Kev sib piv ntawm online CIP tu thiab offline disassembly tu rau titanium cua sov raj hauv fermentation Rhiav

Muaj ob txoj hauv kev tu lub hauv paus rau titanium cua sov raj hauv fermentation tso tsheb hlau luam: hauv internet CIP ncig tu (tsis muaj disassembly, kev tu txhua hnub / txhua hli) thiab offline ua tiav disassembly immersion tu (semi-txhua xyoo loj overhaul sib sib zog nqus tu). Kev ntxuav kom huv si, tus nqi ua haujlwm, lub sijhawm kaw ntau lawm, qib kev tiv thaiv zaj duab xis passive, thiab siv hom nplai ntawm ob txoj kev sib txawv heev. Kab lus no sib piv qhov zoo, qhov tsis xws luag, siv tau rau kev ua haujlwm, thiab cov txheej txheem kev ua haujlwm tseem ceeb ntawm cov tshuab no, yog li tsim kom muaj kev sib xyaw ua ke tu lub voj voog sib txuam rau cov kab ntau lawm.

1. Cov ntsiab lus txhais thiab cov xwm txheej cuam tshuam ntawm ob hom kev ntxuav
1.1 Kev ntxuav ntawm kev ncig ntawm CIP online
Txheej txheem: Lub raj cua kub yog raus rau hauv cov kua qaub-cov kua hauv qab ntxuav kom circulating scouring yam tsis tau disassembled lub raj ntim. Cov kua ntxuav yog tawm tom qab lub voj voog ua tiav. Cov kua yog circulated nyob rau hauv lub kaw tank system los ntawm ib tug tshwj xeeb CIP conduit. Cov xwm txheej uas cuam tshuam:

Kev tu txhua hnub kom tsis muaj menyuam tu thiab tu txhua hli tsis tu ncua;

Ib qho me me ntawm flaky inorganic ntsev nplai, lub teeb qab zib carbon deposits, thiab nyias cov roj organic;

Loj - ntim fermentation tso tsheb hlau luam nrog intricate tube bundle layouts, nrog rau cov kab ntau lawm uas tsis muaj peev xwm nres rau ib lub sij hawm ntev.

1.2 Immersion cleansing thiab offline disassembly
Txheej txheem: Tshem tawm lub tank, disassemble lub titanium cua sov tube los ua ke, thauj mus rau ib tug ywj siab tu lub tank, thiab kom huv si raus nws nyob rau hauv composite ntxuav kua rau static soaking thiab mos dej siab - siab flushing. Passivate thiab rov nruab lub cuab yeej tom qab kev ntxuav. Cov xwm txheej uas cuam tshuam:

Ib nrab- kev saib xyuas sib sib zog nqus txhua xyoo rau kev kho dua tshiab;

Cov pa roj carbon monoxide tuab thiab nruj calcium-magnesium ntxhia nplai uas tsis muaj peev xwm raug tshem tawm los ntawm kev ncig hauv online.

Sib sib zog nqus khawb av tsub zuj zuj, loj hauv zos pitting, thiab qhov muag tsis pom cov av ntawm lub raj nto nrog ib txheej weld dub oxide.

Cov yeeb yaj kiab uas muaj peev xwm ua yeeb yaj kiab uas tsis tu ncua qis dua tus qauv tus nqi tom qab ntau qhov kev ua yeeb yaj kiab online.

