JP6283789B1 - Agitation apparatus and compost production apparatus using the same - Google Patents

Agitation apparatus and compost production apparatus using the same Download PDF

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JP6283789B1
JP6283789B1 JP2016201292A JP2016201292A JP6283789B1 JP 6283789 B1 JP6283789 B1 JP 6283789B1 JP 2016201292 A JP2016201292 A JP 2016201292A JP 2016201292 A JP2016201292 A JP 2016201292A JP 6283789 B1 JP6283789 B1 JP 6283789B1
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stirring
rotating shaft
boom
stirring blade
fermenter
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加藤 良一
良一 加藤
聡 荒木
聡 荒木
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ティーエス環境株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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Abstract

【課題】 堆積高さが大きな発酵槽でも使用可能で、水平方向、鉛直方向の両方で原料の撹拌が可能な攪拌装置と、それを用いた堆肥製造装置を提供する。【解決手段】 上方が開放された隔壁からなる発酵槽の上に、発酵槽の縦横の少なくとも一方に移動可能なフレームを設置し、前記フレームに設けられた回転軸に軸支され、先端が発酵槽の底部付近に到達するように設けられたブームの、先端部及び先端と回転軸のほぼ中間の部分に、二つの回転軸を設け、二つ回転軸のそれぞれの周方向および長さ方向に一定の間隔で撹拌羽根を取り付けて攪拌装置を構成する。二つの回転軸を相互に逆回転させ、それぞれの撹拌羽根の一方に撹拌対象物を鉛直方向に撹拌する機能を付与し、他方の撹拌羽根に撹拌対象物を水平方向に撹拌する機能を付与することで、効率的な撹拌を可能とする。【選択図】図1PROBLEM TO BE SOLVED: To provide a stirrer capable of being used in a fermenter having a large deposition height and capable of stirring raw materials both in a horizontal direction and a vertical direction, and a compost production apparatus using the stirrer. SOLUTION: A frame that can move in at least one of the vertical and horizontal directions of a fermenter is installed on a fermenter composed of a partition wall that opens upward, and is pivotally supported by a rotating shaft provided in the frame. Two booms are provided at the tip of the boom that is provided to reach the bottom of the tank, and the middle part between the tip and the axis of rotation, and in the circumferential direction and length direction of the two axes of rotation. A stirrer is configured by attaching stirring blades at regular intervals. The two rotating shafts are rotated reversely to each other, and a function of stirring the stirring object in the vertical direction is given to one of the stirring blades, and a function of stirring the stirring object in the horizontal direction is given to the other stirring blade. This enables efficient stirring. [Selection] Figure 1

Description

本発明は、各種の有機資源廃棄物を発酵させて、堆肥化するための攪拌装置とそれを用いた堆肥製造装置に関わるもので、特に原料の堆積高さが1.5mを超える規模の堆肥製造装置に適した攪拌装置に関する。  The present invention relates to a stirrer for fermenting various organic resource wastes and composting them, and a compost production apparatus using the same, and in particular, compost having a raw material deposition height exceeding 1.5 m. The present invention relates to a stirring device suitable for a manufacturing apparatus.

堆肥は、堆積させた有機物を微生物によって分解して得られる肥料であり、その原料としては、落葉、家畜の***物、野菜くずなどの食品廃棄物、下水処理で生じる汚泥などが挙げられる。そして、堆肥はその機能、つまり、堆肥に含まれる腐植質による土壌を団粒化の促進、堆肥に含まれる微生物やミミズの増殖による病害虫菌の抑制、堆肥に含まれる多種多様な物質による、化学変化に対する緩衝作用などが注目され、従来の化学肥料一辺倒の農業に一石を投じているばかりでなく、食の安全性向上や環境への負荷低減を目的とした、有機農業の普及に寄与している。  Compost is a fertilizer obtained by decomposing deposited organic matter with microorganisms. Examples of the raw material include fallen leaves, livestock excrement, food waste such as vegetable waste, and sludge generated by sewage treatment. Compost is a chemical substance that promotes the agglomeration of soil due to the humic substances contained in compost, suppresses pests by the growth of microorganisms and earthworms contained in compost, and a wide variety of substances contained in compost. The buffer action against change is attracting attention, and not only has been invested in the traditional agriculture of chemical fertilizers, but also contributes to the spread of organic agriculture for the purpose of improving food safety and reducing environmental impact Yes.

