Abin da ake kira pickling yana amfani da hydrofluoric acid da maganin nitric acid don wanke oxide na saman karfe da aka samar bayan an magance zafi.An yi amfani da shi a cikin abun da ke cikin bayani da ƙimar rabo: HF (3-8%), HNO3 (10-15%), H2O (sauran adadin) lokacin sarrafa zafin bayani a 40-60 ° C.

Hanyar pickling bututu:
Tsaftace tarkace a cikin zubewar mai → Kwanduna da aka ɗora → Gurɓataccen sinadari → Tsabtace ruwan zafi → Tsabtace ruwan sanyi → Tsatsawar sinadarai → Tsatsawar ruwan gashi mai tsatsa

Tsarin pickling ya kamata ya kula da waɗannan abubuwan:
Batu na farko:yarda da mai shigowa da aka jera, ƙayyadaddun bayanai, yawa da madaidaiciyar yanke ingancin rashin cancantar karɓar dakatar da tattarawa da sanarwa akan lokaci na sashin kula da ingancin ko taron bita.

Batu na biyu:Na farko shi ne don ƙara acid daidai da ƙimar rabo na sarrafa bene na kanti, ya kamata a raba acid ɗin daidai a cikin tanki mai tsini, maimakon ƙarawa a wani ɓangare na tankin acid;sannan a kula da girman yawan tururi, domin sarrafa zafin karfen acid gaba daya sarrafa zafin acid din zuwa dan kadan ya rinjayi (kimanin digiri 60), kuma kada ya sarrafa zafin ya yi yawa ko jin tafasa. acid;sauran shi ne don tsara aiwatar da site karfe bututu katin, don bambanta tsakanin daban-daban frame lambar, Saboda gaban daban-daban irin karfe pickling lokaci bambanci.

Batu na uku:da pickling tsari kula, da kuma mafi muhimmanci mataki.Daban-daban kayayyakin karfe bututu da kuma gama karfe pickling da degreasing.Wanne, dagawa kayayyakin karfe bututu za a iya kai tsaye amfani da nailan igiya zuwa pickling tank, rataye da gaye karfe bututu ya kamata wutsiya high kai low, sabõda haka, da acid iya samu nasarar shiga cikin bututu.gama karfe bututu rataye a cikin acid wanka pickling, a dace tazara lokaci dagawa karfe bututu da baya a cikin acid tanki, ya zama hadaddun abu da iskar shaka na saman bututun karfe ciki da wajen Picchi wannan kashe don cire karfe bututu, a hankali branched substantially ja ruwa. tare da manyan jiragen ruwa masu matsa lamba don wanke bututun bututu, sannan bututun karfe a cikin manyan fayilolin da aka rataye a cikin acid don jiƙa lokacin da ya dace bututun ƙarfe da ke rataye tankin acid ɗin ya kamata a jiƙa na tsawon mintuna 10 a cikin nutse sannan a hankali rassan a wanke saman ciki da waje. .To bututun mai ya kamata ya je sump kashe na saman mai da man shafawa da lemun tsami jiƙa a cikin kwatami na minti 10 sa'an nan kurkura ciki rami-by-reshe ja ruwa;a mirgina kayan da aka gama zuwa bututun mai a cikin kwatami don jiƙa na ɗan lokaci don tabbatar da bututun ƙarfe ya huce gabaɗaya, bututun ƙarfe a cikin wankan acid na tsawon rabin minti, sa'an nan kuma a cikin nutse da reshe-by-reshe.

Batu na hudu:tsarin pickling bayan aikin dubawa.Ƙarƙashin gwajin bututun ƙarfe na ƙarfe ya mai da hankali da farko tsabtace oxide na ciki da waje na bututun ƙarfe, musamman a cikin tsabtar bututun ciki, mafi kyawun amfani da zaren DON ta hanyar bincikar dabara, adadin samfurin yakamata ya zama ƙasa da 10%.Mai biye da toshe acid yana gwada saman karfe da gazawar duba launi na bututun ƙarfe yakamata a sake tsinkewa;nesantar man da saman bututun karfe bai kamata ya zubar da mai ba, musamman hankali kada ya kasance babu ragowar bututun fitar da acid.