JP6585370B2 - Rice husk breaking treatment apparatus and rice husk breaking treatment method - Google Patents
Rice husk breaking treatment apparatus and rice husk breaking treatment method Download PDFInfo
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- JP6585370B2 JP6585370B2 JP2015084735A JP2015084735A JP6585370B2 JP 6585370 B2 JP6585370 B2 JP 6585370B2 JP 2015084735 A JP2015084735 A JP 2015084735A JP 2015084735 A JP2015084735 A JP 2015084735A JP 6585370 B2 JP6585370 B2 JP 6585370B2
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- 241000209094 Oryza Species 0.000 title claims description 141
- 235000007164 Oryza sativa Nutrition 0.000 title claims description 141
- 235000009566 rice Nutrition 0.000 title claims description 141
- 239000010903 husk Substances 0.000 title claims description 133
- 238000000034 method Methods 0.000 title claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 7
- 238000005549 size reduction Methods 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 235000021329 brown rice Nutrition 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Description
本発明は、籾殻を肥料として再利用する上で必要な所定の小さなサイズに処理するための籾殻折断処理装置及び籾殻折断処理方法に関する。 The present invention relates to a rice husk breaking processing device and a rice husk breaking processing method for processing rice husk into a predetermined small size necessary for reuse as fertilizer.
籾すり機により、籾は玄米と籾殻とに分離される。分離された籾殻を、吸水性の高い敷料や堆肥に混ぜる水分調整材などとして再利用するため、籾殻粉砕装置が使用されている。
この籾殻粉砕装置の方式として、籾殻を粉砕する回転刃を内蔵したケーシングの上部に籾殻投入用のホッパーを取付け、このホッパーの上部にブロア投入機の吸引ホース用の先端を開口し、該ケーシングの下部にブロア搬出機とその搬出ホースを接続したものが提案されている。
例えば特許文献１には、ホッパ内に供給された籾殻を、ブロアの吸引力により籾殻供給管を介してケーシング内に導入し、ケーシング内の回転刃及びこれに係合する固定刃により粉砕し、ケーシングに連結されるダクトを介し、ブロアにより大気中に送出される籾殻粉砕装置が記載されている。
また特許文献２には、原料籾殻を一時貯留する供給ホッパーの下部開口部に接して設けた投入シャッターを介して粉砕ケースを連設し、粉砕ケースの全容積と投入される原料籾殻の容量とを適切な比率を保持する状態を維持しながら粉砕ケース内の粉砕回転刃を高速回転させて籾殻を粉砕したあと、粉砕ケース底部に設けた排出シャッターを開放し、粉砕回転刃の介助により粉砕籾殻を排出させる籾殻粉砕機が記載されている。
The rice bran is separated into brown rice and rice husk by a rice grinder. In order to reuse the separated rice husk as a moisture-adjusting material to be mixed with a highly absorbent bedding or compost, a rice husk pulverizer is used.
As a method for this rice husk crusher, a rice husk charging hopper is attached to the upper part of a casing containing a rotary blade for crushing rice husks, and a suction hose tip of a blower charging machine is opened at the upper part of the hopper. The thing which connected the blower unloader and its unloading hose to the lower part is proposed.
For example, in Patent Document 1, the rice husk supplied into the hopper is introduced into the casing through the rice husk supply pipe by the suction force of the blower, and is pulverized by the rotary blade in the casing and the fixed blade engaged therewith, There is described a rice husk pulverizer that is sent to the atmosphere by a blower through a duct connected to a casing.
Further, in Patent Document 2, a pulverization case is continuously connected through a charging shutter provided in contact with a lower opening of a supply hopper that temporarily stores the raw rice husk. Rotating the crushing rotary blade in the crushing case at high speed while maintaining a state maintaining an appropriate ratio, crushing the rice husk, then opening the discharge shutter provided at the bottom of the crushing case and crushing the rice husk with the assistance of the crushing rotary blade A rice husk pulverizer is disclosed.
