Lithium Silicate neSodium Silicate: Ndeipi Iri Nani Pabasa Renyu Remaindasitiri?

Silicates dzinoshandiswa zvakanyanya mumaindasitiri sezvinhu zvisingasanganisike, zvinosanganisira sodium silicate pamwe ne lithium silicate, zvichishanda semienzaniso yakajairika. Sodium silicate , chigadzirwa chekare, chakashandiswa kwemakore mazhinji nekuda kwemutengo wakaderera uye nyore kuwana. Lithium silicate imhando ye silicate iri kuwana kuzivikanwa kwemusika nekuda kwehunhu hwayo hwakanaka, kugara kwenguva refu, uye kugara kwenguva refu kwezvakatipoteredza. Chinyorwa chino chinoongorora hunhu hwemakemikari maviri: kushanda, kushandiswa, uye mari inobatsira. Chinopawo manyuko ekutenga kwemaindasitiri uye dhizaini yemagadzirirwo.

1. Hunhu hweMakemikoro uye Maitiro Ekugadzirira

1.1 Lithium Silicate

Lithium silicate imusanganiswa unosanganisira Li2SiO3 (lithium metasilicate) uye Li4SiO4 (lithium orthosilicate). Zvigadzirwa zvekutengeserana zvinowanzova mvura ine silica-lithium oxide mole ratio >=2.6, iyo inoita semvura isina hwema, isina ruvara, uye inoonekera. Radius diki ye lithium ions inogadzira Ion layer hombe yemvura yakanyorova iyo inosimbisa silica particles, zvichiita kuti mhinduro igare yakasimba.

Kusiyana nesodium silicate haigone kugadzirwa nekunyunguduka kwe lithium carbonate ne silica nekupisa kwakanyanya. Maitiro makuru anosanganisira kuita kwe silica ne lithium hydroxide pakupisa kunodzorwa. Kuchena kwechigadzirwa kunoenderana nemhando yezvinhu zvakabikwa uye kunoda kudzorwa kwakasimba kwe pH nekupisa.

1.2 Sodium silicate

Sodium silicate, inozivikanwawo segirazi remvura, inoratidzwa nefomura yayo seNa2O*nSiO2 (n ndiyo silica-sodium oxide mole ratio, 1.5-3.5). Imvura ine viscous kana solid aqueous solution, uye viscosity inowedzera ne modulus uye concentration. pH yayo iri pakati pe11 ne13 ine alkalinity yakakwira uye high chemical reactivity.

Maitiro acho ari nyore uye akakura akanyunguduka silica jecha uye sodium carbonate pakati pe1300 ne1400 kugadzira sodium silicate yakasimba. Inogona kunyungudutswa mumvura nekudziisa kana kudzvanywa. Kuwanda kwezvinhu zvakagadzirwa uye hunyanzvi hwakaderera zvinopa zvakanakira zviri pachena pamutengo.

2. Kuenzanisa Kwekushanda Kwepakati

Musiyano mukushanda pakati pemadzinde maviri unobva mukukura kwemaion uye shanduko dzemabasa emakemikari. Tafura inotevera inopfupikisa zviratidzo zvakakosha zvichibva pamiedzo yakaitwa neindasitiri uye mhinduro kubva kuchirongwa.

Performance Indicator	Lithium silicate	Sodium silicate	Standard/Method yekuyedza
pH Kukosha (20% aqueous solution)	9.5-10.5	11.5-12.5	pH mita yekuyera zvakananga
Kuomarara kweMohs (mushure mekuumbwa kwefirimu)	7-9	6-7	Muedzo wekuomarara kweMohs
Mwero weKunyorova Mvura (24h, %)	≤22	≥42	RILEM 25 PEM
Kurasikirwa neAbrasion (Taber test, cc)	1.2-1.8	6.5-7.2	Taber abrasion tester
Alkali-Silica Reactivity (ASR)	Inodzivirira ASR reaction	Inogona kukurudzira maitiro eASR	ASTM C309

Kuwanda kwe sodium silicate kunokurumidza kuita kana isina calcium hydroxide mukongiri, zvichikonzera kuumbwa kwegel zvisina kurongeka pamwe nekuwedzera ma calcium hydroxide clumps, izvo zvinoderedza kugadzikana kwechigadzirwa. Lithium silicate, ine viscosity shoma uye alkalinity shoma, inoita zvine mwero uye zvishoma nezvishoma, zvichiita kuti tricalcium silicate isasanyungudike ine simba guru uye inodzivirira hunyoro zvakanyanya.

