JPH11248349A - Vibration treating apparatus for powder particle - Google Patents
Vibration treating apparatus for powder particleInfo
- Publication number
- JPH11248349A JPH11248349A JP4812498A JP4812498A JPH11248349A JP H11248349 A JPH11248349 A JP H11248349A JP 4812498 A JP4812498 A JP 4812498A JP 4812498 A JP4812498 A JP 4812498A JP H11248349 A JPH11248349 A JP H11248349A
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- Japan
- Prior art keywords
- vibration
- granular material
- processing container
- processing
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Drying Of Solid Materials (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、粉粒体用振動処理
装置に関する。特に、粉粒体用振動乾燥装置として好適
な発明である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration processing apparatus for a granular material. In particular, the present invention is a preferred invention as a vibration drying apparatus for a granular material.
【0002】ここでは、粉粒体用振動加熱乾燥装置を、
主として、例に採り説明するが、これに限られるもので
はない。例えば、減圧乾燥装置、凍結乾燥装置、更に
は、造粒装置、反応装置、発酵装置、等にも本発明は適
用可能である。Here, a vibration heating and drying apparatus for a granular material is
The description will be made mainly by way of example, but is not limited to this. For example, the present invention is applicable to a reduced-pressure drying device, a freeze-drying device, a granulation device, a reaction device, a fermentation device, and the like.
【0003】また、ここで「粉粒体」とは、狭義の粒径
0.1μm以下の粉末ばかりでなく、0.1μmを越え
る粒体、顆粒体も含む概念である(化学工学協会編「化
学工学辞典」(昭和49年5月30日)丸善、p415
参照)。[0003] The term "granules" as used herein is a concept including, in a narrow sense, not only powders having a particle size of 0.1 µm or less, but also particles and granules exceeding 0.1 µm (edited by the Society of Chemical Engineers, Japan). Dictionary of Chemical Engineering ”(May 30, 1974) Maruzen, p415
reference).
【0004】[0004]
【背景技術】ファインケミカルの分野における粉状薬剤
の最終工程に使用する乾燥装置として下記のようなもの
があった。BACKGROUND ART As a drying apparatus used in the final step of a powdery drug in the field of fine chemicals, there has been the following apparatus.
【0005】粉状の被乾燥物を投入処理する筒状の処理
容器が、軸線を略水平とするように配(横置き)され、
該処理容器の内部に回転羽根を設けるとともに、筒体の
外周に熱媒体を流すジャットを備え、被乾燥物である粉
粒体を回転羽根により攪拌する過程でジャケット内を流
れる熱媒体により、加熱乾燥させるものがある。[0005] A cylindrical processing container into which a powdery material to be dried is charged is disposed (horizontally) so that the axis is substantially horizontal.
A rotary blade is provided inside the processing container, and a jacket for flowing a heat medium around the outer periphery of the cylindrical body is provided.The heating medium is heated by the heat medium flowing in the jacket in the process of stirring the granular material to be dried by the rotary blade. Some are to be dried.
【0006】しかし、この乾燥装置では、下記のような
問題点があった(特公昭55−37944号公報参
照)。However, the drying apparatus has the following problems (see Japanese Patent Publication No. 55-37944).
【0007】回転羽根と筒状の処理容器との内周面との
隙間がデッドスペースとなって、粉粒体の攪拌が十分に
行われ難く、粉粒体が局部的に加熱されたり、また、該
隙間に粉粒体が詰まって、つぶされてしまうおそれがあ
った。[0007] The gap between the rotating blades and the inner peripheral surface of the cylindrical processing vessel forms a dead space, making it difficult to sufficiently agitate the powder and granules. In addition, there is a fear that the gaps are clogged with the powder and granules and are crushed.
【0008】特に、ファインケミカルの分野の如く、多
品種・少量生産で、しかも高純度が要求されるような、
即ち、薬剤の不純物混入(いわゆるコンタミ)を極端に
嫌うような場合、内部に回転羽根等の機械部品があるの
は望ましくない。即ち、回転軸シール部及び回転羽根等
の隅部や交差部に付着した他の薬品を完全に洗浄除去す
る必要があり、洗浄工数がかかるためである。In particular, as in the field of fine chemicals, high-purity, low-volume production and high purity are required.
That is, in the case where the contamination of the drug with impurities (so-called contamination) is extremely disliked, it is not desirable to have mechanical parts such as rotating blades inside. That is, it is necessary to completely clean and remove other chemicals attached to the corners and intersections of the rotating shaft seal portion and the rotating blades, which requires cleaning man-hours.
【0009】そこで、本願出願人は、先に、筒形の処理
容器を振動させて、粉粒体を浮遊状態とすることによ
り、粒子を破壊してしまうことなく粉粒体全体を万遍な
く攪拌することができるとともに、全体を均一に加熱す
ることのできる粉粒体乾燥装置(粉粒体処理装置)を提
案し、製造販売している(同公報請求の範囲等参照)。[0009] Therefore, the applicant of the present application first vibrates the cylindrical processing container to make the powder particles in a floating state, so that the entire powder particles can be uniformly dispersed without breaking the particles. A powder drying apparatus (powder processing apparatus) capable of stirring and uniformly heating the whole has been proposed, manufactured and sold (see the claims in the publication).