籾殻は、稲作のシリカ分の重要な補給肥料として再利用されるが、籾殻をそのまま田圃に撒いてもシリカを多く含んだ強固な殻で構成されているため、土中で腐敗が非常にゆっくりしか進行しない。
田圃の利用効率の関係から、最近は籾殻をそのままの形状でシリカ補給肥料として再利用されることが少なくなった。
籾殻の腐敗を進行させるためには、籾殻の表面に傷を付けたり、折ったりするなど、籾殻の状態に少しの変化を与える処理で十分であるが、特許文献１の籾殻粉砕装置や特許文献２の籾殻粉砕機のような従来の籾殻処理の装置は粉砕して粉末化する方式であり、必要以上に籾殻を微細化してしまい、微粉となった籾殻の取り扱いが不便であった。
すなわち、必要以上に籾殻粉砕品の粒子サイズが細かく成り過ぎると、田圃に散布する場合、目的の場所以外に飛散したり、粉状態で再凝集し、塊となるなど、再利用する上で取扱いが煩雑であった。
籾殻そのままでは、土中で腐敗がほとんど進行しないが、籾殻を割ったり、折ったりして、本来の籾殻表皮とは別の組織面が出るような形に処理すれば、腐敗が進行し、粉状にするまでの細かいサイズに処理しなくても土中腐敗が進行することは農業関係者の間では以前より知られていた。
また、特許文献１の籾殻粉砕装置や特許文献２の籾殻粉砕機にあっては、回転刃を籾殻に直接衝突させて籾殻を破砕、細断し、粉砕する方式であったので、シリカ成分が多く含まれている籾殻によって回転刃の摩耗が進み、刃の交換を頻繁に行わねばならなかった。
そこで本発明は、籾殻を高速回転するカッター刃などに直接衝突させ、破砕、細断し、粉砕化する方式ではなく、プロペラ式の大きな羽根でケーシング内に８０ｍ／秒以上の風速を発生させ、回転羽根の風力で籾殻を外方のケーシングの円筒体に飛散させるとともにケーシングに設けた貫通孔を通過させて、貫通孔の縁で籾殻を折断するような形で小サイズ化する籾殻折断処理装置を提供することを目的とする。
また、本発明の他の目的は、回転刃、貫通孔が摩耗したとしても、折断処理した籾殻の粒子径、処理量に影響を与えない籾殻折断処理装置を提供することである。
Rice husk is reused as an important supplement fertilizer for the silica of rice cultivation, but even if the rice husks are laid on the rice field as they are, they are composed of strong husks containing a lot of silica, so the rot in the soil is very slow. Only progress.
In recent years, rice husks have been re-used as silica supplement fertilizer in the same shape because of the utilization efficiency of rice fields.
In order to proceed with the rot of rice husk, a process that slightly changes the state of the rice husk, such as scratching or folding the surface of the rice husk, is sufficient. The conventional rice husk pulverizer, such as No. 2 rice husk grinder, is a method of pulverizing and pulverizing, and the rice husk is refined more than necessary, and handling of the rice husk that has become fine powder is inconvenient.
In other words, if the grain size of the rice husk pulverized product becomes too fine than necessary, when it is sprayed on the rice field, it is handled for reuse, such as being scattered outside the target location, re-aggregated in a powder state, and becoming a lump. Was cumbersome.
If the rice husk remains as it is, the rot hardly progresses in the soil, but if the rice husk is cracked or broken and processed so that a textured surface different from the original husk epidermis appears, the rot will progress and the powder will fall. It has been known for a long time among agricultural personnel that soil rot progresses without processing into a fine size until it is shaped.
In addition, the rice husk pulverizer of Patent Document 1 and the rice husk pulverizer of Patent Document 2 are systems in which the rotary blade is directly collided with the rice husk to crush, shred, and grind the rice husk. The husks contained in a lot contained the blades, and the blades had to be replaced frequently.
Therefore, the present invention is not a method of directly colliding, crushing, chopping, and pulverizing the rice husk with a cutter blade that rotates at high speed, but generates a wind speed of 80 m / second or more in the casing with a large propeller type blade. A rice husk breaking treatment device that reduces the size of the rice husk by the wind force of the rotating blades and scatters to the cylindrical body of the outer casing and passes through the through hole provided in the casing to break the rice husk at the edge of the through hole. The purpose is to provide.
Another object of the present invention is to provide a rice husk breakage treatment apparatus that does not affect the particle diameter and processing amount of the broken rice husk even if the rotary blade and the through hole are worn.
