JP2764218B2 - Vibration grinding classifier - Google Patents
Vibration grinding classifierInfo
- Publication number
- JP2764218B2 JP2764218B2 JP28547889A JP28547889A JP2764218B2 JP 2764218 B2 JP2764218 B2 JP 2764218B2 JP 28547889 A JP28547889 A JP 28547889A JP 28547889 A JP28547889 A JP 28547889A JP 2764218 B2 JP2764218 B2 JP 2764218B2
- Authority
- JP
- Japan
- Prior art keywords
- crushing
- vibration
- chamber
- classification
- pulverizing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は、鉱石,砂,セラミックス等の原料を粉砕し
て粉砕物を分級し、薬品,化粧品,顔料、陶磁器,鋳物
砂等の原料を製造するための振動粉砕分級装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention crushes raw materials such as ores, sands, ceramics and the like to classify the crushed products, and converts raw materials such as chemicals, cosmetics, pigments, porcelain, molding sand and the like. The present invention relates to a vibrating pulverizing and classifying apparatus for manufacturing.
(従来の技術) 従来では、高速回転する衝撃板によって原料を粉砕す
る衝撃型粉砕機や、ボールやロッドに振動を与えて原料
を粉砕する振動型粉砕機等の粉砕機が使用され、粉砕さ
れた粉砕物を粉砕機とは別に設けた分級機によって分級
して目標粒度の粉砕物を取出していた。(Prior Art) Conventionally, a pulverizer such as an impact type pulverizer that pulverizes a raw material by a high-speed rotating impact plate or a vibratory pulverizer that pulverizes a raw material by applying vibration to a ball or a rod is used. The pulverized material having a target particle size was obtained by classifying the pulverized material by a classifier provided separately from the pulverizer.
(発明が解決しようとする課題) 従来の粉砕機では粉砕原料を粉砕してから、目標粒度
の粉砕物を分級機によって分級して取出すため、装置が
大型化及び複雑化するという問題や、分級した粉砕物の
粒度のバラツキが大きくなって粉砕物の粒度が広範囲に
分布するという問題があった。(Problems to be Solved by the Invention) In a conventional pulverizer, a pulverized raw material is pulverized, and then a pulverized product having a target particle size is classified and taken out by a classifier. There is a problem that the variation in the particle size of the ground material becomes large and the particle size of the ground material is widely distributed.
本発明は、上述のような問題点に着目して成されたも
ので、装置の簡略化及びコンパクト化が可能であり、か
つ、目標粒度の粉砕物を的確に分級し得ると共に、破砕
効率の向上が可能な振動粉砕分級装置の開発を第1の課
題とし、加えて、さらに破砕及び分級効率の向上が可能
な振動粉砕分級装置の開発を第2の課題としている。The present invention has been made in view of the above-mentioned problems. The apparatus can be simplified and downsized, and can accurately classify a pulverized product having a target particle size. A first problem is to develop a vibration-pulverizing and classifying apparatus that can be improved, and a second task is to develop a vibration-pulverizing and classifying apparatus that can further improve crushing and classification efficiency.
(課題を解決するための手段) 上記第1の課題を解決するための手段として、請求項
1記載の振動粉砕分級装置では、粉砕原料を粉砕する多
数個の粉砕媒体が収容されかつ振動可能に設置される振
動槽を、内筒と外筒によって環状に形成し、該環状空間
内を仕切り部材でその円周方向に複数の破砕室に仕切
り、各破砕室内の幅が円周方向において下方から上方へ
逓増するように各仕切り部材を傾斜させ、該振動槽には
各破砕室への原料投入口をそれぞれ開設し、各破砕室の
底部には分級流体の流入口を開設し、各破砕室の上方に
は各破砕室上端部の合計面積を略維持して上方へ延長す
る環状の分級室を形成し、該分級室の上部には分級流体
と共に粉砕物を内の内周面に沿って排出させる排出口を
開設し、該排出口の少なくとも下側縁部近くまで粉砕媒
体を充填させ、内筒の天井部には分級流体の流出口を設
け、かつ、内筒の下部には粉砕物の回収口を設け、前記
振動槽には、回転軸の軸線方向を略垂直方向に向けた状
態で振動体を取り付けた構成とした。(Means for Solving the Problems) As means for solving the first problem, in the vibrating pulverizing classifier according to claim 1, a large number of pulverizing media for pulverizing the pulverized raw material are accommodated and vibrated. The vibration tank to be installed is formed in an annular shape by the inner cylinder and the outer cylinder, and the inside of the annular space is divided into a plurality of crushing chambers in the circumferential direction by a partition member, and the width of each crushing chamber is from below in the circumferential direction. Each partition member is inclined so as to gradually increase upward, a raw material input port to each crushing chamber is opened in the vibration tank, and an inlet for a classification fluid is opened at the bottom of each crushing chamber, and each crushing chamber is opened. Above the crushing chamber is formed an annular classifying chamber extending substantially upward while substantially maintaining the total area of the upper ends of the crushing chambers. Establish an outlet to discharge and at least close to the lower edge of the outlet. At the ceiling of the inner cylinder is provided with an outlet for the classification fluid, and at the lower part of the inner cylinder is provided a recovery port for the crushed material. The configuration was such that the vibrating body was attached in a state of being directed substantially vertically.
