Dab tsi yuav tsum tau them sai sai rau thaum siv blast furnace slag
(1) Thaum siv pob zeb slag hmoov, nws yog ib qho tsim nyog yuav tsum tau ntxiv dag zog rau kev sim thiab tswj xyuas qhov zoo ntawm cov hmoov slag. Lub fineness ntawm slag hmoov nyob rau hauv loj ntsug mills yuav tsum tau tswj ntawm 400m2 / kg thiab 500m2 / kg. Vim nws cov txheej txheem ntau lawm, lub fineness ntawm slag hmoov yog ruaj khov heev. Lub fineness ntawm pob milled slag hmoov yog qhov nyuaj mus txog 400m2 / kg, thiab nws yog ib qho nyuaj rau kev ruaj ntseg mus ntev. Thaum lub fineness ntawm blast furnace slag raug txo qis, nws yuav ua rau muaj ntau yam teeb meem rau cov pob zeb, xws li kev sib txuas, kev sib cais, thiab txo los ntshav; Ntxiv sijhawm teem sijhawm; Lub zog thaum ntxov tuaj yeem txo qis tom qab 28 hnub.
(2) Kev saib xyuas yuav tsum tau them rau cov ntsiab lus ntawm slag hmoov. Thaum ntxiv blast furnace slag ib leeg, nws raug nquahu kom siv 30% mus rau 40%, thiab qhov ntim ntawm pob zeb tuaj yeem nce mus rau ntau dua 50%, yog li txo qhov kub ntawm hydration. Tag nrho cov khoom hloov yuav tsum tsis pub tshaj 50%. Fly tshauv thiab slag hmoov yuav tsum tau tswj tsis pub dhau 20% thiab 30% feem. Thaum pib ntawm kev siv, ya tshauv yuav tsum tau tswj tsis pub dhau 10%, slag hmoov yuav tsum tau tswj nyob rau hauv 20%, thiab loj ntim pob zeb yuav tsum tau so.
(3) Thaum sib xyaw ua ke, xaiv qhov sib xyaw kom haum rau qib sib txawv ntawm cov tshauv ya.
(4) Ua tib zoo saib xyuas cov pob zeb nrog cov hmoov slag (los yog kev sib xyaw ntawm cov hmoov slag thiab ya tshauv).
(5) Ua tib zoo saib xyuas lub sijhawm teeb tsa ntawm pob zeb. Piv nrog rau cov pob zeb zoo tib yam slag dawb, lub sij hawm teeb tsa ntawm slag pob zeb muaj qee yam cuam tshuam. Lub sij hawm pib thiab zaum kawg ntawm cov pob zeb yog 1-2.5 teev tom qab ntawm qhov kev siv pob zeb. Yog li ntawd, kev lag luam pob zeb ua lag luam yuav tsum tau them sai sai rau kev kho lub sij hawm ntawm kev ua vaj tse, tshwj xeeb tshaj yog thaum lub caij ntuj no tsim, kho cov pob zeb sib xyaw ua ke, tswj cov ntsiab lus ntawm cov hmoov slag hauv cov pob zeb, thiab siv cov dej thaum ntxov kom txo cov neeg ua haujlwm. Nyob rau hauv lub caij ntuj sov, qhov sib ntxiv ntawm blast furnace slag tuaj yeem nce ntxiv kom ncua sijhawm teem sijhawm ntawm pob zeb.
