关于选矿的论文题目

我国煤矿智能化政策引导明确从国家政策规划来看，2020年2月25日，国家发改委、能源局等8部分联合印发《关于加快煤矿智能化发展的指导意见》，针对我国一些煤矿正在开展智能化建设工作中存在的基础理论研发滞后、技术标准与规范不健全、平台支撑作用不够、技术装备保障不足、高端人才匮乏等问题提出相关意见及保障措施。几大核心任务如下：另外，我国主要省份也提出了煤炭行业智能化发展的目标。内蒙古自治区明确提出到到2025年，117处井工矿实现全部固定岗位机器人作业，38处露天矿实现智能连续运输。其他省市地区如山西、陕西、新疆、贵州等均提出了煤炭行业智能化发展的目标或规划：煤矿智能化理论基础逐渐加强我国政策明确大力发展煤矿智能化以来，“智能化”主题成为各大煤业研究所和院校的主要研究方向。2018年，煤矿智能化主题发表论文数量为373篇，占两化融合论文总量的6%;2020年，煤矿智能化主题发表论文数量快速增长到1080篇，占两化融合论文总量的比重超过1/3，达到7%;两年间，煤矿智能化主题论文发表数量增长了9倍，论文占比提升了1个百分点。另外，2020年，行业两化融合领域发表论文排名前20位的关键词中，煤矿智能化相关关键词占5个，分别是：智能(化)开采、智慧矿山、智能化建设、智能矿山、煤矿智能化。其中，智能(化)开采以1669个高居首位。排名前十位的关键词分别是：智能(化)开采、监控系统、大数据、数值模拟、智慧矿山、传感器、PLC、矿压监测、智能化建设、智能矿山。大型企业积极部署目前，我国各大型煤炭企业在煤矿智能化部署方面均取得一定成效。中国神华(601088)在2021年上半年已累计完成了智能采煤工作面25个，智能掘进工作面4个，智能选煤厂6个，起到良好的示范作用。整体来看，国家积极推进煤矿智能化发展，从政策引导规划，落地到企业示范工程，自上而下的智能化路径明确，为煤炭行业的转型升级指引正确方向。—— 以上数据参考前瞻产业研究院《中国煤炭行业发展前景与投资战略规划分析报告》

因为字数超过一万字了 所以中文里稍微删减了一点 反正你是写英文的对吧 只看下面英文就行了　　关于磁电选矿相关应用的论文　　根据矿石中不同矿物的物理、化学性质，把矿石破碎磨细以后，采用重选法、浮选法、磁选法、电选法等，将有用矿物与脉石矿物分开，并使各种共生的有用矿物尽可能相互分离，除去或降低有害杂质，以获得冶炼或其他工业所需原料的过程。关于磁选设备的进展，已有若　　别，在物料中加　　选矿使有用组分富集，减少冶炼或其他加工过程中的燃料、运输等的消耗，使低品位的贫矿石能得到经济利用。选矿试验所得数据，是矿床评价及建厂设计的主要依据。　　从脉石中有时从其他矿物中分选出金属矿物或有价值的别种矿物的机械加工方法　　With regard to the application of magnetic beneficiation related papers　　According to the different mineral ores physical, chemical nature of the ore broken ground, the use of re-election law, flotation, magnetic separation method, Electricity election law, will be useful minerals and gangue mineral separately, and a variety of symbiotic useful minerals as far as possible, separate, remove or reduce harmful impurities in order to obtain smelting or other industrial raw materials needed to With regard to the progress of magnetic separation equipment, are already a number of specialized assessment　　Reference 〔 'a 41, here only collected on a magnetic separation and information　　Comprehensive 　　1 weak magnetic characteristics of the progress of low intensity magnetic separation is to use　　High-performance chin iron boron magnets to create a higher field-strength magnetic drum　　Election machine, drum magnetic separator and pre-selection of large chunk magnetite　　Stone, the development is conducive to improve the concentrate grade of weak magnetic 　　Chin iron boron magnets (Nd: Fel knife) is the largest energy product can be　　Tatsu 18X10 "(T A / m), about drilling alloy shirt　　(SmC) Maximum energy product (59X10 "T A / m) of　　z-fold [51, silver ferrite (S6Fe20,) the largest energy product　　(326X105T A / m) 10 Therefore, the use of　　Chin-Fe-B Magnetic Separator line easy to raise the field strength and 　　Germany, for example, with hinge rod iron boron permanent magnet developed 'Permos'　　Drum magnetic separator magnetic induction of up to 4 ~ 5T,　　Materials can be used wet-dry election or an election can also be more ideal　　Strong magnetic separator used to remove material to a strong magnetic material　　Quality 〔6 ' British Boxmag - Rapid Rail Limited with hinge　　Boron magnets developed 'Magnadrum' Drum Separator　　Magnetic field up to 3 ~ 4T, for sorting industrial minerals　　And abrasive powder 〔 'J As equipment such as large-scale examples, I　　State Institute of Ma On Shan mine CTDG1210 following the development of large　　Diameter magnetic separator, he developed a greater CTDGIS16 type　　Diameter of the magnetic separator [3], the use of money-Fe-B magnetic system, cylinder surface-ping　　Both the magnetic field up to 4T, for sorting large magnetite　　S Anshan Black Design and Research Institute of Mining and Metallurgy Shandong Zhang　　家洼cooperation in the development of iron ore a price 1400mmx1600　　mm electromagnetic water-cooled magnetic pulley 【〕, the average magnetic field for the cylinder surface　　24T, handling capacity up to 200t / h, used for pre-selection　　One of the magnetite 350mm stone, eight months from the original 667,000 t　　Excluding iron ore 97% of the 75,000 t tailings, a total increase　　Economic benefits