Thaum superplasticizer thiab wolstonite tau siv ua ke hauv cov pob zeb ua ke, txawm tias cov kev txiav txim siab ntawm ob qho tuaj yeem txhim kho kom tau txais kev mloog kom ntseeg tau tias yog qhov zoo tshaj plaws. Nov yog qee qhov kev txiav txim siab tseem ceeb:
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
1. Tsim Tsim Nyog ntawm kev sib tov sib piv
Tus nqi ntawm superplasticizer thiab silica fum yuav tsum tau rationally tau tshaj tawm raws li cov kev tsim kho engineering, pob zeb ua cov xwm txheej ua tau zoo, cov xwm txheej siv. Yog tias koj ntxiv ntau dhau, nws tuaj yeem ua cov teeb meem hauv qab no:
- Dej-phau ntawv sib piv yog tsawg heev:Txawm hais tias dej ntws heev txo tau cov neeg sawv cev dej kom zoo dua, yog tias muaj kev tsim kho dej tsis txaus, thiab txawm cuam tshuam rau cov cohesivity ntawm pob zeb.
- Ntau cov ntsiab lus ntawm Wollastonite:Qhov kev sib ntxiv ntawm wollastonite tuaj yeem txhim kho lub zog thiab cov khoom siv ua kom muaj zog ntawm Wollastonite, feem ntau ntawm cov ntsiab lus dej txo qis, tus nqi ntawm kev txo qis cov dej khov kho kom haum kom tswj tau felled fluidity.
Tawm tswv yim:
- Cov ntsiab lus ntawm Silica Fumer feem ntau yog ntawm 5% thiab 15%, thiab kev siv ntau dhau yuav ua rau txo cov haujlwm ua haujlwm thiab qeeb qeeb.
- Tus nqi ntawm superplasticizer yuav tsum tau hloov kho raws li cov dej-binder sib piv thiab cov nyiaj ntawm cov dej ntws tau zoo yam tsis muaj kev cuam tshuam lub zog thiab lub zog ruaj khov.
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
2. Kev ua haujlwm thiab fluidity ntawm cov pob zeb ua
Lub luag haujlwm tseem ceeb ntawm superplasticizer yog txhawm rau txhim kho cov fumicas ntawm cov pob zeb ua kom muaj viscosity ntawm pob zeb ua vaj tse, uas yuav ua rau txo qis hauv fluease. Txhawm rau kom ntseeg tau tias qhob ua kom muaj kev ua kom zoo, tus nqi ntawm ob qho yuav tsum tau tswj hwm tsim nyog.
- Nce viscosity los ntawm silica fume:Qhov sib ntxiv ntawm cov khoom noj zoo ntawm Silica yuav nce cov cohesiveness ntawm kev ua vaj tse, uas ua rau txo cov kua muag qis. Thaum sib xyaw ua ke silica, lub viscosity ntawm cov pob zeb ua kom nce ntxiv, thiab cov khoom siv dej ua kom haum rau cov tshuaj thiab cov pob zeb ua kom zoo nkauj.
- Adhesion ntawm pob zeb ua:Txawm hais tias cov wollastonite tuaj yeem txhim kho cov pob zeb sib, yog tias tus nqi loj heev, nws yuav ua rau kev tsim kho kev ua haujlwm tsis zoo, tshwj xeeb yog cov txheej txheem kev co thiab kev co.
Tawm tswv yim:
- Thaum siv superplasticizers thiab silica fume, tsim nyog sib xyaw ua ke sijhawm thiab kev sib xyaw ua ke yuav tsum ua kom cov kev sib xyaw ntawm cov pob zeb ua kom haum.
- Los ntawm nce kev siv ntawm cov dej ua hauj lwm zoo los them tus neeg sawv cev los them nyiaj los ntawm Silica tshauv, zam kev cuam tshuam rau kev tsim kho kev tsim kho.
