JP2507273B2 - Powder quantitative transfer device - Google Patents
Powder quantitative transfer deviceInfo
- Publication number
- JP2507273B2 JP2507273B2 JP10082587A JP10082587A JP2507273B2 JP 2507273 B2 JP2507273 B2 JP 2507273B2 JP 10082587 A JP10082587 A JP 10082587A JP 10082587 A JP10082587 A JP 10082587A JP 2507273 B2 JP2507273 B2 JP 2507273B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- container
- fluidized bed
- gas
- amount
- 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 - Lifetime
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- Air Transport Of Granular Materials (AREA)
Description
【発明の詳細な説明】 <産業上の利用分野> 本発明は粉体の定量移送装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to a powder quantitative transfer device.
粉体を取扱う食品や医薬品更には新素材等の業界で
は、粉砕、乾燥、造粒、混合、成形、反応、包装等を行
なう際に、粉体を定量的に供給し又は排出することが重
要である。特に近年の多様化した高技術製品時代では、
相応する高度の管理操作が要求され、このためには粉体
を一層高精度で連続的に且つ定量的に供給し又は排出す
ることが必須である。In industries such as foods, pharmaceuticals, and new materials that handle powders, it is important to quantitatively supply or discharge powders during pulverization, drying, granulation, mixing, molding, reaction, packaging, etc. Is. Especially in the era of diversified high-tech products in recent years,
A correspondingly high degree of control is required, for which it is essential to supply or discharge the powder in a more precise, continuous and quantitative manner.
本発明は上記のような連続定量供給又は排出を行なう
ことができる粉体の移送装置に関するものである。The present invention relates to a powder transfer device capable of performing continuous fixed amount supply or discharge as described above.
<従来の技術、その問題点> 従来、粉体の定量供給装置として、ロータリーフィー
ダーやテーブルフィーダーがある。ところが、この種の
従来装置によると、ローターやテーブルの回転数に限度
があるため、粉体を少量供給する場合に該供給が断続的
になるという問題点がある。<Prior Art and its Problems> Conventionally, rotary feeders and table feeders have been used as powder quantitative supply devices. However, according to this type of conventional device, there is a limit to the number of rotations of the rotor and the table, and therefore, when a small amount of powder is supplied, the supply is intermittent.
また従来、粉体の定量供給装置として、ベルトフィー
ダーやエプロンフィーダーがある。ところが、この種の
従来装置によると、粉体の大量供給には適応するが、粉
体の少量供給には適応し難く、汚染(異物混入等)防止
のための密閉構造化にも不向きという問題点がある。Conventionally, belt feeders and apron feeders have been used as powder quantitative supply devices. However, according to this type of conventional device, although it is suitable for supplying a large amount of powder, it is not suitable for supplying a small amount of powder, and is not suitable for a closed structure for preventing contamination (for example, mixing foreign matter). There is a point.
更に従来、粉体の定量供給装置として、スクリューフ
ィーダーの類がある。ところが、この種の従来装置によ
ると、粉体供給量の制御は容易であるが、粉体の圧縮や
変形及び破砕等を引き起こすという問題点がある。Further, conventionally, there is a kind of screw feeder as a powder quantitative supply device. However, according to this type of conventional device, although the powder supply amount can be easily controlled, there is a problem in that the powder is compressed, deformed, and crushed.
そして従来、粉体の定量供給装置として、電磁振動フ
ィーダーの類がある。ところが、この種の従来装置によ
ると、粉体の物性や形状によってその供給量が大幅に変
動するという問題点がある。Conventionally, there is a type of electromagnetic vibration feeder as a quantitative powder supply device. However, according to this type of conventional apparatus, there is a problem in that the supply amount of the powder varies significantly depending on the physical properties and shape of the powder.
