1, boiler pub dej los kho cov pH tus nqi ntawm qhov laj thawj
Tam sim no, feem ntau boilers nyob rau hauv Suav teb siv cov dej rov qab los yog sodium ion exidicer so dej softening dej pH tus nqi yog feem ntau iondium ingmosion cov dej so kua muag rau boilers Thiab kav dej, raws li cov kev cai ntawm lub teb chaws tus qauv bg / T15s7, yog tus nqi ntawm tus neeg ua haujlwm tau xav tau los kho tus nqi PH.
2, tus txheej txheem tseem ceeb ntawm kev ntxiv sodium carbonate rau cov boiler pub dej los kho tus nqi PH
Sodium carbonate feem ntau yog hu ua dej qab zib, soda tshauv, ntxuav alkali, tshuaj ntxuav alkali3, nyob rau hauv ib txwm muaj hmoov dawb lossis nplua ntsev. Lub ntsiab lus tseem ceeb ntawm kev ntxiv sodium carbonate rau cov roj boiler pub dej thiab ua rau cov kua qaub ntawm cov kua qaub los yog ntsev dej ntawm lub rhaub dej thiab kav dej. Sodium carbonate yog qhov tsis muaj zog electrolyte, muaj kev sib npaug ntawm cov tshuaj electrium carbonate, yog li cov pH tam sim no hauv kev tawm tsam tsis hloov pauv ntau.
Sodium Carbonate Prime Hydrolysis:
Na2Co3 Sodium Carbonate + H2o Dej = Nahco3 sodium bicarbonate + Naoh sodium hydroxide
Sodium Carbonate Hydrolyremyr Txheej Txheem:
Nahco3 Sodium Bicarbonate + H2o Dej = H2CO3 Carbonic Acid + Naoh Sodium Hydrocide
Sodium Carbonate Thawj Hydrolyzed ion Kab zauv:
(CO3) 2-carbonic acid + h2o dej = h23- bicarbonate + Oh- hydroxide
Sodium Carbonate Hydrolyzed ion kab zauv:
HCO3- BICARBONATE + H2O Dej = H2CO3 Carbonic Acid + Oh- Hydroxide
3, lub ntsiab cai ntawm kev ntxiv sodium hydroxide rau cov dej boiler los kho tus nqi PH
Sodium Hydroxide tseem tseem hu ua caustic dej qab zib, caustic dej qab zib, Ceustric dej qab zib, sodium hydroxide muaj cov alkaline muaj zog, tsis tshua muaj neeg muaj zog.
Ionization sib npaug rau sodium hydroxide: Naoh = na + Oh-
Ntxiv sodium hydroxide rau cov dej ntawm lub rhaub dej tuaj yeem ruaj khov rau cov kav dej ntawm cov boiler thiab cov raj dej cub thiab tiv thaiv cov khoom siv hlau los ntawm kev corrosion.
4. Qhov zoo thiab tsis zoo ntawm kev siv sodium carbonate lossis sodium hydroxide los kho tus boiler boiler pub dej yog muab piv
4.1 Qhov Ceev Ntawm Raising P muaj nuj nqis nrog sodium carbonate thiab sodium hydroxide rau boiler pub dej thiab lub sij hawm tswj cov nyhuv siv sib txawv
Qhov ceev ntawm kev ntxiv sodium carbonate rau dej boiler dej kom nce p tus nqi yog qeeb dua li ntawm sodium hydroxide. Vim tias sodium carbonate tsim cov tshuaj tsis meej, nws muaj kev hloov pauv me me thiab yog qhov ruaj khov thiab kho tau yooj yim. Txawm li cas los xij, qhov ntau ntawm pH hloov tau txwv. Thaum kho cov tib tus nqi pH tus nqi, tus nqi ntawm cov dej ntshiab carbonate yuav loj dua li ntawm sodium hydroxide. Cov nyhuv siv tau khaws cia rau lub sijhawm ntev, thiab cov dej tsis yooj yim kom poob.
Sodium hydroxide yog lub zog hluav taws xob thiab cov khoom siv hluav taws xob ntau dua, tab sis kuj tseem ceeb tshaj plaws, tab sis kuj tseem ceeb tshaj plaws ntawm cov roj ntsha Tus nqi ntawm sodium hydroceide ntxiv tsis loj, uas yog, muaj peev xwm ntawm cov roj hauv hydroxide pab pawg tsis nce ntau ntau, cov ntawv yuav poob sai sai sai sai no.