of 534,200 In order to improve the sorting equipment　　The effect of the comprehensive utilization of mineral emei Institute conventional magnetic separation　　Trough improve magnetic 〔a re-election machine,〕 its groove from the upper body cone　　Cylindrical-shaped change, permanent magnetic ferrite by the lower part of Round Tower　　Shape changed to the upper part of the overall magnetic lines scattered formation of multi-storey circular magnetic system,　　Field strength distribution of 12 ~ 0kA / m, and equipped with the concentration of self -　　Control system can be sub-constituency pulp concentration of control in 30% ~　　Between 35 percent, the device in the application of Shougang Qian'an Iron effect　　Fruit is: with the improvement of processes, improved sorting tablets　　Degrees, with the previous fine sieve fine grinding process compared to that in mill　　Capacity, concentrate grade and iron recovery under the same conditions,　　Increased the production capacity of 66% This equipment has been developed　　For the price 300,600,1500,1800,2500 mm Series　　P In order to improve the concentrate grade, Beijing Mining and Metallurgical Research total　　Hospital developed a Bk a drum magnetic field more than 1021　　〔Kawasaki It adopted a very open 7 magnetic lines and downstream type election　　Box, fill in the election together with me in Central and exclusive premium coarse tailings,　　Feeder terminal located in the overflow weir and exclusive fine-grained tailings, so that shipped with the tube　　Line of magnetic material has always been the reverse flow of clean　　Achieve the purpose of concentrate The aircraft in Nanfen Iron Mine　　Concentrator industrial test results show that with the price 105Ommx　　21OOmm half compared to current-type magnetic separator, a high concentrate grade　　04 percent, sorting efficiency 28%, while the magnetic iron back　　Low yield of only 19 　　It is worth noting that the former Soviet Union to study electrochemical　　Law regulating the process of strengthening the magnetic 'K Research in the laboratory do　　Set of refractory ores and oxide ores, the first paragraph of the low intensity magnetic separation　　Before using the electrode of the role of the most promising, concentrate grade will be provided as　　1% ~ 1,4%, iron recovery rate of 5 percent raise, 4　　%, Weak magnetic separation tailings in strong magnetic regulated before, iron　　And improve the recovery rate of l%, 4% Easy selection of ore,　　Polarization effect, the first and the second paragraph of the magnetic iron recovery　　Rates were increased by only 2%, 8% and 1% ~ 2　　C It is believed that the effect is due to the different nature of the ore, magnetic　　Of different intensity and mineral Also as a result of ore oxygen　　Substances fixed potential value and exchange current value and restore the cathode　　Response to the current limit of different 　　2 Strong magnetic strong magnetic equipment were limited mainly to　　Permanent magnet and electromagnetic roller or belt strong magnetic Britain　　Rapid L BOxmag with a hinge iron boron permanent magnet system　　Creating a 'Magnaroll' Roll Magnetic Separator [ '〕, including the roll diameter　　Gong Gong 75mm and 100mm in two specifications, respectively, for the Office　　The rationale for fine-grained and coarse-grained It is expected to pass an area of the magnetic field　　Often for the 9 ~ 0T, and loop generated by the high gradient,　　Sorting performance roller magnetic induction machine is superior, the typical application　　Including the purification of silica sand and feldspar, improve the quality and Tao Andalusite　　Fine porcelain material dry The former Soviet Union developed a rotating magnetic　　Field Separator roller 〔 ',,, also known as electric sorting The　　Main loser is expected by the belt and with the following configuration and with parallel　　Constitute a permanent magnet Magnetic roller by the permanent magnet composed of three