Chemical surface shiri kafin foda shafi
Chemical Surface Shiri
Aikace-aikace na musamman yana da alaƙa da kusanci da yanayin tsabtace saman da yanayin gurɓatawa. Yawancin filaye foda mai rufi bayan tsaftacewa ko dai galvanized karfe, karfe, ko aluminum. Tun da ba duk shirye-shiryen nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan ke amfani da duk waɗannan kayan ba ne, tsarin shirye-shiryen da aka zaɓa ya dogara da kayan da ake buƙata. Ga kowane abu, za'a tattauna nau'in tsaftacewa kuma za'a bayyana fasalulluka na musamman na wannan yanki. Takamaiman matakai na aikace-aikacen sun yi kama da kowane abu.
TSAFTA KARFE MAI GALVANISED
Masu Tsabtace Alkaline
Masu tsabtace alkaline don ƙarfe mai galvanized yawanci suna da gaurayawan gishirin alkaline masu laushi waɗanda ba sa lalata saman tutiya. A wasu lokuta, ƙaramin-zuwa matsakaici na soda caustic kyauta na iya kasancewa a cikin mai tsaftacewa don cire ƙasa mai wahala ko don samar da abin da ake so. Ana iya amfani da waɗannan masu tsaftacewa ta hanyar fesa wuta, nutsewa, tsabtace lantarki, ko goge hannu.
A cikin hanyar watsa wutar lantarki, sassan da za a tsaftace suna dakatar da su a cikin rami yayin da aka zubar da maganin tsaftacewa daga tanki mai riƙewa kuma a fesa, a ƙarƙashin matsa lamba, a kan sassan. Maganin tsaftacewa sannan ana ci gaba da sake zagayawa. Fesa matsa lamba daga 4 zuwa 40 psi.
A cikin hanyar nutsewa, sassan da za a tsaftace suna kawai nutsewa a cikin wani bayani na mai tsaftacewa wanda ke ƙunshe a cikin ƙaramin ƙarfe ko bakin karfe.
Electrocleaning wani nau'i ne na musamman na tsaftacewa na nutsewa wanda ake wucewa ta hanyar ruwa kai tsaye ta hanyar bayani. An rataye sassan da za a tsaftace a cikin bayani kuma su ne anode, yayin da sauran na'urorin lantarki suna aiki a matsayin cathode. Electrocleaning yana da tasiri fiye da nutsewa a fili saboda aikin gogewa na kumfa gas da aka samar a saman sashin.
Hanyar shafan hannu na aikace-aikacen yana samun ƙarin fa'ida daga aikin jiki na cire ƙasa daga saman ta hanyar zane ko soso, tare da mai tsabta yana taimakawa wajen narkewar ƙasa.
Ana amfani da masu tsabtace alkaline akan saman tutiya mai galvanized a matakai biyu-matakin tsaftacewa da matakin kurkura ruwa. Abubuwan da za a tsaftace yawanci ana isar da su daga mataki ɗaya zuwa wancan bayan bayyanar da ta dace don samar da tsaftacewa. Ana iya amfani da ƙarin matakan tsaftacewa da kurkura idan an buƙata. Sinadaran da ke cikin baho na irin wannan yawanci ana kiyaye su a zazzabi tsakanin 80 da 200°F (27 da 93°C). Yawanci zafin jiki shine 120 zuwa 150F (49 zuwa 66°C) don feshi da 150°F (66°C) don nutsewa. Lokacin da sassan ke fallasa wa waɗannan sinadarai yana tsakanin daƙiƙa 30 da mintuna 5+. Generally, yana da minti 1 zuwa 2 don fesa da 2 zuwa 5 mintuna don nutsewa. Don zama mai tasiri, ƙaddamar da irin waɗannan hanyoyin tsabtace alkaline ya kamata su kasance tsakanin 1/4 da 16 odgal (2 zuwa 120 g / L). Yawanci, a cikin fesa taro shine 1/2 zuwa 1 odgal (4 zuwa 8 g / L) kuma don nutsewa 6 zuwa 12 odgal (45 zuwa 90 g/L).
Mafi tsada daga cikin waɗannan nau'ikan shine na'urar wankewa, saboda yawan adadin wanka da ake amfani da shi da kuma tsadar wutar lantarki ga na'urar. Mafi ƙarancin tsada shine mai tsabtace feshi, tare da shafa hannu a wani wuri tsakanin. Nau'in alkaline shine, ya zuwa yanzu, mafi inganci kuma yawanci mafi ƙarancin tsadar aiki. Domin rage yawan aiki, hanyoyin aikace-aikacen za su zama kwayoyin halittarally a rating kamar yadda: Electrocleaning, feshi tsaftacewa, nutsewa tsaftacewa, da kuma shafa hannu.
Acid Cleaners
Ba a saba amfani da masu tsabtace acid don tsabtace ƙarfe mai galvanized. Daga cikin waɗancan masu tsabtace acid ɗin da ake amfani da su, nau'in da aka fi sani da shi zai zama gishiri mai ɗanɗano mai ɗanɗano, ba mai lalacewa sosai ga saman zinc ba. Ya kamata a lura, duk da haka, akwai ƙwararrun masu tsabtace acid da aka tsara don cire samfurin lalata daga saman galvanized.
