Bari mu yanke ga bin: idan kuna tsammanin daidaitattun gaskets na lantarki sune abin dogaro na dogon lokaci don fesa gishiri, bayyanar sinadarai, ko zafi mai zafi, wataƙila kuna saita kanku don gazawar filin mai tsada. Tambayar ta ainihi ba game da suturar kanta ba ce, amma game da ƙayyadaddun yanayin gazawar da aka yi watsi da su har sai ya yi latti.

Amincewar da ba ta dace ba a cikin Layer na Bakin Karami

Na ga wannan sau da yawa. Takaddun bayanai na kira don galvanized, kuma electrogalvanizing yana samun ƙima saboda yana da arha kuma yayi kyau daga kan shiryayye-mai kyau da sheki. Zaton shi ne duk zinc, don haka dole ne ya ba da irin wannan kariya. Wannan shine tarkon farko. Electrogalvanizing shine ainihin tsari na electrolytic wanda ke ajiye bakin ciki, ko da Layer, yawanci kusan 5-10 microns. Yana da kyau ga bayyanar kuma yana ba da kyakkyawar kariyar tushe daga bushewar gurɓataccen yanayi. Amma a gaskiya m yanayi-tunanin dandamali na bakin teku na bakin teku, layukan sarrafa sinadarai, ko jigilar injuna a cikin yankunan da ke kawar da ƙanƙara - wannan amincewa yana ƙafe cikin sauri. Layer ɗin ya yi bakin ciki sosai don samar da ingantaccen aikin anode na hadaya da zarar an daidaita shi.

Rashin gazawar yana farawa azaman tsatsa gabaɗaya. Yawancin lokaci harin rami ne da aka keɓe. Rushewa yayin shigarwa, ƙaramin fashe daga kafawa, ko ma kawai gefen da rufin ya fi ƙanƙanta ya zama wurin farawa. A cikin galvanizing mai zafi-tsoma, kauri mai kauri da baƙin ƙarfe-zinc gami yadudduka har yanzu iya kare karfe a karce. A cikin sassan da aka yi amfani da wutar lantarki, ƙetare ya kai ga ƙarfen tushe kusan nan da nan. Daga nan, lalatawar fim ɗin da ke ƙasa, kuma zinc ba zai iya yin hadaya ta kare babban yanki ba saboda babu isasshen adadin zinc. Kuna ƙarewa da tsatsa na zubar da jini daga ƙarƙashin tulun tutiya mai kama da har yanzu, wanda shine mafarki mai ban tsoro don dubawa.

Mun gudanar da gwajin gefe-da-gefe shekaru baya, ba ma wannan kimiyya ba, kawai rataye samfurori a kan shinge kusa da masana'antar sarrafa ruwan sha. Samfurori masu zafi sun nuna tsatsa (zinc oxide) bayan watanni 6 amma babu ja. The gasankara samfurori? Sun fara nuna jajayen tsatsa a ramuka da yanke gefuna cikin ƙasa da kwanaki 90. A watan 8, tsatsa ya yadu. Wannan bakin bakin ciki, rufin uniform shine makiyinsa-babu wani kauri a gefuna masu rauni.

Inda Electrogalvanized Zai Iya Tsaya (Kuma Inda Ba Zai Yi Ba)

Ba dukan halaka ba ne. Akwai wuraren sarrafawa inda electrogalvanizing ya isa daidai kuma yana da tsada. Aikace-aikace na cikin gida tare da tsayayye, ƙarancin zafi, ko a cikin majalissar da aka rufe daga yanayi (kamar a cikin wasu rumbun lantarki tare da hatimin gasketed). Makullin shine rashin ci gaba da danshi ko wasu sinadarai masu tayar da hankali. Na ayyana shi don haɗin ginin ciki a cikin rumbun ajiya, alal misali. Yana da kyau.