<発明が解決しようとする問題点、その解決手段> 本発明は叙上の如き従来の問題点を解決する新たな定
量移送装置を提供するものである。<Problems to be Solved by the Invention and Means for Solving the Problems> The present invention provides a new quantitative transfer device for solving the above-mentioned conventional problems.
しかして本発明は、 1〜数個の振動発生源を装備する容器がある種の自由
運動を与えられるように1〜数個のスプリングの如き弾
性体で支持されており、該容器には粉体供給口と絞り弁
を具備する粉体排出口とが開設され、更に該粉体排出口
の下方に気体分散材が装着されていて、振動発生源を稼
働させて容器を振動させ、併せて気体分散材を介し容器
内へ気体を吹き込むことにより、粉体供給口から供給し
た粉体を流動化させて該粉体の流動層高内に位置決めさ
れている粉体排出口から絞り弁の操作で定量排出するよ
うに構成してなる粉体の定量移送装置に係る。Therefore, the present invention is that a container equipped with 1 to several vibration sources is supported by elastic bodies such as 1 to several springs so as to give some kind of free movement, and the container is provided with a powder. A body supply port and a powder discharge port equipped with a throttle valve are opened, and a gas dispersion material is further mounted below the powder discharge port, and a vibration source is activated to vibrate the container. By blowing gas into the container through the gas dispersion material, the powder supplied from the powder supply port is fluidized and the throttle valve is operated from the powder discharge port positioned in the fluidized bed height of the powder. The present invention relates to a powder quantitative transfer device configured to quantitatively discharge the powder.
本発明において肝要な点は、従来の流動層装置では流
動化が不可能といわれる微粉の粉体であっても、該粉体
にある種の自由運動を与える振動を加え、併せて該粉体
に分散気体を下方から吹き込むと、該粉体は、バブリン
グやスラッギングの少ない、あたかも液体の如き安定し
た流動層を形成するという特有の現象を活用し、かかる
現象下、該流動層高内における均質な分散状態の粉体を
気体と共に移送させる処にある。The essential point in the present invention is that even if the powder is a fine powder that cannot be fluidized by the conventional fluidized bed apparatus, the powder is subjected to a vibration that gives some kind of free movement, and the powder is also used. When a dispersed gas is blown into the powder from below, the powder takes advantage of the unique phenomenon of forming a stable fluidized bed with little bubbling and slugging, as if it were a liquid, and under such a phenomenon, it is homogeneous within the fluidized bed height. It is in the process of transferring powder in various dispersed states together with gas.
以下、図面に基いて本発明の構成を更に詳細に説明す
る。Hereinafter, the configuration of the present invention will be described in more detail with reference to the drawings.
<実施例> 第1図は本発明の一実施例を一部断面状態で示す全体
図である。円筒状の竪型容器11が取付枠12に立設されて
おり、振動モータ13を装備する該取付枠12はスプリング
14,15で基台16に支持されている。竪型容器11には、そ
の上方から下方へ順に、気体排出口21、粉体供給口22、
微粉返送口23及び粉体排出口24が開設され、粉体供給口
22と微粉返送口23との間に後述する粉体Aの流動層より
も上方で粉体分散材31が装着されていて、粉体排出口24
の下方に気体分散材32が装着されている。そして、気体
排出口21は集塵器41へ連結され、気体排出口21から気体
に同伴して飛散する微粉を集塵器41で回収してバルブ51
を介し微粉返送口23へと返送し、また粉体供給口22はバ
ルブ52を介し原料容器42へ連結され、竪型容器11内にお
ける粉体分散材31の上方と気体分散材32の下方との間の
圧力損失に応じてバルブ52の開度を調節することによ
り、原料容器42から粉体供給口22への粉体供給量を制御
し、更に粉体排出口24は絞り弁61を具備して集塵器43へ
連結され、集塵器43の後方に付設されている流量計71の
値を確認しつつ絞り弁61を操作することにより、竪型容
器11内で流動層を形成している粉体Aの適量を粉体排出
口24から排出して集塵器43で回収するようになってい
る。<Embodiment> FIG. 1 is an overall view showing an embodiment of the present invention in a partially sectional state. A cylindrical vertical container 11 is erected on a mounting frame 12, and the mounting frame 12 equipped with a vibration motor 13 is a spring.