parts, in　　Permanent magnet poles of the Ministry of Law and roll to the vertical axis, before and after the permanent magnet　　Body of law to the magnetic axis and roll into a 45 "angle, forming the same level　　Face in three directions of the magnetic field, magnetic field for the roll surface 45T Points　　Electoral principle is the use of non-magnetic conductive particles in rotating magnetic roller　　Rotating magnetic field generated by the driving force for transforming the role of pay and non-derivative　　Xinhua particle separation of aircraft being used for non-ferrous metal processing residue from　　Recovery of scrap and waste aluminum, copper and other metal particles, conductor production　　Purity and recovery of goods are up more than 94 China's Ma　　Hill Mining Research Institute, following the development of Cs-1-type roller magnetic separator　　After the development of a Cs-2 electromagnetic induction strong magnetic roller　　Machine 〔''], the roll diameter and effective length of 380mm were smart　　And 1468mm, parallel twin-roll configuration, with a total of four sub-election,　　Magnetic field can be between 4 ~ 78T regulation, excitation, Chuan　　Actin and were air-cooled power 23kw, 13xZkw and　　09 justice Z The aircraft used in Meishan Iron sorting 12 ~　　Chek Ling ZMM one of the indicators of iron ore is iron ore　　40%, the concentrate grade and recoveries were　　05% and 75%, a single-year cost-effective equipment　　For 630,000 With different roller magnetic Ferromagnetism with teeth　　Board or the ball wet media as a result of strong magnetic separator structure is complicated,　　High cost, coupled with the type of large development remains is to promote　　Applications and improve and SHP a strong magnetic separator 2000　　In Qidashan Iron Ore has been applied 〔'' ', SQC-6 -　　2770-type strong magnetic separator in Masteel satisfied people Gushan Iron Mine production flow　　Cheng, Gong-1500 Shuangli Central strong magnetic separator further in Kunming Steel　　By the popularization and application of 〔'5] SHP-keung, a 3200-type magnetic separator　　The improvements include 〔'']: magnetic angle from 83 "to , Magnetizing　　Coil replaced by the air-cooled, such as oil- Rather meaningful is that Queensland　　Steel plate medium level of tooth ring magnetic separator and the ball vertical ring magnetic media　　Machine with the same test sample were compared [1 '〕, the results of table　　That the tooth plate flat ring of iron concentrate grade and recoveries were　　About 4% and 8%, but the vertical ring-type magnetic properties as a result of the reverse flushing　　Material, which is not easy to plug for the screening, the following rough, rinse water　　Pressure and lack of strict water quality requirements, more reliable 　　3 HGMS in the magnetic field of high gradient magnetic　　Study of the election is still occupies an important position, and made significant Jin　　E Svoboda described a new type of high gradient magnetic separator　　I''〕 plane, the aircraft using short-term water-cooled magnetic coil system, the magnetic field for　　ZT, input power 110kw, from South Africa University of the　　Witwatersrand gold and uranium tailings recovery, capacity 30t / Former　　The Soviet Union the new joint company克里沃罗格selection and black metal　　Beneficiation Research Institute developed a 600-type 3KM small magnetic　　Sorting machine 〔 'Lu' Kai loaded aircraft using electromagnetic magnetic lines and mesh　　135 ~ x51 ~ punching screen for sorting media magnetic induction for the 5T, processing capacity of up to 30Ot / h, for　　Enterovirus 95 to deal with a fineness of 045 N edge of the iron oxide stone　　R Copper-rich Zambia's high gradient magnetic separator to　　To the attention recently with the background magnetic field 3T, sorting cans foot　　Inch 23mmx32mmx104mm (effective volume 42ml,　　Filling 5% 50 ~ 10, that is, steel wool m high horizontal magnetic field gradient　　Magnetic