Qhov sib txawv ntawm daim ntawv thov ntawm Titanium cua sov Tubes nyob rau hauv peb qhov xwm txheej: Khoom noj khoom haus fermentation, Pharmaceutical Sterile Fermentation thiab Industrial Wastewater Treatment

Ntshiab titanium cua sov raj yog feem ntau ua hauj lwm nyob rau hauv industrial khib nyiab cua sov tshuab, tshuaj sterile fermentation, thiab zaub mov fermentation. Txawm hais tias qhov tseeb tias cov khoom siv substrate feem ntau yog Qib 2 TA2 ntshiab titanium, cov qauv tsim, cov qauv kev saib xyuas, thiab kev pab cuam lub neej txwv tsis pub muaj qhov sib txawv vim qhov sib txawv ntawm qhov nruab nrab muaj pes tsawg leeg, cov qauv kev tu cev, kev ua haujlwm, thiab kev tu hom. Peb daim ntawv thov scenarios tau muab piv rau hauv kab lus no, thiab cov qauv tsim tshwj xeeb thiab kev ua haujlwm tshwj xeeb tau muab.

1. Kev sib piv ntawm corrosion load thiab nruab nrab ib puag ncig
1.1 Khoom noj khoom haus fermentation (kev npaj enzyme, brewing, thiab dej haus ntau lawm)
Cov yam ntxwv nruab nrab: Cov tshuaj chloride ions nruab nrab, cov ntsiab lus tsis hnyav hlau, tsis muaj fluoride, suab thaj siab, organic acid (lactic acid, acetic acid), thiab cov tshuaj chloride ions nruab nrab.

CIP tu: Tus neeg saib xyuas cov kua qaub yog citric acid, uas yog siv rau descaling nyob rau hauv ib lub lim tiam los yog ob lub lis piam. Qhov siab tshaj plaws alkali kub yog 60 degree.

Corrosion load: Thawj qhov kev txhim kho corrosion yog nruab nrab, ntev - lub sij hawm organic carbon scale kev pab them nqi; tsis muaj teeb meem loj etching txaus ntshai.

1.2 Pharmaceutical sterile fermentation (cov kab lis kev cai ntawm tes, tshuaj lom neeg, tshuaj tua kab mob)
Cov yam ntxwv nruab nrab: Siab-purity kab lis kev cai nruab nrab, nruj tswj cov kab hlau ion tawg, hloov siab -frequency acid-base CIP sterilization, nruj tu cev, thiab tsis muaj fluoride.

CIP tu: Txhua hnub me me alkali ncig, txhua hli sib sib zog nqus kua qaub descaling, thiab tsis tu ncua puv tank siab -kub kom tsis muaj menyuam.

Corrosion load: Cov zaj duab xis tsis tu ncua yog thinned los ntawm siab, nquag pH ntse hloov pauv thiab siab - qhov kub thiab txias, uas ua rau cov hlau ion nag lossis daus thiab cov khoom ncaj qha scrapping.

1.3 Kev kho cov dej tawm hauv kev lag luam, suav nrog cov dej khib nyiab los ntawm electroplating, luam ntawv, thiab dyeing.
Cov yam ntxwv nruab nrab muaj xws li cov ntsiab lus siab ntawm TDS ntsev, chloride, taug qab cov hlau hnyav ions, qee zaus cov kab mob fluoride, tus nqi pH sib txawv, thiab qhov tseem ceeb ntawm inorganic ntxhia nplai.

Hom kev tu: Tsis tu ncua pickling descaling, uas nquag siv cov dilute inorganic acids (hydrochloric acid, sulfuric acid) kom tshem tawm cov ntsev ntsev.

Nyob rau hauv - deposit pitting, galvanic corrosion los ntawm hnyav hlau sediment, hydrogen embrittlement, thiab fluoride etching txaus ntshai coexist; corrosion load yog siab heev.