（１）本発明の籾殻折断処理装置は、試料供給口から供給される籾殻を半径方向外方に飛散させる籾殻処理部を備え、該籾殻処理部は、ケーシング内に、円筒壁に千鳥形状となるように穴径１０〜２５ｍｍの貫通孔を複数形成した円筒状のスクリーンと、該スクリーン内に、上辺が内側に配置されるとともに前記上辺よりも大きな下辺が外側に配置される台形状の板体で構成された回転板を放射状に取付け回転可能に軸支した回転体とが配設され、試料投入口から投入された籾殻を、周速４０〜１２０ｍ／秒で回転する前記回転板の風圧でその長手方向が風流に沿って揃えられて当該籾殻が飛散するように前記スクリーンの円筒壁に飛散させるとともに、前記回転する回転体の半径方向最外周部が前記スクリーンの内壁と接触しないように近接対面させて当該飛散した籾殻を前記貫通孔へ通過させて前記半径方向最外周部と前記貫通孔との協働で折断作用及び流体剪断作用によって当該籾殻を折断して小サイズ化しながら前記ケーシング内の排出路に排出し、前記排出された籾殻を排出口から前記ケーシングの外に送出するようにしたことを特徴とする。
（２）本発明の籾殻折断処理方法は、上記（１）に記載の籾殻折断処理装置を用いた籾殻折断処理方法であって、前記籾殻折断処理装置は籾殻を半径方向外方に飛散させる籾殻処理部を備え、該籾殻処理部は、ケーシング内に、円筒壁に千鳥形状となるように穴径１０〜２５ｍｍの貫通孔を複数形成した円筒状のスクリーンと、該スクリーン内に、上辺が内側に配置されるとともに前記上辺よりも大きな下辺が外側に配置される台形状の板体で構成された回転板を放射状に取付け回転可能に軸支した回転体とが配設され、試料投入口から投入された籾殻を、周速４０〜１２０ｍ／秒で回転する前記回転板の風圧でその長手方向が風流に沿って揃えられて当該籾殻が飛散するように前記スクリーンの円筒壁に飛散させるとともに、前記回転する回転体の半径方向最外周部が前記スクリーンの内壁と接触しないように近接対面させて当該飛散した籾殻を前記貫通孔へ通過させて前記半径方向最外周部と前記貫通孔との協働で折断作用及び流体剪断作用によって当該籾殻を折断して小サイズ化しながら前記ケーシング内の排出路に排出し、前記排出された籾殻を排出口から前記ケーシングの外に送出するようにしたことを特徴とする。
(1) The rice husk breaking processing apparatus of the present invention includes a rice husk processing unit that scatters the rice husk supplied from the sample supply port radially outward. The rice husk processing unit has a zigzag shape on the cylindrical wall in the casing. A cylindrical screen in which a plurality of through-holes having a hole diameter of 10 to 25 mm are formed, and a trapezoidal plate in which an upper side is arranged inside and a lower side larger than the upper side is arranged outside And a rotating body that is rotatably mounted on a rotating plate that is configured to support the rotation of the rotating plate, and the wind pressure of the rotating plate that rotates at a peripheral speed of 40 to 120 m / sec. The longitudinal direction is aligned along the wind flow so that the rice husks are scattered and scattered on the cylindrical wall of the screen, and the radially outermost peripheral portion of the rotating rotating body is not in contact with the inner wall of the screen. Near So as to face with the chaff that the scattered passed into the through hole wherein the radial outermost portion and the by Oridan action and fluid shear in cooperation with the through hole to Oridan the chaff and small-sized while in the casing and discharged to the discharge path, characterized in that the said ejected chaff from the discharge port to be transmitted to the outside of the casing.
( 2 ) A rice husk breaking treatment method according to the present invention is a rice husk breaking treatment method using the rice husk breaking treatment device according to (1), wherein the rice husk breaking treatment device scatters the rice husks radially outward. The rice husk processing unit includes a cylindrical screen in which a plurality of through holes having a hole diameter of 10 to 25 mm are formed in a cylindrical wall so as to form a staggered shape in the casing, and the upper side is the inner side in the screen. And a rotating body that is rotatably supported by a rotating plate composed of a trapezoidal plate having a lower side larger than the upper side arranged on the outside. The thrown rice husk is scattered on the cylindrical wall of the screen so that the longitudinal direction is aligned along the wind current by the wind pressure of the rotating plate rotating at a peripheral speed of 40 to 120 m / sec, and the rice husk is scattered , Rotate The radial outermost portion of the rotating body is brought close face so as not to contact the inner wall of the screen and the scattered chaff passed into the through hole Oridan in cooperation with said radial outermost portion and the through hole and Oridan the chaff is discharged to the discharge path in the casing with a small size by the action and fluid shear, and wherein the ejected chaff from the outlet it has to be delivered to the outside of the casing .
