Samaru Na Yau Na Haɗin Kusurin Taɓa ta Zango na Kusurin

Matsaloli Mai Tsoro Don Gudunmawa na Karama ta T14

Satali na Gwiwa Mai Zama Maimaita da Satali na Gwiwa Mai Zama Maimaita da Molybdenum Mai Tsoro a T14 ISO naƙali na karama

Amfani da stainless steel mai ƙarfi ƙafin ƙarfi (SDSS) da stainless steel mai molybdenum ta 6% yana canza abin da muke iya gano daga abubuwan da ke ƙara kariya a cikin ISO tank containers na T14. Wadannan logu suna ba da kariya ta 2 zuwa 3 kuma don bincike da corrosion na pitting wanda ke fi 316L stainless steel na farko, kuma suna sa amfani da su a cikin al’ada da ke ciki da ruwa mai tsinken ko abubuwan da ke nufi da alkali wanda ke koma a lokacin tattalin arziki na acid. Kariyarsu na yield da ke fi 550 MPa yana nuna cewa suna iya kare shi da kariya ta fuskun pressure. Amma abin da ya fi kyau shine microstructure na biyu da suka samu a hanyar tabbatarwa, wanda ke kare stress corrosion cracking – wanda ne babban sabon da tank su ka gaskiya a lokacin da suka cika da abubuwan da ke nufi. Samun kariya zai kashe kadan kuma, kuma zai gyara adadin korewa da ke bukatar su a 40% kafin stainless steel na farko. Lokacin da aka amfani da sulfuric acid a yawan harajen da ke fi 60°C, wadannan molybdenum enriched variants suna kare rates na corrosion a cikin 0.1 mm kafin shekara, wanda ke nuna cewa suna gyara yadda za su yi amfani da su a shekaru biyu, kuma suna kama da duk ISO T14 standards don certification na container.

Kayan Kama na Polimer: HDPE, XLPE, da FRP Na Tallaƙi don Dandana Mai Tsoro na Asidu/Mai Tsoro na Oksidai

Yaduwa da wani abu ne kamar yadda matali suka gudan, abubuwan da ba su matali ba zasu iya samun fahimtar daidai. Misali, high density polyethylene (HDPE) zai iya aiki da kyau don gudan bayanin hydrochloric acid (HCl) ta hanyar 20% a tsawon yaki. Idan yaki ya zama yara, cross linked polyethylene (PEX) zai shiga don aiki da hakan bayani amma a tsawon yaki ta hanyar 90 daraja Celsius. Abubuwan da aka tsofafa da fiber (FRP) suna cikin wata rukuni. Wadannan abubuwa suna gaskiya da kyau don gudan abubuwan da suka kara oksidi (oxidizing chemicals) kamar nitric acid da chromates. Kuma yadda abubuwa suna tafiyar da wadannan abubuwa (permeation rate) zai kashe 90% yayi daga abubuwan da suka tsofafa da thermoplastic (thermoplastic liners). Don tafiya da abubuwan da suka kara harsh (aggressive chemical mixtures) kamar yadda nitric acid da hydrofluoric acid suna tashewa, an nema FRP da suka tsofafa (layered FRP structures) da wadannan barriers na vinyl ester don samun fahimtar daidai. Wani babbar fuskantar ne cewa wadannan systems suna gudan galvanic corrosion (galvanic corrosion issues) daga kowane yawa. Amma akwai wani batu kuma: gudan tsawon (thickness) zai kashe kari, kamar yadda yake a wadanda lokaci da abubuwa suna tashi da kari (dynamically shifting loads). Idan ba a gudan su da kyau, an iya duba kari (mechanical failures) a lokacin da suka tashi da kari (long hauls) tsakanin wadanda yawa (transportation modes).

