tating'onoting'ono tomwe timalowa. Nembanemba ya ePTFE imagwira ntchito ngati keke yayikulu yosefera, kusonkhanitsa tinthu tating'onoting'ono tomwe tili pamwamba chifukwa nembanembayo ili ndi ma pores ang'onoang'ono kwambiri, omwe amalola mpweya ndi tinthu tating'onoting'ono tokha kudutsa. Izi zimaletsa tinthu ta fumbi kulowa mu nsalu yosefera, zomwe zingayambitse kuchepa kwa mpweya ndi kutseka kwa fyuluta. Kusowa kwa keke ya fumbi pa fyuluta ndi fumbi loikidwa mkati mwa fyuluta kumathandizanso kuti chosonkhanitsira fumbi chizigwira ntchito pa mphamvu yochepa pakapita nthawi. Kuyeretsa kwa pulse kumakhala kothandiza kwambiri, zomwe zimapangitsa kuti ndalama zogwirira ntchito zichepe ngati njira yoyeretsera ikagwiritsidwa ntchito nthawi iliyonse ikafunika.
Zinthu Zovuta Kwambiri Zofuna ePTFE Felt
Chikwama chosefera chopangidwa ndi ulusi wa ePTFE komanso chokhala ndi nembanemba ya ePTFE (mwanjira ina, PTFE pa PTFE) chimapereka chitetezo champhamvu kwambiri cha mpweya woipa komanso kutulutsa makeke. Chikagwiritsidwa ntchito ngati ulusi waukulu wa thumba chosefera, ePTFE imapereka kutentha kwabwinobwino kosalekeza kwa 500°F. Matumba awa nthawi zambiri amagwiritsidwa ntchito m'malo ovuta kwambiri a mankhwala pa kutentha kwambiri. Ntchito zambiri zimaphatikizapo magetsi opangira malasha, kupanga simenti, ma foundation filtries, ma boiler, zomera zakuda za kaboni, makina ochotsera nthaka ndi zotenthetsera. Kuphatikiza apo, mphamvu zochepa za ulusi wa ePTFE zimapereka kutulutsa bwino makeke. Komabe, PTFE pa PTFE ndi yotsika mtengo kwambiri ndipo nthawi zambiri imagwiritsidwa ntchito pokhapokha njira zina zonse zitalephera.
Nanga Bwanji Fumbi Losakhazikika?
N'zotheka kuchita bwino kwambiri popanda nembanemba ya ePTFE, yomwe ndi yofunika chifukwa cha kufooka kwa nembanembayo. Chinthu chatsopano chomwe chikuchitika mu matumba ojambulira odulidwa ndi kupanga ma filters odulidwa opangidwa ndi "microfibers" zabwino kwambiri. Chifukwa malo a ulusi ndi magwiridwe antchito olekanitsa zinthu zimagwirizana mwachindunji, ma filters opangidwa bwino kwambiri amatha kupereka mphamvu yogwira ntchito mpaka nthawi 10 kuposa ma filters wamba mu ntchito zosefera. Jinyou, yomwe imapereka felt yokwanira bwino, imagwiritsa ntchito kuphatikiza komwe kumaphatikizapo ulusi wambiri wa micro-denier (<1.0 denier), womwe umawonjezera kwambiri malo a pamwamba ndikuchepetsa kukula kwa ma pore kuti pakhale mphamvu yogawanitsa zinthu popanda kulemera kowonjezera. Ma filters otsika mtengo awa safuna kuyika kwapadera.
