Zida za porous zili paliponse, kuchokera ku fupa la thupi lanu kupita ku fyuluta mu wopanga khofi wanu.
Koma zingatheke bwanji kuti chinthu chodzadza ndi mabowo chikhale chofunika kwambiri chonchi? Yankho lagona mu kuvina kovuta pakati
zinthu zolimba palokha ndi maukonde aakulu a pores mkati mwake. Kulumikizana uku kumapanga zinthu zapadera
zomwe zasintha madera osiyanasiyana monga mankhwala, kusunga mphamvu, ngakhale kufufuza malo.
Tangoganizani za chinthu chodzaza ndi matumba ang'onoang'ono, machubu osawoneka, ndi zibowo zazing'ono. Izi si zolakwika
- Ndiwo mawonekedwe azinthu za porous, ndipo ali ndi kiyi ku chiwerengero chodabwitsa cha
kupita patsogolo m'mafakitale osiyanasiyana.
Kodi munayamba mwadzifunsapo momwe oyenda mumlengalenga amapumira mpweya wabwino pa International Space Station? Kapena asayansi
angapange zomangira zopepuka komanso zolimba? Yankho likhoza kukudabwitsani - zonsezi zikugwirizana ndi zodabwitsa
dziko la porous zipangizo. Mangani, ndipo tiyeni tifufuze za sayansi yochititsa chidwi yomwe ili kumbuyo kwa zodabwitsa izi!
Kodi Porous Materials Ndi Chiyani?
Pakatikati pawo, zida za porous zimangokhala zida zodzaza ndi pores - tinthu tating'onoting'ono kapena zopanda mkati mwa kapangidwe kake.
Mabowowa amatha kusiyanasiyana kukula kwake, kuyambira ma nanometers ang'onoang'ono (mabiliyoni a mita) mpaka akulu.
millimeter kukula kwake (mamilimita masauzande). Kukula, mawonekedwe, ndi momwe ma poreswa amalumikizirana onse amasewera a
Udindo wofunikira pakuzindikira zakuthupi.
Pali mitundu iwiri ikuluikulu ya porosity yoyenera kuganizira:
*Open-cell porosity:
Tangoganizani chinkhupule. Kumeneko ndiko kutseguka kwa ma cell porosity.Pores amalumikizana, kulola madzi
kuyenda mosavuta mwa iwo. Zosefera khofi,thovu, ndi mitundu ina ya fupa ndi zitsanzo za zida zotseguka.
*Kutseka-maselo porosity:
Apa, pores ndi akutali thovu mkati olimba zakuthupi, osagwirizana wina ndi mzake. Ganizilani a
mwala wa pumice - wodzaza ndi mabowo, koma madzi sangayende pakati pawo. Polystyrene kulongedza mtedza ndi
miyala ina ya mapiri ophulika ndi zitsanzo za zipangizo zotsekedwa.
Pomvetsetsa mtundu ndi mawonekedwe a porosity ya zinthu, asayansi ndi mainjiniya amatha kupanga
zipangizo za ntchito yeniyeni. Tiwona momwe izi zimachitikira mu gawo lotsatira!
Mitundu ya Porous Material
Dziko laporous zipangizondi chachikulu ndipo chimaphatikizapo zinthu zambiri zachilengedwe komanso zopangidwa.
Nazi pang'ono za mitundu yodziwika bwino, yosankhidwa kutengera komwe idachokera kapena kapangidwe kake:
Zida Zachilengedwe za Porous:
Miyala ndi Mchere:
Mwala wa mchenga, pumice, ndi zeolite ndi zitsanzo za miyala ya porous yomwe imapezeka mwachilengedwe.
Zidazi zimagwiritsidwa ntchito posefera, zomanga zomanga, komanso ngakhale zinyalala za amphaka chifukwa cha
kukula kwake kwa pore ndi madera akumtunda.
Zida Zachilengedwe:
Bone, matabwa, ndi cork zonse ndi zida zachilengedwe zokhala ndi zinthu zapadera. Bone, mwachitsanzo,
ali ndi dongosolo lotseguka lotseguka lomwe limapereka mphamvu ndi kusinthasintha, pamene porosity ya nkhuni imalola
zotengera madzi ndi michere m'zomera.
