Izindlela Zokwelapha Ze-Electroplating Cyanide Exhaust Gas

Isingeniso

In the i-electroplating imboni, ama-cyanides asetshenziswa kabanzi njengezithasiselo ezibalulekile ze-electroplating. Bangakwazi ukuthuthukisa kakhulu ikhwalithi nokusebenza kahle kwezingqimba ze-electroplating. Kodwa-ke, ngesikhathi senqubo ye-electroplating, i-cyanide-equkethe i-exhaust gas ikhiqizwa, equkethe izinto ezinobuthi kakhulu njenge-hydrogen cyanide (HCN). Lokhu kubangela usongo olukhulu endaweni ezungezile nempilo yabantu. Ngakho-ke, ukwelashwa okuphumelelayo kwe-electroplating igesi yokukhipha i-cyanide ibaluleke kakhulu.

Imithombo ye-Electroplating Cyanide Exhaust Gas

1. Amathangi e-Electroplating: Ngesikhathi se-electroplating, ngenxa yokuguquguquka kwe-electrolyte kanye negesi ekhiqizwa ukusabela kwe-electrolytic, igesi yokukhipha equkethe i-cyanide iyakhululwa. Isibonelo, ku-cyanide electroplating yegolide nesiliva, izinhlanganisela ze-cyanide ezisesixazululweni sokucwenga zizoshintshashintsha ngaphansi kwesenzo sokushisa namandla kagesi.

2. Izinqubo Zokuhlanza: Ngemuva kwe-electroplating, lapho ama-workpieces ehlanzwa ngezixazululo zokuhlanza eziqukethe Ama-cyanides, inani elincane lama-cyanide lizoshintshashintsha. Ngisho noma ukugcwala kwama-cyanides esixazululweni sokuhlanza kuphansi, ukunqwabelana kwesikhathi eside kanye nokuguquguquka kusengadala izinkinga zokungcola.

3. Ukwelashwa Amanzi: Uma ukwelashwa kwamanzi angcolile nge-electroplating kungafanele, igesi ye-cyanide ingase ibaleke. Enqubweni yokwelapha amanzi angcolile aqukethe i-cyanide, uma izimo zokusabela zingalawulwa kahle, ukubola kwama-cyanides kungase kukhiqize igesi ye-HCN futhi kungene emkhathini.

4. Izinsiza Ezisizayo: Izisetshenziswa ezifana nezinhlelo zokungenisa umoya kanye nezisetshenziswa zokushisisa zingase futhi zikhiqize amanani omkhondo wegesi yokukhipha umoya ngesikhathi sokusebenza. Nakuba inani lincane, uma kucatshangelwa ubuthi obuphezulu be-cyanides, abunakunakwa.

Izici ze-Electroplating Cyanide Exhaust Gas

1. Ubuthi obuphezulu: Izinhlanganisela ze-cyanide, ikakhulukazi i-HCN, zinobuthi obudlulele. Ngisho nasezimweni eziphansi kakhulu, zingadala ukulimala emzimbeni womuntu. Ukuhogela igesi yokukhipha i-cyanide equkethe i-cyanide kungaholela ezimpawini ezifana nekhanda elibuhlungu, isiyezi, ukuphelelwa umoya, futhi ezimweni ezimbi kakhulu, kungasongela ukuphila.

2. Ukugxila Okuphansi kodwa Umphumela Okhulayo: Ngokuvamile, ukugcwala kwegesi yokukhipha i-cyanide ye-electroplating iphansi uma kuqhathaniswa, kodwa ngenxa yokukhiqiza okuqhubekayo phakathi nenqubo ye-electroplating, uma ingelashwanga kahle, umphumela okhulayo uzodala ukungcoliswa kwemvelo kwesikhathi eside.

Inqubo yokwelapha ye-Electroplating Cyanide Exhaust Gas

1. I-Exhaust Gas Collection

• Faka izivalo zokuqoqa igesi noma amanye amadivaysi eqoqo ezindaweni zokukhiqiza igesi. Lawa madivaysi okuqoqa kufanele aklanywe ngokuya ngenqubo ethile yokukhiqiza kanye nesakhiwo ukuze kuqinisekiswe ukuthi igesi yokukhipha ingaqoqwa ngempumelelo. Isibonelo, endaweni yokusebenzela enkulu ye-electroplating, inhlanganisela yama-hood eqoqo endawo kanye nezinhlelo zokungenisa umoya zingasetshenziswa ukuze kubanjwe ngokugcwele igesi yokukhipha equkethe i-cyanide.