また、上記第2の課題を解決するための手段として、
請求項2記載の振動粉砕分級装置では、請求項1記載の
振動粉砕分級装置において、環状振動槽内に、該振動槽
の振動を粉砕媒体に強制的に伝える邪魔部材を設けた構
成とした。Further, as means for solving the second problem,
According to a second aspect of the present invention, there is provided a vibration crushing and classifying apparatus according to the first aspect, wherein an obstacle member for forcibly transmitting vibration of the vibrating tank to the crushing medium is provided in the annular vibrating tank.
(作用) 請求項1記載の振動粉砕分級装置では、上述のように
構成したので、環状振動槽に対して略垂直に設けられた
回転軸を中心にして略水平回転する振動体によって、環
状振動槽を円周方向に振動させ、各破砕室及び分級室内
に収容された多数個の粉砕媒体を振動させつつ円周方向
に回動させて各破砕室へ投入された粉砕原料を効率的に
粉砕すると共に、幅が円周方向において下方から上方へ
逓増する各破砕室の底部流入口から流入し、上端部へ向
うにつれ流速が漸減する分級流体によって各粒度の粉砕
物をその重量に抗して吹き上げ得る位置まで順次上昇さ
せ、各破砕室の上端部へ上昇した最小粒度の粉砕物を最
低流速の分級流体により分級室内を上昇させ、排出口よ
り排出させることによって目標粒度の粉砕物が分級され
る。(Operation) In the vibration crushing and classifying apparatus according to the first aspect, the vibration crusher is configured as described above. The tank is vibrated in the circumferential direction, and a large number of pulverizing media accommodated in each of the crushing chambers and the classifying chamber are vibrated while rotating in the circumferential direction to efficiently pulverize the pulverized raw material supplied to each of the crushing chambers. At the same time, the width of the crushing chamber gradually increases from below in the circumferential direction, flows in from the bottom inlet of each crushing chamber, and the flow rate gradually decreases toward the upper end. The crushed material of the target particle size is classified by raising the crushed material of the smallest particle size that has been raised to the upper end of each crushing chamber by the classification fluid having the lowest flow rate and discharging from the discharge port. You.
また、分級室より分級排出される粉砕物を内筒の内周
面に沿って排出させることにより、粉砕物を遠心力で内
筒の内周面側に付着させて下方へ落下させ、下部に設け
た回収口より目標粒度の粉砕物を回収する一方、前記遠
心力に打ち勝って分級流体の流れに乗って更に上昇した
少量の粉砕物は、天井部に設けた流出口から外部へ吹き
出させた後、バグフィルタ等で分離回収される。In addition, by discharging the crushed material discharged from the classification chamber along the inner peripheral surface of the inner cylinder, the crushed material is attached to the inner peripheral surface side of the inner cylinder by centrifugal force and dropped downward, and the crushed material is dropped to the lower part. While recovering the pulverized material of the target particle size from the provided recovery port, a small amount of the pulverized material, which overcomes the centrifugal force and rides on the flow of the classification fluid and further rises, is blown out from the outlet provided on the ceiling. After that, it is separated and collected by a bag filter or the like.
また、請求項2記載の振動粉砕分級装置では、邪魔部
材によって、粉砕媒体同士の衝突及び接触が複雑にな
り、粉砕原料の粉砕がきわめて細かく行なわれ、さらに
効率のよい粉砕及び分級が行なえる。Further, in the vibration pulverizing and classifying apparatus according to the second aspect, the collision and contact between the pulverizing media are complicated by the obstruction member, the pulverization of the pulverized raw material is performed very finely, and more efficient pulverization and classification can be performed.
(実施例) 以下、本発明の実施例を図面に基づいて詳細に説明す
る。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
まず、第1実施例の構成を説明する。 First, the configuration of the first embodiment will be described.
この実施例の振動粉砕分級装置Aは、第1図〜第4図
に示すように、振動槽1と、原料供給装置2と、振動モ
ータ3と、を主な構成として備えている。As shown in FIGS. 1 to 4, a vibration crushing and classifying apparatus A of this embodiment mainly includes a vibration tank 1, a raw material supply device 2, and a vibration motor 3 as main components.
前記振動槽1は、粉砕原料と粉砕媒体とを収容した状
態で振動させることによって粉砕原料の粉砕を行うため
の槽であって、床面に対して固定可能な基台4上に複数
本のコイルスプリング5を介して振動可能な状態に備え
られている。The vibrating tank 1 is a tank for crushing a crushed raw material by vibrating the crushed raw material and a crushing medium in a housed state, and a plurality of crushed raw materials on a base 4 that can be fixed to a floor surface. It is provided so as to be able to vibrate through the coil spring 5.
また、振動槽1は、大径の円筒状外筒10と、小径の円
筒状内筒11とによって環状に形成されると共に、該環状
空間内がその円周方向に4つの破砕室6に仕切られ、か
つ、各破砕室6内の幅が円周方向において下方から上方
へ逓増するように各仕切り部材60を傾斜させることによ
って、各破砕室6の断面積が下方から上方へ逓増するよ
うに形成されている。The vibration tank 1 is formed in an annular shape by a large-diameter cylindrical outer cylinder 10 and a small-diameter cylindrical inner cylinder 11, and the annular space is divided into four crushing chambers 6 in the circumferential direction. And by inclining each partition member 60 so that the width in each crushing chamber 6 gradually increases from below in the circumferential direction, the cross-sectional area of each crushing chamber 6 gradually increases from below. Is formed.
