Yawancin lalata kayan ƙarfe na faruwa a cikin yanayin ATMOSPHERIC, saboda yanayin ya ƙunshi kayan lalata masu iskar oxygen da ƙazanta, da kuma abubuwan lalata, da kuma abubuwan lalata iri ɗaya kamar su canje-canje da yanayin zafi. Gishirin gishiri yana ɗayan lalata lalata da lalata da lalata.
Ofici na gishirin gishiri
Abubuwan lalata na kayan karfe ta wurin feshin gishiri shine yafi lalacewa ta hanyar shigar da gishiri a ƙarfe da na lantarki m karfe - mafi ƙarancin ƙazanta mara amfani ". Canza wurin aikowa, da ƙarfe kamar yadda aka shimfiɗa shi da kafa sabon fili, wato lalata. Chloride ion yana taka rawa sosai a cikin lalacewar lalacewar gishiri na fesa, wanda ke da karfi shiga cikin ƙarfe na ƙarfe, yana da saukin shiga cikin ƙarfe; A lokaci guda, chloride Ion yana da ƙananan ƙwayoyin hydration, wanda yake da sauƙi a iya adsorbed a farfajiya na ƙarfe, maye gurbin oxygen a cikin oxygen a cikin oxygen a cikin oxygen a cikin oxygen a cikin oxygen yana lalata ƙarfe, wanda ya lalace.
Gishirin SPRays
Gwajin gishirin gishiri shine hanyar lalata lalata lalata lalata lalata lalata lalata yanayin lalata don yanayin wucin gadi. A maida hankali ne da brine atomized; Sannan fesa a cikin akwatin rufe akwatin tsayar, ta hanyar lura da canjin samfurin da aka sanya a cikin akwatin na wani lokaci don yin muhimmiyar gwaji, gishiri mai gishiri, gishiri na danshi mai gishiri, yana da murnar chloride mai gishiri. , amma janar na halitta yanayin tsabtace muhalli mai sau da yawa ko dociens sau da yawa, don samun raguwar sakamakon lalata.
Gwajin gishirin gishiri kafin da bayan
Lokacin lalata samfurin samfuri na iya ɗaukar shekara ko da yawa lokacin da aka gwada shi a cikin kwanakin gari, amma ana iya samun sakamako a cikin yanayin wucin gadi sime wuri.
Gwajin gishirin gishiri ya kasu sosai zuwa nau'ikan huɗu:
Gwajin gishirin gishiri a tsakaitaccen abu (NSS)
② acetic acid gwajin hatsi (aass)
Usurewar jan karfe an samu gwajin acetic acid (cass)
(4) Teshen gwajin gishiri
Gishiri mai gishiri
Kimanin sakamakon gwajin gishiri
Tsarin gwaji na gwajin na gishiri wanda aka haɗa da hanyar da aka kimanta, hanyar lalata lalata ta lalata.
01
Hanyar Rating
Hanyar Rating ta raba adadin farfajiyar lalata zuwa yankin zuwa cikin maki da yawa bisa lamarin, kuma yana ɗaukar wani matakin da ya cancanta a matsayin tushen yanke hukunci. Wannan hanyar ta dace da kimantawa samfuran farantin lebur. Misali, GB / t 6461-2002, ISO 10299-2001, Astm B537-701, Astm B537-70 (2013), duk suna amfani da wannan hanyar don kimanta sakamakon gwajin feshin gishiri.
Rating Raint da Rating
Rp da Rai na Lain suna lasafta kamar haka:
A ina: Rp shine darajar darajar kariya; Ra shine darajar darajar darajar; A shi ne kashi na Corroded ɓangare na matrix ƙarfe a cikin jimlar lokacin lokacin da aka lasafta RP; Ra shine kashi na Corroded ɓangare na kariya ta kariya a jimlar yankin.