【0010】そして、これと同じ技術的思想をベースと
する連続乾燥装置として特公昭60−13742・63
−63241号公報等に記載されたものがある。[0010] As a continuous drying apparatus based on the same technical idea, Japanese Patent Publication No. 60-13742 / 63.
Japanese Patent No. 63241/63 and the like.
【0011】これらの同じ技術的思想をベースとするバ
ッチ式の乾燥装置において、更なる、乾燥効率の向上の
要請が強くなってきている。[0011] In the batch type drying apparatus based on these same technical ideas, there is an increasing demand for further improvement in drying efficiency.
【0012】乾燥効率の向上手段としては、内部に熱伝
達フィンや前記熱媒体を流す単一の筒状部材を設けたり
することが考えれるが(前記特公昭60−13742号
公報参照)、熱伝達フィン等で対処することは、前述の
回転羽根を設ける場合程ではないが、前記バッチ替えの
際の容器内部の洗浄等の見地から望ましくない。As means for improving the drying efficiency, it is conceivable to provide a heat transfer fin or a single cylindrical member through which the heat medium flows (see JP-B-60-13742). Although it is not as good as the case of providing the above-mentioned rotating blades to cope with the transmission fins or the like, it is not desirable from the viewpoint of cleaning the inside of the container at the time of the batch change.
【0013】本発明は、上記にかんがみて、内部に部材
を配設する手段によらずに、粉粒体の混合流動性を向上
させることのできる粉粒体用振動処理装置を提供するこ
とを目的とする。The present invention has been made in view of the above, and has as its object to provide a vibration processing apparatus for a granular material capable of improving the mixing fluidity of the granular material without using a means for disposing a member inside. Aim.
【0014】本発明の他の目的は、内部に部材を配設す
る手段によらずに、粉粒体の混合流動性を向上させて、
乾燥効率を向上させることができる粉粒体用振動乾燥装
置を提供することを目的とする。Another object of the present invention is to improve the mixing fluidity of powder and granules without using a means for disposing members inside.
An object of the present invention is to provide a vibration drying apparatus for a granular material that can improve the drying efficiency.
【0015】[0015]
【課題を解決するための手段】本発明者らは、上記課題
を解決するために、鋭意開発に努力をする過程で、水平
配置した筒状の処理容器を錐台筒状にし、かつ、該処理
容器に主として軸線周りの円振動ないし楕円振動を発生
させれば、良好な流動混合性が得られること、ひいて
は、乾燥効率を向上させることができることを見出し、
下記構成の粉粒体用振動処理装置に想到した。Means for Solving the Problems In order to solve the above-mentioned problems, the inventors of the present invention, while making efforts for development, make a horizontally disposed cylindrical processing vessel into a frustum-shaped cylinder, and By generating a circular or elliptical vibration mainly around the axis in the processing vessel, it is possible to obtain good fluid mixing properties, and thus, it has been found that the drying efficiency can be improved.
The present inventors have conceived a vibration processing apparatus for a granular material having the following configuration.
【0016】粉粒体の又は投入後粉粒体となる被処理物
が投入され、軸線が略水平となるように弾性体上に配さ
れる筒状の処理容器と、該処理容器に振動を付与する発
振機とを備えた振動処理装置において、前記被処理物排
出口を大径側端に有する錐台筒状であることを特徴とす
る。An object to be treated, which is a powder or granules or after being charged, is charged, and a cylindrical processing container arranged on an elastic body so that an axis is substantially horizontal, and vibration is applied to the processing container. A vibration processing apparatus provided with an oscillator to be provided, wherein the processing object discharge port is formed in a truncated cone shape having a large-diameter end.
【0017】上記構成において、発振機が、前記処理容
器に主として軸線回りの円振動ないし楕円振動を発生さ
せるものであることが、粉粒体の混合流動性が向上して
望ましい。In the above configuration, it is desirable that the oscillator generates circular vibration or elliptical vibration mainly around the axis in the processing container, in order to improve the mixing fluidity of the powder and granules.
【0018】また、処理容器が周璧に温調手段を備えて
いることが、装置の汎用性が増大して望ましい。Further, it is desirable that the processing vessel is provided with a temperature control means on the peripheral wall, because the versatility of the apparatus is increased.
【0019】更に、前記処理容器が中間膨出の二連円錐
台形で、かつ、両端が鏡板で形成されていることが、更
に粉粒体の金剛流動性が向上して望ましい。Further, it is preferable that the processing vessel is formed in a double truncated conical shape with an intermediate bulge, and both ends are formed of end plates in order to further improve the rheological flowability of the granular material.
