Iijenereyitha ze-Foam zekhonkrithi eziKhala: Ukuchaneka kobuNjineli kwi-Cellular Concrete Fabrication yoLwakhiwo oluZinzileyo lwe-potassium silicate powder

1. Uyilo lweMolekyuli kunye neZiseko zePhysicochemical zePotassium Silicate

1.1 ImiSebenzi yeMichiza kunye nePolymerization kwiZisombululo ezinamanzi

(Potassium Silicate)

Potassium silicate (K ZIMBINI O · nSiO ₂), edla ngokubizwa ngokuba yiglasi yamanzi okanye iglasi enyibilikayo, ayisiyiyo ipholima yendalo ephuhliswe ngumxube we potassium oxide (K ZIMBINI O) kunye nesilicon dioxide (SiO ZIMBINI) kumanqanaba obushushu aphakanyisiweyo, kulandele ukunyibilika emanzini ukuvelisa ukutyeba, isisombululo sealkaline.

Ngokungafaniyo ne-sodium silicate, ukulingana kwayo okuqhelekileyo ngakumbi, I-potassium silicate isebenzisa ukuqina okungaqhelekanga, ukomelezwa kokumelana namanzi, kunye nokuncitshiswa kokuthambekela kwi-effloresce, ukuyenza ixabiseke ngakumbi kumaleko okusebenza okuphezulu kunye nezicelo ezizodwa.

Umlinganiselo we-SiO ₂ ukuya kwi-K ₂ O, ichazwe njenge “n” (imodyuli), ilawula izakhiwo zokuhlala zempahla: izisombululo zemodyuli ephantsi (n < 2.5) are highly soluble and responsive, while high-modulus systems (n > 3.0) bonisa ukuxhathisa okungcono kwamanzi kunye nokukwazi ukwenza ifilimu kodwa kuncitshiswe ukunyibilika.

Kwimozulu engamanzi, i-potassium silicate idlula kwi-condensation reactions, apho silanol (Kwaye– OH) amaqela enza polymerize ukuphuhlisa i-siloxane (Kwaye– O– Kwaye) uthungelwano– inkqubo efana nendalo yezimbiwa.

Le polymerization idlamkileyo yenza ukuba kuphuhliswe iijeli ze-silica ezinomacala amathathu xa zomiswe okanye zifakwe iasidi., ukuphuhlisa uxinene, iimatrices zokhuselo lwekhemikhali ezidibana kakhulu kunye nee substrates ezifana nekhonkrithi, intsimbi, kunye neekeramics.

I-pH ephezulu yeenketho ze-potassium silicate (ngokuqhelekileyo 10– 13) inceda ngokusabela ngokukhawuleza kunye nemozulu ye-CO ₂ okanye amaqela e-hydroxyl angaphezulu, ukwandisa uphuhliso lweeleya ze-silica-rich ezinganyibilikiyo.

1.2 UKhuseleko lwe-Thermal kunye noTshintsho lweZakhiwo phantsi kweeMeko eziPhezulu

Enye yeempawu ezicacileyo ze-potassium silicate yi-phenomenal thermal stability, ukuyivumela ukuba inyamezele amanqanaba obushushu adlulayo 1000 ° C ngaphandle kokuqhekeka okubalulekileyo.

Xa ibekwe kubushushu, inethiwekhi ye-silicate efumileyo yoma kwaye ixinanise, ekugqibeleni itshintshe ibe yiglasi, I-amorphous potassium silicate ceramic enokuqina okuphezulu komatshini kunye nokumelana nokothuka kwe-thermal.

Ezi ntshukumo zixhasa ukusetyenziswa kwayo kwizibophelelo ezizichasayo, iileya zokuthintela umlilo, kunye ne-adhesives yobushushu obuphezulu apho iipolymers eziphilayo ziya kuphuka okanye zitshise.

Ukutya kwe potassium, ngelixa kuninzi kungalindelekanga kunesodium kumanqanaba obushushu obugqithisileyo, Yongeza ekunciphiseni izinto ezinyibilikayo kunye nemikhwa ephuculweyo yokuntywila, enokuba luncedo ekuphatheni i-ceramic kunye ne-glaze formulations.

