Yintoni iHoneycomb Ceramics?

Kwiminyaka yakutshanje, imfuno yezinto ezinobuhlobo nokusingqongileyo nezisebenzayo iye yanda kumashishini ahlukeneyo. Enye yezinto ezintsha eziye zatsala ingqalelo yabaphandi kunye neenjineli yi-honeycomb ceramics. Le nto inesakhiwo sayo esikhethekileyo se-honeycomb, enika iingenelo ezininzi kunye nokuguquguquka kwizicelo zayo. Inqaku elilandelayo libonelela ngophando olunzulu lwe-honeycomb ceramics, lixoxa ngeentlobo zazo, iimpawu, ukwakheka kweekhemikhali, inkqubo yokulungiselela, kunye nobuninzi bezicelo kumashishini afana neemoto, iikhemikhali, amandla ombane, nokunye. Ngokuqonda amandla e-honeycomb ceramics, singazisebenzisa ngcono izibonelelo zazo kwaye sivule indlela yekamva elizinzileyo nelisebenzayo kumacandelo amaninzi.

1、Yintoni i-Honeycomb Ceramics

Iiseramikhi zeHoneycomb yimveliso entsha yeseramikhi enesakhiwo esifana nohlobo lwehoneycomb. Ekuqaleni yayisetyenziswa ekucoceni umphunga weemoto ezincinci, kwaye ngoku isetyenziswa kakhulu kumashishini afana neekhemikhali, amandla ombane, i-metallurgy, i-petroleum, i-elektroniki, kunye noomatshini, kunye nezicelo ezibanzi ngakumbi kunye namathuba athembisayo. Iiseramikhi zeHoneycomb zinokwenziwa ngezinto ezahlukeneyo, ngakumbi kubandakanya i-cordierite, i-mullite, i-alumina titanate, i-activated carbon, i-silicon carbide, i-activated alumina, i-zirconia, i-silicon nitride, kunye ne-composite matrices.

2、Iintlobo zeeseramikhi zeHoneycomb

Iiseramikhi zobusi zinokwahlulwa zibe ziindidi ezine eziphambili ngokusekelwe kusetyenziso lwazo: iindawo zokugcina ubushushu, izinto zokupakisha, izinto zokuthwala izinto ezibangela ubushushu, kunye nezinto zokucoca.

Iziko zokugcina ubushushu zeseramikhi yobusi zinamandla obushushu angaphezu kwe-1000 kJ/kg, kwaye ubushushu obuphezulu bokusebenza buyi-1700℃ ubuncinane. Zingonga ngaphezulu kwe-40% yamafutha kwii-oven ezifana nee-oven zokufudumeza, ii-oven zokubhaka, ii-oven ezi-homogenizing, kunye nee-oven eziqhekekayo, zonyusa imveliso ngaphezulu kwe-15%, kwaye zehlise ubushushu bomsi okhutshwayo ukuya ngaphantsi kwe-150℃.

Izixhobo zokupakisha ze-ceramic ze-honeycomb zinendawo enkulu ngakumbi kwaye zinamandla angcono kunezinye izixhobo zokupakisha ezimile okwesi sixhobo, nto leyo ebangela ukusasazwa okufanayo kwegesi-ulwelo, ukuncipha kokumelana neebhedi, ukusebenza ngcono, kunye nobomi benkonzo ende. Zisetyenziswa njengezixhobo zokupakisha kwimizi-mveliso ye-petrochemical, ye-pharmaceutical, kunye neye-chemicals entle ngempumelelo enkulu.

Iiseramikhi zobusi ziluncedo kakhulu xa zisetyenziswa njengee-catalysts. Zisebenzisa izixhobo zeseramikhi zobusi njengezithwali kwaye zisebenzisa izixhobo zokugquma ezikhethekileyo, zilungiswa ngeentsimbi ezixabisekileyo, iintsimbi zomhlaba ezinqabileyo, kunye neentsimbi zotshintsho, nto leyo ebangela umsebenzi ophezulu wokutsala, uzinzo oluhle kakhulu lobushushu, ubomi obude benkonzo, kunye namandla aphezulu.

3、Iimpawu zeSeramiki zeHoneycomb

Amandla aphezulu, ukumelana nobushushu obuphezulu, ukumelana nokugqwala, kunye nokumelana nokuguguleka kwenza iiseramikhi zehoneycomb zilungele iinkalo ezahlukeneyo zokhuseleko lokusingqongileyo. Ezinye zeempawu ziquka:

Indawo ephezulu

Ububanzi obuphezulu kunye nobubanzi obufanayo bembobo

Ukwehla koxinzelelo oluphantsi

I-coefficient yokwandisa ubushushu obuphantsi

Uxinzelelo oluphezulu lobushushu kunye nokumelana nokungcangcazela

Ukumelana okuphezulu nokugqwala kweekhemikhali (i-anti-asidi ≥99.8%)

Amandla aphezulu okucinezela

4、Ukwakhiwa kweeKhemikhali zeHoneycomb Ceramics

Iihoneycombs zeseramikhi zihlala zenziwe nge-kaolin, i-talc, umgubo we-aluminiyam, kunye nodongwe. Kule mihla, ngokongeza i-zeolite kunye nezinye izinto ezichaseneyo, ezinye iimpawu zinokufunyanwa kwezi zinto.

