Izinkinga eziningana okufanele zinakwe ekubunjweni kwesihlabathi se-sodium silicate

1 Yiziphi izinto ezithinta "ukuguga" kwengilazi yamanzi? Ungakususa kanjani "ukuguga" kwengilazi yamanzi?
 
Ingilazi yamanzi esanda kulungiswa yisixazululo sangempela. Kodwa-ke, ngesikhathi senqubo yokugcina, i-silicic acid engilazini yamanzi izobhekana ne-condensation polymerization, okuzohamba kancane kusuka kusisombululo seqiniso kube yisixazululo se-macromolecular silicic acid, futhi ekugcineni kube ijeli le-silicic acid. Ngakho-ke, ingilazi yamanzi empeleni ingxube enkulu kakhulu eyenziwe nge-polysilicic acid enamazinga ahlukahlukene we-polymerization, ethinteka kalula yimodulus yayo, ukugxila, izinga lokushisa, okuqukethwe yi-electrolyte nesikhathi sokugcina.

Ngesikhathi sokugcina, ama-molecule engilazi yamanzi adonswa yi-condensation polymerization ukwakha i-gel, futhi amandla ayo okubopha ancipha kancane kancane ngokunwetshwa kwesikhathi sokugcina. Lesi simo sibizwa ngokuthi "ukuguga" kwengilazi yamanzi.

Isimo "sokuguga" singachazwa ngamasethi amabili wedatha yokuhlola: ingilazi ephezulu yamanzi (M = 2.89, ρ = 1.44g / cm3) ngemuva kwezinsuku ezingama-20, 60, 120, 180, 240, zokugcina i-CO2 kushaywa ingilazi yamanzi Amandla okoma aqine esihlabathi ehla ngokulingana ngo-9.9%, 14%, 23.5%, 36.8% no-40%; imodulus ephansi ye-sodium silicate (M = 2.44, ρ = 1.41g / cm3) igcinelwa izinsuku eziyi-7, 30, 60 nezingama-90 ngemuva kokumiswa. Amandla aqine anciphe ngo-4.5%, 5%, 7.3% no-11% ngokulandelana.

Isikhathi sokugcina ingilazi yamanzi sinomthelela omncane emandleni okuqala esihlabathi esilukhuni se-ester-hardened isihlabathi esiziqinisa, kepha sinomthelela omkhulu emandleni akamuva. Ngokwezilinganiso, kuncishiswa cishe ngama-60% kwengilazi ephezulu yamanzi, kanye ne-15-20% yengilazi yamanzi aphansi. . Amandla asalayo nawo ancipha ngokwandiswa kwesikhathi sokugcina.

Ngesikhathi sokugcinwa kwengilazi yamanzi, i-polycondensation kanye ne-depolymerization ye-polysilicic acid iyaqhubeka ngasikhathi sinye, isisindo samangqamuzana asilinganiswa, futhi ekugcineni uhlelo oluhlakazekile oluningi lapho kuhlala khona izinhlayiya ze-monoorthosilicic acid kanye ne-colloidal. Okungukuthi, ngesikhathi senqubo yokuguga kwengilazi yamanzi, Izinga le-polymerization le-silicic acid alinakulinganiswa, futhi okuqukethwe kwe-monoorthosilicic acid ne-polysilicic acid ephezulu kuyanda ngokwandiswa kwesikhathi sokugcina. Njengomphumela we-condensation polymerization kanye ne-depolymerization reaction yengilazi yamanzi ngesikhathi sokugcina, amandla okubopha ancishisiwe, okungukuthi, into ethi "ukuguga" iyenzeka.

Izici eziyinhloko ezithinta "ukuguga" kwengilazi yamanzi yilezi: isikhathi sokugcina, imodyuli kanye nokuhlushwa kwengilazi yamanzi. Uma isikhathi sokugcina sigcina isikhathi, i-modulus iyanda futhi ukugxila kukhulu, "ukuguga" kubi kakhulu.