また、各破砕室6の底部には分級流体を流入させるた
めの多数の流入口61aを開設した底板61が備えられると
共に、該各底板61と前記環状振動槽1の基板12との間に
環状の分級流体分配路13が形成され、前記基板12には分
級流体の供給口14が開設され、この供給口14には流量調
整弁(図示せず)を介してブロア(図示せず)が接続さ
れている。At the bottom of each crushing chamber 6, there is provided a bottom plate 61 having a large number of inlets 61a for allowing the classification fluid to flow, and an annular ring is provided between each bottom plate 61 and the substrate 12 of the annular vibration tank 1. A classification fluid distribution passage 13 is formed, a classification fluid supply port 14 is opened in the substrate 12, and a blower (not shown) is connected to the supply port 14 via a flow rate regulating valve (not shown). Have been.
また、各破砕室6の上方には、各破砕室6における上
端部の面積を略維持して上方へ延長する環状の分級室7
が形成されると共に、該分級室7の上部には、内筒11を
貫通しかつ該内筒11の内周面に沿って分級流体を排出さ
せる方向へ向けて排出口70が開設されると共に、各破砕
室6の上面及び内筒11の上面が環状天板71及び円形天板
15によってそれぞれ閉塞されている。Above each crushing chamber 6, an annular classifying chamber 7 extending upward while substantially maintaining the area of the upper end of each crushing chamber 6 is provided.
Is formed, and a discharge port 70 is opened in the upper part of the classifying chamber 7 so as to penetrate the inner cylinder 11 and discharge the classification fluid along the inner peripheral surface of the inner cylinder 11. The upper surface of each crushing chamber 6 and the upper surface of the inner cylinder 11 are an annular top plate 71 and a circular top plate.
Each is closed by 15.
また、前記円形天板15の中央部には、分級流体と共に
粉砕物を振動槽1の外へ流出させる流出口8が開設さ
れ、この流出口8には集塵機、サイクロン等(図示せ
ず)が接続されると共に、内筒11の下部には粉砕物を中
央部に回収するホッパー16を備え、該ホッパー16の底部
に設けた回収口9には振動槽1の外部へ導出するパイプ
17が接続されている。In the center of the circular top plate 15, an outlet 8 for discharging the pulverized material together with the classification fluid to the outside of the vibrating tank 1 is opened, and a dust collector, a cyclone and the like (not shown) are provided at the outlet 8. A hopper 16 is connected to the lower portion of the inner cylinder 11 and collects pulverized material at a central portion, and a collection port 9 provided at the bottom of the hopper 16 has a pipe leading out of the vibration tank 1.
17 is connected.
また、各排出口70と流出口8との間には、各排出口70
から内筒11の内周面に沿って排出される分級流体をまず
下方へ案内した後上昇させることによって分級流体と粉
砕物との分離を促進するための案内筒18が設けられてい
る。In addition, between each outlet 70 and the outlet 8, each outlet 70
A guide cylinder 18 is provided to guide the classification fluid discharged along the inner peripheral surface of the inner cylinder 11 downward first, and then raise the classification fluid to promote separation of the classification fluid from the pulverized material.
そして、各破砕室6内から分級室7における排出口70
の下側縁部に至るまでの間には球状の粉砕媒体Bが多数
個収容されている。Then, a discharge port 70 in the classifying chamber 7 is provided from each crushing chamber 6.
A large number of spherical grinding media B are accommodated before reaching the lower edge.
また、各破砕室6の底部近くの外筒10には粉砕原料G
を投入するための原料投入口62がそれぞれ開設されてい
る。In addition, the outer cylinder 10 near the bottom of each crushing chamber 6 has
The raw material input ports 62 for inputting the raw materials are respectively opened.
前記原料供給装置2は、前記各原料投入口62に粉砕原
料Gを均等に分配供給するための手段であって、前記外
筒10の外周を囲む状態に設けられた環状の分配管20の底
部と各原料投入口62との間がそれぞれ分岐管21によって
接続されると共に、分配管20の上面には開閉バルブ22を
備えた原料供給筒23が接続された構造となっており、こ
の原料供給筒23には、ホッパ等(図示せず)が接続され
ている。The raw material supply device 2 is a means for evenly distributing and supplying the crushed raw material G to each of the raw material input ports 62, and a bottom portion of an annular distribution pipe 20 provided so as to surround an outer periphery of the outer cylinder 10. And a raw material supply port 23 having an open / close valve 22 is connected to the upper surface of the distribution pipe 20. A hopper and the like (not shown) are connected to the cylinder 23.
前記振動モータ3は、前記環状の振動槽1を円周方向
に振動させる振動体を構成するものであって、この実施
例では、振動槽1の対向する左右外周面の下部位置に、
それぞれブラケット30,30を介して振動モータ3,3が設け
られており、この各振動モータ3,3は、その回転軸の軸
線方向を垂直状態から振動槽1の円周方向に僅かに(1
〜3゜程度)傾斜させた状態で取り付けられている。The vibrating motor 3 constitutes a vibrating body for vibrating the annular vibrating tank 1 in a circumferential direction. In this embodiment, the vibrating motor 3 is provided at a lower position of opposing left and right outer peripheral surfaces of the vibrating tank 1.
Vibration motors 3, 3 are provided via brackets 30, 30, respectively. The respective vibration motors 3, 3 move the axis of their rotating shafts from the vertical state slightly in the circumferential direction of the vibration tank 1 (1).
(Approximately 3 °)).
次に、実施例の作用を説明する。 Next, the operation of the embodiment will be described.
