Hmoov Calcium Carbonate yog cov khoom siv ua kom muaj ntau yam khoom siv uas feem ntau yog calcium carbonate (CaCO₃), uas muaj cov yam ntxwv xws li dawb siab, tshuaj lom neeg ruaj khov, thiab pheej yig. Lub ntsiab lus tseem ceeb ntawm calcium carbonate yog CaCO₃ nrog cov qauv crystalline calcite lossis aragonite, thaum tseem muaj cov khoom tsis huv me me xws li magnesium, hlau, thiab silicon compounds. Cov khoom siv lub cev thiab tshuaj lom neeg tshwj xeeb ntawm Hmoov Calcium Carbonate tau ua rau nws yog cov khoom siv tseem ceeb hauv ntau yam lag luam thoob ntiaj teb, nrog rau kev siv cov yas, roj hmab, txheej, kev tsim kho, thiab kev tsim khoom noj.

1. Kev Tsim Calcium Carbonate: Ib qho txuj ci tseem ceeb ntawm geological uas tsim los ntawm xwm thiab chemistry

Cov khoom tseem ceeb ntawm cov calcium carbonate ntuj tsim los ntawm cov txheej txheem geological thiab biological ntau lab xyoo. Cov calcium carbonate hnyav (Ground Calcium Carbonate, GCC) pib los ntawm cov pob zeb sedimentary xws li limestone, calcite, thiab marble, tsim los ntawm kev sib sau ua ke ntawm cov tsiaj txhu hauv dej hiav txwv thiab pob txha ntawm cov dej hiav txwv thaum ub. Los ntawm cov txheej txheem tectonic, cov chaw no tau compacted thiab crystallized rau hauv cov minerals purity siab. Lub teeb calcium carbonate (Precipitated Calcium Carbonate, PCC) yog tsim los ntawm cov txheej txheem tshuaj lom neeg - limestone yog calcined los tsim calcium oxide, uas tom qab ntawd hydrated thiab carbonated nrog CO₂ los tsim cov khoom me me precipitated. Thaum lub sijhawm no, calcium carbonate tsim nws cov yam ntxwv - dawb siab, tswj tau qhov loj me ntawm cov khoom, thiab kev ua haujlwm ntau yam, yog li tso lub hauv paus rau nws cov ntawv thov kev lag luam dav dav.

Niaj hnub no, cov chaw tso calcium carbonate zoo thiab cov chaw tsim khoom tau muab faib thoob ntiaj teb. Cov chaw tsim khoom loj suav nrog Tuam Tshoj, Tebchaws Meskas, Tebchaws Europe, thiab Nyiv. Hauv Suav teb, cov chaw tsim khoom loj suav nrog Lingshan (Hebei Xeev), Guangxi, thiab Henan (Nanyang hmoov zeb ntsug). Cov khoom no sib txawv hauv cov txheej txheem tsim khoom thiab cov lus qhia (faib ua cov calcium hnyav, calcium sib dua, calcium ua haujlwm, thiab hmoov zeb ntsug), tab sis lawv txhua tus khaws cov yam ntxwv tseem ceeb ntawm calcium carbonate - dawb zoo heev, tshuaj lom neeg tsis ruaj khov, thiab peev xwm ntim khoom pheej yig los ntawm nws qhov tshwm sim ntuj thiab kev hloov pauv ntau yam.

2. Cov Khoom Tseem Ceeb ntawm Calcium Carbonate: Vim li cas nws thiaj zoo kawg li?

Kev ua tau zoo tshaj plaws ntawm calcium carbonate yog vim nws cov tshuaj lom neeg tshwj xeeb thiab cov yam ntxwv ntawm lub cev.

Dawb thiab ci ntsa iab siabCov qib zoo tshaj plaws ua tiav qib dawb ntawm 93-95.8, muab lub zog zais zoo heev thiab kev zoo nkauj hauv daim ntawv, txheej, thiab cov yas.

Kev Ruaj Ntseg TshuajCalcium carbonate tsis muaj tshuaj lom, tsis muaj tshuaj lom, thiab zoo rau ib puag ncig. Nws yog alkaline tsis muaj zog (pH ~ 9), ruaj khov nyob rau hauv cov xwm txheej ib txwm muaj, thiab tsis yooj yim cuam tshuam nrog feem ntau cov tshuaj, ua kom muaj kev nyab xeeb thiab kev ntseeg siab hauv ntau yam kev siv suav nrog kev sib cuag zaub mov.