2. Cov lus sib piv ntawm kev ua tau zoo ntawm ntau qhov ntev
Tswv yim:

Online CIP Circulation Cleaning Offline Disassembly Immersion Cleaning Sib piv Dimension
Kev lag luam kaw luv luv ntawm 1 mus rau 4 teev tuaj yeem teem caij ntawm cov khoom siv, ua rau muaj kev pheej hmoo tsawg ntawm cov kua txiv hmab txiv ntoo scrapping.Tank emptying, sterilization rework, thiab ntau lawm poob uas tshwm sim los ntawm lub sij hawm kaw (1-2 hnub ua hauj lwm)
Kev Pabcuam thiab kev siv nyiaj ua haujlwm tsis tu ncua reagent configuration, qis, tsis siv neeg cov raj xa dej ntwsHigh: kev siv zog rau kev tshem tawm, tuav, thiab rov nruab; ntxiv cleansing tank thiab passivation kua noj
Muaj peev xwm tshem tawm cov nplais thaum ntxuav Medium, tsuas yog tshem tawm cov nplais xoob; Qhov chaw qhov muag tsis pom kev, xws li kev txhawb nqa qhov khoob thiab thaj chaw ua npuas dej sab sauv, tsis tuaj yeem ntxuav tag nrho.Thiab tshem cov tuab, tawv coking nplai los ntawm kev txhuam cov ces kaum tuag thiab xyuas kom meej tias tag nrho qhov chaw nyob rau hauv kev sib cuag nrog cov kua ntxuav.
Degree ntawm kev tiv thaiv muab los ntawm passive filmContinuous aeration thaum lub sij hawm ncig yuav synchronously ua ntej passivation; Cov kua tshuaj ntxuav me me, tswj tau qhov kub thiab txias, thiab kev puas tsuaj tsawg dua rau TiO₂ zaj duab xis Cov txheej txheej xoob ntawm cov yeeb yaj kiab tsis zoo yuav ua rau me ntsis thinned los ntawm kev immersion ntev nyob rau hauv siab -kev ua tau zoo sib xyaw ua kom huv. Txhawm rau kho cov yeeb yaj kiab, nws yog ib qho tsim nyog yuav tsum ua kom muaj kev ywj pheej ntawm cov tshuaj passivation tom qab ntxuav.
Cov nyhuv ntxuav ntawm npuas stagnation nyob rau hauv qhov muag tsis pom qhov chaw tsis txaus, npuas npuas sau rau ntawm lub arc qaum ntawm lub raj, tiv thaiv cov kua los ntawm kev sib cuag ntawm qhov chaw npuas. Residual scale tau yooj yim tsim ib qho chaw pitting.Lub raj cua sov yog hloov tas li thaum lub sij hawm immersion, kom ntseeg tau tias tsis muaj lub kaum sab xis tuag thiab cov phab ntsa sab sauv thiab sab hauv qab yog huv si.
Cov nyhuv ntawm weld oxide cleansingThe erosion peev xwm ntawm ntom weld dub oxide yog txwv los ntawm qaug zog, circulating kua.The weld oxidation txheej yog tag nrho tshem tawm los ntawm ib tug ua ke ntawm lub zos citric acid chaw ntxuav thiab muaj zog, ntev -lub sij hawm soaking.
Kev txwv ntau zaus Cov kev txwv zaus tuaj yeem siv tau rau ib lub lim tiam lossis txhua hli, thiab kev tsim khoom raug cuam tshuam tsawg heev los ntawm kev ua haujlwm tsis tu ncua.Lub raj nplaim tau yooj yim khawb thiab puas los ntawm kev sib tsoo ntau zaus, ua rau nws tsuas yog tsim nyog rau ib nrab- kev hloov kho txhua xyoo. PTFE rwb thaiv tsev accessories
Passivation yooj yim uas tom qab ntxuav, tam sim ntawd hloov mus rau aerated passivation kua ncig rau ib - kab tiav. Hloov mus rau ib lub tank cais passivation rau tag nrho immersion zaj duab xis tsim, uas yuav tsum tau ntxiv cov kauj ruam ua hauj lwm ywj siab.
3. Kev soj ntsuam kom ntxaws txog cov txiaj ntsig thiab qhov tsis zoo
3.1 Cov txiaj ntsig tseem ceeb ntawm kev tu CIP online
Kev cuam tshuam tsawg kawg nkaus: Lub qhov rais ntxuav yog npaj thaum lub sij hawm lub tank tshem tawm lub sijhawm nruab nrab ntawm cov khoom fermentation, kom ntseeg tau tias tsis muaj sijhawm ntev - kaw. Qhov kev teeb tsa no tsim nyog rau kev tsim khoom ntau ntxiv rau 24 teev.

