CN103639018B - Adaptive vibration accumulation and energy supply vertical roll grinder - Google PatentsAdaptive vibration accumulation and energy supply vertical roll grinder Download PDF
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- CN103639018B CN103639018B CN201310690949.4A CN201310690949A CN103639018B CN 103639018 B CN103639018 B CN 103639018B CN 201310690949 A CN201310690949 A CN 201310690949A CN 103639018 B CN103639018 B CN 103639018B
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- 238000009825 accumulation Methods 0.000 title claims abstract description 20
- 230000003044 adaptive Effects 0.000 title claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 66
- 239000000843 powder Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000011553 magnetic fluid Substances 0.000 claims abstract description 11
- 230000002706 hydrostatic Effects 0.000 claims description 12
- 239000007788 liquids Substances 0.000 claims description 5
- 210000004907 Glands Anatomy 0.000 claims description 4
- 239000003570 air Substances 0.000 claims 1
- 239000010410 layers Substances 0.000 claims 1
- 239000003921 oils Substances 0.000 claims 1
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005296 abrasive Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
Adaptive vibration accumulation and energy supply high-efficiency vertical roller mill includes Hydraulic Power Transmission System and intelligence control system and frame（1）, transmission device（2）, reducing gear（6）Output end installation millstone device（15）, vane（8）Installed in millstone device（15）Cylindrical and and blast pipe（5）The air inlet duct of UNICOM（7）Place suitable for reading, multiple Burnisher apparatus（10）Pass through lower house（11）On grinding door be arranged on millstone device（15）Top, Burnisher apparatus（10）Outer end installation rocking arm（9）, pressurize oil cylinder（3）With magnetic fluid damping regulator（4）One end respectively with rocking arm（9）Connection, the other end respectively with frame（1）Connection, middle housing（14）Upper end installation powder selection device（12）.The machine have efficiently using extruding can and impact energy, reduce the vibration severity of grinding host device, improve mill efficiency, reduce grinding energy, improve stabilization of equipment performance and service life, the advantages of reducing operating cost.
Adaptive vibration accumulation and energy supply vertical roll grinder, belongs to mine, electric power, the milling equipment of building material cement industry, specifically relates to A kind of and vertical roll grinder.
Vertical roll grinder is compared with ball mill, and low, compact-sized with its mill efficiency height, energy consumption, technology arrangement is convenient, work Skill flow is simple, and floor space is small, and drying capacity is big, it is allowed to which mill feed material size is big, to mill feed material strong adaptability, negative pressure behaviour Make without dust leakage, the series of advantages such as noise is low, increasingly by domestic and international mine, electric power, building materials, cement industry weight Depending on.But because vertical roll grinder is its host device in the application of a variety of industries, its grinding process is all that its is heavy Want link and the features such as large time delay, non-linear, close coupling be present, so being all vertical roll grinder grinding process all the time Emphasis and difficulties in control, this just not only proposes higher requirement to grinding process process control technology, and right The structure design of vertical roll grinder and optimization it is also proposed higher requirement；Application practice proves vertical roll grinder to forming grinding Expect that stability and equipment itself vibration of bed are more sensitive, a large amount of cases illustrate the unstability and vertical roll grinder of powder abrasive bed Itself vibration easily trigger equipment fault, and be difficult in good time security control；Have again be exactly vertical roll grinder powder selection device Grain shape and grading to finished product powder cannot also be controlled effectively, and problems above is vertical roll grinder evolution The middle knotty problem for needing to solve.
The content of the invention
The technical solution adopted for the present invention to solve the technical problems is：Adaptive vibration accumulation and energy supply vertical roll grinder, including Hydraulic Power Transmission System and intelligence control system and frame and rack-mounted transmission device and reducing gear, reducing gear Output end installs millstone device, and lower house is arranged on frame top, vane installed in millstone device it is cylindrical and with blast pipe UNICOM Air inlet duct place suitable for reading, multiple Burnisher apparatus by the grinding door on lower house be arranged on millstone device top, Burnisher apparatus Outer end installation rocking arm, pressurize oil cylinder and magnetic fluid damping regulator one end couple with rocking arm respectively, the other end respectively with machine Frame couples, and the upper end installation powder selection device of middle housing, the middle part of powder selection device is provided with intermediate feed pipe.