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
3. Kev sib txuam ntawm Silica Fumica thiab Maas
Qhov sib ntxiv ntawm Silica Fume xav tau sib xws nrog txoj cai xis mas. Silica fum muaj cov khoom muaj zog thiab tuaj yeem hnov cov khoom siv hydration hauv cov cement kom tsim ntau dua cov gel (CSH), yog li kev txhim kho lub zog thiab kev sib txuas ntawm cov pob zeb. Txawm li cas los xij, qee kis, kev sib ntxiv ntawm cov silica yuav cuam tshuam txog kev nyiam cov cawv ntawm cov cement, tshwj xeeb yog lub zog thaum ntxov.
- Court kev tawm tsam ntawm Wollastonite:Cov dej ntws tawm ntawm Wollastonite yog cov txheej txheem qeeb thiab yuav cuam tshuam rau lub zog thaum ntxov ntawm kev ua vaj tse, tshwj xeeb tshaj yog thaum ntxov. Yog li ntawd, thaum siv Silica Fume, nws yog qhov tsim nyog yuav kom muaj kev kho mob tsim nyog los txhawb cov tshuaj tiv thaiv kev haus dej ntawm silica.
- Kev yoog tau ntawm Maas:Cov cai sib txawv muaj qhov sib txawv nrog cov wollastonite, thiab qee hom ntawm cov wollastonite, tshwj xeeb yog siv cov siab ntawm cov wollastonite, uas yuav ua rau poob ntawm lub zog.
Tawm tswv yim:
- Thaum tsim cov sib tov sib tov, nws yog qhov tsim nyog kom nkag siab qhov sib xyaw ntawm cov cement ntawm silica, kom paub meej tias cov cement cov tshuaj tsw qab nrog cov khoom siv silica yuav tsis ua rau muaj kev kub ntxhov.
- Txhawm rau kom them nyiaj rau kev cuam tshuam ntawm Silica fume rau ntawm kev siv lub zog thaum ntxov, muaj ntau yam kev siv dej siliab tau xaiv tau thaum ntxov.
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
4. Dispersion thiab kev sib xyaw ntawm Silica Fume
Silica fumica yog cov hmoov nplej zoo heev uas tau sib xyaw tau yooj yim hauv cov pob zeb ua yooj yim, yog li ua kom nws cov kev sib cais ua ke yog qhov tseem ceeb rau qhov kev ua tiav zaum kawg. Yog hais tias lub dispersion ntawm silica fume hauv cov pob zeb tsis zoo, nws yuav ua rau txo qis ntawm cov pob zeb ua kom zoo thiab lub zog tag nrho thiab ruaj khov ntawm cov pob zeb tag nrho.
- Cov teeb meem dispersion:Cov khoom zoo ntawm silica fume nyiam los ua ke thiab yuav tsim cov pob txha caj dab, uas cuam tshuam nrog cov cement thiab yog li lub zog thiab ua kom muaj zog.
- Kev sib xyaw ua ke:Txhawm rau kom tsis txhob muaj agglomeration ntawm Silica Fume, lub sijhawm sib xyaw ua ke, cov khoom siv sib xyaw ua ke yuav tsum coj mus rau hauv tus account qhov kev rho tawm ntawm Silica Fume. Feem ntau, lub sijhawm sib xyaw ntev dua thiab kev sib xyaw kom zoo dua kom muaj kev sib cais ntawm cov khoom sib cais ntawm silica fume.
Tawm tswv yim:
- Thaum npaj pob zeb ua, cov tov khoom muaj zog yuav tsum tau siv los xyuas kom meej tias cov silica fumica thiab xis mas yog kev sib xyaw zoo.
- Rau cov pob zeb ua kom muaj cov ntsiab lus fumica siab, kev siv cov phased ntxiv thiab ua kom sib xyaw ua ke pab kom ntseeg tau tias muaj kev sib cais ua ke.
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
5. Txij Nkawm
Cov kev txhim kho ntawm lub zog thiab lub zog ntawm cov pob zeb ua los ntawm silica fume feem ntau yuav tsum muaj cov tshuaj tiv thaiv ntev, yog li cov kev kho uas tsim nyog yog qhov tseem ceeb heev. Silica fume muaj peev xwm tsim ntau cov khoom lag luam hydration los ntawm kev nquag nrog xis mas, tab sis tej zaum yuav muaj kev ncua sij hawm thaum ntxov.