devices, to 5 ~ 38 al m ore of copper concentrate and made　　Experimental research on t ',', in the feed flow rate of 7cm / s and cleaning velocity　　14cm / s under the conditions of separation twice before a magnetic products　　Chalcopyrite and bornite content from 72 to 86 percent called back　　The yield was 82%; after a magnetic products, copper content　　From 16%　　　　Increased to 44 percent, and the recovery was 72 In China,　　HGMS who has been cross-industrial applications period, workers from China and South Africa　　Industry, universities and Ganzhou, Jiangxi Institute of cooperation in the development of nonferrous metallurgy　　The SLON a 1000 vertical ring pulsating high gradient magnetic separator has been　　The development of a r500 type SLON 〔 ' ', Its diameter by sorting　　1ooomm to 150omm, mail handling capacity t / h to　　30t / h, and structural improvements, performance has increased, the first　　Taiwan SLON a 1500-type magnetic separator installed in 1989 regardless　　Mountain iron ore, to deal with slime and strong magnetic separation tailings, such as fine-grained Refractory　　Mixed materials, the original estimated annual economic benefit is 06 million yuan'''',　　Inter reached 08 million Passed technical appraisal in 1990 after　　The mine has ordered a 1500-type SLON a pulsating high ladder　　Separator The past two years, also iron ore and copper Gongchangling　　Copper applications were recorded in the five and a one SLON　　1500 vertical ring pulsating high gradient magnetic On the pulse of high-Ossetia　　Magnetic principle degrees were also made to further explore 〔 "] Zhongnan Engineering　　Industry University of Pangushan Tungsten fine mud of pulsating high gradient magnetic separator test　　A post-mortem studies also received a good indicator of 'Chuan: containing the WO74%　　Tungsten fine mud at the right time under the conditions of separation, to be with WO3　　Volume of 90 percent and 78 percent recovery rate of Scheelite; and non -　　Pulsating high gradient magnetic separator compared to the high concentrate grade 99%,　　The recovery rate was only 09 percent By the Central South University and aldehyde hills　　Municipal Science and Technology Development Center, developed in cooperation CL Kazunori 500mm　　Vibration cycle high gradient magnetic separator''〔 "to fill China's high　　Ridge soil HGMS It's tank tracks and well-differentiated　　Do not for 500mm and 300mm, the magnetic field up to ZT, power consumption　　About 220kw, handling about Zt / Industrial tests showed that　　It's exciting and good cooling performance, can effectively remove high　　Ridge soil micro-paramagnetic iron particles, a significant increase in high -　　Ridge soil and into a white porcelain, can produce better economic and social　　E　　On the high gradient magnetic separation theory, since 1973　　Watson made a number of magnetic particle collector concept 〔25 'have been　　Established a fairly complete theory of magnetic Recently,　　Svoboda, who according to the energy point of view to explore the high gradient　　New theory of magnetic collector 〔26] In his view, the paramagnetic particles in　　High gradient magnetic field and magnetic wire trap with a collision with　　Some of the overall role in a London for the role of van der Waals energy, double -　　Layer energy, with an average energy and shear stress on the particles Zuogong　　And of and derived by medium particle collector wire radius　　(Limited to particle size) and particle magnetization coefficient, strong magnetic field　　Degrees, medium wire magnetization and radius, fluid velocity and density　　Degrees and the viscous coefficient of the 　　4 superconducting magnetic superconducting magnetic separation has been into the large-scale chemical　　Industry application Eriez Magnetic company, following the United States in 1986　　Will be re-25 leaves, a diameter of 2134mm Tank superconducting magnetic separator　　J M Huber Corporation for kaolin