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Jiyya na VOCs ta hanyar konewar catalytic

Fasahar konewa ta catalytic azaman ɗayan VOCs suna ɓarna tsarin kula da iskar gas, saboda girman girman tsarkakewar sa, ƙananan zafin konewa (<350 ° C), konewa ba tare da bude wuta ba, ba za a sami gurɓataccen gurɓataccen abu ba kamar ƙarni na NOx, aminci, ceton makamashi da kariyar muhalli da sauran halaye, a cikin kasuwar kariyar muhalli aikace-aikacen yana da kyakkyawan ci gaba.A matsayin maɓalli na hanyar haɗin fasaha na tsarin konewa na catalytic, fasahar haɗakarwa da ƙa'idodin aikace-aikace suna da mahimmanci musamman.

1. Ka'ida ta catalytic konewa dauki

Ka'idodin konewa na catalytic shine cewa iskar gas ɗin sharar gida gabaɗaya oxidized kuma ta lalace ƙarƙashin aikin mai kara kuzari a ƙaramin zafin jiki don cimma manufar tsarkake iskar.Konewar catalytic yanayi ne na yau da kullun na iskar gas mai ƙarfi, kuma ka'idarsa ita ce nau'in iskar oxygen mai amsawa suna shiga cikin iskar oxygen mai zurfi.

A cikin tsarin konewa na catalytic, aikin mai kara kuzari shine rage kuzarin kunnawa na amsawa, yayin da kwayoyin masu amsawa suna wadatar akan farfajiyar mai kara kuzari don haɓaka ƙimar amsawa.Tare da taimakon mai kara kuzari, iskar gas ɗin da ke sharar gida na iya ƙona wuta mara ƙarfi a ƙananan zafin wuta kuma ta saki babban adadin zafi yayin da ake yin oxidizing da bazuwa cikin CO2 da H2O.

3. Matsayi da tasiri na VOCs masu haɓakawa a cikin tsarin konewa na catalytic

Yawancin lokaci, yawan zafin jiki na konewa na VOCs yana da girma, kuma ana iya rage ƙarfin kunna wutar lantarki ta hanyar kunna wutar lantarki, don rage yawan zafin jiki, rage yawan amfani da makamashi da kuma adana farashi.

Bugu da kari, zafin konewa na gaba daya (babu mai kara kuzari) zai kasance sama da 600 ° C, kuma irin wannan konewar zai samar da sinadarin nitrogen oxides, wanda galibi ana cewa NOx ne, wanda kuma gurbataccen yanayi ne da za a sarrafa shi sosai.Konewar catalytic shine konewa ba tare da buɗe wuta ba, gabaɗaya ƙasa da 350 ° C, ba za a sami ƙarni na NOx ba, don haka yana da aminci kuma mafi aminci ga muhalli.

4. Menene saurin iska?Menene abubuwan da ke shafar saurin iska

A cikin tsarin konewa na catalytic na VOCs, saurin amsawar sararin samaniya yawanci yana nufin saurin sararin samaniya (GHSV), yana nuna ikon sarrafawa na mai kara kuzari: saurin amsawar sararin samaniya yana nufin adadin iskar gas da aka sarrafa kowane lokaci naúrar kowace juzu'in naúrar mai kara kuzari. Ƙarƙashin ƙayyadaddun sharuɗɗa, naúrar ita ce m³/(m³ mai haɓakawa •h), wanda za'a iya sauƙaƙe shi azaman h-1.Alal misali, samfurin da aka alama da sarari gudun 30000h-1: yana nufin cewa kowane cubic kara kuzari iya rike 30000m³ shaye gas a awa daya.Gudun iska yana nuna ikon sarrafa VOCs na mai kara kuzari, don haka yana da alaƙa da aikin mai haɓakawa.

5. Dangantakar da ke tsakanin nauyin ƙarfe mai daraja da saurin iska, shin mafi girman abun ciki na ƙarfe mai daraja ya fi kyau?

Ayyukan ƙarfe mai kara kuzari mai daraja yana da alaƙa da abun ciki na ƙarfe mai daraja, girman barbashi da watsawa.Da kyau, ƙarfe mai daraja yana tarwatse sosai, kuma ƙarfen mai daraja yana nan akan mai ɗaukar hoto a cikin ƙananan ƙwayoyin cuta (nanometer da yawa) a wannan lokacin, kuma ana amfani da ƙarfe mai daraja har zuwa mafi girma, kuma ƙarfin sarrafa na'urar yana da tabbas. mai alaƙa da abun ciki na ƙarfe mai daraja.Duk da haka, lokacin da abun ciki na karafa masu daraja ya yi girma zuwa wani matsayi, ƙananan ƙwayoyin ƙarfe suna da sauƙi don tattarawa kuma su girma cikin ƙananan ƙwayoyin cuta, alamar hulɗar karafa masu daraja da VOCs suna raguwa, kuma yawancin karafa masu daraja suna nannade cikin ciki. a wannan lokacin, haɓaka abun ciki na karafa masu daraja ba shi da amfani ga haɓaka ayyukan haɓakawa.


Lokacin aikawa: Agusta-03-2023