It is supported by the base 16 at 14,15. The vertical container 11 has a gas discharge port 21, a powder supply port 22, and a powder supply port 22 in order from the upper side to the lower side.
The fine powder return port 23 and the powder discharge port 24 are opened, and the powder supply port
A powder dispersion material 31 is mounted between the fine powder return port 23 and the fine powder return port 23 above the fluidized bed of the powder A, which will be described later.
A gas dispersion material 32 is mounted below the. Then, the gas discharge port 21 is connected to the dust collector 41, and fine particles that are scattered along with the gas from the gas discharge port 21 are collected by the dust collector 41 and the valve 51 is used.
Via the valve, the powder supply port 22 is connected to the raw material container 42 via the valve 52, above the powder dispersion material 31 and below the gas dispersion material 32 in the vertical container 11. By adjusting the opening degree of the valve 52 according to the pressure loss during the period, the powder supply amount from the raw material container 42 to the powder supply port 22 is controlled, and the powder discharge port 24 is provided with a throttle valve 61. Then, by operating the throttle valve 61 while confirming the value of the flow meter 71 attached to the rear of the dust collector 43, a fluidized bed is formed in the vertical container 11. An appropriate amount of the powder A is discharged from the powder discharge port 24 and collected by the dust collector 43.
振動モータ13を稼働させて竪型容器11を振動させ、し
たがって粉体分散材31及び気体分散材32も振動させて、
更にコンプレッサー81からバルブ53、流量計72、バルブ
54及び気体分散材32を介し竪型容器11内へ気体を吹き込
むと、竪型容器11内の粉体Aはあたかも液体の如き安定
した流動層を形成するので、この際、一方で原料容器42
からバルブ52、粉体供給口22及び粉体分散材31を介して
竪型容器11内へ粉体Aを連続的に供給し、他方で流動層
を形成する粉体Aを該流動層高内に位置決めされている
粉体排出口24から絞り弁61を介し排出して、排出した粉
体Aを集塵器43で回収した後、更に次工程へと供給する
構成である。The vibration motor 13 is operated to vibrate the vertical container 11, and thus the powder dispersion material 31 and the gas dispersion material 32 are also vibrated.
Furthermore, from compressor 81 to valve 53, flow meter 72, valve
When the gas is blown into the vertical container 11 through 54 and the gas dispersion material 32, the powder A in the vertical container 11 forms a stable fluidized bed as if it were a liquid.
From the valve 52, the powder supply port 22 and the powder dispersion material 31 to continuously supply the powder A into the vertical container 11, while the powder A forming a fluidized bed is supplied to the inside of the fluidized bed height. The powder A is discharged through the throttle valve 61 from the powder discharge port 24, which is positioned at, and the discharged powder A is collected by the dust collector 43 and then supplied to the next step.