この実施例の振動粉砕分級装置Aでは上記構成より成
るため、まず、両振動モータ3,3を作動させると、両振
動モータ3,3における振子の振動方向が円周方向におい
て同調するため、振動槽1を主に円周方向、即ち振動槽
1の中央部を中心とし、その円周方向にほぼ沿った僅か
な上下動を伴った往復回転運動をするように振動させる
ことになり、この振動作用によって、各破砕室6及び分
級室7内に収容された多数個の粉砕媒体Bを振動させつ
つ円周方向に少しづつ回動させることになり、従って、
粉砕媒体Bは各破砕室6内をその斜面に沿って略V字状
に移動し、各仕切り部材60の上端部を越え分級室7内を
経由して隣りの破砕室6へ流れ込むという流れが生じる
ことになる。Since the vibration pulverizing and classifying apparatus A of this embodiment has the above-described configuration, first, when the two vibration motors 3, 3 are operated, the vibration directions of the pendulums in the two vibration motors 3, 3 are synchronized in the circumferential direction. The tank 1 is vibrated so as to make a reciprocating rotational movement mainly in the circumferential direction, that is, the center of the vibrating tank 1 with a slight vertical movement substantially along the circumferential direction. By the action, a large number of the crushing media B accommodated in each of the crushing chambers 6 and the classifying chambers 7 are rotated little by little in the circumferential direction while vibrating.
The flow of the crushing medium B moving in each of the crushing chambers 6 along the slope thereof in a substantially V-shape, flowing over the upper end of each partition member 60 and flowing into the adjacent crushing chamber 6 via the inside of the classifying chamber 7. Will happen.
そして、この状態で原料供給装置2における開閉バル
ブ22を開いて原料供給筒23に粉砕原料Gを供給すると、
同原料供給筒23から環状の分配管20内に落下供給された
粉砕原料Gは、振動槽1の外周面にほぼ沿った円運動を
するような振動作用によって同分配管20内を振動しなが
ら一方向へ移送され、各分岐管21及び原料投入口62を経
由して各破砕室6の内底部にそれぞれ分配供給され、前
述した各粉砕媒体Bの振動作用によって効率的に粉砕さ
れることになる。Then, in this state, when the opening and closing valve 22 of the raw material supply device 2 is opened to supply the raw material G to the raw material supply cylinder 23,
The pulverized raw material G dropped and supplied from the raw material supply cylinder 23 into the annular distribution pipe 20 vibrates in the same distribution pipe 20 by vibrating action such as to make a circular motion substantially along the outer peripheral surface of the vibration tank 1. It is transferred in one direction, distributed and supplied to the inner bottom of each crushing chamber 6 via each branch pipe 21 and the raw material inlet 62, and is efficiently crushed by the vibration action of each crushing medium B described above. Become.
そこで、ブロアを作動させて供給口14に分級流体を送
り込むと、該分級流体は環状の分級流体分配路13及び各
底板61に開設された流入口61aを経由して各破砕室6内
にそれぞれ供給されると共に、該分級流体は破砕室6内
をその下端から上方へ流速が漸減するように流動し、破
砕室6内の各位置で粉砕媒体Bによって粉砕された各粉
砕物には破砕室6内の各位置の断面積によってそれぞれ
規定される各流速で上方へ流動する分級流体がそれぞれ
吹きつけられる。Then, when the blower is operated to feed the classification fluid to the supply port 14, the classification fluid flows into the respective crushing chambers 6 via the annular classification fluid distribution passage 13 and the inflow ports 61a opened in the respective bottom plates 61. While being supplied, the classification fluid flows in the crushing chamber 6 upward from its lower end so that the flow velocity gradually decreases, and at each position in the crushing chamber 6, each crushed material pulverized by the crushing medium B has a crushing chamber. The classification fluid that flows upward at each flow rate respectively defined by the cross-sectional area of each position in 6 is blown.
そして、破砕室6内の各位置で破砕されて各位置で流
動する分級流体の吹き上げ力以上の重力をもつ破砕物は
分級流体で吹き上げられずに停滞若しくは沈降する一
方、各位置を流動する分級流体の吹き上げ力以下の重力
をもつ粉砕物は各流速の分級流体で吹き上げられて当該
粉砕物の重力以下の吹き上げ力をもつ分級流体が流動す
る位置まで上昇する。The crushed material having a gravitational force equal to or higher than the blowing force of the classification fluid crushed at each position in the crushing chamber 6 and flowing at each position is stagnated or settled without being blown up by the classification fluid, while being classified at each position. The pulverized material having a gravitational force equal to or less than the fluid blowing force is blown up by the classifying fluid at each flow rate, and rises to a position where the classified fluid having a blasting force less than the gravitational force of the crushed material flows.
このように、各粒度の粉砕物について上記動作が反復
されて破砕室6内にはそれぞれほぼ同一粒度をもつ粉砕
物の層が、下層から上層へと粒度が漸減するように分布
して積層される。そして、最小粒度の粉砕物Hは粉砕室
6の上端へ上昇し、この上端へ上昇した粉砕物Hの粒度
が目標粒度となり、この最小粒度の粉砕物Hだけが、各
破砕室6上端部の合計面積を略維持して上方へ延長しか
つ収容粉砕媒体Bによりその断面積を絞られた分級室7
内を上昇する最低流速の分級流体によって分級室7の上
方へ吹き上げられ、各粒度の粉砕物中から目標粒度の粉
砕物Hが分級されると共に、粉砕媒体Bの上端部まで上
昇した粉砕物Hは各排出口70より内筒11内に排出され
る。In this way, the above operation is repeated for the crushed material of each particle size, and the layers of the crushed material having substantially the same particle size are laminated and distributed in the crushing chamber 6 from the lower layer to the upper layer so that the particle size gradually decreases. You. The crushed material H having the smallest particle size rises to the upper end of the crushing chamber 6, and the particle size of the crushed material H rising to the upper end becomes the target particle size. Classification chamber 7 which extends upward while maintaining the total area substantially and whose cross-sectional area is narrowed down by containing grinding medium B
The pulverized material H, which has been blown up by the classification fluid having the lowest flow velocity rising inside the classification chamber 7 to classify the pulverized material H having the target particle size from among the pulverized materials of each particle size, and has risen to the upper end of the pulverization medium B. Is discharged into the inner cylinder 11 from each discharge port 70.
