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patent roller mill vertical

US10010889B1 Vertical roller mill Google Patents

The invention relates in general to a vertical roller mill of the type comprising a grinding table which is rotatable about a vertical axis; at least two grinding rollers which are rotatable about...

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Vertical roller mill F. L. Smidth & Co.

This invention relates to a roller mill and particularly to a vertical roller mill wherein the grinding rollers rotate around stationary generally horizontally mounted shafts. BACKGROUND ART In known vertical roller mills having a grinding table capable of rotating around a vertical axis, the grinding rollers are suspended in a pressure frame positioned above the rollers.

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US4606506A Vertical type roller mill Google Patents

Accordingly, the invention has as its object the provision of a vertical type roller mill capable of causing uniform wear to be caused on each of the grinding rollers by keeping wear of a higher...

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Vertical roller mill Kabushiki Kaisha Kobe Seiko Sho

As described in the above Japanese Examined Patent Publication and as shown in FIG. 1, the conventional vertical roller mill is characterized in that the gap (1) formed between the face of the milling roller (2) and that of the table liner (3) of the milling table (4) has a wedge-like sectional shape which decreases in sectional area as one moves towards the circumference of the milling table such that the

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EP0054344B1 Vertical roller mill Google Patents

A vertical roller mill for carrying out the method according to claim 1, the mill comprising at least one grinding roller (3) which is urged by a double acting hydraulic cylinder (9) against a...

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Vertical roller mill F.L. Smidth & Co. A/S

The invention relates to a vertical roller mill of the kind (hereinafter referred to as of the kind described) comprising a mill housing encasing a grinding table which is rotatable about a vertical axis, at least two grinding rollers rotatable about substantially stationary axes, and urged against the grinding table, and a feed pipe for the supply of material, to be ground on the grinding table, down towards the central part of the grinding

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Vertical roller mill Ishikawajima-Harima Jukogyo

Vertical roller mill United States Patent 4483487

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Patents Assigned to Ing Shoji Co., Ltd. Justia Patents

2016-3-9 · Patent number: 9821315 Abstract: In grinding of a raw material by a vertical roller mill, highly-efficient grinding is performed irrespective of the type of the raw material, and the life of the mill roller is extended. In order to achieve these, in a grinding roller used in a vertical roller mill, an outer circumferential surface of the roller

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Patent Technology Kai Sheng

a new type of vertical roller mill invention patent ZL 2013 1 0059160.9 20 a type of sealing device between the cooler burner and the kiln invention patent

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Jason Euculano Inventions, Patents and Patent

2019-6-15 · Abstract: A vertical roller mill has grinding rollers which roll over a grinding path of a rotatable grinding table, and a surrounding nozzle ring separation area for conveying and separating gas. A coarse fraction of ground material is entrained in gas upwards in ducts from a location that is below, at, or above the nozzle ring separation area and is transported into an entry to a material

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Vertical roller mill Ishikawajima-Harima Jukogyo

The conventional vertical roller mills are divided into the "swing arm" type mill (e.g., Japanese Pat. No. 454825) and the "press ring" type mill (e.g., Japanese Patent Public Disclosure No. 125869/1977). These mills have some problems in forcing their grinding rollers against the rotary table as

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Industrial Roller Mill Roller Mill Manufacturer

Williams Patent Crusher is an industry-leading roller mill manufacturer. Learn about our vertical roller mills, centrifugal roller mills and more.

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Roller mill construction Gebr. Pfeiffer AG

Briefly, the present invention may be described as a roller mill comprising a grinding plate revolving around a vertical central axis, a plurality of grinding rollers in rolling grinding contact with said grinding plate, a roller frame supporting each of said grinding rollers for rotation about a stationary axis in grinding engagement with said grinding plate, with each of said rollers being individually supported on a

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Roller mill Schenck Process Holding GmbH vertical

The Raymond® fine grinding roller mill (US Patent Nos. 7665681 and 7963471) was specifically designed to achieve a product size distribution with d50 measurement of less than 10 microns. Available as new roller mills or as a retrofit to your existing mill.

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Patents Assigned to Ing Shoji Co., Ltd. Justia Patents

2016-3-9 · Abstract: In grinding of a raw material by a vertical roller mill, highly-efficient grinding is performed irrespective of the type of the raw material, and the life of the mill roller is extended. In order to achieve these, in a grinding roller used in a vertical roller mill, an outer circumferential surface of the roller as a grinding surface is divided into a main grinding surface that mainly performs pulverizing and a

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The Roller Mill Patent :: 156 U.S. 261 (1895) :: Justia US

The Roller Mill Patent, 156 U.S. 261 (1895) The Roller Mill Patent. No. 70. Argued November 12, 1894. Decided February 4, 1895. 156 U.S. 261. Syllabus. The invention protected by letters patent No. 222,895, issued December 23, 1879, to William D. Gray for improvements in roller mills, is not infringed by the machine used by the defendant in error.

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Patent Technology Kai Sheng

a new type of vertical roller mill invention patent ZL 2013 1 0059160.9 20 a type of sealing device between the cooler burner and the kiln invention patent

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Jason Euculano Inventions, Patents and Patent

2019-6-15 · Vertical roller mill Patent number: 10010889 Abstract: A vertical roller mill has grinding rollers which roll over a grinding path of a rotatable grinding table, and a surrounding nozzle ring separation area for conveying and separating gas.

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Jason S. Euculano Inventions, Patents and Patent

2008-8-21 · Vertical roller mill with improved hydro-pneumatic loading system Patent number: 7028934 Abstract: An accumulator assembly comprising at least two accumulators that are hydraulically interconnected to the same source of hydraulic fluid.

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Horst Brundiek Inventions, Patents and Patent

2002-10-1 · Abstract: The specification describes a roller mill comprising a rotary grinding pan and grinding rollers adapted to roll on this grinding pan and which are journalled stationarily though with a provision for vertical pivoting. In accordance with the invention the grinding pan is supported by at least three hydrostatic axial individual bearings, which are arranged substantially symmetrically with respect to the grinding pan and can take up all vertical

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