Burnisher apparatus is coupled including grinding roller body by dynamic and hydrostatic bearing with shaft of grinding roller leading section, grinding roller body and shaft of grinding roller auger Mounting and adjusting set and thrust dynamic and hydrostatic bearing adjust with gland to dynamic and hydrostatic bearing at end positions, and lining ring is arranged on mill by briquetting On roll body, it is logarithmic spiral curved surface that the outer ring of lining ring, which is provided with wearing layer and surface, and First piston bar is sleeved on shaft of grinding roller, positioning Cylinder barrel is sleeved in First piston bar by guide sleeve, and piston I and piston II are provided between First piston bar and positioning cylinder barrel, Rocking arm is sleeved on positioning cylinder barrel, and multiple grinding rollers form main and auxiliary grinding roller, and physical dimension is identical is staggered, circumferential in mill Edge is run, by adjusting the pressurization protocols of Hydraulic Power Transmission System in loading device, to switch the work functions of main and auxiliary grinding roller Realize that main and auxiliary grinding roller function is exchanged.
Millstone device includes the liner plate that mill and mill upper end are installed, and the curved surface on liner plate is logarithmic spiral curved surface, grinding roller The logarithmic spiral curved surface on lining ring surface is in integrally 30 ° of tapers, is locally multistage convex-concave cambered surface by small end, pair of the lining board for grinding discs The multistage curved surface of number spiral camber, i.e. outer ring are horizontal linear, middle part is in and -5 °~-10 ° inclined-planes of horizontal plane, inner circle For concave arc curved surface, the structure type that liner plate and lining ring match is formed, material is first stirred before high pressure abrasive region is entered Mix, coarse crushing, degassing and pre-compacted, its whole process ensures that material forms grinding stably to carry out step by step automatically from structure Expect bed.
Magnetic fluid damping regulator includes working cylinder, piston, second piston bar, damp channel, magnetic flow liquid, coil. Magnetic fluid damping regulator can detect the vibration parameterses with transmission equipment running status, while it can receive intelligence The instruction of control system, itself damping characteristic is automatically adjusted in good time, prevents equipment from resonating, while can change in good time again Damped coefficient produces the useful suitable characterisitic parameter for tending to critical resonances, to regulate and control powder in vertical roll grinder grinding process Abrasive bed grinds form, and grinding component, which can be realized, tends to resonances pressure grinding, can also realize and tend to anti-communism polarization state pressure grinding, Energy adjust automatically distributing mode, stable powder abrasive bed.
Powder selection device includes housing and the fine powder outlet conduit being arranged on housing, and the middle part of housing is provided with feed pipe, shell The top installation rotor transmission mechanism of body, the end of rotor transmission mechanism couple with rotor, and rotor is circumferentially provided with more group rotors Blade, the wherein interior guide vane for being provided with three-level angle adjustable of housing, the lower end of three-level guide vane and two level guide vane point On support that Zhuan be in housing, upper end is mounted in the top of housing and couples respectively with link rotatable mechanism, one-level guide vane One end be supported in housing, radial support of the other end along housing couples in hull outside and with motor transmission mechanism, multistage Water conservancy diversion and become spacing and become the rotor at inclination angle to realize more fluidised forms adjustable, can be achieved to be precisely controlled to product grain composition and granule-morphology Special grinding process requirement.
Vane includes vane frame and is arranged on the streamline vane on vane frame by vane axle.Vane uses low speed thin wing Type structure, mill inner ventilation resistance can be reduced, reduce mill inner ventilation energy consumption.