堆肥の製造は、生ごみの減量と家庭菜園への施肥を目的に、近年は家庭でも行われることがあり、これに特化した、堆肥製造用容器や発酵促進剤が市販されている。また、前記の有機資源廃棄物を大量に収集し、工業的に堆肥化することも行われている。  Manufacture of compost is sometimes carried out at home recently for the purpose of reducing garbage and fertilizing the kitchen garden, and specialized compost production containers and fermentation accelerators are commercially available. In addition, a large amount of the organic resource waste is collected and industrially composted.

工業的な堆肥製造装置としては、主に鉄筋コンクリートからなる隔壁で構成された貯槽に、数トンないし数十トンの原料を堆積し、微生物の作用で発酵を促進するという形式のものが多用されていて、水分の調整を目的に、おが屑などを添加することもある。そして生産性を向上するには、処理量の増加が不可欠であるが、堆積高さを増加すると、原料が自重で圧縮され固まってしまうことがあるので、微生物の活動に必要な酸素の、内部への供給が絶たれてしまうことを防いだり、適正な水分量を保持したりするため、適度に攪拌することが必要となる。  Industrial compost production equipment is often used in which a raw material of several tons to several tens of tons is deposited in a storage tank mainly composed of reinforced concrete and promotes fermentation by the action of microorganisms. In addition, sawdust and the like may be added for the purpose of adjusting moisture. In order to improve productivity, it is indispensable to increase the throughput, but if the deposition height is increased, the raw material may be compressed and solidified by its own weight. In order to prevent the supply to the water from being cut off or to maintain an appropriate amount of water, it is necessary to stir appropriately.

このような課題に対処するための装置として、特許文献1には、一対の鉛直方向の回転軸を有するスクリューを相互に逆方向に回転させ、水平方向に発酵槽内を移動可能とした発酵攪拌処理装置が開示されている。これは、小型で攪拌が十分に行えることが期待できるが、運転時間が長くかかる難点があり改善の余地がある。  As an apparatus for coping with such a problem, Patent Document 1 discloses a fermenting agitation in which a screw having a pair of vertical rotating shafts is rotated in opposite directions to move in a fermenter in a horizontal direction. A processing device is disclosed. This can be expected to be small and sufficiently stirred, but there is a problem that it takes a long operation time and there is room for improvement.

また、特許文献2には、スクープを多数設けた長円状のベルトコンベヤを縦に支持したスクープ式切換し機を混合槽に移動可能に配置し、ベルトコンベヤの下方部が進行方向側、上方部が進行方向反対側に位置するように傾けた状態でベルトコンベヤを回転させ、さらに上記ベルトコンベヤを支持したままでスクープ式切換し機を混合槽の長手方向に沿って移動させることにより、大量の発酵原料を均一かつ効率的に攪拌、混合する装置が提案されているが、高水分の原料の場合、粉砕までの期間がかかる為、早い段階での発酵の立上りに難点があり、改善の余地がある。  In Patent Document 2, a scoop type switching machine that vertically supports an ellipse belt conveyor provided with a large number of scoops is movably disposed in a mixing tank, and the lower part of the belt conveyor is located at the upper side in the traveling direction. By rotating the belt conveyor while tilting so that the section is located on the opposite side of the traveling direction, and further moving the scoop type switching machine along the longitudinal direction of the mixing tank while supporting the belt conveyor, Although a device that uniformly and efficiently stirs and mixes fermentation raw materials has been proposed, in the case of high-moisture raw materials, it takes time to grind, so there is a difficulty in the start of fermentation at an early stage, There is room.

