JP2000007089A - Powder storage tank - Google Patents
Powder storage tankInfo
- Publication number
- JP2000007089A JP2000007089A JP10170752A JP17075298A JP2000007089A JP 2000007089 A JP2000007089 A JP 2000007089A JP 10170752 A JP10170752 A JP 10170752A JP 17075298 A JP17075298 A JP 17075298A JP 2000007089 A JP2000007089 A JP 2000007089A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- discharge port
- port
- discharge pipe
- storage tank
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 239000002245 particle Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 26
- 238000003756 stirring Methods 0.000 description 14
- 238000010009 beating Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102100036738 Guanine nucleotide-binding protein subunit alpha-11 Human genes 0.000 description 1
- 101100283445 Homo sapiens GNA11 gene Proteins 0.000 description 1
- 101000801109 Homo sapiens Transmembrane protein 131 Proteins 0.000 description 1
- 101001062854 Rattus norvegicus Fatty acid-binding protein 5 Proteins 0.000 description 1
- 102100033700 Transmembrane protein 131 Human genes 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は合成樹脂原料等の粉
粒体を貯留する粉粒体貯留槽に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a granular material storage tank for storing a granular material such as a synthetic resin raw material.
【０００２】[0002]
【従来の技術】従来、この種の粉粒体貯留槽として以下
の如きものは知られている。即ち、上部の筒状本体と、
この筒状本体の下縁に連設されると共に、下端に排出口
を有する下方すぼまりのテーパー下部と、前記排出口に
接続された所定長さの排出管とを有する粉粒体貯留槽に
おいて、粉粒体貯留槽の内部に撹拌羽根が回転自在に設
けられたものは知られている。撹拌羽根の回転によっ
て、排出口近傍における粉粒体のブリッジ現象（粉粒体
が排出口に向かって流下しなくなる現象）を防止するよ
うにしたものである。2. Description of the Related Art Heretofore, the following are known as this kind of powder and particle storage tank. That is, an upper cylindrical main body,
A powdery and granular material storage tank having a tapered lower portion of a downward taper having a discharge port at a lower end, and a discharge pipe having a predetermined length connected to the discharge port, which is connected to a lower edge of the cylindrical main body; It is known that a stirring blade is rotatably provided inside a powder storage tank. By the rotation of the stirring blade, a bridging phenomenon of the granular material near the discharge port (a phenomenon that the granular material does not flow down toward the discharge port) is prevented.
【０００３】[0003]
【従来技術の欠点】前記従来の粉粒体貯留槽には以下の
如き欠点があった。第１に、粉粒体貯留槽の内部に撹拌
羽根を回転自在に設けるものであったため、構造が複雑
となりコスト高で故障等が多く、また、撹拌羽根と粉粒
体との摩擦等によって撹拌羽根の表面が削られ、その粉
末異物が粉粒体に混入するという欠点があった。第２
に、排出口の面積及び排出管の面積が粉粒体の大きさに
比較して小さい場合（例えば、断面円形の排出口及び同
排出口の直径が長さ４ｍｍ程度のペレットの３〜５倍程
度の場合）、排出管内において粉粒体が詰まる現象が発
生しないようにするために撹拌羽根を狭い排出管内に延
出させようとしても、撹拌羽根の強度等を勘案すると現
実には相当に困難か又は不可能なことであった。Disadvantages of the prior art The above-mentioned conventional granular material storage tank has the following disadvantages. First, since the stirring blade is rotatably provided inside the powder storage tank, the structure is complicated, the cost is high, and there are many failures, and the stirring is caused by friction between the stirring blade and the powder. There is a drawback that the surface of the blade is shaved and the powder foreign matter is mixed into the granular material. Second
In the case where the area of the discharge port and the area of the discharge pipe are smaller than the size of the granular material (for example, the discharge port having a circular cross section and the diameter of the discharge port is 3 to 5 times that of the pellet having a length of about 4 mm) ), It is actually quite difficult to extend the stirring blades into the narrow discharge tube in order to prevent the powder particles from clogging in the discharge tube, considering the strength of the stirring blades, etc. Or was impossible.