Compared with prior art, beneficial effect possessed by the adaptive vibration accumulation and energy supply vertical roll grinder of the present invention is：
1. the machine has according to by the particle distribution range and particle of the Wuli-Shili-Renli system approach of grinding material and finished product requirement Pattern, takes different powder abrasive beds to grind form automatically according to vibration characteristics caused by grinding, and grinding component can be realized Tend to resonances pressure grinding, can also realize and tend to anti-communism polarization state pressure grinding, energy adjust automatically distributing mode, stable grinding material Bed, absorption simultaneously utilize the vibratory impulse energy during grinding process, efficiently utilize extruding energy and impact energy, reduction grinding main frame The vibration severity of equipment, mill efficiency is improved, reduce grinding energy, collided when evading high vibration between grinding component Risk, stabilization of equipment performance and service life are improved, reduce operating cost.
2. vane uses low speed thin airfoil, blade uses streamlined structure, can reduce mill inner ventilation resistance, reduces in mill and leads to Wind energy consumes.
3. select powder technology using more fluidised form adjustable high-efficiencies, it can be achieved to be precisely controlled to product grain composition and granule-morphology Special grinding process requirement.
Brief description of the drawings
Fig. 1 is adaptive vibration accumulation and energy supply vertical roll grinder of the invention（Central feed tube）Structural representation.
Fig. 2 is adaptive vibration accumulation and energy supply vertical roll grinder of the invention（Side feed pipe）Structural representation.
Fig. 3 is the millstone device of adaptive vibration accumulation and energy supply vertical roll grinder of the invention and the structural representation of reducing gear.
Fig. 4 is the structural representation of the Burnisher apparatus of adaptive vibration accumulation and energy supply vertical roll grinder of the invention.
Fig. 5 is the structural representation of the magnetic fluid damping regulator of adaptive vibration accumulation and energy supply vertical roll grinder of the invention.
Fig. 6 is the structural representation of the powder selection device of adaptive vibration accumulation and energy supply vertical roll grinder of the invention.
Fig. 7 a are the structural representations of the vane of adaptive vibration accumulation and energy supply vertical roll grinder of the invention；
Fig. 7 b are Fig. 7 a A to mplifying structure schematic diagram.
Wherein：1 frame, 2 transmission devices, 3 pressurization oil cylinders, 4 magnetic fluid damping regulators, 5 blast pipes, 6 reducing gears, Housing, 15 mills in 7 air inlet ducts, 8 vanes, 9 rocking arms, 10 Burnisher apparatus, 11 lower houses, 12 powder selection devices, 13 intermediate feed pipes, 14 Disk device, 16 logarithmic spiral curved surfaces, 17 liner plates, 18 mills, 19 dynamic and hydrostatic bearings, 20 ring gears, 21 bodies, 22 little gears I, 23 Gear wheel, 24 axles, 25 little gears II, 26 input shafts, 27 bearings, 28 bearings, 29 glands, 30 rollers mill axle, 31 dynamic and hydrostatic bearings, 32 Grinding roller body, 33 trim rings, 34 lining rings, 35 logarithmic spiral curved surfaces, 36 adjusting sleeves, 37 thrust dynamic and hydrostatic bearings, 38 guide sleeves, 39 pistons Ith, 40 pistons II, 41 positioning cylinder barrel, 42 First piston bars, 43 working cylinders, 44 damp channels, 45 magnetic flow liquids, 46 coils, 47 are lived Plug, 48 second piston bars, 49 taper tremie pipes, 50 housings, 51 motor transmission mechanisms, 52 one-level guide vanes, 53 two level water conservancy diversion Blade, 54 three-level guide vanes, 55 link rotatable mechanisms, 56 rotor blades, 57 rotors, 58 fine powder outlet conduits, 59 feed pipes, 60 rotor transmission mechanisms, 61 vane framves, 62 blades, 63 vane axles.
Fig. 1 ~ Fig. 7 b are the most preferred embodiments of adaptive vibration accumulation and energy supply vertical roll grinder of the invention, below in conjunction with the accompanying drawings 1 ~ figure The present invention will be further described by 7b.