Ma Jinyou felts amapereka zabwino zosiyanasiyana kuposa ma felts azinthu, kuphatikizapo kusefa bwino kwambiri, kuchuluka kwa mpweya woipa kwambiri, komanso nthawi yayitali yogwiritsira ntchito thumba chifukwa cha kuchepa kwa nthawi yoyeretsera. Chifukwa magwiridwe antchito a ma Jinyou felts amachokera ku kapangidwe ka felt yonse, kuphatikiza kusakaniza kwa ulusi wa micro-denier ndi scrim yolemera, ali ndi zabwino zambiri kuposa ma ePTFE membrane laminated felts omwe amadalira lamination yofooka ya micro-thin. Ubwino uwu umaphatikizapo kugwira ntchito bwino popanda nembanemba yofooka, mphamvu yayikulu komanso kulimba, komanso kuthekera kogwira fumbi lamafuta, mafuta, lonyowa kapena losakhazikika, komanso mankhwala a mowa. Mosiyana ndi zimenezi, ePTFE sigwira ntchito bwino ndi ma hydrocarbons amadzimadzi (fumbi lamafuta kapena lamafuta).
Ndi Chikwama Chiti Choyenera Kugula Chikwama Chanu?
Kuti mudziwe mtundu wa thumba womwe ukugwirizana kwambiri ndi momwe mumagwirira ntchito, ndi bwino kugawana zambiri momwe mungathere ndi omwe akukupatsani thumba. Njira iliyonse yopangira imapereka mikhalidwe yosiyana yomwe iyenera kuyesedwa mosamala musanasankhe mtundu woyenera kwambiri wa fyuluta:
1. Mtundu wa fumbi:Kapangidwe ndi kukula kwa fumbi kudzatsimikizira kuti ndi fyuluta iti yomwe ingagwire fumbi bwino. Tinthu tating'onoting'ono (monga timene tili mu simenti) timakhala ndi mphamvu zambiri zokwawa. Fumbi la process limakhala ndi tinthu ta kukula kosiyanasiyana, kuyambira tomwe timaoneka ndi maso mpaka tinthu tating'onoting'ono. Chimodzi mwazabwino zazikulu za zosefera za ePTFE ndichakuti zimagwira bwino ntchito zosefera tinthu tating'onoting'ono, zomwe zingakhale zofunikira kwambiri potsatira malamulo a OSHA ndi EPA. Kuphatikiza pa kukambirana za mtundu wa fumbi, kambiranani ndi wogulitsa fyuluta yanu za liwiro la mpweya wonyamula fumbi ndi fyuluta ndi kapangidwe ka ductwork m'malo mwanu. Zimenezi zingawathandize kukutsogolerani ku fyuluta yomwe ingapereke moyo wautali.
2. Kutentha ndi chinyezi:Fumbi losalowa m'madzi (lomwe limasunga chinyezi) limatha kukhala lomata kapena losakanikirana, zomwe zingachititse khungu makina osefera. Hydrolysis (kuwonongeka kwa mankhwala chifukwa cha madzi ndi kutentha) kungawononge zinthu zina zapansi, choncho ndikofunikira kupewa kusankha zinthuzi chifukwa zimatha kusokoneza luso la zosefera kuti zigwire bwino ntchito.
3. Kapangidwe ka mpweya:Mu ntchito zomwe zimakupatsani mpweya wowononga, monga ma acid kapena alkali, sankhani zinthu za substrate mosamala chifukwa zili ndi makhalidwe ndi mphamvu zosiyana kwambiri.
4. Zinthu zofunika kuziganizira pankhani ya chitetezo:Fumbi lina limatha kuwononga, kuwononga, kapena kuphulika. Kusankha zinthu zoyenera za substrate, monga substrate yokhala ndi mankhwala oletsa komanso zinthu zotsutsana ndi kutentha, kungathandize kuchepetsa zoopsazi.
5. Njira yoyeretsera zosefera:Ndikofunikira kuti wogulitsa amvetsetse momwe matumba amayeretsedwera komanso tsatanetsatane wa kapangidwe ka fyuluta kuti atsimikizire kuti zosefera sizikukhudzidwa ndi kupsinjika kapena kusweka kosafunikira, zomwe zingakhudze nthawi yogwira ntchito. Kapangidwe ka thumba la fyuluta, pankhani yolimbitsa ndi kukhazikitsa, komanso kapangidwe ka khola lothandizira ziyeneranso kuyesedwa posankha zinthu zoyenera kwambiri.
Nthawi yotumizira: Ogasiti-26-2025