そして、各排出口70から分級流体と共に内筒11の内周
面に沿って排出された目標粒度の粉砕物Hは、分級流体
の流れによる遠心力によって内筒11の内周面側に付着さ
れて分級流体から分離され、分級流体は案内筒18の下端
部から中心部方向へUターンして上昇し、流出口8から
振動槽1の外部へ流出させると共に、分級流体から分離
され、内筒11の内周面に沿って下方へ落下した粉砕物H
は、その下方に備えたホッパー16で集められ、回収口9
からパイプ17を経由して振動槽1の外部へ取り出される
ことになる。Then, the pulverized material H having the target particle size discharged from each outlet 70 along with the classification fluid along the inner peripheral surface of the inner cylinder 11 is attached to the inner peripheral surface side of the inner cylinder 11 by centrifugal force due to the flow of the classification fluid. The separation fluid is separated from the classification fluid by a U-turn from the lower end of the guide tube 18 toward the center and rises to the outside of the vibration tank 1 through the outlet 8 and separated from the classification fluid. Crushed material H that has fallen down along the inner peripheral surface of 11
Is collected by a hopper 16 provided thereunder, and collected by a collecting port 9.
From the vibrating tank 1 through the pipe 17.
また、流出口8より流出した分級流体は、バグフィル
タ,集塵機等を経由させることによって、該分級流体に
含まれる少量(3%程度)の粉砕物Hを分離回収した状
態で大気に放出されることになる。The classified fluid that has flowed out of the outlet 8 is discharged to the atmosphere after passing through a bag filter, a dust collector, and the like to separate and recover a small amount (about 3%) of the crushed material H contained in the classified fluid. Will be.
従って、本実施例の振動粉砕分級装置Aにあっては、
粉砕原料Gを順次粉砕しながら、粉砕した各粉砕物をそ
の重力に抗して分級流体で吹き上げうる位置へ順次上昇
させ、破砕室6の上端へ上昇した目標粒度の粉砕物Hの
みを分級室7内へ吹き上げて目標粒度の粉砕物Hを各粒
度の粉砕物群中から的確かつ効率的に分級することがで
き、分級した粉砕物Hの粒度を均整化しかつ粉砕、分級
工程を能率化しうると共に、粉砕原料Gの粉砕と目標粒
度の粉砕物Hの分級とが環状空間内で同時に行えるの
で、機構を大幅に簡略化およびコンパクトしうる効果が
ある。Therefore, in the vibration crushing and classifying apparatus A of the present embodiment,
While crushing the crushed raw material G sequentially, each crushed material is sequentially raised to a position where the crushed material can be blown up by the classification fluid against the gravity thereof, and only the crushed material H having the target particle size raised to the upper end of the crushing chamber 6 is classified. 7, the pulverized material H having the target particle size can be classified accurately and efficiently from the pulverized material group of each particle size, the particle size of the classified pulverized material H can be leveled, and the pulverization and classification steps can be streamlined. At the same time, the pulverization of the pulverized raw material G and the classification of the pulverized material H having the target particle size can be performed simultaneously in the annular space, so that the mechanism can be greatly simplified and compacted.
また、内筒11の中空部内を分級流体と粉砕物Hの分離
を行うサイクロンの設置スペースとして有効利用できる
ので、装置のコンパクト化が可能になり、かつ、振動体
を構成する振動モータ3による振動槽1の振動をサイク
ロンにおける粉砕物Hの落下促進作用に有効利用できる
ようになる。Further, since the inside of the hollow portion of the inner cylinder 11 can be effectively used as an installation space for a cyclone for separating the classification fluid and the pulverized material H, the apparatus can be made compact, and the vibration generated by the vibration motor 3 constituting the vibrator can be achieved. The vibration of the tank 1 can be effectively used for the action of accelerating the fall of the crushed material H in the cyclone.
また、破砕室6の振幅の大きい振動槽1の外周部に設
けられたことで、破砕効率を向上させ得る効果がある。Further, since the crushing chamber 6 is provided on the outer peripheral portion of the vibration tank 1 having a large amplitude, crushing efficiency can be improved.
また、各破砕室6を仕切る仕切り部材60を傾斜させた
ことで、破砕室6内における粉砕媒体Bの回動がし易く
なり、この回動を伴った粉砕媒体Bの振動作用によって
より高い破砕効果が得られるようになる。In addition, the inclination of the partition member 60 that partitions each crushing chamber 6 facilitates the rotation of the crushing medium B in the crushing chamber 6, and the crushing medium B vibrates with the rotation to achieve higher crushing. The effect will be obtained.
また、分級室7内に粉砕媒体Bを収容することによ
り、同分級室7内に最低流速の分級流体を流動させるよ
うにしたことで、同分級室7内に収容された粉砕媒体B
の重量で各破砕室6内の粉砕媒体Bが加圧され、粉砕原
料Gが加圧粉砕により効率良く粉砕されると共に、フロ
ック状態の粉砕物Hを分級室7内の粉砕媒体Bで解砕
し、目標粒度より大きい粉砕物は破砕室6に落下させる
ことができるので、分級精度を高めることができるよう
になる。Also, by storing the pulverizing medium B in the classification chamber 7, the classification fluid having the lowest flow rate is caused to flow in the classification chamber 7.