High℃ntawm automation: Lub CIP system txo cov kev ua haujlwm tsis zoo los ntawm kev ua tiav cov kua noj, kev ncig, dej ntws tawm, thiab kua dej tawm.

Kev sib xyaw ua ke thiab kev ua haujlwm ua ntej: Cov raj xa dej tuaj yeem hloov pauv ncaj qha mus rau hydrogen peroxide passivation kua ncig tom qab cov kua qaub- hauv paus descaling, tshem tawm qhov xav tau ntawm cov raj txuas txuas ntxiv.

Tsawg dua kev puas tsuaj rau cov khoom siv: Lub titanium raj nto tsis raug khawb vim kev sib tsoo, kev sib txhuam nrog cov hlua khi, thiab cov cuab yeej, vim tias tsis muaj kev sib tsoo lossis tuav.

Qhov tsis xws luag hauv online CIP tu
Lub kaum sab xis ntxuav qhov muag tsis pom muaj nyob, suav nrog kev txhawb nqa kev sib cuag, thaj chaw ua npuas dej sab saud, thiab qhov chaw weld concave uas tsis tuaj yeem ua tiav los ntawm cov kua dej. Tsis tas li ntawd, scale accumulates txhua xyoo.

Carbonised coking scale, uas yog tshwm sim los ntawm ntev - lub sij hawm siab - fais fab cua sov, tsis muaj peev xwm ua kom tag nrho decomposed los ntawm luv luv - lub sij hawm nyob online. Yog li ntawd, qhov seem seem pib nyob rau hauv - deposit crevice corrosion. Qhov no yog vim lub peev xwm tsawg rau cov tuab tuab tuab.

Nws yog ib qho nyuaj rau ua qhov tiag - lub sij hawm tshuaj xyuas ntawm lub raj nto vim qhov tseeb tias lub raj ntim ntim tau ntim rau hauv lub tank. Qhov ntsuas thiab pitting raws li txoj cai tsuas yog ntsuas los ntawm cov iav pom, uas tsis muaj peev xwm muab qhov kev ntsuam xyuas pom ntawm txhua qhov chaw.

3.2 Core zoo ntawm offline disassembly ntxuav
Los ntawm txhais tes auxiliary mos txhuam tu muaj peev xwm tshem tawm tag nrho cov tuag- lub kaum ntse ntse, yog li hauv paus tshem tawm cov kev phom sij zais ntawm crevice corrosion, los ntawm tag nrho - decontamination. Lub raj ntim tau raug nthuav tawm tag nrho.

Synchronous comprehensive soj ntsuam ntawm lub raj lub cev: Tom qab disassembly, cov nram qab no yuav ua tau ib txhij: siab- lub teeb soj ntsuam, phab ntsa thickness ntsuas, weld flaw detection, thiab passive zaj duab xis muaj peev xwm kuaj. Txoj kev no yog tsim los txheeb xyuas cov pitting thaum ntxov thiab thinning tsis xws luag.

Kev ncig hauv online tsis muaj peev xwm ua tiav kev kho mob hauv zos rau kev sib tsoo dub oxide, sib sib zog nqus khawb grime, thiab cov nplai tuab hauv zos. Qhov no yog ua tiav los ntawm qhov chaw so so thiab polishing.

Xyuas kom meej tias txhua qhov chaw ntawm lub raj txuas txuas txuas ntxiv los ntawm cov kua ntxuav tsis tu ncua tsis muaj roj cais tawm los ntawm flipping lub raj pob ib txwm nyob rau lub sijhawm raus. Qhov no tshem tawm npuas qhov muag tsis pom qhov cuam tshuam.

