Grinding roller

A technology of grinding rollers and teeth, applied in the field of grinding rollers, can solve the problem of not meeting the crushing requirements of raw materials for koji making, and achieve the effects of reducing energy consumption, increasing extrusion force, and reducing shear force

Inactive Publication Date: 2005-02-23
SICHUAN YIBIN WULIANGYE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the deficiency that the existing grinding rollers for crushing raw material grains cannot meet the crushing requirements for raw material grains for koji making, the technical problem to be solved by the present invention is to provide a grinding roller that meets the crushing requirements for raw material grains for koji making.

Method used

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Embodiment

[0024] Example: such as Figure 1 to Figure 5 As shown, the tooth angle α of the grinding teeth on the surface of the roller body 1 of the grinding roller of the present invention is 120°, the obtuse angle β is 75°, the length ratio of the obtuse surface / front surface is 1.67, the number of teeth is 4.72 teeth / cm, and the addendum is wide The m is 0.6mm, and the slope of the roller body is 5°40′. The raw material grain for koji making processed by this grinding roller is in the block shape of "gardenia petals", which satisfies the crushing of the raw material grain for koji making. Require.

[0025] Use the above-mentioned grinding roller of the present invention to process the raw material grain for koji making and the experimental data and curves of comparison on the three indicators of crushing quality, wear resistance and energy consumption with the existing grinding roller, see Figure 5 , the tooth angle α of the grinding teeth of the existing grinding roller is 90°, th...

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Abstract

A grinding roller for the grinder of grain features that its surface has the grinding teeth with tooth angle of 105-135 deg, the obtuse angle of 67-83 deg, the density of 3.54-4.72 teeth per cm, and top width of 0.4-0.8 mm. Its advantages are high grinding power and long service life.

Description

technical field [0001] The invention relates to a grinding roller used in a mill, in particular to a grinding roller used in a mill for processing raw grains for distiller's yeast. Background technique [0002] The koji quality of liquor is an important material basis that affects its internal quality. There has been a saying that "the koji is the bone of liquor" since ancient times. Distiller's yeast is a microecological product rich in complex microorganisms. The production process of koji making is: raw material grain - moistening material - crushing - mixing with water - bent embryo forming - entering the room for fermentation - leaving the room for storage - broken koji, "breaking", "mixing with water", " "Indoor fermentation" is a key and important process. The crushing requirements for raw grains such as wheat are "rotten heart but not rotten skin, into gardenia petals", "fine powder passing through a 20-mesh sieve is 35 ± 3% in cold season, and 39 ± 3% in hot seaso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C4/30
Inventor 谭万乔吴建军
Owner SICHUAN YIBIN WULIANGYE GROUP
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