【0020】そして、上記粉粒体用振動処理装置におい
て、前記処理容器に排気口を形成すれば粉粒体用振動乾
燥装置となる。In the above-mentioned vibration processing apparatus for a granular material, if an exhaust port is formed in the processing container, the apparatus becomes a vibration drying apparatus for a granular material.
【0021】更に、該排気口に真空吸引手段を連結すれ
ば、乾燥効率を向上させることができる。Further, if vacuum suction means is connected to the exhaust port, drying efficiency can be improved.
【0022】[0022]
【発明の作用・効果】本発明の粉粒体用振動処理装置
は、処理容器12の中に粉粒体Pを、又は投入後粉粒体
となるものを、図1(a) ・(b) に示す如く、処理容器1
2の見かけ嵩量で約60vol%以上となるように投入す
る。そして、該処理容器12に発振機により振動を付与
する。このとき、処理容器に発生する振動は、通常、軸
線L回りの楕円ないし円振動を含む(図1(a) 矢印参
照)。すると、粉粒体の見かけ断面は、回転方向側に盛
り上がりが発生した図1(a) の二点鎖線W1に示すよう
な形となる。そして小径側では粉粒体が相対的に振動エ
ネルギーを直接的に受け易く、小径側(端部側)の各粒
子の有する運動エネルギーが大径側に比して増大する。
このため図1(b) の二点鎖線W2に示す如く、小径側が
盛り上がる。すると該盛り上がりを減衰する方向に力が
作用して、粉粒体は大径側へ移動するとともに、底部側
の粉粒体も重力により大径側へ移動して、図1(b) の二
点鎖線W3に示す如く大径側が盛り上がる。すると、大
径側の壁面からの反作用が発生して、今度は逆に小径側
へ移動して、図1(b) の二点鎖線W2に示す如く、小径
側が盛り上がる。このように、粉粒体には、処理容器の
軸を中心とする回転運動とともに、軸方向を往復移動す
る潮の満ち引きに似たうねり運動が発生する。According to the vibration processing apparatus for a granular material of the present invention, the granular material P or the material that becomes the granular material after being charged into the processing vessel 12 is obtained by the method shown in FIGS. ), The processing vessel 1
It is introduced so that the apparent bulk amount of No. 2 is about 60 vol% or more. Then, vibration is applied to the processing container 12 by an oscillator. At this time, the vibration generated in the processing container usually includes an elliptical or circular vibration about the axis L (see the arrow in FIG. 1A). Then, the apparent cross section of the granular material has a shape as shown by a two-dot chain line W1 in FIG. On the small-diameter side, the granular material is more likely to directly receive vibration energy, and the kinetic energy of each particle on the small-diameter side (end side) increases as compared with the large-diameter side.
Therefore, as shown by the two-dot chain line W2 in FIG. Then, a force acts in a direction to attenuate the swelling, and the granular material moves to the large diameter side, and the granular material at the bottom also moves to the large diameter side by gravity. The large-diameter side swells as shown by the chain line W3. Then, a reaction occurs from the wall surface on the large diameter side, and then moves to the small diameter side in reverse, and the small diameter side rises as shown by the two-dot chain line W2 in FIG. 1 (b). Thus, the swelling motion similar to the ebb and flow of the tide reciprocating in the axial direction is generated in the granular material together with the rotation motion about the axis of the processing container.
【0023】従って、粉粒体の混合流動性が増大し、乾
燥装置として使用した場合は、当然、乾燥効率も増大す
る。Therefore, the mixing fluidity of the granules increases, and when used as a drying device, the drying efficiency naturally also increases.
【0024】特開平6−307764号の如く、処理済
物排出口に向けて底面のみ傾斜させた構成では、処理済
物排出口側と反対側が全体的に縮径していないため、上
記ような作用・効果は、期待できない。In a configuration in which only the bottom surface is inclined toward the processed material discharge port as disclosed in JP-A-6-307774, the diameter of the side opposite to the processed material discharge port side is not reduced as a whole. Action and effect cannot be expected.
【0025】そして、当然のことながら、処理容器に主
として軸線回りの円振動ないし楕円振動を発生させた場
合に、効果が顕著である。As a matter of course, the effect is remarkable when the processing container is mainly subjected to circular or elliptical vibration around the axis.
【0026】また、処理容器が中間膨出の二連円錐台形
で、かつ、両端が鏡板で形成されている構成とすること
により、隅部がなく、前記軸方向を往復するうねり運動
がより円滑に行える。また、副次的に、被処理物替えの
際の清掃がさらに容易となるとともに、処理容器から処
理済物の排出も迅速かつ円滑となる。[0026] Further, the processing vessel has a double truncated conical shape with an intermediate swelling and both ends are formed by end plates, so that there is no corner and the swelling motion reciprocating in the axial direction is smoother. Can be done. In addition, as a secondary matter, cleaning at the time of changing the object to be processed is further facilitated, and the discharge of the processed object from the processing container becomes quick and smooth.