2. Cov qauv tau sib txawv los ntawm cov qauv tsim qauv
Tswv yim:

Tsim Parameter Zaub Mov Fermentation Pharmaceutical Sterile Fermentation Industrial Wastewater Cua sov
Cov khoom pom zoo: TA2 Qib 2 ntshiab titanium TA1 Qib 1 ultra- tsis tshua muaj hlau ntshiab titanium TA2 ntshiab titanium (yog tias muaj fluoride, hloov mus rau PFA)
Nto lub zog ntom ntom 0.5–0.8 W / cm² 0.3–0.5 W / cm² Tsawg dua lossis sib npaug 0.4 W / cm² ultra- lub nra hnyav
Phab ntsa thickness ntawm txheem raj: 1.5 hli, 1.8 hli, 2.0 hli, thiab 2.0 hli rau siab - dej qab ntsev.
Installation layout: multi-tube faib, 10℃mus rau 15℃inclined arrangementSmall ib leeg raj fais fab, ntsug layout preferredEnhanced flow diversion baffle, ntsug configuration
Cov khoom siv uas muab kev txhawb nqa suav nrog TA2 titanium bracket lossis PTFE-coated steel.Titanium fasteners, nkauj xwb PTFE gaskets, thiab tag nrho cov titanium flangeTxhua txoj haujlwm sib cuag tau tag nrho nrog PTFE.
Kev piav qhia ntawm tus qauv tsim qauv sib txawv
TA1 titanium yog cov khoom siv tseem ceeb siv hauv kev siv tshuaj fermentation los txo cov kev sib cais ntawm cov hlau ions thiab ua raws li GMP hnyav hlau txwv cov qauv. Lub ultra- tsis tshua muaj zog ceev ntawm cov txheej txheem txo qhov kub ntawm lub raj phab ntsa thiab ncua kev laus ntawm cov zaj duab xis passive thaum raug tsis tu ncua tsis tu ncua.

Txhawm rau kom ntseeg tau tias cov dej khib nyiab hauv kev lag luam muaj qhov tsim nyog corrosion txaus rau siab -salinity pitting, cov phab ntsa tuab tshaj plaws thiab qis zog ceev yog siv. Titanium tubes raug tshem tawm tag nrho thaum kuaj pom cov tshuaj fluoride hauv cov dej khib nyiab.

TA2 inclined layout mitigates npuas stagnation nrog nruab nrab cua sov load, yog li ua tiav qhov sib npaug ntawm tus nqi thiab kev ua haujlwm hauv cov khoom noj fermentation.

3. Cov kev qhia tshwj xeeb ntawm CIP ntxuav kev ua haujlwm tau sib txawv.
Fermentation ntawm zaub mov
Alkali kua: 40-60 degree, 3% -5% NaOH, 2-3 teev ncig;

Cov kua qaub: 2% mus rau 4% citric acid, Tsawg dua lossis sib npaug li 45 degree, Tsawg dua lossis sib npaug li 2 teev;

Lub voj voog ntau zaus: kev tu txhua lub lim tiam, txhua hli sib sib zog nqus descaling.

Kev txwv tsis pub ua haujlwm: Kev ncig ntawm cov concentrated alkali ntawm qhov kub thiab txias rau lub sijhawm ntev yog txwv.

Pharmaceutical sterile fermentation
Alkali kua: 3% dilute alkali, 40-50 degree, kev tu txhua hnub luv luv;

Cov kua qaub: Txhua hli descaling nrog qis -concentration citric acid, nrog rau kev tswj nruj ntawm lub sij hawm immersion tsawg dua los yog sib npaug li 1 teev.

Txhawm rau tiv thaiv cov hlau ion tawg thiab rov- tsim kom muaj cov yeeb yaj kiab tsis zoo, cov dej aerated passivation yuav tsum tau ua rau 24 teev tom qab kev ntxuav.

Tshwj xeeb yuav tsum tau: Txhawm rau tiv thaiv hydrogen nqus thiab nruab nrab hlau paug, inorganic acid pickling yog txwv.

