Qhov nyiaj txiag ntawm limestone yog dab tsi?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

US Industrial Consumption ntawm Limestone

Nyob rau hauv 2007, domestic ntau lawm ntawm industrial limestone yog kwv yees li 1.3 billion metric tons, muaj nuj nqis ntau dua $ 25 billion. Nyob rau hauv tib lub xyoo, lub teb chaws tuaj txog 430,000 metric tons ntawm industrial limestone thiab limestone cov khoom, muaj nqis txog $ 2.2 billion.

Kuj paub yog, limestone pab tau li cas?

Lwm yam kev siv suav nrog: Nws yog cov khoom siv raw rau kev tsim cov kua qaub (calcium oxide), slaked txiv qaub (calcium hydroxide), cement thiab mortar. Pulverized limestone yog siv los ua cov av txias rau neutralize acidic xau (ua liaj ua teb txiv qaub). Purified, nws yog ntxiv rau qhob cij thiab cereals raws li qhov chaw ntawm calcium.

Kuj Paub, limestone rho tawm li cas? Limestone yog rho tawm los ntawm cov pob zeb los ntawm blasting los yog mechanical excavation nyob ntawm qhov hardness ntawm pob zeb. ntxhib crushing. Tom qab crushing lub pob zeb yog txheeb rau hauv cov feem sib txawv los ntawm kev tshuaj ntsuam, tom qab uas nws mus rau ua tiav ntxiv. Hauv kev sib tsoo cov txheej txheem limestone yog av rau hmoov zoo.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov nyiaj txiag tseem ceeb ntawm pob zeb?

Pob zeb muaj ntau yam kev siv uas ua rau lawv zoo heev tseem ceeb rau tib neeg lub neej. Piv txwv li, pob zeb yog siv nyob rau hauv kev tsim kho, rau kev tsim tshuaj thiab ua tshuaj thiab rau zus tau tej cov roj. Pob zeb kuj tseem ceeb heev rau cov kws tshawb fawb thaum lawv muab cov lus qhia txog lub ntiaj teb keeb kwm.

Puas yog limestone nyuaj los yog mos?

Limestone yog a mos , yooj yim ua haujlwm pob zeb uas muaj tsawg kawg yog 50% calcite, aragonite, thiab / lossis dolomite. Pob zeb tsis muaj technically muaj cov pob zeb MOHS hardness vim lawv yog cov sib xyaw ntawm cov ntxhia.