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Bi-alkaline Desulfurization aiki kayan aiki
Bi-alkaline Desulfurization aiki kayan aiki
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Bi-alkali (Na)2CO3／Ca(OH)2) ne haɗuwa da sodium alkali hanyar bisa ga lime hanyar, amfani da sodium gishiri sauki narkewa a cikin ruwa, amfani da sodium alkali sha SO a cikin sha hasumiya2Bayan sha desulfurization don sake amfani da mai arha lime a cikin sake dawo da tafkin, don haka ya sa sodium ion sake dawowa sha amfani.
, Lime rage sake amfani, sake amfani da absorbent bayan sake amfani, babu zubar da ruwa. A karkashin ka'idodin ci gaba da tsari, amintaccen aiki da kuma tasirin tattalin arziki, tsara tsari don rage zuba jari guda daya, rage yawan amfani da makamashi da sauƙin kula da tsarin.
2
2Smoke gas kawar da ƙura ta hanyar kayan tufafi jakar duster, sa'an nan kuma shiga desulfurization hasumiya. The hayaki gas aiki a kan jagorancin allon, da kuma tuntuɓar da desulfurization ruwa, spraying desulfurization ruwa a cikin drops da diamita 0.1-1.0mm, samar da kyau spraying sha yanki. Gas mai hayaki da alkaline desulfurizer a cikin desulfurizer ruwa ya amsa cikakken lamba a cikin yankin atomization, kammala desulfurization sha na gas mai hayaki da ƙarin cire ƙura. Gas mai hayaki bayan desulfurization ya shiga iska kai tsaye ta hanyar fitarwar iska a gefen hasumiyar kuma ya fitar daga chimney.322Desulfurization yana amfani da waje zagaye sha hanyar. SO2 na desulfurization gudana a cikin sake dawo da tafkin, da sabon zuwan ruwan lime don sake amsawa, bayan amsawa slurry gudana a cikin sedimentation sake dawo da tafkin ruwa, lokacin da wani sedimentation sake dawo da tafkin ruwa ya cika, slurry canza gudana zuwa wani sedimentation sake dawo da tafkin ruwa, sa'an nan kuma ta wucin gadi tsaftace wannan sake dawo da tafkin ruwa, da sharar gida bushewa bayan fitarwa. Bayan sake dawowa da kuma saukar da ruwa a cikin madaidaiciyar tafkin ta hanyar madaidaiciyar famfo don sake amfani da shi a cikin hasumiyar desulfurization. Bugu da ƙari, saboda ruwan da ke da ruwa zai sa asarar wani ɓangare na sodium ions na desulfurization, ana buƙatar ƙara ƙananan adadin alkali ko wasu alkali ruwa a cikin madaidaiciyar tafkin.32Ka'idar Chemical Reaction
2Ana iya raba ka'idodin sunadarai zuwa sassa biyu na tsarin desulfurization da tsarin sake dawowa. sha SO a cikin tower2Na3CO2＋SO
＝Na2SO3＋CO2（1）232NaOH＋SO
Tsarin ya haɗa halayen hanyar lime da hanyar sodium alkali, ya warware matsalar tower mai sauƙin ƙaddamar da hanyar lime, kuma yana da fa'idodin haɓaka ingancin sodium alkali. Desulfurization derivatives ne calcium sulfate ko calcium sulfate (bayan oxidation), calcium sulfate tare da resin na gargajiya iya samar da sabon nau'in kayan haɗin da ake kira calcium plastics; Ko a yi shi plaster bayan oxidation; Ko haɗuwa da shi kai tsaye tare da powder ash, zai iya ƙara filastik na powder ash, ƙara ƙarfin powder ash a matsayin kayan ƙasa na ƙasa. Idan aka kwatanta da hanyar magnesium oxide, gishirin calcium ba shi da gurɓataccen abu, saboda haka ba ya haifar da gurɓataccen abu na biyu. A halin yanzu, fasahar desulfurization ta hanyar zafi tana amfani da ita sosai, ta mallaki sama da kashi 85% na dukan FGD na'urorin duniya. Wannan dual alkali hanyar saboda sauki desulfurization tsari, aiki kwanciyar hankali mai kyau, desulfurization inganci high, desulfurization farashi low, dace da kasarmu yanayi, saboda haka a kasarmu aikace-aikace mafi fadi. Haɗuwa da takamaiman yanayin sarrafa hayaki na gilashi, daga al'amuran tsarin balaga, tsarin kwanciyar hankali, zuba jarin injiniya, kudin aiki da sauransu, zaɓi amfani da tsarin bi-alkali desulfurization.
