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JP2000279832A |
To well keep a particle shape of crushed matter while reducing the amt. of a fine powder of crushed matter. A vertical crusher 1 is equipped with a turntable 3 rotated around a perpendicular axis T and a plurality of crushing rollers 4 a...
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JP3096077B2 |
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JP2000271503A |
To control vibration during pulverizing a raw material in a tolerable range, make stable operation always possible, and efficiently produce a crushed product by specifying the number of revolutions of a rotary table in a crusher which cr...
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JP2000512551A |
A grinding apparatus for forward feeding material in a drum in which the grinding apparatus has a circular grinding track therein. The drum is driven in rotation at a speed such that material therein is held on the circular grinding trac...
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JP3091265B2 |
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JP2000254534A |
To enhance the biting-in rate of an object to be crushed between a grinding table and a grinding roller. In a vertical mill, a plurality of grinding rollers 4 are pressed to the upper surface of a rotary grinding table 3 in a freely rota...
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JP2000254535A |
To provide a kneading grinder capable of developing excellent grinding capacity and dispersing capacity even with respect to a highly viscous material to be treated. An inner cylinder 10 having opening parts piercing therethrough between...
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JP3089243B1 |
[wrap up] [Task] Provided is a cement clinker crusher capable of adjusting the particle size distribution of a cement product and improving the crushing efficiency without enlarging the structure. The crushed product of the cement clinke...
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JP2000246126A |
To provide a maintenance monitor for a roller mill by which monitor stress and variations in stress are estimated without installing a new load meter and based on the estimated results, the roller mill can be suitably maintained under co...
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JP3085495B2 |
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JP3086248B2 |
Apparatus for dispersion of solids in liquids including two relatively movable elements arranged so as to define a dispersing volume therebetween, a multiplicity of separate generally cylindrical dispersing elements disposed within the d...
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JP2000237626A |
To provide an ultra fine powder of 25,000 Blaine value or higher by a vertical mill. This sieving apparatus bits and mills an object matter (a) to be milled between a milling table 3 and a milling roller 4 and sieves the milled matter (b...
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JP3081427B2 |
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JP3074258B2 |
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JP3074656B2 |
PURPOSE: To provide a pulverizing apparatus whose running power cost is low and which operates stably and continuously. CONSTITUTION: In a pulverizing apparatus comprising a raw material hopper 100, a belt feeder 200, a vertical pulveriz...
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JP3067812B2 |
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JP3067848B2 |
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JP2000197878A |
To finely divide a particulate material to which a pollutant such as polluted soil or incineration ash is adhered and to efficiently separate the pollutant to remove the same. A finely grinding means 1 allowing compressing force and mutu...
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JP3066390B2 |
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JP3060212B2 |
The invention relates to the drying and grinding of moist feed material in a vertical roll mill, in which the moist feed material is delivered to a grinding table (7) by way of a fresh material inlet, comminuted material is conveyed into...
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JP2000167425A |
To improve production efficiency, to decrease pressure loss, to perform flow velocity classification, and to reduce the amount of spillage.A roller 13 is provided, freely rotatably supported and arranged so that it receives rotational fo...
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JP2000157883A |
To provide a crusher excellent in crushing ratio and crushing efficiency, low in operation cost with a small drive force required for operation and realizing low vibration and low noise.A plurality of rollers 14 turnable along an inner c...
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JP2000157882A |
To provide a roller mill and its operation method capable of suppressing vibration efficiently.The feature of this apparatus is as follows: a nozzle 3 spraying water on the crushed material and a vibrometer 8 detecting the vibration of t...
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JP2000157889A |
To surely grasp load conditions of a mill and perform a stable operation without extracting part of used coal.A controller 17 for obtaining mill differential pressure standard deviations 11 of mill differential pressures 6 and mill diffe...
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JP3048617B2 |
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JP2000140676A |
To easily and surely crush excavated material by using a simple crusher. Inside a vertical cylindrical body 2 provided successively to the lower part of a hopper 1, an upper material bearing plate 4 having a crushed material passing open...
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JP2000140680A |
To enable suitably regulating the minimum air flow rate of primary air according to pulverizing property of coal fed into a pulverized coal mill. This controller is provided with: a fed coal quantity detector 17 attached to a coal feeder...
