JPS61149253A - Apparatus for washing powdery particle - Google Patents

Abstract

PURPOSE:To continuously perform efficient washing operation within a short time, by arranging a stirrer to the bottom part forming an inverted conical shape of a washing tank and introducing a washing solution into said tank from the bottom part and discharging the same from the upper part of said tank. CONSTITUTION:In washing a powdery particle, the powdery particle is introduced into a washing tank from an upper opening part 8 while a washing solution is introduced into a washing solution introducing chamber 5 from the washing solution introducing pipe 6 provided to the bottom part of said tank. This washing solution is raised while dispersed between rotating stirring blades 3 and raises and disperses the powdery particle in the washing tank 1 and, therefore, the powdery particle is washed through the continuous contact with the washing solution. The washing solution after contact is successively discharged from a washing solution discharge pipe 7 and the powdery particle after the completion of washing is discharged from the discharge pipe 12 of the bottom part along with the washing solution or discharged from the washing solution introducing pipe 6 when there is no discharge pipe. By this effective flow of the washing solution, efficient washing operation can be continuously performed while water is conserved.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は高い洗浄効率をもって粉粒体を洗浄するための
洗浄装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cleaning device for cleaning powder and granular materials with high cleaning efficiency.

〔従来の技術〕[Conventional technology]

従来、粉粒体を洗浄する籠二は、例えば、容器Ｃ二粉粒
体を収容したのち、洗液を導入して補助的に攪拌的流動
を与えるなどして洗浄を行ない、ついで洗液を排出し、
さらに新たな洗液を導入して上記の操作を繰返す、いわ
ゆるデカント方式が一般的Ｉ：採用されている。Conventionally, in the case of a basket 2 for washing powder and granules, for example, after storing the powder and granules in container C2, cleaning is performed by introducing a washing liquid to provide supplementary agitation flow, and then the washing liquid is washed. drain,
The so-called decant method, in which a new washing liquid is introduced and the above operation is repeated, is generally adopted.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上記のデカント方式嘉二よる洗浄は、繰返し操作である
ため、洗液の導入と排出１：長時間を要し、作業上の効
率が極めて悪かった。また、撹拌機などを容器の上部に
設けて攪拌を行なった場合、軸回転による引込みや渦巻
現象のために洗浄効果は必ずしもあがらない傾向があっ
た。Since the above-mentioned decant method Kaji washing is a repetitive operation, it takes a long time to introduce and discharge the washing liquid, resulting in extremely low operational efficiency. In addition, when a stirrer or the like is provided at the top of the container for stirring, the cleaning effect tends not to be necessarily improved due to the pull-in and swirling phenomenon caused by the rotation of the shaft.

〔問題点を解決するための手段〕[Means for solving problems]

本発明の目的は高い洗浄効率をもって、連続的に粉粒体
を洗滌することができる洗浄装置を提供することζ二あ
る。An object of the present invention is to provide a cleaning device that can continuously wash powder and granular materials with high cleaning efficiency.

本発明の上記の目的は、次の粉粒体洗浄装置により達成
される。The above objects of the present invention are achieved by the following powder and granular material cleaning device.

洗滌槽の逆円錐形をなす底部に、その下部の空間が洗液
導入室を形成するように設けられた撹拌機、該洗液導入
室に開口する洗液導入口、および該洗浄槽上部に開口す
る洗液排出口からなることを特徴とする粉粒体洗浄装置
。A stirrer is installed at the inverted conical bottom of the washing tank so that the space below forms a washing liquid introduction chamber, a washing liquid introduction port opens into the washing liquid introduction chamber, and an agitator is installed at the top of the washing tank. A powder and granular material cleaning device comprising an open cleaning liquid discharge port.

〔実施例〕〔Example〕

本発明の実施態様を添付の第１図を参照して詳細に説明
し、併せてその作用を以下に説明する。An embodiment of the present invention will be described in detail with reference to the accompanying FIG. 1, and its operation will also be explained below.

