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JP7039794B2 |
The purpose of the present invention is to provide: a deterioration diagnosis device for pulverizers that is capable of diagnosing the deterioration of a pulverizer with high accuracy without stopping the pulverizer; a pulverizing system...
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JP2022041974A |
To grasp that a type of a solid fuel is changed in a state that influence of wear of a crushing roller is inhibited.A device (solid fuel crushing device) 100 includes: an average value calculation part 51 which calculates an average valu...
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JP2022041973A |
To provide a device, a power generation plant, a method for controlling the device, a program, a power generation plant system and a method for controlling the power generation plant system which can more accurately determine whether an ...
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JP2022029439A |
To accurately calculate a control target value of a control parameter based on an operation parameter, even when an operation condition for a plant instrument is changed.A control device of a plant instrument comprises a control part and...
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JP7019670B2 |
Enclosures for vertical pulverizer systems are disclosed. The enclosure may include a vertically oriented cylindrical body forming an internal cavity. The enclosure may also include a cover positioned above the cylindrical body. The cove...
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JP2022024581A |
To provide a vertical grinder mill comprising a tension device capable of optionally controlling a roller pressure.A vertical grinder mill 10 comprises two crushing rollers 13 driven via a raw material on the top face of a rotary table 1...
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JP6999349B2 |
The invention provides a solid fuel crushing system and a control method thereof, and a solid fuel crushing apparatus. The frequency of stopping any one of the plurality of solid fuel crushing apparatuses is reduced by reducing the lower...
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JP6995664B2 |
To avoid decrease in efficiency of operation of a vertical type crusher.A scraper 50 comprises: a supporting leg 105 which is provided on a crushing table 20, and extends toward a groove which is provided at a lower portion of an outer m...
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JP6993795B2 |
To propose a structure capable of adjusting a temperature of the pulverization chamber of a vertical roller mill independently of a product temperature in a closed-circuit type pulverization system comprising the vertical roller mill.A p...
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JP2022006219A |
To provide a vertical mill which prevents progress of nonuniform wear of roller tires in grinding rollers caused by uneven accumulation of a raw material on a rotary table due to supply imbalance.In a vertical mill according to the prese...
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JP6973321B2 |
To provide a method and an apparatus for producing fine coal for blast furnace blowing, which can control the fine coal particle size distribution after pulverization to a desired value regardless of the kind and supply amount of coal wi...
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JP2021175565A |
To provide a vertical mill capable of carrying out efficient pulverization even if a throughput of a raw material pulverized is lowered.A vertical mill 10 of the invention is intended to pulverize a raw material pulverized by n (n≥2) p...
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JP2021171673A |
To provide a crushing device that can efficiently crush an object to be crushed.A crushing device according to the present invention, which crushes an object to be crushed, comprises: a rotary body in which a passage extending up to an o...
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JP6943027B2 |
To provide a vertical type roller mill which enables improvement of classification performance.A vertical type roller mill 1 includes: a cylindrical housing 2; a chute 3 which supplies ground objects to a center part of the housing 2; a ...
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JP6930728B2 |
To obtain a method for reliably repairing a roller without breaking a motor and a torque arm of the motor, and by performing connection of the motor or the like more easily and in a shorter period of time.There is provided a method for r...
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JP6929184B2 |
A bearing element suitable for supporting a grinding disk in a roller mill, comprising a plate-like or disk-shaped base element, an annular disk and a spacer element, wherein the annular disk is disposed substantially parallel to the bas...
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JP6931387B2 |
A grinding roller for vertical axis crushers is disclosed herein that is produced by foundry casting of a metal matrix. The roller includes a plurality of reinforcing inserts on its periphery, wherein some portions of the peripheral surf...
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JP6919239B2 |
To provide a pulverization system for efficiently pulverizing cement using a vertical mill and efficiently drying cement clinker and gypsum dihydrate in a mixed state.The pulverization system according to the present invention comprises:...
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JP6918641B2 |
The purpose of the present invention is to spray a fire extinguishant to suppress fast burn when fast burn occurs in a housing at least in any operating state with differing pressure within the housing. A pulverizer (5) that pulverizes s...
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JP2021115522A |
To provide a technology that energy consumption required for cement crushing is reduced without influencing cement quality.In a cement production facility 1 equipped with a water addition device 6 adding water W to a feed material C2 to ...
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JP6914036B2 |
Provided is a vertical mill provided with a rotating table (3) disposed within a casing (2), a roller (4) disposed above the rotating table (3), and a gap adjustment device (5) for adjusting the gap between the roller (4) and the rotatin...
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JP6911550B2 |
To provide a dual purpose vertical roller mill which can operate ground objects having different characteristics, such as coal and wood biomass, without needing significant modification.A vertical type roller mill 1 has: a cylindrical ho...
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JP6899776B2 |
A vertical roll mill may include a grinding plate, a grinding roll, a nozzle ring that horizontally surrounds the grinding plate, an air feed apparatus disposed under the nozzle ring, a discharge element disposed below or in a region of ...
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JP6894986B2 |
The invention relates to a vertical roller mill having a rotatable grinding bowl on which, during operation, a grinding bed composed of material for grinding is formed. Furthermore, at least two stationary rotatable grinding rolls are pr...
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JP6896399B2 |
To provide a solid fuel pulverizer and an operation method thereof which can improve classification performance.A rotary separator comprises a plurality of blades 31 provided rotatably with respect to a coal feed pipe to classify pulveri...
