磁选设备外文翻译

附录：译文翻译A magneticOn the progress of magnetic separation equipment, has a number of special assessment State here only in respect to the magnetic collection and information onthe Comprehensive Review.1.1 Magnetic Separation progress is characterized by low intensity magnetic separation, using High-performance titanium iron boron permanent magnet cylinder manufacture higher magnetic field strengthSorting machine, drum magnetic separator and pre-selection of large chunks of magnetite Stone, help to improve the development of a weak magnetic separator concentrate grade. Chin-Fe-B permanent magnets (Nd: Fel knife) the maximum energy product can be Up 3.18X10 (T · A / m), drilled alloy is about shirt (SmCo.) Maximum energy product (1.59X10 T · A / m) of z-fold , Bank of ferrite (Sro.6Fe20,) maximum energy product (0.326X105T · A / m)10 times. Therefore, the use of Chin-Fe-B system easier to increase the magnetic separator magnetic field strength and performance. For example, Germany with a hinge rod iron boron permanent magnet developed 'Permos'Drum magnetic separator magnetic flux density up to 0.4 ~ 0.5T,Can be used wet or dry separation material selection can also be ideal Used to remove the magnetic intensity magnetic separation to the compound a strong material Quality. British Boxmag - Rapid Rail Ltd reamers Boron permanent magnet developed 'Magnadrum' Drum Separator Magnetic field up to 0.3 ~ 0.4T, for the separation of industrial minerals And the abrasive powder.As examples of such large scale equipment, Following the development of Ma On Shan State Mining Institute CTDG1210-shaped Diameter magnetic machine, then type more developed CTDGIS16 Diameter of the magnetic separator, Fe-B magnetic system with money, flat tube surface Are the magnetic field up to 0.4T, for sorting large magnetite Stone. Anshan Design and Research Institute of Ferrous Metal Mines and Shandong Zhang Iron cooperation Jijiawa developed a price 1400mmx1600mm electromagnetic water-cooled magnetic pulley, the average magnetic field for the cylinder surface 0.24T, capacity up to 200t / h, for the pre- 1 350mm of magnetite rock, 8 months, from 667 000 t of the original Excluding iron ore 11.97% of the 75 000 t of tailings, an increase of Cost 534,200 yuan. In order to improve separation equipment Effect, Emei Mineral Resources Research Institute of the conventional magnetic Improve the magnetic slot machine 〔a re-election,〕, the tank top of the coneShaped to cylindrical, permanent magnet ferrite by the lower part of the Round Tower Upper part of the overall magnetic system to form multi-round lineup of scattered magnetic system,Field distribution for the 12 ~ 0kA / m, and with the concentration of self-Control system can control the sub-constituency pulp density 30%-35%, the device application in the Shougang Iron effect Qian'an Results are: with the improvement process, increased grain sorting Degrees, compared to the previous fine grinding fine screening process, the millCapacity of iron concentrate grade and recovery of the same conditions,27.66% capacity increase. This equipment has been developedFor the price 300,600,1500,1800,2500 mm SeriesProducts. In order to improve the grade, Beijing General Research Mining and MetallurgyInstitutedeveloped a Bk Drum Magnetic Field of a more than Machine River. Machine with 7 lines and downstream magnetic pole open type selectionBox, select box in the middle row up with premium and coarse tailings, Located in the overflow weir to the discharge end and exclusive fine tailings, with the tube to transport Line of magnetic material has always been the role of the reverse flow of clean,Aim to improve the concentrate grade. Machine in Nanfen IronOre Dressing Plant test results show that the price 105Ommx21OOmm semi-counter-type magnetic separator compared to the high concentrate grade2.04%, 10.28% higher separation efficiency, while the magnetic iron back Low yield of only 0.19 intestine.It is noteworthy that the former Soviet Union studied the electrochemical Adjustment process to strengthen the magnetic separation process' River. Research in the laboratory doesDetermined on the refractory ore and oxide ore, the first paragraph of low intensity magnetic separationThe role of the former use of the most promising electrode, concentrate grade can be raised1.1% 1,4%, iron recovery rate of 4.5%, 6.4 %, Low intensity magnetic separation tailings in strong magnetic separation prior to further adjustment, iron Recovery but also improve the l%, 2.4%. Easy selection of the ore, Polarization, the first and second paragraph of the magnetic separation of iron recovery Rate only increased by 0.2%, 2.8% and 0.1% 2Name. It is believed that different results are due ore properties, magnetic Of different strength and mineral composition. But also because the oxygen in oresCompounds of fixed potential value and the exchange current values and restore the cathodeDifferent degree of response current limit.1.2 Strong Magnetic Intensity Magnetic Separation Equipment for limited mainly toPermanent magnet and electromagnetic roller or belt strong magnetic separator. England Limited use of a Rapid BOxmag iron