Izixhobo zokwakha (MOC):

I-Cordierite

Ulwakhiwo lweekhemikhali zeCordierite:

I-Alumina: 35.2±1.5%

I-Silica: 50.9±1.5%

I-Magnesia: 13.9±1.5%

5、Inkqubo yokulungiselela iiseramikhi zobusi

Iiseramikhi zobusi zinokwenziwa ngezinto ezahlukeneyo. Izinto eziphambili ziquka i-cordierite, i-mullite, i-aluminium titanate, i-activated carbon, i-silicon carbide, i-activated alumina, i-zirconia, i-silicon nitride, kunye ne-composite substrates ye-cordierite-mullite kunye ne-cordierite-aluminum titanate.

Emva kokwenza umgubo wekhabhoni osebenzayo okanye iigranules zibe yisakhiwo seseramikhi yehoneycomb, amandla okucocwa kunye nokunyangwa kwamanzi amdaka aphucuke kakhulu, ngakumbi kwishishini lezemithi lokususa ukungcola, ukuphelelwa ngamanzi emzimbeni, kunye nokutshintsha umbala wee-antibiotics, iihomoni, iivithamini, i-nucleic acid injections, kunye nezinye iintlobo ngeentlobo zee-injections kunye namayeza. Njengoko iiseramikhi zehoneycomb zenziwa ngokuphuma, izongezo ezahlukeneyo kufuneka zongezwe kwizixhobo eziphambili zokuphucula i-plasticity kunye nokugeleza komzimba wodongwe. Ezi zongezo ziquka ikakhulu ii-binders, iiplasticizers, ii-deflocculants, ii-lubricants, kunye nee-wetting agents. Ngaphezu koko, kukwakho nee-agents zokugcina amanzi, ii-agents ze-chelating, ii-agents ze-antistatic, ii-protectives ze-colloidal, kunye nee-surfactants. Okwangoku, i-starch, i-carboxymethyl cellulose, kunye ne-polyvinyl alcohol zisetyenziswa kakhulu njengee-binders, i-tung oil kunye ne-stearic acid njengee-lubricants, kunye ne-glycerin njenge-plasticizer.

6、Ukusetyenziswa kweeCeramics zeHoneycomb

Abathwali beCatalyst

Xa zisetyenziswa njengee-catalyst carriers, ii-honeycomb ceramics zisetyenziswa kakhulu ekucoceni i-automotive exhaust, i-boiler flue gas denitration (NOx), ukususa ivumba le-industrial exhaust, kunye nokususa iigesi ezinobuthi neziyingozi. Ii-honeycomb ceramic catalyst catalyst catalyst catalysts ezisetyenziswa ekucoceni i-automotive exhaust catalyst zi-cordierite honeycomb ceramics ezigqunywe nge-γ-Al2O3.

Ifenitshala yeKiln engabonakaliyo

Ifenitshala ye-honeycomb ceramic ekhutshiweyo ilula ngama-60%-75% kunefenitshala ye-oven yendabuko, nto leyo evumela ukudluliselwa kobushushu ngokukhawuleza kunye nokutshisa ngokukhawuleza. Ukusebenzisa ii-honeycomb ceramics njengezixhobo zokuxhasa ukudubula ii-ferrites okanye ezinye ii-ceramics ze-elektroniki kunceda ukuphucula ukusebenza kweemveliso.

Izihluzi zokuhamba kodonga

Iiseramikhi zehoneycomb ezineendonga ezincinci nezinemingxuma zingasetyenziselwa ukucoca nokucoca amasuntswana ekhabhoni kwiigesi zokukhupha umoya zenjini yedizili (malunga nama-500℃).

7、Ukuqukumbela, iiseramikhi zehoneycomb zizinto eziguquguqukayo nezintsha ezinesakhiwo sehoneycomb esahlukileyo esibonelela ngeenzuzo ezahlukeneyo. Zisetyenziswa kumacandelo amaninzi amashishini, kuquka iimoto, iikhemikhali, amandla ombane, isinyithi, ipetroli, i-elektroniki, kunye noomatshini. Iimpawu zazo ezintle, ezinje ngamandla aphezulu, ukumelana nobushushu obuphezulu, ukumelana nokugqwala, kunye nokumelana nokuguguleka, zenza ukuba zilungele ukusetyenziswa ngeendlela ezahlukeneyo, kubandakanya iindawo zokugcina ubushushu, izinto zokupakisha, abathwali be-catalyst, kunye nezinto zokucoca. Ngokuqhubeka phambili kwisayensi yezinto eziphathekayo kunye nemfuno ekhulayo yezinto ezinobuhlobo nokusingqongileyo nezisebenzayo, iiseramikhi zehoneycomb ziya kudlala indima ebaluleke ngakumbi kumashishini ahlukeneyo, zithembisa ikamva eliqaqambileyo kuphuhliso lwazo kunye nokusetyenziswa kwazo.