特開2007−283158号公報  JP 2007-283158 A 特開平11−57442号公報  Japanese Patent Laid-Open No. 11-57442

本発明の課題は、堆積高さが高い発酵槽でも使用可能で、水平方向、鉛直方向の両方で原料の攪拌をすることができ、攪拌対象物を粉砕し、堆肥の発酵速度を早めることが可能な攪拌装置と、それを用いた堆肥製造装置を提供することにある。  The problem of the present invention is that it can be used even in a fermenter with a high deposition height, can stir the raw material both in the horizontal direction and in the vertical direction, pulverize the stirring object, and increase the fermentation rate of compost. An object of the present invention is to provide a possible stirring device and a compost production device using the stirring device.

本発明は、前記の課題解決のため、攪拌方向の異なる攪拌羽根を、複数用いることにて、堆積高さの高い発酵槽での攪拌を行える構造に構成することを検討した結果、なされたものである。  In order to solve the above-mentioned problems, the present invention has been made as a result of examining the construction of a structure capable of stirring in a fermenter with a high deposition height by using a plurality of stirring blades having different stirring directions. It is.

本発明は、上部に開放面を有する隔壁によって構成される発酵槽の、前記開放面の上方に設置されてなる、ほぼ直線状の軌条の上を移動するための手段を有するフレームと、前記フレームの進行方向とほぼ垂直な方向に、前記フレームに架設されてなる第一の回転軸と、前記回転軸に回動可能な状態で軸支されてなるブームと、前記ブームにおける先端部に前記ブームの長さ方向にほぼ垂直に設けられてなる第二の攪拌軸と、前記第二の攪拌軸の長さ方向及び周方向に一定間隔で取り付けられてなる複数の第一の攪拌羽根と、前記ブームにおける前記第一の回転軸と前記第二の攪拌軸との間に、前記ブームの長さ方向にほぼ垂直に設けられてなる第三の攪拌軸と、前記第三の攪拌軸の長さ方向及び周方向に一定間隔で取り付けられてなる複数の第二の攪拌羽根を有することを特徴とする攪拌装置である。The present invention includes a frame having means for moving on a substantially linear rail, which is installed above the open surface of a fermenter constituted by a partition wall having an open surface on the top, and the frame A first rotating shaft constructed on the frame in a direction substantially perpendicular to the traveling direction, a boom pivotally supported by the rotating shaft, and the boom at the tip of the boom A second stirring shaft provided substantially perpendicular to the length direction of the second stirring shaft, a plurality of first stirring blades attached at regular intervals in the length direction and the circumferential direction of the second stirring shaft, A third stirring shaft provided between the first rotating shaft and the second stirring shaft in the boom substantially perpendicular to the length direction of the boom; and a length of the third stirring shaft. Plural attached at regular intervals in the direction and circumferential direction A stirring device and having a second stirring blade.

また、本発明は、前記第一の攪拌羽根と前記第二の攪拌羽根の回転方向が逆方向であることを特徴とする前記の攪拌装置である。  Moreover, this invention is said stirring apparatus characterized by the rotation direction of said 1st stirring blade and said 2nd stirring blade being a reverse direction.

また、本発明は前記第一の攪拌羽根の先端が、回転方向に湾曲した形状を有し、攪拌の対象物を粉砕し、上方向に跳ね上げる機能を有することを特徴とする前記の攪拌装置である。  Further, in the present invention, the tip of the first stirring blade has a shape curved in the rotation direction, and has a function of pulverizing an object to be stirred and jumping upward. It is.

