JPH0775664B2 - Powder and granular material feeder - Google Patents
Powder and granular material feederInfo
- Publication number
- JPH0775664B2 JPH0775664B2 JP62108650A JP10865087A JPH0775664B2 JP H0775664 B2 JPH0775664 B2 JP H0775664B2 JP 62108650 A JP62108650 A JP 62108650A JP 10865087 A JP10865087 A JP 10865087A JP H0775664 B2 JPH0775664 B2 JP H0775664B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- hopper
- granular material
- supply device
- funnel
- 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
Links
- 239000008187 granular material Substances 0.000 title claims description 57
- 239000000843 powder Substances 0.000 title claims description 40
- 238000003756 stirring Methods 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 description 6
- 238000005273 aeration Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は，ホッパー等の容器内に貯留された粉粒体を，
定量供給する装置に関し，特に供給精度を向上させ得る
粉粒体の供給装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a powder or granular material stored in a container such as a hopper,
The present invention relates to a device for supplying a fixed amount, and more particularly to a device for supplying powder or granular material that can improve the supply accuracy.
（従来の技術） 粉粒体原材料を計量配合するために，ホッパー等の容器
内に貯留された粉粒体を，定量的に供給することが行わ
れる。近時，粉粒体原材料を計量するに際して，粉粒体
の供給精度の向上が要望されており，そのために，定量
供給装置による供給精度を向上させる研究が試みられて
いる。定量供給装置には，スクリューフィーダ，ロータ
リフィーダ，テーブルフィーダ等の定容積式や，振動
式，ベルト式，エアスライド式等があるが，従来，この
ような定量供給装置による定量供給精度を向上させるた
めに，装置自体を小型化および精密化することが行われ
ている。しかし，定量供給装置を小型化および精密化す
るためには，高度な製作技術を要し，また，粉粒体が貯
留されるホッパー等の容器から小型化された供給装置に
粉粒体を連続して安定的に供給することが容易でないと
いう欠点がある。(Prior Art) In order to meter and mix raw materials of powder and granules, the powder and granules stored in a container such as a hopper are quantitatively supplied. Recently, it has been demanded to improve the supply accuracy of the granular material when measuring the raw material of the granular material, and therefore, researches for improving the supply accuracy by the quantitative supply device have been attempted. There are constant volume type such as screw feeder, rotary feeder, table feeder, etc., vibrating type, belt type, air slide type, etc., but conventionally, the quantitative feeding accuracy by such a constant amount feeding apparatus is improved. Therefore, the device itself has been miniaturized and refined. However, in order to miniaturize and refine the fixed-quantity feeding device, advanced manufacturing technology is required, and the granular material is continuously fed from a container such as a hopper in which the granular material is stored to the downsized feeding device. However, there is a drawback in that it is not easy to supply it stably.
（発明が解決しようとする問題点） 本発明は，上記従来の問題点を解決するものであり，そ
の目的は，定量供給装置による供給精度を向上すること
ができる粉粒体の供給装置を提供することにある。本発
明の他の目的は，粉粒体が貯留される容器から定量供給
装置へ連続して安定的に粉粒体を供給することができ，
その結果，定量供給装置により高精度にて安定的に粉粒
体を供給し得る粉粒体の供給装置を提供することにあ
る。(Problems to be Solved by the Invention) The present invention is to solve the above-mentioned conventional problems, and an object thereof is to provide a powdery or granular material supply device capable of improving the supply accuracy by a constant amount supply device. To do. Another object of the present invention is to be able to continuously and stably supply the granular material from the container in which the granular material is stored to the constant quantity supply device,
As a result, an object of the present invention is to provide a powdery- or granular-material supply device capable of supplying a powdery or granular material with high accuracy and stability by a fixed-quantity supply device.