Inherent defects raug ntxuav offline thaum lub sij hawm disassembly.
Cov khoom lag luam txhua xyoo ntawm qhov kev cob qhia tau txo qis vim qhov yuav tsum tau ua kom tag nrho, kom tsis muaj menyuam, thiab rov ua dua - npaj lub tank rau kab lis kev cai nruab nrab. Qhov no ua rau muaj kev lag luam kaw tseem ceeb.

Mechanical puas yog ib qho kev txhawj xeeb tseem ceeb thaum lub sij hawm disassembly thiab sib dhos. Cov titanium passive zaj duab xis yog nkag tau yooj yim los ntawm hoisting, tuav, thiab ntsia liaj qhov rooj disassembly, thiab cov laus thiab tawg ntawm PTFE gaskets thiab insulating lub tes tsho yog nrawm los ntawm nquag disassembly.

Txhim kho kev ua haujlwm thiab cov khoom siv tau zoo: Cov txheej txheem disassembly thiab reinstallation yuav tsum muaj cov neeg ua haujlwm ntxiv, thiab cov txheej txheem ntawm lub tank ywj siab yuav tsum muaj ntau qhov sib xyaw tu thiab cov tshuaj tiv thaiv passivation.

4. Cov qauv kev sib txuam ntawm lub voj voog rau kev siv ua ke ntawm ob hom kev ntxuav
Ua ke nrog cov khoom ntim ntawm cov fermentation tso tsheb hlau luam, lub hierarchical tu system ntawm "nrhiav online tu + periodic offline sib sib zog nqus tu" yog tsim los kom muaj kev sib npaug ntawm cov cuab yeej tiv thaiv - tiv thaiv corrosion thiab ntau lawm efficiency.

Tsawg-Load intermittent fermentation tank (tsawg dua lossis sib npaug li 16 teev ntawm kev ua haujlwm txhua hnub, qis- qab zib nruab nrab): Ib zaug ib lim piam, online CIP tu; ib xyoos ib zaug, offline disassembly huv huv thiab tag nrho passivation.

Cov pa nruab nrab- thauj khoom noj tsis tu ncua fermentation tank (24-teev ua haujlwm, CIP ob lub lis piam): Online hloov cov kua qaub-puag tu txhua ob lub lis piam; offline disassembly tu thiab overhaul txhua rau lub hlis.

Lub siab -load tshuaj sterile fermentation tank yog raug rau txhua hnub me me alkali CIP thiab siab -viscosity, siab - qab zib nruab nrab. Lub tank ua tiav txhua hnub luv luv-lub sij hawm online alkali ncig ua kom tsis muaj menyuam, txhua hli hauv online citric acid sib sib zog nqus descaling, thiab offline tag nrho disassembly tu, tsis pom kev, thiab ib qho passivation txhua rau lub hlis.

High-corrosion industrial wastewater heating tank (siab TDS ntsev, yooj yim ntxhia nplai): Txhua lub limtiam online pickling descaling; offline disassembly immersion tu, hydrogen tshem tawm ci, thiab re-passivation txhua plaub lub hlis.

5. Cov lus qhia tshwj xeeb rau kev ua haujlwm tiv thaiv tseem ceeb kom txo tau cov yeeb yaj kiab tsis zoo
Unified tswj cov cai rau kev ntxuav online ntawm CIPs
Khaws ib lub sijhawm ncig raws li Tshooj 66 cov qauv, thiab txwv qhov kub ntawm cov kua alkali kom tsawg dua lossis sib npaug li 60℃thiab kua qaub kua qaub kom tsawg dua lossis sib npaug li 45 degree.

Txhawm rau txo cov npuas stagnation thiab cov nplai hauv cheeb tsam, xyuas kom meej tias qhov kev khiav tawm nrawm yog tsawg kawg 1.0 m / s.