【0027】更に、処理容器に排気口を形成し、必要に
より、排気口に真空吸引手段を連結した場合は、粉粒体
用振動乾燥装置として好適に使用可能となる。Further, when an exhaust port is formed in the processing container and a vacuum suction means is connected to the exhaust port as required, the apparatus can be suitably used as a vibration drying apparatus for powder and granular materials.
【0028】[0028]
【発明の実施の形態】以下、本発明の実施形態を図例に
基づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
【0029】(1) 図2〜4は、本発明の一実施形態を示
す横形振動加熱乾燥装置の一例を示す。(1) FIGS. 2 to 4 show an example of a horizontal vibration heating and drying apparatus showing an embodiment of the present invention.
【0030】本装置の基本構成は、粉粒体のまたは投入
後粉体となる被処理物が投入され、軸線Lが略水平とな
るように弾性体14上に配される筒状の処理容器12
と、該処理容器12に振動を付与する発振機(駆動手
段)16とを備えたものである。The basic configuration of the present apparatus is a cylindrical processing vessel in which a material to be processed, which is a powder or a powder after being charged, is charged and disposed on the elastic body 14 so that the axis L is substantially horizontal. 12
And an oscillator (driving means) 16 for applying vibration to the processing container 12.
【0031】ここで、投入後粉粒体となるは、特公昭6
3−63241号の如く、溶質を含む液状体(泥状体を
含む。)が、投入後乾燥(溶剤揮散)して粉粒体になる
場合や、液状体が反応、更には凍結して粉粒体になる場
合、更には、粉末体が造粒作用により顆粒体になる場合
を含む。Here, the powdery material after being charged is described in
As described in JP-A-3-63241, when a liquid containing a solute (including a muddy body) is dried (solvent volatilization) after being charged to form powder or granules, or when the liquid reacts or freezes to form a powder. The case where the powder is formed further includes the case where the powder is formed into a granule by a granulating action.
【0032】ここで、投入口18は、天井壁側に形成さ
れている。投入口18の位置は、これに限られず、粉粒
体を投入可能な位置なら、両端壁面上側部等、任意であ
る。投入口の大きさは、例えば、処理容器12の容量が
1000Lのとき、開口径8〜10cmとする。以下、処
理容器12等の設計仕様は、特に断らない限り、処理容
器12の容量が1000Lの場合の仕様である。Here, the inlet 18 is formed on the ceiling wall side. The position of the charging port 18 is not limited to this, but may be any position such as an upper portion on both end wall surfaces as long as it is a position where the granular material can be charged. For example, when the capacity of the processing container 12 is 1000 L, the opening diameter is set to 8 to 10 cm. Hereinafter, the design specifications of the processing container 12 and the like are specifications when the capacity of the processing container 12 is 1000 L, unless otherwise specified.
【0033】弾性体14は、コイルばねであり、架台3
2の支持柱32a上に配され、ブラケット34を介して
処理容器12を支持している。処理容器12に付与され
る振動を吸収できる弾性及び強度を有する弾性体なら、
特に限定されない。The elastic body 14 is a coil spring,
It is arranged on the second support column 32 a and supports the processing container 12 via the bracket 34. If the elastic body has elasticity and strength capable of absorbing the vibration applied to the processing container 12,
There is no particular limitation.
【0034】このような弾性体としては、板ばね、エア
ばね、ゴム状弾性体等を使用可能である。なお、コイル
ばねのとき、該コイルばねをエラストマー材料で包んだ
ものが、ばね弾性に加えて、ゴム状弾性の減衰性能を利
用できて望ましい。As such an elastic body, a leaf spring, an air spring, a rubber-like elastic body, or the like can be used. In the case of a coil spring, it is desirable that the coil spring be wrapped with an elastomer material because it can utilize the damping performance of rubber-like elasticity in addition to spring elasticity.
【0035】発振機16は、図例では、不平衡錘22を
両側に配した発振部24をユニバーサルジョイント26
を介して原動機(モータ)28で回転させる機械式であ
る。処理量、必要振動数、振動のタイプに応じて、機械
式に限らず、電磁石方式、振動モータ方式も、単独、又
は、必要により機械式に組み合わせて使用できる。ま
あ、発振機16と処理容器12との連結は、発振機16
の発振部24をブラケット34の下方延設部34aに取
付けて行っている。In the illustrated example, the oscillator 16 includes an oscillating section 24 having unbalanced weights 22 arranged on both sides, and a universal joint 26.
Is a mechanical type that is rotated by a prime mover (motor) 28 through a motor. Depending on the processing amount, the required frequency, and the type of vibration, not only the mechanical type but also the electromagnet type and the vibration motor type can be used alone or in combination with the mechanical type as necessary. Well, the connection between the oscillator 16 and the processing vessel 12 is
The oscillating portion 24 is attached to the downwardly extending portion 34a of the bracket 34.