また、本発明は、前記第二の攪拌羽根が、棒状の部材の先端に板状の攪拌板を接合した形状であり、前記攪拌板と前記第二の攪拌羽根の回転方向とのなす角度が、前記第三の回転軸の中央部がほぼ垂直であり、中央部からほぼ同距離に配されて対をなす前記攪拌板が、前記第二の攪拌羽根の回転方向に開いた状態となる角度で、ほぼ対称に接合されている。また、前記第三の回転軸の外側に設けられた複数の前記第二の攪拌羽根は、前記第二の攪拌羽根の棒状の部材に傾斜をつけることにより、前記攪拌板の角度を変え、攪拌対象物が発酵槽の外に飛ぶことを抑制する機能を有することを特徴とする前記の攪拌装置である。In the present invention, the second stirring blade has a shape in which a plate-like stirring plate is joined to the tip of a rod-shaped member, and an angle formed between the stirring plate and the rotation direction of the second stirring blade is The angle at which the central part of the third rotating shaft is substantially vertical, and the stirring plates that are paired and arranged at substantially the same distance from the central part are opened in the rotational direction of the second stirring blade Therefore, they are joined almost symmetrically. Further, the plurality of second stirring blades provided outside the third rotating shaft change the angle of the stirring plate by inclining the rod-shaped member of the second stirring blade, thereby stirring the second stirring blade. It is the said stirring apparatus characterized by having a function which suppresses a target object flying out of a fermenter.

また、本発明は、上部に開放面を有する隔壁によって構成される発酵槽の、前記開放面の上方に、前記の攪拌装置を、設置してなることを特徴とする堆肥製造装置である。Moreover, this invention is a compost manufacturing apparatus characterized by installing the said stirring apparatus above the said open surface of the fermenter comprised by the partition which has an open surface in the upper part .

本発明の攪拌装置においては、発酵槽の上方の開放面に設けた軌条に沿って移動可能なフレームの間に、フレームの移動方向に垂直な方向に配置した回転軸に取り付けられたブームに、2組の攪拌羽根が設けられているので、堆積された攪拌対象物を発酵槽の底部から、攪拌対象物が堆積された最上部まで攪拌することができる。  In the stirring device of the present invention, between the frame movable along the rail provided on the open surface above the fermenter, on the boom attached to the rotating shaft arranged in the direction perpendicular to the moving direction of the frame, Since two sets of stirring blades are provided, the accumulated stirring object can be stirred from the bottom of the fermenter to the top where the stirring object is deposited.

また、フレームは軌条の上を移動可能なので、移動方向、つまり発酵槽の長さ方向の全範囲を攪拌することが可能であり、フレームの移動方向と直交する方向、つまり発酵槽の幅に、回転軸の長さを合わせて設計しておくことで、発酵槽の幅方向についても全範囲を攪拌することが可能であることに加え、フレームを発酵槽の幅方向に移動可能とすることで、発酵槽の全範囲を攪拌可能とすることもできる。  In addition, since the frame can move on the rail, it is possible to stir the entire range in the moving direction, that is, the length direction of the fermenter, and in the direction orthogonal to the moving direction of the frame, that is, the width of the fermenter, In addition to being able to stir the entire range in the width direction of the fermenter by designing the length of the rotating shaft together, by making the frame movable in the width direction of the fermenter The entire range of the fermenter can also be agitated.

また、ブームに取り付けられた2組以上、または複数の攪拌羽根を互いに逆方向に回転することで、その間の攪拌対象物を破砕する作用が得られる。しかも、前記2組以上、または複数の攪拌羽根はそれぞれに攪拌対象物を粉砕し上方向に跳ね上げる機能と、攪拌対象物を進行方向からみて後方へと移動させる機能を有しているので、攪拌の効果を一層向上できる。  Moreover, the effect | action which crushes the stirring target object in the meantime between two or more sets or several stirring blades attached to the boom by rotating in the mutually reverse direction is acquired. Moreover, the two or more sets or the plurality of stirring blades each have a function of pulverizing the stirring target object and jumping it upward, and a function of moving the stirring target object backward as viewed from the traveling direction. The effect of stirring can be further improved.

本発明の係る攪拌装置の一例を示す図、図1(a)は側面図、図1(b)は平面図。  The figure which shows an example of the stirring apparatus which concerns on this invention, Fig.1 (a) is a side view, FIG.1 (b) is a top view. 本発明に係る第二の攪拌羽根の一例を示す図。  The figure which shows an example of the 2nd stirring blade which concerns on this invention. 本発明に係る第一の攪拌羽根の一例を示す図、図3(a)は正面図、図3(b)は側面図。  The figure which shows an example of the 1st stirring blade which concerns on this invention, Fig.3 (a) is a front view, FIG.3 (b) is a side view.

