Aikace-aikacen Duk - Slime Cyanidation Oxygen - Tsarin Leaching Mai Arziki

Gabatarwa

A cikin masana'antar hakar gwal da hakar gwal, duk - slime tsarin siyanidation ya kasance hanya ce ta ko'ina da ake amfani da ita don hako zinari daga ma'adinai. Wannan tsari yana farawa tare da niƙa duka takin zuwa ɓangarorin lafiya, yawanci tare da mahimmin kaso na barbashi ƙasa da micrometers 74 (- raga 200). Sa'an nan kuma ana bi da slurry tama da aka samu cyanide. Cyanide ions suna amsawa tare da zinari a cikin tama, suna yin zinari mai narkewa - mahadi na cyanide. Ana iya ƙara sarrafa waɗannan mahadi don dawo da gwal.

Wani muhimmin ci gaba ga duka - slime cyanidation tsari shine gabatarwar oxygen - leaching mai wadata. Wannan haɓakawa ya nuna babban yuwuwar haɓaka inganci da inganci Hakar zinare.

Ƙa'idar Oxygen - Ƙarfafawar Cyanide Leaching

Oxygen - wadataccen tsarin aikin leaching na zinari, wanda kuma aka sani da tsarin CIG oxygenation, ya maye gurbin al'adar gargajiya ta yin amfani da iska mai matsa lamba a cikin tankin leaching tare da isasshen oxygen. Lokacin da aka shigar da iskar oxygen mai tsabta a cikin tankin leaching daga ƙarƙashin mai tayar da hankali, ya narke a cikin slurry tama. Babban ka'idar ita ce rushewar gwal a cikin maganin cyanide yana faruwa ta hanyar halayen lantarki. Oxygen yana aiki a matsayin wakili na oxidizing, wanda ke taimakawa wajen narkar da zinari yadda ya kamata.

Yawancin tsire-tsire na cyanide suna aiki a ƙarƙashin yanayin inda rabon ions na cyanide zuwa oxygen ya fi 6. A cikin irin wannan yanayi, saurin rushewar zinariya ya dogara da yadda sauri oxygen zai iya yadawa cikin amsawa. Ta hanyar amfani da iskar oxygen mai tsafta, adadin iskar oxygen a cikin slurry yana ƙaruwa, wanda ke haɓaka haɓakar gaba ɗaya. Bincike ya nuna cewa zubar da zinari tare da iskar oxygen yana kusan sau biyar da sauri fiye da iska.

Fa'idodin Oxygen - Wadataccen Leaching a Duk - Slime Cyanidation

1. Ƙara Gudun Leaching da Ƙimar Farko

Maɗaukakin ƙwayar iskar oxygen a cikin slurry kai tsaye yana haifar da saurin leaching. Tare da saurin narkar da zinariya, jimlar lokacin leaching za a iya rage muhimmanci. Wannan ba kawai yana haɓaka ƙarfin sarrafa shukar yau da kullun ba har ma yana ba da damar haɓakar haɓakar gwal daga ma'adanin. A sakamakon haka, za a iya inganta ƙimar dawo da zinare, wanda ke haifar da yawan amfanin wannan ƙarfe mai daraja.

2. Rage Amfanin Cyanide

Yin amfani da oxygen mai tsabta a cikin tsarin leaching zai iya yanke Amfanin Cyanide Akwai dalilai da dama na wannan. Na farko, idan aka yi amfani da iskar oxygen mai tsafta maimakon iska, adadin Carbon dioxide a cikin slurry yana raguwa. Carbon dioxide na iya amsawa da cyanide, wanda ke sa a sha shi a cikin halayen gefe. Da ƙarancin carbon dioxide, waɗannan halayen gefe suna raguwa. Na biyu, saurin fitar da ruwa cikin sauri yana rage tasirin sauran halayen gefe da ke cinye cyanide. Na uku, iskar oxygen mai tsabta na iya lalata abubuwa a cikin ma'adinan da za su cinye cyanide, wanda hakan ke ƙara rage adadin cyanide da ake buƙata don tsarin fitar da ruwa.

3. Ƙananan Bukatun Kayan Aiki

Idan ikon leaching ya kasance baya canzawa, iskar oxygen - wadataccen leaching na iya rage girman tankin leaching. Saboda saurin leaching ɗin yana ba da damar sarrafa adadin gwal ɗaya a cikin ɗan gajeren lokaci, ƙaramin ƙarar amsa ya isa. Rage girman kayan aikin leaching na iya haifar da tanadin farashi dangane da siyan kayan aiki, shigarwa, da sararin sararin samaniya da injin sarrafa ke buƙata.

