Mathata a 'maloa a lokelang ho ela hloko ho lahla lehlabathe la silicate

1 Ke mabaka afe a amang "ho tsofala" ha khalase ea metsi? U ka felisa joang "botsofali" ba khalase ea metsi?
 
Khalase ea metsi e sa tsoa lokisoa ke tharollo ea 'nete. Leha ho le joalo, nakong ea ts'ebetso ea polokelo, asiti ea silicic ka khalase ea metsi e tla kenella ka har'a condensation, eo butle-butle e tla tloha ho tloha tharollong ea 'nete ho ea tharollong ea methapo ea methapo ea methapo,' me qetellong e fetohe gelisi ea asiti. Ka hona, khalase ea metsi ha e le hantle ke motsoako o fapaneng o entsoeng ka polysilicic acid e nang le likhato tse fapaneng tsa ho fetisa polymerization, e anngoeng habonolo ke modulus, mohopolo, mocheso, sehlahisoa sa elektrolyte le nako ea polokelo.

Nakong ea polokelo, limolek'hule tsa khalase ea metsi li kenella ka har'a polase ea condensation ho theha gel, 'me matla a eona a ho tlama a fokotseha butle-butle ka katoloso ea nako ea polokelo. Ketsahalo ena e bitsoa "botsofali" ba khalase ea metsi.

Ketsahalo ea "botsofali" e ka hlalosoa ke lintlha tse peli tse latelang tsa tlhaiso-leseling: khalase ea metsi e phahameng (M = 2.89, ρ = 1.44g / cm3) kamora matsatsi a 20, 60, 120, 180, 240 a polokelo, CO2 e thatafetse khalase ea metsi e fefoloa Matla a ommeng a lehlabathe a ts'oanang ka mokhoa o ts'oanang ka 9.9%, 14%, 23.5%, 36.8% le 40%; low modulus sodium silicate (M = 2.44, ρ = 1.41g / cm3) e bolokiloe matsatsi a 7, 30, 60 le 90 kamora ho omisoa. Matla a matla a fokotsehile ka 4.5%, 5%, 7.3% le 11% ka ho latellana.

Nako ea polokelo ea khalase ea metsi e na le phello e nyane ho matla a pele a lehlabathe la metsi le thatafatsang ester, empa e na le phello e kholo ho matla a morao. Ho latela litekanyo, e fokotsoe ka 60% bakeng sa khalase e phahameng ea metsi, le 15-20% bakeng sa khalase e tlase ea metsi. . Matla a setseng a fokotseha ka katoloso ea nako ea polokelo.

Nakong ea polokelo ea khalase ea metsi, polycondensation le depolymerization ea polysilicic acid li tsoela pele ka nako e le 'ngoe, boima ba limolek'hule ha bo aroloe, mme qetellong ho na le sistimi e hasantsoeng ka bongata eo monoorthosilicic acid le colloidal particles li kopanang. Ka mantsoe a mang, nakong ea botsofali ba khalase ea metsi, tekanyo ea polymerization ea asiti ea silicic ha e aroloe, 'me litaba tsa monoorthosilicic acid le polysilicic acid e phahameng lia eketseha ka nako ea polokelo. Ka lebaka la condensation polymerization le depolymerization reaction ea khalase ea metsi nakong ea polokelo, matla a tlamo a fokotsehile, ke hore, ts'ebetso ea "botsofali" e ea etsahala.

Mabaka a mantlha a amang "ho tsofala" ha khalase ea metsi ke: nako ea polokelo, modulus le mohopolo oa khalase ea metsi. Ha nako ea polokelo e le telele, modulus e phahame le ho tsepamisa mohopolo haholoanyane, "botsofali" bo tebile le ho feta.