2. Ukuqunjelwa

• Ukususwa kothuli: Sebenzisa okokusebenza kokukhipha uthuli njengezihlungi zezikhwama noma ama-electrostatic precipitators ukuze ususe i-particle ku-exhaust gas. I-particle ingase ithwale i-cyanide compounds endaweni yayo, futhi ukuwasusa kusenesikhathi kungathuthukisa ukusebenza kahle kokwelashwa okulandelayo futhi kuvimbele ukulimala kwempahla yokwelapha.

• Ukususwa Kwewaxing Nomswakama: Njengoba igesi ye-exhaust ingase ibe nomhwamuko wamanzi nenkungu kawoyela, sebenzisa izinto ezisusa umswakama neziqeda umswakama ukuze ususe lezi zinto. Umhwamuko ungathinta ukusebenza kahle kwezinqubo zokwelashwa ezilandelayo, futhi inkungu kawoyela ingase ibe nomthelela ekusebenzeni kwama-catalysts nezinto ezimuncayo.

3. Inqubo Yokwelapha Eyinhloko

• Indlela Yokumunca Amakhemikhali

• isimiso: Sebenzisa izixazululo ze-alkaline ezifana ne-sodium hydroxide (NaOH) noma i-calcium hydroxide (Ca(OH)₂) njengezimunyi. I-cyanide kugesi ephumayo ihlangana nesisombululo se-alkaline ukwenza usawoti we-cyanide. Isibonelo, i-HCN isabela ne-NaOH ukuze yakheke I-Sodium Cyanide (NaCN), engasusa ngempumelelo i-cyanide kugesi yokukhipha umoya.

• Inqubo: I-exhaust gas ingena embhoshongweni wokumunca amakhemikhali, lapho ithintana nesisombululo se-alkali esifuthwe ngendlela ephikisanayo. Umbhoshongo wokumuncwa uvame ukugcwaliswa ngezinto zokupakisha ukwandisa indawo yokuxhumana phakathi kwegesi noketshezi, ukuthuthukisa ukusebenza kahle kokumuncwa.

• Indlela ye-Catalytic Oxidation

• isimiso: Ngaphansi kwesenzo se-catalyst, i-cyanide egesini yokukhipha umoya i-oxidized ibe yi-non-toxic I-Carbon i-dioxide (CO₂), amanzi (H₂O), kanye ne-nitrogen (N₂). Ama-catalyst avamile afaka phakathi ama-catalyst ensimbi ayigugu (njenge-platinum, i-palladium) kanye nama-catalyst e-metal oxide (njenge-titanium dioxide, i-vanadium pentoxide).

• Inqubo: Ngemva kokudlula embhoshongweni wokumunca amakhemikhali, igesi ephumayo ingena kudivayisi ye-catalytic oxidation. Idivayisi ifakwe umbhede we-catalyst, futhi igesi ephumayo idlula embhedeni we-catalyst ezingeni elithile lokushisa kanye nesivinini sesikhala. I-catalyst ikhuthaza ukusabela kwe-oxidation ye-cyanide, inciphisa ubuthi bayo.

• Indlela Yokumunca Okumanzi

• isimiso: Sebenzisa umbhoshongo wokumunca omanzi ukuze ufafaze into emunca uketshezi ukuze umunce i-cyanide kugesi ephumayo. I-absorbent ingaba isisombululo esikhethekile samakhemikhali esakhiwe ngokuvumelana nezici ze-cyanide.

• Inqubo: I-exhaust gas ingena embhoshongweni wokumunca omanzi ukusuka phansi, futhi i-absorbent ifafazwa ukusuka phezulu. Zombili ziyathintana embhoshongweni, kanti i-cyanide esegesini ephumayo imuncwa into emuncayo. Uketshezi olumunyiwe lube seluphathwa ngokuhlukana ukuze kukhishwe i-cyanide.

