非洲金礦石破碎選礦，蘇丹金礦選礦項目

蘇丹金礦選礦項目，

一、項目地質背景

    礦床特征：

    主要開采對象為第四紀沖積型砂金礦床
    礦體平均厚度3-5m，金品位1.2-3.5g/m³
    礦石真密度2.65g/cm³，松散密度1.6t/m³

    礦石特性：

    主要脈石礦物：石英（70%）、長石（15%）、云母（10%）
    金礦物形態(tài)：主要為片狀、粒狀自然金
    金粒度分布：+0.074mm占65%，0.074-0.037mm占25%

二、工藝流程設計

    碎磨系統(tǒng)：

原礦倉→格篩(100mm)→顎破(C6X160)→雙層振動篩→圓錐破(HPT300)→
高壓輥磨機→球磨→旋流器組(Φ350×6)

    設計破碎比i=80
    最終磨礦細度-0.074mm占90%

    重選系統(tǒng)：

    采用"跳汰+搖床"聯(lián)合流程
    強化微細粒回收
    設計回收率：+0.074mm金95%，-0.074mm金85%

    輔助系統(tǒng)：

    尾礦處理：深錐濃密機+壓濾機
    水循環(huán)率：≥85%
    電力配置：10kV高壓配電系統(tǒng)

三、核心設備選型

    破碎工段：

    顎式破碎機：C6X160，處理量500t/h
    圓錐破：HPT300，閉邊排料口25mm

    磨選工段：

    球磨機
    分級效率：≥85%

    環(huán)保設施：

    含氰廢水處理站（50m³/h）
    粉塵收集系統(tǒng)（效率＞99%）

四、技術經(jīng)濟指標
項目 指標
處理能力 2000t/d
作業(yè)率 92%
金回收率 93.5%
電耗 28kWh/t
鋼耗 0.8kg/t
水耗 0.5m³/t
五、項目實施方案
    建設周期：
    設計：3個月
    施工：8個月
    調試：1個月

六、技術創(chuàng)新點

    采用"高壓輥磨+球磨"預選拋尾工藝，降低能耗30%
    開發(fā)了適于紅土型金礦的復合捕收劑
    應用PLC全流程自動化控制系統(tǒng)
    尾礦干排技術實現(xiàn)零排放

七、運維保障

    備件儲備：
    關鍵備件庫存率達95%

    技術服務：

    駐廠工程師團隊
    遠程診斷系統(tǒng)

 

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

LIMING brings a large number of high-qualification talents together. Bai Yinghui, general research and development engineer, is a well-known expert in crushing and grinding area who won the youth medal of technology of the state council and receives special government allowance. LIMING owns an experienced service team, offering the customer free design and professional skill training and live guide for installation and debugging. The company's service networks have spread all over the country. Established client files, and mix the traditional door-to-door service with online service together, complementary the advantages. LIMING has won high recognition from clients.

The company mainly manufactures mobile crushers, stationary crushers, sand-making machines, grinding mills and complete plants that are widely used in mining, construction, highway, bridge, coal, chemical, metallurgy, refractory matter, etc. Product quality is life, and scientific innovation is motive power. LIMING got ISO international quality system certification, European Union CE certification and Russian GOST certification. The company has strong research and development strength and innovation.

LIMING machinery research institute was founded in 2005 which is the most powerful comprehensive technological research institute in the domestic mining machinery industry and provides top scientific research platform for professional personnel. Up to now, LIMING has won 10 national patents, 24 national utility model patents and 3 provincial science and technology achievement awards. The company products remain the international leading level by strengthening international exchanges and cooperation all the time, and has won a wide range of international market, such as Russian, Azerbaijan, Kazakhstan, Turkey, Kuwait, South Africa, Egypt, Vietnam, Malaysia, India, Australia, Korea, Canada and European Union,etc. Through more than 30 years' hard work, LIMING's staff built supremacy of credibility, excellent quality, service "LIMING" brand, and has made outstanding contributions to the development of mechanical manufacturing industry for China and the whole world.

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源自：http://tweakyourweek.com/ 蘇丹金礦選礦項目