boron permanent magnet hinge system Create a 'Magnaroll' roll magnetic separator ['〕, including roll diameter Reactive power 75mm and 100mm two specifications, one for office Fine and coarse-grained materials management. It to the surface of the magnetic strip throughOften 0.9 ~ 1.0T, and can be produced by the circuit of high gradient, Separation performance than induction roller magnetic separator is superior, the typical application Including the purification of silica sand and feldspar, improve quality and Tao andalusite Fine ceramic materials Iron dry. The former Soviet Union developed a rotating magnetic Field roll magnetic separator also known as electric sorting device. That Machine mainly conveying belt and with the following configuration and with a parallelMagnet roll form. Magnetic roller formed by the three parts of the permanent magnet, the Ministry of permanent magnet poles and the roll axis perpendicular to the law, before and after the magnet Pole body of law and the roll axis to 45angle, forming the same level Three directions of the magnetic surface, roll surface magnetic field is 0.45T. Point Selection principle is the use of non-magnetic conductive particles in the rotating magnetic rollerRotating magnetic field generated by the AC power transformer with non-lead roleElectric machine is used for particle separation from the non-ferrous metal processing residueDebris and waste in the recycling of aluminum, copper and other metal particles, conductive productsProduct purity and recovery up to 94%. My saddle Following the development of Cs Shan Institute of Mining Research of a roller separator Later, theydeveloped type 2 Cs a strong magnetic roller electromagnetic inductionMachine, the roll diameter and effective length of 380mm were smart And 1468mm, double roller parallel configuration, a total of four separation zonesMagnetic field can be adjusted between 0.4 ~ 1.78T, excitation, massWere fixed and air-cooled power 4.23kw, 13xZkw and 0.09 righteousness Zkw. The machine used for sorting in Meishan Iron 12 Zmm red iron ore target of a diamond is the iron ore30.40%, the concentrate grade and recovery were44.05% and 78.75%, single-year cost of equipmentTo 630,000 yuan. And different roller magnetic separator. With ferromagnetic teethWet plate or ball medium intensity magnetic separator as complex and High cost, coupled with the type more, the task still is to promote the development of Applications and improve and perfect. SHP a 2000 type Intensity Magnetic SeparatorIron Ore in Qidashan been applied-type high intensity magnetic separation machine in Gushan iron ore production flow incorporatedProcess, successful 1500 double vertical ring Intensity Magnetic Separator in Kunming Iron and Steel furtherPromote the application has been SHP a 3200-type intensity magnetic separatorThe improvements include magnetic wrap angle from 83 to 70., ExcitationReplaced by the air-cooled oil cooling coil, etc.. Quite mean that, KunMedium level of the tooth plate steel ring magnetic separator and the ball vertical ring magnetic mediaMachines were compared with the same test sample in results tableMing, tooth plate flat ring of iron concentrate grade and recovery wereOf about 4% and 8%, but the vertical ring-type magnetic as reverse flushingMaterial, thus clogging of the screening, across rough, rinse water Pressure and water are not strict, more reliable operation.1.3 Magnetic fields in high gradient magnetic separation, high gradient magnetic Selection of still occupies an important position and has made significant progressDevelopment. Svoboda describes a new type of high gradient magnetic separation machine, this machine uses water-cooled magnetic system short-term cycle, the magnetic field is input power of 110kw, for from South Africa WeitewoteSi Lande Recovery of gold and uranium residues, capacity 30t/h. Before New Kryvyi Rih Soviet Joint Mining Corporation and ferrous metalsMineral Research Institute developed a 600 small magnetic KMSorterKai mounted machine use electromagnetic magnetic system and mesh135 ~ x51 ~ metal mesh plate for separation medium magnetic field intensity is 0.5T, processing capacity of up to 30Ot / h, forIntestinal handling of a fineness of 0.045 Magic 95. Iron oxide stone edge Rock. Copper-rich Zambia, a high gradient magnetic separationTo the attention recently with the background magnetic field 1.3T, sorting cans foot Inch 23mmx32mmx104mm effective volume of 42ml,Filled with 5% or 50 to 10 m high steel wool transverse magnetic field gradientMagnetic devices, thanks to the 5 ~ 38 m of copper concentrate and ore wereStudy at a flow rate of 7cm /s, and cleaning velocity14cm / s under the conditions of the second separation, the former magnetic products Chalcopyrite and bornite content from 72 to 86% call back to Yield 82%; the latter copper magnetic material content of products From 16% . To 44% and recovery of enterovirus 72. At home, High gradient magnetic separation has been the period of industrial applications across people, by the Central PublicIndustry, universities and Ganzhou, Jiangxi Nonferrous Metallurgy Research Institute of Cooperation TheSLON a 1000 vertical