Cov calcium carbonate hnyav yog cov hmoov calcium carbonate uas tsim los ntawm kev siv cov calcite, chalk, marble thiab lwm yam ores ua cov khoom siv raw. Nws muaj cov yam ntxwv ntawm ntau qhov chaw ntawm cov khoom siv raw, dawb siab, nqus roj tsawg, siv tau zoo thiab pheej yig. Nws yog cov khoom siv inorganic uas tsis yog hlau uas siv dav tshaj plaws tam sim no thiab siv ntau tshaj plaws.

Tam sim no, cov txheej txheem ua cov calcium carbonate hnyav feem ntau tsom mus rau kev sib tsoo thiab kev hloov kho qhov chaw kom ua tiav cov khoom lag luam uas ua tau raws li qhov xav tau ntawm ntau qhov chaw thov, suav nrog hmoov zoo, hmoov zoo heev, hmoov hloov kho qhov chaw (ua haujlwm) thiab cov ntawv ua slurry suav nrog ntau pawg thiab ntau dua kaum hom khoom calcium carbonate hnyav tshwj xeeb nrog qhov sib txawv fineness thiab kev hloov kho qhov chaw thiab kev ua haujlwm. Yog li cov khoom siv twg ua cov calcium carbonate hmoov?Cov Tshuab HCM yog ib lub tuam txhab tsim cov tshuab ua hmoov calcium uas paub zoo hauv kev lag luam. Hnub no peb yuav qhia koj txog cov tshuab ua hmoov calcium kom meej.

Cov lus piav qhia ntxaws txog cov tshuab ua hmoov calcium thiab cov khoom siv:

Cov calcium carbonate hnyav ib txwm muaj nrog d97≥5μm feem ntau yog tsim los ntawm txoj kev qhuav. Cov khoom siv suav nrog Raymond zeb zoo dua (lub tshuab dov dai lossis lub tshuab dov pendulum), lub tshuab dov (suav nrog lub tshuab dov siab / lub tshuab dov ntsug, lub tshuab dov nplhaib, thiab lwm yam) thiab lub tshuab pob, thiab lwm yam.

Cov calcium carbonate hnyav heev uas muaj d97≥5μm feem ntau siv cov txheej txheem tsim khoom qhuav, thiab qee qhov siv cov txheej txheem sib tsoo ntub + cov txheej txheem ziab. Kev tsim khoom qhuav feem ntau siv cov tshuab sib tsoo pob nruas + cov tshuab cais tawm, cov tshuab sib tsoo menyuam (suav nrog cov tshuab sib tsoo menyuam nrog kev faib tawm hauv-band, cov tshuab sib tsoo ntsug / cov tshuab sib tsoo siab), cov tshuab sib tov qhuav + cov tshuab cais tawm, thiab lwm yam.

Cov txheej txheem ua ntawv qib ultra-fine hnyav calcium carbonate slurry nrog d97≤5μm, tshwj xeeb tshaj yog d90≤2μm, feem ntau yog tsim los ntawm txoj kev ntub dej, thiab cov khoom siv tseem ceeb yog lub tshuab sib tov thiab lub tshuab xuab zeb.

Cov kab ntau lawm ntawm lub tshuab zeb pob + cov khoom faib tawm feem ntau yog siv los tsim cov hmoov calcium carbonate hnyav thiab cov hmoov zoo heev nrog d97 = 5 ~ 43μm. Nws yog tus cwj pwm los ntawm kev tsim khoom kaw tas mus li, kev faib tawm ntau theem, kev thauj khoom loj (300% ~ 500%), thiab muaj peev xwm tsim khoom loj ib lub tshuab. Cov kab ntau lawm no tau siv txij li nruab nrab mus txog rau thaum xyoo 1990 thiab yog ib qho ntawm cov thev naus laus zis tseem ceeb rau cov kab ntau lawm calcium carbonate hnyav heev hauv ntiaj teb niaj hnub no.

Lub tshuab sib tsoo nplhaib yog cov khoom siv sib tsoo zoo thiab cov khoom siv sib tsoo zoo tshaj plaws hauv kev lag luam calcium carbonate hnyav hauv Suav teb hauv kaum xyoo dhau los. Nws yog tus cwj pwm los ntawm qhov sib piv loj thiab kev siv hluav taws xob tsawg rau ib yam khoom. Lub tshuab cais tawm sab hauv lossis sab nraud tuaj yeem tsim cov khoom zoo heev nrog d97 ≤ 10 μm. Qhov zoo ntawm cov khoom tuaj yeem hloov kho ntawm d97 = 5 ~ 40 μm; qhov loj me ntawm cov khoom tsim nyog tshaj plaws yog d97 = 10 ~ 30 μm.

Lub tshuab zeb dov (lub tshuab zeb dov ntsug/lub tshuab zeb dov) yog ib qho ntawm cov khoom siv loj tshaj plaws rau kev sib tsoo zoo thiab kev sib tsoo zoo ntawm cov calcium carbonate hnyav. Nws yog tus cwj pwm los ntawm qhov sib piv loj ntawm kev sib tsoo. Qhov loj me ntawm cov khoom tsim nyog tshaj plaws yog d97 = 15 ~ 45μm. Tom qab lub tshuab cais tawm sab nraud tau teeb tsa, nws tuaj yeem tsim cov khoom zoo heev nrog d97 ≤ 10μm. Cov khoom muaj cov duab zoo thiab cov roj tsawg, uas yog qhov tshwj xeeb tshaj yog rau kev tsim khoom. Cov ntaub ntawv sib xyaw ua ke tsis muaj polyester (pob zeb dag) siv cov calcium carbonate hnyav, thiab muaj kev siv hluav taws xob tsawg thiab hnav ib qho khoom.

Cov txheej txheem sib tsoo ntub ultrafine feem ntau yog siv los tsim cov khoom siv ua ntawv txheej (slurry) nrog d90 ≤ 2μm thiab d97 ≤ 2μm, thiab cov calcium carbonate hnyav ultrafine nrog d60 ≤ 2μm (siv ua cov yas tom qab ziab). Feem ntau, ib lossis ob theem ntawm cov txheej txheem sib tsoo ultrafine tas mus li yog siv. Nws feem ntau muaj lub tshuab sib tsoo ntub lossis lub tshuab xuab zeb thiab cov thoob dej cia khoom thiab cov twj tso kua mis.

The production capacity of ordinary heavy calcium in the domestic market has become saturated, and the product price is low, and the technological content and added value are not high. For ultra-fine and active heavy calcium, domestic production capacity cannot meet the demand and still has great market potential. Overall, the main development trends of heavy calcium carbonate industry technology are large-scale, functional and intelligent. This is an inevitable requirement for the intensification, stabilization, structural optimization or specialization of heavy calcium carbonate production, as well as improving production efficiency, reducing energy consumption, wear and tear and reducing production costs. It is also an inevitable requirement for the development of production technology due to the significant increase in market demand and saving the amount of resin in polymer-based composite materials.It is necessary for domestic heavy calcium carbonate companies to learn from the successful experiences of world-famous calcium carbonate companies such as Omya and Imerys, and adopt high-efficiency, energy-saving large-scale equipment and advanced production technology to promote the in-depth development of my country’s heavy calcium carbonate industry in terms of scale and product refinement.As an equipment supplier recognized by Omya, HCM has provided calcium powder processing machinery and equipment to many Omya factories around the world, which are highly praised and favored by customers. If you have purchasing needs for calcium powder processing machinery and equipment, please contact us for details of the equipment. Email:hcmkt@hcmilling.com