Zopangira Porous:
Ma polima:
Ma polymeric thovu monga polyurethane ndi polystyrene amagwiritsidwa ntchito kwambiri pakuyika, kutchinjiriza,
ndi kutsekeka chifukwa cha kapangidwe kake kotsekeka komwe kamagwira mpweya.
Zoumba:
Zida zopangira izi zitha kupangidwa ndi mawonekedwe oyendetsedwa ndi pore, kuwapanga kukhala abwino
ntchito monga kusefera nembanemba, chothandizira, ndi mafuta maselo.
Zitsulo:
Zitsulo za porous zikuyenda bwino m'malo ngati zida zomangira zopepuka komanso zoyikapo zamoyo
chifukwa cha kuchuluka kwa mphamvu ndi kulemera kwawo komanso kuthekera kosinthira porosity yawo pazosowa zenizeni.
Zitsulo-Organic Frameworks (MOFs):
Zida zopangira izi ndizodabwitsa zopangidwa ndi zida zokonzedwa bwino komanso zosinthika.
Amakhala ndi kuthekera kwakukulu pakusungira gasi, kupatukana, ndi kutumiza mankhwala.
Izi porous zipangizo tinatchula chabe zitsanzo za dziko zosiyanasiyana porous zipangizo.
Katundu wa Porous Zida
Kuphatikizika kwapadera kwa malo olimba ndi opanda kanthu muzinthu za porous kumawapatsa zinthu zosiyanasiyana
zomwe zimawapangitsa kukhala ofunikira pamapulogalamu osiyanasiyana. Tiyeni tifufuze zina mwazofunikira zakuthupi, zamakina,
ndi mankhwala katundu wa porous zipangizo:
Katundu Wathupi:
Kachulukidwe:
Chifukwa cha kukhalapo kwa ma pores, zida za porous nthawi zambiri zimakhala zocheperako kuposa zomwe sizimabowola.
Izi zimawapangitsa kukhala opepuka, omwe ndi ofunikira pamagwiritsidwe ntchito ngati uinjiniya wammlengalenga ndi zomangamanga.
*Porosity Peresenti:
Mtengo uwu umayimira kuchuluka kwa voids mkati mwazinthu poyerekeza ndi kuchuluka kwake konse. Kuchuluka kwambiri kumawonetsa mawonekedwe otseguka komanso olumikizana a pore.
* Permeability:
Katunduyu akutanthauza kuthekera kwa chinthu kulola madzi (mipweya kapena zamadzimadzi) kudutsa pores zake. Kukula kwa pore, mawonekedwe, ndi kulumikizana kumakhudza kwambiri permeability.
Katundu Wamakina:
*Mphamvu:
Kukhalapo kwa pores nthawi zina kumachepetsa mphamvu yazinthu zonse.
Komabe, uinjiniya wanzeru wamapangidwe a pore amatha kupanga zida za porous ndi
zodabwitsa zamphamvu-to-weight ratios, kuwapangitsa kukhala ofunikira pakumanga kopepuka.
*Kuthamanga:
Katunduyu amatsimikizira kuchuluka kwa zinthu zomwe zingasokonezedwe ndi kupsinjika ndikubwereranso
mawonekedwe ake oyambirira. Porosity imatha kukhudza elasticity m'njira zovuta, kutengera
zakuthupi ndi pore kapangidwe.
Chemical Properties:
*Zochitikanso:
Malo okwera omwe amapangidwa ndi pores amatha kuwapangitsa kuti azigwira ntchito kwambiri poyerekeza ndi zinthu zopanda porous.
Izi ndi zopindulitsa mu ntchito ngati catalysis, kumene kuchuluka pamwamba m'dera amalimbikitsa zimachitikira mankhwala.
*Kukana:
Zida za porous zimatha kupangidwa kuti zigwirizane ndi zinthu zina kapena mankhwala. Mwachitsanzo,zina porous ceramics
amawonetsa kukana kwambiri kutentha, kuwapangitsa kukhala oyenera kugwiritsa ntchito kutentha kwambiri.
Pomvetsetsa kuphatikizika kwa zinthu izi, asayansi ndi mainjiniya amatha kupanga zida za porous
zosowa zenizeni. Mu gawo lotsatira, tiwona momwe zidazi zimagwiritsidwira ntchito m'mafakitale osiyanasiyana!