Alkali-silica Reactivity (ASR) inokonzera mitswe mukongiri. Alkalinity yakawanda mu sodium silicate inowedzera ASR, uye lithium silicate inodzivirira kuti isaitike nekuvhara hunyoro, nokudaro ichideredza alkalinity uye ichidzikamisa system nekuwedzera lithium ions, zvichiita kuti mitswe isaitike zvachose.

2.1 Kushandazve uye Kugadzikana Kwechigadzirwa

Alkalinity yakawanda yeSodium silicate inokurumidza kushanda necalcium hydroxide yakasununguka mukongiri, zvichikonzera kuumbwa kwegel isina kuenzana uye zvidimbu zvecalcium hydroxide zvinoderedza kugadzikana kwechigadzirwa. Lithium silicate, ine alkalinity shoma uye viscosity shoma, inoita zvishoma nezvishoma uye zvakaenzana, ichigadzira zvimiro zvisinganyungudike zve tricalcium silicate zvine simba rakawanda uye zvinodzivirira hunyoro zviri nani.

Kushanda kweAlkali-silica reactivity (ASR) kunokonzera kutsemuka kwekongiri. Alkalinity yakawanda yeSodium silicate inowedzera ASR, nepo lithium silicate ichiidzivisa nekuvhara hunyoro, kuderedza alkalinity, uye kudzikamisa sisitimu ne lithium ions, zvichidzivirira kutsemuka zvakanyanya.

2.2 Kuomarara, Kuramba Kupfeka, uye Kuramba Mvura

Lithium silicate inoumba chimiro cheSi-O-Si chakakora mushure mekuumbwa kwefirimu, ine kuomarara kweMohs kwe7-9 (vs. 6-7 yesodium silicate). Kurasikirwa kwetaber abrasion ye lithium silicate kuri 1.2-1.8 cc, kwakaderera zvikuru pane kwe sodium silicate ye 6.5-7.2 cc, nekuda kwekubatana kwakasimba kubva kuma ions e lithium, nepo mafirimu e sodium silicate aine maburi asina kunaka.

Mafirimu eSodium silicate anonyungudika mumvura (24h anvocation water ≥42%) uye anonyungudika nyore nyore, zvichideredza kushandiswa munzvimbo dzakaoma dzemukati. Mafirimu eLithium silicate anonyungudika mumvura (anvorption ≤22%) uye anodzivirira mvura nechando zvakanyanya, akakodzera mamiriro ekunze ane hunyoro.

2.3 Kuramba Kupenya Kwechiedza

Efflorescence idambudziko rinowanzoitika mu sodium silicate: sodium hydroxide, inosanganiswa nemhepo kuti igadzire ma white sodium carbonate deposits. Lithium silicate haina efflorescence nekuda kwe alkalinity shoma uye zvigadzirwa zvakagadzikana, zvine maitiro e efflorescence: sodium silicate > potassium silicate > lithium silicate.

3. Maitiro Ekushandisa uye Kuchinjika

3.1 Minda yekushandiswa kweLithium Silicate

Lithium silicate inoshandiswa mumabasa epamusoro-soro. Inoshandiswa mukuvaka sechisimbiso chesimende/chinogadzirisa mabhiriji, pasi, matuneri, nezvimwe zvivako zvinoda kusakara uye hunyoro, pamwe nekudzivirira ngura. Kusasimba kwayo muASR kunoita kuti ikodzere nzvimbo dzegungwa nedzevhu.

Inoshandawo sehwaro hwemachira emvura ane zinc yakawanda uye anodziya zvakanyanya (kusvika 1,000 °C) anodzivirira michina inorema nemidziyo kubva pakupisa kwakanyanya. Pamusoro pezvo, inowedzera kudzivirira kwemvura kubva kumaglazes nema ceramics epepa.

3.2 Minda yekushandiswa kweSodium Silicate

Sodium silicate inoshandiswa zvakanyanya mumabasa ese asingadhuri uye asingadhuri. Inovandudza kusimba kwekongiri pakutanga, inobatanidza madhaka nezvinonyungudutsa, uye inoshanda sezvinhu zvinoshandiswa kugadzira silica gel, carbon black, white, uye zeolite. Inoshandiswawo semushonga wehukuru mumaindasitiri emachira nemapepa.

Kusakwanisa kudzivirira mvura uye kupenya kwechiedza kunoderedza kushandiswa kwayo kwepamusoro, zvichideredza kushandiswa kwayo muzvivakwa zvenguva pfupi nenzvimbo dzakaoma mukati meimba. Kusanganisa silicate ne lithium (muchiyero che8:6 kusvika 9:1) inzira yekuenzanisa mutengo nekushanda kwayo.