Ingilazi yamanzi esele ikhona ingashintshwa ngezindlela ezahlukahlukene ukuqeda "ukuguga" nokubuyisela ingilazi yamanzi ekusebenzeni kwengilazi yamanzi amasha:

1. Ukuguqulwa komzimba

Ukuguga kwengilazi yamanzi kuyinqubo ezenzekelayo ekhipha kancane amandla. Ukuguqulwa ngokomzimba kwengilazi yamanzi "esekhulile" ukusebenzisa insimu kazibuthe, i-ultrasound, imvamisa ephezulu noma ukufudumeza ukunikeza amandla ohlelweni lwengilazi yamanzi futhi kukhuthaze ukufakwa kwepolymerization ephezulu yeglue polysilicate. Izinhlayiya ziphinda zinciphise amandla futhi zikhuthaze ukwenziwa kwe-homogenization kwesisindo samangqamuzana e-polysilicic acid, ngaleyo ndlela kuqedwe into yokuguga, okuyindlela yokuguqulwa komzimba. Isibonelo, ngemuva kokwelashwa ngensimbi kazibuthe, amandla esihlabathi se-sodium silicate andiswa ngama-20-30%, inani le-sodium silicate elingeziwe lehliswe ngo-30-40%, i-CO2 igcinwa, ukugoqeka kuthuthukisiwe, futhi kukhona okuhle izinzuzo zezomnotho.

Ububi bokuguqulwa komzimba ukuthi akuhlali isikhathi eside, futhi amandla okubopha azokwehla lapho egcinwe ngemuva kokwelashwa, ngakho-ke kufanelekile ukusetshenziswa ngokushesha okukhulu ngemuva kokwelashwa esisekelweni. Ikakhulukazi ngengilazi yamanzi ene-M> 2.6, ukugxila kwama-molecule e-silicic acid kukhulu, futhi ngemuva kokuguqulwa komzimba kanye nokwehliswa komzimba, kuzokwenza i-polycondensate ngokushesha okukhulu. Kungcono ukuyisebenzisa ngokushesha ngemuva kokwelashwa.

2. Ukuguqulwa kwamakhemikhali

Ukuguqulwa kwamakhemikhali ukufaka inani elincane lama-compounds engilazini yamanzi, wonke la makhompiyutha aqukethe i-carboxyl, i-amide, i-carbonyl, i-hydroxyl, i-ether, i-amino namanye amaqembu we-polar, akhonjiswe kuma-molekyuli e-silicic acid noma izinhlayiya ze-colloidal ngokusebenzisa ama-hydrogen bond noma ama-static ugesi. I-Surface, shintsha amandla ayo angaphezulu namandla wokuxazulula, ithuthukise ukusimama kwe-polysilicic acid, ngaleyo ndlela ivimbele "ukuguga" ekuqhubekeni.

Isibonelo, ukufaka i-polyacrylamide, isitashi esilungisiwe, i-polyphosphate, njll engilazini yamanzi kungafinyelela imiphumela engcono.

Ukufaka izinto eziphilayo engilazini yamanzi ejwayelekile noma ingilazi yamanzi eguquliwe ingadlala imisebenzi eyahlukahlukene, efana noku: ukuguqula izakhiwo zokugeleza okubonakalayo kwengilazi yamanzi; ukwenza ngcono ukusebenza kokumodelwa kwengxube yezingilazi zamanzi; ukwandisa amandla okuhlanganisa ukwenza ingilazi yamanzi ingezwe ngokuphelele Inani liyancipha; i-plasticity ye-gel ye-silicic acid ithuthukiswa; amandla asalile anciphile, ukuze isihlabathi sengilazi samanzi sikulungele kakhulu insimbi yensimbi kanye nama-alloys angenayo i-ferrous.

3. Physical-chemical ukuguqulwa

Ukuguqulwa komzimba kulungele ingilazi yamanzi "endala", futhi ingasetshenziswa ngokushesha ngemuva kokuguqulwa. Ukuguqulwa kwamakhemikhali kufanelekile ukucubungula ingilazi yamanzi amasha, futhi ingilazi yamanzi eguquliwe ingagcinwa isikhathi eside. Inhlanganisela yokuguqulwa komzimba nokuguqulwa kwamakhemikhali kungenza ingilazi yamanzi ibe nomphumela wokuguqulwa okuhlala njalo. Isibonelo, ukufaka i-polyacrylamide ku-autoclave ukuguqula ingilazi yamanzi "yokuguga" kunomphumela omuhle. Phakathi kwabo, ingcindezi nengcindezi ye-autoclave kuyasetshenziswa. Ukugqugquzela ukuguqulwa ngokomzimba, futhi ukungeza i-polyacrylamide ukuguqulwa kwamakhemikhali.