Muaj dej khib nyiab
Diluted inorganic acid nrog tshwj xeeb titanium corrosion inhibitor raug tso cai rau descaling.

ib lub sij hawm pickling tsis pub ntau tshaj ib teev, thiab kub tsis tshaj plaub caug degrees Celsius;

Tom qab txhua qhov inorganic acid ntxuav, nws yuav tsum tau ci hydrogen ntawm 120 ~ 150℃rau 3 teev kom tshem tawm qhov kev pheej hmoo ntawm hydrogen embrittlement.

Nws yog tsis yooj yim sua kom siv siab -concentration heated alkali rau lub sij hawm ntev - ncig.

4. Qhov txawv ntawm lub voj voog txij nkawm thiab kev kuaj xyuas tus qauv
4.1 Lub hom phiaj tseem ceeb ntawm kev tshuaj xyuas txhua hnub
Khoom noj khoom haus fermentation: Flange to, tsub zuj zuj ntawm deg carbon scale, thiab kua theem interlock test.

Pharmaceutical fermentation: Tiag -lub sij hawm saib xyuas ntawm cov cua sov hloov pauv yog tsim nyog ntxiv rau kev saib xyuas yooj yim (surges fais fab sawv cev muaj kev pheej hmoo ntawm ion dissolution thiab passive zaj duab xis puas).

Ua kom pom tseeb ntawm cov tshuaj fluoride hauv cov dej zoo, cov dej ntws ntws, thiab kev pab cuam ntawm cov hlau hnyav hnyav ntawm phab ntsa raj hauv cov khoom siv hluav taws xob.

4.2 Qhov txawv ntawm qhov ntsuas qhov ntsuas tus qauv
Kev nyab xeeb rau phab ntsa thickness

Khoom noj khoom haus: Ib txwm ua haujlwm yuav tsum muaj cov phab ntsa seem ntawm tsawg kawg yog 70% ntawm qhov qub thickness, thaum lub thickness qis dua 50% yuav tsum tau hloov.

Pharmaceutical: Cov phab ntsa seem yuav tsum yog tsawg kawg yog 75% ntawm nws cov tuab tuab kom ntseeg tau tias muaj kev nyab xeeb. Yog tias nws poob qis dua 60%, yuav tsum muaj kev ceeb toom thaum ntxov (txoj cai nruj nruj yog nyob rau hauv qhov chaw, thiab me ntsis thinning yuav ua rau ion nag lossis daus).

Cov dej khib nyiab: Hauv zos pitting depletion hauv qab 55% yuav tsum tau hloov tam sim ntawm cov phab ntsa seem, uas yuav tsum yog tsawg kawg yog 70% ntawm nws qhov qub thickness.

Txheem rau passive zaj duab xis muaj peev xwm

Khoom noj khoom haus: tsim nyog ntawm qhov hluav taws xob ntau dua lossis sib npaug rau +150mV;

Pharmaceutical: tus qauv nruj dua ntawm ntau dua lossis sib npaug rau +160mV yog qhov yuav tsum tau, thiab qhov muaj peev xwm qis dua yuav tsum muaj qhov tseem ceeb tam sim ntawd re-passivation.

Kev lees txais cov dej khib nyiab ntau dua lossis sib npaug rau +140mV; nquag re-passivation yog tsim nyog.

4.3 Siv rau lub luag haujlwm tag nrho
TA2 titanium raj rau zaub mov fermentation: 3 mus rau 5 xyoo nrog kev saib xyuas tus qauv.

Kev laus ntawm zaj duab xis yog nrawm nrawm los ntawm kev ua kom tsis muaj menyuam hauv cov tshuaj TA1 titanium raj, uas muaj lub neej ntev ntawm 3 txog 4 xyoos.

Lub neej kev pab cuam ntawm cov dej khib nyiab TA2 titanium raj yog txo qis los ntawm lub nra hnyav, uas tuaj yeem ua haujlwm li ntawm 1.5 txog 3 xyoos.