Khalase ea metsi e teng khale e ka fetoloa ka mekhoa e fapaneng ho felisa "botsofali" le ho khutlisetsa khalase ea metsi ts'ebetsong ea khalase ea metsi a hloekileng:

1. Phetoho ea 'mele

Ho tsofala ha khalase ea metsi ke mokhoa o iketsang o hlahisang matla butle-butle. Phetoho ea 'mele ea khalase ea metsi "e tsofetseng" ke ho sebelisa matla a khoheli, ultrasound, maqhubu a phahameng kapa ho futhumatsa ho fana ka matla tsamaisong ea khalase ea metsi le ho khothaletsa ho fetisa haholo ha sekhomaretsi sa polysilicate. Likaroloana li boetse li nyenyefatsa le ho khothaletsa homogenization ea molek'hule ea polysilicic acid, ka tsela eo e felisa ts'ebetso ea botsofali, e leng mochini oa phetoho ea 'mele. Mohlala, kamora kalafo ka matla a khoheli, matla a lehlabathe la silicate le eketsehile ka 20-30%, palo ea sodium silicate e ekelitsoe e fokotsoe ka 30-40%, CO2 e bolokiloe, collapsibility e ntlafalitsoe, 'me ho na le tse ntle melemo ea moruo.

Bothata ba phetoho ea 'mele ke hore ha e tšoarelle,' me matla a kopanyang a tla fokotseha ha a bolokoa kamora kalafo, ka hona e loketse ho sebelisoa kapele kamoo ho ka khonehang kamora kalafo seterekeng. Haholo-holo bakeng sa khalase ea metsi e nang le M> 2.6, bongata ba limolek'hule tsa silicic acid bo boholo, 'me kamora phetoho ea' mele le depolymerization, e tla polycondensate kapele. Ho molemo ho e sebelisa hang ka mor'a kalafo.

2. Phetoho ea lik'hemik'hale

Phetoho ea lik'hemik'hale ke ho eketsa likhakanyo tse nyane khalase ea metsi, metsoako ena kaofela e na le carboxyl, amide, carbonyl, hydroxyl, ether, amino le lihlopha tse ling tsa pola, tse phatlalalitsoeng ka limolek'hule tsa silicic acid kapa li-colloidal particles ka li-hydrogen bond kapa static motlakase. Bokaholimo, fetola matla a eona a holimo le matla a ho rarolla mathata, ho ntlafatsa botsitso ba polysilicic acid, ka tsela eo ho thoe "botsofali" bo tsoele pele.

Mohlala, ho eketsa polyacrylamide, starch e fetotsoeng, polyphosphate, jj ho khalase ea metsi ho ka fihlela litholoana tse ntle.

Ho kenyelletsa lintho tse entsoeng ka khalase khalase e tloaelehileng ea metsi kapa khalase ea metsi e fetotsoeng e ka bapala mesebetsi e fapaneng, joalo ka: ho fetola litšobotsi tsa phallo ea viscous ea khalase ea metsi; ho ntlafatsa ts'ebetso ea mmotlolo oa metsoako ea khalase ea metsi; ho eketsa matla a kopanyang ho etsa hore khalase ea metsi e kenyelletsoe ka botlalo Chelete e fokotsehile; polasetiki ea gelisi ea silicic acid e ntlafalitsoe; matla a setseng a fokotsehile, e le hore lehlabathe la khalase ea metsi le tšoanelehe haholoanyane bakeng sa lits'epe tsa tšepe le li-alloys tse se nang litšepe.

3. Phetoho ea 'mele le ea lik'hemik'hale

Phetoho ea 'mele e loketse khalase ea metsi ea "ba tsofetseng",' me e ka sebelisoa hanghang kamora phetoho. Phetoho ea lik'hemik'hale e loketse ho sebetsana le khalase ea metsi a hloekileng, 'me khalase ea metsi e fetotsoeng e ka bolokoa nako e telele. Motsoako oa phetolo ea 'mele le phetoho ea lik'hemik'hale li ka etsa hore khalase ea metsi e be le phetoho e tšoarellang. Mohlala, ho eketsa polyacrylamide ho autoclave ho fetola khalase ea "botsofali" ho na le phello e ntle. Har'a bona, khatello le khatello ea autoclave lia sebelisoa. Ho hlohlelletsa ke phetoho ea 'mele, mme ho eketsa polyacrylamide ke phetoho ea lik'hemik'hale.