Lub thinned sab nrauv passive zaj duab xis yuav tsum tau kho los ntawm qhov yuav tsum tau ua 2-teev dej sov aerated ua ntej-passivation ncig tom qab txhua cov kua qaub-puag ncig.

Offline disassembly tu tswj cov hauv paus ntsiab lus uas koom ua ke
Txhawm rau tiv thaiv khawb kev sib txhuam thaum lub sijhawm hoisting thiab tuav, ntim lub raj ntim nrog PTFE ua npuas ncauj ua ntej disassembly.

Cov kua dej sib xyaw ua ke yuav tsum tau ntub dej tsis pub dhau 8 teev, thiab cov titanium matrix yuav tsum tau muab xa mus rau hauv cov txheej txheem ntau theem nrog dej deionised tom qab tshem tawm cov nplai kom tiv thaiv kev sib tsoo ntau dhau.

Tom qab ntxuav tag, tag nrho cov raj yuav tsum tau muab tso rau hauv hydrogen peroxide passivation kua rau 6 mus rau 8 teev los tsim ib qho yeeb yaj kiab. Lub raj yuav tsum tau muab rov qab ua dua tom qab 24 teev ntawm huab cua kom qhuav thiab ua kom tiav zaj duab xis.

6. Tus qauv ntawm kev txiav txim rau qhov yuav tsum tau ua haujlwm offline kom huv si.
Yog tias ib qho ntawm cov xwm txheej hauv qab no tshwm sim, kev tu hauv online ib leeg tsis txaus los tshem tawm cov xwm txheej zais, xav tau kev ntxuav tawm offline thaum lub sijhawm hloov kho lub qhov rais tom ntej:

Ib txheej txheej dub dub coking yog pom ntawm lub raj phab ntsa los ntawm cov iav pom thiab tsis tuaj yeem raug tshem tawm tom qab ob zaug sib law liag hauv online sib sib zog nqus descaling cycles.

Lub sab sauv arc phab ntsa thickness ntawm lub raj yog considerably thinner tshaj qhov qis, raws li muaj pov thawj los ntawm npuas stagnation pitting me ntsis, raws li pom los ntawm peb lub hlis twg nrhiav tau.

Lub peev xwm weld tsis tu ncua tsawg dua +120mV tom qab ob qhov kev nkag hauv online, thiab qhov chaw ua pov thawj pom tseeb tias cov xim dub oxidation discoloration.

Cov nplai qhov muag tsis pom qhov chaw zais cia muaj kev pheej hmoo, dhau ib xyoos yam tsis muaj kev kuaj xyuas thiab ntxuav tawm offline.

Condensed Summary
Online CIP ncig tu yog thawj txoj hauv kev txij nkawm rau titanium cua sov raj, muab cov txiaj ntsig ntawm kev ua haujlwm tsis siv neeg thiab tsis siv neeg kaw. Txawm li cas los xij, nws yog qhov tsim nyog los ntxuav cov fab tuag, nrog rau cov npuas stagnation zones thiab kev txhawb nqa qhov khoob. Offline disassembly immersion tu yog muaj peev xwm muab kev decontamination thiab muaj peev xwm soj ntsuam tag nrho; Txawm li cas los xij, nws cuam tshuam nrog kev ua haujlwm siab thiab cov nqi tsim khoom. Cov tuam txhab lag luam yuav tsum siv cov kev tswj xyuas ua ke uas suav nrog kev tu hauv online niaj hnub niaj hnub thiab kev tu offline sib sib zog nqus overhaul tu raws li lub tank ntau lawm load thiab nruab nrab corrosion degree. Cov txheej txheem no tseem yuav suav nrog cov txheej txheem ntsuas kub thiab lub sijhawm tswj hwm txhua lub sijhawm tu, nrog rau kev tshaj tawm - kev kho kom zoo dua qub, kom txo qis kev puas tsuaj rau titanium dioxide passive zaj duab xis thiab txuas ntxiv tag nrho cov kev pab cuam lub neej ntawm cov cua sov raj.