Reference picture 1：Adaptive vibration accumulation and energy supply vertical roll grinder includes Hydraulic Power Transmission System and intelligence control system and frame 1 With the transmission device 2 and reducing gear 6 in frame 1, the output end installation millstone device 15 of reducing gear 6, lower house 11 are arranged on the top of frame 1, and it is cylindrical and suitable for reading with the air inlet duct 7 of the UNICOM of blast pipe 5 that vane 8 is arranged on millstone device 15 Place, multiple Burnisher apparatus 10 are arranged on the top of millstone device 15, the outer end of Burnisher apparatus 10 by the grinding door on lower house 11 Rocking arm 9 is installed, pressurize oil cylinder 3 and the one end of magnetic fluid damping regulator 4 couple with rocking arm 9 respectively, the other end respectively with frame 1 Connection, the upper end installation powder selection device 12 of middle housing 14, the middle part of powder selection device 12 is provided with intermediate feed pipe 13.
The Burnisher apparatus 10 of reference picture 4 is coupled including grinding roller body 32 by dynamic and hydrostatic bearing 31 with the leading section of shaft of grinding roller 30, mill Roll body 32 is with mounting and adjusting set 36 at the large awl end of shaft of grinding roller 30 and thrust dynamic and hydrostatic bearing 37 with gland 29 to dynamic and hydrostatic bearing 31 Adjustment positioning, lining ring 34 are arranged on grinding roller body 32 by trim ring 33, and it is logarithm that the outer ring of lining ring 34, which is provided with wearing layer and surface, Spiral camber 35, First piston bar 42 are sleeved on shaft of grinding roller 30, and positioning cylinder barrel 41 is sleeved on first piston by guide sleeve 38 On bar 42, piston I 39 and piston II 40 are provided between First piston bar 42 and positioning cylinder barrel 41, rocking arm 9 is sleeved on positional cylinder On cylinder 41.
The liner plate 17 that the millstone device 15 of reference picture 3 includes mill 18 and the upper end of mill 18 is installed, the curved surface of liner plate 17 is pair Number spiral camber 16, to reduce the height of mill 18, improves the stability of mill 18, and reducing gear 6 is installed in the bottom of mill 18 Including ring gear 20, coupled by dynamic and hydrostatic bearing 19 with the dynamic cooperation of body 21, input shaft 26 is supported on body by bearing 27 In 21, input shaft 26 fills little gear II 25 by key, and the upper and lower end of axle 24 is supported in body 21 by bearing 28, axle 24 Bottom dress gear wheel 23 engages with little gear II 25, and the ring gear 20 of little gear I 22 on the top of axle 24 engages.
The magnetic fluid damping regulator 4 of reference picture 5 includes working cylinder 43, piston 47, second piston bar 48, damp channel 44th, magnetic flow liquid 45, coil 46.
The powder selection device 12 of reference picture 6 includes housing 50 and the fine powder outlet conduit 58 being arranged on housing 50, housing 50 Middle part is provided with feed pipe 59, the top installation rotor transmission mechanism 60 of housing 50, the end of rotor transmission mechanism 60 and rotor 57 Connect, rotor 57 is circumferentially provided with multigroup rotor blade 56, and the guide vane of three-level angle adjustable, wherein three-level are provided with housing 50 The lower end of guide vane 54 and two level guide vane 53 is attached separately on the support in housing 50, and upper end is mounted in the top of housing 50 End, and couples with link rotatable mechanism 55 respectively, and one end of one-level guide vane 52 is supported in housing 50, and the other end is along housing 50 are radially supported on the outside of housing 50, and couple with motor transmission mechanism 51.
Reference picture 7a and Fig. 7 b, vane 8 include vane frame 61 and are arranged on the streamline on vane frame 61 by vane axle 63 Type blade 62.