第2図〜第5図は本発明の他の一実施例を各別に示す
要部断面図である。第2図と第3図において、説明を省
略する他の構成は第1図の場合と同様であるが、竪型容
器17,18には粉体B,Cの流動層高内で絞り弁62,63を具備
する粉体排出口25,26が開設され、該粉体排出口25,26の
下方に気体分散材33,34が装着されていて、該気体分散
材33,34はそれぞれ中央の気体分散材33a,34aとその周部
の気体分散材33b,34bとに2分割されており、気体分散
材34bは逆円錐状に傾斜している。これらの実施例で
は、気体分散材33a,34aと気体分散材33b,34bとの間で気
体の吹き込み量をそれぞれ制御することにより、粉体B,
Cの流動状態を適宜に変えることができる。また第4図
と第5図において、説明を省略する他の構成は第1図の
場合と同様であるが、絞り弁64,65を具備する粉体排出
口27,28が、粉体排出口27の場合には気体分散材35の上
方から竪型容器19内における粉体Dの流動層高内へと挿
入されたパイプの先端部に開設され、粉体排出口28の場
合には気体分散材36の下方から竪型容器20内における粉
体Eの流動層高内へと挿入されたパイプの先端部に開設
されている。これらの実施例でも、気体分散材35,36を
前述したように2分割することができ、粉体排出口27,2
8の開口形状は、単なる筒状、スリット状又は網状等、
いずれでもよい。2 to 5 are cross-sectional views of the essential parts showing another embodiment of the present invention. 2 and 3 are the same as in the case of FIG. 1 except for the description thereof, except that the vertical containers 17 and 18 have a throttle valve 62 within the height of the fluidized bed of powders B and C. , 63 are provided with powder discharge ports 25, 26, and the gas dispersion materials 33, 34 are mounted below the powder discharge ports 25, 26, and the gas dispersion materials 33, 34 are respectively located at the center. The gas dispersion materials 33a and 34a and the gas dispersion materials 33b and 34b on the periphery thereof are divided into two parts, and the gas dispersion material 34b is inclined in an inverted conical shape. In these examples, by controlling the amount of gas blown between the gas dispersion material 33a, 34a and the gas dispersion material 33b, 34b, respectively, the powder B,
The flow state of C can be changed appropriately. In addition, in FIGS. 4 and 5, the other configurations which are not described are the same as those in FIG. 1, but the powder discharge ports 27 and 28 equipped with the throttle valves 64 and 65 are In the case of 27, it is opened at the tip of the pipe inserted from above the gas dispersion material 35 into the height of the fluidized bed of the powder D in the vertical container 19, and in the case of the powder discharge port 28, gas dispersion is performed. It is provided at the tip of a pipe inserted from below the material 36 into the fluidized bed height of the powder E in the vertical container 20. Also in these embodiments, the gas dispersion materials 35 and 36 can be divided into two as described above, and the powder discharge ports 27 and 2
The opening shape of 8 is a simple tubular shape, a slit shape, a net shape, or the like.
Either is fine.
いうまでもないが、図示した実施例は本発明の好適例
であり、本発明が該実施例に限定されるというものでは
ない。図示を省略するが、粉体の供給量及び気体の吹き
込み量並びに粉体の排出量は容器内における粉体の流動
層形成に影響を及ぼし、これらは容器内における粉体の
流動層高及び圧力損失と密接な関係を有するものである
から、粉体の排出量を絞り弁で操作する一方、粉体の供
給量と気体の吹き込み量を容器内における粉体の流動層
高又はこれと圧力損失とによって制御するのが有効であ
り、また容器の口径を上方に向って次第に大きくするこ
とも有効である。Needless to say, the illustrated embodiment is a preferred example of the present invention, and the present invention is not limited to the embodiment. Although illustration is omitted, the amount of powder supplied, the amount of gas blown in, and the amount of powder discharged affect the formation of a fluidized bed of powder in the container, and these are the fluidized bed height and pressure of the powder in the container. Since it has a close relationship with the loss, the powder discharge amount is controlled by the throttle valve, while the powder supply amount and the gas injection amount are controlled by the fluidized bed height of the powder in the container or pressure loss with this. It is effective to control by using, and it is also effective to gradually increase the diameter of the container upward.
