Solid material comminution or disintegration – Apparatus – Parallel material flow through plural comminuting zones
Patent
1999-03-08
2000-11-14
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Parallel material flow through plural comminuting zones
241143, 2412853, B02C 428
Patent
active
061457671
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a feeder module for a roller mill and a method of milling products using a feeder module in a roller mill, and more particularly, relates to a roller mill for the production of cereal products and the like in cereal mills, fodder mills and other mill operations.
2. Discussion of Background Information
Roller mills for the production of milled products especially for milling of cereals are mostly equipped with feed rollers for the distribution as evenly as possible over the entire length of the milling rollers of the product to be ground or milled. EP-B-38054, for instance, describes a product feed control whereby the cereal reaches feed and loosening rollers from a feed room. This is followed by a dosing valve which in turn is connected with a signal sensor in the feed room to adjust a dosing gap by use of the dosing valve. The access to this feed device is provided by use of an inspection door and an inspection flap. In order to achieve accessibility for cleaning and maintenance purposes, various linings, etc., must be removed. Additional feed devices for instance described in DE-PS 2011783, DE-PS 240351, DE-A-2462414 or DE-A-3404732 do not go beyond this state-of-the-art.
SUMMARY OF THE INVENTION
The present invention provides a feeder module for use in a roller mill, and a method of milling products using a feeder module in a roller mill. The feeder module may be adapted for use in the production of milled cereal products.
The feeder module of the present invention includes roller mill having a housing having an inlet adapted to receive a product to be milled and an outlet adapted to output the milled product. The roller mill further has at least one pair of milling rollers disposed in the housing between the inlet and the outlet, the rollers being adapted to mill the product. The feeder module has a frame and a distribution and feed device. The distribution and feed device is adapted to accommodate the product from the inlet, and is further adapted to distribute the product over the length of the milling rollers, and is still further adapted to feed the distributed product onto the milling roller. The feeder module is adapted to be pivoted in the housing between a working position and an open position, and when in the working position, the distribution and feed device is positioned between the inlet and the milling rollers, and when in the open position, access to at least the distribution and feed device is provided.
According to a certain aspect of the invention, the frame may be generally pie segment-shaped. Also, the feeder module may be installed in and removed from the housing as a separate assembly.
The distribution and feed device may include a distribution roller and a feed roller adapted to distribute the product over the length of the milling rollers, and further adapted to transport the distributed product to the milling rollers.
According to another aspect of the invention, a dosing facility adapted for the controlled feeding of the product to the milling rollers may be provided. Also, the dosing facility may include a dosing valve.
Additionally, the frame may be adapted to pivot about a fulcrum in the housing. Also, the distribution and feed device may be engaged and disengaged either manually or by a motor.
The method of milling products using a feeder module in a roller mill, includes receiving the product from the inlet, distributing, by the distribution and feed device, the product over the length of the milling rollers, feeding, by distribution and feed device, the distributed product onto the milling roller, and pivoting the feeder module in the housing between the working position and the open position.
The method may also include installing and removing the feeder module from the housing as a separate assembly. The method may further include dosing the product to the milling rollers, and may optionally be performed by a dosing valve.
Furthermore, the method may further comprise engaging and disengag
REFERENCES:
patent: 4938425 (1990-07-01), Williams et al.
patent: 5498207 (1996-03-01), Cappon et al.
patent: 5657934 (1997-08-01), Pirrung et al.
Buhler AG
Rosenbaum Mark
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