Iko Kushandiswa kweSodium Cyanide muIndasitiri yeElectroplating

Electroplating inzira yakakosha muindasitiri yekugadzira, inosanganisira kuisa simbi yakatetepa pamusoro pesimbi yekushanda kuburikidza ne electrolysis. Kuita uku hakungokwidziri kuramba kwesimbi kwesimbi chete asiwo kunonatsiridza kutaridzika kwayo uye kunaka kwepamusoro. Sodium cyanide, kemikari ine muchetura zvakanyanya asi inoshanda zvakasiyana-siyana, inoita basa rinokosha mukuita electroplating industry.

Izvo zvakakosha zveElectroplating

Electroplating yakavakirwa pamusimboti we electrolysis. Mune electroplating setup, iyo simbi workpiece inofanira kuiswa inoitwa cathode, nepo simbi ichaiswa inoshandiswa seanode. Ose ari maviri cathode uye anode anonyudzwa mumushonga we electrolyte une maion esimbi esimbi yekuputira. Kana magetsi achipfuura nepakati pe electrolyte, ioni dzesimbi mumhinduro dzinokwezvwa kune cathode (iyo workpiece) uye inoiswa pamusoro payo, ichiita mutete, yunifomu yesimbi yeplating.

Basa reSodium Cyanide mu Electroplating

Sodium cyanide (NaCN) inoshandiswa zvakanyanya mu electroplating sea Complexing Agent. Iyo ine kugona kuumba yakagadzikana macomplexes ane akasiyana masimbi ions. Muchirevo che electroplating, aya simbi - cyanide complexes ane zvakawanda zvakanakira:

1. Yakanatsiridzwa Plating Hunhu: Metal - cyanide complexes inoumbwa ne Sodium Cyanide batsira mukuwana imwe yunifomu uye yakatsetseka simbi deposition pane workpiece pamusoro. Semuenzaniso, mumhangura electroplating, iyo copper - cyanide complex inovimbisa kuti copper ions inoiswa zvakaenzana, zvichiita kuti pave nedense uye inonamatira mhangura. Izvi zvakakosha kune maapplication uko kutendeseka kweiyo plated layer kwakakosha, senge muindasitiri yemagetsi yekubatanidza maplating.

2. Kuparidzirwa Kwakawedzerwa:Kushandiswa kwe sodium cyanide mumushonga we electrolyte unovandudza simba rekukanda rekugezera. Simba rekukanda rinoreva kugona kwemugadziriso weplating kuisa yunifomu yesimbi pane iyo workpiece, kunyangwe pane yakaoma-yakaumbwa zvikamu zvine recesses uye protrusions. Iyo simbi - cyanide complexes inogona kunyatsosvika zvikamu zvese zvebasa rekushanda, kuve nechokwadi chekuvhara kwakakwana. Izvi zvinobatsira zvakanyanya mumaindasitiri senge emotokari, uko zvikamu zvine akaomesesa geometries zvinoda kuputirwa kuitira kudzivirira ngura.

3. Yakagadzika Plating Bath: Sodium cyanide inobatsira mukuchengetedza kugadzikana kweiyo electroplating bath. Iyo inodzora kuwanda kweiyo simbi yemahara mumhinduro, ichidzivirira kuumbwa kwesimbi deposits iyo isina kunaka - yakanamatira kana yehurombo. Nekuumba yakagadzikana macomplexes, inobvumira kuti iwedzere kudzorwa uye inopindirana electroplating process.

Yakananga Mashandisirwo eSodium Cyanide muElectroplating

1. Copper Plating: Mu electroplating yemhangura, Sodium cyanide inoshandiswa kugadzira mhangura - cyanide complexes. Izvi zvinonyanya kukosha pakuisa pane substrates senge zinc - alloy die - castings. Zinc - alloy die - castings anoshandiswa zvakanyanya mukugadzira zvinhu zvekushongedza, zippers, uye zvidiki-zviyero zvemakanika zvikamu. Sezvo zinc - alloy inotapukirwa nekuora mune acidic plating mhinduro, cyanide - yakavakirwa mhangura - plating process inowanzoshandiswa se pre-plating nhanho. Iyo mhangura yemhangura yakaiswa uchishandisa cyanide - ine electrolyte inodzivirira zinc - alloy substrate kubva kune acidic nharaunda yeanotevera plating maitiro, senge nickel plating, uye zvakare inovandudza kunamatira kwenickel layer.