本発明によれば、試料投入口に投入された籾殻を、回転板の風圧でスクリーンの円筒壁に飛散させるとともに貫通孔を通過させて籾殻を折断処理するため、必要以上に籾殻のサイズが細かくなりすぎず、回転板の摩耗も少なく籾殻処理作業を短時間で効率良く実行することができる。
また、本発明によれば、さらに、籾殻の残留水分（乾燥度）や大きさ等に応じて、回転板の回転速度を調節することができるため、籾殻処理作業を柔軟に対応することができる。
According to the present invention, the chaff is thrown into the cylindrical wall of the screen by the wind pressure of the rotating plate and the chaff is broken by passing through the through hole, so that the chaff size is finer than necessary. Therefore, the rice husk processing operation can be efficiently performed in a short time with little wear of the rotating plate.
Further, according to the present invention, since the rotation speed of the rotating plate can be adjusted according to the residual moisture (dryness), size, etc. of the rice husk, the rice husk processing operation can be flexibly handled. .
＜実施形態＞
本発明に係る実施形態の籾殻折断処理装置を図面を用いて説明する。
図１は籾殻折断処理装置の正面図、図２は平面図、図３は左側面図、図４は右側面図である。
<Embodiment>
DESCRIPTION OF EMBODIMENTS A rice husk breaking processing device according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a rice husk breaker, FIG. 2 is a plan view, FIG. 3 is a left side view, and FIG. 4 is a right side view.
図１〜図４に示すように、籾殻折断処理装置１０は、それを設置する架台１１と、正面に試料投入口１２、上部に折断品排出口１３、籾殻の折断処理部を構成するケーシング１４、ケーシング１４の側面に設けられベルトなどを介して連結された電動モー タなどの駆動機構１５を備えている。 As shown in FIGS. 1 to 4, a rice husk breaking processing apparatus 10 includes a gantry 11 on which the husk breaking processing device 10 is installed, a sample insertion port 12 on the front surface, a broken product discharge port 13 on the upper side, and a casing 14 constituting a rice husk breaking processing unit. And a drive mechanism 15 such as an electric motor provided on a side surface of the casing 14 and connected via a belt or the like.
図５は、実施形態の籾殻折断処理部を構成するスクリーンの概略図であり、（ａ）は左側面図、（ｂ）は正面図、（ｂ）は右側面図である。
図６は籾殻折断処理部を構成する回転体の概略図であり、（ａ）は左側面図、（ｂ）は正面図、（ｂ）は右側面図である。
図５に示すように、スクリーン１７は、底及び蓋部分が開口された例えばステンレス製の円筒であり、その円筒壁には、穴径が約１０〜２５ｍｍの貫通孔１６がそれぞれの間隙を保って多数形成されている。
貫通孔の穴径が１０ｍｍ未満では、折断処理が過度に進行し、処理品の大きさが小さく成り過ぎ、処理効率が悪くなる。また、籾殻が水分を含んでいる場合に貫通孔１６が目詰まりしやすい。穴径が２５ｍｍを超えると、処理されずに通過する籾殻が多数発生するおそれがある。
図５では、貫通孔の面積を多くするため、その配置は千鳥形状としているが、図ではその一部を省略して記載している。
FIG. 5 is a schematic view of a screen constituting the rice husk smashing processing unit of the embodiment, where (a) is a left side view, (b) is a front view, and (b) is a right side view.
6A and 6B are schematic views of a rotating body constituting the rice husk breaking processing unit, where FIG. 6A is a left side view, FIG. 6B is a front view, and FIG. 6B is a right side view.
As shown in FIG. 5, the screen 17 is, for example, a stainless steel cylinder having an open bottom and a lid portion. A through hole 16 having a hole diameter of about 10 to 25 mm maintains a gap in the cylindrical wall. Many are formed.
If the hole diameter of the through hole is less than 10 mm, the cutting process proceeds excessively, the size of the processed product becomes too small, and the processing efficiency deteriorates. Moreover, when the rice husk contains moisture, the through hole 16 is easily clogged. If the hole diameter exceeds 25 mm, a large number of rice husks that pass without being treated may be generated.
In FIG. 5, in order to increase the area of the through-hole, the arrangement is staggered, but in the drawing, a part thereof is omitted.
スクリーン１７の円筒壁は、例えばステンレス板などを巻き回して周端を接続してパイプとすることができる。スクリーン１７の開口部分の一方の周囲には取付リング１７ａが設けられており、ケーシング１４へボルトにより固着されている。
なお、貫通孔１６の形状は、丸穴以外の四角、三角形状としてもよい。
The cylindrical wall of the screen 17 can be formed as a pipe by winding a stainless steel plate or the like and connecting the peripheral ends. A mounting ring 17a is provided around one of the openings of the screen 17 and is fixed to the casing 14 with bolts.