Kwallon Mai Tsaro Na Jinsin Na Sauran Kuma Tashin Gwamnati Don Tsarrawa Ta Hanyar Tashin Kwallon

Kwallon Mai Tsaro Na Fluoropolymer (PFA, ETFE) Don Tsarrawa Ta Hanyar pH Mai Tsaro Kamar Yadda Kuma Tsarrawa Ta Hanyar Halogen

Lines ɗin da aka yi da Perfluoroalkoxy (PFA) da Ethylene Tetrafluoroethylene (ETFE) suna ba da juriya ta musamman ga sinadarai, suna mai da su manyan zaɓuɓɓuka don tankunan jigilar kayan lalata da aka tabbatar da ISO. Wadannan kayan suna iya jurewa tsawon lokaci tare da abubuwa masu acidic ko alkaline masu yawa daga pH 0 zuwa 3 da 11 zuwa 14 ba tare da rushewa ba. Hakanan suna yin aiki sosai a cikin yanayin da ke da wadataccen haliogen kamar chlorine da bromine mafita. Bambancin ETFE yana riƙe da kwanciyar hankali na thermal har ma a yanayin zafi wanda ya kai digiri 150 Celsius, wanda ke nufin cewa ya kasance ba tare da lalacewa ba yayin sufuri ba tare da la'akari da canje-canjen yanayin zafin jiki na waje ko zafi da kaya kanta ke samarwa. Binciken da aka buga a 2021 ta Cibiyar Ayyukan Kayan aiki ya nuna cewa PFA yana rasa kashi 0.3% na nauyinsa sama da awanni 5,000 da aka nutsar da shi cikin 50% na nitric acid, yana doke madadin roba da kusan rabin. Tun da waɗannan kayan ba su amsa da sinadarai tare da abin da suke ciki, babu haɗarin gurɓata ta hanyar leaching, kuma suna iya jurewa da zafin jiki da sanyaya na yau da kullum wanda ke faruwa a lokacin ayyukan sufuri na kasa da kasa tsakanin hanyoyin sufuri daban-daban.

Koatisin Nanokompositi na Gaba da Kofar Silika–Oksida Grafini na Tsarin Zama Aiki

Samarra na farko na nanocomposite coatings don tank containers na T14 yana da kuma amsa na silica ta zama graphene oxide kuma kanku masu gaba mai tsoro da ayyukan shirin. Idan waɗannan kanku na mikroskopiku suka faru daga amfani da abu ne kamar yadda ake amfani da su ko daga canjin harshe, kanku suka faru kuma suka ba da monomers mai tsoro wanda suka sa abun da aka bincika da suka ci gaba daya na uku a cikin kammalinsu a cikin tattaunawa na aljari na sanuwa. Wani abu ne wanda ya sa wannan coating ya fi kyau shine yadda ya kare chloride ions domin epoxy mai yawa wanda muna amfani da shi ta zuwa daga zuwa. Aljari sun nuna cewa graphene oxide particles suka kare wannan ions na kusantarwa biyu da yawa. Kuma nanoparticles na silica sun yi amfani da abun da ke ciki a yadda ake kare damar kuskure a cikin kammalin da ke ciki kamar baffles da valve outlets inda stress ya zama kamar yadda ake samun shi a lokacin da aka kawo. Masu sanyin tank suka amfani da aljari mai gaskiya a cikin sulfuric acid baths kuma suka ga kuskure na 89% a cikin kuskure domin vinyl ester coatings na aljari. Wannan kuskure ya nufi cewa abubuwan da suka zama da fatan sun zama da fatan kuma kuskure na kuskure na kuskure a lokacin amfani.

Sistemin Saffa na Aiki da Karamin Kashe a Cibiyoyin Tanki na Corrosives na Yau

Kara Tsarin Karamin Kashe a Waktu Tana Da Zaman Lafiya ta Hanyar Sensors na Fiber-Optic da EIS

Ayyukan kusurin T14 na yanzu suna zo da sensorin fiber optic cikin kusuri, kuma da sensorin EIS don tsarin tattalin arziki na corrosion wanda ya sa muhimmanci a kuskuren abubuwa. Teknologiya na OFDR zai iya tsara gaba daya na kusuri don fahimci kamar yawa ne kusuri ta kashe waɗannan ƙwayoyin kusuri da kuma zai iya gano kuskuren noma a farko wajen kuskuren daga farko kafin su samu kuskuren da ke haifar da hanyar kuskuren. Sistemin EIS ya yi amfani da tsarin tattalin arziki na resistance na elektriki a cikin kusuri, don haka ya iya gano kuskuren da ke sanya ko kuskuren da ke sanya kafin su faru a jihar kusuri. Idan ayyukan da suka fiye da kuskuren da suka ci gaba da pH ko yadda yake da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da suka ci gaba da kuskuren da......