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JP2000140662A |
To blowing off an air flow to a raw material powder bed on a turntable to restrain self-exciting vibration with respect to a roller mill for pulverizing solid raw material. In a roller mill, to a powder bed in a pulverizing part provided...
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JP2000140663A |
To provide a water spray or air blow device for restraining vibration of pulverizing rollers in a roller mill for pulverizing solid fuel or solid raw material. A roller mill is provided with plural pulverizing rollers 5 and a turntable 3...
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JP2000140679A |
To prevent capacity of a pulverized coal mill from being deteriorated by avoiding unnecessary water injection when a lot of treating water contents are stuck to the surface of coal in a coal bunker and preventing excess water contents fr...
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JP2000135446A |
To attain efficient and stable operation even with the increase of the degree of pulverization by simultaneously suppressing the vibrations of at least 2 vibration bands of the vibration of low-frequency band and the vibration of high fr...
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JP2000126632A |
To minimize torque of a rotary driving motor for pulverizing rollers and to make vibration acceleration due to vibration of the pulverizing rollers an allowable level or less. In a roller mill provided with a freely rotatable pulverizing...
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JP2000126631A |
To make severe self-exciting vibration generated on crushing absorbed and reduced in a roller crusher. In a roller crusher having a crushing ring 8 freely rotatably supported, a plurality of crushing rollers 7 arranged along the rotation...
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JP3036669B2 |
PURPOSE: To provide crushing equipment for precrushing and finish-crushing a raw material such as cement clinker and blast-furnace slag difficult to crush in two stages reduced in abnormal vibration and provided with a precrusher having ...
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JP3032489B2 |
To provide a crushing hollow ball formed on a hollow ceramic core and to furnish its casting method. A metallic hollow ball 10 is cast around a hollow ceramic core 12 not generating gas in the casting stage. The core 12 is held in the ce...
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JP2000102740A |
To suppress the slip phenomenon of a mill roller by deciding an open timing signal of a water feed quantity control valve and a purge air flow rate control valve corresponding to a coal feed quantity directive signal and deciding a water...
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JP2000102742A |
To increase the friction coefficient between the fine powder and mill roller in a milling part to suppress the slipping of the mill roller and to stably operate a mill by keeping the dryness of the pulverized coal in the milling part con...
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JP2000093820A |
To provide a vertical roller mill in which sufficient blow-up flow velocity can be secured even when the amount of hot air flowing into a vessel is reduced.In a vertical roller mill 1 in which a raw material 3 fed through a feeding pipe ...
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JP3017734B1 |
[wrap up] [Task] The position of the rollers of the vertical roller mill can be adjusted easily and in a short time. The connecting rod 37 connected to the roller 28 by the flange joint 44 and the piston rod 36 of the hydraulic cylinder ...
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JP3017449B2 |
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JP3011313B2 |
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JP3011312B2 |
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JP2000042439A |
To provide a vertical roller mill which can control the mixing of coarse powder of plus 100 mesh surely under operation conditions for producing dust coal of a relatively low fine powder content such as 70-80% passable 200 mesh. A cyclon...
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JP3007864B2 |
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JP2000024531A |
To provide a roller lubricant sampling device capable of sampling and replacing the lubricant of the bearing for a grinding roller without entering a vertical roller mill and stopping the operation of this mill. A roller shaft 2, a pivot...
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JP2000024532A |
To enhance grinding capacity and the suppression of the vibration of a roller in a roller mill for finely grinding a solid raw material by a turntable and a tired-shaped roller. In a roller mill equipped with a tire-shaped grinding rolle...
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JP3001401B2 |
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JP2000005615A |
To surely discharge remaining coal after an emergency stop of a mill and lower installation cost required for treatment of the remaining coal. After an emergency stop of a mill a pulverizer table 16 is rotated at a speed lower than that ...
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JP2000005616A |
To effectively remove a sharp part of a particle. The title device comprises a circular cylindrical outer rotor 30 capable of storing particles therein and being rotated about a center axis, an inner rotor 37 disposed within the outer ro...
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JP2000000480A |
To provide a roller mill in which on its starting and stoppage, a clearance between a roller and a table is sufficiently secured and wear of the roller and the table can be coped with by enabling operating a clearance adjusting means eve...
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