Lub ntsiab zoo thiab cov yam ntxwv:

Lub ntsiab zoo thiab cov yam ntxwv:

1. Muaj zog corrosion kuj. Kev rov qab los ntawm flue gas khib nyiab cua sov yog yuav luag inert rau tag nrho cov tshuaj thiab cov kuab tshuaj, thiab yuav luag tsis muaj cov kuab tshuaj los yog compound uas yuav yaj nws hauv qab 300 degree. Yog li ntawd, fluoroplastic flue gas pov tseg thaum tshav kub kub rov qab cua sov exchangers muaj qhov zoo ntawm cov hlau kub exchangers, thiab muaj peev xwm rov qab tau ntau dua flue gas pov tseg tshav kub hauv qab cov kua qaub dew point ntawm flue gas.

Muaj ntau yam teeb meem uas yuav tsum tau daws nyob rau hauv daim ntawv thov ntawm flue gas khib nyiab thaum tshav kub kub exchangers.

1. Tsawg kub corrosion ntawm cov khoom siv hluav taws xob sib pauv. Yog hais tias cov pa cua kub ntawm tus Tsov tus tw qhov hluav taws xob ntawm lub boiler yog tsawg heev, lub phab ntsa kub ntawm lub tshav kub exchanger yuav qis dua qhov condensation point ntawm sulfuric acid chav (hu ua acid dew point), ua rau hnyav corrosion ntawm cov cua sov nto. cov hlau kub exchanger tube. Qhov tsawg kawg nkaus ntawm phab ntsa kub ntawm qhov ntsuas kub qis uas tau xaiv rau kev siv engineering dav dav yuav tsum tshaj qhov ntsuas kub ntawm cov pa taws los ntawm kwv yees li 10 degree, txhawm rau tiv thaiv kom tsis txhob muaj qhov kub thiab txias. Raws li qhov tshwm sim, cov khoom siv hlau hluav taws xob tuaj yeem rov qab tau boiler flue roj nrog cov pa taws kub ntawm li 120 degree lossis siab dua, uas tsis tuaj yeem siv tag nrho cov hluav taws kub ntawm cov pa pa tawm, txwv tsis pub siv ntau yam ntawm qhov ntsuas kub qis.

2. Tshauv tsub zuj zuj teeb meem nyob rau hauv lub tshav kub exchanger raj. Vim tias qhov kub thiab txias ntawm cov hluav taws xob hluav taws xob hluav taws xob hluav taws xob qis qis, cov khoom siv xws li SO2, SO3, HF, thiab HCl nyob rau hauv cov roj flue yuav sib xyaw nrog cov dej condensed rau saum npoo thiab ua raws li cov cua kub qis. Qhov no tsis yog tsuas yog ua rau lub ntsej muag ntawm lub tshav kub hloov raj thiab cuam tshuam rau kev hloov hluav taws xob, tab sis nyob rau hauv cov xwm txheej hnyav, nws tseem tuaj yeem thaiv cov flue gas ntws channel, ua rau kom lub zog tsis kam ntawm flue gas ntws, thiab txawm cuam tshuam rau kev nyab xeeb ntawm kev ua haujlwm. boiler, ua rau yuav tsum tau kaw thiab ntxuav cov tshauv.

3. Hnav qhov teeb meem ntawm cov cua kub pauv cov raj. Lub tshuab hluav taws xob hluav taws xob hluav taws xob feem ntau tau teeb tsa tom qab lub tshuab nqus plua plav, thiab cov hmoov tshauv ya nyob hauv cov roj flue ua rau muaj qhov hnyav tshwj xeeb ntawm cov cua kub sib txawv. Yog li ntawd, ua ntej cov roj flue nkag mus rau hauv lub tshav kub exchanger, kev tshem tawm cov tshauv nruj yog ua los xyuas kom meej cov ntsiab lus ntawm cov hmoov tshauv tsawg, thaum tswj cov roj flue ntws los txo qhov hnav.

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