Koƙarin Karamin Muhimmanci na Gaskiya da Tsarci na Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin K......

IMDG, ADR, da CSC Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin Karamin K......

Canje-canjen kwanan nan sun haɗu da ƙa'idodi daga Dokar IMDG, yarjejeniyar ADR, da yarjejeniyar CSC don ƙirƙirar ƙa'idodin aminci masu daidaituwa don tankunan jigilar kayan lalata. Sabon tsarin T14 na ISO yana buƙatar mafi kyawun rabuwa tsakanin sassan da ke ɗaukar kayan zafi mai saurin zafi, wanda ke da mahimmanci yayin motsawa daban-daban acid kamar sulfuric da hydrofluoric acid a cikin akwati ɗaya. Wannan yana taimakawa wajen dakatar da haɗari mai haɗari kuma yana hana haɗari mai haɗari. Wasu muhimman canje-canje ana bukatar yanzu ciki har da sake duba bawul din matsin lamba bayan shekaru 2.5, da masu kwararru masu zaman kansu suna gwada kariya ta zafi tsakanin ɗakunan, da kuma sanya na'urorin bin diddigin zafin jiki a kan dukkan jigilar kayayyaki da ke kula da yanayin zafi. Kamfanoni da suka kasa bin waɗannan ƙa'idodin suna fuskantar tarar sama da $200,000 don kowane cin zarafi bisa ga rahoton IMO na bara. Waɗannan ƙa'idodin da aka sabunta sun rage kuskuren takardu da kusan kashi 30 cikin ɗari kuma suna kiyaye kwantena masu ƙarfi ko an adana su a cikin yanayin Arctic mai sanyi ko ana jigilar su ta cikin yanayin hamada mai zafi, ba tare da shafar matsayin takaddun shaida na ISO-T14 ba.

Tambayoyi Masu Yawan Faruwa

Wane ne suka duplex stainless steels?

Su ka duplex stainless steels suna da tsari na stainless steel wanda suka fi kuma yana da tsari na kariya da kariya mai zama babu kariya a cikin gaba daya da kariya na stress, amma a cikin al'adu da suka fi kuma yana da saltwater ko abubuwa da suka fi kuma yana da asid.

Yaya ya zama fahimta na abubuwan polymer da suka fi kuma yana da metals a matsayin tank containers da suka fi kuma yana da abubuwan da suka fi kuma yana da kariya?

Abubuwan polymer kamar HDPE da XLPE zasu iya fi kuma yanzu metals a wasu al'amari, amma a cikin al'amari da suka fi kuma yana da abubuwan da suka fi kuma yana da asid ko abubuwan da suka fi kuma yana da oxidation, wanda ke sa muhimci a matsayin kariya na corrosion.

Wane ne suka fi kuma yana da nanocomposite coatings?

Nanocomposite coatings, kamar wadanda suka fi kuma yana da silica da graphene oxide, suna ba da kariya mai zama babu kariya a cikin gaba daya da kariya na corrosion ta hanyar kariya mai zama babu ions da kariya na wear, wanda ke sa muhimci a matsayin kariya mai zama babu kariya na equipment.

Yaya ya zama fiber-optic sensors a corrosion monitoring?

Sensọrin na fiber-optic suna ba da tsarin ayyukan kuma gudunmawa na corrosion a lokacin yanzu ta hanyar kuwana tare da karfi wajen kuwa ga karamin kwalla kuma ganin alama na farko na karamin abu na kwalla ko masu shugaban karamin kwalla kafin su zama masu halaka.

Wane ne mahimmancin kara amfani da shari'a game da kofin kwalla na abubuwan da suka kara halaka?

Kara amfani da shari'a yana nuna cewa kofin kwalla na abubuwan da suka kara halaka suna koyausa standardin yadda ake amfani da kwalla a duniya, kamar yadda ake kara halaka na abubuwan kimiyar da suka kara halaka kuma karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karamin karam......