Cikakkun wuraren da ba za a tafi ba su ne duk wanda ya ƙunshi chlorides, yawan busassun busassun hawan keke, ko hayaƙin acidic/alkaline. Na tuna wani aiki da ya haɗa da ductwork a cikin masana'antar sarrafa abinci tare da ƙarancin ƙarancin acidic. Injiniyan ya ƙayyadad da gaskets masu lebur na lantarki don duk flanges. Sun yi kama da cikakke yayin shigarwa. A cikin shekara guda, mun sami leaks a gidajen abinci da yawa. Gasket ɗin sun lalace har ta kai ga rasa ƙarfi da rufe mutunci. Samfurin lalata (tsatsa) shima ya mamaye mafi girman girma, wanda a zahiri zai iya ƙara nauyin abin rufe fuska, amma a zahiri, kawai ya murƙushe kayan gasket ɗin da aka lalata. Gyaran ya kasance cikakken rufewa da sauyawa tare da gaskat bakin karfe 316 - darasi mai raɗaɗi a cikin jimlar shigar farashi.

Wani abin da ba a manta da shi akai-akai shine daidaitawar galvanic. Biyu an gasankara tare da bakin karfe da bakin karfe a cikin yanayin jika, kuma kun ƙirƙiri baturi. Zinc (anodic) zai lalace sosai don kare bakin (cathodic). Wannan na iya hanzarta cin wannan siraren tutin tutiya cikin sauri mai ban tsoro. A cikin irin wannan saitin, za ku iya zama mafi kyau tare da gaskat ɗin ƙarfe na carbon a fili da kuma dogara ga wucewar bakin, ko mafi kyau tukuna, dacewa da duk kayan. Maganar ita ce, ba za a iya zaɓar gasket a keɓe ba.

Haƙiƙanin Haƙiƙanin Mai bayarwa da Haƙiƙanin Abu

Yin magana da masana'antun yana ba da haske a kan iyakokin aiki. Don babban girma, daidaitattun sassa, electrogalvanizing shine sarki saboda saurin gudu, farashi, da gamawa na kwaskwarima. Kamfanin kamar Hannun Zetai Mretering co., Ltd., tushen a kasar Sin babban fastener cibiyar samar a Yongnian, Hebei, iya gudu m batches na daidaitattun gaskets ta hanyar lantarki da layukan da nagarta sosai. Wurin da suke kusa da manyan hanyoyin sufuri kamar titin jirgin kasa na Beijing-Guangzhou da babbar hanyar kasa ta 107 wata fa'ida ce ta kayan aiki don samar da waɗannan abubuwa masu tsada, masu girma da yawa a duniya. Kuna iya duba daidaitattun abubuwan bayarwa akan rukunin yanar gizon su a https://www.zitaifaseners.com. A gare su, ƙayyadaddun tsari ne wanda ya dace da babban kaso na buƙatun kasuwa.

Koyaya, lokacin da kuka shiga cikin buƙatun fasaha don sabis mai tsauri, tattaunawar tana canzawa. Masu samar da kayayyaki iri ɗaya sau da yawa za su ba da shawarar ƙaura daga tsarkakakken electrogalvanized don aikace-aikace masu mahimmanci. Suna iya ba da shawarar jiyya na baya-bayan nan kamar suturar jujjuyawar chromate (rawaya, shuɗi, ko bayyanannu) waɗanda ke ƙara juriya na lalata ta hanyar wucewar saman zinc. Wannan yana taimakawa jinkirta fara farar tsatsa kuma, a ɗan ƙarami, tsatsawar ja. Amma jinkiri ne, ba canji na asali ga kauri na rufin ko iyawar hadaya ba. Don ƙarin farashi, kayan kwalliyar zinc-flake (kamar Geomet ko Delta Protekt) suna ba da kyakkyawan aiki sosai, yayin da suke gina kauri, mafi juriyar shinge wanda kuma ya ƙunshi flakes na aluminum. Amma yanzu kuna barin mulkin mafi arha kayan haɗin gwiwa.

Takeaway? An inganta sarkar samar da kayayyaki don ma'auni. Ƙayyadaddun mahalli masu tsauri yana nufin dole ne ku cire zaɓin daidaitattun kuma galibi ku shiga cikin tsari na musamman, wanda ke shafar lokacin jagora da farashi. Yana da ciniki-kashe ayyuka da yawa suna samun kuskure a cikin ƙimar aikin injiniya.

