Konewar polymer wani abu ne mai matuƙar ƙarfi da rikitarwa na iskar shaka ta thermal oxidation, wanda ke da alaƙa da fitar hayaki ko harshen wuta mai ci. Masu hana harshen wuta wani nau'in ƙari ne da ke hana kunna robobi ko kuma hana yaɗuwar harshen wuta. Tasirin hana harshen wuta na masu hana harshen wuta shine hana ko hana saurin canjin jiki ko sinadarai a cikin tsarin konewar kayan polymeric. Musamman ma, tasirin hana harshen wuta galibi yana bayyana ne a cikin waɗannan fannoni.
Harshen harshen wuta a cikin tsarin konewa na polymer na sakamako mai hana harshen wuta:
Mai hana harshen wuta - tasirin zafi
Matsayin tasirin zafi mai zafi shine ya sa yanayin zafin kayan polymer ya tashi da wahala.
Alal misali, borax yana da kwayoyin 10 na ruwa na crystalline, kamar yadda aka saki ruwa na crystalline don kama 141.8kJ / mol na zafi, don haka zafi mai zafi don haka an hana hawan zafi na kayan, yana haifar da tasirin wuta.
Mai hana harshen wuta - tasirin rufewa
Tasirin shine don samar da barga mai rufi a yanayin zafi mafi girma ko don lalata don samar da abu mai kama da kumfa wanda ke rufe saman kayan polymeric. Wannan yana da wuya ga zafin da ake samu ta hanyar konewa don shiga cikin kayan ciki da kuma iskar gas mai ƙonewa da ke haifar da lalatawar thermal na kayan polymer don tserewa. Yana aiki azaman shingen iska ga kayan, don haka yana hana ɓarna kayan abu da samun sakamako mai hana wuta.
Mai hana harshen wuta - tasirin dilution
Wadannan abubuwa za su iya samar da iskar gas mai yawa wanda ba za a iya ƙonewa ba lokacin da zafi ya lalace, ta yadda iskar gas ɗin da aka samar ta hanyar polymer abu da iskar oxygen a cikin iska suna diluted kuma kada su kai ga iyakar maida hankali.
Mai riƙe harshen wuta - tasirin canja wuri
Tasirin shine canza yanayin bazuwar thermal na kayan polymer, don haka hana samar da iskar gas mai ƙonewa.
Mai hana harshen wuta - tasirin hanawa
Tarko masu tsaka-tsaki masu aiki na halayen konewa, irin su HO- da H-, yana hana halayen sarkar radical kyauta kuma yana rage yawan konewa har sai an kashe wutar.
Mai riƙe harshen wuta - tasirin haɓakawa
Wasu kayan ba su da tasirin da zai hana wuta idan aka yi amfani da su su kaɗai ko kuma suna da ɗan ƙaramar tasirin wuta, amma ana iya amfani da abubuwa iri-iri don haɓaka tasirin wutar, kamar antimony trioxide da halogen mahadi da aka yi amfani da su tare.
Tsarin hana harshen wuta a cikin tsarin konewar polymer:
Na'ura mai ɗaukar wuta - injin lokacin wuta mai ɗaukar wuta
Tsarin tururi lokaci mai riƙe harshen wuta yana nufin tasirin hana wuta na katsewa ko jinkirta halayen konewar sarkar a lokacin iskar gas. Rikicin harshen wuta ya ƙunshi:
- Ana samar da masu hanawa na kyauta lokacin da aka ƙone ko ƙone kayan wuta, don haka yana katse sarkar konewa.
- Samar da ɓangarorin masu kyau lokacin da aka ƙone ko ƙone kayan wuta, waɗanda ke haɓaka ɗaurin radicals kyauta don kawo ƙarshen aikin konewar sarkar.
- Sakin iskar gas mai yawa ko tururi mai yawa lokacin da aka ƙone ko ƙone kayan wuta.
Hanyoyin da ke hana harshen wuta – na'urori masu hana harshen wuta
Matsakaicin lokacin jinkirin harshen wuta yana nufin tasirin jinkirin harshen da aka samar ta hanyar jinkirtawa ko katse yanayin bazuwar kayan wuta a cikin lokaci mai kauri. Matsakaicin lokacin jinkirin harshen wuta ya ƙunshi:
- Matsalolin harshen wuta waɗanda ke ja da baya ko katse bazuwar iskar gas masu ƙonewa da radicals waɗanda za a iya samarwa yayin aikin haɗin gwiwa.
- Filayen inorganic tare da ƙayyadaddun ƙarfin zafi a cikin kayan hana wuta, waɗanda ke sa kayan ya zama ƙasa da yuwuwar isa ga bazuwar zafin jiki ta wurin ajiyar zafi da haɓakar thermal.
- Rushewar zafin wuta na mai ɗaukar wuta yana ɗaukar zafi, ta yadda zafin zafin kayan da ke hana wuta ya ragu ko kuma a dakatar da shi.
- Lokacin da abin da ke hana harshen wuta ya kone, yakan haifar da wani lallausan iskan carbon a samansa, wanda ke da wuyar ƙonewa, yana hana zafi da iskar oxygen, kuma yana hana iskar gas ɗin da ke iya ƙonewa shiga yanayin iskar gas.
Na'ura mai hana harshen wuta - katsewar injin mai hana wuta musayar zafi
Ƙaƙƙarfan tsarin musayar zafin wuta yana nufin cewa wani ɓangare na zafin da ake samu ta hanyar konewa na kayan wutan wuta an dauke shi, ta yadda kayan ba zai iya kula da yanayin bazuwar zafin jiki ba don haka ba zai iya kula da samar da iskar gas mai ƙonewa ba, don haka konewar yana kashe kansa.
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