JP4730849B2 - Powdering equipment - Google Patents

Description

  The present invention relates to a pulverizer for finely pulverizing coarse particles, and more particularly, to a pulverizer used mainly for finely pulverizing coarse particles of plants such as grains and pulverized wood and bamboo. .

  Regardless of grains and minerals, the value of use increases by pulverization, so the need for pulverization technology and equipment has been great, and various proposals have been made and provided. In recent years, from the viewpoint of global environmental problems such as depletion of fossil fuel resources and global warming due to emitted CO2, attention has been focused on using plants with biomass energy and bioethanol as renewable energy that is friendly to the global environment. As a related technology for promoting this, plant powdering technology and equipment have been attracting attention.

  As a conventional pulverization technique, a stone mill method, a roll mill, a high-speed rotary mill, a ball mill, a jet mill and the like that have been used since ancient times are known. First, as a stone mill system, for example, a number of forms such as Patent Document 1, Patent Document 2, Patent Document 3 and the like have been proposed, but they are efficient in supplying coarse particles and recovering powder. In addition, there is a problem that it is not easy to pulverize large particles, and it is considered that there are many small-scale devices for applications where it is sufficient to produce a small amount of pulverized material. As a roll mill method, for example, a method like Patent Document 4 has been proposed as a form corresponding to pulverization for minerals and the like, but the apparatus has a complicated structure and a large scale. Therefore, there is a problem that the use is limited. In addition, as a high-speed rotating mill method, for example, a method as in Patent Document 5 has been proposed, but there is a problem in that mass production of powdered materials is not easy and the internal structure of the pulverizing mechanism is complicated. Yes. Also, the ball mill and jet mill systems have a problem in that the structure becomes complicated and uses are limited.

By the way, regarding the above-mentioned roll mill method, it is recalled as a simple idea that it may be pulverized by abutting two cylindrical rollers, but simply abutting two cylindrical rollers and rotating them. Even if it tries to pulverize, the crushing action does not work easily, and pulverization is not easy just by crushing the material to be pulverized. As an example of a combination of a stone mill method and a roll mill method in an example in which two cylindrical rollers are abutted, for example, the one in the form of Patent Document 6 has been proposed, but the roller is provided with a protruding shape. The result shows that it serves as a coarse pulverizer and that pulverization must rely on a stone mill method. For this reason, it is considered that the method as described in Patent Document 4 is used.

Even in the roll mill method, there is a movement to propose a simple method that is not complicated and large-scale as in Patent Document 4 as a technical proposal that is conscious of plant powdering technology and equipment in the future. A roll mill type of an abacus ball-shaped roller that is not a simple cylindrical roller has been proposed. This proposal seems to be expected to improve the powdering efficiency by adding the crushing action of the powdered body and the crushing action from the cylindrical roller, but if the roller is smooth, the powdered body will be Although there is a possibility that it is difficult to be pulverized, there is a problem that as a countermeasure, it is difficult to apply a rough surface processing such as an uneven state to the roller surface. As described above, the conventional pulverization technology / apparatus has advantages and disadvantages, and its application is limited to applications suitable for the characteristics.

Conventionally, it has been divided into two parts, such as those that are mass-produced with large-scale equipment such as coal or iron ore mineralization or wheat flour, or those that produce small amounts of buckwheat flour or coffee powder. It was sufficient to support pulverization technology / equipment, but as for the pulverization technology / equipment of plants in the future, accumulation of pulverized materials must be from small areas, and the scale of the device is small and medium. In addition to dealing with pulverization of grains, it is considered that there is also a demand for pulverization of fibrous materials such as wood and bamboo. For this reason, it is preferable that hard minerals can be pulverized, but even if it is not possible to pulverize, it is easy to pulverize coarse particles of plants such as grains, pulverized wood and bamboo, etc. Thus, there is a demand for a pulverization technique / apparatus that has good manufacturing efficiency, has a relatively simple apparatus structure, and can easily meet demands even in a medium to small scale apparatus scale.
JP 2001-314775 A JP 2005-199243 A JP 2006-239518 A JP 2008-43926 A JP 2007-111574 A JP 2006-289225 A JP 2008-6377 A

