Lubcov txheej txheem tanning tawvhloov cov tawv tsiaj nyoos mus ua tawv tawv uas ruaj khov thiab yoog tau, ib yam khoom siv tes ua uas tau ua tiav ntau pua xyoo tab sis txuas ntxiv hloov pauv nrog cov thev naus laus zis niaj hnub. Qhov tseem ceeb rau cov txheej txheem no, tshwj xeeb tshaj yog nyob rau hauv kev siv dav davCov txheej txheem tanning tawv chromium, yog kev tswj hwm qhov tseeb ntawm cov tshuaj lom neeg, xws lisodium sulfate, kom ntseeg tau tias tawv zoo tshaj plaws thiab ua raws li ib puag ncig. Kev hloov pauv hauv cov kev sib xyaw no tuaj yeem ua rau cov tawv nqaij lub cev tsis zoo thiab ua rau cov nqi tsim khoom nce siab, thaum cov txheej txheem saib xyuas ib txwm muaj feem ntau tsis ua tiav hauv kev daws teeb meem ntawm cov xov xwm corrosive thiab cov kev xav tau tiag tiag. Tsab xov xwm no tshawb nrhiav lub luag haujlwm tseem ceeb ntawmkev ntsuas ntawm sodium sulfatehauv chrome tanning, qhov nyuaj ntawm cov txheej txheem, cov kev txwv ntawm kev saib xyuas ib txwm muaj, thiab cov txiaj ntsig hloov pauv ntawm cov ntsuas inline concentration siab heev, xws li Lonnmeter, hauv kev ua tiav qhov tseeb thiab kev ua haujlwm zoo.
Chrome Concentration: Lub Pob Zeb Tseem Ceeb ntawm Cov Tawv Zoo
Chromium, feem ntau yog nyob rau hauv daim ntawv ntawm cov chromium sulfate (BCS), yog lub hauv paus ntawm kev tanning tawv niaj hnub, suav txog 80-90% ntawm kev tsim tawv thoob ntiaj teb vim nws muaj peev xwm tsim tawv nrog kev ruaj khov hydrothermal zoo kawg nkaus, kev ywj pheej, thiab cov yam ntxwv dyeing. Qhov concentration ntawm chromium hauv cov kua tanning ncaj qha cuam tshuam rau tawv qhov kub shrinkage (Ts), lub zog tensile, thiab softness. Piv txwv li, kev tshawb fawb qhia tau hais tias 10.8% nce hauv Cr₂O₃ cov ntsiab lus hauv tawv tuaj yeem txhim kho collagen fiber faib thiab cov khoom siv kho tshuab. Txawm li cas los xij, qhov ua tau zoo ntawm chromium fixation nyob ntawm cov tshuaj txhawb nqa, tshwj xeebsodium sulfate, uas ua kom lub da dej tanning pH ruaj khov thiab pab kom chromium nkag mus rau hauv. Tsis sib xwskev ntsuas ntawm sodium sulfatetuaj yeem cuam tshuam qhov sib npaug zoo no, ua rau tawv nqaij tsis sib npaug, tsis nqus tau chromium, thiab tawv nqaij tsis zoo. Yog li ntawd, kev tswj hwm qhov zoo tshaj plaws tsis yog tsuas yog qhov yuav tsum tau ua xwb tab sis yog qhov tseem ceeb ntawm kev txiav txim siab ntawm cov khoom kawg lub zog thiab kev zoo nkauj.
LubCov Txheej Txheem Tanning Tawv
Lubcov txheej txheem tanning tawvyog ib qho kev ua haujlwm nyuaj ntawm cov tshuaj lom neeg thiab cov txheej txheem kho tshuab uas tsim los hloov cov tawv nqaij uas lwj mus ua cov tawv nqaij ruaj khov thiab siv tau ntau yam. Nws pib nrog kev ua haujlwm beamhouse—kho, tsau, ua kom dawb, tshem cov plaub hau, ua kom cov tawv nqaij lwj, tshem cov xim av, ua kom dawb, thiab pickling—npaj cov tawv nqaij rau kev tanning los ntawm kev tshem tawm cov plaub hau, cov rog, thiab cov protein thaum kho nws cov pH. Cov theem tanning ua raws li, qhov twg cov tawv nqaij cov collagen fibers raug hloov kho los txhim kho kev ruaj khov thiab kev tiv thaiv kev lwj. Cov txheej txheem tom qab tanning, suav nrog kev rov ua dua, zas xim, thiab fatliquoring, ua kom cov tawv nqaij zoo nkauj thiab cov qauv. Ntawm cov txheej txheem tanning, lubCov txheej txheem tanning tawv chromiumdominates vim nws qhov ceev thiab muaj peev xwm tsim cov tawv nqaij ncab tau, zoo rau cov ntawv thov xws li hnab tes, khaub ncaws, thiab upholstery.