Ubwino ndi Zovuta za Zida za Porous
Zida za porous zimapereka maubwino apadera omwe amawapangitsa kukhala ofunika m'mafakitale osiyanasiyana. Nazi zina mwazopindulitsa zazikulu:
* Malo apamwamba:
Maukonde ovuta a pores amapanga malo akuluakulu mkati mwa voliyumu yaying'ono. Izi ndizopindulitsa pamachitidwe monga kusefera, kutsatsa, ndi catalysis, pomwe kuchuluka kwa malo kumakulitsa kulumikizana pakati pa zinthu ndi madzi/mipweya.
*Yopepuka:
Chifukwa cha kukhalapo kwa pores, zida za porous nthawi zambiri zimakhala zopepuka kuposa zomwe sizimabowola. Izi ndizofunikira kwambiri pakugwiritsa ntchito ngati uinjiniya wamlengalenga ndi magalimoto osagwiritsa ntchito mafuta pomwe kuchepetsa thupi ndikofunikira kwambiri.
*Mayendedwe oyendetsedwa:
Kukula, mawonekedwe, ndi kulumikizana kwa pores zitha kupangidwa kuti ziwongolere momwe madzi amayendera kudzera muzinthuzo. Izi zimathandizira kusefa kolondola, kuyendetsedwa bwino kwa mankhwala, komanso kulekanitsa bwino kwa gasi.
* Zogwirizana nazo:
Zida zambiri zimatha kupangidwa porous, ndipo kapangidwe ka pore komweko kakhoza kupangidwa kuti akwaniritse zinthu zinazake. Kusinthasintha kumeneku kumapangitsa asayansi kupanga zida zogwiritsira ntchito zosiyanasiyana.
Komabe, zinthu za porous zimabweranso ndi zovuta zina:
*Mphamvu:
Kukhalapo kwa pores kumatha kuchepetsa mphamvu yonse ya chinthu. Kuchepetsa izi kumafuna njira zopangira ndi kukonza mosamala.
*Kuphulika:
Ma pores amatha kukhala ngati malo opsinjika maganizo, zomwe zimapangitsa kuti zinthuzo zikhale zosavuta kusweka kapena kusweka ndi kupsinjika kwambiri.
*Kuvuta kupanga:
Kupanga kapangidwe ka pore komwe mukufuna kumatha kukhala kovuta ndipo kumafunikira njira zapadera zopangira, zomwe zimatha kuwonjezera ndalama.
Kugwiritsa Ntchito Mwapadera kwa Sintered Stainless Stainless Porous Materials
Sintered zitsulo zosapanga dzimbiriporous zipangizo ndi mtundu wapadera wa zinthu porous ndi ubwino wapadera:
* Mphamvu zazikulu komanso kulimba:
Sintering, njira yopangira, imapanga mgwirizano wolimba pakati pa zitsulo zosapanga dzimbiri, zomwe zimapangitsa kuti zikhale zolimba komanso zokhalitsa.
*Corrosion resistance:
Chitsulo chosapanga dzimbiri chimapereka kukana kwa dzimbiri, kupangitsa kuti zinthuzi zikhale zabwino m'malo ovuta kapena kugwiritsa ntchito zamadzimadzi.
*Biocompatibility: Mitundu ina yachitsulo chosapanga dzimbiri ndi biocompatible, kutanthauza kuti imatha kuyikidwa bwino m'thupi la munthu. Izi zimatsegula zitseko za ntchito zamankhwala monga zosefera kapena zoyika mafupa.
* Kapangidwe ka pore kogwirizana:
Kukula ndi kugawa pores mu sintered zosapanga dzimbiri zitsulo akhoza kulamulidwa, kulola kusefera yeniyeni kapena kugawa madzimadzi.
Zinthu izi zimapangitsa kuti zitsulo zosapanga dzimbiri zosapanga dzimbiri zikhale zofunikira pamagwiritsidwe osiyanasiyana, kuphatikiza:
*Sefa:
Amagwiritsidwa ntchito kwambiri muzosefera zamakampanizakumwa ndi mpweya, makamaka pamapulogalamu omwe amafunikira mphamvu zambiri komanso kulimba.
*Kugawa kwamadzi:
Kuwongolera kwawo kumalola kugawa kwamadzimadzi munjira ngati chromatography kapena ma cell amafuta.
Kapangidwe ka pore kodabwitsa kamatha kuchepetsa mafunde a mawu, kuwapangitsa kukhala othandiza pochepetsa phokoso.