本発明において、振動モータで代表される振動発生源
やスプリングで代表される弾性体の個数は、例えば容器
の形状や大きさ等との関係で適宜に選択され得る。また
粉体分散材や気体分散材は、それぞれの目的に応じた開
口径を有するパンチングメタル、焼結金属、素焼、濾布
等が適宜に使用され得る。そして、粉体の種類や移送目
的との関係で、吹き込み気体を不活性ガスにすることが
でき、容器内を加圧下に操作することもでき、更に粉体
の流動層が容器内の全域で形成される場合には粉体排出
口を容器の頂部に開設することもできる。In the present invention, the number of vibration generation sources represented by the vibration motor and the number of elastic bodies represented by the springs can be appropriately selected in relation to the shape and size of the container, for example. Further, as the powder dispersion material or the gas dispersion material, punching metal, sintered metal, unglazed, filter cloth or the like having an opening diameter according to each purpose can be appropriately used. Depending on the type of powder and the purpose of transfer, the blown gas can be an inert gas, the inside of the container can be operated under pressure, and the fluidized bed of the powder can be distributed over the entire area of the container. The powder outlet, if formed, can also be opened at the top of the container.
<作用> 次に、本発明の作用を第1図に示した実施例の具体的
使用状態で説明する。直径300mm×高さ1000mm竪型容器1
1内へ、真比重3.3、最大粒径61μm、平均粒径22〜26μ
mの白色アルミナ質研摩材(以下、単に粉体という)
を、高さ300mmまで充填した。気体分散材32は開口径25
μmの多層多孔質金属焼結板である。振動モータ13を稼
働させて、竪型容器11に振幅1.0mm×振動数1500r.p.m.
の振動を加え、併せて気体分散材32を介して空気を流速
4cm/秒(竪型容器11内の上方における流速)で吹き込ん
だ。粉体は、表面が平面状に盛り上がり、バブリングや
スラッギングのない、あたかも液体の如き安定した流動
層を形成し、該流動層内には明らかな撹拌乃至旋回運動
が認められた。そして、盛り上がった粉体の表面からは
無数の小気泡が発生していた。この状態で、原料容器4
2、バルブ52、粉体供給口22及び粉体分散材31を介して
竪型容器11内へ粉体を連続供給する一方、粉体排出口2
4、絞り弁61及び集塵器43を介して粉体を連続排出し
た。1時間の連続運転の間、10秒毎に測定した粉体排出
量は51±0.2g/秒であり、その誤差は0.4%であって、汚
染は皆無であった。粉体の供給を間欠的に行なっても同
様の結果が得られ、粉体の流動層自体がある種の緩衝作
用を持っていることが解った。<Operation> Next, the operation of the present invention will be described with reference to a concrete use state of the embodiment shown in FIG. Diameter 300 mm x height 1000 mm Vertical container 1
1 inside, true specific gravity 3.3, maximum particle size 61μm, average particle size 22-26μ
m white alumina abrasive (hereinafter simply referred to as powder)
Was filled to a height of 300 mm. The gas dispersion material 32 has an opening diameter of 25.
It is a multilayer porous metal sintered plate of μm. Operate the vibration motor 13 to move the vertical container 11 to an amplitude of 1.0 mm and a frequency of 1500 r.pm.
And the flow velocity of air through the gas dispersion material 32.
It was blown at 4 cm / sec (the flow velocity in the upper part of the vertical container 11). The surface of the powder swelled in a flat shape and formed a stable fluidized bed as if it were a liquid without bubbling or slugging, and a clear stirring or swirling motion was observed in the fluidized bed. Then, countless small bubbles were generated from the surface of the powder that had risen. In this state, the raw material container 4
2, the powder is continuously supplied into the vertical container 11 through the valve 52, the powder supply port 22, and the powder dispersion material 31, while the powder discharge port 2
4, the powder was continuously discharged through the throttle valve 61 and the dust collector 43. During continuous operation for 1 hour, the powder discharge amount measured every 10 seconds was 51 ± 0.2 g / second, the error was 0.4%, and there was no contamination. Similar results were obtained even when the powder was intermittently supplied, and it was found that the fluidized bed of the powder itself had a certain buffering action.