Txheej txheem cej luam ntawmCov Txheej Txheem Tanning Tawv Chromium
LubCov txheej txheem tanning tawv chromiumyog ib txoj kev ua kom yooj yim thiab ua tau zoo uas feem ntau ua tiav kev tanning hauv qab ib hnub, sib txawv ntawm cov lis piam lossis hli uas yuav tsum tau siv rau kev tanning zaub. Nws muaj ob peb kauj ruam tseem ceeb:
- Soaking thiab LimingCov tawv tsiaj raug muab tso rau hauv dej kom rov ua kom noo thiab tshem cov ntsev ntawm kev kho, tom qab ntawd muab calcium hydroxide thiab sodium sulfide liming los ua kom cov plaub hau xoob thiab npaj cov collagen matrix.
- Kev ua kua txobCov tawv nqaij raug muab tso rau hauv cov kua qaub uas muaj sodium chloride (6-8% los ntawm qhov hnyav) thiab sulfuric lossis formic acid kom txo pH mus rau 2.5-3.0, tiv thaiv collagen ntawm acid o thiab pab txhawb kev nkag mus rau hauv chromium.
- Kev pleev xim av: Muab cov chromium sulfate (6-8% ntawm qhov hnyav ntawm daim tawv, muaj ~25% Cr₂O₃) nkag mus rau hauv daim tawv kom tsim cov tshuaj sib xyaw nrog collagen. Tom qab ntawd pH raug tsa mus rau 3.8-4.0 siv sodium bicarbonate hauv kauj ruam basification los txhawb kev sib txuas, ua rau daim tawv "xiav ntub" uas muaj nws cov xim greyish-xiav.
- Tom qab Tanning: Kev rov ua kom tawv nqaij dua, zas xim, thiab ua kom cov tawv nqaij muaj roj ntau ntxiv, nrog rausodium sulfateua lub luag haujlwm tseem ceeb hauv kev ruaj khov cov tshuaj thiab pab txhawb kev kho kom zoo ntawm cov neeg sawv cev tanning.
Sodium Sulfatehauv Kev Kho Mob Tom Qab Tanning
Sodium sulfateyog qhov tseem ceeb rau kev tom qab tanning, tshwj xeeb tshaj yog nyob rau hauv desalting thiab tanning tus neeg sawv cev fixation, xyuas kom meej tias cov tawv nqaij zoo ib yam thiab ua raws li ib puag ncig.
- Cov Txheej Txheem DesaltingCov ntsev ntau ntau los ntawm kev pickling, feem ntau yog sodium chloride, ua rau muaj cov khoom khov tag nrho (TDS) ntau ntxiv hauv cov dej khib nyiab, ua rau muaj teeb meem rau ib puag ncig.Sodium sulfatesiv rau hauv kev tshem ntsev kom txo cov chloride, hloov txog li 80% ntawm sodium chloride hauv qee cov txheej txheem. Qhov kev hloov pauv no txo TDS, nrog rau kev tshawb fawb qhia txog kev txo qis txog li 97% hauv cov kab ke tanning uas zoo rau ib puag ncig, txo qhov ntsev ntawm cov dej khib nyiab uas tso tawm rau hauv cov kav dej pej xeem.
- Cov Txheej Txheem Kho Kom Zoo Rau Tanning Agent:Sodium sulfateua kom lub da dej tanning pH ruaj khov thiab ua kom chromium nqus tau zoo los ntawm kev tswj cov tshuaj collagen thiab chromium complexes. Nws tiv thaiv kev tanning sai dhau, ua kom muaj kev nkag mus zoo ib yam. Piv txwv li, tswj kom muaj kev sib xwskev ntsuas ntawm sodium sulfatetuaj yeem txhim kho kev nqus chromium los ntawm 28.5%, txo cov chromium seem hauv cov dej khib nyiab los ntawm 2000-5000 mg / L mus rau qis dua 300 mg / L, ua raws li cov cai ib puag ncig nruj dua.