Harka a Batun: Sake Gyaran da Ya Koyar da Mu Fiye da Rashin Farko

Mun sami aikin sake fasalin bututun waje a cikin kayan aikin petrochemical. Gaskets na asali sun kasance bakin karfe na carbon, kuma an lalata su da ƙarfi ga flanges, suna buƙatar aikin tocila don cirewa. Halin da aka yi a gwiwa shine haɓakawa zuwa na'urar lantarki don hana mannewa. Mun yi. Bayan shekaru biyu, yayin da muke juyawa, mun tarar da sabbin gas din ba su makale ba, amma sun lalace sosai, tare da hasarar kauri sosai. Fuskokin da aka rufe sun yi rami kuma ba su yi daidai ba.

Muhallin ya kasance hadaddiyar kisa: alamun tururi mai tsaka-tsaki (zafi da danshi), mahadi na sulfur a cikin iska, da gishirin bakin teku. Rufin electrogalvanized ya daɗe. Binciken da aka yi bayan mutuwar mutum ya kammala cewa an yi amfani da Layer zinc na bakin ciki da sauri a cikin shekara ta farko. Ragowar karfen tushe sannan ya lalace cikin hanzari, mai yiyuwa saboda aikin galvanic na farko da kuma yanayin tashin hankali. Haɓakawa a zahiri ya ba mu ma'anar tsaro ta ƙarya kuma ta haifar da mafi ƙasƙantar yanayin rufewa fiye da idan mun yi amfani da rufi mai kauri, mafi juriya daga farkon, ko wani abu daban gaba ɗaya.

Wannan gazawar ta ingiza mu zuwa tantance mai zafi-tsoma galvanized (tare da kulawar da ta dace don jure juriya da ɗigogi) ko flake-zinc don irin waɗannan ayyuka masu tsauri na kan iyaka. Ga shari'o'i masu tsanani da gaske, mun tsallake rufaffen carbon karfe gaba ɗaya kuma mun koma ga aluminum ko gask ɗin bakin karfe, duk da tsallen farashin. Jimlar farashin ɗigogi ko rufewar da ba a yi shiri ba yana ɗaukar farashin kayan gasket.

Hanyoyi masu Aiki da Kayyade tare da Buɗe Ido

Don haka, menene hukuncin electrogalvanized gasket karko? Ee yana da sharadi, tare da fa'idodi masu nauyi. Dole ne ku ayyana tsauri musamman. Shin yana ɗaukar lokaci-lokaci, ko kuma ana fesa kai tsaye? Shin pH tsaka tsaki ne, ko ɗan kashewa? Menene zagayowar zafin jiki? Waɗannan cikakkun bayanai suna da mahimmanci fiye da babban lakabin.

Ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan yatsana yanzu: Idan yanayin ya kasance mai lalacewa don buƙatar fiye da aikin fenti akan tsarin ƙarfe da ke kewaye, to electrogalvanized shi kaɗai akan wani muhimmin abin rufewa shine caca. Yi la'akari da shi azaman ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan tsarin rigakafin lalata. Koyaushe sanya sakamakon gazawar. Gaskat kasawa akan rukunin shiga abu ne mai ban haushi. Haka gasket ɗin da ke kasa a kan layin mai da ke da matsa lamba shine bala'i.

A ƙarshe, rubuta yanayi a cikin ƙayyadaddun ku. Kada a rubuta galvanized kawai. Ƙayyade tsarin (electrogalvanized ta ASTM B633, Nau'in I, Fe/Zn 5), kuma idan zai yiwu, na buƙatar murfin juriya na chromate (Nau'in II) don ƙarin juriya. Ko, mafi kyau tukuna, ayyana sa'o'in gwajin gishiri da ake buƙata don gazawa (misali, ASTM B117). Sa'o'i 96 ba tare da tsatsa ba ya bambanta da sa'o'i 500. Wannan yana tilasta tattaunawa mai ma'ana tare da mai siyar ku, ko babban masana'anta ne kamar Handan Zitai da aka ambata ko kuma mai rabawa na gida. Yana motsa tattaunawa daga kayayyaki zuwa kayan aikin injiniya, wanda shine ainihin abin da gasket a cikin yanayi mai tsanani ya kamata ya kasance.