2 U ka thibela joang moea o thata oa CO2 o otlang bokahare ba lehlabathe?

Kamora hore lehlabathe la soda le nang le soda le fefoe le tiisitsoe ke CO2 'me e siuoe nako e telele, ka linako tse ling ntho e kang serame se tla hlaha holim'a hlobo e tlase, e tla fokotsa matla a sebaka seo le ho hlahisa lehlabathe habonolo. ho hlatsoa liphoso nakong ea ho tšela. Ho latela tlhahlobo, karolo ea mantlha ea ntho ena e tšoeu ke NaHCO3, e ka bakoang ke mongobo o feteletseng kapa CO2 lehlabatheng la sodium silicate. Karabelo ke e latelang:

　　Na2CO3 + H2O → NaHCO3 + NaOH

　　Na2O+2CO2+H2O→2NaHCO3

　　NaHCO3 e tloha habonolo e ea kantle ka mongobo, e baka phofshoana joalo ka serame holima hlobo le khubung.

Tharollo ke e latelang:

　　 1. Laola mongobo oa lehlabathe la sodium silicate hore le se ke la phahama haholo (haholo nakong ea lipula le mariha).

　　2. Nako ea ho letsa CO2 ha ea lokela ho ba telele haholo.

　　 3. Foromo e thatafetseng le mokokotlo ha lia lokela ho beoa nako e telele, 'me li lokela ho boptjoa ebe li tšeloa ka nako.

　　4. Ho eketsa ka 1% (karoloana ea boima) ea sirapo e nang le letsoalo la 1.3g / cm3 lehlabatheng la sodium silicate e ka thibela bokantle ba phofo.

3 U ka ntlafatsa joang ho kenella ha mongobo molemong oa hlobo ea khalase ea lehlabathe la metsi (konokono)?

Motsoako oa lehlabathe la khalase ea metsi o tiisitsoeng ke CO2 kapa mekhoa ea ho futhumatsa e kopane ka hlobo ea letsopa. Haeba e sa tšeloe ka nako, matla a mokokotlo oa lehlabathe a tla fokotseha haholo, eseng feela hore e ka khasa kapa ea putlama; e bolokiloe tikolohong e mongobo Matla a mokokotlo oa lehlabathe le ona a fokotsehile haholo. Tafole ea 1 e bonts'a boleng ba matla ba CO2 e thata ea khalase ea samente ea metsi ha e beoa tikolohong e nang le mongobo o lekanang oa 97% lihora tse 24. Lebaka la ho felloa ke matla ha le bolokiloe tikolohong e mongobo ke ka lebaka la phepelo ea metsi ea khalase ea metsi ea sodium. Na + le OH— ka matrix a sodium silicate binder a monya mongobo 'me a senya matrix, qetellong a roba tlamo ea silicon-oksijene Si-O-Si, e lebisang ho fokotseheng ho hoholo ha matla a kopanyang a lehlabathe la sodium silicate.

1. Khalase ea metsi ea lithium e eketsoa khalase ea metsi ea sodium, kapa Li2CO3, CaCO3, ZnCO3 le lisebelisoa tse ling tse sa sebetsoeng li eketsoa khalase ea metsi ea sodium, hobane li-carbonates le li-silicates tse batlang li sa qhalehe li ka theoa, 'me li-ion tsa sodium li ka fokotsoa Ka hona, mongobo khanyetso e kenang ea binder ea khalase ea metsi e ka ntlafatsoa.

2. Kenya palo e nyane ea lintho tse entsoeng ka lintho tse phelang kapa lintho tse phelang ka tšebetso ea surfactant khalase ea metsi ea sodium. Ha binder e thatafetse, hydrophilic Na + le OH- ions tse ka khalase ea metsi ea sodium li ka nkeloa sebaka ke lihlopha tsa manyolo a hydrophobic, kapa li kopantsoe hammoho, setsi se senotsoeng sa hydrophobic se ntlafatsa ho monya mongobo.

3. Ntlafatsa modulus ea khalase ea metsi, hobane khanyetsano ea mongobo oa khalase ea metsi e phahameng e matla ho feta ea khalase ea metsi e tlase.

4. Kenya starch hydrolyzate ho lehlabathe la silicate ea sodium. Mokhoa o betere ke ho sebelisa starch hydrolyzate ho fetola khalase ea metsi ea sodium.