Kev Sau Ntim Uas Pheej YigUa ib qho ntawm cov zaub mov muaj ntau tshaj plaws hauv ntiaj teb, calcium carbonate muab kev txuag nyiaj zoo heev, txo cov nqi khoom siv raw hauv cov yas, roj hmab, thiab cov txheej thaum tseem tswj tau qhov ua tau zoo ntawm cov khoom.

Qhov Loj ntawm Cov Khoom Me Me uas Tswj TauMuaj ntau qhov loj ntawm cov khoom me me—txij li ntawm cov khoom loj li 325 mesh (45 microns) mus txog rau 2500 mesh (5 microns)—ua kom muaj kev ua haujlwm zoo tshaj plaws rau cov kev siv tshwj xeeb.

Kev yaj ntawm cov kua qaub: Nws yooj yim cuam tshuam nrog cov kua qaub kom tso CO₂ tawm, muaj txiaj ntsig zoo rau cov tshuaj antacid, kev kho pH hauv av, thiab cov ntawv thov desulfurization roj flue.

Cov Khoom Siv Kho Tshuab Zoo Dua: Txhim kho lub zog tensile, tiv taus kua muag, thiab tiv taus kev sib txhuam hauv roj hmab thiab yas thaum sib xyaw kom zoo.

Kev Sib Tw Hloov Kho Nto: Muaj peev xwm kho tau nrog stearic acid, silane coupling agents, lossis lwm yam modifiers los txhim kho kev sib kis, hydrophobicity, thiab kev sib raug zoo nrog polymer matrices.

Cov khoom no ua haujlwm ua ke, ua rau calcium carbonate yog cov khoom siv dav dav. Nws tuaj yeem siv ua cov khoom siv ua kom muaj zog, ua kom muaj zog, hloov pH, lossis txo tus nqi kom tau raws li ntau yam kev xav tau ntawm ntau yam kev lag luam.

Calcium carbonate muaj ntau daim ntawv thov thiab tau koom ua ke tob rau hauv txhua qhov chaw ntawm lub teb chaws kev lag luam, ua lub luag haujlwm tseem ceeb hauv kev tsim khoom, kev tsim kho, kev ua liaj ua teb, thiab kev tsim khoom noj.

3. Kev Siv Ntau Yam ntawm Calcium Carbonate

3.1 Kev Lag Luam Yas thiab Roj Hmab (Cov Ntawv Thov Tseem Ceeb)

Calcium carbonate lub peev xwm zoo heev rau kev ntim khoom, txo nqi, thiab kev txhim kho tshuab ua rau nws yog ib qho khoom siv polymer zoo tagnrho:

Kev Sib Xyaws YasCov calcium carbonate hnyav (325 mesh, 170-400 yuan/ton los ntawm Lingshan; 800-1250 mesh, 500-600 yuan/ton) ua rau cov khoom ntau ntxiv, txo cov nqi resin, thiab txhim kho qhov ruaj khov ntawm qhov ntev, qhov du ntawm qhov chaw, thiab cov yam ntxwv ua tiav hauv PVC, PP, PE, thiab lwm yam thermoplastics.

Kev Txhawb Nqa Roj HmabUa kom lub zog tensile, lub zog rhuav, thiab kev tiv taus kev sib txhuam hauv cov log tsheb, cov yeeb nkab, cov siv, thiab cov khoom siv roj hmab pwm. Calcium sib dua (700-1300 yuan/tuj) muab cov khoom me me rau cov ntawv thov zoo.

Masterbatch thiab Xim Concentrates: Cov qib purity siab muab kev sib kis zoo heev thiab xim sib xws hauv cov xim yas thiab cov khoom siv ntxiv.

Cov Ntawv Thov Calcium Ua HaujlwmCov calcium carbonate uas hloov kho rau saum npoo av (1250-2800 yuan/ton) ua rau muaj kev sib raug zoo nrog cov yas engineering, txo cov agglomeration thiab txhim kho cov khoom siv kho tshuab hauv cov khoom sib xyaw ua haujlwm siab.

