Nernst 1735 acid dew point analyzer e sa tsoa qalisoa e loketseng liboiler le libopi tsa ho futhumatsa

Nernst 1735 acid dew point analyzer e sa tsoa qalisoa ke sesebelisoa se ikhethileng se ka lekanyang mocheso oa acid e phoka ka khase ea liboilers le libopi tsa ho futhumatsa marang-rang ka nako ea nnete.The acid e phoka ntlha mocheso lekanya ka seletsa ka ka katleho laola ho qeta mocheso khase mocheso oa boilers le libopi futhumatsang, fokotsa thepa e tlaase-mocheso sulfuric acid phoka ntlha kutu, ho ntlafatsa tshebetso mogote bokgoni, eketsa boiler tshebetso polokeho le lelefatsa thepa bophelo.

Ka mor'a ho sebelisa Nernst 1735 acid dew point analyzer, u ka tseba ka nepo boleng ba phoka ea acid ka khase ea flue ea boilers le libono tse futhumatsang, hammoho le dikahare tsa oksijene, mouoane oa metsi (% mouoane oa metsi) kapa boleng ba phoka le metsi a metsi ( G grams/KG ka kilogram) le boleng ba mongobo RH.Mosebelisi a ka laola mocheso oa khase ka har'a mefuta e itseng e phahameng hanyane ho feta phoka ea asiti ea khase ea flue ho latela ponts'o ea sesebelisoa kapa mats'oao a mabeli a 4-20mA, e le ho qoba kutu ea acid e tlase le ho eketsa polokeho ea ts'ebetso ea boiler.

Ka li-boilers tsa indasteri kapa li-boilers tsa semela sa matla, ho hloekisa peterole le likhoebo tsa lik'hemik'hale le libopi tsa ho futhumatsa.Mafuso a khale (khase ea tlhaho, khase e omeletseng ea ho hloekisoa, mashala, oli e boima, joalo-joalo) hangata a sebelisoa e le libeso.

Mafuso ana a na le sebabole se batlang se feta kapa ka tlase, se tla hlahisa SO2nakong ea ho chesa peroxide.Ka lebaka la ho ba teng ha oksijene e feteletseng ka kamoreng ea mollo, palo e nyenyane ea SO2ho feta moo e kopana le oksijene ho etsa SO3, Fe2O3le V2O5tlasa maemo a tlwaelehileng a moya o feteletseng.(khase ea flue le tšepe e futhumetseng e na le karolo ena).

Hoo e ka bang 1 ~ 3% ea tsohle SO2e fetoleloa ho SO3.SO3khase e mochesong o phahameng oa mocheso ha e je tšepe, empa ha mocheso oa khase ea flue o theoha ka tlase ho 400 ° C, SO.3e tla kopana le mouoane oa metsi ho hlahisa mouoane oa sulfuric acid.

Foromo ea karabelo ke e latelang:

SO3+ H2O——— H2SO4

Ha mouoane oa sulfuric acid o kokobela holim'a mocheso o futhumatsang mohatleng oa sebōpi, mocheso o tlaase oa sulfuric acid o tla senyeha.

Ka nako e ts'oanang, mokelikeli oa sulfuric acid o koaletsoeng holim'a mocheso o tlase oa mocheso o tla boela o khomarele lerōle la khase ea flue ho etsa molora o khomarelang oo ho seng bonolo ho o tlosa.Mocha oa khase ea flue o koetsoe kapa o bile o koetsoe, 'me khanyetso ea eketseha, e le ho eketsa tšebeliso ea matla ea fan e susumelitsoeng.Corrosion le ho thibela molora ho tla beha boemo ba ho sebetsa ba boiler bo futhumatsang holim'a metsi.Kaha khase ea flue e na le bobeli ba SO3le mouoane oa metsi, li tla hlahisa H2SO4mouoane, o bakang keketseho ea phoka ea asiti ea khase ea flue.Ha mocheso oa khase ea flue o le tlase ho feta mocheso oa acid oa phoka oa gase ea flue, H2SO4mouoane o tla khomarela flue le mocheso oa mocheso ho theha H2SO4tharollo.Ho feta moo e senya lisebelisoa, e bakang ho lutla ha mocheso oa mocheso le tšenyo ea flue.

Lisebelisoa tse tšehetsang sebōpi sa ho futhumatsa kapa boiler, tšebeliso ea matla ea flue le mocheso oa mocheso o etsa hoo e ka bang 50% ea kakaretso ea matla a sebelisoang ke sesebelisoa.Mocheso oa mocheso oa khase o senya o ama ts'ebetso ea mocheso oa mocheso oa libopi tsa ho futhumatsa le li-boilers.Ha mocheso oa mocheso o phahame, ho fokotsa matla a mocheso.Bakeng sa keketseho e 'ngoe le e' ngoe ea 10 ° C mochesong oa mocheso oa khase ea ho tsoa, ​​matla a mocheso a tla fokotseha ka hoo e ka bang 1%.Haeba mocheso oa khase ea ho qeta o le tlase ho feta mocheso oa phoka ea acid ea khase ea flue, e tla baka kutu ea thepa le ho baka likotsi tsa ts'ireletso ts'ebetsong ea libopi tsa ho futhumatsa le li-boilers.

Mocheso o utloahalang oa ho ntša mocheso oa sebōpi sa ho futhumatsa le boiler o lokela ho ba holimo hanyenyane ho feta mocheso oa phoka ea acid ea khase ea flue.Ka hona, ho khetholla mocheso oa phoka ea acid ea libopi tsa ho futhumatsa le li-boilers ke senotlolo sa ho ntlafatsa ts'ebetso ea mocheso le ho fokotsa likotsi tsa ts'ireletso ea ts'ebetso.


Nako ea poso: Jan-05-2022