processing plant purification of high -　　Ling soil after less than a year, the same company also ordered a　　Re-250t, the diameter of 3048 blade n Magic a similar superconducting high gradient　　Separator 〔Sichuan, when the aircraft is being created, he ordered　　Third such equipment, according to plan was the first quarter of 1990　　Degrees installation This is the world's largest superconducting magnetic separation　　Machines, superconducting magnet with a Nb叭Wirewound system, liquid helium cooling　　To a 269 ℃, only the beginning of each cycle supply excitation　　Current, in 60 seconds, zero magnetic field can be increased to ZT, Ran　　After having been able to maintain foreign to ZT magnetic field, weeks at the end of clearance　　Closed, the magnets' return 'of power is about to start when the' through to '　　Half The cost of superconducting magnetic than ordinary high gradient magnetic　　Slightly more elections, the second piece of equipment production costs than the first　　Taiwan slightly Germany KHD Humboldt has韦达格　　Will be a superconducting Descos sold Drum Separator Turkey　　Its 〔:'3, used to a weak magnetic serpentine gangue and magnesium　　Mineral separation, ore particle size of 100 ~ 4 magic n , Containing about 5102　　20%, FeZ034 intestines, including stem-election once was 510:5　　% And Fe: O, 3% of magnesite concentrate Aircraft　　Specifications for the price 120OmmxI500mm, the magnetic field up to 2　　T, the handling capacity of 10 belly / h, power consumption is about skw h / t,　　Is one of the world's first for the coarse-grained superconducting magnetic separation　　M Now expect the 'high temperature' superconductors to develop third-generation super -　　Magnetic sorting machine "'　　2 electric election　　Kelly and Spottiswood three papers with a comprehensive　　Review of the theory of The first review of the basis of principle,　　Including electrostatics; particle characteristics, namely, particle conductivity　　(Band theory, electron capture and other forms of electrical conductivity),　　The surface of semiconductor electronics in nature: particles or metal contacts　　The equivalent circuit, fluid particle The second assessment　　Describes the measurement of electrical particles and particle charge Xinhua　　Electric field measurement, including measurement, Dutch power measurement, contact charge　　Cumulative volume measurement and conductivity Dutch electrical particles rationale package　　Including corona charging, induction charging, Friction charge, charge rate,　　Coehn The third review of the practice of electrostatic beneficiation,　　Including electrostatic concentrator theoretical analysis (stress analysis), Static　　Xinhua concentrator analysis of the experience, equipment parameters, sorting circuit,　　Three papers related to the literature Xinhua election on I: Arts and　　There are some theoretical research Additives have been used abroad　　A large amount of friction method charge at KCI and NaCI　　F The Act the use of KCI and NaCI friction charged the difference　　Do not, in the amount of materials in adding So that the mobile　　Layer belt during transport friction charged, and then sorting machine　　KCI in a concentrate, KCI up to 92% concentrate grade, recovery　　Rate of 50% AL Shalom and others discussed the non-all　　Uniform electric field separation of the exchange of technology for liquid and gas media article　　Pieces under the sorting mechanism "in Sichuan, the establishment of electric field strength, the Netherlands　　Electricity and Coulomb force and the ratio of inertial force of 　　Dressing to make a useful component enrichment, reducing smelting or other processing of fuel, transport and so on consumption, so that the poor low-grade ore will be economic Beneficiation test of the data is the deposit rating and the main basis for plant 　　From the gangue minerals are sometimes separated from other selected metal minerals or other valuable minerals machining