2 Ungayivimba kanjani i-CO2 eshaya isikhunta sesihlabathi esiqinile (i-core) yokuchofoza ebusweni?

Ngemuva kokuthi isihlabathi se-soda sodium silicate siphephukile i-CO2 iqine futhi ishiywe isikhathi esithile, kwesinye isikhathi into efana neqhwa eliyisiqhwaga lizovela ebusweni besikhunta esezansi (umongo), ozonciphisa kakhulu amandla endawo futhi ukhiqize kalula isihlabathi ukugeza ukukhubazeka ngesikhathi sokuthela. Ngokuya ngokuhlaziya, ingxenye esemqoka yale nto emhlophe yiNaHCO3, engabangelwa umswakama owedlulele noma i-CO2 esihlabathini se-sodium silicate. Ukusabela kanje:

　　Na2CO3 + H2O → NaHCO3 + NaOH

　　Na2O+2CO2+H2O→2NaHCO3

　　INaHCO3 ifuduka kalula iye ngaphandle inomswakama, ibangele impuphu efana neqhwa ebusweni besikhunta nengaphakathi.

Isixazululo sinje:

　　 1. Lawula umswakama wesihlabathi se-sodium silicate ukuze ungabi phezulu kakhulu (ikakhulukazi ngenkathi yemvula nasebusika).

　　2. Isikhathi sokushaya i-CO2 akufanele sibe side kakhulu.

　　 3. Isikhunta nomgogodla oqinisiwe akumele ubekwe isikhathi eside, futhi kufanele ubunjwe futhi uthele ngesikhathi.

　　4. Ukungeza cishe u-1% (ingxenyenamba enkulu) yesiraphu ngobuningi be-1.3g / cm3 esihlabathini se-sodium silicate kungavimbela indawo ukuthi ingafafazwa.

3 Ungakuthuthukisa kanjani ukumelana nokumuncwa komswakama kwesikhunta seglasi lamanzi (okuyisisekelo)?

Umgogodla wesihlabathi sengilazi wamanzi kasoda oqiniswe yi-CO2 noma izindlela zokufudumeza uhlanganiswe kwisikhunta sobumba esimanzi. Uma ingathelwa ngesikhathi, amandla omgogodla wesihlabathi azokwehla ngokucijile, hhayi nje kuphela ukuthi kungangena, noma kungadilika; igcinwa endaweni enomswakama Amandla engqikithi yesihlabathi nawo ancishiswe kakhulu. Ithebula 1 likhombisa inani lamandla we-CO2 lukhuni wengilazi wamanzi oqinile lapho ifakwa endaweni enomswakama ohlobene no-97% amahora angama-24. Isizathu sokuphelelwa amandla lapho sigcinwa endaweni enomswakama kungenxa yokuvuselelwa kabusha kwengilazi yamanzi e-sodium. INa + ne-OH— kwisibalo se-sodium silicate binder sithatha umswakama futhi sigugule i-matrix, ekugcineni siphule isibopho se-silicon-oxygen Si-O-Si, okuholele ekwehleni okuphawulekayo emandleni okuhlanganisa isihlabathi se-sodium silicate.

1. Ingilazi yamanzi i-Lithium yengezwa engilazini yamanzi e-sodium, noma i-Li2CO3, i-CaCO3, i-ZnCO3 nezinye izithasiselo ezingaphili zengezwa engilazini yamanzi e-sodium, ngoba ama-carbonates nama-silicates angenakuncibilika angakhiwa, futhi i-ion ion yamahhala ingancishiswa Ngakho-ke, umswakama ukumelana nokumuncwa kwesibopho seglasi samanzi se-sodium kungathuthukiswa.

2. Faka inani elincane le-organic material noma i-organic matter nge-surfactant function engilazini yamanzi e-sodium. Lapho isibopho senziwe lukhuni, i-hydrophilic Na + ne-OH- ions ku-gel yamanzi e-sodium kungashintshwa ngamaqembu e-organic hydrophobic, noma ahlanganiswe omunye nomunye, isisekelo se-organic hydrophobic esivelile sithuthukisa ukumunca umswakama.

3. Thuthukisa i-modulus yengilazi yamanzi, ngoba ukumelana nomswakama kwengilazi yamanzi ephezulu kunamandla kunengilazi yamanzi aphansi.

4. Faka isitashi i-hydrolyzate esihlabathini se-sodium silicate. Indlela engcono ukusebenzisa isitashi i-hydrolyzate ukuguqula ingilazi yamanzi e-sodium.

