Calcium chlorideyog ib yam tshuaj uas muaj cov chloride thiab calcium. Cov mis tshuaj yog CACL2, uas yog me ntsis iab. Nws yog ib hom ion-type halide, nrog cov khoom dawb, tawv lossis cov khoom me me ntawm chav tsev kub. Nws cov ntawv thov feem ntau suav nrog saline, cov neeg sawv cev yaj txoj kev thiab cov desiccants siv hauv cov khoom siv tub yees.
Calcium chlorideLos ntawm qhov tsos, feem ntau muab faib ua cov kua calcium chloride thiab cov khoom calcium chloride. Cov kua calcium chloride yog cov kua calcium chloride uas muaj cov dej, feem ntau cov calcium chloride muaj li ntawm 27 ~ 42%. Yog tias cov calcium chloride ntau dhau, cov kua yuav nplaum dhau, qhov kub yuav ua rau cov kua khov tsis khov, muaj teeb meem thauj mus los, tshem tawm, siv thiab lwm yam teeb meem. Cov khoom calcium chloride muaj peev xwm muab faib ua flake, pob, hmoov thiab lwm yam, nws cov khoom muaj pes tsawg leeg muab faib ua calcium chloride dihydrate lossis anhydrous calcium chloride. Cov calcium chloride hauv calcium chloride dihydrate feem ntau muaj li ntawm 72 ~ 78%, thiab cov calcium chloride hauv anhydrous calcium chloride ntau dua 90% lossis 94% (feem ntau yog cov calcium kheej kheej).
Feem ntau hais lus, cov txheej txheem tsim cov calcium spherical yog qhov nyuaj, qhov kev ruaj khov ntawm cov txheej txheem tsis siab, cov kev ua haujlwm yog nruj, kev siv zog ntau lawm yog me ntsis siab, tab sis nws cov khoom muaj qhov zoo ntawm qhov zoo nkauj, zoo fluidity ntawm Chemicalbook, tsis muaj plua plav, tsis muaj caking, tsis yooj yim rau nqus dej noo, yog li tus nqi muag khoom ntawm spherical calcium calcium chloride yog siab dua li flake lossis hmoov calcium chloride, feem ntau yog siv rau hauv tsev desiccant, xa tawm rau daus thiab dej khov yaj tus neeg sawv cev. Los ntawm qib, calcium chloride tuaj yeem faib ua qib kev lag luam calcium chloride thiab qib zaub mov calcium chloride. Piv nrog qib kev lag luam calcium chloride, qib zaub mov calcium chloride muaj cov kev cai nruj dua ntawm kev tswj hwm kev tsim khoom thiab cov khoom huv si siab dua. Cov qauv hauv tebchaws tau ntxiv cov cim qhia xws li xim, hlau hnyav (lead, arsenic) thiab fluorine cov ntsiab lus ntawm cov khoom. Qib zaub mov calcium chloride tuaj yeem siv ua stabilizer, tus neeg sawv cev solidifying, tus neeg sawv cev thickening, tus neeg sawv cev nutritive fortifying, desiccant, thiab lwm yam, nws ntau yam kev siv suav nrog cov khoom taum, nyias cream, dej qab zib, kua qab zib, jam, sib tov dej thiab kev pabcuam ua zaub mov hauv kev lag luam.
Cov ntawv thov tseem ceeb:
Calcium chlorideyog ua los ntawm chlorine thiab calcium thiab muaj cov tshuaj formula CaCl2. Nws yog ib qho ionic halide, dawb khov kho ntawm chav tsev kub thiab tsis muaj zog hauv cov kua dej. Calcium chloride, nws cov hydrates thiab cov kua muaj cov ntawv thov tseem ceeb hauv kev tsim khoom noj, cov ntaub ntawv tsim kho, tshuaj thiab biology.
Kev siv hauv kev lag luam
1, siv ua ntau yam desiccant, xws li nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide thiab lwm yam roj kom qhuav. Siv ua dehydrating agent hauv kev tsim cov cawv, esters, ethers thiab acrylics. Calcium chloride aqueous solution yog ib qho tseem ceeb refrigerant rau lub tshuab txias thiab ua dej khov. Nws tuaj yeem ua kom cov pob zeb khov sai dua thiab ua kom cov mortar tsev tsis txias. Nws yog ib qho zoo heev antifreeze agent. Siv ua port antifogging agent thiab txoj kev plua plav collector, ntaub hluav taws retardant agent. Siv ua tus neeg sawv cev tiv thaiv thiab refining agent rau aluminium magnesium metallurgy. Nws yog ib qho precipitator rau kev tsim cov xim pas dej. Siv rau deinking pov tseg daim ntawv ua. Nws yog cov khoom siv raw rau kev tsim cov ntsev calcium.
2. Tus neeg sawv cev chelating; Tus neeg sawv cev curing; Calcium fortifier; Cov tub yees txias; Desiccant; Anticoagulant; Microbiotics; Pickling tus neeg sawv cev; Cov khoom txhim kho cov ntaub so ntswg.
3, siv ua desiccant, tus neeg sawv cev sau plua plav ntawm txoj kev, tus neeg sawv cev fogging, cov ntaub hluav taws kub retardant, cov khoom noj preservatives thiab siv rau hauv kev tsim cov ntsev calcium.