Note that the shape of the through hole 16 may be a square or a triangle other than the round hole.
また、籾殻折断処理装置１０のケーシング１４内には、複数の貫通孔１６が円筒壁の回りに形成された円筒状のスクリーン１７が配設されている。
さらに、スクリーン１７内には、回転軸２１に軸支され半径方向に放射状に延びる複数の回転板２２が取付けられた回転体２０が回転可能に配設されている。
図６では、台形状の板体の回転板２２が８枚の場合を示しているが、回転板２２の形状や枚数は限定されるものではなく、籾殻の処理量や籾殻折断処理装置の大きさ等によって適宜な形状や枚数が配置される。
また、回転板２２の半径方向最外周部２３の形状は、図６ではスクリーン１７の円筒壁の形状に合わせて直線状に形成されているが、スクリーン１７の円筒壁と適切な間隔を保つように適宜決定される。実施形態ではその間隔を４〜５ｍｍとしている。
In addition, a cylindrical screen 17 in which a plurality of through holes 16 are formed around the cylindrical wall is disposed in the casing 14 of the rice husk breaker 10.
Further, in the screen 17, a rotating body 20 is rotatably provided with a plurality of rotating plates 22 attached to the rotating shaft 21 and extending radially in the radial direction.
FIG. 6 shows a case where the number of the trapezoidal plate-like rotating plates 22 is eight, but the shape and number of the rotating plates 22 are not limited, and the amount of rice husk processing and the size of the rice husk breaking processing device are not limited. An appropriate shape and number are arranged depending on the size and the like.
Further, in FIG. 6, the shape of the outermost peripheral portion 23 in the radial direction of the rotating plate 22 is formed linearly in accordance with the shape of the cylindrical wall of the screen 17, but an appropriate distance from the cylindrical wall of the screen 17 is maintained. Is determined as appropriate. In the embodiment, the interval is 4 to 5 mm.
スクリーン１７内での回転体２０の回転速度は、原料の籾殻の種類や水分量、処理量などによって異なるが、例えば周速４０〜１２０ｍ／秒とし、さらに好ましくは７０〜１００ｍ／秒とする。周速が４０ｍ／秒未満では籾殻を十分処理できず、１２０ｍ／秒を超える周速では、特別のモータまたは増速機構などが必要となりコストアップにつながるからである。 The rotational speed of the rotator 20 in the screen 17 varies depending on the type of rice husk, the amount of moisture, the amount of processing, etc., but is, for example, a peripheral speed of 40 to 120 m / second, and more preferably 70 to 100 m / second. This is because if the peripheral speed is less than 40 m / sec, the rice husk cannot be sufficiently processed, and if the peripheral speed exceeds 120 m / sec, a special motor or a speed increasing mechanism is required, leading to an increase in cost.
籾殻折断処理装置１０には、スクリーンの外周側（ケーシングとの間）に排出路１４ａと、スクリーンの内周側に籾殻処理部１７ｂとが形成されている。
図７に示すように、試料投入口１２から投入された籾殻Ｍ０は、籾殻処理部１７ｂ内において、高速回転する回転体２０の多数の回転板２２によって瞬間的な風圧作用を受けて、
周辺のスクリーン１７の円筒壁に飛散させられる。そして、籾殻は、円筒壁の貫通孔１６を通過する。
このとき、図８に示すように、貫通孔１６の穴径Ｌ０は籾殻の長径Ｌ１よりも大きめに設計されているので、通過できるようになっている。
なお、高速回転する回転体２０の風圧作用により、籾殻Ｍ０はその長手方向が風流に沿って揃えられて飛散するようになり、その先端部（図７（ｂ）の場合）又は中間部（図７（ｃ）の場合）が貫通孔１６の縁（ふち）に衝突して、籾殻Ｍ０の長手方向に直角方向で折断並びに貫通孔１６を通過する際の流体剪断作用によって小サイズ化された籾殻Ｍ１となるとともに、籾殻Ｍ１の折断面Ｓが露出される。
これにより、貫通孔１６を通過してケーシングに排出された籾殻のサイズは、土中に埋設した時に腐敗が進行するのに必要なサイズにすることができ、露出された籾殻Ｍ１折断面Ｓから水分が容易に吸収されて土中での腐敗も促進される。
In the rice husk breaking processing device 10, a discharge path 14a is formed on the outer peripheral side (between the casing) of the screen, and a rice husk processing portion 17b is formed on the inner peripheral side of the screen.