【０００４】[0004]
【前記欠点を解消するための手段】本発明は前記欠点を
解消するために以下の如き手段を採用した。請求項１の
発明は、上部の筒状本体と、この筒状本体の下縁に連設
されると共に、下端に排出口を有する下方すぼまりのテ
ーパー下部と、前記排出口に接続された所定長さの排出
管とを有する粉粒体貯留槽において、前記排出口の近傍
に気体を噴出する気体噴出口が形成されているものであ
る。請求項２の発明は、上部の筒状本体と、この筒状本
体の下縁に連設されると共に、下端に排出口を有する下
方すぼまりのテーパー下部と、前記排出口に接続された
所定長さの排出管とを有する粉粒体貯留槽において、前
記排出管に対向するようにして排出管を叩く殴打部材が
設けられているものである。請求項３の発明は、上部の
筒状本体と、この筒状本体の下縁に連設されると共に、
下端に排出口を有する下方すぼまりのテーパー下部と、
前記排出口に接続された所定長さの排出管とを有する粉
粒体貯留槽において、前記排出口の近傍に気体を噴出す
る気体噴出口が形成され、前記排出管に対向するように
して排出管を叩く殴打部材が設けられているものであ
る。The present invention employs the following means to solve the above-mentioned drawbacks. The invention according to claim 1 is connected to the upper cylindrical body, a tapered lower part of a downward tapering having a discharge port at a lower end, which is connected to the lower edge of the cylindrical body, and connected to the discharge port. A gas ejection port for ejecting gas is formed in the vicinity of the discharge port in a granular material storage tank having a discharge pipe having a predetermined length. The invention according to claim 2 is connected to the upper cylindrical body, a tapered lower part of a downward tapering having a discharge port at a lower end, which is connected to the lower edge of the cylindrical main body, and connected to the discharge port. In a granular material storage tank having a discharge pipe having a predetermined length, a striking member for hitting the discharge pipe is provided so as to face the discharge pipe. The invention according to claim 3 is arranged such that the upper tubular body and the lower edge of the tubular body are connected to each other.
A tapered lower part of a downward tapering having a discharge port at a lower end,
A gas ejection port for ejecting gas is formed in the vicinity of the discharge port in the powder and granular material storage tank having a discharge pipe of a predetermined length connected to the discharge port, and the gas is discharged so as to face the discharge pipe. A hitting member for hitting the pipe is provided.
【０００５】[0005]
【発明の効果】本発明は前記した如き構成によって以下
の如き効果を奏する。 請求項１の発明によれば、気体噴出口から噴出される
気体によって排出口の近傍における粉粒体のブリッジ現
象を防止することが出来るので、構造を簡単にすること
が出来ると共に、撹拌羽根を使用しないので撹拌羽根の
表面が削られて発生する粉末異物が粉粒体に混入すると
いうようなおそれがない。 請求項２の発明によれば、殴打部材によって排出管を
叩くことによって排出管内において粉粒体が詰まる現象
を防止することが出来るので、構造を簡単にすることが
出来ると共に、撹拌羽根を使用しないので撹拌羽根の表
面が削られて発生する粉末異物が粉粒体に混入するとい
うようなおそれがない。また、排出口の面積及び排出管
の面積が粉粒体の大きさに比較して小さい場合（例え
ば、断面円形の排出口及び同排出口の直径が長さ４ｍｍ
程度のペレットの長さの３〜５倍程度の場合）において
は、狭い排出管内に撹拌羽根を入れるというような技術
的に困難な手段によらずに、排出管内において粉粒体が
詰まる現象を確実に防止することが出来る。 請求項３の発明によれば、気体噴出口から噴出される
気体によって排出口の近傍における粉粒体のブリッジ現
象を防止することが出来、且つ、殴打部材によって排出
管を叩くことによって排出管内において粉粒体が詰まる
現象を防止することが出来るので、構造を簡単にするこ
とが出来ると共に、撹拌羽根を使用しないので撹拌羽根
の表面が削られて発生する粉末異物が粉粒体に混入する
というようなおそれがない。According to the present invention, the following effects can be obtained by the above configuration. According to the first aspect of the present invention, the gas ejected from the gas ejection port can prevent the bridging phenomenon of the granular material in the vicinity of the discharge port, so that the structure can be simplified and the stirring blade can be used. Since it is not used, there is no danger that powder foreign matter generated by shaving the surface of the stirring blade will be mixed into the granular material. According to the second aspect of the present invention, the phenomenon in which the powder is clogged in the discharge pipe by hitting the discharge pipe with the hitting member can be prevented, so that the structure can be simplified and the stirring blade is not used. Therefore, there is no danger that powder foreign matter generated by shaving the surface of the stirring blade will be mixed into the granular material. When the area of the discharge port and the area of the discharge pipe are smaller than the size of the granular material (for example, the discharge port having a circular cross section and the diameter of the discharge port is 4 mm in length)
In the case where the length of the pellet is about 3 to 5 times the length of the pellet), the phenomenon that the granular material is clogged in the discharge pipe does not depend on technically difficult means such as putting a stirring blade in a narrow discharge pipe. It can be prevented reliably. According to the invention of claim 3, it is possible to prevent the bridging phenomenon of the granular material in the vicinity of the discharge port by the gas blown out from the gas discharge port, and to hit the discharge pipe with the hitting member so that the inside of the discharge pipe is hit. Since the phenomenon of clogging of powder particles can be prevented, the structure can be simplified, and powder foreign matter generated by shaving the surface of the stirring blade because no stirring blade is used is mixed into the powder particle. There is no such fear.