4 Ke litšobotsi life tsa mochini o kopaneng oa khalase ea metsi a thata ea khalase ea alkaline ea phenolic resin?

Lilemong tsa morao tjena, e le ho ntlafatsa boleng ba litšepe tse entsoeng ka tšepe, likhoebo tse ling tse nyane le tse mahareng li hloka ho potlakela ho amohela ts'ebetso ea lehlabathe. Leha ho le joalo, ka lebaka la matla a fokolang a moruo, ba sitoa ho reka lisebelisoa tsa ho nchafatsa lehlabathe, 'me lehlabathe la khale le ke ke la sebelisoa bocha, ho baka litšenyehelo tse phahameng tsa tlhahiso. Bakeng sa ho fumana mokhoa o atlehang oa ho ntlafatsa boleng ba castings ntle le ho eketsa litšenyehelo haholo, litšobotsi tsa ts'ebetso ea CO2 e butsoitseng lehlabathe le tiileng la sodium silicate le CO2 e butsoitseng lehlaka le thata la alkaline phenolic lehlabathe e ka kopanngoa, mme CO2 e bulang sodium silicate e thata-alkaline phenic resin e ka sebelisoa. Ts'ebetso ea lehlabathe e kopanyang e sebelisa lehlabathe la alkaline phenolic resin joalo ka lehlabathe le kaholimo le lehlabathe la metsi joalo ka lehlabathe le ka morao, ha le ntse le foka CO2 bakeng sa ho thatafala.

Lehoakhoa la phenolic le sebelisitsoeng lehlabatheng la CO2-alkaline phenolic resin le entsoe ka polycondensation ea phenol le formaldehyde tlasa tšebetso ea sethothetsi se matla sa alkaline le ho eketsa moemeli oa coupling. Boleng ba eona ba PH ke ≥13, 'me viscosity ea eona ke ≤500mPa • s. Palo ea phenic resin e kenyellelitsoeng lehlabatheng ke 3% ho isa ho 4% (karoloana ea boima). Ha sekhahla sa phallo ea CO2 e le 0.8 ~ 1.0m3 / h, nako e nepahetseng ea ho foka ke 30 ~ 60s; haeba nako ea ho letsa e le khutšoane haholo, matla a thatafatsang a mantlha a lehlabathe a tla ba tlase; haeba nako ea ho letsa e le telele haholo, matla a mokokotlo oa lehlabathe a ke ke a eketseha, mme ke tšenyo ea moea.

CO2 - Alkaline phenolic resin lehlabathe ha e na lintho tse kotsi joalo ka N, P, S, jj. likhase tse kotsi tse kang H2S le SO2 ha li lokolloe nakong ea tšollo, e leng molemo molemong oa ts'ireletso ea tikoloho; Ho oela hantle, ho bonolo ho e hloekisa; phahameng tlhakore ho nepahala; tlhahiso e phahameng ea tlhahiso.

Ts'ebetso e kopantsoeng ea likhalase tsa metsi tse thata tsa khalase ea alkaline ea phenolic ea lehloa e ka sebelisoa haholo ho li-castings tsa tšepe, li-castings tsa tšepe, lits'epe tsa koporo le li-cast cast tsa alloy.

Ts'ebetso e kopaneng ke ts'ebetso e bonolo ebile e bonolo. Ts'ebetso e tjena: pele kopanya lehlabathe la lehoakhoa le lehlabathe la sodium silicate ka thoko, ebe o li kenya ka linkho tse peli tsa lehlabathe; joale eketsa lehlabathe le tsoakiloeng joaloka lehlabathe le ka holim'a lebokose la lehlabathe Le ponto, botenya ba lera la lehlabathe le kaholimo ka kakaretso ke 30-50mm; joale lehlabathe la khalase ea metsi lea eketsoa ho etsa hore lehlabathe le ka morao le tlatse le ho kopana; qetellong, khase ea CO2 e fefoloa ka hlobo hore e thatafale.

Bophara ba tube e bulang ka kakaretso ke 25mm, 'me bophara bo thata ke makhetlo a ka bang 6 bophara ba tube e butsoang.

