CN101664715A - Ore-dressing technique capable of effectively improving comprehensive utilization rate of mine resources - Google Patents
Ore-dressing technique capable of effectively improving comprehensive utilization rate of mine resources Download PDFInfo
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- CN101664715A CN101664715A CN200910186050A CN200910186050A CN101664715A CN 101664715 A CN101664715 A CN 101664715A CN 200910186050 A CN200910186050 A CN 200910186050A CN 200910186050 A CN200910186050 A CN 200910186050A CN 101664715 A CN101664715 A CN 101664715A
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Abstract
An ore-dressing technique capable of effectively improving comprehensive utilization rate of mine resources comprehensively utilizes various ore-dressing techniques to produce diversified serial products with different qualities mainly aiming at the metal ore bed having main elements such as tungsten, tin, tantalum and niobium as well as secondary elements such as lithium, rubidium, cesium and feldspar and the like according to the features and market requirements of the mine ores, comprising the following steps: recovering tantalum and niobium by adopting the heavy dressing technique; recovering fine lepidolite ores by flotation after heavy dressing and desliming the tail ores; floating the tail ores and conducting rough separating, ion-removing, grading and de-watering to obtain the rough and fine lithium feldspar powder respectively; and combining all tail ores and press-filtering to obtain the low-grade feldspar products. The invention can change the resource utilization from the existing 'more recovering, little discharging' into 'full recovering, zero discharging' for the mine ores, and maximizes the comprehensive utilization of mine resources, leads the comprehensive utilization rate of the mine resources to reach more than 95%, and basically realizes zero tail ores discharging.
Description
Technical field
The present invention relates to a kind of ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio, relate in particular to a kind ofly, have the polymetallic deposit of lithium, rubidium, caesium, feldspar etc. concurrently, the ore-dressing technique that the comprehensive utilization of resources rate is significantly improved based on tungsten, tin, tantalum, niobium.
Background technology
Along with rapid economy development, resource consumption is increasing, thereby has quickened the anxiety supply degree of mineral resources.At present, nonferrous metal mine comprehensive utilization of resources rate is only about 35%, and the comprehensive utilization of resources rate reaches 70% mine and only accounts for 2%; Because resource is non-renewable, country always actively advocates and encourages enterprise that mineral resources are carried out comprehensive reutilization.Requirement according to the national development recycling economy, be necessary to invent a kind of new ore-dressing technique, promptly according to the mine ore character characteristics and the market demand, various beneficiation methods of integrated application and technology, produce the diversification series of products of different qualities, change " the full recovery; zero-emission " as far as possible into more, realize the maximization of mineral resources comprehensive utilization level by present " reclaim, few discharging ".
Summary of the invention
The purpose of this invention is to provide a kind of can be effectively and significantly improve the ore-dressing technique of mine resources comprehensive utilization ratio, realize the mill tailings zero-emission substantially.
The ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio of the present invention mainly is adapted to have the polymetallic deposit of lithium, rubidium, caesium, feldspar etc. concurrently based on tungsten, tin, tantalum, niobium, it is characterized in that: adopt gravity separation technology to reclaim the tantalum niobium; The gravity tailings desliming is after the lepidolite concentrate is reclaimed in flotation; Flotation tailing again through every thick, deferrization, classification, dehydration obtain respectively slightly, particulate lithium feldspar powder product; All mine tailings merging obtain low-grade feldspar powder product through press filtration.
The ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio of the present invention, it is characterized in that: according to the difference of specific gravity of valuable mineral and gangue mineral, classification gravity concentration reclaims the tantalum niobium, adopt spiral chute one roughing, once purging selection to throw tail, the gravity separation technology that the spiral chute concentrate selects through table concentration, inferior concentrate final election, chats more again; For avoiding the interference of coarse-grained material, adopt preparation of sized raw coal, simultaneously to guarantee tantalum niobium rate of recovery index to the fine fraction valuable mineral.Can intercept the high and low grade lepidolite concentrate product of acquisition respectively by groove according to market demands in the production.And rubidium, cesium element are enriched in the lepidolite concentrate, can effectively reclaim by smelting.Flotation tailing is again by obtaining coarse grain lithium feldspar powder product, particulate lithium feldspar powder product respectively every thick, deferrization, classification, dehydration.All mine tailings concentrate by concentrator after the filter press dehydration obtains low-grade feldspar powder, realize no mine tailing ore dressing.
The ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio of the present invention, to based on tungsten, tin, tantalum, niobium, have the polymetallic deposit of lithium, rubidium, caesium, feldspar etc. concurrently, the various ore-dressing techniques of integrated application, the mine resources comprehensive utilization ratio is reached more than 95%, realize no mine tailing ore-dressing technique.Reclaim tantalum niobium valuable mineral by gravity treatment, adopt the high frequency sieve, improved quality thick, particulate feldspar product, satisfied the different market demands, improved the competitiveness of product in market every thick, cyclone classification, the deironing of magnetic separator multistage and filter dehydration etc.Adopt filtering equipment to reclaim low-grade feldspar powder simultaneously, finally realize the mill tailings zero-emission, meet the requirement of recycling economy development.