次に、本発明の実施の形態について、具体的な図を参照しながら説明する。  Next, embodiments of the present invention will be described with reference to specific drawings.

図1は、本発明の係る攪拌装置の一例を示す図で図1(a)は側面図、図1(b)は平面図である。図1において、1は軌条、2はフレーム、3はフレームの移動手段、4はブーム、5は第一の回転軸、6は第二の回転軸、7は第一の攪拌羽根、8は第三の回転軸、9は第二の攪拌羽根である。1A and 1B are diagrams showing an example of a stirring device according to the present invention, in which FIG. 1A is a side view and FIG. 1B is a plan view. In FIG. 1, 1 is a rail, 2 is a frame, 3 is a moving means of the frame, 4 is a boom, 5 is a first rotating shaft, 6 is a second rotating shaft, 7 is a first stirring blade, and 8 is a first stirring blade. Three rotation shafts and 9 are second stirring blades.

また、図2は、本発明に係る第二の攪拌羽根の一例を示す図であり、図3は、本発明に係る第一の攪拌羽根の一例を示す図で、図3(a)は正面図、図3(b)は側面図である。図2において、9aは棒状の部材、9bは攪拌板である。  Moreover, FIG. 2 is a figure which shows an example of the 2nd stirring blade which concerns on this invention, FIG. 3 is a figure which shows an example of the 1st stirring blade which concerns on this invention, FIG. FIG. 3 and FIG. 3B are side views. In FIG. 2, 9a is a rod-shaped member and 9b is a stirring plate.

軌条1は、図示していない発酵槽を構成する隔壁の上面に設けられ、鉄道に用いられるレールや、溝のような形状である。この軌条1には、フレーム2の下部に設けられている、フレームの移動手段3の車輪が、載置または嵌合され、車輪は、図示していないモータなどの駆動手段によって、図における左右の方向に、軌条1に沿って移動可能である。  The rail 1 is provided on the upper surface of a partition wall constituting a fermenter (not shown), and has a rail-like shape or a groove-like shape used for railways. The rail 1 is mounted or fitted with a wheel of a frame moving means 3 provided at the lower part of the frame 2, and the wheels are moved to the left and right in the figure by a driving means such as a motor (not shown). It is movable along the rail 1 in the direction.

ブーム4は、第一の回転軸5に軸支され、一点鎖線で示したように矢印の方向へ回動可能なので、先端部を発酵槽の底部まで移動させることが可能で、攪拌対象物である堆肥の原料の有機資源廃棄物の内部に没入させることができる。そして、1本のブーム4に第二の回転軸6と第三の回転軸8を、片持ちの状態で取り付けることも可能であるが、信頼性や安定性を考慮すると、図1に示したように一対のブーム4の間に、第二の回転軸6と第三の回転軸8を設けるのが望ましい。The boom 4 is pivotally supported by the first rotating shaft 5 and can be rotated in the direction of the arrow as shown by the one-dot chain line, so that the tip can be moved to the bottom of the fermenter, You can immerse yourself in the organic resource waste of a compost material. And it is possible to attach the second rotating shaft 6 and the third rotating shaft 8 to one boom 4 in a cantilever state, but it is shown in FIG. 1 in view of reliability and stability. Thus, it is desirable to provide the second rotating shaft 6 and the third rotating shaft 8 between the pair of booms 4.

ブーム4の先端部には、第二の攪拌軸6の長さ方向と周方向に、一定の間隔が付与された状態で、複数の第一の攪拌羽根7が設けられ、第一の攪拌羽根7の先端には、回転方向に向けて湾曲した部分が形成されているので、回転に伴い、攪拌対象物が粉砕、攪拌されると同時に、上方に跳ね上げる機能が付与され、発酵槽の底部まで攪拌することが可能であるため、攪拌の効率が向上する。  A plurality of first stirring blades 7 are provided at the tip of the boom 4 in a state where a constant interval is provided in the length direction and the circumferential direction of the second stirring shaft 6. 7 is formed with a curved portion toward the rotation direction, so that the object to be stirred is pulverized and agitated along with the rotation, and at the same time, a function of jumping upward is provided. Stirring efficiency can be improved.

