A karshen karni na 19, akwai wani malamin makarantar firamare mata na Amurka mai suna Kelly Abbasser. Mijinta mai gyara na injin ne a cikin nawa. Wata rana, mijinta ya fitar da wasu chalcopyrite. Ta so ta tsaftace jakar mai da kuma amfani da shi don wani dalili. Ta gano cewa yayin tsabtatawa tsari, kananan barbashi na Chalcopyrobi zai iya bin sabulu mai zurfi da kuma iyo a kan ruwa, yayin da ƙasa ta yi ta cikin guga. Daga qarshe, wannan gano wannan binciken shine asalin sabon fasahar da ma'adinai sarrafa aiki.
Fiye da shekara ɗari sun wuce, da fasahar flotation an ci gaba da inganta kuma aikace-aikacen sa sun zama da yawa. A cewar ƙididdiga, 90% na marasa ferrous m karfe metres a duniya a halin yanzu ana aiwatar da flotation. Bugu da kari, ana amfani da flotation sosai. Anyi amfani da shi don rarrabe ƙananan ƙarfe, karafa masu daraja, karafa masu daraja, marasa ƙarfe, ƙarfe da sauran kayan mashin da ke da ma'adinai.
A cikin tsarin flotation na zamani, aikace-aikace da kuma daidai yake na flotation reagents za a iya canzawa musamman, saboda ma'adanai da za a iya canzawa zuwa kumfa, don cimma nasara Dalilin sarrafa ma'adinai.
Tarihin samar da ma'adinai na ma'adinai mai sarrafa ma'adinai
Kafin kirkirar da'irori na dabaru, tsire-tsire na farko da aka yi amfani da shi na kananan sunadarai. Dogara kan kwarewar mutum game da ma'aikatan aikin flotation, budewar bawul ɗin sunadarai an daidaita shi don daidaita raguwar magungunan Flotation.
A shekarun 1960, a matsayin fasahar mota ta Amurka ta balaguro Anderos sunyi amfani da ka'idar ruwa don ƙirƙirar injin dosing-nau'in nau'in dosing. Ta canza ƙarar da adadin scoops a kan farantin scoop, yawan ƙara za a iya canza. gudana.
Amma kawai sarrafa kwararar kayan kwalliya na flotation ta hanyar juyawa bai isa ba. Bayan 1970s, transistor-ebited hade da da'irar microctrollọs (an haɗa da'irar da'irar) daga masana'antar soja ga amfani da farar hula. Manyan manyan-sikelin rage farashin zuwa 1/100 na abubuwan da suka gabata, Kanada Jack Johns, lokacin mashin dinsa don gina kashin baya na farko wanda zai iya juya raka'a na farko da ke iya canza sigina. A taron musayar fasaha, Fisher) Injiniyan Fasaha na Kamfanin Balv Johns 'Canja fasahar Canja Jack Johns' Canza shi
A zamanin yau, tare da shaharar mai sarrafawa na PLCLAm mai sarrafawa (yana wakiltar alamar bawulen Siemens na Siens na Siens na Bala'i tare da ƙaramin ilimin ƙwaƙwalwar ajiya kawai. Irin wannan tsarin na iya yanzu akwai wasu ma'adinan minina da yawa a amfani. Yawancin lokaci muna kiranta: injin Seelenoid Valve (ko kuma mashin mashin).
A tsakiyar shekarun 1980s, juyi fasahar juyawa an yi amfani da ita a yawancin masana'antu. Yin amfani da ƙa'idar juyawa don sarrafa farashin kayan diaphragm mafi girma daidai gwargwado na sarrafawa fiye da tsarin dosing na baya da injin ɗin cokali na baya). Wannan na iya taimaka wa manajan sharar gida da farashin sarrafawa zuwa babban aiki.
Bayan 1980s, farashinsa na mita ya fara canzawa zuwa kasuwar masana'antu, musamman ma a cikin filayen daidaitaccen magunguna da magani na ruwa. Tun daga asali ƙirar farashinsa shine don warware matsalar maimaita da tabbataccen isar da daidaitattun kayan ruwa, matatun mai mita. , an kuma fallasa kasawararta. Babban matsalolin sune: 1. Kewayon sarrafawa mai sarrafawa ya karami. Lokacin da aka saita ƙaramin adadin, kuskuren na iya zama babba kamar 50% ko fiye; 2. Diaphragm bayan kayewa, magunguna za su zuba; 3. Ana lissafta adadin kwararar gaba ɗaya bisa dangantakar layin da ke tsakanin mitar motar kuma ƙarar famfo maimakon ƙimar rarar wutar lantarki. A kan aiwatar da ci gaba da daidaita adadin kwarara, kuskuren fitowar kwararar zai ƙaru. 4. Tuza na bututun zai haifar da shugabar famfo don fashewa a ƙarƙashin matsin lamba, kuma sunadarai masu leach za su ƙazantar da muhalli. 5. Resagents flotation da ake karuwa tare da ƙarin impurities za su haifar da bawul ɗin duba ya zama clogged kuma gaza. 6. Akwai wurare da yawa kewaye da da'irar sarrafawa da bututun ciki, yin gyara da shigarwa da shigarwa.
Gyalian ilimin kimiyyar Italiyanci Giovanni Battista Venturi ya gano tasirin Venturili ta amfani da Ofishin Tsarin Bernoulli na Bernoulli sannan ya ƙirƙira bututun mai. A cikin 2013, Wilber ya yi amfani da ka'idar isar da kararraki na CNC ta ƙirƙira tsarin CNC (Patnet A'a. Tsarin dosing yana sarrafawa ta hanyar matsanancin tsari na Cikakken fim. Hakanan ana kiranta injin daskararren ruwa.
Lokaci: Jul-30-2024
