Air flow pulverizer

A jet mill and pulverized material technology, applied in grain processing and other directions, can solve the problems of time-consuming and laborious, foreign matter mixed in adjustment operations, deviation of the interval between the front cover and the discharge side rotor, and achieve the effect of stable particle size and restraining quality deterioration.

Active Publication Date: 2011-10-05
MINAMI SANGYO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the crushing operation is interrupted to change the classification performance, it is necessary to remove the crushed objects remaining in the crushing chamber at one time, which is time-consuming and labor-intensive.
And there is also the risk of foreign matter being mixed in during adjustment operations
In addition, for cleaning and maintenance (maintenance), a method of connecting the main body and the front cover of the pulverizer with a cantilever hinge is adopted to enable it to be opened and closed. There is a problem with the stability of the particle size due to the deviation in the distance from the rotor on the discharge side

Method used

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Examples

Experimental program
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Embodiment Construction

[0062] exist Figure 1 to Figure 3 Among them, 1 is a base, 2 is a bearing horizontally supported by a frame 3 on the base 1 , and 4 is a rotating shaft supported by the bearing 2 . As shown in the figure, the rotating shaft 4 protrudes in a cantilever form from the bearing 2 , and the inlet-side rotor blade 5 and the discharge-side rotor blade 6 are fixed at a certain interval by spacer sleeves or the like, and can be rotated at high speed by a motor (motor) 50 . The shape of the inlet side rotor 5 and the outlet side rotor 6 is substantially the same, as image 3 , Figure 4 As shown, a plurality of blades 8 protrude from the outer periphery of the disc-shaped portion 7 on the central side. The tip portion of the blade 8 is formed as a tapered portion 9 . and, if figure 1 As shown, the inlet-side rotary blade 5 forms a tapered portion 9 on the inlet side, and on the discharge-side rotary blade, a tapered portion 9 is formed on the discharge side opposite to the inlet sid...

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Abstract

The invention provides an air flow pulverizer comprising a housing 10 having a cylindrical main body 11 and a conical front cover 12. Inside the housing, a suspension arm supports a rotary wing 5 at an inlet side and a rotary wing 6 at an outlet side, and a pulverizing area 15 with certain volume is defined by the rotary wings and the inner wall of the housing 10. The position of the conical front cover 12 is adjustable relative to the cylindrical main body 11 of the housing 10, so as to change the grading performance of a grading area formed by the conical front cover 12 and a conical portion 9 of the rotary wing 6 at the outlet side.

Description

technical field [0001] The present invention relates to a jet mill used for finely pulverizing foods such as agricultural crops. Background technique [0002] For the pulverization of foods such as beans and grains, there have been impact-type pulverizers such as a hammer mill or a pin mill that apply an impact that can break the pulverized material. Shredders are widely used. However, when the impact mill performs pulverization and pulverization, the heat generated by the impact increases, which sometimes leads to deterioration of the quality of the finely pulverized product. In addition, when the object to be ground is an object with a large amount of fat such as soybeans, it will be in a state of being kneaded with oil and cannot be ground. [0003] In addition, although the freeze pulverization method of embrittlement and pulverization of objects to be pulverized by a refrigerant such as liquid nitrogen is an excellent pulverization method capable of finely pulverizing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C19/06
Inventor 南川勤伊藤治郎
Owner MINAMI SANGYO
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