4 Yiziphi izici ze-CO2 eshaya lukhuni ingilazi-i-alkaline phenolic resin inqubo yenhlanganisela?

Eminyakeni yamuva nje, ukuze kuthuthukiswe ikhwalithi yokusakazwa kwensimbi, amanye amabhizinisi amancane naphakathi nendawo ngokuphuthumayo adinga ukwamukela inqubo yesihlabathi se-resin. Kodwa-ke, ngenxa yamandla alinganiselwe omnotho, abakwazi ukuthenga imishini yokuvuselela isihlabathi se-resin, futhi isihlabathi esidala asikwazi ukuphinda sisetshenziswe kabusha, okuholela ezindlekweni eziphezulu zokukhiqiza. Ukuze uthole indlela ephumelelayo yokuthuthukisa ikhwalithi yokusakazwa ngaphandle kokukhuphula izindleko kakhulu, izici zenqubo ye-CO2 yokushaya isihlabathi esiqinile se-sodium silicate kanye ne-CO2 yokushaya isihlabathi se-alkaline i-phenolic resin esiqinile ingahlanganiswa, futhi i-CO2 eshaya i-sodium silicate eqinile-i-alkaline i-phenolic resin ingasetshenziswa. Inqubo yokuhlanganiswa kwesihlabathi se-resin isebenzisa isihlabathi se-alkaline phenolic resin njengesihlabathi esingaphezulu nesihlabathi sengilazi samanzi njengesihlabathi sangemuva, ngenkathi sishaya i-CO2 ngokwenza lukhuni.

I-phenolic resin esetshenziswe ku-CO2-alkaline phenolic resin sand yenziwa nge-polycondensation ye-phenol ne-formaldehyde ngaphansi kwesenzo se-alkaline catalyst eqinile nokufaka i-ejenti yokuhlanganisa. Inani laso le-PH lingu- ≥13, futhi i-viscosity yalo ingu- ≤500mPa • s. Inani le-phenolic resin elifakwe esihlabathini liyi-3% kuye ku-4% (ingxenyenamba yesisindo). Lapho isilinganiso sokugeleza kwe-CO2 singu-0.8 ~ 1.0m3 / h, isikhathi esihle kakhulu sokushaya ngu-30 ~ 60s; uma isikhathi sokushaya sincane kakhulu, amandla wokwenza lukhuni kwesihlabathi kube phansi; uma isikhathi sokushaya side kakhulu, amandla omgogodla wesihlabathi ngeke ande, futhi kumoshwa igesi.

I-CO2 — I-alkaline phenolic resin sand ayiqukethe izinto eziyingozi njenge-N, P, S, njll. amagesi ayingozi afana ne-H2S ne-SO2 awakhishwa ngesikhathi sokuthululwa, okunenzuzo ekuvikelweni kwemvelo; Ukugoqeka okuhle, okulula ukuyihlanza; ukunemba okuphezulu; ukusebenza kahle kokukhiqiza.

Inqubo ehlanganisiwe ye-CO2 yamanzi eqinisa ingilazi-alkaline phenolic resin isihlabathi ingasetshenziswa kakhulu ekusakazweni kwensimbi, ukusakazwa kwensimbi, ama-alloys ethusi nokukhanya kwe-alloy castings.

Inqubo eyinhlanganisela inqubo elula futhi elula. Le nqubo imi kanje: okokuqala hlanganisa i-resin sand nesihlabathi se-sodium silicate ngokwehlukana, bese uzifaka emabhakedeni amabili esihlabathi; bese ufaka isihlabathi esihlanganisiwe se-resin njengesihlabathi esingaphezulu ebhokisini lesihlabathi Futhi iphawundi, ubukhulu besendlalelo sesihlabathi esingaphezulu ngokuvamile singama-30-50mm; bese kufakwa isihlabathi sengilazi yamanzi ukwenza isihlabathi sangemuva sigcwalise futhi sihlangane; ekugcineni, igesi le-CO2 lishayelwa kwisikhunta sokwenza lukhuni.

Ububanzi beshubhu lokushaya ngokuvamile bungu-25mm, futhi uhla oluqinile lucishe lube yizikhathi ezi-6 ububanzi bethubhu lokushaya.

Isikhathi sokushaywa sincike kubukhulu, ukwakheka, ukugeleza kwegesi, nendawo yesipuli sokukhipha isikhunta sesihlabathi (umongo). Ngokuvamile, isikhathi sokushaya silawulwa ngaphakathi kwe-15 ~ 40s.