Description of drawings
Fig. 1 is the mineral processing circuit figure that can effectively improve the mine resources comprehensive utilization ratio of the present invention.
The specific embodiment
The ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio of the present invention at based on tungsten, tin, tantalum, niobium, has the polymetallic deposit of lithium, rubidium, caesium, feldspar etc. concurrently, and its implementation process is as follows:
Product enters mill heavy industry section behind washup, the muck, primary grinding constitutes closed circuit by rod mill and MICHAEL DRAKE high frequency vibrating fine screen, the ore milling product granularity is 0.5～0mm, enter the spiral classifier classification after the ore milling product deferrization, its sand return enters one section coarse fraction and sorts system, output tantalum-niobium concentrate and mine tailing, overflow through slough-selected separately after the 0.038mm grade, output tantalum-niobium concentrate and mine tailing ,-0.038mm grade enter secondary thin mud system.One section sorts mine tailing and enters secondary grinding, and secondary grinding is made of closed circuit ball mill and high frequency fine screen, and the secondary grinding product granularity is-0.2mm.Classification output again-0.2+0.038mm after the deferrization of secondary grinding product ,-two grades of 0.038mm ,-0.2+0.038mm grade material enters two sections fine fractions and sorts system, and output tantalum-niobium concentrate and mine tailing ,-0.038mm grade material enter secondary thin mud system.Two sections sort mine tailing through high frequency sieve every slightly, again through cyclone classification remove-enter floatation system, the high and low grade lepidolite of output concentrate after the 0.038mm grade part.Flotation tailing filters output coarse grain feldspar powder through spiral classifier classification, sand return; All overflows merging concentrate, filter output particulate feldspar powder through cyclone; Secondary thin mud system-0.038mm grade material sorts output tantalum-niobium concentrate and mine tailing through dewater laggard shop cloth chute, shaking table of concentrator; All mine tailings are merged into concentrator and concentrate laggard filter press dehydration, the low-quality feldspar product of output.The final output tantalum-niobium concentrate in ore dressing plant, high and low grade lepidolite concentrate, thick, thin lithium feldspar powder and low-quality feldspar product; All concentrators, filter and the whole Returning process of filter press overflow water are recycling.This technology can realize the mine tailing zero-emission, and mineral resources reach whole utilizations substantially.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention; make some alternative or obvious modification that are equal to without departing from the inventive concept of the premise; and performance or purposes are identical, then should be considered as belonging to the protection domain that the present invention is determined by claims of being submitted to.
Claims (3)
1, a kind of ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio mainly is adapted to have the polymetallic deposit of lithium, rubidium, caesium, feldspar etc. concurrently based on tungsten, tin, tantalum, niobium, it is characterized in that: adopt gravity separation technology to reclaim the tantalum niobium; The gravity tailings desliming is after lepidolite is reclaimed in flotation; Flotation tailing again through every thick, deferrization, classification, dehydration obtain respectively slightly, particulate lithium feldspar powder product; All mine tailings merging obtain low-grade feldspar product through press filtration.
2, a kind of ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio according to claim 1, it is characterized in that: according to the difference of specific gravity of valuable mineral and gangue mineral, classification gravity concentration reclaims the tantalum niobium, adopt spiral chute one roughing, once purging selection to throw tail, the gravity separation technology that the spiral chute concentrate selects through table concentration, inferior concentrate final election, chats more again; For avoiding the interference of coarse-grained material, adopt preparation of sized raw coal, simultaneously to guarantee tantalum niobium rate of recovery index to the fine fraction valuable mineral; Can be in the production according to market demands, intercept respectively by groove and to obtain high and low grade lepidolite concentrate product, and rubidium, cesium element be enriched in the lepidolite concentrate, can effectively reclaim by smelting; Flotation tailing is again through obtaining coarse grain lithium feldspar powder product, particulate lithium feldspar powder product every thick, deferrization, classification, dehydration; All mine tailing merga pass concentrators concentrate after the filter press dehydration obtains low-grade feldspar powder, realize no mine tailing ore dressing.
3, a kind of ore-dressing technique that can effectively improve the mine resources comprehensive utilization ratio according to claim 1 and 2, it is characterized in that: the muck product enters mill heavy industry section after the washup, primary grinding constitutes closed circuit by rod mill and MICHAEL DRAKE high frequency vibrating fine screen, the ore milling product granularity is-0.5mm, enter the spiral classifier classification after the ore milling product deferrization, its sand return enters one section coarse fraction and sorts system, output tantalum-niobium concentrate and mine tailing, overflow sloughs-and selected separately after the 0.038mm grade, output tantalum-niobium concentrate and mine tailing ,-0.038mm grade material enter secondary thin mud system; One section sorts mine tailing and enters secondary grinding, secondary grinding constitutes closed circuit by ball mill and high frequency fine screen, the secondary grinding product granularity is-0.2mm, classification output again-0.2+0.038mm after the deferrization of secondary grinding product ,-two grades of 0.038mm,-0.2+0.038mm grade material enters two sections fine fractions and sorts system,-0.038mm grade material enters secondary thin mud and sorts system, respectively sorts system's output tantalum-niobium concentrate and mine tailing; Two sections sort mine tailing through high frequency sieve every slightly, again through cyclone classification remove-enter floatation system after the 0.038mm grade part, the high and low grade lepidolite of output concentrate, flotation tailing filters output coarse grain feldspar powder through spiral classifier classification, sand return; All overflows merging concentrate, filter output particulate feldspar powder through cyclone; Secondary thin mud system-0.038mm grade material sorts output tantalum-niobium concentrate and mine tailing through dewater laggard shop cloth chute, shaking table of concentrator; All mine tailings are merged into concentrator and concentrate laggard filter press dehydration, the low-quality feldspar product of output.
