JP3209363B2 - Continuous kneading device - Google Patents
Continuous kneading deviceInfo
- Publication number
- JP3209363B2 JP3209363B2 JP17894192A JP17894192A JP3209363B2 JP 3209363 B2 JP3209363 B2 JP 3209363B2 JP 17894192 A JP17894192 A JP 17894192A JP 17894192 A JP17894192 A JP 17894192A JP 3209363 B2 JP3209363 B2 JP 3209363B2
- Authority
- JP
- Japan
- Prior art keywords
- kneading
- casing
- kneaded
- transfer
- transfer screw
- 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
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、連続混練装置に関し、
詳しくは、土木・建築分野において、例えば、セメント
ペースト、モルタル、及びコンクリート等を連続的に混
練したり、あるいは、セラミックス製品の製造におい
て、焼結工程前のセラミックス粉末、バインダー、及び
水の混合物を連続的に供給することを目的とする装置に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous kneading apparatus,
Specifically, in the field of civil engineering and construction, for example, cement paste, mortar, and concrete are continuously kneaded, or, in the production of ceramic products, ceramic powder before the sintering step, binder, and a mixture of water The present invention relates to a device intended to supply continuously.
【０００２】[0002]
【従来の技術とその課題】従来、建設現場等で、水と水
硬性物質などを混合混練し、湿式状態の水硬性組成物を
製造する場合には、いわゆるタライ式のバッチミキサー
を使用して製造する方法や、同軸上に粉体フィード用の
スクリューと混練羽根を設置した混練シャフトを、円筒
やＵトラフ形のケーシング内に組み込み、ケーシング内
に水を供給し、ケーシング一端のホッパーから粉体を供
給し、他端から水と水硬性組成物の混合混練された湿式
状態の水硬性組成物を排出する連続混練装置を使用する
方法などがあった(特開昭55−165134号公報)。2. Description of the Related Art Conventionally, when a water and hydraulic substance are mixed and kneaded at a construction site or the like to produce a hydraulic composition in a wet state, a so-called tarai type batch mixer is used. A kneading shaft equipped with a screw for mixing powder and a kneading blade installed coaxially in a cylindrical or U trough-shaped casing, water is supplied into the casing, and powder is supplied from a hopper at one end of the casing. And a continuous kneading device for discharging the wet-type hydraulic composition in which water and the hydraulic composition are mixed and kneaded from the other end (Japanese Patent Application Laid-Open No. 55-165134).
【０００３】しかしながら、タライ式のバッチミキサー
を使用して混練する方法は、水や水硬性物質などの計
量、投入、混練時間の調整、及び混練物の排出等の全工
程で作業者の労力に依存する場合が多いため、多大な労
力を要し、作業効率が悪い、常時一定の品質を保持する
のが困難である等の課題があった。[0003] However, the kneading method using a tarai-type batch mixer requires the labor of the operator in all processes such as measurement and feeding of water and hydraulic material, adjustment of the kneading time, and discharge of the kneaded material. In many cases, there is a problem that a large amount of labor is required, work efficiency is poor, and it is difficult to always maintain a constant quality.
【０００４】また、従来の連続混練装置を使用した混練
方法においては、混練物が移送スクリューやケーシング
内壁に付着し、成長してケーシング内の閉塞や過負荷に
よるモーターの停止などをまねき、安定した混練ができ
ない等の課題があった。In a conventional kneading method using a continuous kneading apparatus, a kneaded material adheres to a transfer screw or an inner wall of a casing and grows, causing a blockage of the casing or stopping of a motor due to an overload. There were problems such as inability to knead.
【０００５】本発明者は、前記課題を解消すべく種々検
討した結果、混練羽根の手前に流路制限板を設置するこ
とにより、円滑な混練が可能となる知見を得て、本発明
を完成するに至った。The inventor of the present invention has conducted various studies to solve the above-mentioned problems, and as a result, obtained a finding that smooth kneading can be performed by installing a flow path restricting plate in front of the kneading blade, and completed the present invention. I came to.
