Kev siv pH Meter hauv Acrylonitrile Cog
Nyob rau hauv xyoo tas los no, nrog rau kev ntxiv dag zog rau kev nyab xeeb thiab kev paub txog ib puag ncig, cov kev xav tau rau kev siv pH meters hauv kev lag luam petrochemical tau nce siab dua, tshwj xeeb tshaj yog nyob rau hauv acrylonitrile units, feem ntau yog cov tshuaj lom thiab ua tsis tu ncua rau 24 teev, yog li ntawd. muaj cov kev cai nruj heev rau kev saib xyuas online, kev nyab xeeb thiab kev tiv thaiv ib puag ncig ntawm pH meters. Lub online pluggable pH meter uas tsim los ntawm Mettler Toledo yog siv rau kev kuaj xyuas pH tus nqi ntawm chav tsev acrylonitrile, uas muaj cov yam ntxwv ntawm lub sijhawm tiag tiag, kev nyab xeeb thiab kev huv.
Cov nroj tsuag acrylonitrile ntawm Jilin Petrochemical Company npog thaj tsam ntawm 54.64 hectares thiab tau tsau cov cuab tam ntawm 3.37 billion yuan. Tam sim no nws yog lub hauv paus loj tshaj plaws ntawm acrylonitrile thiab methyl methacrylate hauv lub tebchaws. Muaj 106, 000 t/a acrylonitrile (2 teeb), 212, 000 t/a acrylonitrile, 50, 000 t/a methyl methacrylate, 100, 000 t /a methyl methacrylate, 300, 000 t / a sulfuric acid, 60, 000 t/a acetone cyanohydrin, 120, 000 t/a acetone cyanohydrin, 6,400 t / a acetonitrile ( 2 teeb), 8, 000 t/a ammonium sulfate, tag nrho ntawm 11 cov khoom tsim khoom. Cov khoom tseem ceeb yog acrylonitrile, acetone cyanohydrin, methyl methacrylate, acetonitrile, sulfuric acid, ammonium sulfate, thiab cov khoom raug muag rau South China, North China, East China thiab lwm thaj chaw.
Tom qab ntau xyoo ntawm kev xyaum, cov nroj tsuag acrylonitrile tam sim no siv 44 pH meters, suav nrog 4 Beijing Defei T28, 2 E ntxiv rau H CM224, 8 Emerson OXMT-P-HT-11, Mei 22 teeb ntawm Teller-Toledo 21{{ 22}}e thiab 8 teeb ntawm Mettler-Toledo M420. Qhov online pluggable pH meter tsim los ntawm Mettler-Toledo yog qhov zoo dua: transmitter M420, electrode InPro4800i/SG/225, sheathed InTrac777M/100/4404/D00/Ka/A00, featuring real-time, nyab xeeb thiab huv si ntau lawm.
Teeb meem ntawm kev siv pH meter
Tam sim no, cov nroj tsuag acrylonitrile ntawm Jilin Petrochemical Company siv thev naus laus zis ntawm BP Tuam Txhab Tebchaws Meskas los tsim acrylonitrile los ntawm propylene thiab ammoxidation, thiab tib lub sijhawm tsim cov acetonitrile thiab hydrocyanic acid raws li cov khoom lag luam. Nyob rau hauv cov txheej txheem kev ua haujlwm, nws yuav tsum tau kuaj xyuas tus nqi pH ntawm cov dej theem ntawm sab sauv thiab qis ntawm cov quenching ntauwd thiab cov dej theem ntawm cov dej loj thiab rov qab ntauwd stratifier.
Tus nqi pH ntawm sab sauv ntawm lub quench pej thuam yuav tsum tau tswj ntawm 3.0~ 6.0, seem qis yuav tsum tau tswj ntawm 6.5 ~ 7.{{7} }, cov kab ke loj loj yuav tsum muaj pH tus nqi ntawm 6.5 ~ 7.5, thiab pH tus nqi ntawm cov dej theem ntawm kev rov qab ntauwd stratifier yuav tsum tau tswj ntawm 6.0~ 7.2. Tsis pub dhau qhov ntau, nws tuaj yeem tsis tsuas yog tshem tawm cov ammonia ntxiv hauv cov tshuaj tiv thaiv, tab sis kuj tshem tawm ACL thiab ACO hauv cov tshuaj tiv thaiv roj, kom cov cyanohydrin tsim nrog HCN yog qhov ruaj khov (cyanohydrin muaj qhov kub kub thiab yooj yim rau tso tawm los ntawm pej thuam kettle). Hauv kev tsim khoom, tus nqi pH ntawm lub voj voog loj yog hloov kho los ntawm kev ntxiv Na2CO3. Yog tias kev tswj tsis tau zoo, cov txiaj ntsig ntawm acrylonitrile yuav raug txo qis thiab cov zis yuav raug cuam tshuam; thaum tag nrho cov ntsiab lus cyanide nyob rau hauv cov kua pub ntawm lub rov qab ntauwd kettle, plaub-effect evaporation thiab lub teeb organic teeb meem stripping ntauwd yuav nce. Yog tias nws siab dhau lawm, nws yuav txo qhov zoo ntawm ib puag ncig cov dej phwj tuaj.