As shown in FIG. 7, the rice husk M0 introduced from the sample inlet 12 is subjected to an instantaneous wind pressure action by a large number of rotating plates 22 of the rotating body 20 rotating at high speed in the rice husk processing unit 17b.
It is scattered on the cylindrical wall of the surrounding screen 17. The rice husk passes through the through-hole 16 in the cylindrical wall.
At this time, as shown in FIG. 8, the hole diameter L0 of the through hole 16 is designed to be larger than the long diameter L1 of the rice husk, so that it can pass through.
By the wind pressure action of the rotating body 20 rotating at high speed, the rice husk M0 has its longitudinal direction aligned along the wind flow and scattered, and its tip part (in the case of FIG. 7B) or intermediate part (see FIG. 7 (c)) collides with the edge (edge) of the through-hole 16, breaks in the direction perpendicular to the longitudinal direction of the rice husk M0, and is reduced in size by the fluid shearing action when passing through the through-hole 16 At the same time as M1, the folded cross section S of the chaff M1 is exposed.
Thereby, the size of the rice husk which passed through the through-hole 16 and was discharged | emitted by the casing can be made into a size required for decay when it embed | buries in soil, From the exposed rice husk M1 folding cross section S Moisture is easily absorbed and decay in the soil is promoted.
また、回転体２０の回転板２１の半径方向最外周部２３は、その最外周軌道面がスクリーン１７の内壁に対して約４〜５ｍｍ程度の間隔を有している。
風圧作用を受けて飛散した籾殻Ｍ０は、この約４〜５ｍｍ程度の間隔の空間に蓄積し、スクリーン１７の内壁に近接対面するよう回転中心より放射状に配設された回転板２２の半径方向最外周部２３と貫通孔１６の縁に衝突するときの折断作用並びに貫通孔を通過する際の流体剪断作用によって、折断され、貫通孔１６から排出される。
Further, the radially outermost circumferential portion 23 of the rotating plate 21 of the rotating body 20 has an outermost circumferential raceway surface having an interval of about 4 to 5 mm with respect to the inner wall of the screen 17.
The rice husk M0 scattered by the wind pressure action accumulates in a space of about 4 to 5 mm, and the radial direction of the rotating plate 22 arranged radially from the center of rotation so as to face the inner wall of the screen 17 is faced. The material is broken and discharged from the through hole 16 by the breaking action when colliding with the outer peripheral portion 23 and the edge of the through hole 16 and the fluid shearing action when passing through the through hole.
＜実施形態の装置の効果＞
本発明の実施形態の籾殻折断処理装置は、ケーシング１４内に、多数の貫通孔１６が円筒壁に形成された円筒状のスクリーン１７を配設し、該スクリーン１７内に、円周方向に所定間隔を存して回転中心より放射状に複数の回転板２２が設けられた回転体２０を備えてなる籾殻折断処理装置と、回転板２２とスクリーン１７の貫通孔１６との協働によって、ケーシング１４内の籾殻Ｍ０を折断処理して排出路１４ａへ排出すべく構成したことにより、元の籾殻Ｍ０のサイズよりも小さいサイズの籾殻Ｍ１とすることができる。
<Effect of the apparatus according to the embodiment>
In the rice hull breaking processing apparatus according to the embodiment of the present invention, a cylindrical screen 17 having a large number of through holes 16 formed in a cylindrical wall is disposed in a casing 14, and a predetermined circumferentially direction is provided in the screen 17. By the cooperation of the rice husk breaking processing device including the rotating body 20 provided with a plurality of rotating plates 22 radially from the center of rotation at intervals, and the rotating plate 22 and the through-hole 16 of the screen 17, the casing 14. By configuring the inner rice husk M0 to be cut and discharged to the discharge passage 14a, the rice husk M1 having a size smaller than the size of the original rice husk M0 can be obtained.
すなわち、本実施形態の籾殻折断処理装置１０は以下に示す効果を有する。
（ａ）回転体２０の回転板２２の半径方向最外周部２３とスクリーン１７の貫通孔１６との協働で、籾殻Ｍ０が貫通孔１６を通過する際の貫通孔１６の縁での衝突及び流体的剪断作用による折断処理するため、短時間で籾殻の小サイズ化にすることができる。
（ｂ）回転板２２をスクリーン１７に対して非接触としたため、回転板２２が回転した際に、摩擦により回転板２２やスクリーン１７が短時間で摩耗することはなく、回転板２２及びスクリーン１７の寿命を長くすることができる。
That is, the rice husk breaking processing apparatus 10 of the present embodiment has the following effects.