【０００６】[0006]
【発明の実施の形態】以下に本発明の実施の形態を図面
を参照しつつ説明する。粉粒体が貯留される粉粒体貯留
槽１は、上部の断面円形の筒状本体１ａと、筒状本体１
ａの下縁に連設されると共に、下部に平面形状円形の排
出口３を有する下方すぼまりのテーパー下部１ｂと、前
記排出口３に接続された所定長さで断面円形の排出管１
ｃとを有している。前記排出管１ｃの下端は、押出成形
機・射出成形機のホッパー等に接続される。Embodiments of the present invention will be described below with reference to the drawings. The granular material storage tank 1 in which the granular material is stored includes a cylindrical main body 1 a having a circular upper section and a cylindrical main body 1.
a downwardly tapering lower part 1b having a flat circular discharge port 3 at the lower part thereof, and a discharge pipe 1 having a predetermined length and a circular cross-section connected to the discharge port 3.
c. The lower end of the discharge pipe 1c is connected to a hopper of an extrusion molding machine or an injection molding machine.
【０００７】前記排出口３の近傍、具体的には排出口３
のやや下部に、気体を斜め上向きに噴出するように斜め
上向きとなされた気体噴出口５が形成されている。前記
テーパー下部１ｂの下部及び排出管１ｃの上部に、それ
を囲むようにしてブロック部材６が設けられ、このブロ
ック部材６に気体噴出口５に連通する気体通路７が形成
され、この気体通路７の入り口端に間歇的に又は連続的
に空気・窒素ガス・静電気除去作用を有する気体等の気
体を送風する送風機（図示略）の吐出口が接続されてい
る。なお、気体の温度は任意である。気体噴出口５から
噴出される気体によって排出口３の近傍における粉粒体
のブリッジ現象を防止することが出来る。[0007] In the vicinity of the outlet 3, specifically, the outlet 3
At a slightly lower portion, a gas ejection port 5 is formed obliquely upward so as to eject gas obliquely upward. A block member 6 is provided so as to surround the lower portion of the tapered lower portion 1b and the upper portion of the discharge pipe 1c, and a gas passage 7 communicating with the gas ejection port 5 is formed in the block member 6, and an entrance of the gas passage 7 is provided. A discharge port of a blower (not shown) that blows a gas such as air, nitrogen gas, or a gas having an action of removing static electricity intermittently or continuously is connected to one end. The temperature of the gas is arbitrary. The gas ejected from the gas ejection port 5 can prevent the bridging phenomenon of the granular material near the discharge port 3.
【０００８】前記ブロック部材６にブラケット９を介し
て流体圧シリンダ１０の本体がロッド１１を水平状で且
つ排出管１ｃの上端部側に向けるようにして設けられ、
この流体圧シリンダ１０のロッド１１に排出管１ｃを叩
く殴打部材１２が設けられている。このような構成によ
って、ロッド１１を進退させることによって殴打部材１
２によって排出管１ｃを叩くことが出来る。そのことに
よって、排出管１ｃ内において粉粒体が詰まる現象を防
止することが出来る。A body of a fluid pressure cylinder 10 is provided on the block member 6 via a bracket 9 so as to direct the rod 11 horizontally and toward the upper end of the discharge pipe 1c.
