Granulated Blast Rauv Slag

Blast furnace slag yog ib qho kev lag luam los ntawm cov khoom tsim thaum lub sij hawm ua hlau.

Nyob rau hauv txoj kev ua hlau, hlau oxide raug txo rau hlau hlau ntawm qhov kub thiab txias, thiab SiO2, A12O3 thiab lwm yam impurities nyob rau hauv cov ore yog ua ke nrog txiv qaub los ua slag, uas yog cais los ntawm cov hlau molten. Cov slags molten no tau txias sai heev los ua cov slag. Granulated blast furnace slag. Granulated blast furnace slag yog tsim los ntawm iav lub cev, nrog iav lub cev accounting rau ntau tshaj 85%. Yog li ntawd, nws muaj kev ua haujlwm siab dua. cov

Tsis zoo li cov ntaub ntawv pozzolanic xws li yoov tshauv thiab silica fume, cov ntaub ntawv pozzolanic tsis muaj cov khoom gelling, thaum slag ua. Thaum cov volcanic tshauv yog tov nrog dej, nws yuav tsis hydrate thiab tsim hydration khoom. Nws yuav tsum tau hnov ​​​​mob nrog Ca (OH) 2 los tsim cov khoom hydration. Slag tuaj yeem cuam tshuam nrog dej los tsim cov khoom hydration, tab sis finely granulated slag reacts qeeb heev thaum tov nrog dej ib leeg. Tsuas yog nyob rau hauv lub xub ntiag ntawm tus activator tuaj yeem nws cov khoom gelling tau ua tiav tag nrho. Muaj ob hom kev siv activators: ib qho yog alkaline activator; Lwm qhov yog sulfate pib. Nyob rau hauv qhov kev txiav txim ntawm cov activators, slag tuaj yeem hydrate sai thiab tsim cov khoom hydration. cov

Lwm qhov sib txawv tseem ceeb ntawm granulated blast furnace slag thiab ya tshauv thiab silica fume yog tias granulated blast furnace slag yuav tsum tau mus rau hauv cov txheej txheem sib tsoo kom zom nws mus rau hauv cov hmoov zoo ua ntej siv los ua cov pob zeb hauv av rau pob zeb. Thaum lub sij hawm sib tsoo, cov slag hais yuav tawg mus rau hauv cov ntaub ntawv tsis xwm yeem. Vim cov nyhuv morphological tsis zoo ntawm cov khoom zoo li no, lawv tsis ua rau cov dej ntws ntawm cov pob zeb. Yog li ntawd, hauv av slag feem ntau tsis muaj dej-txo cov nyhuv. Tsis tas li ntawd, cov dej tuav ntawm finely av slag yog pluag, thiab nws yog yooj yim dua los ntshav tom qab sib tov nrog finely av slag.

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