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JP2001232226A |
To enhance the quality of a product by preventing the mixing of a coarse powder into a fine powder being the product.In a vertical mill 1 equipped with a classifying rotary body 9 having classifying blades 16 in order to classify a powde...
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JP2001232225A |
To enhance the quality of a product by preventing the mixing of a coarse powder with a fine powder being the product.In a vertical mill 1 equipped with a classifying rotary body 9 having classifying blades 16 in order to classify a powde...
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JP2001512362A |
The invention concerns an insert (10) globally shaped like the segment of a ring or a closed ring and comprising an external zone (12) and an internal zone (14) the thickness of which is less than that of the external zone (12) and havin...
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JP2001224973A |
To provide a vertical type pulverizing machine for manufacturing crushed sand which efficiently manufacture the crushed sand for aggregate of particle shapes having roundness removed of corners approximate to the shapes of natural sand a...
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JP2001225016A |
To provide an apparatus for discharging pyrite which can reduce the frequency of work for discharging pyrite outside by an operator to reduce a load on the operator by preventing the accumulation of pyrite on a selecting lattice.The sele...
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JP2001224972A |
To provide a mill purging method and device which are capable of executing optimum purging without excess and deficiency at all times even with coal varying in pulverizability and are capable of averting adverse influences to a mill itse...
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JP3200408B2 |
To detect abnormal temperature of a rotary part revolving around a rotating shaft in a casing in a grinding mill. In this grinding mill, a vertical rotating shaft 11 is installed in a mill casing 10, and a grinding roller 13 is fitted fr...
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JP3182492B2 |
PURPOSE: To reduce the weight of a turntable in a vertical mill and to make the entire device small-sized by placing a means for rolling-down and energizing a crushing roller. CONSTITUTION: A turntable body 30 is formed with a turntable ...
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JP3174106B2 |
PURPOSE: To perform an operation of a commercial roller mill with restricted vibration by checking the characteristics of a raw material to be pulverized previously to determine whether it causes a significant vibration. CONSTITUTION: Ro...
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JP2001137784A |
To provide a classifier which can materialize coarse powder cutting and straightening simultaneously. A rotatable coarse powder cutting/straightening fin 81 is arranged on the upstream side of the rotary fin 21 of the rotary classifier, ...
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JP2001129420A |
To provide a novel air blow method in which a device not to give external turbulence to steam characteristic is applied. A roller mill is provided with a rotary tale 2 in which a pulverizing race is provided by scoring in a circumferenti...
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JP2001129421A |
To provide a pulverizing device which can foresee generation of abnormal vibration and apply vibration preventing measures before abnormal vibration is generated. In the pulverizing device which is provided with a pulverizing ring 1 free...
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JP3166417B2 |
PURPOSE: To provide the control method by which the takeout quantity of products is kept constant even when the pulverizability of a raw material is changed in a pulverizer. CONSTITUTION: At least any one of the quantity of a raw materia...
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JP2001113192A |
To shorten the time required for an exchange operation of a crushing part and to enhance the working rate of such a kind of crusher. This vertical crusher is provided with a turntable 2 which is rotatively driven by a driving source, a c...
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JP2001504036A |
In a cast composite wear part consisting of a metallic matrix having wear resistant inserts in the or each working face, the inserts are formed from a ceramic wafer which consists of a homogeneous solid solution of 20-80 wt.% Al2O3 and 8...
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JP3147136B2 |
PURPOSE: To reduce uneven wear to prevent the lowering of capacity due to the progress of wear by forming a pulverizing roller into a truncated cone, setting a radius of curvature of a corner part on the small diameter side to the relati...
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JP3147143B2 |
To improve classification accuracy by constituting the separator of a vertical pulverizer which is arranged with plural pieces of pulverizing rollers atop the outer periphery part of a turntable and is provided with a separator of a rota...
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JP3145350B2 |
To surely adjust the clearance between a roller and a turntable. Relating to a hydraulic cylinder control mechanism for controlling a hydraulic cylinder to adjust the clearance between a roller and a turntable, when the clearance is not ...
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JP2001058137A |
To improve a mill performance by making the temperature distribution uniform at a mill inlet by providing an air diffusing means at a tail part of a mixing foil. A mixing foil 1 for mixing hot air (about 350°C) and cold air (about 50°C...
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JP3135036B2 |
To provide a method for producing multiple oxide ceramics by which single-phase multicomponent metal oxide ceramics almost free from a formed impurity phase and excellent in dielectric characteristics can be efficiently produced at a low...
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JP3134597B2 |
PURPOSE: To reduce the quantity of coarse grains falling on an air port and discharged outside a mill without increasing the velocity of gas flow at the air port more than required. CONSTITUTION: In a vertical mill 13 constituted so that...
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JP3132125B2 |
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JP3129347B2 |
PURPOSE: To shorten the response delay time of the discharge amount of coal discharged from the coal grinding roller mill arranged to a boiler with respect to the load fluctuations of a powdered coal burning boiler. CONSTITUTION: A coal ...
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JP2001017879A |
To provide a vertical roller mill capable of effectively utilizing the whole of the width of a roller to enhance grinding efficiency.A vertical roller mill 10 is constituted so that rollers 21 are arranged so as to be brought into contac...
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JP2001017880A |
To provide a roller type grinding apparatus always holding the maximum damping effect and capable of grinding an object up to an ultrafine powder.The positional change of a roller 4 is measured by the displacement meter 40 arranged on a ...