【０００６】[0006]
【課題を解決するための手段】即ち、本発明は、原料投
入口１より移送ケーシング７に供給される被混練物を混
練ケーシング８に移送する移送スクリュー２と、該混練
ケーシング８の導入部分に設置した着脱可能な流路制限
板９と、該混練ケーシング８内に設置され、移送スクリ
ュー２と同軸の混練羽根４とを設置してなる連続混練装
置である。That is, according to the present invention, a transfer screw 2 for transferring a material to be kneaded, which is supplied to a transfer casing 7 from a raw material charging port 1, to a kneading casing 8, and an introduction portion of the kneading casing 8 are provided. This is a continuous kneading apparatus in which a detachable flow path restricting plate 9 installed and a kneading blade 4 installed in the kneading casing 8 and coaxial with the transfer screw 2 are installed.
【０００７】以下、本発明を一実施例である図面に基づ
いてさらに詳しく説明する。Hereinafter, the present invention will be described in more detail with reference to the drawings, which are one embodiment.
【０００８】本発明に係る被混練物としては、普通ポル
トランドセメントや早強ポルトランドセメントなどのセ
メント類、スラグやポゾラン物質などの潜在水硬性物質
などに、必要に応じて砂や砂利などの骨材、並びに、膨
張材、減水剤、流動化剤、硬化促進剤、及び硬化遅延剤
等の混和材を配合した組成物、あるいは、窒化ケイ素や
炭化ケイ素などの、ファインセラミックスの粉末などが
挙げられる。[0008] The material to be kneaded according to the present invention includes cements such as ordinary Portland cement and early-strength Portland cement, latent hydraulic materials such as slag and pozzolanic substances, and aggregates such as sand and gravel if necessary. And a composition containing an admixture such as an expanding material, a water reducing agent, a fluidizing agent, a curing accelerator, and a curing retarder, or a fine ceramic powder such as silicon nitride or silicon carbide.
【０００９】前記被混練物は、ドライ状態又はプレウエ
ット状態で、原料投入口１から移送ケーシング７に供給
される。The material to be kneaded is supplied to the transfer casing 7 from the raw material inlet 1 in a dry state or a pre-wet state.
【００１０】供給方法は特に制限されるものではない
が、例えば、スクリューフィーダーやロータリーフィー
ダーなどの一般的な供給装置を用いて連続定量的に供給
することが好ましい。[0010] The supply method is not particularly limited, but it is preferable to supply it continuously and quantitatively using a general supply device such as a screw feeder or a rotary feeder.
【００１１】移送スクリュー２は、連続定量的に被混練
物が供給されてくる量以上の移送能力を有するものであ
ればよく、その形状については特に制限されるものでは
無い。The shape of the transfer screw 2 is not particularly limited as long as it has a transfer capacity equal to or larger than the amount by which the material to be kneaded is supplied continuously and quantitatively.
【００１２】流路制限板９は、移送スクリュー２を設置
した移送ケーシング７と混練羽根４を設置した混練ケー
シング８との境界に設置するもので、移送スクリュー２
と混練羽根４が連結されている回転軸３から上半面の流
路を遮断するような形で設置されることが好ましい。The flow path limiting plate 9 is provided at the boundary between the transfer casing 7 in which the transfer screw 2 is installed and the kneading casing 8 in which the kneading blades 4 are installed.
And the kneading blade 4 are preferably installed in such a manner as to block the upper half flow path from the rotating shaft 3 to which the mixing blade 4 is connected.
【００１３】また、流路制限板９をスライド式とし、上
下方向にスライドさせて流路の開口面積を調整すること
により、粉体の通過流路をスクリューシャフトの下部側
に制限することが好ましい。Further, it is preferable that the flow passage restricting plate 9 is of a slide type and is slid up and down to adjust the opening area of the flow passage so that the flow passage of the powder is restricted to the lower side of the screw shaft. .
【００１４】さらに、流路制限板９は、例えば、混練ケ
ーシング８の外部から差し込み式に設置する等着脱が容
易なものとすることが好ましい。Further, it is preferable that the flow passage restricting plate 9 is easily detachable, for example, it is inserted from the outside of the kneading casing 8 and inserted.