また、ブーム4のほぼ中央部には、第三の回転軸8の長さ方向と周方向に、一定の間隔が付与された状態で、複数の第二の攪拌羽根9が設けられ、第二の攪拌羽根9には、回転方向に対して傾斜が設けられている。図2には、第二の攪拌羽根9の回転方向と攪拌板9bのなす角度を、θで示していて、外側に取り付けられている複数の攪拌板のθは、小さくなるように設計している。これによって、第二の攪拌羽根9には、攪拌対象物が、第三の回転軸8が回転することにより、攪拌対象物が発酵槽の外へと飛び出してしまうことを抑制する機能が付与されている。また、攪拌対象物が堆積された最上部まで攪拌することが可能であるため、攪拌効率が向上する。  In addition, a plurality of second stirring blades 9 are provided in a substantially central portion of the boom 4 in a state where a constant interval is provided in the length direction and the circumferential direction of the third rotating shaft 8. The stirring blade 9 is inclined with respect to the rotation direction. In FIG. 2, the angle between the rotation direction of the second stirring blade 9 and the stirring plate 9b is indicated by θ, and θ of the plurality of stirring plates attached to the outside is designed to be small. Yes. As a result, the second stirring blade 9 is provided with a function of suppressing the stirring target from jumping out of the fermenter when the third rotating shaft 8 rotates. ing. Moreover, since it is possible to stir to the uppermost part on which the stirring object is deposited, stirring efficiency is improved.

なお、第一の攪拌羽根7を第三の攪拌軸8に取り付け、第二の攪拌羽根9を第二の回転軸6に取り付けることも可能ではあるが、第一の攪拌羽根7は、形状をプラウのように設計してあるので、圧縮されて固くなった攪拌対象物を解砕することにより、堆肥の発酵速度を早くすることを期待できるため、第一の攪拌羽根7は、第二の回転軸6の方に取り付けるのが望ましい。Although it is possible to attach the first stirring blade 7 to the third stirring shaft 8 and the second stirring blade 9 to the second rotating shaft 6, the first stirring blade 7 has a shape. Since it is designed like a plow, it can be expected to increase the fermentation rate of compost by crushing the agitated object that has been compressed and hardened. It is desirable to attach to the rotating shaft 6.

以上に説明したように、本発明によれば、堆肥原料の堆積高さが、1.5mを超える場合でも、高効率で攪拌できる攪拌装置と、それを用いた堆肥製造装置の提供が可能となり、工業規模の堆肥製造にとって有用である。なお、本発明は、前記実施の形態に限定されるものではなく、例えばフレームを図1における上下方向にも移動可能とするような、本発明の分野における通常の知識を有する者であれば想到し得る、各種変形、修正を含む、本発明の要旨を逸脱しない範囲の設計変更があっても、本発明に含まれることは勿論である。  As described above, according to the present invention, it is possible to provide a stirrer that can stir with high efficiency even when the compost raw material deposition height exceeds 1.5 m, and a compost manufacturing apparatus using the stirrer. Useful for industrial scale compost production. The present invention is not limited to the above-described embodiment. For example, those who have ordinary knowledge in the field of the present invention can move the frame in the vertical direction in FIG. Needless to say, even if there is a design change within a range that does not depart from the gist of the present invention, including various modifications and corrections, it is included in the present invention.