4, siv ua cov roj nplua nyeem ntxiv.
5, siv ua ib qho tshuaj reagent analytical.
6. Nws yog siv rau kev kho mob tetany, urticaria, exusive edema, plab hnyuv thiab ureteral colic, magnesium lom thiab lwm yam uas tshwm sim los ntawm kev txo qis ntawm cov calcium hauv cov ntshav.
7, siv rau hauv kev lag luam khoom noj ua tus neeg sawv cev calcium fortifying, tus neeg sawv cev curing, tus neeg sawv cev chelating thiab desiccant.
8, tuaj yeem ua rau kom cov kab mob ntawm phab ntsa cell permeability nce ntxiv.
Kev siv khoom noj
1. Calcium chloridetuaj yeem ntxiv rau hauv cov khoom noj ua cov calcium enhancer, lossis ua cov coagulant rau tofu thiab cheese.
2. Calcium chloride tuaj yeem ntxiv rau hauv cov dej cawv thiab dej txias kom tswj tau qhov PH thiab qhov nyuaj ntawm cov dej haus.
3. Siv rau hauv kev lag luam khoom noj ua tus neeg sawv cev calcium fortifying, tus neeg sawv cev curing, tus neeg sawv cev chelating thiab desiccant.
4. Nws tuaj yeem ua rau kom cov kab mob ntawm phab ntsa ntawm cov kab mob permeability nce ntxiv.
5. Cov khoom yaj thiab exothermic ntawm calcium chloride ua rau nws siv rau hauv cov kaus poom thiab cov ntaub sov.
Txoj kev npaj:
1. Txoj kev siv Calcium chloride dihydrate (txoj kev ua kom qhuav):
Cov khoom noj uas tsis muaj dej calcium chloride noj tau npaj los ntawm kev ziab thiab dehydrating calcium chloride dihydrate ntawm 200 ~ 300 ℃.
Cov qauv tshuaj lom neeg yog raws li nram no:
Rau cov tshuaj calcium chloride tsis muaj zog, lub tshuab ziab khaub ncaws tuaj yeem siv tau ntawm 300 ℃ cov roj kub ntws rau kev ziab khaub ncaws kom qhuav, los npaj cov khoom tiav anhydrous calcium chloride hmoov.
2. Tshuaj tsuag kom qhuav thiab dewatering txoj kev:
Cov tshuaj calcium chloride uas tsis muaj roj, uas tau tshem tawm arsenic thiab cov hlau hnyav, raug txau rau hauv cov pa luam yeeb saum lub tshuab ziab kom qhuav los ntawm lub nozzle, thiab sib cuag nrog 300 ℃ cov roj kub kom qhuav thiab qhuav, thiab tom qab ntawd tau txais cov hmoov calcium chloride anhydrous los npaj cov khoom noj calcium chloride anhydrous.
3. Txoj kev haus dej cawv niam:
Ib qho kua dej yog tau los ntawm kev ntxiv cov mis txiv qaub rau cov cawv niam hauv cov txheej txheem ntawm cov tshauv dej qab zib los ntawm ammonia alkali txoj kev, uas yog tsim los ntawm kev ua kom qhuav, kev sib sau ua ke, kev txias thiab kev khov.
4. Txoj kev rhuav tshem cov khoom sib xyaw:
Nws yog tsim los ntawm kev ua ntawm calcium carbonate (limestone) nrog hydrochloric acid.
Cov qauv tshuaj lom neeg: CaCO3 + 2HCl = CaCl2 + H2O + CO2↑.
Tom qab ua tiav cov kauj ruam saum toj no, qhov kub tau raug cua sov rau 260 degrees Celsius, evaporation thiab dehydration.
5. Txoj kev ua kom zoo dua:
Cov khoom seem hauv kev tsim cov sodium hypochlorite yog ua kom zoo.
Ib yam khoom seem ntawm Solvay txheej txheem rau kev npaj sodium carbonate.
Ca(OH)2 + 2NH4Cl → CaCl2 + 2NH3 + 2H2O
Kev ceev faj ua haujlwm:
Kev ua haujlwm kaw kom muaj cua nkag tau zoo. Cov neeg ua haujlwm yuav tsum tau kawm tshwj xeeb thiab ua raws li cov txheej txheem ua haujlwm. Nws raug pom zoo kom cov neeg ua haujlwm hnav lub ntsej muag lim dej uas muaj peev xwm nqus tau hmoov av kom tsis txhob muaj hmoov av. Thaum tuav, yuav tsum tau thauj khoom thiab tshem tawm me me kom tiv thaiv kev puas tsuaj rau cov ntim khoom thiab cov thawv.
Kev ceev faj cia:
Khaws cia rau hauv qhov chaw txias thiab muaj cua nkag. Cov thawv ntim khoom yuav tsum kaw thiab tiv thaiv kom tsis txhob muaj dej noo. Khaws cia cais ntawm cov khoom noj uas qab heev.
Khoom ntim: 25KG/HNAB
Lub sijhawm tshaj tawm: Plaub Hlis-12-2023