（問題点を解決するための手段） 本発明の粉粒体の供給装置は，粉粒体を貯留するホッパ
ーと，該ホッパーの下端部に接続された粉粒体の定量供
給装置と，を具備し，該ホッパーの下部は漏斗状になっ
ており，該漏斗状下部は気体が外部から送給され得る二
重構造となっており，漏斗状下部の内面は通気性を有
し，該漏斗状下部内にホッパー内の粉粒体を撹拌し得る
撹拌装置が配設され，略水平方向へ粉粒体を供給可能に
配置された該定量供給装置の粉粒体投入口が，該ホッパ
ーの下端部に設けられた粉粒体排出口に連結されてお
り，そのことにより上記目的が達成される。(Means for Solving Problems) A powdery- or granular-material feeder of the present invention comprises a hopper for storing the powdery or granular material, and a fixed-quantity-feeding apparatus for the powdery or granular material connected to a lower end portion of the hopper. However, the lower part of the hopper has a funnel shape, and the lower part of the funnel has a double structure in which gas can be delivered from the outside. An agitator capable of agitating the powder or granules in the hopper is provided in the lower portion, and the powder or granular material inlet of the quantitative supply device is arranged so as to be able to supply the powder or granular material in a substantially horizontal direction. The above-mentioned object is achieved by being connected to the powdery material discharge port provided in the section.
（実施例） 以下に本発明を実施例について説明する。(Example) Hereinafter, the present invention will be described with reference to Examples.
第１図は，本発明の供給装置の実施状態の概略図であ
る。図において,10は，粉粒体を貯留するための容器で
あるホッパーであり，該ホッパー10の下方に，定量供給
装置であるスクリューフィーダ20が配設されている。FIG. 1 is a schematic diagram of an implementation state of the supply device of the present invention. In the figure, 10 is a hopper which is a container for storing powder and granules, and below the hopper 10, a screw feeder 20 which is a constant amount supply device is arranged.
ホッパー10の上面には，粉粒体の投入口11,およびホッ
パー10内の気体を排出するための排気口12が設けられて
いる。ホッパー10の下部は，漏斗状になっており，その
下端に，粉粒体の排出口13が形成されている。該漏斗状
の下部は，二重構造となっており，その内周面は通気性
を有する材料にて構成されている。該漏斗状の下部に
は，送気管14が連結されている。該送気管14には，空気
等の気体が通流され，該気体がホッパー10の二重構造と
なった漏斗状下部に送給される。二重構造となった漏斗
状下部に送給された気体は，通気性を有する内周面より
ホッパー10内へ吹き込まれる。The upper surface of the hopper 10 is provided with an inlet 11 for powder and granules and an exhaust port 12 for exhausting the gas in the hopper 10. The lower part of the hopper 10 has a funnel shape, and a discharge port 13 for powder particles is formed at the lower end thereof. The funnel-shaped lower portion has a double structure, and the inner peripheral surface thereof is made of a material having air permeability. An air supply pipe 14 is connected to the funnel-shaped lower portion. A gas such as air flows through the air supply pipe 14, and the gas is supplied to the funnel-shaped lower part of the hopper 10 having a double structure. The gas delivered to the funnel-shaped lower part having the double structure is blown into the hopper 10 from the inner peripheral surface having air permeability.
ホッパー10の下部には，撹拌装置15が略水平に配設され
ており，該撹拌装置15は，ホッパー10外のモーターによ
り回転され，ホッパー10内の粉粒体を撹拌する。該撹拌
装置15は，ホッパー10内の粉粒体を撹拌し得るものであ
ればよく，その種類，形状等は限定されない。また，ホ
ッパー10の下部に略水平に配設する構成に限定されず，
例えば，ホッパー10の上部を貫通させて，略鉛直に配設
するようにしてもよい。A stirrer 15 is disposed substantially horizontally below the hopper 10, and the stirrer 15 is rotated by a motor outside the hopper 10 to stir the powder or granules in the hopper 10. The stirring device 15 may be any device capable of stirring the powder or granular material in the hopper 10, and the kind, shape, etc. thereof are not limited. Further, the configuration is not limited to be arranged substantially horizontally under the hopper 10,
For example, the upper part of the hopper 10 may be penetrated and arranged substantially vertically.