<発明の効果> 以上説明した通りであるから、本発明には、粉体の物
性や形状更にはその移送量の大小にかかわらず、該粉体
の安定した連続定量供給または排出等移送をすることが
でき、しかも該移送に際して粉体の変形や汚染を引き起
こすこともないという優れた効果がある。<Effects of the Invention> As described above, according to the present invention, a stable continuous quantitative supply or discharge of the powder is carried out regardless of the physical properties and shape of the powder and the size of the transfer. Further, there is an excellent effect that the powder is not deformed or contaminated during the transfer.
第1図は本発明の一実施例を一部断面状態で示す全体
図、第2図〜第5図は本発明の他の一実施例を各別に示
す断面図である。 11,17〜20……竪型容器 12……取付枠、13……振動モータ 14,15……スプリング、16……基台 22……粉体供給口、 24〜28……粉体排出口 31……粉体分散材 32〜36……気体分散材 61〜65……絞り弁 A〜E……粉体FIG. 1 is an overall view showing an embodiment of the present invention in a partially sectional state, and FIGS. 2 to 5 are sectional views showing another embodiment of the present invention separately. 11,17 ~ 20 ... Vertical container 12 ... Mounting frame, 13 ... Vibration motor 14,15 ... Spring, 16 ... Base 22 ... Powder supply port, 24-28 ... Powder discharge port 31 …… Powder dispersant 32〜36 …… Gas dispersant 61〜65 …… Throttle valve AE ・ ・ ・ Powder
Claims (3)
る種の自由運動を与えられるように1〜数個のスプリン
グの如き弾性体で支持されており、該容器には粉体供給
口と絞り弁を具備する粉体排出口とが開設され、更に該
粉体排出口の下方に気体分散材が装着されていて、振動
発生源を稼働させて容器を振動させ、併せて気体分散材
を介し容器内へ気体を吹き込むことにより、粉体供給口
から供給した粉体を流動化させて該粉体の流動層高内に
位置決めされている粉体排出口から絞り弁の操作で定量
排出するように構成してなる粉体の定量移送装置。1. A container equipped with one to several vibration sources is supported by one to several elastic bodies such as springs so as to give some kind of free movement, and the container contains powder. A supply port and a powder discharge port equipped with a throttle valve are opened, and a gas dispersion material is further mounted below the powder discharge port. By blowing gas into the container through the dispersant, the powder supplied from the powder supply port is fluidized and the throttle valve is operated from the powder discharge port positioned in the fluidized bed height of the powder. A fixed-quantity transfer device for powder, which is configured to discharge a fixed amount.
が容器内における粉体の流動層高及び/又は圧力損失に
よって制御された特許請求の範囲第1項記載の粉体の定
量移送装置。2. A quantitative transfer of powder according to claim 1, wherein the amount of powder supplied and / or the amount of gas blown in is controlled by the fluidized bed height and / or pressure loss of the powder in the container. apparatus.
散材が装着された特許請求の範囲第1項又は第2項記載
の粉体の定量移送装置。3. The powder quantitative transfer device according to claim 1 or 2, wherein the powder dispersion material is mounted above the fluidized bed height of the powder in the container.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10082587A JP2507273B2 (en) | 1987-04-23 | 1987-04-23 | Powder quantitative transfer device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10082587A JP2507273B2 (en) | 1987-04-23 | 1987-04-23 | Powder quantitative transfer device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63267613A JPS63267613A (en) | 1988-11-04 |
JP2507273B2 true JP2507273B2 (en) | 1996-06-12 |
Family
ID=14284102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10082587A Expired - Lifetime JP2507273B2 (en) | 1987-04-23 | 1987-04-23 | Powder quantitative transfer device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2507273B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101852334B (en) * | 2010-04-22 | 2012-12-19 | 广东建华管桩有限公司 | Pneumatic and automatic conveying device for residual slurry |
-
1987
- 1987-04-23 JP JP10082587A patent/JP2507273B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63267613A (en) | 1988-11-04 |
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