Ukwengeza, Umthamo we-potassium silicate ukusabela ngeeoksidi zentsimbi kumanqanaba obushushu aphakanyisiweyo avumela ukwakheka kweeglasi ezintsonkothileyo ze-aluminosilicate okanye zealkali silicate., ezidityaniswe nezixhobo eziphucukileyo zeceramic kunye neenkqubo ze-geopolymer.

( Potassium Silicate)

2. Izicelo zoShishino kunye nezoKwakha kwiZibonelelo eziZinzileyo

2.1 Umsebenzi kuNxinaniso lweConcrete kunye nokuSekwa ​​koMphezulu

Kwimarike yokwakha, I-silicate ye-potassium ifumene ukubaluleka njenge-chemical hardener kunye ne-densifier yeendawo zekhonkrithi ezingaphezulu, kwandisa kakhulu ukuxhathisa kwe-abrasion, ulawulo lothuli, kunye nokuqina kwexesha elide.

Ngesicelo, Iindidi ze-silicate zigqobhoza kwimibhobho ye-capillary yekhonkrithi kwaye zisabele ngekhalsiyam hydroxide. (Ca(OH)₂)– isiphumo se-samente hydration– ukwenza i-calcium silicate hydrate (C-S-H), inqanaba elibophelelayo elifanayo elinika ikhonkrithi amandla ayo.

Le mpendulo ye-pozzolanic ngokufanelekileyo “amatywina” imatrix evela ngaphakathi, ukunciphisa ukungena kwamanzi kunye nokuthintela ukungena kwamanzi, iikloridi, kunye nezinye ii-arhente ezitshabalalisayo ezikhokelela ekuqiniseni umhlwa kunye nokusabalalisa.

Xa kuthelekiswa ne-silicates yendabuko esekelwe kwi-sodium, I-potassium silicate ivelisa i-efflorescence encinci ngenxa yokunyibilika okukhulu kunye nokuhamba kwee-ion ze-potassium., ebangela umcoci, ukugqiba okuthandekayo ngobuhle– kubaluleke kakhulu kulwakhiwo lwekhonkrithi kunye neenkqubo zomgangatho ocolisisiweyo.

Ukongeza, ukuqina komphezulu onyusiweyo kuphucula ukuxhathisa unyawo kunye nokuhamba kwemoto, ukwandisa ubude bobomi kunye nokuthoba amaxabiso olondolozo kumaziko oshishino, amagumbi okugcina impahla, kunye nezakhiwo zokupaka iimoto.

2.2 Iingubo zoMlilo kunye neNkqubo yokuKhusela uMlilo oPhambili

I-Potassium silicate yinxalenye ebalulekileyo yokwaleka kwe-intumescent kunye ne-non-intumescent yokukhusela umlilo kwintsimbi yesakhiwo kunye nezinye ii-substratum ezivuthayo..

Xa evezwe kubushushu, I-matrix ye-silicate iphelelwa ngamanzi kwaye inyuke ngokubambisana nabameli abavuthelayo kunye ne-char-forming resins., ukuvelisa uxinano oluphantsi, insulating layer ceramic ekhusela izinto ezifihliweyo kubushushu.

Lo mqobo wokukhusela unokugcina ingqibelelo yezakhiwo ukuya kuthi ga kwiiyure ezininzi ngexesha lesiganeko somlilo, ukunika ixesha elibalulekileyo lokukhutshwa kunye nemisebenzi yokucima umlilo.

Ubume obungeyiyo yendalo ye-potassium silicate iqinisekisa ukuba ukugquma akwenzi umsi onobungozi okanye kube negalelo ekusasazekeni komlilo., ukuhlangabezana nemithetho engqingqwa yokusingqongileyo nokhuseleko kwizakhiwo zikawonke-wonke nezamashishini.

Ngaphaya koko, ibhondi yayo egqwesileyo kwi-metal substrates kunye nokuchasana nokuvuthwa phantsi kweemeko ze-ambient kuyenza ibe ntle kukhuseleko lomlilo oluhlala luhleli kumaqonga aphesheya., itonela, kunye nolwakhiwo oluphezulu.