The pulverizing medium B in each of the crushing chambers 6 is pressurized with the weight of, and the pulverized raw material G is efficiently pulverized by the pressurized pulverization, and the pulverized material H in a floc state is crushed by the pulverizing medium B in the classification chamber 7. Since the pulverized material larger than the target particle size can be dropped into the crushing chamber 6, the classification accuracy can be improved.
また、実施例では、分級室7を環状に連通させたこと
で、各破砕室6内の粉砕媒体Bを円周方向に流動させ、
その上面を水平に均一化できると共に、各破砕室6間の
流動によって粉砕媒体Bの量大小やの分布を均一化させ
ることができるようになる。Further, in the embodiment, the classifying chambers 7 are communicated in a ring shape, so that the grinding medium B in each of the crushing chambers 6 flows in the circumferential direction,
The top surface can be made uniform horizontally, and the flow between the crushing chambers 6 can make the distribution of the amount and size of the crushing medium B uniform.
また、実施例では、原料供給装置2として外筒の外周
を囲む環状の分配管20を用いるようにしたことで、振動
槽1の振動作用を利用して各破砕室6内に粉砕原料を均
等かつ効率的に分配供給できるようになる。Further, in the embodiment, the annular distribution pipe 20 surrounding the outer circumference of the outer cylinder is used as the raw material supply device 2, so that the crushed raw material can be evenly distributed in each crushing chamber 6 by using the vibration action of the vibration tank 1. And it can distribute and supply efficiently.
また、実施例では、各振動モータ3,3を、その回転軸
の軸線方向が略垂直状態となるように設けたことで、装
置の上下方向の振動は極めて小さく、このため、装置設
置部への上下方向振動の伝達も微量となって装置の大型
化が可能となる。Further, in the embodiment, each of the vibration motors 3, 3 is provided so that the axis direction of the rotation axis thereof is substantially vertical, so that the vertical vibration of the device is extremely small, and therefore, The transmission of vertical vibration of the device becomes very small, and the device can be made larger.
次に、請求項2に対応した第2実施例の振動分級装置
を第5図により説明する。Next, a vibration classifier according to a second embodiment of the present invention will be described with reference to FIG.
この振動分級装置は、振動槽1内に該振動槽1の振動
を粉砕媒体Bに強制的に伝える邪魔棒(邪魔部材)Cを
設けている点に特徴がある。尚、その他の構成は第1実
施例と同様であるので説明を省略する。This vibration classifier is characterized in that a baffle bar (baffle member) C for forcibly transmitting the vibration of the vibration tank 1 to the pulverizing medium B is provided in the vibration tank 1. The other configuration is the same as that of the first embodiment, and the description is omitted.
従って、この振動分級装置では、邪魔棒Cによって、
粉砕媒体B同士の衝突および接触がきめ細かく行なわ
れ、効率のよい分級が行なえるようになる。Therefore, in this vibration classifier, the baffle C
Collision and contact between the pulverization media B are finely performed, and efficient classification can be performed.
以上、本発明の実施例を図面により詳述してきたが、
具体的な構成はこの実施例に限定されるものではなく、
本発明の要旨を逸脱しない範囲における設計変更等があ
っても本発明に含まれる。The embodiments of the present invention have been described in detail with reference to the drawings.
The specific configuration is not limited to this embodiment,
Even a design change or the like within a range not departing from the gist of the present invention is included in the present invention.
例えば、実施例では、分級室7内を環状に連通させる
ようにしたが、各破砕室6毎に全部または一部を仕切り
板で仕切るようにしてもよい。For example, in the embodiment, the inside of the classifying chamber 7 is communicated in a ring shape, but all or a part of each crushing chamber 6 may be partitioned by a partition plate.
また、実施例では、原料投入口62を各破砕室6の底部
近くに設けるようにしたが、破砕室6の上部、または分
級室7の上部であってもよい。Further, in the embodiment, the raw material inlet 62 is provided near the bottom of each crushing chamber 6, but may be provided above the crushing chamber 6 or above the classifying chamber 7.
また、実施例では、振動体を構成する振動モータ3を
2台用いる場合を示したが、使用台数は任意である。Further, in the embodiment, the case where the two vibration motors 3 constituting the vibrating body are used is shown, but the number of used vibration motors is arbitrary.
また、粉砕媒体Bの形状や材質も任意であり、材質と
しては例えばセラミックス,金属等が用いられる。The shape and material of the pulverizing medium B are also arbitrary. For example, ceramics, metal, and the like are used as the material.
また、分級流体としてはエアの他に窒素ガス等の任意
の気体が用いられる。As the classification fluid, any gas such as nitrogen gas is used in addition to air.
また、第2実施例では、邪魔部材として棒状の邪魔棒
Cを用い、これを円筒状外筒10と円筒状内筒11との間に
横架状態に設けた場合を示したが、その形状や取り付け
方向等は任意であり、例えば、複数の大径穴を穿設した
邪魔板状のものを粉砕媒体Bの移動方向と直行する方向
に設けるようにしてもよい。Further, in the second embodiment, the case where the bar-shaped baffle bar C is used as the baffle member and the bar-shaped baffle bar C is provided between the cylindrical outer cylinder 10 and the cylindrical inner cylinder 11 in a horizontal state has been described. The mounting direction and the like are arbitrary. For example, a baffle plate having a plurality of large-diameter holes may be provided in a direction perpendicular to the moving direction of the crushing medium B.
