Grinding machine for cereal grains

A technology for grinding machines and grains, applied in the field of grinding machines, which can solve problems such as short slopes, and achieve the effect of uniform air flow speed and constant flow rate

Inactive Publication Date: 2008-06-18
BUEHLER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the slope is shorter and at the same time only a small amount of grain is allowed to enter the feed area, and the wear on the envelope screen is much greater than the lower part of the working area

Method used

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  • Grinding machine for cereal grains
  • Grinding machine for cereal grains
  • Grinding machine for cereal grains

Examples

Experimental program
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Embodiment Construction

[0018] A grinding machine (not clearly shown), such as the one described in the applicant's patent application document DE-A-10341223, has a vertically arranged grinding rotor 1, whose rotor shaft 4 bears sections 5, 6 and feed screw 7 for grinding tool 2 . The first section 6 after the feed screw 7 is conical. The grinding tool 2 or segments 5 , 6 have vertical vent slots 3 .

[0019] Instead of having sections 5 , 6 , grinding tool 2 can also be designed as one part.

[0020] The grinding tool 2 is enclosed by a perforated basket 8 with a sieve plate (not shown) and which has transverse ribs to facilitate the flow.

[0021] The screen and perforated basket 8 are enclosed by an air enclosure 9 . An area with a wider cross section 9 for a large air volume and an area with a narrower cross section 10 for a small air volume, which results in an eccentric space outside the perforated basket 8 for the discharge of the ground powder .

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PUM

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Abstract

The present invention relates to a grinder with grinding tools for cereals, such as rice grains. The grinding tool (2) has sections (5, 6) with vertically configured venting slots (3).

Description

technical field [0001] The invention relates to a grinder for grinding or polishing grains, especially suitable for grinding rice grains. Background technique [0002] Grinding rotors in mills for processing grain are well known in the art. For example, patent publication DE-OS 2640870 describes a grain polisher with a polishing rotor configured as an inverse frustum, narrowing towards the bottom, and which is drawn through a funnel-shaped perforated cylinder. encapsulation. Also, for example, patent publications EP-A-699478 or EP-A-646414 disclose machines with a vertically arranged rotor, wherein said rotor houses grinding or polishing tools. The rotor and tools are enclosed at a distance by a screen, which in turn is held in a perforated basket. The perforated basket is enclosed by a housing in order to avoid uncontrolled exit of abrasive or polishing articles. The housing may include a rigid sheath or have holes for viewing windows. The rotor can also be designed as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02B1/06B02B3/00
CPCB02B3/04B02B3/00
Inventor M·布罗克费尔德F－O·格利茨
Owner BUEHLER AG
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