Cov Kev Cuam Tshuam ntawm Kev Hloov Pauv ntawm Kev Ntsuas rau Cov Txheej Txheem thiab Qhov Zoo
Kev hloov pauv hauvkev ntsuas ntawm sodium sulfatetuaj yeem cuam tshuam rau qhovcov txheej txheem tanning tawvthiab cov khoom tshwm sim. Cov concentration siab dhau heev yuav ua rau muaj ntsev ntau dhau, ua rau collagen o, cov noob loj, thiab txo qhov mos, thaum cov concentration tsis txaus tuaj yeem ua rau tsis txaus chromium fixation, ua rau tsis sib npaug tanning thiab tawv tsis muaj zog. Cov kev tsis sib xws no ua rau cov nqi shrinkage nce ntxiv - kev tshawb fawb qhia txog kev nce ntawm 1.3% mus rau 5.2% nrog kev tswj ntsev tsis raug - thiab nce cov chromium effluent, ua rau muaj kuab paug ib puag ncig hnyav dua. Ntxiv mus, TDS siab los ntawm kev tsis raug desalting strains dej khib nyiab kho tshuab, ua rau cov nqi ua haujlwm nce ntxiv. Precisekev saib xyuas cov tshuaj tanning concentrationyog li ntawd, nws yog qhov tseem ceeb heev rau kev tswj hwm qhov zoo ntawm tawv thiab ua raws li cov qauv ib puag ncig, xws li 20 mg / L tag nrho cov chromium txwv rau kev tso dej tawm.
Cov teeb meem hauvKev Soj Ntsuam Xyuas Kev Ntsuas Cov Tshuaj Tanning
Kev saib xyuaskev ntsuas ntawm sodium sulfatenyob rau hauv lubCov txheej txheem tanning tawv chromiumnthuav tawm cov teeb meem loj vim yog cov xwm txheej nyuaj thiab kev txwv ntawm cov txheej txheem ib txwm muaj.
- Cov Kev Tsis Zoo hauv Kev Ntsuas Ib Txwm MuajCov txheej txheem ib txwm muaj, xws li titration lossis gravimetric analysis, yog siv zog ntau, siv sijhawm ntau, thiab yooj yim ua yuam kev los ntawm tib neeg. Cov txheej txheem offline no xav tau kev kuaj thiab kev tshuaj xyuas hauv chaw kuaj mob, ua rau qeeb kev hloov kho cov txheej txheem thiab muaj kev pheej hmoo ntawm kev hloov pauv zoo.
- Cov Khoom Siv Uas Muaj CorrosiveCov dej haus tanning, nrog lawv cov pH qis (2.5-4.0) thiab cov kua qaub, ntsev, thiab chromium ntau, yog cov corrosive heev, ua rau cov sensors ib txwm puas tsuaj thiab yuav tsum tau saib xyuas lossis hloov pauv ntau zaus.
- Cov Kev Cai rau Kev Saib Xyuas Tsis Tu NcuaQhov xwm txheej ntawm kev tanning xav tau cov ntaub ntawv tiag tiag los hloov kho cov tshuaj lom neeg sai sai. Kev kuaj ntau ntau tsis tuaj yeem ntes tau cov kev hloov pauv sai hauvkev ntsuas ntawm sodium sulfate, ua rau muaj kev tanning tsis sib xws thiab muaj kev pov tseg ntau ntxiv.
- Kev Ntsuas thiab Kev Ntsuas TseebCov cuab yeej ib txwm muaj feem ntau muaj teeb meem nrog kev kho kom raug thaum muaj ntau yam ions, ua rau kev nyeem ntawv tsis raug thiab kev tswj hwm cov txheej txheem tsis txhim khu kev qha.
- Kev Ua Raws Cai Ib puag ncigCov kev cai nruj heev, xws li cov kev txwv TDS thiab chromium hauv cov dej khib nyiab, yuav tsum tau saib xyuas kom meej kom tsis txhob raug nplua nyiaj ntau thiab xyuas kom meej tias kev ua haujlwm ruaj khov.