- Kev kho qhov kub thiab cov av noo:Txhawm rau txhawb nqa cov tshuaj tiv thaiv hydration ntawm Silica Fume, Qhob xav tau qhov ntsuas kub thiab cua noo. Yog tias kev kho tus mob tsis tsim nyog, nws yuav ua rau tsis tiav ntawm cov dej fumica, uas yuav cuam tshuam rau lub zog kawg thiab lub zog ua kom muaj zog.
- Ntub tshuaj kho lub sijhawm:Txhawm rau kom cov wolastonite kom muaj cov dej noo siab, nws yog qhov tsim nyog los tswj kom muaj cov av noo, tshwj xeeb yog cov kev kho kom zoo dua ntawm lub zog kawg ntawm lub zog kawg ntawm cov pob zeb ua kom zoo.
Tawm tswv yim:
- Nyob rau hauv thaum ntxov theem ntawm cov qhob noom pob zeb, kom zoo av noo yuav tsum tau tswj kom tsis txhob muaj kev ziab kev ua kom ntxov, yog li los txhawb cov tshuaj tiv thaiv kev noj haus ntawm silica.
- Nyob rau hauv huab cua txias lossis qhuav, tsim nyog rwb thaiv tsev thiab noo noo yuav tsum tau ua kom ntseeg tau tias cov txheej txheem hydration ntawm cov qhob ua tsis muaj kev cuam tshuam.
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
6. Kev txiav txim siab ntawm ib puag ncig
Ib puag ncig ib puag ncig, xws li qhov ntsuas kub, av noo, thiab tej zaum kuj tseem muaj qee yam cuam tshuam ntawm cov nyhuv silica fume thiab superplasticizers. Nyob rau hauv qhov chaw txias los yog qhov kub siab ib puag ncig, cov txheej txheem hydration ntawm xis mas yuav txawv, uas yuav cuam tshuam kev ua tau zoo ntawm cov pob zeb.
- Ib puag ncig kub siab:Thaum kub siab, cov coa kev ntxhib yog nrawm, tab sis cov tshuaj hydration tus nqi yog qhov qeeb, uas tuaj yeem ua rau qhov sib txawv, uas muaj zog ntawm cov pob zeb ua. Nyob rau lub sijhawm no, tus nqi ntawm Superplasticizetizer yuav yuav tsum tau hloov kho cov dej ua ntej ua rau cov pob zeb ua ntej.
- Ib puag ncig kub tsawg:Tsawg tus kub yuav ua kom qeeb qeeb ntawm cov dej qab zib thiab silica fume, yog li ntawd, hauv cov txheej txheem hydration tsis yog inhibited.
Tawm tswv yim:
- Nyob rau hauv lub siab lossis tsawg ib puag ncig, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev kho cov dej uas txo cov neeg sawv cev, thiab cov nyiaj ua ke yuav tsum tau hloov kho kom ua tau qhov ua tau zoo kawg nkaus.
Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev thiab silica fume
Kev sib xyaw ua ke ntawm kev siv dej ua ke ntawm cov dej khov uas muaj txiaj ntsig zoo, thiab kev sib xyaw ua ke thiab kev sib tov zoo li qub, tab sis kev sib tov zoo li qub thiab kev tswj hwm kom zoo siab thiab ib puag ncig kev tswj hwm tau kom tau them rau thaum lub sijhawm tsim kho. Los ntawm kev kho cov tshuaj lom thiab kho kom zoo, lub synergistic nyhuv ntawm ob tus tuaj yeem tau txais kev pab rau qhov loj tshaj plaws, yog li txhim kho qhov kev ua tau zoo tag nrho ntawm kev ua vaj tse.
Yog tias koj txaus siab, thov hu rau peb hauv qab no.
Cim npe nrov: Kev ceev faj hauv kev siv cov dej ua haujlwm siab txo tus neeg sawv cev, Tuam Tshoj ua ntawv tiv thaiv hluav taws xob nrog cov neeg muag khoom, cov chaw muag khoom, Hoobkas