Takaddun aikace-aikace

Halin 1: 

A baya an yi amfani da tsarin al'ada duk - slime cyanidation tsari tare da iskar iska. Saboda hadadden yanayin ma'adinan, samun babban adadin dawo da gwal ya kasance kalubale. Bayan aiwatar da duk - slime cyanidation oxygen - tsarin leaching mai wadata, an ga ci gaba na ban mamaki. An rage lokacin leaching, kuma adadin dawo da gwal ya karu daga 80% zuwa 90%. Bugu da ƙari, amfani da cyanide ya ragu da kashi 30 cikin ɗari, wanda ya haifar da babban tanadin farashi ga ma'adinan.

Halin 2: 

babban ma'adinin zinare ne mai girma da iya sarrafa girma. Ta hanyar ɗaukar iskar oxygen - tsari mai wadatar leaching a cikin tsarin su na sinadarai na slime, sun sami damar haɓaka haɓakar zinarensu na yau da kullun da kashi 20%. Har ila yau ma'adinan ma'adinan ya ba da rahoton raguwar farashin aiki gabaɗaya, musamman saboda ƙarancin amfani da cyanide da ingantaccen amfani da kayan aiki. Nasarar aiwatarwa a [Sunan Mine 2] ya zama misali ga sauran ma'adanai a yankin don yin la'akari da haɓaka hanyoyin hako su.

Kalubale da Magani wajen Aiwatar da Oxygen - Leaching Mai Arziki

1. Damuwar Tsaro

Kula da iskar oxygen mai tsafta yana buƙatar tsauraran ka'idojin aminci. Oxygen yana amsawa sosai, kuma rashin kulawa na iya haifar da haɗarin wuta ko fashewa. Don magance wannan, ma'adinai dole ne su saka hannun jari a cikin ajiyar iskar oxygen da tsarin bayarwa waɗanda suka dace da ka'idodin aminci. Horon aminci na yau da kullun ga ma'aikatan da ke cikin iskar oxygen - tsarin leaching mai wadata shima yana da mahimmanci don tabbatar da cewa sun fahimci haɗarin haɗari da yadda ake aiki da iskar oxygen cikin aminci.

2. Daidaituwar Kayan aiki

Haɓaka zuwa tsarin iskar oxygen- wadataccen tsarin leaching na iya buƙatar gyare-gyare ga kayan aikin leaching na yanzu. Abubuwan da ake amfani da su wajen gina tankunan leaching, masu tayar da hankali, da bututun bututu suna buƙatar dacewa da iskar oxygen don hana lalata da tabbatar da aiki na dogon lokaci. A wasu lokuta, yana iya zama dole don maye gurbin wasu abubuwan da aka gyara tare da oxygen - kayan juriya kamar bakin karfe ko polymers na musamman.

3. Farashin Oxygen Supply

Kudin samun da samar da iskar oxygen mai tsafta na iya zama damuwa ga wasu ma'adanai. Duk da haka, ajiyar kuɗi daga rage yawan amfani da cyanide da kuma ƙara yawan kuɗin dawo da zinariya sau da yawa fiye da farashin oxygen a cikin dogon lokaci. Ma'adinai na iya bincika zaɓuɓɓuka daban-daban don isar da iskar oxygen, kamar a kan - tsire-tsire masu samar da iskar oxygen ko dogon kwangiloli tare da masu samar da abin dogaro, don sa iskar oxygen - tsarin leaching mai wadata ya fi tsada - tasiri.

Kammalawa

All - slime cyanidation oxygen - wadataccen tsarin leaching yana ba da fa'idodi masu mahimmanci a cikin masana'antar hakar gwal. Ta hanyar haɓaka saurin leaching, haɓaka ƙimar dawo da gwal, rage yawan amfani da cyanide, da yuwuwar rage girman kayan aiki, wannan tsari yana da yuwuwar haɓaka riba da dorewar ma'adinan zinare. Ko da yake akwai ƙalubale a cikin aiwatar da shi, tare da matakan tsaro da suka dace, haɓaka kayan aiki, da dabarun ingantawa, da yuwuwar ƙarin ma'adanai za su yi amfani da wannan fasahar leaching ta ci gaba a nan gaba. Yayin da bukatar zinare ke ci gaba da girma, ingantattun hanyoyin hakowa kamar iskar oxygen - leaching mai wadata za su taka muhimmiyar rawa wajen biyan wannan bukata tare da rage tasirin muhalli da tattalin arziki.