3.2 Cov Tshuaj Pleev Xim, Cov Xim Pleev Xim, thiab Cov Kua Xim

Nrog nws cov txiaj ntsig tseem ceeb ntawm kev ruaj khov ntawm kev sib kis, kev tsis pom kev, thiab kev siv nyiaj tsim nyog, nws muaj txiaj ntsig zoo hauv kev lag luam txheej txheem:

Cov Txheej Txheem Tsim Kho Vaj Tse: Cov calcium carbonate hnyav muab cov yam ntxwv zoo heev rau kev sib xyaw, tiv thaiv kev sib sau ua ke thaum txhim kho kev txhuam thiab kev tsim cov zaj duab xis. Tsis yooj yim sib sau ua ke thiab muab cov xim ci ntsa iab rau sab hauv thiab sab nraud.

Cov Txheej Txheem Kev Lag Luam: Ua kom ruaj khov, tiv taus huab cua, thiab tiv thaiv xeb hauv cov txheej tiv thaiv rau hlau, ntoo, thiab pob zeb.

Cov Hmoov Txheej: Muab kev tswj kev ntws, kev npog ntug, thiab kev txo nqi hauv cov txheej txheem txheej hmoov uas tsis ua rau ib puag ncig puas tsuaj.

Cov Kua Luam NtawvTxhim kho rheology, hloov pauv zog, thiab luam tawm zoo hauv ntau hom kua mem.

3.3 Kev Tsim Kho thiab Cov Khoom Siv Hauv Tsev

Vim nws muaj zog sib txuas thiab tiv taus hluav taws, nws yog siv dav hauv kev siv hauv kev tsim kho:

Pob zeb thiab Mortar: Txhim kho kev ua haujlwm tau zoo, txo cov cement hauv cov khoom siv, thiab ua kom lub zog ntev ntawm cov pob zeb sib xyaw ua ke thiab cov av qhuav siv tau ntev.

Pob Zeb Cuav thiab Pobzeb: Muab cov khoom siv rau lub cev, txhim kho qhov dawb, thiab txhim kho kev tiv thaiv hluav taws hauv kev tsim cov pob zeb marble, granite, thiab cov vuas ceramic.

Phab ntsa qhuav thiab Qab nthab Panels: Txhim kho lub zog, qhov chaw tiav, thiab kev ua tau zoo ntawm gypsum board thiab calcium silicate qab nthab.

Cov Khoom Siv Tiv Thaiv Dej: Cov calcium hnyav tuaj yeem hloov cov hmoov quartz hauv cov txheej tiv thaiv dej, muab kev sau nqi pheej yig yam tsis muaj kev cuam tshuam rau kev ua haujlwm.

3.4 Daim Ntawv thiab Kev Luam Ntawv

Vim nws qhov ci ntsa iab thiab luam tawm tau zoo heev, nws siv dav hauv kev tsim ntawv:

Cov Khoom Siv Sau Ntawv: Ua kom cov ntawv tuab, qhov tsis pom kev, thiab qhov kaj ci ntsa iab thaum txo cov kev siv ntoo thiab cov nqi tsim khoom hauv cov ntawv xov xwm, ntawv theej, thiab cov qib ntim khoom.

Cov xim pleev xim: Cov calcium sib dua thiab cov qib zoo heev muab qhov du ntawm qhov chaw zoo dua, ci ntsa iab ntawm cov ntawv luam tawm, thiab txais tau cov kua mem hauv cov ntawv zoo thiab cov ntawv xov xwm uas tau coated.

3.5 Khoom noj khoom haus, Kev ua liaj ua teb, thiab lwm yam lag luam

Cov Ntawv Thov Qib Khoom NojSiv ua khoom noj khoom haus ntxiv (E170) rau kev txhawb nqa calcium, tus neeg sawv cev tiv thaiv kev sib sau ua ke, thiab tus tswj pH hauv cov khoom ci, dej haus, thiab cov tshuaj noj ntxiv.

Cov Ntawv Thov Ua Liaj Ua TebSiv ua ib yam khoom siv los kho cov av kom tsis txhob muaj cov kua qaub ntau dhau, ua kom muaj cov as-ham ntau ntxiv, thiab ua kom cov qoob loo ntau ntxiv. Siv tau los hloov cov hmoov zeolite kim heev rau cov khoom noj thiab kev ua liaj ua teb.

Cov Ntawv Thov Ib puag ncigSiv rau hauv cov tshuab flue gas desulfurization (FGD) kom tshem tawm cov pa phem SO₂ los ntawm cov chaw tsim hluav taws xob thiab cov chaw ua haujlwm hauv kev lag luam.

