英文的选矿论文 200分有追加找一篇英文的关于选矿的论文 内容不限 5000单词以上

英文的选矿论文 200分有追加找一篇英文的关于选矿的论文 内容不限 5000单词以上
英文的选矿论文 200分有追加
找一篇英文的关于选矿的论文 内容不限 5000单词以上

英文的选矿论文 200分有追加找一篇英文的关于选矿的论文 内容不限 5000单词以上
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 process. 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 comments.
　　1.1 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 separator.
　　Chin iron boron magnets (Nd: Fel knife) is the largest energy product can be
　　Tatsu 3.18X10 "(T A / m), about drilling alloy shirt
　　(SmCo.) Maximum energy product (1.59X10 "T A / m) of
　　z-fold [51, silver ferrite (Sro.6Fe20,) the largest energy product
　　(0.326X105T A / m) 10 times. Therefore, the use of
　　Chin-Fe-B Magnetic Separator line easy to raise the field strength and performance.
　　Germany, for example, with hinge rod iron boron permanent magnet developed 'Permos'
　　Drum magnetic separator magnetic induction of up to 0.4 ~ 0.5T,
　　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 0.3 ~ 0.4T, 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 0.4T, for sorting large magnetite
　　Shek. 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
　　0.24T, 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 11.97% of the 75,000 t tailings, a total increase
　　Economic benefits of 534,200 yuan. 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 27.66%. This equipment has been developed
　　For the price 300,600,1500,1800,2500 mm Series
　　Products. 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 machine. 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 grade. 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
　　2.04 percent, sorting efficiency 10.28%, while the magnetic iron back
　　Low yield of only 0.19 intestine.
　　It is worth noting that the former Soviet Union to study electrochemical
　　Law regulating the process of strengthening the magnetic 'Kawasaki. 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% ~ 1,4%, iron recovery rate of 4.5 percent raise, 6.4
　　%, Weak magnetic separation tailings in strong magnetic regulated before, iron
　　And improve the recovery rate of l%, 2.4%. Easy selection of ore,
　　Polarization effect, the first and the second paragraph of the magnetic iron recovery
　　Rates were increased by only 0.2%, 2.8% and 0.1% ~ 2
　　Called. It is believed that the effect is due to the different nature of the ore, magnetic
　　Of different intensity and mineral composition. 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 degrees.
　　1.2 Strong magnetic strong magnetic equipment were limited mainly to
　　Permanent magnet and electromagnetic roller or belt strong magnetic separator. Britain
　　Rapid Ltd. 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 materials. It is expected to pass an area of the magnetic field
　　Often for the 0.9 ~ 1.0T, 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 iron. The former Soviet Union developed a rotating magnetic
　　Field Separator roller 〔 ', also known as electric sorting device. The
　　Main loser is expected by the belt and with the following configuration and with parallel
　　Constitute a permanent magnet roll. 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 0.45T. 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 percent. 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 0.4 ~ 1.78T regulation, excitation, Chuan
　　Actin and were air-cooled power 4.23kw, 13xZkw and
　　0.09 justice Zkw. The aircraft used in Meishan Iron sorting 12 ~
　　Chek Ling ZMM one of the indicators of iron ore is iron ore
　　30.40%, the concentrate grade and recoveries were
　　44.05% and 78.75%, a single-year cost-effective equipment
　　For 630,000 yuan. With different roller magnetic separator. 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 perfect. 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 70., Magnetizing
　　Coil replaced by the air-cooled, such as oil-cooling. 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 operation.
　　1.3 HGMS in the magnetic field of high gradient magnetic
　　Study of the election is still occupies an important position, and made significant Jin
　　Exhibition. 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
　　1.ZT, input power 110kw, from South Africa University of the
　　Witwatersrand gold and uranium tailings recovery, capacity 30t / h. 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 0.5T, processing capacity of up to 30Ot / h, for
　　Enterovirus 95 to deal with a fineness of 0.045 magic. N edge of the iron oxide stone
　　Rock. Copper-rich Zambia's high gradient magnetic separator to
　　To the attention recently with the background magnetic field 1.3T, 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 enterovirus. 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 1.06 million yuan'''',
　　Inter reached 1.08 million yuan. Passed technical appraisal in 1990 after
　　The mine has ordered a 1500-type SLON a pulsating high ladder
　　Separator degrees. 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 separator. 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 WO30.74%
　　Tungsten fine mud at the right time under the conditions of separation, to be with WO3
　　Volume of 17.90 percent and 73.78 percent recovery rate of Scheelite; and non -
　　Pulsating high gradient magnetic separator compared to the high concentrate grade 13.99%,
　　The recovery rate was only 1.09 percent lower. 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 blank. 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 / h. 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
　　Effectiveness.
　　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 collector. 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 relationship.
　　1.4 superconducting magnetic superconducting magnetic separation has been into the large-scale chemical
　　Industry application period. 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 operation. 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 power. 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 more. 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 magic. , Containing about 5102
　　20%, FeZ034 intestines, including stem-election once was 510:1.5
　　% And Fe: O, 0.3% of magnesite concentrate rough. Aircraft
　　Specifications for the price 120OmmxI500mm, the magnetic field up to 3.2
　　T, the handling capacity of 10 belly / h, power consumption is about 1.skw h / t,
　　Is one of the world's first for the coarse-grained superconducting magnetic separation
　　Machine. Now expect the 'high temperature' superconductors to develop third-generation super -
　　Magnetic sorting machine "'91.
　　2 electric election
　　Kelly and Spottiswood three papers with a comprehensive
　　Review of the theory of separation. 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 motion. The second assessment
　　Describes the measurement of electrical particles and particle charge mechanism. Xinhua
　　Electric field measurement, including measurement, Dutch power measurement, contact charge
　　Cumulative volume measurement and conductivity measurement. Dutch electrical particles rationale package
　　Including corona charging, induction charging, friction charge, charge rate,
　　Coehn law. 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 95. Xinhua election on I:. Arts and
　　There are some theoretical research reports. Additives have been used abroad
　　A large amount of friction method charge at KCI and NaCI
　　From. The Act the use of KCI and NaCI friction charged the difference
　　Do not, in the amount of materials in adding additives. 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%.