【0036】このとき、処理容器12に付与する振動
は、主として軸線回りの円振動ないし楕円振動を付与さ
せるものであることが、本発明の効果(粉粒体の混合流
動性)を確実に向上させるために望ましい。振動のタイ
プを、上下や斜め直線振動、更には、水平方向の直線な
いし円・楕円振動であっても良い。At this time, the vibration imparted to the processing container 12 is mainly for imparting circular vibration or elliptical vibration around the axis, so that the effect of the present invention (mixing fluidity of powders and granules) is surely improved. Desirable to let. The type of vibration may be vertical or oblique linear vibration, or horizontal linear or circular / elliptical vibration.
【0037】更に、発振機16の取付位置は、通常、処
理容器12の略直下とする。なお、図5に示す如く、軸
線Lの高さで処理容器12の一側に、やはり、ブラケッ
ト34の側方延設部34bに発振機16を設けてもよ
い。この場合は、反対側にバランスウェイト17を配す
る必要がある。処理容器12の直下に発振機16を配し
た場合に比して、円振動をよりエネルギー効率よく、処
理容器12に付与できる。Further, the mounting position of the oscillator 16 is generally located almost directly below the processing container 12. As shown in FIG. 5, the oscillator 16 may be provided on one side of the processing container 12 at the height of the axis L, and also on the laterally extending portion 34b of the bracket 34. In this case, it is necessary to arrange the balance weight 17 on the opposite side. Circular vibration can be imparted to the processing container 12 with more energy efficiency than when the oscillator 16 is disposed immediately below the processing container 12.
【0038】更には、発信機16は、処理容器12の両
側に一対設けてもよく、清掃性等が阻害されるが、処理
容器12の軸芯位置に設けてもよい。Further, a pair of transmitters 16 may be provided on both sides of the processing container 12, which may impair the cleaning performance. However, the transmitters 16 may be provided at the axis of the processing container 12.
【0039】また、振動数・振動ピッチは、処理要領及
び要求される混合流動性等により異なるが、例えば、粉
体加熱乾燥に使用する場合、振動数:500〜1800
cpm、振動ピッチ:10〜0.5mmとする。ここで通
常、振動数の増大に比して振動ピッチは小さく設定す
る。The frequency and the vibration pitch vary depending on the processing procedure and the required mixing fluidity. For example, when used for powder heating and drying, the frequency is 500 to 1800.
cpm, vibration pitch: 10 to 0.5 mm. Here, the vibration pitch is usually set smaller than the increase in the frequency.
【0040】温調手段は、過熱蒸気又は冷媒等の熱媒体
を通過可能に配管されたジャケット30とされている。
ジャケットへの蒸気流入口31の位置は、特に限定され
ないが、本実施形態では、後述の集塵筒部38の周璧部
位に設けてある。温調手段としては、これに限られず、
抵抗加熱、誘導加熱用のコイルを処理容器12に巻き付
けたり、また、マイクロ波発振器を天井に取付てマイク
ロ波加熱と併用したり、更に、面状の化学反応発熱体を
処理容器に巻付けても良い。The temperature control means is a jacket 30 which is piped so as to allow a heat medium such as superheated steam or a refrigerant to pass therethrough.
Although the position of the steam inlet 31 to the jacket is not particularly limited, in the present embodiment, the steam inlet 31 is provided at a peripheral wall portion of a dust collecting cylinder 38 described later. The temperature control means is not limited to this,
A coil for resistance heating and induction heating is wound around the processing vessel 12, a microwave oscillator is mounted on the ceiling to be used in combination with microwave heating, and a planar chemical reaction heating element is wound around the processing vessel. Is also good.
【0041】本処理容器は、乾燥装置であるため、排気
口36を備えている。具体的には、粉体(粉塵)の処理
系外への漏出を防止するため、処理容器12の天井側中
央に形成された集塵筒部38を介して排気口36を形成
してある。This processing container is provided with an exhaust port 36 because it is a drying device. Specifically, an exhaust port 36 is formed through a dust collection tube 38 formed at the center of the processing container 12 on the ceiling side in order to prevent leakage of the powder (dust) outside the processing system.
【0042】該集塵筒部38は、中間高さ位置の保持板
40から複数のバッグフィルタ42を吊り下げた構成で
ある。この集塵筒部38の内径は、40〜50cmとす
る。この排気口36には、集塵筒部38を介さない場合
は、必然的ではないが、真空ポンプ、コンプレッサ等の
真空吸引手段(図示せず)が連結可能となっている。こ
のときの、真空吸引能力は、1〜1.5Nm3 /分の吸
引容量、又は、処理容器12内に絶対圧5〜10Torr
(0.5〜1kPa )の真空度が得られるものとする。と
する。The dust collecting tube 38 has a structure in which a plurality of bag filters 42 are suspended from a holding plate 40 at an intermediate height. The inside diameter of the dust collection tube 38 is 40 to 50 cm. When the exhaust port 36 is not interposed through the dust collection tube section 38, a vacuum suction means (not shown) such as a vacuum pump or a compressor can be connected, though not indispensable. At this time, the vacuum suction capacity is a suction capacity of 1 to 1.5 Nm 3 / min or an absolute pressure of 5 to 10 Torr in the processing vessel 12.