Ngemuva kokushaya isikhunta sesihlabathi esinzima (umongo), isikhunta singathathwa. Amandla esikhunta sesihlabathi (umongo) akhuphuka ngokushesha. Shayela upende kungakapheli isigamu sehora ngemuva kokuthatha isikhunta, bese uvala ibhokisi ukuze uthele ngemuva kwamahora amane.

Inqubo eyinhlanganisela ilungele ikakhulukazi izitshalo zensimbi ezingenawo imishini yokuvuselela isihlabathi futhi zidinga ukukhiqiza ukusakazwa kwekhwalithi ephezulu. Le nqubo ilula futhi kulula ukuyilawula, futhi ikhwalithi yokusakazwa okukhiqizwayo ilingana naleyo yokuphonswa kwesihlabathi se-resin.

I-CO2 eshaya isihlabathi esiqinile se-sodium silicate nayo ingahlanganiswa ne-CO2 eqinisa isihlabathi se-resin polyacrylate resin ekukhiqizeni ama-castings aphezulu aphezulu ahlukahlukene.

5 Yiziphi izinzuzo nezimbi zenqubo ye-CO2-organic ester composite lukhuni yenqubo yesanti?

Eminyakeni yamuva, i-CO2-organic ester composite lukhuni inqubo yesihlabathi ye-sodium silicate inomkhuba wokwandisa izinhlelo zokusebenza. Le nqubo imi kanje: engeza inani elithile le-ester ephilayo ngesikhathi sokuhlanganiswa kwesihlabathi (imvamisa isigamu semali evamile edingekayo noma u-4 ~ 6% wesisindo sengilazi yamanzi); ngemuva kokumodeliswa kuqediwe, shaya i-CO2 ukuze uqinise amandla wokukhishwa kwesikhunta (ukumelana kokucindezela ngokuvamile kuyadingeka) Amandla angaba ngu-0.5MPa); ngemuva kokudilizwa, i-organic ester iyaqhubeka nokuqina, namandla esihlabathi sokubumba akhuphuka ngesivinini esisheshayo; ngemuva kokuthi i-CO2 ishayiwe futhi ibekwe i-3 ~ 6h, isikhunta sesihlabathi singahlanganiswa sithululwe.

Indlela yokwenza lukhuni yile:

Lapho isihlabathi sengilazi samanzi sishaya i-CO2, ngaphansi kwesenzo sokwehluka kwengcindezi yegesi nomehluko wokuhlushwa, igesi le-CO2 lizozama ukugeleza lizinhlangothi zonke zesihlabathi sokubumba. Ngemuva kokuthi igesi i-CO2 ixhumane nengilazi yamanzi, iphendula ngokushesha ngayo ukwakha ijeli. Ngenxa yomphumela wokusakazeka, ukuphendula kuhlala kusuka ngaphandle kuye ngaphakathi, kuthi ungqimba lwangaphandle luqale lwenze ifilimu yejel, evimbela igesi le-CO2 nengilazi yamanzi ukuthi iqhubeke nokusabela. Ngakho-ke, ngesikhathi esifushane, noma ngabe iyiphi indlela esetshenziswayo ukulawula igesi le-CO2, akunakwenzeka ukuyenza isabele ngayo yonke ingilazi yamanzi. Ngokuya ngokuhlaziya, lapho isihlabathi sokubumba sifinyelela emandleni amahle okushaya, ingilazi yamanzi ephendulwe ngegesi ye-CO2 icishe ibe ngama-65%. Lokhu kusho ukuthi ingilazi yamanzi ayisebenzisi ngokuphelele ukusebenza kwayo, futhi okungenani ama-35% engilazi yamanzi ayisabeli. I-organic ester hardener ingakha ingxube efanayo ne-binder, futhi inganikeza ukudlala okugcwele kumphumela wokuhlanganisa we-binder. Zonke izingxenye zesihlabathi esiyisisekelo zakha amandla ngejubane elifanayo.

Ukunyusa inani lengilazi yamanzi engeziwe kuzokhuphula amandla okugcina esikhunta sesihlabathi, kepha amandla asalayo asele nawo azokwanda, okwenza kube nzima ukuhlanza isihlabathi. Lapho inani elengeziwe lengilazi yamanzi lincane kakhulu, amandla okugcina mancane kakhulu futhi awakwazi ukuhlangabezana nezidingo zokusetshenziswa. Ekukhiqizweni kwangempela, inani lengilazi yamanzi elengeziwe ngokuvamile lilawulwa cishe nge-4%.

