Diatomite lim pab tau muab faib ua cov khoom algae qhuav, calcined khoom thiab flux calcined khoom raws li ntau lawm txheej txheem.

① Cov khoom qhuav
Tom qab purification, ua ntej ziab thiab comminution, cov khoom raw yog qhuav ntawm 600-800 ° C, thiab ces comminuted.Cov khoom no muaj qhov loj me me zoo thiab tsim nyog rau kev pom tseeb.Nws yog feem ntau siv ua ke nrog lwm cov lim pab.Cov khoom qhuav yog feem ntau lub teeb daj, tab sis kuj milky dawb thiab lub teeb grey.

② Calcined khoom
Cov purified, qhuav thiab crushed diatomite yog pub rau hauv ib tug teb kiln, calcined ntawm 800-1200 ° C, ces crushed thiab graded kom tau cov khoom calcined.Piv nrog rau cov khoom qhuav, qhov permeability ntawm cov khoom calcined yog ntau tshaj peb zaug siab dua.Calcined khoom feem ntau yog lub teeb liab.

③ Flux calcined khoom
Tom qab purification, ziab thiab sib tsoo, cov khoom siv raw ntawm diatomite yog ntxiv nrog me me ntawm sodium carbonate, sodium chloride thiab lwm yam AIDS melting, thiab calcined ntawm 900 ~ 1200 ° C. tom qab sib tsoo thiab particle loj grading, flux calcined khoom yog tau.Lub permeability ntawm flux calcined khoom yog pom tseeb nce, uas yog ntau tshaj 20 npaug ntawm cov khoom qhuav.Cov khoom lag luam flux calcined feem ntau yog xim dawb, thiab lub teeb liab thaum cov ntsiab lus ntawm Fe2O3 siab lossis cov flux me me.