1・・・軌条 2・・・フレーム 3・・・フレームの移動手段
4・・・ブーム 5・・・第一の回転軸 6・・・第二の回転
7・・・第一の攪拌羽根 8・・・第三の回転軸 9・・・第二の攪拌羽根
9a・・・棒状の部材 9b・・・攪拌板
DESCRIPTION OF SYMBOLS 1 ... Rail 2 ... Frame 3 ... Frame moving means 4 ... Boom 5 ... First rotating shaft 6 ... Second rotating shaft 7 ... First stirring blade 8: Third rotating shaft 9: Second stirring blade
9a: rod-shaped member 9b: stirring plate

Claims (4)

上部に開放面を有する隔壁によって構成される発酵槽の、前記開放面の上方に設置されてなる、ほぼ直線状の軌条の上を移動するための手段を有するフレームと、前記フレームの進行方向とほぼ垂直な方向に、前記フレームに架設されてなる第一の回転軸と、前記回転軸に回動可能な状態で軸支されてなるブームと、前記ブームにおける先端部に、前記ブームの長さ方向にほぼ垂直に設けられてなる第二の回転軸と、前記第二の回転軸の長さ方向及び周方向に一定間隔で取り付けられてなる複数の第一の攪拌羽根と、前記ブームにおける前記第一の回転軸と前記第二の回転軸との間に、前記ブームの長さ方向にほぼ垂直に設けられてなる第三の回転軸と、前記第三の回転軸に、前記第三の回転軸の長さ方向及び周方向に一定間隔で取り付けられてなる複数の前記第二の攪拌羽根が、棒状の部材の先端に板状の攪拌板を接合した形状であり、前記攪拌板と前記第二の攪拌羽根の回転方向とのなす角度が、前記第三の回転軸の中央部がほぼ垂直であり、中央部からほぼ同距離に配されて対をなす前記攪拌板が、前記第二の攪拌羽根の回転方向に開いた状態となる角度で、ほぼ対称に接合されていて、また、前記第三の攪拌軸の外側に設けられた複数の前記第二の攪拌羽根は、前記第二の攪拌羽根の前記棒状の部材に傾斜をつけることにより、前記攪拌板の角度を変え、攪拌対象物が前記発酵槽の外に飛ぶことを抑制する機能を有することを特徴とする攪拌装置。A frame having a means for moving on a substantially straight rail installed above the open surface of a fermenter constituted by a partition wall having an open surface at the top; and a traveling direction of the frame; In a substantially vertical direction, a first rotation shaft constructed on the frame, a boom pivotally supported by the rotation shaft, and a length of the boom at the tip of the boom A second rotating shaft provided substantially perpendicular to the direction, a plurality of first stirring blades attached at regular intervals in the length direction and the circumferential direction of the second rotating shaft, and the boom in the boom Between the first rotating shaft and the second rotating shaft, a third rotating shaft provided substantially perpendicular to the length direction of the boom, and the third rotating shaft, the third rotating shaft, Installed at regular intervals in the length direction and circumferential direction of the rotating shaft A plurality of said second stirring blade made of Te is a shape obtained by joining a plate-like agitating plate to the tip of the rod-like member, the angle between the rotational direction of the agitating plate said second stirring blade is the The central portion of the third rotating shaft is substantially vertical, and the stirring plates that are paired and arranged at substantially the same distance from the central portion are at an angle that opens in the rotational direction of the second stirring blade, The plurality of second stirring blades that are joined substantially symmetrically and provided outside the third stirring shaft are provided by inclining the rod-shaped member of the second stirring blade, A stirrer having a function of changing the angle of the stir plate and suppressing the stirring target from flying out of the fermenter . 前記第一の攪拌羽根と前記第二の攪拌羽根の回転方向が逆方向であることを特徴とする、請求項1に記載の攪拌装置。  The stirring device according to claim 1, wherein the first stirring blade and the second stirring blade are rotated in opposite directions. 前記第一の攪拌羽根の先端は、回転方向に湾曲した形状を有し、攪拌の対象物を粉砕し、上方向に跳ね上げる機能を有することを特徴とする、請求項1または請求項2に記載の攪拌装置。  The tip of the first stirring blade has a shape curved in the rotation direction, and has a function of crushing an object to be stirred and jumping up upward. The stirrer described. 上部に解放面を有する槽の、前記解放面に、請求項1ないし請求項3のいずれかに記載の攪拌装置を、設置してなることを特徴とする堆肥製造装置。  A compost production apparatus, comprising the stirring device according to any one of claims 1 to 3 installed on the release surface of a tank having a release surface on an upper part thereof.
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