Aluminous simende: sezvamunoita, unhu, kushanda

Chimwe chezvinhu zvakafanira uye chinokosha zvinhu paivakwa imwe esimende. Rinoshandiswa nokuda kwezvifananidzo zvaAtemisi asbestos-esimende, kongiri uye zvakasimbisa kongiri okunze, mumaturi. By samende zvaireva boka hydraulic kunyorerana vamiririri, iyo pechingoro mugove vari aluminates uye silicates vari yakaumbwa mumakore kubudiswa mbishi zvinhu pane mukuru tembiricha uye kuderedzwa kune zvakazara kana kukwana utsotso.

Features sezvamunoita

Kushandiswa sezvo mbishi zvinhu yakachena reraimu uye bauxite. Ekupedzisira ndiwo dombo, iro rinoumbwa nouipi uye hydrates. Bauxite akawana kwakapararira munyika maindasitiri munda kuti pagadzirwe adsorbents, refractories, aruminiyamu uye nevamwe.

aluminous simende kwakasiyana predominance Odnokaltsievy aluminate clinker mu murwiyo, kusarudza huru zvechadenga bhainda. Chinewo gehlenite sezvo kutsigisa igwa tsvina uye dicalcium silicate, anozivikanwa ndiwo anononoka nokuomesa.

Kana yakavhenganiswa nemvura anotanga hydrate Odnokaltsievy aluminate. Zvinhu zviri akaumba panguva imwechete kushumira senhengo Rakasimbisa zvinhu. Kuwedzera simende anotanga kuronga pashure maminitsi 45-60, mumwe solidification kwakakwana kunoitika pashure pemaawa 10. Zvinobvira kuchinja mamiriro nguva, kuwedzera accelerators (gypsum, madota), kana retarders (karusiyamu chloride, boric acid).

zvinoitwa

Aluminous simende chinhu yakaderera mano deform, rikava ibwe ane zvinonyadzisa marongerwo. Mukuwedzera, kuvapo hydrated cubic monoaluminate kunotungamirira kurasikirwa uremu pakugadzirwa.

Maitiro nokuti zvinhu anodzoka yakawanda kupisa kuitika okutanga maawa mashoma nokuomesa. Nyaya iyi iri rinokosha kana kuita kongiri basa munguva yechando, asi panguva imwe chete akazoita siyana pevara nekuda hombe hurongwa.

Kuwedzera simende rakagadzirwa alumina, zvinoreva kuti nhamba nomoto nemishonga zvinhu. Rinoshandiswa kuti paumbwe refractory hydraulically solidifying zvinogadzirisa pachiimbwa izvi refractory zvinoriumba sezvo chamotte, mhangura, magnesite.

Mukuwedzera, nevamwe chikabviswa ndiye samende ibwe dzakakwirira simba, anosarudza chinokosha nemishonga pamusoro mafuta, acids, gungwa mvura.

Izvi zvinhu anokwanisa chokuwana dhaka uye kongiri ane zvikuru nemishonga kuti unyoro uye arambe achirema. Asi zviri asingatani kuparadzwa nokukurumidza pasi pokudzora alkali uye Ammonium munyu.

kugadzirwa

Aluminous samende kugadzirwa nevanhu nzira mbiri: calcining pamberi sintering uye kubvunda mbishi batch mangé. Nokuti yokupedzisira nzira kunoda gadziriro vebasa, kubvunda achiteverwa kutonhora, nokupwanya. Choto nokuomesa nzira inozivikanwa yepakutanga zvinoriumba, nemicheka nokugeda nokusanganisira kusvikira yunifomu homogenizing, uye ipapo granulated kana weupfu muvhenganiswa akanga vanogumurwa mune yamavira pamusoro siyana. Pashure pokunge mashoko acho ari haachandidi uye pulverized.

Cement Stone anowana simba zvishoma ne kuwedzera solidification tembiricha yakakodzera hydroaluminate recrystallization. Saka akaita zvinhu hazvisi pasi autoclave kurapwa uye nokuipisa noutsi hwemvura.

Kuderera ndichibvunza nokuomesa ndepana ezasi tembiricha. Kana gobvu dzaserera kuti kunaka tsika vaizova kutonetsa kuti achirapa nemvura, vachikumbira kwerunyararo yakakodzera tembiricha ezvinhu.

aluminous simende mhando

Kune 2 mhando zvinhu: mureza uye yakakwirira alumina simende. Kutsunga mucherechedzo pazuva rechitatu pashure pagadzirwe ivhu. Tichifunga kudhura uye kushaya simende mbishi zvinhu chaitwa mune ruzha zviduku. The acho ari upfu yakanaka vatema, shava kana rima rwegirini ruvara. Cement, aluminous simende, ane mutengo inotanga pa 40 rubles por makirogiramu, dzaizara mumidziyo uye masaga 50 makirogiramu. Kugona nokukurumidza kudira mvura chinonyanya kukosha noruzhinji.

kunyoresa

Rinoshandiswa yokuva yanyatsosimba kongiri hurongwa apo kongiri kuti awane magadzirirwo simba muna 1, 2 kana 7 days, uye nokuda kweDzimba pachivande uye pemvura zvivako rinoda yakakwirira sulphate. Zvinokosha kucherechedza yakakwirira kunyatsoshanda ari kuzoita mabhiriji uye zvivako, kukurumidza inotungamirwa nheyo kuti mota uye kukuvara mucherechedzo mune mugungwa senga.

Aluminous simende GC 40 awana chikumbiro yaro pakusikwa kuwedzera nziyo - zviri non-todzokera isapinda, isapinda Kuwedzera uye kuwedzera simende, aluminous simende.

Useful Features

Aluminous simende bhainda ane fuma yakasimba, uye kushandiswa kupisa nemishonga mumaturi, sezvamakaropafadzwa nokukurumidza solidification mumhepo uye mumvura. It achiumbwa pachishandiswa yakaisvonaka kukuya mbishi muvhenganiswa rurefu zviri alumina uye kupiswa kuti akakonzera kubatana kwe kana sintering. Vachiridzira rinoitwa nhasi kunyanya yemagetsi kana Nokufema muvira kuti utsotso wehurumende. Hazvina zvakafanira mune simba nokugeda pamusoro yakatsvuka zvinhu, uye anokwanisa kubvisa silica nedare.

Mhando aluminous simende zvigadzirwa Ipe yakawedzera kuramba yeimwe starch, sesaline, lactic acid, sarufa kuwedzera kupisa kuramba anosvika 1700 inegumi.

Mukuwedzera, matambudziko chicherwa mvura ipfupi nokuda hazvibviri inotungamirwa calcium hydrate kuburikidza kuita nemunhu aqueous svikiro. Kupikiswa sulfate ngura inotengwa nokuda asipo hydroaluminate tricalcium mhando. Cement pachena kukanganisa iri alkaline nzvimbo, mumwe kuramba mhinduro ine magnesium sulfate uye tichishingaira acidic vezvenhau.