本文選題：微細(xì)粒錫石 + 浮選��； 參考：《昆明理工大學(xué)》2017年碩士論文

【摘要】：錫是一種具有眾多優(yōu)良性能的有色金屬,有著廣泛的用途和巨大的市場需求。都龍錫鋅多金屬礦床位于云南省馬關(guān)縣境內(nèi),是南嶺西段四大錫多金屬礦床(個舊、大廠、白牛廠和都龍)之一。該礦床主要有價元素為錫和鋅,另外有10余種有價的共伴生元素,如銀、銦、鎘、銅、鉛、鎵和鍺等,極具開采價值。目前,都龍錫礦已探明錫儲量累計(jì)33萬噸左右,儲量豐富,但錫石嵌布粒度極細(xì),50%以上的錫石嵌布粒度小于0.02mm,同時礦石成分復(fù)雜,選別難度高,因此錫石浮選指標(biāo)不佳,主要表現(xiàn)為回收率偏低。本文結(jié)合現(xiàn)場經(jīng)驗(yàn),探索出適宜的藥劑制度和流程,并證明了新型錫石活化劑對錫石的優(yōu)越活化效果。本論文采用化學(xué)多元素分析、XRD衍射分析、SEM-EDS、物相分析、粒度分析等工藝礦物學(xué)檢測手段,對礦石的性質(zhì)進(jìn)行了研究。論文主要內(nèi)容與成果如下:查明了該礦樣的礦物組成和主要礦物的礦物學(xué)特征。礦石中有回收價值的金屬只有錫,其含量為0.376%,錫絕大部分以錫石的形式存在;脈石礦物組成為綠泥石、白云母、滑石、磁黃鐵礦、綠泥石、氧化鎂和透閃石等。主要脈石礦物石英的含量為24.54%,CaO含量較低,為1.04%;S的含量較高,主要以黃鐵礦、磁黃鐵礦形式存在,對錫石浮選指標(biāo)有較大的影響。針對都龍錫礦特點(diǎn),研發(fā)出了一種新型錫石活化劑—KT51,以期能有效優(yōu)化錫石浮選環(huán)境,提高精礦回收率。同時,進(jìn)行了錫石脫硫-浮錫試驗(yàn),得到了適宜的浮選藥劑制度及流程:脫硫流程為一次粗選,精選次數(shù)為兩次,脫硫部分的適宜條件為:硫酸用量5000g/t;DF-336用量100g/t;起泡劑2#油用量40g/t;浮錫部分條件試驗(yàn)為:捕收劑選用JSY-19;調(diào)整劑Na2C03用量為100g/t;選擇不添加脈石抑制劑CMC;新型錫石活化劑用量為500g/t;捕收劑JSY-19用量為1200g/t;輔助捕收劑P86用量為80g/t;起泡劑2#油用量為60g/t;精選次數(shù)為兩次。在浮錫全流程開路閉路及其對比試驗(yàn)中,證明了新型錫石活化劑能有效提高錫石浮選的回收率。在閉路試驗(yàn)中,得到了品位和回收率分別為5.635%和81.038%的錫精礦,相比不添加活化劑的上升了 9.579個百分點(diǎn),而精礦品位僅有1.271個百分點(diǎn)的下降。結(jié)合現(xiàn)場經(jīng)驗(yàn),對采用新型錫石活化劑后與使用前進(jìn)行指標(biāo)、成本及收益的簡單對比分析以及計(jì)算,通過概算可知,加入新型錫石活化劑后,經(jīng)濟(jì)效益可以增加559.2萬元。
[Abstract]:Tin is a non-ferrous metal has many excellent properties, is widely used and huge market demand. The Dulong tin zinc polymetallic deposit is located in Maguan County of Yunnan Province, Western Nanling is four (Gejiu tin polymetallic deposit, Dachang, Bainiuchang and Dou Long) one of the main ore bed. Valuable elements for tin and zinc, in addition there are more than 10 kinds of valuable associated elements, such as silver, indium, cadmium, lead, copper, gallium and germanium, great exploitation value. At present, Dou Long has proven reserves of tin tin accumulated 330 thousand tons, reserves are abundant, but the tinstone fine-grained dissemination. More than 50% of Cassiterite particle size distribution is less than 0.02mm, and the composition of ore beneficiation complex, high degree of difficulty, so the index of cassiterite flotation is poor, mainly for the low recovery rate. Combined with the practical experience, to explore a suitable reagent system and process, and it is proved that the model of cassiterite activator on CASSITERITE superior activation effect. This paper using chemical analysis, XRD analysis, SEM-EDS, phase analysis, grain size analysis, process mineralogy detection methods, properties of ore were studied. The main contents and results are as follows: to identify the mineral composition and the main minerals of the ore mineral characteristics. The metal ore recovery value only tin, the tin content is 0.376%, the vast majority of cassiterite form; gangue minerals are chlorite, muscovite, chlorite, talc, pyrrhotite, Magnesium Oxide and tremolite. The content of the main gangue mineral is quartz 24.54%, and low content of CaO is 1.04%; the higher S content, mainly in pyrite there, pyrrhotine, has a great influence on the cassiterite flotation index. For Dulong tin ore characteristics, developed a new tinstone activator KT51, in order to effectively optimize the cassiterite flotation environment, improve the concentrate recovery Rate. At the same time, the floating tin cassiterite desulfurization test, the flotation reagent system and process for the desulfurization process: one roughing, featured two times, the suitable conditions for desulfurization part: sulfuric acid dosage of DF-336 5000g/t; 100g/t; 2# foaming agent dosage of 40g/t oil; floating tin condition test as the collector adopts JSY-19; adjusting agent Na2C03 dosage is 100g/t; choose not to add new gangue inhibitor CMC; cassiterite activating agent dosage is 500g/t; the collector JSY-19 dosage is 1200g/t; collector P86 dosage of 80g/t auxiliary catch; foaming agent 2# oil content was 60g/t; select two times in the floating tin. The whole process of open and closed contrast test, proved that the new activator can effectively improve the recovery of cassiterite cassiterite flotation rate. In the closed test, the grade and recovery rate were 5.635% and 81.038% of the tin concentrate, compared with no activator added up 9.579 percentage points, while the decline in the concentrate grade of only 1.271 percentage points. Based on field experience, index of the activator using a new type of cassiterite and before use, costs and benefits of the simple comparative analysis and calculation, through the budget shows that adding new cassiterite activation agent after economic benefits can be increased by 5 million 592 thousand yuan.