Operation principle is as follows with the course of work：
When adaptive vibration accumulation and energy supply vertical roll grinder starts, Hydraulic Power Transmission System control grinding roller lifts, and transmission device passes through Reducing gear drives millstone device to rotate, and now, is sprinkled into mill center by intermediate feed pipe by grinding material, grinding roller passes through liquid Pressure transmission system control is fallen, and starts grinding material, the logarithmic spiral curved surface of roller surface is in integrally 30 ° of tapers, and lean on small end Local multistage convex-concave cambered surface, the multistage curved surface of the logarithmic spiral curved surface of mill, i.e. outer ring are horizontal linear, and middle part is in and level - 5 ° ~ -10 ° inclined-planes are tilted, inner circle is concave arc curved surface, the mechanism that liner plate and lining ring match, and makes material into high pressure abrasive Before region, be first stirred, coarse crushing, degassing and pre-compacted, to carry out step by step automatically, multiple grinding rollers form main and auxiliary whole process Grinding roller, the work work(of main and auxiliary grinding roller can be switched by adjusting the pressurization protocols of Hydraulic Power Transmission System in loading device in operation Can, realize the function adjustment of main and auxiliary grinding roller.When grinding roller coordinates mill grinding material, magnetic fluid damping regulator can be examined The vibration parameterses with transmission equipment running status are surveyed, itself damping characteristic of in good time adjust automatically, avoid equipment from occurring violent Resonance, while damped coefficient can be changed again and be allowed to produce the useful suitable characterisitic parameter for tending to critical resonances to improve Grinding efficiency.Dried again after vane is scattered into the hot blast in grinding machine by the fine powder of grinding by introducing air inlet duct by blast pipe It is dry, and the wind extracted out by fine powder outlet conduit, make to form negative pressure in mill, pass through three-level water conservancy diversion leaf with by the fine powder of grinding Piece and rotor repeatedly select powder, and to control finished particle grading and granule-morphology, satisfactory fine powder is taken out with the negative pressure in mill Go out fine powder outlet conduit, do not reach the particle of requirement, being returned to mill again by the effect of gravity carries out grinding again.
It is described above, only it is highly preferred embodiment of the present invention, is not the limit of other forms made for the present invention System, any person skilled in the art are changed or are modified as equivalent variations possibly also with the technology contents of the disclosure above Equivalent embodiment, such as：The adaptive vibration accumulation and energy supply vertical roll grinder of the present invention shown in Fig. 2（Side feed pipe）Structural representation Figure, it is exactly on the basis of the present invention, side charging is changed to by intermediate feed.
1. adaptive vibration accumulation and energy supply vertical roll grinder, including Hydraulic Power Transmission System, intelligence control system, frame（1）With installed in Transmission device in frame（2）And reducing gear（6）, the output end installation millstone device of reducing gear（15）, lower house（11） Installed in the top of frame, vane（8）Installed in millstone device is cylindrical and and blast pipe（5）The air inlet duct of UNICOM（7）It is suitable for reading Place, multiple Burnisher apparatus（10）The top of millstone device, the outer end installation of Burnisher apparatus are arranged on by the grinding door on lower house Rocking arm（9）, pressurize oil cylinder（3）With magnetic fluid damping regulator（4）One end couples with rocking arm respectively, the other end respectively with frame Connection, middle housing（14）Upper end installation powder selection device（12）, the middle part of powder selection device is provided with intermediate feed pipe（13）, its feature It is：The Burnisher apparatus includes grinding roller body（32）, grinding roller body passes through dynamic and hydrostatic bearing（31）With shaft of grinding roller（30）Leading section joins Connect, grinding roller body and mounting and adjusting set at shaft of grinding roller large awl end（36）With thrust dynamic and hydrostatic bearing（37）With gland（29）, to sound Last item is held（31）Adjustment positioning；Lining ring（34）Pass through trim ring（33）On grinding roller body, the outer ring of lining ring be provided with wearing layer and Surface is logarithmic spiral curved surface（35）, First piston bar（42）It is sleeved on shaft of grinding roller（30）On, position cylinder barrel（41）Pass through guiding Set（38）It is sleeved in First piston bar, piston I is provided between First piston bar and positioning cylinder barrel（39）With piston II（40）, Rocking arm is sleeved on positioning cylinder barrel；Millstone device（15）Including mill（18）With the liner plate of mill upper end installation（17）, liner plate Curved surface is logarithmic spiral curved surface（16）；
The logarithmic spiral curved surface of the liner plate is multistage curved surface, i.e. outer ring is horizontal linear, middle part be in -5 ° of horizontal tilt ~ - 10 ° of inclined-planes, inner circle is concave arc curved surface, and the logarithmic spiral curved surface of the lining ring is in integrally 30 ° of tapers, and local by small end is more Section convex-concave cambered surface, liner plate and lining ring form the mechanism to match.