*Ma implants a biomedical:
Maonekedwe a biocompatible a magiredi ena amawapangitsa kukhala oyenera kuyika mafupa kapena zida zoperekera mankhwala.
Kuphatikizika kwamphamvu kwambiri, kukana kwa dzimbiri, ndi kapangidwe ka pore komwe kumapangitsa kuti zida zachitsulo zosapanga dzimbiri zikhale zamtengo wapatali pamagwiritsidwe osiyanasiyana ovuta.
Kugwiritsa Ntchito Porous Materials: Dziko Lamabowo Likugwira Ntchito
Makhalidwe apadera a zida za porous zapangitsa kuti pakhale ntchito zambiri m'magawo osiyanasiyana.
Nawa chithunzithunzi cha momwe zodabwitsa za hole-y zimagwirira ntchito:
Ntchito Zamakampani:
Makina Osefera:
Kuchokera ku zosefera za khofi kupita ku zosefera zazikulu zamafakitale, zida za porous ndizofunikira pakulekanitsa zomwe mukufuna
zigawo za osakaniza. Awo ankalamulira pore kukula amawathandiza msampha zapathengo particles pamene
kulola madzi ofunidwawo kudutsa.
Thandizo la Catalyst:
Mu zochita mankhwala, chothandizira imathandizira ndondomekoyi. Zida za porous zokhala ndi malo apamwamba zimapereka
nsanja ya zolimbikitsa izi, kukulitsa luso lawo munjira zosiyanasiyana zamakampani.
Kugwiritsa Ntchito Tsiku ndi Tsiku:
Insulation:
Mpweya wotsekeredwa mkati mwa pores wa zinthu monga fiberglass kapena thovu umakhala ngati insulator yayikulu,
kuchititsa nyumba zathu kukhala zofunda m’nyengo yachisanu ndi kuzizizira m’chilimwe.
Mayamwidwe Amawu:
Zida za porous monga mapanelo omvera kapena thovu zotsekereza mawu zimatha
kuyamwa mafunde amawu, kutsitsa phokoso ndikupanga malo opanda phokoso.
Acoustic panel
Mapulogalamu Omaliza:
Biomedical Engineering:
Zida za porous zikusintha gawo ili. Mwachitsanzo, ma porous scaffolds amagwiritsidwa ntchito
kupanga minofu, kupereka kapangidwe ka maselo atsopano kuti akulepo, ndi kutumiza mankhwala osokoneza bongo
machitidwe amatha kutulutsa mankhwala mwadongosolo.
Zamlengalenga:
Kufunika kwa zida zopepuka koma zamphamvu ndizofunikira kwambiri paukadaulo wazamlengalenga.
Zitsulo za porous zikufufuzidwa kuti zitha kupanga zida zopepuka zandege
popanda kusokoneza mphamvu.
Izi ndi zitsanzo zochepa chabe - kugwiritsa ntchito zida za porous ndizosiyanasiyana komanso
kusinthika mosalekeza. Pamene asayansi akupitiriza kupanga zipangizo zatsopano ndi zatsopano ndi
mawonekedwe a pore olamulidwa, mwayi wogwiritsa ntchito mosakayikira upitilira kukula!
Mapeto
Monga tasanthula mubulogu iyi, zida zowoneka bwino sizongosangalatsa kuchokera ku sayansi
mawonekedwe komanso osinthika modabwitsa komanso ofunikira m'mafakitale ambiri.
Kuchokera ku sponginess zachilengedwe za zinthu organic monga matabwa ndi fupa kuti kwambiri engineered porosity
mu zitsulo zadothi ndi zitsulo, zipangizozi zimagwira ntchito yofunika kwambiri muzinthu za tsiku ndi tsiku komanso zamakono
matekinoloje ofanana.
Tiyeni tipitilize kufufuza ndi kupanga zatsopano ndi zida za porous, kutsegula mayankho atsopano ndi
zotheka zomwe zingasinthe dziko lathu lapansi. Especial Porous Sintered zitsulo zosapanga dzimbiri fyuluta, ngati
Mukufuna kudziwa zambiri, chonde omasuka kulumikizana ndi HENGKO kudzera pa imelo
ka@hengko.comkapena ngati mawonekedwe otsatirawa.
Titumizireni uthenga wanu:
Nthawi yotumiza: Apr-17-2024