【００１５】流路制限板９による流路の制御面の広さ
は、混練羽根４によってはね上げられた被混練物と液体
の混合物が、移送スクリュー２側に戻るのを阻止できる
程度でよく、特に制限されるものではない。被混練物の
種類により混練羽根４によってはね上げられる量が異な
ることが予想されるので、流路を制御する面の広さは任
意に変更できるように上下方向にスライドできるように
することが好ましい。The width of the control surface of the flow path by the flow path restricting plate 9 may be such that the mixture of the material to be kneaded and the liquid which has been splashed up by the kneading blades 4 can be prevented from returning to the transfer screw 2 side. There is no restriction. It is expected that the amount of the material to be kneaded up by the kneading blades 4 varies depending on the type of the kneading material.
【００１６】本発明において、混練ケーシング８内で被
混練物と液体を混合し混練する。In the present invention, the material to be kneaded and the liquid are mixed and kneaded in the kneading casing 8.
【００１７】ここで、液体としては、水、水溶性混和剤
や液状混和剤を含有した水溶液、及びエマルジョンやラ
テックス等が挙げられる。Here, examples of the liquid include water, an aqueous solution containing a water-soluble admixture and a liquid admixture, and emulsions and latexes.
【００１８】本発明において、液体の混合は、被混練物
と液体を均一に混合できるように混練ケーシング８内に
供給できれば特に制限されるものではないが、例えば、
水供給口を混練ケーシング８の円周方向に複数個設置す
る方法等が可能である。In the present invention, the mixing of the liquid is not particularly limited as long as it can be supplied into the kneading casing 8 so that the material to be kneaded and the liquid can be uniformly mixed.
A method of installing a plurality of water supply ports in the circumferential direction of the kneading casing 8 and the like are possible.
【００１９】被混練物と液体との混合物は、後方から連
続的に供給される混合物に押されるような形で順次混練
羽根４に供給される。The mixture of the material to be kneaded and the liquid is successively supplied to the kneading blades 4 in such a manner as to be pushed by the continuously supplied mixture from the rear.
【００２０】混練羽根４は、移送スクリュー２と回転軸
３を同一とし、かつ、移送スクリュー２の先端に設置さ
れている。The kneading blade 4 has the same rotary shaft 3 as the transfer screw 2 and is installed at the tip of the transfer screw 2.
【００２１】混練羽根４の形状、枚数、取付位置、及び
寸法等については、特に限定されるものではないが、混
練羽根４と流路制限板９との距離が、混練羽根４のピッ
チと同等以下になるような位置に取付けることが好まし
い。また、混合物にせん断力を与えて混練を効率的に行
うために、形状は平板状が好ましく、かつ、回転軸断面
に対し適度な角度、例えば、５〜45°のひねりを持たせ
ることが望ましい。The shape, number, mounting position, size, etc. of the kneading blades 4 are not particularly limited, but the distance between the kneading blades 4 and the flow path restricting plate 9 is equal to the pitch of the kneading blades 4. It is preferable to attach it to a position as follows. In addition, in order to efficiently perform kneading by applying a shearing force to the mixture, the shape is preferably a flat plate, and it is desirable to have a moderate angle to the rotation shaft cross section, for example, a twist of 5 to 45 °. .
【００２２】移送スクリュー２と混練羽根４の回転数
は、可変モーター１１の回転数を調整することにより行
われる。The rotation speed of the transfer screw 2 and the kneading blade 4 is adjusted by adjusting the rotation speed of the variable motor 11.
【００２３】混練羽根４によって混練された混練物は排
出口１２から連続的に排出される。The kneaded material kneaded by the kneading blades 4 is continuously discharged from a discharge port 12.
【００２４】本発明の連続混練装置における移送スクリ
ュー２、回転軸３、混練羽根４、及び移送ケーシング
７、及び混練ケーシング８の材質は特に制限されるもの
ではなく、鉄、ステンレス、及びアルミニウム等の金
属、それらにセラミックスをライニングしたもの、並び
に、強化プラスチック等の使用が可能である。The materials of the transfer screw 2, rotary shaft 3, kneading blade 4, transfer casing 7, and kneading casing 8 in the continuous kneading apparatus of the present invention are not particularly limited, and iron, stainless steel, aluminum and the like can be used. It is possible to use metals, those obtained by lining ceramics, and reinforced plastics.