第１図は本発明の洗浄装置の一例の概略図であって、１
は洗浄槽、２はその底部である。底部２は逆円錐形状を
なすが、円錐斜面は完全に直線的でなくても多少のふく
らみを有していてもよい。また底部２の最下端部には撹
拌機軸４の軸受部を設ける必要があるので尖部とはなら
ない。FIG. 1 is a schematic diagram of an example of the cleaning device of the present invention, with 1
is a cleaning tank, and 2 is its bottom. The bottom portion 2 has an inverted conical shape, but the conical slope need not be completely straight and may have some bulge. Further, since it is necessary to provide a bearing portion for the stirrer shaft 4 at the lowest end of the bottom portion 2, the bottom portion 2 does not have a pointed portion.

撹拌機軸４には撹拌翼３が取り付けられている。A stirring blade 3 is attached to the stirrer shaft 4.

この撹拌翼３は洗浄槽底部２０円錐形状（二沿って相対
する　羽根型の三角翼の下端部を切欠いた形状を有する
。この下端部の切欠きは、底部２の下端部に空間部を設
けるためである・この空間部は洗液導入室５を形成する
。上記切欠き形状および寸法は、洗浄きるべき粉粒体の
比重、浮遊状態Ｃ二より、また撹拌機軸４の回転数の選
定とも関連して経験的（二より良い洗浄効果が得られる
よう設定撹拌翼が梯形となるよう切欠くことができるが
、この形状（二のみ限定されるものではない。The stirring blades 3 have a conical shape at the bottom 20 of the cleaning tank (the lower ends of vane-shaped triangular blades facing each other are cut out). This space forms the washing liquid introduction chamber 5.The shape and dimensions of the above-mentioned notch are determined by the specific gravity of the powder to be washed, the floating state C2, and the selection of the rotation speed of the agitator shaft 4. Relatedly, according to experience, the agitating blades can be cut out to have a trapezoidal shape, but are not limited to this shape.

撹拌翼３と洗浄槽底部２の斜面とのクリアランスはでき
るだけ小さくするのが攪拌効率の点で好ましい。In terms of stirring efficiency, it is preferable to make the clearance between the stirring blades 3 and the slope of the cleaning tank bottom 2 as small as possible.

洗液導入室５≦二開口して洗液導入管６が設けられ、ま
た洗浄槽１の上部には洗液排出管７が設けられる。さら
ｔ二洗浄ｍ１の頂部ｌ二は上部開口部８が設けられてい
てもよい。A washing liquid introduction pipe 6 is provided with a washing liquid introduction chamber 5≦2 openings, and a washing liquid discharge pipe 7 is provided at the upper part of the washing tank 1. Furthermore, an upper opening 8 may be provided at the top l2 of the cleaning m1.

撹拌機軸４の回転駆動は適宜の方法により行なわれる。Rotation of the agitator shaft 4 is performed by an appropriate method.

例えば、電動機および変速機９と軸下端で連結する伝導
機構により駆動される。第１図の例では、撹拌機軸受付
きの軸シール部１ｏと、軸が長い場合には中間軸受１１
とが設けられる。撹拌機軸４の回転数は変速機により所
望値に設定される。For example, it is driven by a transmission mechanism connected to an electric motor and a transmission 9 at the lower end of the shaft. In the example shown in Fig. 1, there is a shaft seal part 1o with an agitator bearing, and an intermediate bearing 11 if the shaft is long.
and is provided. The rotation speed of the agitator shaft 4 is set to a desired value by a transmission.