Uma usebenzisa i-organic ester yodwa ukwenza lukhuni, inani elijwayelekile le-organic ester elengeziwe lingu-8-15% wenani lengilazi yamanzi. Lapho usebenzisa ukuqina okuhlanganisiwe, kulinganiselwa ukuthi cishe isigamu sengilazi yamanzi siqinisiwe lapho kushaywa i-CO2, futhi cishe uhhafu wengilazi yamanzi awukakabi lukhuni okwamanje. Ngakho-ke, kufaneleke kakhulu ngenani lama-organic esters ukubala i-4 kuye ku-6% yenani lengilazi yamanzi.

Indlela eyinkimbinkimbi yokwenza lukhuni inganikeza ukudlala okugcwele ezinzuzweni ezimbili ze-CO2 ukuqina nokuqina kwe-organic ester, futhi ingasebenza ngokuphelele ngomphumela wokuhlanganisa ingilazi yamanzi ukufeza isivinini sokwenza lukhuni ngokushesha, ukukhishwa kwesikhunta kwangaphambi kwesikhathi, amandla amakhulu, ukubambeka okuhle, nezindleko eziphansi. Umphumela ophelele.

Kodwa-ke, inqubo yokuqinisa i-CO2-organic ester composite idinga ukwengeza ingilazi yamanzi engu-0.5 kuye ku-1% kunendlela elula yokwenza u-ester organic, ezokwandisa ubunzima bokuvuselelwa kwesihlabathi sengilazi samanzi esisetshenzisiwe.

6 Kungani kulula ukukhiqiza isihlabathi esinamathelayo lapho inqubo ye-sodium silicate sand isetshenziselwa ukukhiqiza insimbi? Ungakuvimbela kanjani?

Lapho isikhunta sesihlabathi (umgogodla) esenziwe ngesihlabathi se-sodium silicate sisetshenziselwa ukuthela izinsimbi, kuvame ukukhiqizwa isihlabathi esinamathelayo, esikhawulela ukusebenza kwaso ekukhiqizeni insimbi yensimbi.

I-Na2O, i-SiO2 esandeni se-sodium silicate kanye ne-iron oxide ekhiqizwa yinsimbi ewuketshezi ngesikhathi sokuthela ifiliksi encibilika kancane. Njengoba kushiwo ngaphambili, uma le nhlanganisela iqukethe ingilazi yefusible ethe xaxa, amandla okubopha phakathi kwalolu ungqimba lwengilazi kanye nobuso bokuphonsa mancane kakhulu, futhi i-coefficient yokuncipha yehlukile kunensimbi. Ukucindezela okukhulu kulula ukukukhipha ebusweni bokuphonsa ngaphandle kokunamathela kwesihlabathi. Uma i-compound eyakhiwe ebusweni bokuphonsa inokuqukethwe okuphezulu kwe-SiO2 nokuqukethwe okuphansi kwe-FeO, MnO, njll. .

Lapho kusetshenziswa isihlabathi se-sodium silicate ukukhiqiza ukusakazwa kwensimbi, ngenxa yethempeli lokuthela okuphansi nokuqukethwe kwekhabhoni okuphezulu okusansimbi, i-iron ne-manganese akwenziwa i-oxidized kalula, futhi ungqimba lwesihlabathi olunamathelayo lunesakhiwo se-crystalline, futhi kunzima ukusungula ungqimba ofanele phakathi kokuphonswa kwensimbi nongqimba lwesihlabathi olunamathelayo. Ubukhulu besendlalelo se-iron oxide buhlukile kunesihlabathi se-resin phakathi kokuphonswa kanye nongqimba lwesihlabathi olunamathelayo, olungakhiqiza ifilimu ekhanyayo yekhabhoni ngokusebenzisa i-resin pyrolysis lapho ikhiqiza ukusakaza kwensimbi, ngakho-ke ungqimba lwesihlabathi olunamathelayo akulula ukususa.

Ukuze uvimbele ukukhiqizwa kwesihlabathi sengilazi samanzi kusuka ekukhiqizweni kokufakwa kwensimbi, kungasetshenziswa ukumbozwa okufanelekile. Njengopende osuselwa emanzini, ingaphezulu lidinga ukomiswa ngemuva kokupenda, ngakho-ke upende owomisa utshwala osheshayo ungcono kakhulu.