Cov TshuajCov khoom xyaw nquag hauv cov tshuaj antacid thiab cov tshuaj calcium.

Hloov pauv tau ntau yam: Muaj peev xwm hloov tau cov hmoov quartz, xuab zeb silica, wollastonite, talc, kaolin ntxuav, thiab lwm yam hmoov av dawb hauv ntau yam kev siv, muab kev txuag nyiaj ntau.

4. Yuav Ua Li Cas Xaiv Cov Calcium Carbonate Zoo?

Qhov zoo ntawm calcium carbonate txawv ntau heev. Nws cov kev ua tau zoo nyob ntawm cov cim tseem ceeb xws li txoj kev tsim khoom, qhov loj ntawm cov khoom me me, thiab kev huv. Cov hauv qab no yuav tsum tau xav txog thaum xaiv calcium carbonate:

Txoj Kev Tsim KhoomCov calcium carbonate hnyav yog tsim los ntawm kev sib tsoo cov hlau ntuj, muab kev ntim khoom pheej yig nrog cov khoom loj dua (1-45 microns) thiab nqus roj tsawg dua. Cov calcium carbonate sib dua yog precipitated los ntawm tshuaj lom neeg, muab cov khoom me me (0.5-15 microns), huv dua, dawb dua, thiab nqus roj ntau dua rau cov ntawv thov zoo.

Qhov Loj thiab Qhov Zoo ntawm Cov Khoom Me Me: 325 mesh (44 microns) yog tus qauv rau kev sau thiab kev tsim kho dav dav. 800-1250 mesh (10-18 microns) muab qhov chaw tiav zoo dua hauv cov yas thiab cov txheej txheej. 2000-2500 mesh (5-6.5 microns) muab kev txhawb nqa siab tshaj plaws thiab ci ntsa iab hauv cov txheej txheej siab thiab cov yas. Nanyang ntsug zeb hmoov muab kev faib tawm cov khoom sib xws nrog kev tswj hwm thaj chaw tshwj xeeb.

Kev ntshiab thiab cov ntsiab lus calciumCov qib txheem muaj 90-97% CaCO₃. Cov qib siab huv (98% CaCO₃, 95.8° dawb) yog qhov yuav tsum tau rau cov khoom noj, tshuaj, thiab cov txheej txheem zoo tshaj plaws. Cov qib qis dua yog siv tau rau kev tsim kho thiab kev siv hauv kev lag luam dav dav.

Kev dawb thiab qhov kajCov calcium hnyav Lingshan txheem muaj qhov dawb ntawm 80-85°. Cov qib zoo tshaj plaws ua tiav qhov dawb ntawm 93-95.8° rau cov ntawv txheej thiab cov xim ci ntsa iab. Qhia meej txog qhov yuav tsum tau dawb raws li kev zoo nkauj siv kawg.

Kev Kho Mob NtoCov calcium carbonate uas ua kom muaj zog yog kho nrog cov roj fatty acids lossis cov neeg sawv cev silane coupling kom txhim kho hydrophobicity, dispersion, thiab polymer compatibility. Qhov tseem ceeb rau kev siv cov yas thiab roj hmab ua haujlwm siab.

Cov Qib Tshwj Xeeb: Nanyang ntsug zeb hmoov muaj cov dej ntws zoo heev nrog ntxiv stearic acid, cov yam ntxwv zoo tshaj plaws nrog cov neeg sawv cev dispersing, thiab kev ua tau zoo tshaj plaws hauv cov ntoo-yas composites (tsis haum rau pob zeb-yas composites). Cov lus qhia suav nrog kev nqus roj 23-30, CaCO₃ cov ntsiab lus > 97%, HCl insolubles <0.1%, noo noo <0.2%, pH 9.

Txoj Kev Hloov ChawRau kev txhim kho tus nqi, Lingshan calcium carbonate tuaj yeem hloov pauv cov hmoov zeolite dawb hauv kev pub / kev ua liaj ua teb, hmoov silica hauv kev tiv thaiv dej, xuab zeb dawb quartz, wollastonite, talc, thiab ntxuav kaolin hauv cov ntawv thov tsim nyog.