定量供給装置であるスクリューフィーダ20は，ケーシン
グ21内にスクリュー22が略水平に回転可能に配設されて
いる。ケーシング21の一端部上面には，粉粒体の投入口
23が配設されており，該投入口23がホッパー10の粉粒体
排出口13に整合されて連結されている。ケーシング21の
他端部下面には，粉粒体排出口24が配設されており，ケ
ーシング21内のスクリュー22にて搬送される粉粒体が，
該排出口24より排出される。ケーシング21内のスクリュ
ー22は，ケーシング21外に配設されたモータ25に連結さ
れており，該モータ25により回転される。In a screw feeder 20 which is a constant quantity supply device, a screw 22 is arranged in a casing 21 so as to be rotatable substantially horizontally. On the upper surface of one end of the casing 21, an inlet for powder particles is provided.
23 is provided, and the input port 23 is aligned with and connected to the powdery or granular material discharge port 13 of the hopper 10. On the lower surface of the other end of the casing 21, a powder and granular material discharge port 24 is provided, and the powder and granular material conveyed by the screw 22 in the casing 21 is
It is discharged from the discharge port 24. The screw 22 inside the casing 21 is connected to a motor 25 arranged outside the casing 21 and is rotated by the motor 25.
このようなホッパー10およびスクリューフィーダ20によ
り，本発明の供給装置は，次のように実施される。粉粒
体投入口11からホッパー10内に投入された粉粒体を，ス
クリューフィーダ20に送給するに際して，送気管14から
ホッパー10の漏斗状下部に空気等の気体を，所定の流量
で連続的に送給すると共に，撹拌装置15をモータ16によ
り回転させる。これにより，ホッパー10内の粉粒体は，
ホッパー10の漏斗状下部に送給されて二重構造となった
内周面よりホッパー10内に吹き込まれた気体によりエア
レーションされると同時に，撹拌装置15により撹拌され
る。そして，ホッパー10内の粉粒体は，エアレーション
されると同時に撹拌されることにより，その嵩密度が，
エアレーションおよび撹拌が行われていない静止時の1/
2〜1/4程度にまで低下されて，ホッパー10の粉粒体排出
口13よりスクリューフィーダ20に送給される。ホッパー
10内に吹き込まれた空気等の気体は，ホッパー10内の粉
粒体をエアレーションした後に，上面に配設された排気
口12から排出される。With such a hopper 10 and a screw feeder 20, the supply device of the present invention is implemented as follows. When the powder or granules charged into the hopper 10 from the powder or granule input port 11 are fed to the screw feeder 20, a gas such as air is continuously supplied from the air supply pipe 14 to the funnel-shaped lower portion of the hopper 10 at a predetermined flow rate. And the stirring device 15 is rotated by the motor 16. As a result, the powder particles in the hopper 10 are
It is fed to the funnel-shaped lower part of the hopper 10 and aerated by the gas blown into the hopper 10 from the inner peripheral surface of the double structure, and at the same time, it is stirred by the stirring device 15. Then, the powder particles in the hopper 10 are aerated and agitated at the same time, so that the bulk density thereof is
1 / at rest without aeration and agitation
It is lowered to about 2 to 1/4 and is fed to the screw feeder 20 from the powder and granular material discharge port 13 of the hopper 10. hopper
A gas such as air blown into the inside of the hopper 10 is discharged from the exhaust port 12 provided on the upper surface after aeration of the powdery particles inside the hopper 10.