Ngokuvamile, ukusakazwa kwensimbi kungangeza nenani elifanele lempuphu yamalahle (njenge-3% kuye ku-6%) (ingxenyenamba yesisindo) esihlabathini se-sodium silicate, ukuze i-pyrolysis yempuphu yamalahle phakathi kokuphonsa nongqimba lwesihlabathi ikhiqize ifilimu ekhanyayo yekhabhoni. Ayinamanziswa yinsimbi nama-oxide ayo, ukuze ungqimba lwesihlabathi olunamathelayo luxebuleke kalula ekusakazweni.

7 Ngabe isihlabathi se-sodium silicate kulindeleke ukuthi sibe isihlabathi sokubumba esinobungani bemvelo ngaphandle kokuchithwa kwesihlabathi semfucuza?

Ingilazi yamanzi ayinambala, ayinaphunga, futhi ayinabuthi. Ngeke kubangele izinkinga ezinkulu uma kuthinta isikhumba nezingubo kanye nokuhlanza ngamanzi, kepha kufanele kugwenywe ukusakazeka emehlweni. Ingilazi yamanzi ayinamagesi acasulayo noma ayingozi akhishwe ngesikhathi sokuhlanganiswa kwesihlabathi, ukumodeliswa, ukuqina nokuthela, futhi akukho ukungcola okumnyama ne-asidi. Kodwa-ke, uma inqubo ingalungile futhi kufakwa i-sodium silicate eningi kakhulu, ukungqubeka kwesihlabathi se-sodium silicate ngeke kube kuhle, futhi uthuli luzondiza ngesikhathi sokuhlanzwa kwesihlabathi, nakho okuzodala ukungcola. Ngasikhathi sinye, kunzima ukuvuselela isihlabathi esidala, futhi ukukhishwa kwesihlabathi semfucuza kubangela ukungcoliswa kwe-alkaline emvelweni.

Uma lezi zinkinga ezimbili zinganqotshwa, isihlabathi se-sodium silicate singaba isihlabathi sokubumba esinobungozi bemvelo ngaphandle kokuchithwa kwesihlabathi semfucuza.

Isinyathelo esiyisisekelo sokuxazulula lezi zinkinga ezimbili ukwehlisa inani lengilazi yamanzi engezwe ngaphansi kuka-2%, ongasusa isihlabathi ngokuyisisekelo. Lapho inani lengilazi yamanzi elengeziwe lincishisiwe, iNa2O eyinsalela esihlabathini esidala nayo iyancipha. Usebenzisa indlela elula yokuvuselela eyomile, kungenzeka ukugcina i-Na2O eyinsalela esihlabathini esijikelezayo ngaphansi kuka-0.25%. Lesi sihlabathi esibuyisiwe singahlangabezana nezidingo zesicelo sesihlabathi sokubumba esisodwa sezinsimbi zensimbi ezincane naphakathi nendawo. Ngalesi sikhathi, noma ngabe isihlabathi sakudala se-sodium silicate singasebenzisi indlela emanzi ebizayo futhi eyinkimbinkimbi yokuzivuselela, kepha kusetshenziswa indlela elula futhi eshibhile eyomile, ingavuselelwa kabusha ngokugcwele, ngokuyisisekelo asikho isihlabathi semfucuza esikhishelwayo, futhi isilinganiso kwesihlabathi kusansimbi Kungancishiswa kube ngaphansi kuka-1: 1.

8 Ungayivuselela kanjani ngempumelelo isihlabathi se-sodium silicate?

Uma iNa2O eyinsalela esihlabathini esidala se-sodium silicate iphezulu kakhulu, ngemuva kokufaka i-sodium silicate esihlabathini, isihlabathi sokubumba ngeke sibe nesikhathi esanele sokusebenziseka, futhi ukunqwabelana kweNa2O eningi kakhulu kuzokonakalisa ukuphindeka kwesihlabathi se-quartz. Ngakho-ke, iNa2O eyinsalela kufanele isuswe ngangokunokwenzeka lapho kuvuselelwa isihlabathi esisetshenzisiwe se-sodium silicate.