A cikin hanyar yin amfani da wutar lantarki, sassan da za a tsaftace suna dakatar da su a cikin rami yayin da aka zubar da maganin tsaftacewa daga tanki mai riƙewa kuma a fesa a ƙarƙashin matsin lamba akan sassan. Maganin tsaftacewa sai a sake zubar da shi a cikin tanki mai riƙewa kuma sake sake zagayowar. Ayyukan fantsama, feshi, da magudanar ruwa suna gudana lokaci guda kuma a ci gaba.
Lokacin da aka yi amfani da hanyar nutsewa na aikace-aikacen, sassan da za a tsaftace suna kawai nutsewa a cikin wani bayani na mai tsabta wanda ke kunshe a cikin ƙaramin ƙarfe ko bakin karfe.
Electrocleaning tare da masu tsabtace acid wani nau'i ne na musamman na tsaftacewa na nutsewa wanda aka ratsa kai tsaye ta hanyar maganin. Sassan da za a tsaftace yawanci sune anode, yayin da sauran na'urorin lantarki suna aiki a matsayin cathode. Electrocleaning yawanci yana samar da wuri mai tsabta fiye da nutsewa a sarari saboda aikin gogewar kumfa oxygen da ke fitowa a saman ɓangaren. Oxygen shine sakamakon electrolysis na ruwa.
Hanyar shafan hannu tana samun ƙarin fa'ida daga taimakon injina na motsa ƙasa ta jiki daga saman ƙasa ta hanyar zane ko soso tare da mai tsaftacewa yana taimakawa wajen narkar da ƙasa.
Yawanci ana amfani da masu tsabtace acid zuwa saman tutiya mai galvanized a matakai biyu: matakin tsaftacewa da kurkura ruwa. Ana iya amfani da ƙarin matakai, tsaftacewa da kurkura idan an buƙata. Ana kiyaye sinadaran da ke cikin wanka a zazzabi na 80 zuwa 200F (27 zuwa 93°C); yawanci 100 zuwa 140°F (38 zuwa 60°C) don feshi da 140 zuwa 180°F (60 zuwa 82°C). C) don nutsewa. Ana fallasa sassan zuwa ga magungunan chemi?cals na daƙiƙa 30 zuwa mintuna 5+; yawanci mintuna 1 zuwa 2 don fesawa da mintuna 2 zuwa 5 don nutsewa. Ana kiyaye mafita a cikin maida hankali na 1/4 zuwa 16 odgal (2 zuwa 120 gL); yawanci 1/2 zuwa 1 odgal (4 zuwa 8 gL) don feshi da 4 zuwa 12 odgal (30 zuwa 90 g/L) don nutsewa.
Domin rage yawan aiki, hanyoyin aikace-aikacen za su zama kwayoyin halittarally a rating kamar yadda: Electrocleaning, feshi tsaftacewa, nutsewa tsaftacewa, da kuma shafa hannu.
Neutral Masu tsabta
A neutral mai tsabta (kamar yadda aka yi amfani da shi don galvanized karfe) na iya ƙunshi surfactants kawai, neutral salts da surfactants, ko surfactants tare da sauran kwayoyin addittu. A neutral Ana iya bayyana mai tsabta a matsayin kowane mai tsabta wanda, a cikin bayani, zai yi rajista tsakanin 6 da 8 akan ma'aunin pH.
Tare da hanyar fesa wutar lantarki, sassan da za a tsaftace suna dakatar da su a cikin rami yayin da ake fitar da maganin tsaftacewa daga tanki mai riƙewa kuma a fesa, a ƙarƙashin matsin, a kan sassan. Maganin tsaftacewa yana ci gaba da sake zagayowar. Fesa matsa lamba daga 4 zuwa 40 psi.
A cikin hanyar nutsewa na aikace-aikacen, sassan da za a tsaftace suna kawai nutsewa a cikin wani bayani na mai tsabta wanda ke kunshe a cikin ƙaramin ƙarfe ko bakin karfe.
Har yanzu, shafan hannu yana da ƙarin fa'ida daga taimakon injina na motsa ƙasa ta jiki daga saman ƙasa ta hanyar zane ko soso, tare da mai tsabta yana taimakawa wajen narkewar ƙasa.
Neutral Ana amfani da masu tsaftacewa yawanci ta amfani da mafi ƙarancin matakai biyu: matakin tsaftacewa da kurkurawar ruwa. Ana iya amfani da ƙarin matakai, tsaftacewa da kurkura idan an buƙata. Ana gudanar da maganin a zazzabi na 80 zuwa 200 ° F (26 zuwa 93 ° C); yawanci 120 zuwa 160F (49 zuwa 71°C) don feshi da 150 zuwa 180°F (66 zuwa 82°C) don nutsewa. Ana fallasa sassan don 30 seconds zuwa 5+ minutes; yawanci mintuna 1 zuwa 2 don fesawa da mintuna 2 zuwa 5 don nutsewa.
Ana gudanar da maganin a cikin maida hankali na 1/4 zuwa 16 odgal (2 zuwa 120 gL); yawanci 1 zuwa 2 odgal (8 zuwa 16 gL) don feshi da 8 zuwa 14 odgal (60 zuwa 105 g/L) don nutsewa. Neutral masu tsaftacewa ba su da tasiri a matsayin mai tsaftacewa na farko. An fi yin amfani da su azaman precleaner.
Chemical surface shiri