ホッパー10内の粉粒体は、エアレーションおよび撹拌さ
れているため，その嵩密度が静止時の1/2〜1/4程度に低
下した状態で，ホッパー10の粉粒体排出口13からスクリ
ューフィーダ20に送給される。従って，スクリューフィ
ーダ20におけるスクリュー22が１回転する間に送給され
る粉粒体量が減少し，スクリュー22の所定回数当りの粉
粒体供給量が減少する。その結果，スクリューフィーダ
20におけるスクリュー22の回転数を制御することによる
粉粒体の定量供給を，微調整することができ，該スクリ
ューフィーダ20による定量供給精度が著しく向上する。Since the powder and granules in the hopper 10 are aerated and agitated, the powder and granules are discharged from the powder and granule discharge port 13 of the hopper 10 while the bulk density thereof is reduced to about 1/2 to 1/4 that of the stationary state. Delivered to 20. Therefore, the amount of powder or granular material fed during one rotation of the screw 22 in the screw feeder 20 is reduced, and the amount of powder or granular material supplied per predetermined number of times of the screw 22 is reduced. As a result, the screw feeder
It is possible to finely adjust the quantitative supply of the powder or granular material by controlling the rotation speed of the screw 22 in the screw 20, and the accuracy of the quantitative supply by the screw feeder 20 is significantly improved.
なお，上記実施例では，送気管14から空気等の気体を，
所定の流量で連続的に送給するようにしたが，例えば,5
〜20Hzにて脈動させて送給してホッパー10内の粉粒体を
エアレーションする構成，あるいは間欠的に送給して，
ホッパー10内の粉粒体をエアレーションする構成として
もよい。気体を脈動させて送給す場合には，ホッパー10
内の粉粒体を，より一層効果的にエアレーションし得る
ため，ホッパー10内の粉粒体の嵩密度を効果的に低下さ
せた状態でスクリューフィーダ20に送給し得る。また，
気体を間欠的に送給する場合には，エアレーションのた
めに送給すべき気体量を減少させ得る。In the above embodiment, gas such as air is supplied from the air supply pipe 14,
Although it was designed to deliver continuously at a predetermined flow rate, for example, 5
Pulsating and feeding at ~ 20Hz to aerate the particles in the hopper 10, or intermittently feeding,
It is also possible to use a configuration in which the powder or granules in the hopper 10 are aerated. If the gas is pulsated and sent, the hopper 10
Since the powder or granules in the hopper 10 can be aerated more effectively, the powder or granules in the hopper 10 can be fed to the screw feeder 20 while the bulk density of the powder or granules is effectively reduced. Also,
If the gas is delivered intermittently, the amount of gas to be delivered for aeration can be reduced.
さらに，上述の実施例では，定量供給装置として，スク
リューフィーダを用いる構成としたが，これに替えて，
ロータリフィーダ，テーブルフィーダ等の定量供給装置
を使用することも可能である。Further, in the above-mentioned embodiment, the screw feeder is used as the fixed amount supply device, but instead of this,
It is also possible to use a quantitative feeder such as a rotary feeder or a table feeder.
（発明の効果） 本発明の粉粒体供給装置は，このように，ホッパー等の
容器内の粉粒体を，エアレーションと同時に撹拌しつつ
定量供給装置に送給するようにしているため，供給精度
が著しく向上する。(Effects of the Invention) Since the powdery- or granular-material feeder of the present invention feeds the powdery or granular material in the container such as the hopper to the constant-quantity feeder while stirring at the same time as the aeration, Accuracy is significantly improved.
容器内の粉粒体をエアレーションと同時に撹拌している
ため，粉粒体の嵩密度を効果的に低下させ得る。その結
果，容器内の粉粒体の嵩密度を，静止時の1/2〜1/4程度
にまで容易に低下させ得る。Since the powder and granules in the container are stirred at the same time as the aeration, the bulk density of the powder and granules can be effectively reduced. As a result, the bulk density of the granular material in the container can be easily reduced to about 1/2 to 1/4 of that at rest.
容器内に気体が送給されることにより，容器内の粉粒体
の流動性が向上するため，該容器から安定的に粉粒体が
排出され，また，容器内に粉粒体が付着することも防止
される結果，連続的かつ安定的に粉粒体を送給し得る。By supplying gas into the container, the fluidity of the granular material in the container is improved, so that the granular material is stably discharged from the container, and the granular material adheres to the container. As a result, the granular material can be continuously and stably fed.
