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vertical grinding mill patent

US10010889B1 Vertical roller mill Google Patents

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 separator

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US4606506A Vertical type roller mill Google Patents

The grinding rollers 2 are each forced by pressing means 10 against the grinding surface of the grinding table 1. In the vertical type roller mill according to the invention, the grinding surfaces of the grinding table 1 and each grinding roller 2 include the surface portions 6a and 7a each constituting a portion of an imaginary conical surface

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US4489895A Vertical roller mills Google Patents

The invention relates to vertical roller mills of the kind, hereinafter referred to as of the kind described, comprising a mill housing surrounding a grinding table which rotates about a vertical axis, at least one grinding roller rotating about a stationary axis and urged against a material layer on the grinding table, and a nozzle ring encircling the table for discharging air to convey away

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US Patent for Vertical roll mill Patent (Patent

Feb 25, 2016· 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 the air feed apparatus, and a bypass apparatus disposed in the nozzle ring. The bypass apparatus may form a connection between the nozzle ring

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US1876416A Grinding mill Google Patents

GRINDING MIT/715 Filed Aug. 28/ 192 s 5 sheet s-sheet 3 g v T "EL/277i INVENTOR. Y a 4 j A TORNEY. Patented Sept. 6, 1932 "are STATES PATENi'Iif OFFICE WALTER iu. HILL, or Henson, coLoReno, AS'SIGNOR, .BY ninnc'r AND mnsnr. Assien-j MENTS, TO J. n. CANARY, or LITTLETON, COLORADO I v GRINDING MILL Application filed. August 28, 1,928.

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

DESCRIPTION. 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

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Vertical rotor mill Bühler AG Free Patents Online

The invention relates to a vertical rotor mill, especially to an impact pulverizer or to a hammer mill for grinding granular material using impact tools (8).Said tools are fixed to a rotating, vertically arranged rotor (7) which is enclosed by a screen (9).The grinding chamber (19) is in turn enclosed by a conic housing (6).The aim of the invention is to simplify access to the screen (9) and

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Vertical grinding mill Kubota, Ltd. FreePatentsOnline

Jul 05, 1988· This invention relates to a vertical grinding mill. A conventional grinding mill of this type disclosed in the Japanese patent publication No. 39-5584 is shown in FIG. 4. A vertical screw shaft 2 is rotatably mounted in a vertical shell 1. Grinding medium b such as steel balls is filled in the shell 1.

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US7963471B2 Fine grinding roller mill Google Patents

A roller mill 10 for pulverizing fine material has a grinding mechanism that includes a plurality of grinding rolls 64 and a grinding ring 66 that coact to pulverize material within a mill housing. The grinding ring has an inner grinding surface wherein the inner surface includes an upper vertical portion and inwardly sloped lower portion.

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With Independent Means Moving Or patents.justia

Abstract: The invention relates to a vertical grinding mill including a closed vertical milling container in which a screw conveyor is arranged for rotary drive so as to convey grinding bodies to the top. The package of grinding bodies adjusts itself during operation such that the surface thereof is configured to slope radially outwards and

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Vertical rotor mill Bühler AG Free Patents Online

The invention relates to a vertical rotor mill, especially to an impact pulverizer or to a hammer mill for grinding granular material using impact tools (8).Said tools are fixed to a rotating, vertically arranged rotor (7) which is enclosed by a screen (9).The grinding chamber (19) is in turn enclosed by a conic housing (6).The aim of the invention is to simplify access to the screen (9) and

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Vertical grinding mill Kubota, Ltd. FreePatentsOnline

Jul 05, 1988· This invention relates to a vertical grinding mill. A conventional grinding mill of this type disclosed in the Japanese patent publication No. 39-5584 is shown in FIG. 4. A vertical screw shaft 2 is rotatably mounted in a vertical shell 1. Grinding medium b such as steel balls is filled in the shell 1.

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US Patent Application for METHOD AND DEVICE FOR DETACHING

In a method for detaching a frozen charge from an inner wall of a grinding tube of a tube mill, a motor of a drive system is operated in a first mode to rotate the grinding tube for grinding. In a second mode, the motor of the drive system is operated to remove the frozen charge from the inner wall of the grinding tube such that operation of the motor to effect a rotational movement of the

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Four Technologies of Xinxiang Great Wall Vertical Grinding

Four Technologies of Xinxiang Great Wall Vertical Grinding Mill won the National Patents News Date:2016-01-29 14:13:33. Recently, four technologies of Xinxiang Great Wall Machinery Co. powder selecting device of vertical mill ", " the roller sleeve disassembly device," " feeding device applied to vertical mill," " bearing cooling device of vertical mill Separator "won utility model patent

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Patents_Longyan Yifeng Grinding Mill Co., Ltd

Patents-Longyan Yifeng Grinding Mill Co., Ltd . Contact us. General Manager. Chris Guo: (86)13959028226. Trade Representative

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