(発明の効果) 以上説明してきたように請求項1記載の振動粉砕分級
装置にあっては、各破砕室内の幅が円周方向において下
方から上方へ逓増するように各仕切り部材を傾斜させ、
振動槽には各破砕室への原料投入口をそれぞれ開設し、
各破砕室の底部には分級流体の流入口を開設し、各破砕
室の上方には各破砕室上端部の合計面積を略維持して上
方へ延長する環状の分級室を形成し、該分級室の上部に
は分級流体と共に粉砕物を内筒の円周面に沿って排出さ
せる排出口を開設し、該排出口の少なくとも下側縁部近
くまで粉砕媒体を充填したことで、粉砕した各粒度の粉
砕物の中から目標粒度の粉砕物を的確に分級して分級し
た粉砕物の粒度を均整化し得ると共に、粉砕物を粉砕及
び分級するための装置を大幅に簡略化及びコンパクト化
できるようになる。(Effect of the Invention) As described above, in the vibration crushing and classifying apparatus according to claim 1, each partition member is inclined such that the width of each crushing chamber gradually increases from below in the circumferential direction.
In the vibrating tank, raw material input ports to each crushing chamber are opened,
An inlet for the classification fluid is opened at the bottom of each crushing chamber, and an annular classification chamber is formed above the crushing chamber and extends upward while substantially maintaining the total area of the upper end of each crushing chamber. At the upper part of the chamber, a discharge port for discharging the pulverized material along with the classification fluid along the circumferential surface of the inner cylinder was opened, and the pulverization medium was filled at least to the vicinity of the lower side edge of the discharge port, whereby each of the pulverized materials was discharged. It is possible to accurately classify the pulverized product of the target particle size from among the pulverized products of the particle size and to equalize the particle size of the pulverized product, and to greatly simplify and downsize a device for pulverizing and classifying the pulverized product. become.
また、粉砕原料を粉砕する多数個の粉砕媒体が収容さ
れかつ振動可能に設置される振動槽を、内筒と外筒によ
って環状に形成し、該環状空間内をその円周方向に複数
の破砕室に仕切ると共に、該振動槽には、その回転軸の
軸線方向を略垂直方向に向けた状態で振動体を設けたこ
とで、破砕室が振幅の最も大きい振動槽の外周部に位置
することになり、従って破砕効率の向上が可能となる。In addition, a vibrating tank in which a large number of pulverization media for pulverizing the pulverized raw material are accommodated and vibrated is formed by an inner cylinder and an outer cylinder into an annular shape, and the inside of the annular space is divided into a plurality of In addition to partitioning the chamber into chambers, the vibrating chamber is provided with a vibrating body in a state where the axis of the rotation axis is oriented substantially vertically, so that the crushing chamber is located on the outer peripheral portion of the vibrating chamber having the largest amplitude. Therefore, the crushing efficiency can be improved.
また、前述のように各破砕室を仕切る仕切り部材を傾
斜させたことで、破砕室内における粉砕媒体の回動がし
易くなり、従ってこの回動を伴った粉砕媒体の振動作用
によってより高い破砕効果が得られるようになる。Also, as described above, by inclining the partition member that partitions each crushing chamber, the rotation of the crushing medium in the crushing chamber becomes easy, and therefore, a higher crushing effect is obtained by the vibration action of the crushing medium accompanying this rotation. Can be obtained.
また、内筒の天井部には分級流体の流出口を設け、か
つ、内筒の下部には粉砕物の回収口を設けると共に、分
級流体と共に粉砕物を内筒の内周面に沿って排出させる
ように排出口を開設したことで、内筒の中空部内を分級
流体と粉砕物の分離を行うサイクロンの設置スペースと
して有効利用でき、従って、装置のコンパクト化が可能
になり、かつ、振動体による振動槽の振動をサイクロン
における粉砕物の落下促進作用に有効利用できるように
なる。In addition, an outlet for the classification fluid is provided at the ceiling of the inner cylinder, and a pulverized material recovery port is provided at the lower part of the inner cylinder. The pulverized material is discharged along with the classification fluid along the inner peripheral surface of the inner cylinder. By opening the discharge port so as to make it possible to effectively use the inside of the hollow portion of the inner cylinder as an installation space for the cyclone for separating the classification fluid and the pulverized material, the device can be made compact and the vibrator The vibration of the vibrating tank caused by the above can be effectively used for the action of accelerating the falling of the crushed material in the cyclone.
また、分級室内に粉砕媒体を収容することにより、同
分級室内に最低流速の分級流体を流動させるようにした
ことで、同分級室内に収容された粉砕媒体の重量で各破
砕室内の粉砕媒体が加圧され、粉砕原料が加圧粉砕によ
り効率良く粉砕されると共に、フロック状態の粉砕物を
分級室内の粉砕媒体で解砕し、目標粒度より大きい粉砕
物は破砕室に落下させることができるので、分級精度を
高めることができるようになる。Also, by storing the pulverizing medium in the classifying chamber, the classifying fluid having the lowest flow rate is caused to flow in the classifying chamber, so that the pulverizing medium in each of the pulverizing chambers is reduced by the weight of the pulverizing medium stored in the classifying chamber. Pressurized, the pulverized raw material is efficiently pulverized by the pressurized pulverization, and the pulverized material in the floc state is disintegrated with the pulverizing medium in the classification chamber, and the pulverized material larger than the target particle size can be dropped into the crushing chamber. , The classification accuracy can be improved.