A hitting member 12 for hitting the discharge pipe 1c is provided on the rod 11 of the fluid pressure cylinder 10. With such a configuration, the striking member 1 is moved by moving the rod 11 forward and backward.
2, the discharge pipe 1c can be hit. As a result, it is possible to prevent a phenomenon in which the granular material is clogged in the discharge pipe 1c.
【０００９】[0009]
【変形例等】以下に変形例等について説明を加える。 （１）粉粒体には、粉体・粒体・微小薄片・短繊維片等
が含まれる。 （２）気体噴出口５から噴出される気体の圧力は、ブリ
ッジ現象を防止するために、粉粒体毎に最適な値を実験
によって得、その値に設定される。 （３）気体噴出口５は、少なくとも１個あればよい。即
ち、気体噴出口５を２個以上設けるようにしてもよい。 （４）気体噴出口５の位置は、排出口３の近傍であれ
ば、排出口３のやや上方であってもよい。 （５）気体噴出口５の向きは任意である。 （６）殴打部材１２の作動装置は、流体圧シリンダ１０
に限定されず任意である。 （７）気体は気体噴出口５から間歇的に又は連続的に噴
出される。気体噴出口５から気体を間歇的に噴出する場
合、殴打部材１２の殴打作動と同時に気体噴出口５から
気体を噴出するようにしてもよく、また、殴打部材１２
の作動時期と気体噴出口５からの気体噴出時期とをずら
せるようにしてもよい。 （８）殴打部材１２によって叩く排出管１ｃの位置は任
意である。殴打部材１２によって排出管１ｃを叩く周期
も任意である。 （９）筒状本体１ａ、テーパー下部１ｂ、排出口３及び
排出管１ｃの各平面形状は円形に限定されない。 （１０）気体噴出口５又は殴打部材１２のいずれか一方
が、粉粒体貯留槽１に設けられない場合もある。[Modifications and the like] Modifications and the like will be described below. (1) The powders and granules include powders, granules, minute flakes, short fiber pieces and the like. (2) In order to prevent the bridging phenomenon, the pressure of the gas ejected from the gas ejection port 5 is set to the optimum value obtained by experiments for each granular material. (3) At least one gas outlet 5 is sufficient. That is, two or more gas outlets 5 may be provided. (4) The position of the gas outlet 5 may be slightly above the outlet 3 as long as it is near the outlet 3. (5) The direction of the gas ejection port 5 is arbitrary. (6) The operating device of the striking member 12 is the hydraulic cylinder 10
It is not limited to this and is arbitrary. (7) The gas is ejected from the gas ejection port 5 intermittently or continuously. When gas is ejected intermittently from the gas ejection port 5, the gas may be ejected from the gas ejection port 5 simultaneously with the beating operation of the beating member 12.
May be shifted from the gas ejection timing from the gas ejection port 5. (8) The position of the discharge pipe 1c hit by the hitting member 12 is arbitrary. The cycle of hitting the discharge pipe 1c by the hitting member 12 is also arbitrary. (9) Each planar shape of the cylindrical main body 1a, the tapered lower portion 1b, the discharge port 3, and the discharge pipe 1c is not limited to a circle. (10) Either the gas outlet 5 or the striking member 12 may not be provided in the granular material storage tank 1.
【図１】本発明の実施の形態を示す要部の縦断面図であ
る。FIG. 1 is a longitudinal sectional view of a main part showing an embodiment of the present invention.