Nako ea ho foka e latela boholo, sebōpeho, phallo ea khase, le sebaka sa polaka ea mokelikeli oa hlobo ea lehlabathe (konokono). Ka kakaretso, nako ea ho letsa e laoloa nakong ea 15 ~ 40s.

Kamora ho letsa hlobo e thata ea lehlabathe (konokono), hlobo e ka nkuoa. Matla a hlobo ea lehlabathe (mantlha) a nyoloha kapele. Hlatsoa pente nakong ea halofo ea hora kamora ho nka hlobo, ebe u koala lebokose hore le tšeloe kamora lihora tse 4.

Ts'ebetso e kopaneng e loketse haholo-holo limela tse lahlang tšepe tse se nang lisebelisoa tsa ho nchafatsa lehlabathe hape li hloka ho hlahisa litšepe tsa boleng bo holimo. Ts'ebetso ena e bonolo ebile e bonolo ho e laola, 'me boleng ba li-castings tse hlahisitsoeng bo lekana le ba li-castings tse ling tsa lehlabathe.

CO2 e butsoelang lehlabathe le thata la sodium silicate le eona e ka kopantsoe le CO2 e butsoitseng lehlaka le thata la polyacrylate lehlabathe bakeng sa tlhahiso ea likarolo tse fapaneng tsa boleng bo holimo.

5 Melemo le likotsi tsa ts'ebetso ea CO2-organic ester composite e thatafalitsoeng ke lehlabathe ke eng?

Lilemong tsa morao tjena, ts'ebetso ea CO2-organic ester composite e thata ea lehlabathe ea silicate e na le mokhoa oa ho holisa lits'ebetso. Ts'ebetso e ka tsela e latelang: eketsa ester e itseng ea organic nakong ea ho tsoaka lehlabathe (hangata halofo ea chelete e tloaelehileng e hlokahalang kapa 4 ~ 6% ea boima ba khalase ea metsi); kamora hore mohlala o phetheloe, phunya CO2 ho thatafalletsa matla a tokollo ea hlobo (khatello ea khatello e hlokahala ka kakaretso) Matla a ka ba 0.5MPa); kamora ho heletsoa, ​​ester ea manyolo e ntse e tsoela pele ho thatafala, 'me matla a lehlabathe le bōpehang a nyoloha ka lebelo le phahameng; kamora hore CO2 e fefoe ebe e beoa bakeng sa 3 ~ 6h, hlobo ea lehlabathe e ka kopanngoa le ho tšeloa.

Mochini o thatafatsang ke:

Ha lehlabathe la khalase ea metsi le foka CO2, tlasa tšebetso ea phapang ea khatello ea khase le phapang ea mahloriso, khase ea CO2 e tla leka ho phalla ka nqa tsohle tsa lehlabathe le etsang. Kamora hore khase ea CO2 e kopane le khalase ea metsi, e sebetsana hanghang le eona ho theha gel. Ka lebaka la phello ea ho hasana, karabelo e lula e le kantle ho ea kahare, 'me lera le ka ntle le qala ho theha filimi ea gel, e thibelang khase ea CO2 le khalase ea metsi ho tsoela pele ho arabela. Ka hona, ka nako e khuts'oane, ho sa tsotelehe mokhoa o sebelisitsoeng ho laola khase ea CO2, ho ke ke ha khoneha ho e etsa hore e sebetse ka likhalase tsohle tsa metsi. Ho ea ka tlhahlobo, ha lehlabathe le bopehang le fihlella matla a ho foka ka ho fetesisa, khalase ea metsi e sebelisitsoeng ka khase ea CO2 e ka ba 65%. Sena se bolela hore khalase ea metsi ha e sebetse ka botlalo, 'me bonyane 35% ea khalase ea metsi ha e sebetse. Sesebelisoa sa li-organic ester se ka theha motsoako o tšoanang le binder, mme e ka fana ka papali e felletseng ho matla a tlamang a binder. Likarolo tsohle tsa lehlabathe la mantlha li aha matla ka lebelo le le leng.