• Indlela Yokwelapha Ngebhayoloji

• isimiso: Amanye ama-microorganisms anamandla okubola i-cyanide. Sebenzisa lawa ma-microorganisms ukonakalisa i-cyanide kugesi ephumayo endaweni efanelekile.

• Inqubo: I-exhaust gas iqala ngokuswakama bese ingena emshinini wokwelapha webhayoloji. Idivayisi iqukethe inkampani yenethiwekhi ye-biofilm lapho ama-microorganisms anamathiselwe khona. I-Cyanide kugesi ephumayo ikhangiswa yi-biofilm futhi iboliswa ama-microorganisms abe yizinto ezingenabuthi. Kodwa-ke, le ndlela idinga ukulawulwa okuqinile kwezimo zemvelo ezifana nezinga lokushisa, i-pH, nokunikezwa kwezakhi ukuze kuqinisekiswe ukukhula okuvamile nokusebenza kwezilwanyana ezincane.

4. Ukuqapha nokukhishwa

• Faka okokusebenza kokuqapha ku-inthanethi embotsheni yokukhipha igesi ukuze uqhubeke uqaphe ukugcwala kwe-cyanide nokunye ukungcola kugesi ephumayo. Kuphela uma igesi yokukhipha igesi ihlangabezana nezindinganiso kazwelonke nezasendaweni lapho ingakhishelwa khona emkhathini. Imininingwane yokuqapha kufanele irekhodwe futhi ibikwe njalo ukuze kuqinisekiswe ukuthotshelwa kwemvelo.

Ucwaningo lwesigameko

Ibhizinisi elithile le-electroplating libe nezinkinga ezingathi sína ngokungcoliswa kwegesi yokukhipha i-cyanide equkethe i-cyanide phakathi nenqubo yokukhiqiza. Ukuze kuxazululwe le nkinga, inkampani ithathe izinyathelo zokwelapha ezilandelayo:

1. I-Exhaust Gas Collection: Kufakwe ihood yokuqoqa igesi esebenza kahle kakhulu ngaphezu kwethangi le-electroplating ukuze kuqinisekiswe ukuthi ngaphezu kuka-95% wegesi ekhishwayo iqoqiwe.

2. Ukuqunjelwa: Setha isistimu yokukhipha uthuli kanye ne-dehumidification ukuze isuse ngempumelelo i-particle kanye nomhwamuko wamanzi ku-exhaust gas.

3. Ukwelashwa Okuyinhloko: Kwamukelwe inhlanganisela yokumuncwa kwamakhemikhali nezinqubo ze-catalytic oxidation. Okokuqala, igesi yokukhipha igesi yangena embhoshongweni wokumunca amakhemikhali ogcwele isisombululo se-NaOH sokususa iningi le-cyanide. Khona-ke, i-cyanide esele yaphinde yakhishwa nge-oxid futhi yabola kudivayisi ye-catalytic oxidation.

4. Ukuqapha: Kufakwe isistimu yokuqapha ku-inthanethi ukuze kuqinisekiswe ukuthi igesi ekhishwayo ecociwe iyahlangabezana nezindinganiso kazwelonke zokukhishwa kwegesi.

Ngemuva kokuqaliswa kwalezi zinyathelo, ukugxila kwe-cyanide kugesi ephumayo yebhizinisi kwehla kakhulu, kunciphisa ngempumelelo ukungcoliswa kwemvelo nokuvikela impilo yabasebenzi.

Isiphetho

Ukwelashwa kwe-electroplating cyanide exhaust gas kuyisinyathelo esibalulekile sokuvikela imvelo nempilo yabantu embonini ye-electroplating. Ngokwamukela ukuqoqwa kwegesi ephumayo efanele, ukwelashwa kusengaphambili, ukwelashwa okuyinhloko, nokuqapha nokukhipha izinyathelo, ukugcwala kwe-cyanide kugesi ephumayo kungancishiswa ngempumelelo ukuze kuhlangatshezwane nezidingo zokuvikelwa kwemvelo. Ngokuzayo, ngokuthuthukiswa okuqhubekayo kwezidingo zokuvikela imvelo, amabhizinisi e-electroplating adinga ukuqhubeka nokwandisa futhi asungule izinqubo zokwelashwa kwegesi ekhishwayo ukuze azuze intuthuko esimeme.