2. adaptive vibration accumulation and energy supply vertical roll grinder according to claim 1, it is characterised in that：Powder selection device（12）Including Housing（50）With the fine powder outlet conduit being arranged on housing（58）, the middle part of housing is provided with feed pipe（59）, the top of housing Rotor transmission mechanism is installed（60）, rotor transmission mechanism end and rotor（57）Connection, rotor are circumferentially provided with more group rotor leaves Piece（56）, the interior guide vane for being provided with three-level angle adjustable of housing, wherein three-level guide vane（54）With two level guide vane （53）Lower end be attached separately on the support in housing, upper end be mounted in housing top, and respectively with link rotatable mechanism（55） Connection, one-level guide vane（52）One end be supported in housing, be radially supported on hull outside of the other end along housing, and with Motor transmission mechanism（51）Connection；Magnetic fluid damping regulator（4）Including working cylinder（43）, piston（47）, second piston bar （48）, damp channel（44）, magnetic flow liquid（45）, coil（46）.
3. adaptive vibration accumulation and energy supply vertical roll grinder according to claim 2, it is characterised in that：Vane（8）Including vane Frame（61）With pass through vane axle（63）Streamline vane on vane frame（62）, vane uses low speed thin airfoil structure.
Priority Applications (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201310690949.4A CN103639018B (en)||2013-12-17||2013-12-17||Adaptive vibration accumulation and energy supply vertical roll grinder|
Applications Claiming Priority (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201310690949.4A CN103639018B (en)||2013-12-17||2013-12-17||Adaptive vibration accumulation and energy supply vertical roll grinder|
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|CN103639018A CN103639018A (en)||2014-03-19|
|CN103639018B true CN103639018B (en)||2017-11-10|
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|CN201310690949.4A Active CN103639018B (en)||2013-12-17||2013-12-17||Adaptive vibration accumulation and energy supply vertical roll grinder|
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|CN (1)||CN103639018B (en)|
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|CN104907128B (en) *||2015-06-18||2017-07-04||温传岳||A kind of disintegrator and its comminution method|
|CN105170244A (en) *||2015-09-02||2015-12-23||江苏富勒水泵系统有限公司||Superfine powder-separation vertical roller mill|
|US10493462B2 (en) *||2016-06-21||2019-12-03||General Electric Technology Gmbh||System, method and apparatus for upgrading a pulverizer|
|CN106000615A (en) *||2016-06-30||2016-10-12||湖州丰盛新材料有限公司||Hot air circulation powder selecting device with adjustable wind speed|
|CN105944821A (en) *||2016-06-30||2016-09-21||湖州丰盛新材料有限公司||Device for adjusting air speed of air inlet of roller mill|
|CN105964343B (en) *||2016-06-30||2018-11-09||湖州丰盛新材料有限公司||A kind of hot air circulation powder selection device of the adjustable back-blowing sealing of wind speed|
|CN106000549B (en) *||2016-06-30||2019-01-01||湖州丰盛新材料有限公司||A kind of adjustable roll mill apparatus with back-blowing sealing structure of wind speed|
|CN106522005A (en) *||2016-12-08||2017-03-22||中国宣纸股份有限公司||Material grinding device for paper pulp material|
|CN109092446B (en) *||2018-08-20||2020-05-05||安徽国宏合金材料有限公司||Vertical grinding disc applied to building engineering for manufacturing cement powder|
|CN110801909A (en) *||2019-11-14||2020-02-18||中材（天津）粉体技术装备有限公司||Vertical roller grinding method for grinding dry powdery material|
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|SU1037951A1 (en) *||1982-03-10||1983-08-30||Всесоюзный Научно-Исследовательский Институт По Машинам Для Промышленности Строительных Материалов||Runners for disintegrating ceramic masses|
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|CN102008987A (en) *||2010-10-27||2011-04-13||溧阳中材重型机器有限公司||Vertical mill with vibration damping hydraulic cylinder|
|JP2013066859A (en) *||2011-09-22||2013-04-18||Mitsubishi Heavy Ind Ltd||Vertical mill|
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