Ho eketsa bongata ba khalase ea metsi ho tla eketsa matla a ho qetela a hlobo ea lehlabathe, empa matla a eona a setseng le ona a tla eketseha, a etse hore ho be thata ho hloekisa lehlabathe. Ha palo e ekelitsoeng ea khalase ea metsi e le nyane haholo, matla a hoqetela a manyane haholo mme a ke ke a fihlela litlhoko tsa ts'ebeliso. Tlhahisong ea 'nete, boholo ba khalase ea metsi e kenyellelitsoeng ka kakaretso e laoloa ka 4%.

Ha o sebelisa organic ester feela ho thatafatsa, palo e akaretsang ea organic ester e ekelitsoe ke 8-15% ea palo ea khalase ea metsi. Ha ho sebelisoa ho thatafala ha likarolo tse ngata, ho hakanngoa hore halofo ea khalase ea metsi e thatafalitsoe ha CO2 e foka, mme halofo ea khalase ea metsi ha e so tiee. Ka hona, ho loketse haholo palo ea li-organic esters ho ikarabella bakeng sa 4 ho isa ho 6% ea palo ea khalase ea metsi.

Mokhoa oa ho thatafatsa o ka fana ka papali e felletseng ho melemo e 'meli ea ho thatafatsa ha CO2 le ho thatafatsa li-organic ester,' me e ka sebelisa matla a khokahano ea khalase ea metsi ho fihlela lebelo le thata la ho thatafatsa, hlobo ea pele ea hlobo, matla a holimo, ho oela hantle le theko e tlase. Phello e phethahetseng.

Leha ho le joalo, ts'ebetso ea ho thatafatsa ha CO2-organic ester composite e hloka ho eketsa khalase ea metsi e 0.5 ho isa ho 1% ho feta mokhoa o bonolo oa ho thatafatsa ester, o tla eketsa bothata ba ho nchafatsa lehlabathe la khalase ea metsi.

6 Hobaneng ha ho le bonolo ho hlahisa lehlabathe le khomarelang ha ts'ebetso ea lehlabathe la silicate e sebelisoa ho hlahisa litšepe? U ka e thibela joang?

Ha hlobo ea lehlabathe (ea mantlha) e entsoe ka lehlabathe la sodium silicate e sebelisetsoa ho tšela tšepe ea tšepe, hangata ho hlahisoa lehlabathe le tiileng, le thibelang ts'ebeliso ea lona tlhahiso ea tšepe.

Na2O, SiO2 ka lehlabatheng la sodium silicate le oxide ea tšepe e hlahisoang ke tšepe ea mokelikeli nakong ea ho tšollela silicate e qhibilihang ka tlase. Joalokaha ho boletsoe pejana, haeba komponeng ena e na le khalase e ngata ea fusible amorphous, matla a kopanyang lipakeng tsa lera lena la khalase le bokaholimo ba samente e nyane haholo, mme sekhahla sa shrinkage se fapane le sa tšepe. Khatello ea maikutlo e kholo e bonolo ho e tlosa holim'a sefahleho ntle le ho khomarela lehlabathe. Haeba komponeng e entsoeng ka holim'a samente e na le litaba tse ngata tsa SiO2 le litaba tse tlase tsa FeO, MnO, jj. .

Ha lehlabathe la sodium silicate le sebelisoa ho hlahisa litšepe, ka lebaka la mocheso o tlase o tšollang le khabone e ngata ea tšepe, tšepe le mankanese ha li na oxidized habonolo, 'me lera la lehlabathe le khomarelang le na le sebopeho sa kristale,' me ho thata ho theha lera le loketseng lipakeng tsa litšepe le litšepe tse khomarelang. Botenya ba lera la tšepe ea oxide bo fapane le lehlabathe le nang le lehoakhoa pakeng tsa ho betloa le lera la lehlabathe le khomarelang, le ka hlahisang filimi e khanyang ea khabone ka lehoakhoa la pyrolysis ha le hlahisa litšepe tsa tšepe, ka hona ha ho bonolo ho tlosa lera la lehlabathe le khomarelang.

Bakeng sa ho thibela tlhahiso ea lehlabathe la khalase ea metsi a soda ho tsoa tlhahiso ea tšepe, ho ka sebelisoa liaparo tse loketseng. Joalo ka pente e thehiloeng metsing, bokaholimo bo hloka ho omisoa kamora ho penta, ka hona pente ea ho omisa ka potlako ea joala e molemo ka ho fetisisa.