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JP6893472B2 |
Reduction gear for driving a stirred mill including a reduction gear housing, an input shaft suitable for being connected to a drive motor, a reduction stage arranged in the reduction gear housing, and an output shaft that is suitable fo...
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JP6881166B2 |
To provide a vertical crusher which reduces, in particular, upward vibration of vertical vibration acting on crushing rollers during crushing.A vertical crusher 10 of the invention rolls crushing rollers 16, which contact with a rotary t...
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JP6879837B2 |
To judge whether or not a plurality of kinds of solid fuels can be mixed and pulverized based on differences of total moisture amount of solid fuels and differences of hard globe pulverization index.A mixing judging method of a solid fue...
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JP6869323B2 |
To set a crushing capacity of a vertical mill with high accuracy when crushing a biomass raw material in an evaluation method for a crushing capacity of the vertical mill.This evaluation method has: a process in which a biomass raw mater...
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JP6856311B2 |
To provide a vertical mill which enables improvement of the crushing efficiency of crushing rollers and prevents occurrence of abnormal vibration during crushing.A vertical mill rotatably rolls crushing rollers 16 on a rotary table 14 th...
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JP6849439B2 |
To provide a new classifier that can strengthen a downflow of a gas-particle flow and can separate large grain reliably, a vertical crusher with the classifier, and also a coal-fired boiler.A classifier includes: a housing having a top w...
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JP6833527B2 |
To provide a vertical crusher capable of reducing an internal powder layer differential pressure by reducing solid fuel that circulates inside.A vertical crusher 1 comprises a crushing table 4 for crushing biomass, a discharge port 8 pro...
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JP6834391B2 |
To provide an abnormality detection device and method of a bearing of a crushing roller, which can detect initial abnormality of the crushing roller, especially its bearing, with high accuracy.In an abnormality detection device 10 of a b...
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JP6827894B2 |
The purpose of the present invention is to detect that rapid combustion has occurred or that rapid combustion will occur immediately, and to inject a fire extinguishant at an appropriate position and timing. This crusher comprises: a fir...
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JP6828113B1 |
To provide a remaining life estimation system and a solid fuel crusher capable of more accurately estimating the remaining life, a remaining life estimation method, and a remaining life estimation program. This is a system for estimating...
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JP3230490U |
To provide a medium-speed coal mill coarse powder separator equipped with a powder return guide device. A crushing disk 2 and a wind ring 3 are located at the bottom of a separator case, a wind ring is located on the outer periphery of t...
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JP6823447B2 |
The invention provides a milling blade and a milling device capable of effectively crushing beverage raw materials; the milling blade comprises a fixed blade (24) and a rotary blade (22), wherein thefixed blade comprises a disc body (150...
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JP6821371B2 |
To suitably remove carbon-containing solid fuel which is deposited in an air supply duct from the interior of an air supply duct.A vertical mill includes: a hollow shaped housing; a grinding table which is supported rotatably with respec...
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JP6817913B2 |
The purpose of the present invention is to accurately sense the occurrence of a fast burn, and spray a fire extinguishing agent at an appropriate location and timing. The present invention is provided with: three first pressure sensing u...
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JP6803747B2 |
To accurately control a rotational frequency of a mill classifier to improve boiler efficiency.A rotational frequency controller 20 of a mill classifier 24 applied to a coal-burning boiler 1 includes: a furnace heat absorption amount cal...
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JP6790501B2 |
To solve a problem in which theoretical classification points are different between the upper and lower sides of a rotation-classifying blade when a casing shape of a classifying mechanism is partly a truncated cone shape whose diameter ...
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JP6790499B2 |
To smoothly discharge from above a rotary table, when metallic foreign matter is mixed in a raw material being a crushing object in a vertical type crusher having a conical type crushing roller.A horizontal plane is formed up to a dam ri...
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JP6779009B2 |
The present invention prevents fine powders from colliding with a roller journal so as to inhibit generation of friction, improves workability in maintenance and management, and further reduces the risk of causing damage to a base materi...
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JP6779926B2 |
To provide a mill blade producible at an inexpensive price, and a manufacturing method of the same.A rotary blade 22 and a fixed blade 24 constitutes a mill blade which comprises a disk body 150, and a blade part 151 provided at one surf...
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JP6776814B2 |
To prevent abnormal vibration which is likely to occur when starting operation of a vertical mill.When a pulverization roller, which is largely separated from a turntable by a swing lever, is gradually lowered in conformity with supply s...
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JP2020168616A |
To provide a coal crusher which enables an overload applied to a scraper device to be released with a simple structure and can achieve reduction of costs.A coal crusher 1 includes a scraper device 10 which scrapes foreign objects droppin...
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JP6764855B2 |
The disclosure relates to sintered ceramic grains comprising 3-55 wt. % alumina, 40-95 wt. % zirconia and 1-30 wt. % of one or more other inorganic components.The invention further relates to a method for preparing ceramic grains accordi...
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JP6759744B2 |
To inhibit fatigue breakdown in a support structure for supporting a device generating vibration, such as a vertical mill.A support structure 10 for supporting a device 8 generating vibration includes: a plurality of supporting legs 12 p...
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JP6759843B2 |
To provide a vertical roller mill which can reduce burden on classification and improve performance of classification.A vertical roller mill 1 comprises: a rotary classifier 5 with rotary classifying blades 8 which is disposed above the ...
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JP6743891B2 |
A vertical roller mill (1) includes a housing (2), a chute (3) that supplies materials to be grinded to a center portion of the housing (2), a grinder (4) that is provided below the chute (3) and grinds the materials to be grinded, an ex...
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