Daim Ntawv Pov Thawj Ua Raws CaiXaiv cov neeg muag khoom uas muaj daim ntawv pov thawj ISO9001 lossis lwm daim ntawv pov thawj ntawm lub kaw lus; cov khoom noj khoom haus/qib tshuaj yuav tsum ua tau raws li FDA/EC cov cai (E170); cov yas thiab roj hmab yuav tsum ua raws li cov lus qhia ntawm cov khoom siv; cov khoom xa tawm yuav tsum ua tau raws li RoHS, REACH, thiab cov qauv thoob ntiaj teb.

5. Kev Sib Piv ntawm Calcium Carbonate nrog Lwm Cov Khoom Siv Zoo Sib Xws

Calcium carbonate, talc, kaolin, thiab barium sulfate txhua tus muaj lawv tus kheej lub zog thiab kev siv: Talc muaj lubricity zoo dua thiab tsim nyog dua rau cov ntawv thov uas xav tau kev sib txhuam tsawg thiab cov qauv mos, tab sis nws tsis muaj kev siv nyiaj tsawg, acid reactivity, thiab muaj calcium carbonate thoob ntiaj teb; Kaolin muab kev plasticity zoo heev thiab nyiam rau cov ntawv thov ceramic thiab ntawv qhov twg ua haujlwm tau zoo yog qhov tseem ceeb, thaum calcium carbonate muaj qhov zoo hauv tus nqi, tshuaj inertness, thiab yooj yim ntawm kev sib kis, ua rau nws ua haujlwm tau zoo dua li kaolin hauv plastics thiab cov txheej txheem dav dav; Barium sulfate muab qhov ceev dua thiab X-ray opacity rau kev kho mob tshwj xeeb thiab kev siv hauv kev lag luam, tab sis calcium carbonate muaj kev siv nyiaj tsawg dua, qhov ceev qis dua, thiab kev lees txais dav dua rau kev siv khoom noj thiab tshuaj. Kev xaiv cov khoom siv nyob ntawm cov kev xav tau tshwj xeeb; hauv cov ntawv thov uas xav tau kev sau nqi zoo, qhov ci ntsa iab, kev ruaj khov tshuaj lom neeg, thiab kev ua haujlwm ntau yam, calcium carbonate qhov zoo tsis muaj qhov sib piv.

Xaus Lus: Calcium Carbonate - Ib Qho Kev Dais Teeb Meem Rau Kev Txhim Kho Niaj Hnub

Txij li kev txhawb nqa cov yas pheej yig thiab cov ntawv zoo mus rau kev txhim kho cov ntaub ntawv tsim kho thiab kev ua liaj ua teb, los ntawm kev txhim kho kev ua haujlwm ntawm cov txheej txheem mus rau kev muab cov khoom noj khoom haus tseem ceeb, calcium carbonate, nrog nws cov keeb kwm ntuj tsim thiab cov khoom siv ntau yam, tau dhau los ua cov khoom siv tseem ceeb hauv zej zog niaj hnub no.

Ua ib lub tuam txhab muab khoom siv tshaj lij uas muaj ntau yam khoom siv hauv av los ntawm Lingshan, Guangxi, thiab Nanyang cheeb tsam thiab cov thev naus laus zis ua tiav siab heev (kev sib tsoo tshuab, kev ua kom cov tshuaj lom neeg los nag, kev ua kom nto, kev sib tsoo ntsug), peb tuaj yeem muab cov kev daws teeb meem rau cov yas, roj hmab, txheej, kev tsim kho, ntawv, khoom noj, thiab lwm yam. Peb cov khoom tau dhau los ntawm kev tshuaj xyuas zoo thiab cov ntawv pov thawj thoob ntiaj teb, ua kom ntseeg tau tias muaj kev ntseeg siab thiab ruaj khov.

Txawm hais tias koj xav tau cov calcium hnyav uas pheej yig rau kev sau ntim, cov calcium ntshiab siab rau cov txheej txheem zoo tshaj plaws, cov qib ua haujlwm saum npoo rau cov yas engineering, cov hmoov zeb ntsug tshwj xeeb rau cov ntoo-yas sib xyaw, lossis cov calcium qib zaub mov rau cov ntawv thov kev noj haus, peb pab neeg mob siab rau kev muab kev pabcuam tus kheej thiab cov qauv dawb rau koj los pab koj nrhiav cov khoom calcium carbonate tsim nyog tshaj plaws. Peb tos ntsoov yuav koom tes nrog koj los tsim kom muaj lub neej yav tom ntej zoo dua, pheej yig dua, thiab ruaj khov!