Ka kakaretso, castings tšepe ka boela eketsa palo e loketseng ea phofo ea mashala (tse kang 3% ho 6%) (boima karoloana) ho lehlabathe sodium silicate, e le hore pyrolysis ea phofo mashala pakeng tsa lahla le lera lehlabathe ka hlahisa filimi e khanyang ea khabone. Ha e kolobisoe ke tšepe le li-oxide tsa eona, e le hore lera la lehlabathe le khomarelang le hlajoe habonolo ha le lahloa.

7 Na lehlabathe la sodium silicate le lebelletsoe hore le be lehlabathe le botsoalle ba tikoloho ntle le litšila tsa lehlabathe?

Khalase ea metsi ha e na mmala, ha e na monko ebile ha e na chefo. E ke ke ea baka mathata a tebileng haeba e ka ama letlalo le liaparo le li-rinses ka metsi, empa e tlameha ho qojoa hore e phatlohe ka mahlong. Khalase ea metsi ha e na likhase tse halefisang kapa tse kotsi tse lokolloang nakong ea ho tsoaka ha lehlabathe, ho etsa mohlala, ho thatafatsa le ho tšoloha, 'me ha ho na tšilafalo e ntšo le acid. Leha ho le joalo, haeba ts'ebetso e sa nepahala mme ho eketsoa silicate ea sodium e ngata haholo, ho putlama ha lehlabathe la sodium silicate ho ke ke ha loka, 'me lerōle le tla fofa nakong ea ho hloekisa lehlabathe, le lona le tla baka tšilafalo. Ka nako e ts'oanang, ho thata ho nchafatsa lehlabathe la khale, 'me ho tsoa ha lehlabathe la litšila ho baka tšilafalo ea alkaline tikolohong.

Haeba mathata ana a mabeli a ka hlola, lehlabathe la sodium silicate le ka fetoha lehlabathe le botsoalle ba tikoloho ntle le litšila tsa lehlabathe.

Mohato oa mantlha oa ho rarolla mathata ana a mabeli ke ho fokotsa bongata ba khalase ea metsi e kentsoeng ka tlase ho 2%, e ka sisinyang lehlabathe. Ha palo ea khalase ea metsi e eketsoa e fokotsehile, masala a Na2O lehlabatheng la khale le ona aa fokotseha. U sebelisa mokhoa o batlang o le bonolo oa ho nchafatsa bocha, ho a khonahala ho boloka masalla a Na2O lehlabatheng le potang ka tlase ho 0.25%. Lehlabathe lena le pholositsoeng le ka fihlela litlhokahalo tsa kopo ea lehlabathe le le leng la hlobo bakeng sa li-castings tse nyane le tse mahareng tsa tšepe. Ka nako ena, le ha lehlabathe la khale la sodium silicate le sa sebelise mokhoa o theko e boima ebile o le thata ho o nchafatsa, empa ho sebelisoa mokhoa o bonolo le o theko e tlase, o ka sebelisoa bocha ka botlalo, ha ho na lehlabathe la litšila le tsoang, 'me karolelano ea lehlabathe ho tšepe e ka fokotsoa hore e be tlase ho 1: 1.

8 U ka nchafatsa joang lehlabathe la silicate ea sodium?

Haeba masalla a Na2O a lehlabatheng la khale la sodium silicate a phahame haholo, kamora ho eketsa silicate ea lehlabathe lehlabatheng, lehlabathe le ke ke la ba le nako e lekaneng ea ho sebelisoa, mme pokello ea Na2O e ngata e tla mpefatsa leqhubu la lehlabathe la quartz. Ka hona, Na2O e setseng e lokela ho tlosoa ka moo ho ka khonehang ha ho nchafatsoa lehlabathe le sebelisitsoeng la sodium silicate.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape:Mathata a 'maloa a lokelang ho ela hloko ho lahla lehlabathe la silicate