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JP2001009303A |
To continuously cut coarse powder strayed into during finely classifying of a product by making easy an inspection and repair operation of a classifier mounted in a roller mill.A classification part comprises a cylindrical dashboard 14 f...
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JP2001009304A |
To efficiently remove coarse powder in a product fine powder by fixing a circular cylindrical partitioning member positioned between a fixed fin of a classifying section and a rotary fin on a ceiling plate in a circular cylindrical casin...
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JP2001009316A |
To reduce the undissolved fiber content of a cellulose ether water solution, enhance productivity and obtain cellulose ether stably by grinding pulp by using a vertical roller mill so as to produce powder pulp.A raw material pulp is powd...
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JP3124111B2 |
PURPOSE: To cope with many kinds of coal with good responsiveness of a mill by adding a roll lift set signal based on a mill coal feed signal to the preceding signal of a journal oil pressure in a specified kind of coal and adjusting the...
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JP2001000879A |
To smoothly reclaim casting scraps.Casing scraps (a) are crushed 2 and the crushed casing scraps (a) are subjected to compression/shearing action by a vertical mill 5. At this time, sine casting metal (a') such as copper alloy and foreig...
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JP2001000878A |
To keep pulverizing capability high and to hardly cause self-oscillation by devising the structure of pulverizing rollers rolled on the upper surface on the outer peripheral side of a turntable.In a roller mill by which solid fuel or sol...
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JP2000354779A |
To suitably prevent the wear of each part while suitably carrying out pulverized material.In a vertical pulverizer 1 having a turntable 6 wherein a fall part 8 to which material to be pulverized 7 falls and a rotary pulverizing groove 9 ...
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JP2000354778A |
To simultaneously improve pulverizing capacity for making the pulverized grading fine and stable operational property with vibration suppression.In the structure of the pulverizing part of a roller mill for pulverizing solid fuel or soli...
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JP2000354777A |
To prevent material to be pulverized from being deposited on a fall part of a turntable.In a vertical pulverizer 1 having a turntable 6 in which a fall part 8 to which material to be pulverized 7 falls and a rotary pulverizing groove 9 p...
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JP2000343040A |
To provide a centrifugal selector constituted so that dust is uniformly dispersed in a drainage pipe.A selector used for selecting a mixture of material to be selected and carrier gas is provided with an inlet part and an outlet part con...
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JP3115687B2 |
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JP2000334323A |
To provide a pressure control method capable of preventing the generation of self-excited vibration that can occur at a time of the stop or start of a roller mill while keeping necessary crushing capacity and capable of always operating ...
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JP3115446B2 |
PURPOSE: To prevent the generation of large self-excited vibration due to the synchronization of vibration of pulverizing rollers with each other in a vertical roller mill. CONSTITUTION: In a vertical roller mill where a turntable 3 whic...
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JP3115444B2 |
PURPOSE: To obtain a roller mill which does not generate vibration and can be used under a broad range of load or to various tapes of carbonaceous materials by making at least, one of the gradient angles of or the intervals between throa...
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JP3113070B2 |
PURPOSE: To predict a raw material easy to vibrate by forming a granular body as a sample obtained by powdering or granulating a raw material, exerting a compressive force and a shearing force on the layer to obtain the shearing and coll...
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JP3112591B2 |
PURPOSE: To obtain a crushing device which can be used in a wide load range or for crushing various types of carbonaceous materials without causing vibration by using each crushing roller of different material which constitutes a roller ...
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JP3112566B2 |
PURPOSE: To prevent that grinding rollers are synchronously subjected oscillation motion or up-and-down vibration motion by providing projections irregularly different in height to the outer periphery of a turntable and providing cavitie...
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JP2000317326A |
To quietly and stably operate a roller mill without generating vibration even under a condition producing super-powdered coal with respect to many-kind coal operation, wide range load operation and a load rising/falling process including...
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JP2000312832A |
To decrease the height of the whole vertical mil to miniaturize the vertical mill, to form a rotary shaft of a rotary classifier with a solid small- diameter shaft to eliminate the necessity of a special large-diameter bearing, and to re...
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JP3106775B2 |
PURPOSE: To prevent powder in a casing from entering the air chamber so as to eliminate the heaped powder and also to allow the vibration of a roller shaft part by introducing seal air into the air chamber before jetting it into the casi...
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JP3106758B2 |
PURPOSE: To improve the controllability of a boiler to rationally operate the boiler by installing a subtracter where an increase/decrease in coal from a multiplier is subtracted from the coal input from a coal input detector to obtain t...
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JP2000301128A |
To obtain a material corresponding to fine sand as a civil engineering material by separating incineration ash from which iron and non-ferrous metals were removed by a sieve having meshes of a specified length. Large-sized substances 12 ...
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JP3105405B2 |
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JP2000297304A |
To smoothly and continuously pulverize an alloy material such as hydrogen storage alloy and recover the product powder under an inert atmosphere isolated from the air, to efficiently manufacture an alloy powder of stable quality at a low...
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JP2000297305A |
To efficiently manufacture a fluorinated hydrogen storage alloy powder under an inert atmosphere. This equipment is provided with a mixer 4 and a pulverizing device 5 in an inert atmosphere holding vessel 1A and also with a product powde...
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