4.2 Cov kev tsim txom tshwm sim los ntawm kev sib ntxiv ntawm cov sodium carbonate thiab sodium hydroxide kom nce p muaj nuj nqi rau boiler pub dej txawv
Ntxiv cov sodium ntau dhau carbonate rau kho tus nqi pH yuav nce cov ntsev cov ntsiab lus ntawm lub lauj kaub dej thiab kev ua haujlwm; Muaj ntau ntau bicarbonate ions hauv lub lauj kaub dej, thiab bicarbonate ions yog yooj yim decomposposed rau hauv cov pa roj carbon dioxide thaum rhuab. CO2 nkag mus rau hauv cov cua sov ua kom sov thiab cov dej ua kom txaus nrog rau cov chav. Sodium Carbonate tsis tsuas tuaj yeem hloov kho tus nqi ntawm lub ntsuas hluav taws xob thiab siv cov roj ua kom sov thiab corroding cua sov. Qhov laj thawj yog vim li cas hlau ions nyob rau hauv chav medensate rov qab dej tshaj lub cim xim daj lossis xim liab.
Ntxiv ntau sodium hydrochoxide rau cov cua sov kom kho tau lub lauj kaub dej alkali kom tau siab dhau, thiab dej qab zib yuav tshwm sim. Tus nqi ntawm sodium hydroxide tsis yooj yim rau kev tswj hwm, thiab ntau dua dawb Naoh yuav ua rau muaj feem cuam tshuam alkalinity, thiab alkali embrittlement kuj yuav ua rau corrosion rau cov khoom siv. Tus kws sau ntawv tau pom ib lub iav fiber cuam tshuam cov tshuab tua hluav taws xob yas tag nrho ntawm cov neeg siv khoom siv, uas tau siv cov sodium hydroxide los tswj hwm tus lej ntawm cov chaw mos. Sodium hydroxide tsis tuaj yeem kho tus nqi ntawm cov pa thiab cov kav dej rov qab los ntawm cov chav thiab siv hluav taws xob rov qab tso dej thiab khoom siv yeeb.
4.3 Kev nyab xeeb ntawm sodium carbonate thiab sodium hydroxide siv hauv boiler pub dej yuav tau sib txawv
Cov sodium carbonate yog tus mob loj, belongs rau cov khoom noj cov khoom noj, kev txhim kho me me, ib txwm yuav tsum tau muab hnab looj tes.
Sodium hydroxide yog cov khoom txaus ntshai, kev daws teeb meem, thiab nws cov hmoov av cais ntawm daim tawv nqaij, tshwj xeeb yog tsim cov scabs, thiab tuaj yeem nkag mus rau cov ntaub so ntswg mos. Ib tug hlawv tawm ib qho caws pliav. Splashing rau hauv lub qhov muag, tsis tsuas yog puas lub pob kws, tab sis kuj ua rau kev puas tsuaj ntawm cov nqaij tob ntawm lub qhov muag. Yog li ntawd, tus tswj hwm yuav tsum tau thov nruab nrab thiab hydrophobic tshuaj pleev rau ntawm daim tawv nqaij, cov hnab looj tes ua haujlwm, cov roj hmab tiv thaiv ua haujlwm kom muaj kev tiv thaiv tus kheej.
Muaj kev siv thiab kev xeem uas qhia: sodium fydroxide thiab sodium carbonate yog siv, nws cov kev lag luam thiab cov nyhuv zoo dua li siv qee yam pH kev tswj hwm ib leeg. Thaum tus nqi PHO ntawm cov dej Boiler pub tau pom tias tsawg heev, qee cov sodium hydroxide tuaj yeem tsim nyog ntxiv kom nce pH tus nqi. Tom qab sodium hydroxide yog yaj tag, qee cov tshuaj ntxuav sodium carbonate tuaj yeem ntxiv rau nce cov carbonate hauv dej. Qhov no tuaj yeem muab qhov tsis kam lees ntawm tus nqi ntawm cov dej pub; Vim tias tus nqi ntawm sodium carbonate tuaj yeem muab tso rau hauv ntau dua, tus sau pom zoo kom siv cov dej hauv pH
Lub Sijhawm Post: Mar-01-2024