ring pulsating high gradient magnetic separator has beenDevelopment SLON a r500 based The diameter of the separation 1ooomm to 150omm, capacity-mail t/h up to 30t / h, and structural improvements, improved performance, the first Taiwan SLON a 1500 magnetic separator installed in 1989, regardless of Iron, treatment sludge, and high intensity magnetic separation of fine tailings and other refractoryMixed material, the original estimated annual cost of 1.06 million, real International reached 1.08 million yuan. Passed technical appraisal in 1990, afterMine has ordered a SLON a 1500 pulse of high benchDegree of magnetic separator. The past two years, also iron ore and copper GongchanglingCopper recorded five were applied with a SLON 1500 vertical ring pulsating high gradient magnetic separator. On the pulse of high bench Degree of magnetic theory has been further. Central Engineering University of the tungsten industry, fine clay Pangushan pulsating high gradient magnetic separation test Experience in research have also received several indicators River: with WO30.74% of theTungsten fine mud at the right time under the conditions of separation were obtained with WO3Volume of 17.90% and 73.78% recovery of tungsten; and nonPulsating high gradient magnetic separation compared to the high concentrate grade 13.99%, Recovery rate was only 1.09% lower. Aldehyde by the Central South University and Mausoleum Municipal Science and Technology Development Center worked together to develop a successful 500mm CL Periodic vibration of high gradient magnetic separator filled the high country High gradient magnetic separation of kaolin blank. The machine can diameter, and high scores Do as the 500mm and 300mm, the magnetic field up to ZT, the power consumptionAbout 220kw, handling is about Zt/ h. Industrial tests showed thatExcitation and the cooling performance of the machine well and can effectively remove highRidge soils paramagnetic iron fine particles, a significant increase in high Ridge soil and into the porcelain whiteness, can produce better economic and social Benefits. On the high gradient magnetic separation theory, since 1973Watson proposed the concept of magnetic particles collector has been Established a fairly complete theory of the magnetic collector. Recently, svoboda other person under the energy perspective of the high gradientNew theory of magnetic collector. He said paramagnetic particles High gradient magnetic field and collide with the ferromagnetic wire trap when The total effect some one in London for the van der Waals interaction energy, double Layer interaction energy, the average magnetic energy and shear stress on the particles for power and are derived by medium particle radius wire collector (Restricted particle size) and the particle susceptibility, magnetic field strengthDegrees, medium wire magnetization and the radius, fluid velocity and density Degrees, and viscosity coefficientof the relationship.1.4 superconducting magnetic superconducting magnetic separation has entered the large chemical Industry Application period. Eriez Magnetic U.S. companies following the 1986 Will beleaves, diameter of 2134mm superconducting magnetic separator tank.J.M.Huber Corporation for kaolin processing plant purification of high.Ridge soil in less than a year, the same company has ordered a Re-250t, blade diameter 3048 of the same type n Magic a superconducting high gradient Separator River, when the machine is the time of manufacture, but alsoordered.The third sets of such equipment, according to plan was the first quarter of 1990.Degree of installation and operation. This is the world's largest superconducting magnetic separation.Machine, a A pair of superconducting magnets wound with Nb system, liquid helium cooling To 1269 ℃, only the beginning of each cycle, the supply of excitation Current, in 60 seconds, zero magnetic field can be increased to ZT, Ran Can be maintained after the ZT without foreign field, off the end of weekClosed, the magnets 'return' of power is about start 'borrow'Power of the half. The cost of superconducting magnetic than ordinary high gradient magneticSelected slightly higher, the second piece of equipment the cost of production surpasses the firstTaiwan slightly higher. Germany KHD .Company Will be a Descos superconducting sold Turkey Drum Separator.The for the weak magnetic serpentine gangue and magnesite Mineral separation, ore particle size of 100 to 4 Magic n Magic. , Containing about 20%, Fe.intestines, once dried may contain election And of the crude magnesite ore. The machine .Specifications for the price 120OmmxI500mm, the magnetic field up to 3.2 of 10 belly capacity, energy consumption is about 1wh/t, Is the world's first for the coarse-grained superconducting magnetic separation Machine. Now expect to use 'high-temperature' superconductors developed third-generation super-Magnetic sorting machine2 power select .Kelly and Spottiswood round with three papers.Review of the electrostatic separation theory. Review the fundamentals first,Including electrostatics; particle characteristics, ie particle conductivity (Band theory, electron capture and other forms of Surface 。