第１図は本発明の供給装置の実施状態を略示する断面図
である。 10……ホッパー,13……排出口,14……送気管,15……撹
拌装置,20……スクリューフィーダ,21……ケーシング,2
2……スクリュー。FIG. 1 is a sectional view schematically showing an implementation state of the supply device of the present invention. 10 …… Hopper, 13 …… Outlet, 14 …… Air pipe, 15 …… Stirrer, 20 …… Screw feeder, 21 …… Casing, 2
2 …… Screw.
Claims (1)
の下端部に接続された粉粒体の定量供給装置と，を具備
する粉粒体の供給装置であって， 該ホッパーの下部は漏斗状になっており，該漏斗状下部
は気体が外部から送給され得る二重構造となっており，
漏斗状下部の内面は通気性を有し， 該漏斗状下部内にホッパー内の粉粒体を撹拌し得る撹拌
装置が配設され， 略水平方向へ粉粒体を供給可能に配置された該定量供給
装置の粉粒体投入口が，該ホッパーの下端部に設けられ
た粉粒体排出口に連結されている粉粒体の供給装置。1. A powder and granular material supply device comprising a hopper for storing the powder and granular material, and a powdery and granular material supply device connected to the lower end of the hopper, wherein the lower part of the hopper is It has a funnel shape, and the lower part of the funnel shape has a double structure in which gas can be sent from the outside.
The inner surface of the funnel-shaped lower portion has air permeability, and a stirring device capable of stirring the powder and granular material in the hopper is disposed in the funnel-shaped lower portion, and the powder and granular material can be supplied in a substantially horizontal direction. A powder and granular material supply device in which the powder and granular material inlet of the fixed quantity supply device is connected to the powder and granular material discharge port provided at the lower end of the hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62108650A JPH0775664B2 (en) | 1987-04-30 | 1987-04-30 | Powder and granular material feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62108650A JPH0775664B2 (en) | 1987-04-30 | 1987-04-30 | Powder and granular material feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63274448A JPS63274448A (en) | 1988-11-11 |
| JPH0775664B2 true JPH0775664B2 (en) | 1995-08-16 |
Family
ID=14490188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62108650A Expired - Lifetime JPH0775664B2 (en) | 1987-04-30 | 1987-04-30 | Powder and granular material feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0775664B2 (en) |
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| CN103935648B (en) * | 2014-04-03 | 2016-06-08 | 西安交通大学 | A kind of efficiently disperse for mud, the vertical storage tank of dosing |
| CN104386380A (en) * | 2014-11-13 | 2015-03-04 | 郑州海韦力食品工业有限公司 | Trace powder distributor |
| WO2016208076A1 (en) * | 2015-06-26 | 2016-12-29 | ユニ・チャーム株式会社 | Apparatus for manufacturing absorbent for absorbent article |
| JP6491972B2 (en) * | 2015-07-06 | 2019-03-27 | 日本アエロジル株式会社 | Powder extraction apparatus and powder extraction method |
| CN107263783A (en) * | 2017-07-31 | 2017-10-20 | 贵州荣兴新型建材科技有限公司 | Wood powder conveying device is used in Wood plastic boards production |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114722A (en) * | 1981-12-28 | 1983-07-08 | Toray Eng Co Ltd | Powder discharging method in fluidized treating chamber |
-
1987
- 1987-04-30 JP JP62108650A patent/JPH0775664B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008200820A (en) * | 2007-02-21 | 2008-09-04 | Japan Science & Technology Agency | Powder injection device |
| JP2017154784A (en) * | 2016-03-02 | 2017-09-07 | 日本アエロジル株式会社 | Powder extraction apparatus and powder extraction method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63274448A (en) | 1988-11-11 |
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