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foaming

foaming daim ntawv thov

Ua Npuas Ncauj ua vaj tse, kuj hu ua aircrete, foamed ua vaj tse, foamcrete, cellular sib qhob los yog txo ceev vaj tse, yog txhais raws li ib tug xis mas raws li slurry, nrog ib tug tsawg kawg nkaus ntawm 20% (ib ntim) ua npuas ncauj entrained mus rau hauv lub yas mortar. [1] Raws li feem ntau tsis muaj ntxhib sau ua ib pawg yog siv rau zus tau tej cov ua npuas ncauj qhob qhov tseeb lub sij hawm yuav tsum tau hu ua tshuaj khib es tsis txhob ua vaj tse; tej zaum nws yuav tsum tau hu ua "foamed MAAs" zoo li. Cov kev ceev ntawm ua npuas ncauj qhob feem ntau mas nws txawv ntawm 400 kg / m³ rau 1600 kg / m³. Lub ceev yog feem ntau tej tshuaj los ntawm hloov siab los yog ib feem ntawm lub zoo sau ua ib pawg nrog ua npuas ncauj.

3-foaming

Manufacturing

Foamed qhob feem ntau muaj ib tug slurry ntawm MAAs thiab ya tshauv los sis xuab zeb thiab dej, tab sis ib txhia khoom kom ntshiab xis mas thiab dej nrog lub foaming neeg sawv cev rau heev sib hmoov sib tov. Qhov no slurry yog ntxiv tov nrog ib tug hluavtaws aerated ua npuas ncauj nyob rau hauv ib tug qhob nws nroj tsuag. Cov ua npuas ncauj yog tsim siv ib tug npuas tawm neeg sawv cev, tov nrog dej thiab huab cua los ntawm ib tug generator. Lub foaming neeg sawv cev siv yuav tsum tau tsim huab cua bubbles nrog ib theem siab ntawm stability, resistant mus rau lub cev thiab tshuaj kev ntawm nws, muab thiab hardening.

 

Foamed qhob sib tov yuav raug muab nchuav los yog pumped rau hauv pwm, los yog ncaj qha mus rau cov yam ntxwv hais. Cov ua npuas ncauj enables cov slurry ntws dawb do vim lub thixotropic cwj pwm ntawm cov ua npuas ncauj npuas, uas nws yuav yooj yim poured rau hauv lub xaiv daim ntawv los yog mould.The khov khoom yuav tsum tau mus rau 24 teev solidify (los yog raws li me ntsis li ob teev yog chav kho nrog kub txog li 70 ° C rau leeb tus txheej txheem.), nyob ntawm seb cov tsiaj ntawv nrog rau ambient kub thiab humidity. Thaum solidified, lub tsim khoom yuav raug tso tawm los ntawm nws cov pwm.

daim ntawv sau npe

Foamed qhob yuav tau ua nrog qhuav densities ntawm 400 rau 1600 kg / m³, nrog 7-hnub zoo ntawm kwv yees li 1 mus rau 10 N / mm² feem. Ua Npuas Ncauj qhob yog hluav taws kub resistant, thiab nws thermal thiab acoustical rwb thaiv tsev zog ua rau nws zoo tagnrho rau ib tug ntau yam ntawm cov hom phiaj, los ntawm insulating plag tsev thiab ru tsev, mus void filling. Nws tseem yog tshwj xeeb yog pab tau rau cov trench rov.
Ib tug ob peb ntawm qhov kev siv ntawm ua npuas ncauj qhob yog:
precast blocks
precast phab ntsa ntsiab / panels
nrum-nyob rau hauv-situ / cam khwb cia-nyob rau hauv-qhov chaw phab ntsa
insulating nyiaj tso
rwb thaiv tsev pem teb screeds
rwb thaiv tsev-ru tsev screeds
sunken feem sau
trench rov
sub-puag nyob rau hauv tej kev loj
sau ntawm hollow blocks
prefabricated rwb thaiv tsev boards

Properties

Ua Npuas Ncauj qhob yog ib tug ntau yam tsev ntaub nrog ib tug yooj yim lawm txoj kev uas yog tus pheej yig piv rau autoclave aerated qhob. Ua Npuas Ncauj qhob tebchaw siv yoov tshauv nyob rau hauv lub slurry mix yog cheaper tseem, thiab muaj tsawg tej feem. Ua Npuas Ncauj qhob yog ua nyob rau hauv ib tug ntau yam ntawm densities ntawm 200 kg / m³ rau 1,600 kg / m³ nyob rau hauv daim ntawv thov. Ntais ceev cov khoom tej zaum yuav txiav mus rau hauv ntau ntau thiab tsawg. Thaum cov khoom yog suav tias yog ib daim ntawv ntawm qhob (nrog cua bubbles hloov aggregate), nws cov high thermal thiab acoustical insulating zoo ua rau nws ib tug heev txawv daim ntawv thov dua pa qhob.

Tsis ntev los no tiam sis thiab kev loj hlob

Kom txog rau thaum ib xyoo caum dhau los, ua npuas ncauj qhob tau ntshai li tsis muaj zog thiab uas tsis yog-check uas muaj shrinkage yam ntxwv. Qhov no yog vim lub tsis ruaj tsis khov ua npuas ncauj npuas ua nyob rau hauv ua npuas ncauj qhob muaj zog unsuitable rau ua heev uas tsis muaj kev ceev (Tsawg tshaj li 300 kg / m³ qhuav ceev) raws li load kev coj tus kheej cov yam ntxwv daim ntaub ntawv. Nws yog yog li ntawd ib qho tseem ceeb los xyuas kom meej tias cov huab cua entrained mus rau hauv lub foamed qhob yog muaj nyob rau hauv kev ruaj khov nyob rau tib lub sij hawm heev me me uniform npuas uas nyob twj ywm lawm thiab raug rho tawm, thiab tsis yog li kom cov permeability ntawm lub MAAs muab tshuaj txhuam ntawm lub voids.

Txoj kev loj hlob ntawm cov khoom cua-enzyme raws li foaming kab mob, ua npuas ncauj stability mus pab tau txoj admixtures thiab tshwj xeeb ua npuas ncauj generating, nws thiab siv cov khoom tau zoo dua lub stability ntawm lub ua npuas ncauj thiab chaw pib foam ua vaj tse, ua rau nws tau los tsim raws li lub teeb raws li 75 kg / m³ density.The enzyme muaj heev active cov nqaijrog ntawm biotechnological keeb kwm thiab tsis yog raws li nyob rau hauv lub unattractive protein hydrolysis.In xyoo tsis ntev los foamed qhob twb tau muab siv heev nyob rau hauv kev loj, tej vaj tse, kev puas tsuaj kev ncaj ncees rau vaj tse, tsev kawm ntawv, qhov thiab tsev uas nyob rau hauv lub teb chaws xws li teb chaws Yelemees, TEB cHAWS USA, Brazil, Singapore, Is Nrias teb, Malaysia, Kuwait, Nigeria, Botswana, Mexico, Indonesia, Libya, Saudi Arabia, Algeria, Iraq thiab tim lyiv teb chaws.

 


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