【學(xué)位授予單位】：昆明理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TD952;TD923.1

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 宮貴臣;劉杰;韓躍新;;金屬離子對微細(xì)粒錫石浮選行為的影響[J];礦產(chǎn)綜合利用;2016年04期

2 匡敬忠;王駱賓;邱廷省;陳錦全;黃閏芝;余忠保;胡明振;;錫細(xì)泥回收工藝發(fā)展現(xiàn)狀[J];現(xiàn)代礦業(yè);2016年02期

3 陳鄭輝;王登紅;盛繼福;應(yīng)立娟;梁婷;王成輝;劉麗君;王永磊;;中國錫礦成礦規(guī)律概要[J];地質(zhì)學(xué)報;2015年06期

4 許道剛;張雪峰;陳偉麗;王建英;劉志遠(yuǎn);杜繼宇;;我國錫石選礦研究現(xiàn)狀與發(fā)展趨勢[J];礦山機(jī)械;2015年06期

5 劉杰;韓躍新;朱一民;陳文岳;;細(xì)粒錫石選礦技術(shù)研究進(jìn)展及展望[J];金屬礦山;2014年10期

6 農(nóng)升勤;鄧位鵬;姚貴明;覃偉暖;;低品位細(xì)粒錫石浮選試驗(yàn)研究[J];有色金屬(選礦部分);2014年03期

7 任瀏yN;張一敏;覃文慶;包申旭;王軍;;錫石顆粒與氫氣泡間的碰撞粘附行為(英文)[J];Transactions of Nonferrous Metals Society of China;2014年02期

8 秦華偉;葉雪均;楊俊彥;嚴(yán)偉平;;分支載體浮選應(yīng)用于錫細(xì)泥選別的試驗(yàn)研究[J];礦山機(jī)械;2013年08期

9 張富;;中國錫工業(yè)發(fā)展思路[J];中國有色金屬;2013年13期

10 王佩佩;覃文慶;任瀏yN;魏茜;劉瑞增;楊聰仁;衷水平;;烷基羥肟酸對細(xì)粒錫石的浮選及其溶液化學(xué)性質(zhì)(英文)[J];Transactions of Nonferrous Metals Society of China;2013年06期

相關(guān)碩士學(xué)位論文 前7條

1 陳文岳;細(xì)粒錫石表面特性及可浮性研究[D];東北大學(xué);2014年

2 王佩佩;羥肟酸類捕收劑與細(xì)粒錫石的作用機(jī)理及浮選研究[D];中南大學(xué);2013年

3 張周位;錫石浮選體系中金屬離子作用機(jī)理及其應(yīng)用[D];中南大學(xué);2013年

4 張慧;組合捕收劑浮選細(xì)粒錫石作用機(jī)理及應(yīng)用研究[D];中南大學(xué);2010年

5 覃武林;高堿抑制硫鐵礦及活化浮選機(jī)理研究[D];中南大學(xué);2009年

6 李艷;微細(xì)粒高嶺石顆粒與氣泡相互作用研究[D];中南大學(xué);2009年

7 肖巧斌;云錫大馬蘆細(xì)粒錫石浮選藥劑優(yōu)化研究[D];昆明理工大學(xué);2005年

，

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