5. Feem ntau hom kev ua tsis tiav hauv txhua qhov xwm txheej
Ua tsis tiav hauv cov zaub mov fermentation uas yog qhov tseem ceeb
Npuas stagnation pitting ntawm phab ntsa ntawm lub raj sab sauv, uas yog qhov tshwm sim ntawm kab rov tav installation.

Crevice corrosion tshwm sim los ntawm tuab organic carbon scale uas yog tam sim no nyob rau hauv lub deposit;

Passive film microcracks uas yog tshwm sim los ntawm nquag acid- puag ncig thermal.

Pharmaceutical sterility fermentation dominant tsis ua haujlwm
Lub zos thinning ntawm weld thiab ion nag lossis daus los ntawm kev ua haujlwm siab txhua hnub -frequency sterilization;

Flange galvanic corrosion raws li qhov tshwm sim ntawm cov khoom siv hlau tsis sib xws uas tsis muaj kev sib cais ua tiav PTFE;

Kev laus tsis tu ncua ntawm cov yeeb yaj kiab tsis tu ncua ua rau cov hlau nruab nrab ions uas dhau tus qauv.

Kev ua tsis tiav uas yog qhov tseem ceeb hauv cov dej khib nyiab
Sib sib zog nqus pitting corrosion tshwm sim los ntawm siab TDS ntsev ions nyob rau hauv lub teev;

Cov tawg tawg tshwm sim los ntawm hydrogen embrittlement tom qab inorganic acid pickling yam tsis muaj hydrogen tshem tawm ci;

Trace fluoride uniform matrix etching (irreversible tsis ua hauj lwm).

6. Cov ntsiab lus ntawm kev txiav txim siab xaiv cov khoom siv scenario
Qhov kev xaiv zoo tshaj plaws rau kev tsim khoom noj fermentation thiab dej haus yog tus nqi - siv tau TA2 titanium raj nrog lub zog nruab nrab.

Txhawm rau ua raws li GMP cov qauv kev nyiam huv, cov tshuaj tua kab mob thiab tshuaj lom neeg tsis muaj tshuaj tua kab mob yuav tsum tau nruab nrog TA1 ultra-titanium qis hlau, tag nrho titanium txhawb nqa accessories, thiab ultra- tsis tshua muaj cua sov tsim.

Thick-phab ntsa TA2 titanium raj nrog tag nrho PTFE rwb thaiv tsev sib piv yog pom zoo rau cov dej khib nyiab uas tsis muaj fluoride. Rau cov dej khib nyiab uas muaj cov fluoride ions, titanium raj yuav tsum tau muab tso tseg tag nrho hauv kev pom zoo ntawm PFA tag nrho-coated cua sov raj.

Condensed Summary
Qhov nruab nrab corrosivity, kev tu cev, thiab kev tu ntau zaus ntawm peb daim ntawv thov scenarios yog qhov sib txawv, uas ua rau cov qauv sib txawv ntawm cov khoom siv titanium raj, phab ntsa thickness, lub zog ntom ntom, CIP kev ua haujlwm, thiab kev tu lub voj voog. Qhov nyuaj tshaj plaws ntau yam -factor corrosion txaus ntshai yog ntsib nyob rau hauv cov dej khib nyiab, yuav tsum tau tuab- phab ntsa tsim thiab kho hydrogen tshem tawm. Pharmaceutical fermentation yuav tsum muaj qhov nruj tshaj plaws passive zaj duab xis thiab hlau ion tswj cov cai. Ordinary zaub mov fermentation siv TA2 titanium raj uas sib npaug ntawm cov nqi thiab kev ua haujlwm. Maximizing lub neej kev pab cuam thiab tiv thaiv cov khoom poob los yog kev nyab xeeb xwm txheej tshwm sim los ntawm cov khoom siv tsis sib xws tuaj yeem ua tiav los ntawm cov phiaj xwm tsim thiab kev saib xyuas uas ua raws li kev ua haujlwm.