１ 粉粒体貯留槽 １ａ 筒状本体 １ｂ テーパー下部 １ｃ 排出管 ３ 排出口 ５ 気体噴出口 １２ 殴打部材 DESCRIPTION OF SYMBOLS 1 Granule storage tank 1a Cylindrical main body 1b Tapered lower part 1c Discharge pipe 3 Discharge port 5 Gas ejection port 12 Beating member
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 3E070 AA19 AB15 FA05 FB01 FB03 GA11 VA17 WG09 3F075 AA01 BA09 BB01 CA04 CA06 CA09 CC28 CC29 CD05 CD07 DA09 DA11 DA17 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E070 AA19 AB15 FA05 FB01 FB03 GA11 VA17 WG09 3F075 AA01 BA09 BB01 CA04 CA06 CA09 CC28 CC29 CD05 CD07 DA09 DA11 DA17
Claims (3)
に連設されると共に、下端に排出口を有する下方すぼま
りのテーパー下部と、前記排出口に接続された所定長さ
の排出管とを有する粉粒体貯留槽において、前記排出口
の近傍に気体を噴出する気体噴出口が形成されている粉
粒体貯留槽。1. An upper cylindrical body, a tapered lower part of a downward taper which is connected to a lower edge of the cylindrical body and has a discharge port at a lower end, and a predetermined length connected to the discharge port. A particulate storage tank having a discharge pipe having a gas discharge port for discharging gas in the vicinity of the discharge port.
に連設されると共に、下端に排出口を有する下方すぼま
りのテーパー下部と、前記排出口に接続された所定長さ
の排出管とを有する粉粒体貯留槽において、前記排出管
に対向するようにして排出管を叩く殴打部材が設けられ
ている粉粒体貯留槽。2. An upper cylindrical body, a tapered lower part of a downward taper which is connected to a lower edge of the cylindrical body and has a discharge port at a lower end, and a predetermined length connected to the discharge port. A powder / particle storage tank having a discharge pipe having a hitting member for hitting the discharge pipe so as to face the discharge pipe.
に連設されると共に、下端に排出口を有する下方すぼま
りのテーパー下部と、前記排出口に接続された所定長さ
の排出管とを有する粉粒体貯留槽において、前記排出口
の近傍に気体を噴出する気体噴出口が形成され、前記排
出管に対向するようにして排出管を叩く殴打部材が設け
られている粉粒体貯留槽。3. An upper cylindrical main body, a tapered lower part of a downward taper which is connected to a lower edge of the cylindrical main body and has a discharge port at a lower end, and a predetermined length connected to the discharge port. A gas ejection port for ejecting gas in the vicinity of the discharge port, and a striking member for tapping the discharge pipe so as to face the discharge pipe is provided. Powder storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10170752A JP2000007089A (en) | 1998-06-18 | 1998-06-18 | Powder storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10170752A JP2000007089A (en) | 1998-06-18 | 1998-06-18 | Powder storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000007089A true JP2000007089A (en) | 2000-01-11 |
Family
ID=15910740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10170752A Pending JP2000007089A (en) | 1998-06-18 | 1998-06-18 | Powder storage tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000007089A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006504968A (en) * | 2002-10-31 | 2006-02-09 | メトラー−トレド・フレクシラブ・ソシエタ・パール・アクシオン・シンプリフィエ | Equipment for accurately weighing powder |
| WO2006109839A1 (en) * | 2005-04-08 | 2006-10-19 | Taisei Corporation | Container discharging device |
| JP2008037543A (en) * | 2006-08-03 | 2008-02-21 | Fuji Xerox Co Ltd | Powder carrying device and image forming device |
| CN106925053A (en) * | 2017-04-28 | 2017-07-07 | 苏州协昌环保科技股份有限公司 | Ash silo anti-bridge formation air bubble and deduster |
-
1998
- 1998-06-18 JP JP10170752A patent/JP2000007089A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006504968A (en) * | 2002-10-31 | 2006-02-09 | メトラー−トレド・フレクシラブ・ソシエタ・パール・アクシオン・シンプリフィエ | Equipment for accurately weighing powder |
| WO2006109839A1 (en) * | 2005-04-08 | 2006-10-19 | Taisei Corporation | Container discharging device |
| JP2008050007A (en) * | 2005-04-08 | 2008-03-06 | Taisei Corp | Container discharging device |
| JP2008037543A (en) * | 2006-08-03 | 2008-02-21 | Fuji Xerox Co Ltd | Powder carrying device and image forming device |
| CN106925053A (en) * | 2017-04-28 | 2017-07-07 | 苏州协昌环保科技股份有限公司 | Ash silo anti-bridge formation air bubble and deduster |
| CN106925053B (en) * | 2017-04-28 | 2023-01-20 | 苏州协昌环保科技股份有限公司 | Anti-bridging air cannon and dust remover for ash bin |
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