Bi-alkali Desulfurization Tsarin Bayani
Bi-alkali hanyar ne mafi girma amfani da hayaki gas desulfurization fasahar, da aka ci gaba don shawo kan rashin amfani da dutsen kalkari daya kalkari hanyar sauki scaling. Ana amfani da nau'ikan biyalkali mafi yawa, mafi yawan amfani shi ne sodium calcium biyalkali.232Sodium-Calcium Bialkali2CO
--Ca(OH)
] Amfani da tsabta alkali sha SO
, Lime rage sake amfani, sake amfani da absorbent bayan sake amfani, babu zubar da ruwa. A karkashin ka'idodin ci gaba da tsari, amintaccen aiki da kuma tasirin tattalin arziki, tsara tsari don rage zuba jari guda daya, rage yawan amfani da makamashi da sauƙin kula da tsarin.
2
2Smoke gas kawar da ƙura ta hanyar kayan tufafi jakar duster, sa'an nan kuma shiga desulfurization hasumiya. The hayaki gas aiki a kan jagorancin allon, da kuma tuntuɓar da desulfurization ruwa, spraying desulfurization ruwa a cikin drops da diamita 0.1-1.0mm, samar da kyau spraying sha yanki. Gas mai hayaki da alkaline desulfurizer a cikin desulfurizer ruwa ya amsa cikakken lamba a cikin yankin atomization, kammala desulfurization sha na gas mai hayaki da ƙarin cire ƙura. Gas mai hayaki bayan desulfurization ya shiga iska kai tsaye ta hanyar fitarwar iska a gefen hasumiyar kuma ya fitar daga chimney.322Desulfurization yana amfani da waje zagaye sha hanyar. SO2 na desulfurization gudana a cikin sake dawo da tafkin, da sabon zuwan ruwan lime don sake amsawa, bayan amsawa slurry gudana a cikin sedimentation sake dawo da tafkin ruwa, lokacin da wani sedimentation sake dawo da tafkin ruwa ya cika, slurry canza gudana zuwa wani sedimentation sake dawo da tafkin ruwa, sa'an nan kuma ta wucin gadi tsaftace wannan sake dawo da tafkin ruwa, da sharar gida bushewa bayan fitarwa. Bayan sake dawowa da kuma saukar da ruwa a cikin madaidaiciyar tafkin ta hanyar madaidaiciyar famfo don sake amfani da shi a cikin hasumiyar desulfurization. Bugu da ƙari, saboda ruwan da ke da ruwa zai sa asarar wani ɓangare na sodium ions na desulfurization, ana buƙatar ƙara ƙananan adadin alkali ko wasu alkali ruwa a cikin madaidaiciyar tafkin.32Ka'idar Chemical Reaction
2Ana iya raba ka'idodin sunadarai zuwa sassa biyu na tsarin desulfurization da tsarin sake dawowa. sha SO a cikin tower2Na3CO2＋SO
＝Na2SO3＋CO2（1）232NaOH＋SO
＝Na
SO2+H2O （2）33Na2SO3＋SO3＋H2O＝2NaHSO2（3）32A sama uku hanyoyin daban-daban dangane da sha alkaline acid, alkaline ne mafi girma (PH> 9) da (2) hanyar a matsayin babban amsa; Lokacin da alkali ya ragu kadan a cikin (1) formula a matsayin babban amsa; Lokacin da alkaline zuwa tsaka tsaki ko ma acidic (5 <PH <9), za a amsa ta hanyar (3). Regeneration tare da kawar da lime3Ca（OH）3＋Na2SO3＝2NaOH＋CaSO3 Ca（OH）2
＋2NaHSO2＝Na3SO
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