3. Izicelo zezoLimo nokusiNgqongileyo zoPhuculo oluZinzileyo

3.1 Ukuhanjiswa kweSilica kunye nokuPhuculwa kokuPhila kweZityalo kuLimo lwangoku

Kwi-agronomy, I-potassium silicate isebenza njengesilungiso esineenjongo ezimbini, Ukubonelela zombini i-silica kunye ne-potassium efumaneka kwi-bioavailable– 2 izinto eziyimfuneko zophuhliso lwezityalo kunye nokumelana noxinzelelo.

I-silica ayichongwa njengesondlo kodwa idlala indima ebalulekileyo kwisakhiwo kunye nokukhusela kwizityalo., ukuqokelela kwiindonga zeeseli ukwenza umqobo womzimba ngokuchasene nezinambuzane, iintsholongwane, kunye noxinzelelo lwendalo efana nembalela, ubutyuwa, kunye netyhefu yentsimbi enzima.

Xa isetyenziswa njengesitshizi samagqabi okanye isifunxa somhlaba, I-potassium silicate iyahlukana ukuze iqalise i-asilicic acid (Kwaye(OH)₄), efunxwa ziingcambu zezityalo kwaye isiwe kwiiseli apho ipholima khona kwi-amorphous silica phantsi kweentlawulo..

Le nkxaso iphucula amandla omatshini, kunciphisa indawo yokuhlala kwiinkozo, kwaye yonyusa ukuchasana nosulelo lomngundo njengomgubo wokungunda kunye nesifo sokudumba.

Zonke ngaxeshanye, Icandelo le-potassium ligcina iinkqubo ezibalulekileyo zomzimba ezibandakanya ukusebenza kwe-enzyme, umthetho wesisu, kunye ne-osmotic equilibrium, igalelo kuphuculo lwembuyekezo kunye nomgangatho ophezulu wezityalo.

Ukusetyenziswa kwayo kunceda ngokukodwa kwiinkqubo ze-hydroponic kunye ne-silica-deficient soils, apho imithombo yemveli efana ne-rice husk ash ayinakwenzeka.

3.2 Uzinziso loMhlaba kunye noLawulo lokuDityaniswa kubuNjineli bezinto eziphilayo

Ngaphandle kwesondlo sezityalo, I-potassium silicate isetyenziselwa ubumdaka ekuzinziseni itekhnoloji yanamhlanje ukunciphisa ukuqhekeka kunye nokuphucula izakhiwo ze-geotechnical..

Xa utofelwe kanye kwisanti okanye kumdaka okhululekileyo, inkonzo ye-silicate ingena kwiindawo ze-pore kunye neegels ekuvezweni ngokuthe ngqo kwi-carbon monoxide ezimbini okanye utshintsho lwe-pH, ukubopha amaqhekeza omhlaba kanye kwindalo, i-semi-rigid matrix.

Le ndlela yokuqinisa i-in-situ isetyenziswa kwi-slope uzinzo, ukuqiniswa kwesiseko, kunye nokugcwala komhlaba, ukunika ukhetho olungenabungozi ngokwendalo kwiisamente ezisekwe kwisamente.

Ukungcola okubangelwa yi-silicate-bonding kubonisa ukuphuculwa kwe-shear stamina, ukuhanjiswa kwe-hydraulic encinci, kunye nokumelana nokuqhekeka kwamanzi, ngelixa uhlala uvumela ukuba utshintshiselwano lwegesi kunye nokungena kwemvelaphi.

Kwiiprojekthi zokulungiswa kwendalo, le ndlela ixhasa indawo yezityalo kwimihlaba eyonakeleyo, upapasho lwexesha elide lokubuyisela uluntu ngaphandle kokubonisa iipolymers zokwenziwa okanye iikhemikhali ezingapheliyo.