Matsa rarrabuwa da kimantawa na musamman
An bayyana darajar kariya kamar: RA / -
Misali, lokacin da kadan kadan ya wuce 1% na farfajiya kuma kasa da 2.5% na farfajiya, an bayyana shi azaman: 5 / -
An bayyana darajar bayyanar a matsayin: - / ra daraja + Evalational Exction + + PROPLLLY COPTOW
Misali, idan wurin tabo ya wuce 20%, shi ne: - / 2ma
An bayyana darajar aikin a matsayin darajar RAVE + Exarationasashen Ingantacce
Misali, idan babu matrix ƙarfe na ƙarfe a cikin samfurin, amma akwai daskararre masara na roarancin gashi ƙasa da 1% na jimlar yanki, an nuna shi azaman 10/2-
Hoton mai rufewa tare da polarity mai ban tsoro zuwa ƙarfe substrate
02
Hanya don tantance kasancewar Corangodes
Hanyar tantancewar lalata lalata hanya ce, ta dogara ne akan gwajin gishiri, ko abin da ke cikin lalata samfurin don tantance samfurin. Misali, JB4 159-1999, GJB4.11-1983, GB / T 42888-2003 ya amince da wannan hanyar don kimanta wannan hanyar don kimanta sakamakon sakamakon gwajin fesa gishiri.
Tsarin halayyar cututtukan cututtukan lalata cututtukan lantarki bayan gwajin feshin gishiri
Kulawa Hanyar darajar lalata:
01
Mahimmin yanayi mai mahimmanci don baƙin ƙarfe shine kusan kashi 70%. A lokacin da dangi zafi ya kai ko ya wuce wannan yanayin zafi, za a haƙa da gishiri don samar da witfullollyte tare da kyau aiki. Lokacin da dangi zafi yake raguwa, da gishiri na gishiri zai ƙaru har sai da gishiri yana precipitated, kuma ragin lalata zai raguwa daidai. Kamar yadda zafin jiki ya karu, motsin kwayar cuta ta karfafa da adadin raunin mai cike da gishiri. Hukumar Ellovleote ta Kasa ta nuna cewa ragi na lalata a cikin 2 ~ 3 da kuma aikata electrolyte ya karu da 10 ~ 20% ga kowane 10 ℃ara yawan zazzabi. Don gwajin tsaka gishiri, ana la'akari da shi gabaɗaya cewa 35 ℃ shine zafin jiki da ya dace.02Taro na bayani
Matsayin wuri na samfurin
Jagorar gyare-gyare na feshin gishiri yana kusa da shugabanci na tsaye. Lokacin da aka sa samfurin a kwance, yankin tsinkayensa shine mafi girma, kuma samfurin samar da gishirin fesa, don haka lalata lalata shine mafi mahimmanci. Sakamakon ya nuna cewa lokacin da karfe farantin shine 45 ° daga layin kwance, asarar mai nauyin nauyi shine 140g a kowace murabba'in murabba'in murabba'in. GB / t 2423.17-1993 daidaitattun jihohi: "Hanyar sanya samfurin ƙaramin abu zai kasance irin wannan yanayin zai kasance a kusurwar 30 ° daga shugabanci na a tsaye".
04 PH
Rage PH, mafi girma taro na hydrogen ions a cikin mafita, mafi yawan acidic. Tsakanin gishiri na gishiri (NSS) PH shine 6.5 ~ 7.2. Saboda tasirin dalilai na muhalli, darajar pH na maganin gishiri zai canza. Don inganta repencewaration sakamakon gwajin feshin gishiri, da aka ƙayyade ƙimar gishiri pH a cikin daidaitaccen gwajin maganin gishirin a cikin gida na ƙimar gishiri yayin gwajin an gabatar da shi.
05
Adadin adana gishiri da hanyar fesa
Finer barbashi spray, mafi girma farfajiya yankin da suke siffantarwa, da karin oxygen da suke adsu, da kuma mafi lalata da suke. Mafi bayyanawar rashin daidaituwa na hanyoyin feshin gargajiya na gargajiya, ciki har da hanyar feshin pneyics, madaidaicin madaidaicin ajiyar gishiyoyin gishiri na barbashi mai gishiri. Hanyoyin wurare daban-daban kuma suna da tasiri a kan pH na gishiri.
Ka'idojin da suka shafi gwajin gishiri.
Har yaushe ne awa daya na fesa a cikin yanayin halitta?
Gwajin gishirin shuka ya kasu kashi biyu, ɗayan gwajin bayyanar asalin yanayin halitta, ɗayan kuma ana iya hanzarta haɓaka kayan gishiri a gwajin yanayi.