Sicela ugcine umthombo nekheli lale ndatshana ukuze uphinde uprintwe:Izinkinga eziningana okufanele zinakwe ekubunjweni kwesihlabathi se-sodium silicate

UMinghe Inkampani yeDie Casting anikezelwe ekukhiqizeni nasekuhlinzekeni ikhwalithi nokusebenza okuphezulu Izingxenye Zokulingisa (izingxenye zensimbi zensimbi zokufa zisebenza ikakhulukazi zibandakanya I-Thin-Wall Die Casting,I-Hot Chamber Die Casting,Cold Chamber die Casting), Insizakalo Eyindilinga (Insiza Yokulingisa,ICnc Machining,Ukwenza Okubandayo, Surface Treatment) .Noma ikuphi ukusakazwa kwe-Aluminium die, i-magnesium noma i-Zamak / zinc die casting nezinye izidingo zokuphosa zamukelekile ukuxhumana nathi.

Ngaphansi kokulawulwa kwe-ISO9001 ne-TS 16949, Zonke izinqubo zenziwa ngamakhulu emishini esezingeni eliphakeme yokufa, imishini ye-5-axis, nezinye izikhungo, ezisukela kuma-blasters kuya kumishini yokuwasha ye-Ultra Sonic.Minghe akagcinanga ngemishini esezingeni eliphezulu kepha futhi unobuchwepheshe iqembu lonjiniyela abanolwazi, ama-opharetha nabahloli ukwenza ukwakheka kwekhasimende kugcwaliseke.

Umenzi wenkontileka yokufa kwabasikiwe. Amandla afaka izingxenye ezibandayo ze-aluminium die casting ezivela ku-0.15 lbs. kuye ku-6 lbs., Ukusetha ushintsho olusheshayo, nemishini. Izinsizakalo ezingezwe ngenani zifaka phakathi ukupholisha, ukudlidliza, ukuphazamisa, ukuqhumisa ngokudubula, ukupenda, ukuhlobisa, ukumboza, ukuhlangana nokusetshenziswa kwamathuluzi. Izinto zokusebenza ezisetshenzisiwe zifaka ama-alloys afana no-360, 380, 383, no-413.

I-Zinc die casting design usizo / izinsizakalo zobunjiniyela ezihambisanayo. Umenzi wangokwezifiso we-precision zinc die castings. Ukusakazwa okuncane, ukukhishwa kwengcindezi ephezulu, ukusikeka kwesikhunta esiningi, ukujikijelwa kwesikhunta okuvamile, ukufefa kwamayunithi kanye nokuzimela okuzimele kanye nokuvalwa okuvaliwe komgodi kungenziwa. Ama-Castings angenziwa ngobude nobubanzi obufinyelela ku-24 in. Ku +/- 0.0005 in. Ukubekezelelana.  

I-ISO 9001: Umkhiqizi oqinisekisiwe ka-2015 we-die cast magnesium, Amandla afaka i-high-pressure magnesium die casting up to 200 ton chamber hot & 3000 ton cold chamber, designing designing, polishing, molding, machining, powder & liquid paint, QA full with CMM amakhono , inhlangano, ukupakisha nokulethwa.

Kuqinisekiswe i-ITAF16949. Insiza Eyengeziwe Yokulingisa Faka ukukhipha utshalomali,ukuphonsa kwesihlabathi,Ukuphonswa kwamandla, Lost Foam Ekubunjweni,I-Centrifugal Casting,Ukuphoswa Kokuqothula,Permanent Isikhunta Ukulingisa, Amakhono afaka i-EDI, usizo lobunjiniyela, ukumodeliswa okuqinile nokucutshungulwa kwesibili.

Izimboni Zokulingisa Izingxenye Zamacala Ezifundo Zezimoto: Izimoto, Amabhayisikili, Izindiza, Izinsimbi Zomculo, I-Watercraft, Amadivayisi we-Optical, Izinzwa, Amamodeli, Amadivayisi we-elekthronikhi, Ukuvaleka, Amawashi, Imishini, Izinjini, Ifenisha, Ubucwebe, AmaJig, Telecom, Ukukhanyisa, Amadivayisi Wezokwelapha, amadivayisi wezithombe, Amarobhothi, okubaziwe, okokusebenza komsindo, okwezemidlalo, i-Tooling, Amathoyizi nokuningi. 

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By Umkhiqizi weMinghe Die Casting | Izigaba: Izindatshana Eziwusizo |Material Omaka: I-Aluminium Casting, Zinc Ukulingisa, Ukulingiswa kweMagnesium, I-Titanium Casting, Insimbi Engagqwali, Brass Ekubunjweni,Ukulingiswa kweBronze,Isakaza ividiyo,Umlando wenkampani,I-Aluminium Die Casting | Amazwana Off