(0.5 to 1 kPa). And
【0043】(2) 本実施形態の処理容器12は、上記に
おいて、軸線Lの略直下に少なくとも1個の処理済物排
出口44を備えているとともに、該被処理物排出口44
を大径側端に有する錐台筒状であることを特徴的要件と
する。(2) The processing container 12 of the present embodiment has at least one processed material discharge port 44 substantially immediately below the axis L in the above, and the processing object discharge port 44
Is a frustum cylindrical shape having at the large diameter end.
【0044】ここで、処理済物排出口44を大径側端に
形成するのは、処理済物の排出を容易にするためであ
る。The reason why the processed material discharge port 44 is formed at the large-diameter end is to facilitate discharge of the processed material.
【0045】図例では、処理容器12は、中間膨出の二
連円錐台形で、かつ、両端が鏡板で形成されている。そ
して、処理済物排出口44は、排出バルブ46を介した
蛇腹ホース48で形成されている。二点円錐台形とする
ことにより、処理能力を増大できることは勿論、排出口
からの処理済物の排出をより迅速かつ円滑に行える。In the illustrated example, the processing vessel 12 has a double truncated conical shape with an intermediate bulge, and both ends are formed by end plates. The processed material discharge port 44 is formed by a bellows hose 48 via a discharge valve 46. By adopting the two-point frusto-conical shape, it is possible not only to increase the processing capacity but also to discharge the processed material from the discharge port more quickly and smoothly.
【0046】また、両端を鏡板12aで形成することに
より、角ばった隅部が発生せず、混合流動性がより良好
となる。このことは、図1に示すような単円錐台形の両
端を鏡板で形成する場合でも言える。Further, since both ends are formed by the end plates 12a, no sharp corners are generated, and the mixing fluidity is further improved. This is true even when both ends of a single truncated cone as shown in FIG. 1 are formed by end plates.
【0047】このとき、円錐台形のテーパ角度(軸線に
対する交差角度)は、処理容器12の容量(即ち、円錐
台形の平均径及び長さ)にもよるが、5°〜40°、望
ましくは、10°〜30°とする。テーパ角度が小さ過
ぎても多き過ぎても、本発明の混合流動性の向上が期待
できず、また、排出口からの排出速度(排出性)も低下
する。At this time, the taper angle of the truncated cone (the angle of intersection with the axis) depends on the capacity of the processing vessel 12 (ie, the average diameter and length of the truncated cone), but is preferably 5 ° to 40 °, and more preferably, 5 ° to 40 °. 10 ° to 30 °. If the taper angle is too small or too large, the improvement of the mixing fluidity of the present invention cannot be expected, and the discharge speed (dischargeability) from the discharge port also decreases.
【0048】なお、円錐台形の平均径(中央径)及び長
さ(高さ)は、通常、前者:75〜120cm、後者:1
20〜75cmとする。The average diameter (central diameter) and length (height) of the truncated cone are usually 75-120 cm for the former and 1 for the latter.
20 cm to 75 cm.
【0049】ここでは、図2〜5に示すような二連円錐
台形を例に採り説明したが、図6に示すような二連円錐
台形を2組み連接した構成、更には、中央部縮径の二連
円錐台形等、又、錐台形は円錐に限らず、多角錐台形
(六角錐台形等)でもよく発明の作用・効果を奏する限
り、円錐台形の連接数・方法は任意である。Here, the double truncated cone as shown in FIGS. 2 to 5 has been described as an example. However, a configuration in which two pairs of double truncated cones are connected as shown in FIG. The frustum shape is not limited to a cone, and may be a polygonal frustum shape (a hexagonal frustum shape, etc.), and the number and method of connection of the frustum shape are arbitrary as long as the effects and effects of the invention are exhibited.
【0050】また、必然的でなく、混合流動性は疎外
し、かつ、清掃作業性を阻害するおそれがあるが、必要
により、図例の如く伝熱フィン50を設けてもよい。Although it is not inevitable, the mixing fluidity may be alienated and the cleaning workability may be impaired. However, if necessary, the heat transfer fins 50 may be provided as shown in the figure.
【0051】なお、図例中、52は掃除等のためのマン
ホールであり、54は、内部確認のための覗き窓であ
る。In the figure, reference numeral 52 denotes a manhole for cleaning and the like, and reference numeral 54 denotes a viewing window for checking the inside.
【0052】(3) 次に、上記横置き形振動乾燥装置の、
使用態様を説明する。(3) Next, in the above-mentioned horizontal type vibration drying apparatus,
The usage mode will be described.