(A) Collision at the edge of the through-hole 16 when the rice husk M0 passes through the through-hole 16 by the cooperation of the radially outermost peripheral portion 23 of the rotating plate 22 of the rotating body 20 and the through-hole 16 of the screen 17; Since the breaking process is performed by the fluid shearing action, the size of the rice husk can be reduced in a short time.
(B) Since the rotating plate 22 is not in contact with the screen 17, when the rotating plate 22 rotates, the rotating plate 22 and the screen 17 are not worn in a short time due to friction, and the rotating plate 22 and the screen 17 are not worn. Can extend the lifetime of
＜システム全体＞
なお、図８に示すように、籾殻折断処理装置は、実施形態の籾殻折断処理装置に加えて、籾すり機からの原料籾殻Ｍ０を一旦蓄積し、籾すり機からの送風の影響を籾殻折断処理装置に与えないためのサイクロン３０と、折断処理された籾殻Ｍ１を回収する折断品回収容器３１と、折断処理時に発生し、籾殻Ｍ１の回収用サイクロン３２で捕集できない微粉を取り除くバグフィルタ３３が備えられている。
<Entire system>
In addition, as shown in FIG. 8, in addition to the rice husk breaking processing device of the embodiment, the rice husk breaking processing device temporarily accumulates the raw rice husk M0 from the rice huller, and the effect of the air blow from the rice huller is broken. Cyclone 30 not to be supplied to the processing apparatus, a broken product collection container 31 for collecting the broken rice husk M1, and a bug filter 33 that removes fine powder that is generated during the breaking process and cannot be collected by the cyclone 32 for collecting rice husk M1. Is provided.
本発明の籾殻折断処理装置は、試料投入口に投入された籾殻を、回転板の風圧でスクリーンの円筒壁に飛散させるとともに貫通孔を通過させて籾殻を折断処理するため、田圃の土中で籾殻の腐敗が進行する上で必要なサイズの籾殻が得られる。必要以上に細かくなりすぎないため、回転板の摩耗も少なく籾殻処理作業を短時間で効率良く、大量に実行することができる。
また、籾殻の水分や大きさ等に応じて、回転板の回転速度を調節することができるため、籾殻折断処理作業を柔軟に対応することができるので、産業上の利用可能性が高い。
The rice husk breaking treatment apparatus of the present invention is used in the soil of rice fields to scatter the rice husk thrown into the sample inlet to the cylindrical wall of the screen by the wind pressure of the rotating plate and pass the through hole to break the rice husk. A rice husk of the required size can be obtained as the husk rot progresses. Since it is not too fine as necessary, the wear of the rotating plate is small, and the rice husk processing operation can be carried out efficiently and in large quantities in a short time.
Further, since the rotation speed of the rotating plate can be adjusted according to the moisture, size, etc. of the rice husk, the rice husk breaking processing operation can be flexibly handled, so that the industrial applicability is high.
１０ 籾殻折断処理装置
１１ 架台
１２ 試料投入口
１３ 折断品排出口
１４ ケーシング
１４ａ 排出路
１５ 駆動機構
１６ 貫通孔
１７ スクリーン
１７ａ 取付リング
１７ｂ 籾殻処理部
２０ 回転体
２１ 回転軸
２２ 回転板
２３ 回転板２１の半径方向最外周部
３０ サイクロン
３１ 折断品回収容器
３２ 回収用サイクロン
３３ バグフィルタ
Ｍ０ 籾殻
Ｌ０ 貫通孔１６の穴径
Ｌ１ 籾殻の長径
Ｍ１ 小サイズ化された籾殻
Ｓ 籾殻Ｍ１の折断面
DESCRIPTION OF SYMBOLS 10 Rice husk breaking processing apparatus 11 Base 12 Sample inlet 13 Broken product outlet 14 Casing 14a Discharge path 15 Drive mechanism 16 Through-hole 17 Screen 17a Mounting ring 17b Rice husk processing part 20 Rotating body 21 Rotating shaft 22 Rotating plate 23 Rotating plate 23 Radial outermost part 30 Cyclone 31 Fractured product collection container 32 Cyclone for collection 33 Bag filter M0 Rice husk L0 Hole diameter L1 of rice husk long diameter M1 Small sized rice husk S Folded cross section of rice husk M1
Claims (2)
該籾殻処理部は、ケーシング内に、円筒壁に千鳥形状となるように穴径１０〜２５ｍｍの貫通孔を複数形成した円筒状のスクリーンと、
該スクリーン内に、上辺が内側に配置されるとともに前記上辺よりも大きな下辺が外側に配置される台形状の板体で構成された回転板を放射状に取付け回転可能に軸支した回転体とが配設され、