  The problem to be solved by the present invention is that, in view of the problems of the conventional pulverization technology / apparatus, the roll mill type form of the abacus bead roller of the kind of Patent Document 7 is more than the simple form of the cylindrical roller. Taking advantage of the fact that the pulverizing action part of the pulverized body is increased and the pulverizing action is added to improve the pulverization efficiency. Although it may be difficult for the powdered material to be pulverized, it is difficult to apply rough surfaces such as unevenness to the roller surface as a countermeasure. It is easy to pulverize the coarse particles of plants such as the body, the production efficiency is good, the structure of the device is relatively simple, and the device scale can be easily met even in the small and medium range It is in providing the powdering apparatus which can be performed.

  In order to solve the above-mentioned problems, the pulverization apparatus of the present invention is a form in which a cylinder is assembled to both ends of a truncated cone, and the width of the small-diameter column part is the same as the width of the large-diameter column part or within about 2 mm And a pair of powdered rollers, each of which has a configuration in which a plurality of roller unit members having a shaft member hole in the central shaft portion are connected to form a series of abacus balls. By disposing the concavo-convex portion of the pulverizing roller in a meshed state and rotating the pair of powdering rollers, the coarse particle powder can be crushed and pulverized in the gap between the concavo-convex portions engaged with each other. A coarse particle pulverized material supplying means for supplying a coarse particle pulverized material to the pulverized functional region, and pulverized by the pulverized functional region Powder collection / collection hand that collects and collects body As well as the most important feature that it has possession of the driving means for rotating the pair of powdering roller of said powdering functional sites.

  In addition, the surface of the roller unit member is provided with a plurality of streak-like cuts or fine rough surface processing.

  Furthermore, one of the powdering rollers can be arbitrarily moved and fixed in the horizontal direction, and means for arbitrarily adjusting the gap between the two powdering rollers is added.

  Furthermore, a sieve is incorporated in the powdered material accumulation / recovery means.

  According to the present invention, by using an abacus ball-shaped roller, the advantage of increasing the pulverization action part of the material to be pulverized from the cylindrical roller and adding the crushing action can be expected to improve the pulverization efficiency. In addition, as a countermeasure against the fact that the powdered material may not be easily slid into powder if the roller is smooth, by forming the roller with a unit member, rough surface processing such as unevenness on the roller surface is performed. Since it can be applied easily, it is possible to easily pulverize coarse particles of plants such as grains, pulverized wood and bamboo, etc., and the production efficiency is good, and the roller wears out.・ Even if damaged, there is no need to replace the entire surface as in the prior art, and it is possible to easily deal with wear and damage by re-roughening or partial replacement of the unit member, and maintenance is easy, and the device The structure of Comparatively is simple, easy to become like it is possible to provide a corresponding can powdering apparatus to demand even in the range of small and medium-sized as a device scale.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an explanatory view of a form of a roller unit member of a pulverizing functional part used in the apparatus of the present invention. FIG. 2 is an explanatory view of a form in which a plurality of roller unit members are connected to form a pair of composite members. 3 and 4 are explanatory diagrams of an example according to the embodiment of the apparatus of the present invention. FIG. 5 is an explanatory view of an example in which powdering rollers are arranged in two stages and a sieve is incorporated in the powdered material collecting / collecting means.