2. Silver Plating: Sodium cyanide inoshandiswawo mune sirivha electroplating. Silver - cyanide complexes inoumbwa mu electrolyte, iyo inogonesa yakatsetseka uye yakajeka sirivha deposition. Silver - plated zvinhu zvinowanzo shandiswa muindasitiri yezvishongo, kugadzira tableware, uye magetsi anobatika. Iko kushandiswa kwesodium cyanide mune sirivheri electroplating kunovimbisa kupedzisa - kwemhando yepamusoro, nesirivheri layer ine yakanakisa kutaridzika uye kushora kuramba.

3. Zinc Kupera: Kunyangwe kuedza kwakaitwa kugadzira isiri-cyanide zinc - plating maitiro, mune dzimwe nguva, cyanide - based zinc electroplating ichiri kushandiswa. Iyo zinc - cyanide complexes yakaumbwa nerubatsiro rwe sodium cyanide inopa simba rekukanda rakanaka uye inobvumira kuiswa kweunifomu zinc layer. Zinc plating inoshandiswa zvakanyanya kudzivirira ngura yesimbi nesimbi zvikamu, senge mukuvaka uye maindasitiri emotokari.

Kufunga Zvekuchengetedza

Pasinei nezvakawanda zvakanakira mu electroplating, sodium cyanide chinhu chine muchetura zvakanyanya. Inoburitsa hydrogen cyanide gasi kana yasangana nemaasidhi kana mvura. Naizvozvo, matanho akasimba ekuchengetedza anofanirwa kunge aripo munzvimbo dze electroplating dzinoshandisa sodium cyanide:

1. Kubata Kwakakodzera uye Kuchengeta: Sodium cyanide inofanira kuchengetwa munzvimbo yakachengeteka, inofefetera zvakanaka, kure neacids uye mwando. Vashandi vanobata sodium cyanide vanofanira kudzidziswa mabatiro akakodzera, kusanganisira kushandiswa kwemidziyo yekuzvidzivirira yakadai semagirovhosi, magogi, nekudzivirira kufema.

2. Zvirongwa zveEmergency Response: Zvidyarwa zveElectroplating zvinofanirwa kunge zvine hurongwa hwekupindura kwechimbichimbi kana ikaparara netsaona kana kuburitswa kwesodium cyanide. Zvirongwa izvi zvinofanirwa kusanganisira nzira dzekubvisa nharaunda, kusarerekera cyanide, uye kupa rubatsiro rwekurapa kune vanobatwa.

3. Environmental Protection: Mvura yakasviba kubva kune electroplating maitiro ane sodium cyanide inofanira kubatwa zvakanaka kubvisa cyanide isati yabudiswa munzvimbo. Nzira dzekurapa dzinogona kusanganisira kemikari oxidation, iyo inoshandura cyanide kuti isanyanya kukuvadza makomisheni.

Mukupedzisa, sodium cyanide inoita basa rakakosha muindasitiri ye electroplating, ichigonesa kugadzirwa kwemhando yepamusoro, yakasimba, uye inoyevedza zvigadzirwa zvakapfava. Nekudaro, kushandiswa kwayo kunofanirwa kutarisirwa nekuchenjerera kuchengetedza kuchengetedzwa kwevashandi uye kuchengetedzwa kwezvakatipoteredza. Sezvo tekinoroji ichifambira mberi, kuyedza kuri kuitwa kugadzira mamwe maitiro, asina muchetura maitiro e electroplating, asi parizvino, sodium cyanide inoramba iri chinhu chakakosha mune akawanda electroplating application.