Gwajin yanayi mai narkewa na mai girki na girki na shuka shine amfani da kayan aikin gwaji tare da wani yanki na gargajiya - a cikin sararin samaniya da ke haifar da lalata kayan gishiri don kimanta juriya da lalata samfurin. Idan aka kwatanta da yanayin halitta, taro gishiri na chloride a cikin yanayin feshin gishiri zai iya zama sau da yawa ko dociens na lokutan lalata abu ne mai yawa inganta, kuma gwajin lalata spros akan Samfurin yana daqice sosai. Misali, yana iya ɗaukar shekara 1 don samfurin samfurin don zama a ƙarƙashin fallasa na halitta, yayin da za a iya samun sakamako a cikin 24 hours a ƙarƙashin yanayin wucin gadi simulated.
Gwajin da ake buƙata na girke-girke na girke-girke na girke-girke na girke-girke na girke-girke na ACETate, gwajin karfe na tagulla yana hanzarin gwaji na acetate nasara, daɗaɗɗen gishiri.
(1) Tsakiyar gishiri a cikin gwaji (NSS gwaji) shine hanyar gwajin lalata lalata lalata lalata lalata tare da bayyanar farko da filin aikace-aikacen. Yana amfani da 5% sodium chiru bayani, da mafita ph an daidaita shi a tsaka tsaki (6 ~ 7) a matsayin bayani mai fesa abinci. An saita zafin jiki na gwajin a 35 ℃, da kuma yawan sulhu na feshin gishiri na gishiri ya kasance tsakanin 1 ~ML / 80cm².h.
(2) ACETate gwajin gwaji (ass gwaji) an inganta shi bisa ga tsaka tsaki da gwajin feshin gishiri. Yana da don ƙara wasu acid acetic acid zuwa 5% sodium chloride bayani, saboda haka an samar da ƙimar maganin a cikin 3 kuma daga ƙarshe da aka kafa feshin gishiri a cikin acid na tsaka gishiri. Matsakaicin lalata shine kusan sau uku sauri fiye da gwajin nss.
(3) gishirin ƙarfe na tagulla yana hanzarta gwajin da aka fesa na Gwaji (Gwajin Cass) shine gwajin lalata gishiri a kwanan nan. Zazzabin gwajin shine 50 ℃, da kuma karamin adadin gishiri na gishiri - an ƙara chloride a cikin maganin gishiri da ƙarfi lalata lalata. Yana lalata kusan sau takwas cikin sauri fiye da gwajin nss.
A karkashin yanayi na gaba ɗaya, ana iya magana da Tsarin Tasirin Tarihin Lokaci mai zuwa:
Tsakanin gishirin gishiri na tsakaitaccen yanayi na dabi'a na shekara 1
Acetate Mist gwada 24h na dabi'a na shekaru 3
Guguwar karfe ta hanzarta MID gwajin 24H na shekaru 8
Sabili da haka, saboda murhun muhalli, fesa gishiri, rigar da bushe halaye na jirgin ruwa, mun yi imani da cewa lalata halaye na jirgin ruwa ya zama kashi ɗaya cikin uku na gwajin na al'ada.
Sabili da haka, saboda murhun muhalli, fesa gishiri, rigar da bushe halaye na jirgin ruwa, mun yi imani da cewa lalata halaye na jirgin ruwa ya zama kashi ɗaya cikin uku na gwajin na al'ada.
Shi ya sa muke buƙatar jirgi mai kamun kifiKarfe haide fitilar ballastda kuma masu daukar kaya sun sanya a cikin gida. Mai riƙe fitilar4000w kamun kifi a kan jirginYa kamata a rufe tare da kayan da za su iya tsayayya da sama da 250 digiri Celsius. Don tabbatar da cewa fitilun kamun kifi a cikin amfani da aikin, ba zai rasa sakamako na hatimi ba, kuma cikin feshin Clock Corbrose hutu hutu.
A sama, a4000w fitila fitila da ke jawo tunawaAn yi amfani da shi ta hanyar kwastomomi don rabin shekara. Kyaftin din bai kiyaye fitilar a cikin yanayin bushewa a kan ƙasa ba ko duba hatimin fitin saboda yana kiyaye tsibirin har shekara guda. Lokacin da ya sake amfani da fitilar bayan shekara guda, da guntu fashe
Lokaci: Mayu-15-2023