試料投入口から投入された籾殻を、周速４０〜１２０ｍ／秒で回転する前記回転板の風圧でその長手方向が風流に沿って揃えられて当該籾殻が飛散するように前記スクリーンの円筒壁に飛散させるとともに、前記回転する回転体の半径方向最外周部が前記スクリーンの内壁と接触しないように近接対面させて当該飛散した籾殻を前記貫通孔へ通過させて前記半径方向最外周部と前記貫通孔との協働で折断作用及び流体剪断作用によって当該籾殻を折断して小サイズ化しながら前記ケーシング内の排出路に排出し、前記排出された籾殻を排出口から前記ケーシングの外に送出するようにしたことを特徴とする籾殻折断処理装置。 It has a rice husk processing part that scatters rice husks radially outward,
The rice husk processing part has a cylindrical screen in which a plurality of through-holes having a hole diameter of 10 to 25 mm are formed in the casing so as to form a staggered shape in the casing,
In the screen, there is a rotating body that is rotatably mounted with a rotating plate that is configured by a trapezoidal plate body in which an upper side is arranged on the inner side and a lower side larger than the upper side is arranged on the outer side. Arranged,
The rice husk introduced from the sample inlet is placed on the cylindrical wall of the screen so that the longitudinal direction is aligned along the wind current by the wind pressure of the rotating plate rotating at a peripheral speed of 40 to 120 m / sec. The outer periphery in the radial direction of the rotating rotating body is faced so as not to come into contact with the inner wall of the screen, and the scattered rice husk is passed through the through-hole to pass through the outermost periphery in the radial direction and the through hole. so that by Oridan the chaff by Oridan action and fluid shear in cooperation with the hole is discharged to the discharge path in the casing while size reduction, sent to the outside of the casing the ejected chaff from the outlet A rice husk breaking processing device characterized by that.
前記籾殻折断処理装置は籾殻を半径方向外方に飛散させる籾殻処理部を備え、
該籾殻処理部は、ケーシング内に、円筒壁に千鳥形状となるように穴径１０〜２５ｍｍの貫通孔を複数形成した円筒状のスクリーンと、
該スクリーン内に、上辺が内側に配置されるとともに前記上辺よりも大きな下辺が外側に配置される台形状の板体で構成された回転板を放射状に取付け回転可能に軸支した回転体とが配設され、
試料投入口から投入された籾殻を、周速４０〜１２０ｍ／秒で回転する前記回転板の風圧でその長手方向が風流に沿って揃えられて当該籾殻が飛散するように前記スクリーンの円筒壁に飛散させるとともに、前記回転する回転体の半径方向最外周部が前記スクリーンの内壁と接触しないように近接対面させて当該飛散した籾殻を前記貫通孔へ通過させて前記半径方向最外周部と前記貫通孔との協働で折断作用及び流体剪断作用によって当該籾殻を折断して小サイズ化しながら前記ケーシング内の排出路に排出し、前記排出された籾殻を排出口から前記ケーシングの外に送出するようにしたことを特徴とする籾殻折断処理方法。 A rice husk breaking treatment method using the rice husk breaking treatment device according to claim 1,
The rice husk breaking processing device includes a rice husk processing unit that scatters rice husks radially outward,
The rice husk processing part has a cylindrical screen in which a plurality of through-holes having a hole diameter of 10 to 25 mm are formed in the casing so as to form a staggered shape in the casing,
In the screen, there is a rotating body that is rotatably mounted with a rotating plate that is configured by a trapezoidal plate body in which an upper side is arranged on the inner side and a lower side larger than the upper side is arranged on the outer side. Arranged,
The rice husk introduced from the sample inlet is placed on the cylindrical wall of the screen so that the longitudinal direction is aligned along the wind current by the wind pressure of the rotating plate rotating at a peripheral speed of 40 to 120 m / sec. The outer periphery in the radial direction of the rotating rotating body is faced so as not to come into contact with the inner wall of the screen, and the scattered rice husk is passed through the through-hole to pass through the outermost periphery in the radial direction and the through hole. so that by Oridan the chaff by Oridan action and fluid shear in cooperation with the hole is discharged to the discharge path in the casing while size reduction, sent to the outside of the casing the ejected chaff from the outlet A rice husk smashing method characterized by that.
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