4. Ukuvela kweMisebenzi kwiiMveliso eziPhezulu kunye neKhemistri ehambelana nokusiNgqongileyo

4.1 I-Precursor ye-Geopolymers kunye ne-Low-Carbon Cementitious Solutions

Njengoko imarike yokwakha ifuna ukunciphisa impembelelo yekhabhoni, I-potassium silicate iye yavela ngokwenene njenge-activator ebalulekileyo kwi-alkali-activated materials kunye ne-geopolymers.– izibophelelo ezingenasamente ezivela kwiziphumo zemizi-mveliso ezifana nothuthu lwempukane, slag, kunye ne-metakaolin.

Kwezi nkqubo, i-potassium silicate inikezela ngobume bealkaline kunye neentlobo ze-silicate ezinyibilikayo ezifunekayo ukunyibilikisa izandulela ze-aluminosilicate kwaye ziphinde zifakwe i-polymerize zibe yi-aluminosilicate entathu-dimensional edibanisa kunye neendawo zokuhlala ezinomatshini okanye zorhwebo ezilingana ne-avareji yesamente yasePortland..

I-Geopolymers evuliwe nge-potassium silicate ibonisa ukhuseleko olukhethekileyo lobushushu, ukumelana neasidi, kunye nokuncipha kwe-contraction xa kuthelekiswa neenkqubo ezisekelwe kwi-sodium, izenza zilungele useto olunzima kunye nezicelo ezisebenza kakhulu.

Ukwengeza, ukwenziwa kwee-geopolymers kudala ukuya kuthi ga 80% ngaphantsi kwekhabhon monoxide ₂ kunesamente eqhelekileyo, ukubeka i-silicate ye-potassium njengesixhobo esiphambili sokwenza isakhiwo esihlala sihleli kunye nokwakhiwa kwixesha lokulungelelaniswa kokusingqongileyo.

4.2 I-Additive eluncedo kwiiCoatings, Izinto zokuncamathelisa, kunye neMilaphu eNgangenwa ngamadangatya

Ngaphandle kwezinto zokwakha, I-potassium silicate ifumana usetyenziso olutsha kwiindawo eziluncedo kunye nezinto ezikrelekrele.

Ukukwazi kwayo ukuphuhlisa nzima, elubala, kunye nemifanekiso bhanyabhanya enganyangekiyo kwi-UV iyenza ilungele ukugqunywa ngokhuseleko etyeni, ubugcisa bokwakha, kunye nezikhumbuzo zembali, apho ukuphefumla kunye nokuhambelana kweekhemikhali kubalulekile.

Kwizinto zokuncamathelisa, isebenza njenge-crosslinker engeyiyo yendalo, ukuphucula ukhuseleko lwe-thermal kunye nokuchasana nomlilo kwiimveliso zemithi e-laminated kunye neendibano ze-ceramic.

Uphononongo lwangoku luphinde lwaphonononga ukusetyenziswa kwalo kunyango lwamalaphu angadakwanga, apho idala umaleko oqaqambileyo wokhuseleko ekuvezweni kwedangatye, ukuphepha ukuvutha kunye nokunyibilika-zithontsiza kwimpahla eyenziweyo.

Ezi teknoloji zigxininisa ukuguquguquka kwe-potassium silicate njengento eco-friendly, non-toxic, kunye nemveliso esebenzayo kwi-junction ye-chemistry, uyilo, kunye nozinzo.

5. Umthengisi

I-Cabr-Concrete ngumthengisi we-Concrete Admixture ene-over 12 iminyaka yamava kwi-nano-building energy yogcino kunye nophuhliso lwe-nanotechnology. Iyayamkela intlawulo ngekhadi letyala, T/T, I-West Union kunye ne-Paypal. I-TRUNNO iya kuthumela iimpahla kubathengi phesheya ngokusebenzisa i-FedEx, DHL, ngomoya, okanye ngolwandle. Ukuba ujonge umgangatho ophezulu weConcrete Admixture, nceda uzive ukhululekile ukuqhagamshelana nathi kwaye uthumele umbuzo.
Iithegi: potassium silicate,k silicate,isichumiso se-potassium silicate

Onke amanqaku kunye nemifanekiso avela kwi-Intanethi. Ukuba kukho nayiphi na imiba ye-copyright, nceda uqhagamshelane nathi ngexesha lokucima.

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