[Example 1]
An example of an embodiment of the apparatus of the present invention will be described with reference to FIGS. As shown in FIG. 1, the device 1 of the present invention has a form in which a cylinder is assembled to both ends of a truncated cone part 11b, and the width of the small diameter cylindrical part 11a and the large diameter cylindrical part 11c are the same or the width of the small diameter cylindrical part 11a. As shown in FIG. 2, a plurality of roller unit members 11 are connected by using a roller unit member 11 having a shape that is slightly larger than the width of the large-diameter cylindrical portion 11c and having a shaft member hole 11d in the central shaft portion. Then, while using the powdering roller 10 having a form such that the abacus balls are continuous as a pair, the pair of powdering rollers 10, 10 are arranged in a state where the concave and convex portions are engaged with each other, and the pair In addition to having a pulverizing functional part that can grind and pulverize the coarse particle powder to be pulverized by the gaps between the concave and convex portions meshed by rotating the powdering rollers 10 and 10 of FIGS. As shown in FIG. As a coarse particle powder supply means for supplying the coarse particle powder to the part, the coarse particle powder supply hopper 21 and the powdered substance powdered at the powdery functional part are collected and collected. As a driving means for rotating a powdered powder collecting hopper 31 and a powdered powder collecting box 32 as a powdered powder collecting / collecting means, and a pair of powdering rollers 10 of the powdering functional part, a motor 41, a gear 42 and the like It has.

[Example 2]
Next, as another example of the embodiment of the apparatus of the present invention, an example in which a pulverizing roller is arranged in two stages and a sieve is incorporated in the pulverized material accumulation / recovery means will be described with reference to FIG. To do. As shown in FIG. 5, the device 1 of the present invention arranges the powdering rollers 10 in two stages according to the properties of the coarse particle powder to be used and the required fineness. In some cases, the sieve 50 is incorporated in the collecting means. In that case, the 2nd powder collection | stacking hopper 33 and the powder collection box 32 which respond | correspond for every powdered material screened with the sieve 50 are arrange | positioned. In addition, disposing the roller 10 for powdering in two steps and incorporating the sieve 50 may be selectively employed as appropriate according to given conditions. Further, the above description of the embodiments of the present invention is a description of some of the embodiments, and of course, the present invention falls within the scope of the claims of the present invention and can achieve the object of the present invention. As long as the form, scale, etc. are not limited.

Hereafter, what should be specially described for the main parts and members. In addition, regarding the material of the part / member, the prime mover, and the like, there is no limitation as long as the object of the present invention can be achieved.
As for the powdering functional part, as shown in FIG. 2, the powdering roller 10 has a shaft member 12 fitted into the shaft member hole 11 d to connect a plurality of roller unit members 11, and a small diameter of the adjacent roller unit member 11. The cylindrical part 11a and the large-diameter cylindrical part 11c are brought into contact with each other, and the assembled end part is assembled so that one is the small-diameter cylindrical part 11a and the other is the large-diameter cylindrical part 11c. It is firmly integrated. The form including the number and size of the powdering rollers 10 may be appropriately set in consideration of given conditions. The fastening method using the fastening member 13 described above is an example, and the powdering roller 10 is firmly integrated. The fastening method is not limited as long as it can be realized. As shown in FIG. 1, the roller unit member 11 is provided with a plurality of streak-like cuts 11e or fine irregularities on the surface. Further, the shaft member hole 11d may have a circular cross section, but is preferably square or hexagonal. In addition, the shape of rough cutting between streak-like cuts or fine irregularities and the setting of the gaps between irregularities between the powdering rollers 10 and 10 depend on the properties of the coarse particle powder to be used and the required fineness. It may be set appropriately.

  As for the coarse particle pulverized material supply means, the coarse particle pulverized material supply hopper 21 is provided with a supply amount control partition 21a for controlling the supply amount of the pulverized material. And as a powder supply method to the coarse particle powder supply hopper 21, for example, a manual supply, a pipe transfer supply, a transfer supply method using a belt conveyor, a screw conveyor, or the like can be considered, but the method is not limited.

  With regard to the powder collection / recovery means, the powder collection hopper 31 is provided with a collection amount control partition 31a for controlling the collection amount of the powder. In addition, as a method for recovering the powdered material, a method for recovering using the powdered material recovery box 32 is illustrated, but other methods include, for example, a pipe transfer recovery, a recovery transfer method using a belt conveyor, a screw conveyor, or the like. But not limited.