4. Kuongorora Mari Nemabhenefiti

Mutengo chinhu chakakosha kana zvasvika pakusarudza chinhu chakakodzera. Silicate sodium (800-1200 yuan/tani munharaunda) inodhura zvishoma nekuda kwekuwanda kwezvinhu zvakagadzirwa. Lithium silicate (8,000-12,000 yuan/tani) yakavakirwa pa lithium hydroxide, inova mutengo wakapetwa kasere kusvika kagumi.

Lithium silicate inopa mari iri nani kuburikidza nehupenyu hwayo hwese, uye hupenyu hwayo hwakareba katatu nemutengo wekugadzirisa wepagore we<1% yekudyara kwekutanga (vs. 5-8% yesodium silicate), zvichiita kuti ive yakakodzera kumapurojekiti anoda kushandiswa kwemakumi gumi nemashanu emakore.

Lithium silicate inobva kuUS ine mitengo yakaderera yezvinhu zvisina kugadzirwa (8500-9200 yuan/tani kana tichienzanisa ne o. 9500-10500 yuan/tani mumabhurendi ekunze akadai seBASF). Zvisinei, kugadzikana kwemabhurendi ekunze kwakakwira (kupasa >97 muzana kana tichienzanisa ne94.2 muzana mumusika wemuno).

5. Nhungamiro dzeSarudzo dzeMapurojekiti eMaindasitiri

Kusarudzwa kwepurojekiti kunoenderana nezvinodiwa pamwe chete nebhajeti, nharaunda, uye hupenyu hwebasa racho. Mirayiridzo inotevera iripo:

Sarudza lithium silicate yemapurojekiti anoda makore anopfuura gumi nemashanu ekushanda, nzvimbo dzine hunyoro/kunze/kuora, kuomarara kwakanyanya/kusakara, kana kudzivirira ASR/efflorescence (semuenzaniso, pasi repamusoro, mabhiriji egungwa, michina yemakemikari).

Sarudza sodium silicate kana uine bhajeti shoma, usingashandise mvura yakawanda mumba, makore gumi ehupenyu hwako, kana kuti une zvivakwa zvenguva pfupi (semuenzaniso, pasi remortar, pasi remukati risingatakure mutoro, uye zvinhu zvinodzivirira kupisa zvinodhura zvishoma).

Kuti uve nechokwadi chekuti mutengo nemhando zviri pakati pemutengo, sanganisa zvese zviri zviviri uye ita bvunzo diki kuti uwane chiyero chakakodzera OS yako.

6. Mhedziso

Zvinhu zviviri izvi zvine zvazvakanakira zvakasiyana: sodium silicate yemhando yepamusoro, inodhura zvishoma, uye yakajairika; lithium silicate yemhando yepamusoro, inogara kwenguva refu, uye ine nharaunda yakaoma. Zvakanakira mashandiro ayo zvinoita kuti ive nzira yekukura kwemhando yepamusoro, nepo sodium silicate ichiramba iri pakati nepakati nepasi kuburikidza nemutengo.

Mutengo weLithium silicate unotarisirwa kudzikira nehunyanzvi hwepamusoro hwekuburitsa uye kugadzirwa kwakakura. Vatungamiriri vemaindasitiri vanofanirwa kuongorora zvichienderana nezvinodiwa chaizvo kwete kungoongorora mutengo kuti vave nechokwadi chekuti mapurojekiti akanaka uye mabhenefiti enguva refu.

Supplier

RBOSCHCO ikambani inovimbwa pasi rose inopa zvinhu uye mugadziri ane ruzivo rwemakore anopfuura gumi nemaviri mukupa makemikari emhando yepamusoro uye zvinhu zveNanomaterials. Kambani iyi inotumira zvinhu kunyika dzakawanda, dzakadai seUSA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Azerbaijan, Belgium, Cyprus, Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, Germany, France, Italy, Portugal nezvimwewo. Semugadziri anotungamira mukugadzira nanotechnology, RBOSCHCO ndiyo inonyanya kukosha pamusika. Chikwata chedu chebasa chine hunyanzvi chinopa mhinduro dzakakwana dzekubatsira kuvandudza mashandiro emaindasitiri akasiyana-siyana, kugadzira kukosha, uye kugadzirisa matambudziko akasiyana-siyana zviri nyore. Kana uri kutsvaga Lithium Silicate, ndapota inzwa wakasununguka kutibata.