Lub Tshuab Ntsuas Concentration Lonnmeter Siab Tshaj Plaws
Lub Lonnmeterlub ntsuas tshuaj lom neegsawv cev rau kev tawg ua tej daim me me hauvkev saib xyuas cov tshuaj tanning concentration, tsim los daws cov teeb meem ntawm cov xov xwm corrosive thiab kev saib xyuas tas mus li. Cov cuab yeej inline siab heev no siv cov thev naus laus zis sensor robust, tiv taus acidic thiab saline ib puag ncig, los xa cov kev ntsuas tiag tiag, raug ntawmkev ntsuas ntawm sodium sulfateTsis zoo li cov txheej txheem ib txwm muaj, Lonnmeter sib xyaw ua ke zoo kawg nkaus rau hauv cov nruas tanning, muab cov ntaub ntawv txuas ntxiv yam tsis tas yuav tsum tau kuaj tes. Nws cov sensors siab-precision ua kom ntseeg tau tias kev ntsuas qhov tseeb, txawm tias nyob rau hauv cov dej cawv nyuaj, thaum nws cov qauv tsim ruaj khov txo qis kev saib xyuas, txo cov sijhawm tsis ua haujlwm thiab cov nqi. Los ntawm kev ua kom muaj kev tswj hwm meej ntawm cov tshuaj nkag, Lonnmeter txhim kho kev nqus chromium, txo cov pa phem ntawm cov dej khib nyiab, thiab txhawb nqa kev ua raws li cov qauv ib puag ncig.
Cov txiaj ntsig ntawm kev ntsuas qhov concentration hauv kab
Kev siv cov cuab yeej ntsuas inline concentration nrog cov cuab yeej zoo li Lonnmeter hloov pauv qhovcov txheej txheem tanning tawvlos ntawm kev muab:
- Kev Ua Haujlwm Zoo DuaKev soj ntsuam tiag tiag ua rau muaj kev hloov kho tam sim ntawd, txo cov tshuaj pov tseg thiab ua kom lub sijhawm tanning zoo dua. Cov kev tshawb fawb qhia tau tias cov txheej txheem inline tuaj yeem ua rau lub sijhawm tanning luv dua li ib feem peb thaum txhim kho kev nqus chrome los ntawm 13.8-28.5%.
- Zoo dua tawv nqaij zoo: Sib xwskev ntsuas ntawm sodium sulfateua kom muaj kev nkag mus rau hauv chromium sib npaug, ua kom tawv muaj zog tensile, tiv taus kua muag, thiab mos, nrog rau qhov shrinkage qis li 1.3%.
- Kev Ruaj Ntseg Ib puag ncigLos ntawm kev txo cov chromium thiab TDS seem hauv cov dej khib nyiab, kev saib xyuas hauv kab txhawb nqa kev tanning uas zoo rau ib puag ncig, txo BOD, COD, thiab TDS txog li 88%, 89%, thiab 97%, raws li, hauv cov txheej txheem siab heev.
- Kev Txuag NyiajKev siv tshuaj tsawg dua, cov nqi kho dej khib tsawg dua, thiab cov nqi kho kom tsawg dua ua rau kev ua haujlwm tau txiaj ntsig zoo dua.
- Kev Ua Raws CaiKev tswj hwm meej meej ua raws li cov cai ib puag ncig nruj, zam kev nplua thiab txhawb nqa kev tsim tawv nqaij kom ruaj khov.
- Kev Txiav Txim Siab Uas Siv Cov Ntaub Ntawv: Kev pub cov ntaub ntawv tas mus li ua rau muaj kev kwv yees kev txij nkawm thiab kev ua kom zoo dua qub, txhim kho kev ua haujlwm ntawm kev ua kom tawv nqaij zoo.
Rau cov chaw kho mob uas xav kom lawv cov menyuam noj qab nyob zooCov txheej txheem tanning tawv chromium, Lub Lonnmeter Concentration Meter muab kev daws teeb meem uas tau ua pov thawj los ua tus tswvkev ntsuas ntawm sodium sulfatetswj. Tiv tauj peb hnub no kom thov tus nqi (RFQ) rau Lonnmeter thiab tshawb pom tias kev ntsuas qhov ntsuas inline tuaj yeem hloov pauv koj cov haujlwm tanning li cas. Koom nrog cov thawj coj ntawm kev tsim tawv nqaij ruaj khov nrog cov thev naus laus zis uas xa cov txiaj ntsig.
Lub sijhawm tshaj tawm: Cuaj hlis-01-2025