  Regarding the drive means, the prime mover 41 is not limited to an electric motor or a fuel engine drive machine. As a rotation transmission method, the gears 42 and 42 may be gears, chains, pulleys, belts, or the like, and are not limited. Moreover, you may interpose a reduction gear etc. as needed.

As for the sieve 50, a sieve mesh is appropriately set according to given conditions. When the apparatus is operated, the apparatus itself vibrates, so that the sieve 50 is inevitably a vibration sieve. However, if necessary, a shaker for vibrating the sieve may be attached. Further, when two or more sieves 50 are provided, they may be appropriately set according to the conditions of the apparatus.

  Appropriately setting the material used for this device, the strength of this device, etc., not only can be used to finely pulverize coarse particles of plants such as grains, pulverized wood and bamboo, but also, for example, fruit trees and vegetables It can be used for a wide range of pulverization, pulverization and saccharification applications such as pulverization and liquefaction of rice, and pulverization and pulverization of relatively small hardness such as coal, limestone, rice husk and shells.

It is form explanatory drawing of the roller unit member of the powdering functional site | part used for this invention apparatus. (A) Schematic perspective view of roller unit member (B) Front view (C) Side view It is form explanatory drawing which used as a pair of rollers for powdering by connecting two or more roller unit members. (D) Plan view (E) Side view (F) Partial sectional view It is explanatory drawing of an example which concerns on embodiment of this invention apparatus. (G) Plan sectional view of GG section (H) is front sectional view of hh section It is explanatory drawing of the same Example as FIG. (I) Side view (J) Side sectional view of the JJ cross section of FIG. It is explanatory drawing of the example at the time of arrange | positioning the roller for powdering in 2 steps | paragraphs, and incorporating the sieve into the powdered material accumulation | collection / collection | recovery means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Powdering apparatus 10 of this invention 10: Powdering roller 11; Roller unit member 11a; Small diameter cylindrical part 11b; Conical part 11c; Large diameter cylindrical part 11d; Shaft member hole 11e; Member 13; Fastening member 21; Coarse particle powder supply hopper 21a; Movable partition for supply amount control 31; Pulverized powder integrated hopper 31a; Movable partition for recovery amount control 32; Powdered material collection box 33; Second powder Chemically integrated hopper 33a; recovery amount control movable partition 41; prime mover 42; gear 50; sieve 61;

Claims (4)

  Cylinders are assembled at both ends of the truncated cone, and the width of the small-diameter cylindrical part is set to be slightly larger than the width of the large-diameter cylindrical part or within a range of about 2 mm or less, and the shaft member hole is formed in the central shaft part. A plurality of roller unit members having a shape and a pair of pulverizing rollers having a form such that abacus balls are continuous are arranged in a state where the uneven portions of the pair of pulverizing rollers are engaged with each other. The powdering function is provided with a powdering functional part capable of crushing and pulverizing the coarse particle to be powdered in the gaps between the concave and convex portions meshed by rotating the pair of powdering rollers. A coarse particle powder supply means for supplying a coarse particle powder to the part, a powder accumulation / collection means for collecting and collecting the powdered powder at the powder function part, and A pair of powder rollers for the powder function part Powdered apparatus characterized by the possession of driving means for rotating the.   2. The powdering apparatus according to claim 1, wherein a surface of the roller unit member is provided with a plurality of streak-like cuts or fine uneven surface roughening.   The one or more of the powdering rollers can be arbitrarily moved and fixed in the horizontal direction, and means for arbitrarily adjusting the gap between the two powdering rollers is added. Item 3. The powdering apparatus according to Item 2.   The pulverizing apparatus according to any one of claims 1 to 3, wherein a sieve is incorporated in the pulverized material accumulation / recovery means.

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