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| CN102151616A (en) * | 2011-01-24 | 2011-08-17 | 华东理工大学 | Method for separating lepidolite ore concentrate from tantalum-niobium tailing through flotation |
| CN102399066A (en) * | 2010-09-08 | 2012-04-04 | 海南瑞泽新型建材股份有限公司 | Method and equipment for comprehensive utilization after three-stage staged treatment of mine stone powder |
| CN102430470A (en) * | 2011-12-12 | 2012-05-02 | 浙江大学 | Method for recycling accompanying rare elements in ion adsorption type rare earth tailings |
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| CN102872979A (en) * | 2012-10-31 | 2013-01-16 | 中南大学 | Flotation separation technology for lithium and beryllium bulk concentrate |
| CN103240185A (en) * | 2013-05-07 | 2013-08-14 | 江西理工大学 | Novel lepidolite flotation method |
| CN103318900A (en) * | 2013-06-05 | 2013-09-25 | 英德市奥胜新材料有限责任公司 | Process for producing albite |
| CN103962244A (en) * | 2013-02-01 | 2014-08-06 | 中国科学院广州地球化学研究所 | Separation and enrichment treatment process for recycling metal rubidium resource from copper sulfur tailing |
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| CN104178644A (en) * | 2014-07-23 | 2014-12-03 | 湖南鑫生矿冶废弃物综合利用科技有限公司 | Method for recycling rubidium from iron tailings |
| CN104475238A (en) * | 2015-01-05 | 2015-04-01 | 长沙有色冶金设计研究院有限公司 | Enrichment method for sedimentary type vanadium ores |
| CN104741245A (en) * | 2015-04-22 | 2015-07-01 | 江西旭锂矿业有限公司 | Novel lepidolite floating selecting method, collecting agent and application thereof |
| CN104805311A (en) * | 2015-03-24 | 2015-07-29 | 中国地质科学院矿产综合利用研究所 | Method for extracting rubidium from rubidium-containing feldspar and co-producing silicon fertilizer |
| CN104941780A (en) * | 2015-07-02 | 2015-09-30 | 中国瑞林工程技术有限公司 | Mineral processing technology capable of effectively separating tantalum, tin and lepidomelane |
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| CN105057091A (en) * | 2015-09-23 | 2015-11-18 | 江西金辉环保科技有限公司 | Method for recycling niobium-tantalum concentrate from niobium-tantalum waste ore |
| CN105080705A (en) * | 2015-09-23 | 2015-11-25 | 江西金辉环保科技有限公司 | Method for preparing various minerals from tantalum-niobium ores through combined magnetic separation |
| CN105126993A (en) * | 2015-08-21 | 2015-12-09 | 西北矿冶研究院 | Comprehensive recovery process for associated tantalum-niobium ore |
| CN105597926A (en) * | 2015-12-29 | 2016-05-25 | 中国地质科学院郑州矿产综合利用研究所 | Beneficiation method for rubidium-containing feldspar quarry |
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| CN105126993A (en) * | 2015-08-21 | 2015-12-09 | 西北矿冶研究院 | Comprehensive recovery process for associated tantalum-niobium ore |
| CN105057091A (en) * | 2015-09-23 | 2015-11-18 | 江西金辉环保科技有限公司 | Method for recycling niobium-tantalum concentrate from niobium-tantalum waste ore |
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| CN108057513A (en) * | 2017-12-20 | 2018-05-22 | 江西九岭新能源有限公司 | The method that the barren rock of giant granite containing lithium extracts potassium feldspar concentrate and zinnwaldite concentrate |
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| CN109622210A (en) * | 2018-12-27 | 2019-04-16 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of method of weathering type potash feldspar ore gradation grade purification |
| CN111068898A (en) * | 2019-12-06 | 2020-04-28 | 核工业北京化工冶金研究院 | Method for producing bulk concentrate by mineral separation from polymetallic ore |
| CN112517235A (en) * | 2020-11-23 | 2021-03-19 | 连云港金红矿业有限公司 | Method for improving comprehensive utilization of durite tailings |
| CN114870986A (en) * | 2022-05-17 | 2022-08-09 | 江西九岭锂业股份有限公司 | Treatment method of superfine weak-magnetic lithium ore tailings |
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