上記の装置によって粉粒体の洗浄を行なう（二は、粉粒
体を上部開口部８から洗浄槽内（二導入し、一方、洗液
導入管６から洗液を洗液導入室５ｃ二導入する。この洗
液は撹拌翼３間Ｃ二分散して上昇し、粉粒体を洗浄槽内
に持上げて分散させる。この挙動は、より良い洗浄効果
をもたらすために必要であって、洗液導入室を設けない
で直接（二撹拌翼３の部分に洗液導入口を開口したので
は本発明（二より得られるような良好な洗浄効果を得ら
れない。The powder and granular material is washed by the above-mentioned device (secondly, the powder and granular material is introduced into the washing tank (2) from the upper opening 8, and on the other hand, the washing liquid is introduced from the washing liquid introduction pipe 6 into the washing liquid introduction chamber 5c). This washing liquid is dispersed between the stirring blades 3 and rises, lifting the powder into the washing tank and dispersing it.This behavior is necessary to bring about a better cleaning effect, and the washing liquid If the washing liquid inlet is opened directly at the stirring blade 3 without providing an introduction chamber, the good washing effect obtained by the present invention (Part 2) cannot be obtained.

洗浄きるべき粉粒体は洗液中に浮遊し、洗液と連続的（
二接触して洗浄される。接触後の洗液は逐次洗液排出管
７から排出される。洗浄終了後、粉粒体は洗液とともに
底部じ設けられた排出管１２、または排出管１２を設け
ない場合には洗液導入管６から排出される。或いは粉粒
体の比重が小さい場合は洗液排日管７から洗液ととも（
＝排出してもよい。洗浄きるべき粉粒体は洗液導入管６
から導入される洗液とともに洗液導入室５≦二開入して
もよい。The powder and granules to be washed are suspended in the washing liquid and are continuously connected to the washing liquid (
Two contacts are cleaned. The washing liquid after contact is sequentially discharged from the washing liquid discharge pipe 7. After washing, the powder and granules are discharged together with the washing liquid from the discharge pipe 12 provided at the bottom, or from the washing liquid introduction pipe 6 if the discharge pipe 12 is not provided. Alternatively, if the specific gravity of the powder or granular material is small, it is removed from the washing liquid drain pipe 7 along with the washing liquid (
= May be discharged. The powder and granules to be washed are transferred to the washing liquid introduction pipe 6.
The washing liquid introduction chamber 5≦2 may be entered together with the washing liquid introduced from the washing liquid introducing chamber 5≦2.

〔発明の効果〕〔Effect of the invention〕

本発明の洗浄装置は極めて効率のよい洗浄操作を、従来
の方法に比して短い時間Ｃ二連続して行なうことを可能
とし、また洗液の効果的流動じより、バッチ式操作に比
して水資源の節減、排水処理量軽減による、粉粒体洗浄
操作の低コスト化を可能とした。なお本発明の洗浄装置
は極めて静かに運転が行なわれることも大きな特長の一
つである。The cleaning device of the present invention allows extremely efficient cleaning operations to be carried out continuously for a shorter period of time than conventional methods, and also allows for more effective flow of the cleaning solution than in batch-type operations. This makes it possible to reduce the cost of powder cleaning operations by saving water resources and reducing the amount of wastewater treated. Note that one of the major features of the cleaning device of the present invention is that it operates extremely quietly.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の粉粒体洗浄装置の概略図である。 FIG. 1 is a schematic diagram of a powder cleaning apparatus of the present invention.

Claims (1)

【特許請求の範囲】 １、洗滌槽の逆円錐形をなす底部に、その下部の空間が
洗液導入室を形成するように設けられた撹拌機、該洗液
導入室に開口する洗液導入口、および該洗浄槽上部に開
口する洗液排出口からなることを特徴とする粉粒体洗浄
装置。 ２、該撹拌機の撹拌翼が、洗浄槽底部の円錐形状に沿っ
て相対する羽根型の三角翼の下端部を切欠いた形状を有
する特許請求の範囲第１項に記載の粉粒体洗浄装置。[Claims] 1. A stirrer installed at the inverted conical bottom of the washing tank so that the space below it forms a washing liquid introduction chamber; a washing liquid introduction opening into the washing liquid introduction chamber; 1. A powder and granular material cleaning device comprising: a mouth; and a cleaning liquid discharge port opening at the top of the cleaning tank. 2. The granular material cleaning device according to claim 1, wherein the stirring blades of the stirrer have a shape in which the lower ends of vane-shaped triangular blades are notched away from each other along the conical shape of the bottom of the cleaning tank. .