Minghe Khamphani ea Die Casting li inehetse ho etsa le ho fana ka boleng bo phahameng le likarolo tse phahameng tsa ho lahla likarolo Thining-Wall Die Casting,Hot Chamber Die lahla,Cold Chamber shoa lahla), Tšebeletso e chitja (Die Casting Service,Cnc Machining,Ho Etsa Mofuta, Bokaholimo Phekolo) .Na tloaelo efe kapa efe ea Aluminium die die cast, magnesium kapa Zamak / zinc die casting le litlhoko tse ling tsa castings lia amoheleha ho ikopanya le rona

Tlas'a taolo ea ISO9001 le TS 16949, lits'ebetso tsohle li etsoa ka mechini e makholo ea li-die casting, mechini e 5-axis le lits'ebeletso tse ling, ho tloha ho li-blasters ho isa mechini ea ho hlatsoa ea Ultra Sonic. sehlopha sa baenjiniere ba nang le boiphihlelo, lisebelisoa le bahlahlobi ho etsa moralo oa moreki o phethahala.

Moetsi oa konteraka oa li-cast cast. Bokhoni bo kenyelletsa likarolo tse batang tsa aluminium die die likarolo tsa 0.15 lbs. ho isa ho li-6 lbs., Ho theha phetoho e potlakileng, le machining. Litšebeletso tse kenyellelitsoeng boleng li kenyelletsa ho bentsa, ho thothomela, ho qhekella, ho phatloha ha lithunya, ho penta, ho roala, ho roala, kopano le lisebelisoa. Lisebelisoa tse sebelisitsoeng le tsona li kenyelletsa lits'epe tse kopantsoeng tse kang 360, 380, 383 le 413.

Zinc e shoa ho lahla thuso ea moralo / lits'ebeletso tsa boenjineri tse tšoanang. Moetsi oa moetlo oa li-castings tsa zinc tse nepahetseng. Li-castings tse nyane, li-castings tse phahameng tsa khatello, li-cast cast tsa hlobo, li-castings tse tloaelehileng tsa hlobo, li-unit tsa die le li-cast cast tse ikemetseng le li-cast cast tse tiisitsoeng li ka etsoa. Li-castings li ka etsoa ka bolelele le bophara ho fihlela 24 ho. Ho +/- 0.0005 ho. Mamello.  

ISO 9001: Moetsi ea netefalitsoeng oa 2015 oa magnesium ea die die, Bokhoni bo kenyelletsa khatello e phahameng ea khatello ea magnesium die cast to 200 ton room & 3000 kamoreng e batang, moralo oa lithulusi, polishing, molding, machining, powder & liquid paint, QA e felletseng e nang le bokhoni ba CMM , kopano, ho paka le ho tsamaisa.

ITAF16949 e netefalitsoe. Ts'ebeletso e 'ngoe ea ho lahla e kenyeletsa ho lahla lichelete,ho lahla lehlabathe,Matla a khoheli, Lahlehileng bubble lahla,Ho ts'oaroa ha Centrifugal,lephaka lahla,Sa Feleng hlobo lahlaBokhoni bo kenyelletsa EDI, thuso ea boenjiniere, ho etsa mohlala o tiileng le ho sebetsoa ka bobeli.

Lahla Liindasteri Liphuputso tsa likarolo tsa likarolo tsa: Likoloi, libaesekele, lifofane, liletsa tsa 'mino, sesepa sa metsi, lisebelisoa tsa Optical, li-sensor, mehlala, lisebelisoa tsa elektroniki, masaka, lioache, mechini, lienjine, thepa ea ka tlung, mabenyane, mabenyane, telecom, mabone, lisebelisoa tsa bongaka, lisebelisoa tsa litšoantšo, Liroboto, Litšoantšo tse betliloeng, Lisebelisoa tsa molumo, Lisebelisoa tsa lipapali, Lithulusi, Lipapali le tse ling. 

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By Moetsi oa Minghe Die Casting | Categories: Lingoloa tse thusang |lintho tse bonahalang Tags: Aluminium lahla, Ho lahla zinki, Ho lahla Magnesium, Lahleloa thaethaniamo, Ho lahla tšepe, Brass lahla,Ho lahleloa ka Bronze,Ho lahla Video,Histori ea Khamphani,Aluminium Die Casting | Litlhaloso Off