また、振動体の取り付け方向を、その回転軸の軸線方
向が略垂直になるようにしたことで、装置の上下方向振
動に基づく装置設置部の上下振動を無くすことができ、
これにより装置の大型化が可能になる等の効果が得られ
る。Also, by setting the mounting direction of the vibrating body so that the axis direction of the rotation axis is substantially perpendicular, it is possible to eliminate the vertical vibration of the device installation part based on the vertical vibration of the device,
As a result, effects such as an increase in the size of the device can be obtained.
また、請求項2記載の振動粉砕分級装置にあっては、
振動槽内に邪魔部材を設けたことで、粉砕媒体同士の衝
突及び接触効率が増大し、粉砕及び分級精度がさらに向
上するという効果が得られる。In the vibration crushing and classifying apparatus according to claim 2,
Providing the baffle member in the vibrating tank increases the collision and contact efficiency between the pulverizing media, thereby obtaining the effect of further improving the pulverization and classification accuracy.
第1図は本発明第1実施例の振動粉砕分級装置を示す正
面図、第2図は同縦断側面図、第3図は第2図I−I線
における横断面図、第4図は同内部構造を示す要部の斜
視図、第5図は本発明第2実施例の振動粉砕分級装置を
示す要部の斜視図である。 1:振動槽 3:振動モータ(振動体) 6:破砕室 7:分級室 8:流出口 9:回収口 10:外筒 11:内筒 60:仕切り部材 61a:流入口(分級流体の) 62:原料投入口 70:排出口 B:粉砕媒体 C:邪魔棒(邪魔部材) G:粉砕原料 H:粉砕物1 is a front view showing a vibration crushing and classifying apparatus according to a first embodiment of the present invention, FIG. 2 is a vertical side view of the same, FIG. 3 is a transverse sectional view taken along the line II of FIG. 2, and FIG. FIG. 5 is a perspective view of an essential part showing an internal structure, and FIG. 5 is a perspective view of an essential part showing a vibration crushing and classifying apparatus of a second embodiment of the present invention. 1: Vibration tank 3: Vibration motor (vibrator) 6: Crushing chamber 7: Classification chamber 8: Outlet 9: Recovery port 10: Outer cylinder 11: Inner cylinder 60: Partition member 61a: Inlet (of classified fluid) 62 : Material input port 70: Discharge port B: Grinding medium C: Disturbing rod (disturbing member) G: Grinding raw material H: Grinding material
Claims (2)
容されかつ振動可能に設置される振動槽を、内筒と外筒
によって環状に形成し、該環状空間内を仕切り部材でそ
の円周方向に複数の破砕室に仕切り、各破砕室内の幅が
円周方向において下方から上方へ逓増するように各仕切
り部材を傾斜させ、 該振動槽には各破砕室への原料投入口をそれぞれ開設
し、各破砕室の底部には分級流体の流入口を開設し、各
破砕室の上方には各破砕室上端部の合計面積を略維持し
て上方へ延長する環状の分級室を形成し、 該分級室の上部には分級流体と共に粉砕物を内の内周面
に沿って排出させる排出口を開設し、該排出口の少なく
とも下側縁部近くまで粉砕媒体を充填させ、内筒の天井
部には分級流体の流出口を設け、かつ、内筒の下部には
粉砕物の回収口を設け、 前記振動槽には、回転軸の軸線方向を略垂直方向に向け
た状態で振動体を取り付けたことを特徴とする振動粉砕
分級装置。1. A vibrating tank for accommodating a large number of crushing media for crushing a crushed raw material and being installed so as to be able to vibrate is formed in an annular shape by an inner cylinder and an outer cylinder, and the inside of the annular space is formed into a circle by a partition member. A plurality of crushing chambers are circumferentially partitioned, and each partition member is inclined such that the width of each crushing chamber gradually increases from below to above in the circumferential direction. Establish a flow inlet for classification fluid at the bottom of each crushing chamber, and form an annular classification chamber above and above the crushing chamber and extending upward while substantially maintaining the total area of the upper end of each crushing chamber. In the upper part of the classifying chamber, an outlet for discharging the pulverized material along the inner peripheral surface together with the classification fluid is opened, and the pulverizing medium is filled at least near the lower edge of the outlet, and An outlet for the classification fluid is provided at the ceiling, and the pulverized material is The mouth is provided, wherein the vibration chamber, vibration pulverizing and classifying apparatus characterized by fitted with a vibrator in the axial direction of the rotary shaft substantially in a state of vertically oriented.
強制的に伝える邪魔部材を設けた請求項1記載の振動粉
砕分級装置。2. The vibration-pulverizing and classifying apparatus according to claim 1, wherein an obstacle member for forcibly transmitting vibration of the vibration tank to the pulverizing medium is provided in the vibration tank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28547889A JP2764218B2 (en) | 1989-10-31 | 1989-10-31 | Vibration grinding classifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28547889A JP2764218B2 (en) | 1989-10-31 | 1989-10-31 | Vibration grinding classifier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03146144A JPH03146144A (en) | 1991-06-21 |
JP2764218B2 true JP2764218B2 (en) | 1998-06-11 |
Family
ID=17692039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28547889A Expired - Fee Related JP2764218B2 (en) | 1989-10-31 | 1989-10-31 | Vibration grinding classifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2764218B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5165829B2 (en) * | 2004-02-26 | 2013-03-21 | 日東電工株式会社 | Rolled wafer processing adhesive sheet |
-
1989
- 1989-10-31 JP JP28547889A patent/JP2764218B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03146144A (en) | 1991-06-21 |
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