【0053】まず、投入口18から、被処理物を、処理
容器12の容量の50〜80容量%、望ましくは、60
〜70容量%を投入する。投入量が少なすぎると、錐台
形にしたことによる本発明の混合流動性向上の効果を得
難い。また、粉粒体の径は、1μm〜5mm、望ましく
は、0.1〜1mm位が、混合流動性向上の効果が得易
い。粉粒体は、真比重が0.5〜10、望ましくは0.
8〜2とすることが、混合流動性向上の見地から望まし
い。First, an object to be processed is introduced into the processing container 12 through the inlet 18 by 50 to 80% by volume, preferably 60% by volume.
Add ~ 70% by volume. If the input amount is too small, it is difficult to obtain the effect of improving the mixing fluidity of the present invention due to the frustum shape. The diameter of the powder is preferably 1 μm to 5 mm, and more preferably about 0.1 to 1 mm, so that the effect of improving the mixing fluidity is easily obtained. The powder has a true specific gravity of 0.5 to 10, preferably 0.
8 to 2 is desirable from the viewpoint of improving the mixing fluidity.
【0054】次に、モータ28を起動させて発振機16
を駆動させ、処理容器12に振動を付与するとともに、
所定温度の蒸気(加圧・減圧)をジャケット30に蒸気
流入口31を介して流入させる。所定温度を維持するた
めに、ジャケット30には図示しないが所定圧で開閉す
るドレン弁を備えた配管がジャバラホース等を介して接
続されている。該蒸気は処理物(粉体)の材質によって
は、蒸気は、被処理物投入前に通過させて、処理容器1
2を加熱しておいても良い。また、蒸気の代わりに温水
を使用しても良い。Next, the motor 28 is started and the oscillator 16 is turned on.
Is driven to apply vibration to the processing container 12,
Steam (pressurized / depressurized) at a predetermined temperature is caused to flow into the jacket 30 via the steam inlet 31. In order to maintain a predetermined temperature, a pipe (not shown) provided with a drain valve that opens and closes at a predetermined pressure is connected to the jacket 30 via a bellows hose or the like. Depending on the material of the processing object (powder), the steam is allowed to pass before charging the processing object, and the processing vessel 1
2 may be heated. Hot water may be used instead of steam.
【0055】発振機の駆動馬力は、処理量により異なる
が、例えば、5.5〜7.5kWとし、そして発振機1
6の駆動仕様は、粉粒体の種類(粒径・比重)及び充填
量により異なるが、前述の如く、振動数500〜180
0cpm 、振動ピッチ0.5〜10mmとする。同時に、真
空ポンプ等を作動させて、真空吸引を行って、乾燥処理
を継続する。The driving horsepower of the oscillator varies depending on the processing amount, but is, for example, 5.5 to 7.5 kW.
The driving specifications of No. 6 differ depending on the type (particle diameter / specific gravity) and the filling amount of the granular material, but as described above, the vibration frequency is 500 to 180.
0 cpm and a vibration pitch of 0.5 to 10 mm. At the same time, a vacuum pump or the like is operated to perform vacuum suction and continue the drying process.
【0056】すると、図7に示す如く、処理物の温度及
び真空圧が変化して、処理物温度が加熱温度に漸***行
状態になるとともに、処理容器12内の真空度が真空ポ
ンプ(真空吸引手段)の能力に漸***行状態になったと
きに、運転を停止して、即ち、発振機、真空ポンプを停
止させ、必要により蒸気弁を閉じる。Then, as shown in FIG. 7, the temperature and vacuum pressure of the processing object change, the temperature of the processing object becomes asymptotic to the heating temperature, and the degree of vacuum in the processing chamber 12 is reduced by a vacuum pump (vacuum suction). When the asymptotic parallel state is reached, the operation is stopped, that is, the oscillator and the vacuum pump are stopped, and the steam valve is closed if necessary.
【0057】このとき、処理容器12内の処理物は、前
述の如く、混合流動性が良好であるので、迅速かつ万邊
なくに乾燥処理される。At this time, the processed material in the processing container 12 has a good mixing fluidity, as described above, and is thus dried quickly and uniformly.
【0058】そして、運転停止後、排出バルブ46を開
として、処理済物(乾燥処理物)を排出口44から排出
させる。このとき、発振機16を起動させて処理容器1
2に振動を付与することにより、容易に乾燥処理済物を
排出できる。この処理済物排出時の振動数は、乾燥処理
時のそれより、相対的に小さい出力・ピッチ、回転数で
良い。このとき、例えば、振動数:1500〜300cp
m 、振動ピッチ:0.5〜10mmとする。After the operation is stopped, the discharge valve 46 is opened to discharge the processed product (the dried product) from the discharge port 44. At this time, the oscillator 16 is activated and the processing vessel 1
By applying vibration to 2, the dried product can be easily discharged. The frequency at the time of discharging the processed material may be an output, a pitch, and the number of rotations which are relatively smaller than those at the time of the drying process. At this time, for example, the frequency: 1500 to 300 cp
m, vibration pitch: 0.5 to 10 mm.