Raws li cov kev xav tau saum toj no, kev siv pH ntsuas muaj cov teeb meem hauv qab no:
Nws yuav tsum muaj peev xwm paub tau hauv online dismantling thiab tshuaj xyuas. Txij li thaum lub tsev acrylonitrile nyob rau hauv tas li ntau lawm rau 24 teev, nws yuav tsum tau hais tias ib zaug lub pH meter tsis ua hauj lwm, nws yuav tsum tau dismantled thiab khaws cia hauv internet.
Kev nyab xeeb yuav tsum tau xyuas kom meej thaum lub sij hawm disassembly thiab tshuaj xyuas. Txij li cov khoom ntawm cov nroj tsuag acrylonitrile yog tshuaj lom, thiab cov kav dej hauv cov nroj tsuag tsim tau txhua yam nyob rau hauv lub siab, nws yog ib qho tsim nyog los xyuas kom meej tias cov khoom tsis txaws tawm thaum lub sij hawm dismantling online thiab tshuaj xyuas txheej txheem.
Raws li kev xav tau nce ntxiv rau kev nyab xeeb, kev tiv thaiv ib puag ncig thiab kev tsim khoom huv hauv xyoo tas los no, nws yuav tsum txo qis lossis tshem tawm cov khoom tawm thaum lub sijhawm tu.
Kev xaiv cuab yeej
Kev tsom mus rau hauv online disassembly thiab kev tshuaj xyuas ntawm pH meter, thawj txheej ntawm acrylonitrile ntaus ntawv hauv peb lub Hoobkas siv cov dej ntws los ntawm sheath, uas yog, cov kav dej me me yog siv los tso dej los ntawm cov kav dej loj mus rau pH meter ntsuas pas dej. , thiab tom qab ntawd rov qab mus rau lub kav dej loj, zoo ib yam li Nyob rau hauv txoj kev pabcuam kab teeb tsa. Mettler-Toledo's InPro4800/120/Pt100 electrode thiab sib piv ntsuas ntawm tes yog siv. Txawm li cas los xij, ua ntej lub electrode disassembled thiab tshuaj xyuas, nws yog ib qho tsim nyog yuav tsum kaw lub hauv ntej thiab nram qab li qub ntawm lub ntsuas tank, thiab ntws cov khoom hauv lub tank ntsuas los ntawm qhib lub ncuav valve. Qhov no ua rau cov khoom pov tseg, uas cuam tshuam rau kev tiv thaiv ib puag ncig thiab kev tsim khoom huv.
Ua ke nrog cov teeb meem ntawm kev siv pH meter ntawm thawj txheej ntawm acrylonitrile ntaus ntawv, online pluggable pH meter ntawm Mettler-Toledo tau siv rau ntawm ob txheej ntawm acrylonitrile ntaus ntawv, thiab InTrac777M retractable sheath tau siv. Qhov no telescopic sheath (Steel material) yog cov cuab yeej muaj kev nyab xeeb, uas tau ncaj qha rau ntawm cov kav dej loj yam tsis muaj cov khoom siv ntxiv xws li li qub thiab cov kav dej. Cov yam ntxwv ntawm lub plhaub yog: METTLER TOLEDO's TRI-LOCKTM triple locking system tuaj yeem tiv thaiv kom tsis txhob muaj cov txheej txheem tawm.
