Dolomite yog cov ntxhia carbonate, suav nrog hlau dolomite thiab manganese dolomite. Nws cov qauv siv lead ua zoo li calcite, feem ntau tshwm sim li rhombohedral muaju. Nws maj mam effervesces thaum raug txias dilute hydrochloric acid. Qee cov dolomite nthuav tawm cov txiv kab ntxwv - liab ci nyob rau hauv cathode ray irradiation. Dolomite yog cov ntxhia tseem ceeb ntawm dolomite thiab dolomite limestone. Dolomite tuaj yeem siv rau hauv cov khoom siv hauv tsev, ceramics, iav thiab cov ntaub ntawv refractory, tshuaj lom neeg, kev ua liaj ua teb, kev tiv thaiv ib puag ncig, thiab kev txuag hluav taws xob. Nws yog tsuas yog siv los ua alkaline refractory khoom thiab flux nyob rau hauv blast furnace ironmaking; nyob rau hauv zus tau tej cov calcium magnesium phosphate fertilizer thiab magnesium sulfate; thiab ua ib qho khoom siv hauv kev tsim cov iav thiab ceramics.
Ntau yam khoom zoo dolomite: Dolomite ore, dolomite xuab zeb (6-10 mesh, 10-20 mesh, 20-40 mesh, 40-80 mesh, 80-120 mesh), dolomite hmoov (10 mesh), dolomite ultrafine hmoov (140 mesh, 320 mesh, 320 mesh 1600 mesh). Thaum rhuab mus rau 700-900 degree, dolomite decomposes rau hauv ib tug sib tov ntawm carbon dioxide, calcium oxide, thiab magnesium oxide, hu ua caustic magnesia, uas nkag reacts nrog dej. When dolomite is calcined at 1500℃, magnesium oxide becomes periclase, and calcium oxide transforms into crystalline -CaO, resulting in a dense structure, strong water resistance, and a refractoriness up to 2300℃.
Dolomite deposits nyob rau hauv Tuam Tshoj yog muab faib nyob rau hauv carbonate pob zeb systems, nrog cov laus strata muaj ntau deposits, feem ntau concentrated nyob rau hauv lub Sinian System. Piv txwv suav nrog Liaohe Group nyob rau sab hnub tuaj Suav teb, pawg Sangzi hauv Inner Mongolia, thiab pawg Jian'ou hauv Fujian. Tsis tas li ntawd, dolomite deposits kuj muaj thoob plaws hauv Sinian thiab Cambrian Systems, nrog cov deposits loj nyob rau hauv cov cheeb tsam xws li Liaodong Peninsula, sab hnub tuaj Hebei, Inner Mongolia, Shanxi, thiab Jiangsu. Dolomite deposits nyob rau hauv Carboniferous thiab Permian Systems mas faib nyob rau hauv Hubei, Hunan, Guangxi, thiab Guizhou xeev.
Tuam Tshoj yog nplua nuj nyob rau hauv dolomite cov peev txheej, thiab cov pov thawj pov thawj tuaj yeem ua tau raws li qhov xav tau ntawm kev txhim kho kev lag luam. Feem ntau ntawm cov kev tso nyiaj tau tsim thiab siv, thiab cov chaw tsim khoom tau nthuav dav thoob plaws hauv lub xeev, nrog cov khoom siv loj tshaj plaws nyob rau hauv Kazuo County cheeb tsam ntawm Chaoyang City.