【0059】また、振動のタイプは、円・楕円振動であ
っても良いが、錐台形斜面における粉粒体の落下を促進
させる作用をする振動形式なら限定されない。この場合
は、、乾燥処理の混合用発振機とは、別の排出用発振機
を処理容器に取り付けることも考えられる。The type of vibration may be circular or elliptical vibration, but is not limited as long as it has a function of accelerating the falling of the granular material on the frustum-shaped slope. In this case, it is conceivable to attach a discharge oscillator different from the mixing oscillator in the drying process to the processing container.
【図1】本発明の振動処理装置内に処理容器内における
粉粒体の混合流動性を示す説明図FIG. 1 is an explanatory diagram showing the mixing fluidity of powder and granules in a processing vessel in a vibration processing apparatus of the present invention.
【図2】本発明の一実施形態における横形振動乾燥機の
概略平面図FIG. 2 is a schematic plan view of a horizontal vibration dryer in one embodiment of the present invention.
【図3】同じく概略側面断面図FIG. 3 is a schematic side sectional view of the same.
【図4】同じく概略正面図FIG. 4 is a schematic front view of the same.
【図5】図2〜4の実施形態において軸線の高さの一側
に発振機を設けた概略正面図FIG. 5 is a schematic front view in which an oscillator is provided on one side of the height of the axis in the embodiment of FIGS. 2 to 4;
【図6】図3を多連式とした実施形態における概略側面
断面図FIG. 6 is a schematic side sectional view of an embodiment in which FIG.
【図7】本発明の処理装置を用いて処理物を乾燥処理を
した場合の乾燥概念グラフ図FIG. 7 is a conceptual graph of drying when a processed material is dried using the processing apparatus of the present invention.
12 処理容器 14 弾性体(コイルばね) 16 発振機 30 温調手段(ジャケット) 36 排気口 38 集塵筒部 44 処理済物排出口 12 Processing Container 14 Elastic Body (Coil Spring) 16 Oscillator 30 Temperature Control Means (Jacket) 36 Exhaust Port 38 Dust Collection Tube 44 Treated Material Discharge Port
Claims (7)
物が投入され、軸線が略水平となるように弾性体上に配
される筒状の処理容器と、該処理容器に振動を付与する
発振機(駆動手段)とを備えた振動処理装置において、 前記処理容器は、前記軸線の略直下に少なくとも1個の
処理済物排出口を備えているとともに、前記被処理物排
出口を大径側端に有する錐台筒状であることを特徴とす
る粉粒体用振動処理装置。An object to be processed, which is a powder or a granule after being charged, is charged, and is disposed on an elastic body so that an axis thereof is substantially horizontal. In a vibration processing apparatus provided with an oscillator (driving means) for applying vibration, the processing container has at least one processed material discharge port substantially immediately below the axis, and the processing object discharge port. A vibrating apparatus for a granular material having a truncated frustum shape having an outlet at a large-diameter end.
軸線回りの円振動ないし楕円振動を付与させるものであ
ることを特徴とする請求項1記載の粉粒体用振動処理装
置。2. The vibration processing apparatus for a granular material according to claim 1, wherein the oscillating device applies circular or elliptical vibration mainly around an axis to the processing container.
いることを特徴とする請求項1又は2記載の粉粒体用振
動処理装置。3. The vibration processing apparatus for a granular material according to claim 1, wherein the processing container is provided with a temperature control means on a peripheral wall.
で、かつ、両端が鏡板で形成されていることを特徴とす
る請求項3記載の粉粒体用振動処理装置。4. The vibration processing apparatus for a granular material according to claim 3, wherein the processing container has a double truncated conical shape with an intermediate bulge, and both ends are formed by end plates.
で、かつ、両端が鏡板で形成されていることを特徴とす
る請求項1又は2記載の粉粒体用振動処理装置。5. The vibration processing apparatus for a granular material according to claim 1, wherein the processing container has a double truncated conical shape with an intermediate bulge, and both ends are formed by end plates.
処理容器が排気口を備えていることを特徴とする粉粒体
用振動乾燥装置。6. The vibration drying apparatus for a granular material according to claim 1, wherein the processing container has an exhaust port.
いることを特徴とする請求項6記載の粉粒体用振動乾燥
装置。7. The vibration drying apparatus for a granular material according to claim 6, wherein a vacuum suction means is connected to the exhaust port.
Priority Applications (1)
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JP04812498A JP3996256B2 (en) | 1998-02-27 | 1998-02-27 | Vibration treatment device for powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04812498A JP3996256B2 (en) | 1998-02-27 | 1998-02-27 | Vibration treatment device for powder |
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Publication Number | Publication Date |
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JPH11248349A true JPH11248349A (en) | 1999-09-14 |
JP3996256B2 JP3996256B2 (en) | 2007-10-24 |
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