【００２５】[0025]
【発明の効果】本発明の連続混練装置を使用することに
より、被混練物と液体との混合物がミキサー内部、特
に、移送スクリューのケーシング内部に付着することを
抑制し、長時間連続安定運転ができ、かつ、均一な混練
物を得ることが可能となった。By using the continuous kneading apparatus of the present invention, the mixture of the material to be kneaded and the liquid is prevented from adhering to the inside of the mixer, in particular, to the inside of the casing of the transfer screw. It was possible to obtain a uniform and kneaded material.
【図１】図１は、本発明における連続混練装置の一実施
例の断面図である。FIG. 1 is a sectional view of one embodiment of a continuous kneading apparatus according to the present invention.
１ 原料投入口 ２ 移送スクリュー ３ 回転軸 ４ 混練羽根 ５ 水ポンプ ６ 流量計 ７ 移送ケーシング ８ 混練ケーシング ９ 流路制限板 １０ 水供給口 １１ 可変モーター １２ 排出口 DESCRIPTION OF SYMBOLS 1 Raw material input port 2 Transfer screw 3 Rotating shaft 4 Kneading blade 5 Water pump 6 Flow meter 7 Transfer casing 8 Kneading casing 9 Flow path restriction plate 10 Water supply port 11 Variable motor 12 Discharge port
───────────────────────────────────────────────────── フロントページの続き (72)発明者 半田 実 新潟県西頸城郡青海町大字青海2209番地 電気化学工業株式会社 青海工場内 審査官 鳥居 稔 (56)参考文献 特開 昭50−51108（ＪＰ，Ａ) 特開 昭51−89258（ＪＰ，Ａ) 実開 昭51−3470（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B01F 7/02,7/04 ──────────────────────────────────────────────────続 き Continued on the front page (72) Minoru Handa 2209 Aomi, Aomi-cho, Nishikubiki-gun, Niigata Pref. A) JP-A-51-89258 (JP, A) JP-A-51-3470 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) B01F 7/02, 7/04
Claims (1)
給される被混練物を混練ケーシング８に移送する移送ス
クリュー２と、該混練ケーシング８の導入部分に設置し
た着脱可能な流路制限板９と、該混練ケーシング８内に
設置され、移送スクリュー２と同軸の混練羽根４とを設
置してなる連続混練装置。1. A transfer screw 2 for transferring a material to be kneaded supplied from a material inlet 1 to a transfer casing 7 to a kneading casing 8, and a detachable flow path restricting plate 9 installed at an introduction portion of the kneading casing 8. And a kneading blade 4 installed in the kneading casing 8 and coaxial with the transfer screw 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17894192A JP3209363B2 (en) | 1992-06-15 | 1992-06-15 | Continuous kneading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17894192A JP3209363B2 (en) | 1992-06-15 | 1992-06-15 | Continuous kneading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05345121A JPH05345121A (en) | 1993-12-27 |
| JP3209363B2 true JP3209363B2 (en) | 2001-09-17 |
Family
ID=16057326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17894192A Expired - Fee Related JP3209363B2 (en) | 1992-06-15 | 1992-06-15 | Continuous kneading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3209363B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4721204B2 (en) * | 2000-11-15 | 2011-07-13 | 大平洋機工株式会社 | Mixing and granulating equipment |
| CN104084071A (en) * | 2014-07-19 | 2014-10-08 | 苏州创维晟自动化科技有限公司 | Stirrer |
| CN112248226A (en) * | 2020-09-23 | 2021-01-22 | 中煤科工集团西安研究院有限公司 | Paste filling material spiral continuous stirring device and paste material preparation method |
| CN112976300B (en) * | 2021-03-29 | 2022-08-26 | 潮州市东润陶瓷材料有限公司 | High temperature resistant ceramic pug mill |
-
1992
- 1992-06-15 JP JP17894192A patent/JP3209363B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05345121A (en) | 1993-12-27 |
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