Kev paub ntawm Mettler-Toledo pH Meter
ntsuas qhov tseeb
METTLER TOLEDO muab phav phav electrodes rau kev xaiv raws li viscosity, granularity, adsorption ntawm nruab nrab siv, nrog rau qhov kub thiab txias ntawm qhov nruab nrab, uas yog tshwj xeeb yog tsom, yog li txhim kho qhov tseeb ntawm kev ntsuas kev sib deev. InPro4800 series pH electrodes tam sim no siv nyob rau hauv peb lub Hoobkas yog tshwj xeeb tshaj yog haum rau kev ntsuas nyob rau hauv hnyav tshuaj ib puag ncig. Nws tuaj yeem muab kev ntsuas raug thiab txhim khu kev qha hauv oxidizing media, muaj zog acids thiab alkalis, cov txheej txheem siab thiab kub.
kav ntev
Lub neej ntev kev pab cuam ntawm InPro4800 series pH electrodes yog manifested nyob rau hauv: muaj zog corrosion kuj mus oxidizing media, hnyav thiab muaj zog acids thiab alkalis; ntev diffusion txoj kev thiab annular kua hlws ris (PTFE) zoo txuas lub neej kev pab cuam ntawm electrodes; Compensated diffusion txoj kev ua rau kev ntsuas ntawm cov txheej txheem siab; tsim tshwj xeeb rau qhov kub thiab txias; xaiv lub tiaj iav membrane (built-in grounding) rau kev ntsuas hauv xov xwm nrog cov ntsiab lus siab thiab fiber ntau.
me ntsis kev tu txhua hnub
Tam sim no, qee qhov pH ntsuas hauv lub Hoobkas siv METTLER TOLEDO tus tshiab M420 transmitter, uas muaj lub vijtsam nplua nuj (saib daim duab hauv qab), thiab cov xwm txheej ntawm lub sensor yog qhov tseeb ntawm ib nrais muag. Rau ISM ntse electrodes, nws tseem tuaj yeem tso saib lub neej hluav taws xob thiab lub sijhawm ua haujlwm ntawm electrode "Dynamic Life Indication DLI", thiab dynamically xam lub sij hawm uas cov electrode tseem tuaj yeem ua haujlwm hauv lub xeev no raws li qhov load ntawm electrode. Hauv cov txheej txheem kev thov tiag tiag, peb tuaj yeem ua cov kev xaiv kho raws li lub xeev ntawm cov electrodes. Rau cov khoom siv hluav taws xob nrog cov kev pabcuam zoo thiab kev thauj khoom tsawg, lub voj voog txij nkawm tuaj yeem txuas ntxiv kom tsim nyog.
yooj yim siv
Txij li thaum pH meter yog ib qho kev ntsuam xyuas hauv online, raws li cov kev cai tswj hwm ntawm lub tuam txhab kev tshuaj ntsuam online, txhua lub pH meter yuav tsum tau ntxuav thiab ntsuas txhua lub hlis, yog li cov pH meter xaiv yuav tsum yooj yim, yooj yim thiab nyab xeeb. ua haujlwm. Thiab METTLER TOLEDO's online pluggable pH meter tsuas yog ua tau raws li qhov xav tau saum toj no. Thaum online disassembly thiab tshuaj xyuas yog xav tau, lub electrode tuaj yeem rub tawm tau yooj yim los ntawm kev rub tawm sab sauv ntawm lub plhaub. Vim yog qhov kev txiav txim ntawm lub caij nplooj ntoos hlav, lub hauv ntej kawg ntawm lub sheath cia li shrinks thiab kaw kom tsis txhob cov khoom los ntawm to.
METTLER TOLEDO's pH transmitter kuj muaj qhov ua haujlwm ntawm tes tuav, uas khaws cov teeb liab tso tawm ntawm tus nqi teeb tsa thaum hloov hluav taws xob lossis ntsuas hluav taws xob. Qhov no yog qhov tsim nyog heev rau pH meter koom nrog hauv kev hloov kho lub voj voog tsis siv neeg, kom tsis txhob muaj qhov hloov pauv los ntawm kev ua haujlwm ntawm pH meter.
METTLER TOLEDO InPro4800 series pH electrode siv nyob rau hauv peb lub Hoobkas tsis tas yuav rov qab siv cov electrolyte, thiab M420 transmitter tau txais ob txoj kab hluav taws xob, uas daws tau tag nrho cov teeb meem ntawm ntau cov xaim, kev ua haujlwm hnyav thiab kev sib txuas tsis raug yooj yim yav dhau los.
Kev txhim kho ntawm METTLER TOLEDO pH Meter
Thaum lub pH meter siv tau ntev, vim yog lub polymerization ntawm nruab nrab, nws nyuaj rau rub tawm cov electrode. Ib me ntsis quab yuam yuav ua rau cov roj hmab kov thaum kawg. Lub Hoobkas tau txhim kho thiab hloov cov roj hmab kov ntawm qhov kawg mus rau cov hlau dawb. Cov electrodes tau yooj yim rub tawm thaum lawv tau nplaum rau hauv polymer.
