JPH0733835B2 - Screw pump - Google Patents

Screw pump

Info

Publication number
JPH0733835B2
JPH0733835B2 JP63081020A JP8102088A JPH0733835B2 JP H0733835 B2 JPH0733835 B2 JP H0733835B2 JP 63081020 A JP63081020 A JP 63081020A JP 8102088 A JP8102088 A JP 8102088A JP H0733835 B2 JPH0733835 B2 JP H0733835B2
Authority
JP
Japan
Prior art keywords
screw
scraping plate
cylinder
stirring screen
frame
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
Application number
JP63081020A
Other languages
Japanese (ja)
Other versions
JPH01253589A (en
Inventor
潔 杭岡
豊馬 星野
良一 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP63081020A priority Critical patent/JPH0733835B2/en
Publication of JPH01253589A publication Critical patent/JPH01253589A/en
Publication of JPH0733835B2 publication Critical patent/JPH0733835B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Electromagnetic Pumps, Or The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、輸送物、例えば海底,発電所の取水口,湖
沼,河川,港湾等に堆積したヘドロ等の軟泥を輸送する
際に利用されるスクリュポンプに関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is used for transporting a transported material, for example, sludge such as sludge accumulated on the seabed, an intake of a power plant, a lake, a river, a harbor and the like. Related to screw pumps.

[従来の技術] 従来から既に提案されているスクリュポンプは、下部に
断面半円形のといを備えると共に、該といの中にねじ羽
根を回転自在に配置させ、該ねじ羽根のねじ面に沿って
輸送物を送るように構成されていた(例えば、機械工学
便覧第6版第16−30頁)。
[Prior Art] A screw pump that has been already proposed has a gutter with a semicircular cross section in the lower part, and screw blades are rotatably arranged in the gutter so that the screw blades are arranged along the screw surface of the screw blade. It was configured to send packages (eg, Mechanical Engineering Handbook, 6th Edition, pages 16-30).

[発明が解決しようとする課題] しかしながら、従来のスクリュポンプにあっては、単に
スクリュポンプの取込口からその内部に輸送物を導入す
るだけの構造であるため、輸送物の取込ま効率が悪いと
いう欠点があった。
[Problems to be Solved by the Invention] However, since the conventional screw pump has a structure in which a package is simply introduced into the inside of the screw pump from the inlet, the efficiency of capturing the package is low. It had the drawback of being bad.

[課題を解決するための手段] 本発明に係るスクリュポンプは、スクリュ及び該スクリ
ュが内挿された筒体を有するスクリュコンベヤにおい
て、 該スクリュの一端が該筒体の一端から筒体軸心線方向に
延出しており、 該スクリュの該一端部分の外周を周回回転可能なかき込
み板が、複数枚、該スクリュの周方向に間隔をおいて配
設されており、 該かき込み板に固着された撹拌スクリーンが該かき込み
板の外周側に配設されており、 該攪拌スクリーンは、バーを角形の枠状に組み合わせた
複数の枠状部材が、枠面を前記スクリュの軸心線方向と
略直交させ、かつ該スクリュ軸心線方向に所定間隔にお
いて配設されてなるものであり、 該かき込み板及び攪拌スクリーンを囲むケーシングが設
けられ、このケーシングに被輸送物の取込口が設けられ
ていることを特徴とする。
[Means for Solving the Problems] A screw pump according to the present invention is a screw conveyor having a screw and a cylinder into which the screw is inserted, and one end of the screw is from the one end of the cylinder to the cylinder axis. A plurality of scraping plates that extend in the direction of the screw and can rotate around the outer periphery of the one end portion of the screw are arranged at intervals in the circumferential direction of the screw, and are fixed to the scraping plate. A stirring screen is arranged on the outer peripheral side of the scraping plate. In the stirring screen, a plurality of frame-shaped members in which bars are combined in a rectangular frame shape have a frame surface substantially orthogonal to the axial direction of the screw. And a casing that encloses the scraping plate and the stirring screen is provided, and the casing is provided with an inlet for the transported object. It is characterized in that is.

[作 用] 本発明のスクリュポンプは、かき込み板を回転させるこ
とにより、泥土等の被輸送物が筒体内に送り込まれる。
また、このかき込み板に固着された枠状部材も回転し、
泥土等が効率良く攪拌され、かき込み板による泥土かき
込み効率が向上する。さらに、複数の枠状部材の間を通
過しえない大塊状の異物が筒体内に送り込まれないの
で、泥土のみを筒体内に取り込むことができる。もので
ある。
[Operation] In the screw pump of the present invention, the transported object such as mud is fed into the cylinder by rotating the scraping plate.
In addition, the frame-shaped member fixed to this scraping plate also rotates,
The mud and the like are efficiently stirred, and the mud scraping efficiency by the scraping plate is improved. Furthermore, since a large lump of foreign matter that cannot pass between the plurality of frame-shaped members is not fed into the cylinder, only the mud can be taken into the cylinder. It is a thing.

[実施例] 以下、図に示す実施例を用いて本発明の詳細を説明す
る。
[Examples] Hereinafter, the present invention will be described in detail with reference to the examples shown in the drawings.

第1図は本発明に係るスクリュポンプの一実施例を示す
断面図、第2図は第1図のII−II線断面図である。
FIG. 1 is a sectional view showing an embodiment of the screw pump according to the present invention, and FIG. 2 is a sectional view taken along line II-II of FIG.

スクリュコンベヤ1は、円筒状の筒体2と、この筒体2
内に回転可能に収納配置されたスクリュ3を備えた構成
となっており、該スクリュ3によって輸送物(ヘドロ等
の軟泥)を搬送し得るようになっている。該スクリュ3
は、筒体2の吐出口側の一端に連結されたプーリ4を介
して回転駆動されるよう構成されている。
The screw conveyor 1 includes a cylindrical tubular body 2 and the tubular body 2.
The screw 3 is rotatably accommodated in the inside of the screw 3, and the screw 3 can convey a transported material (soft mud such as sludge). The screw 3
Is configured to be rotationally driven via a pulley 4 connected to one end of the tubular body 2 on the discharge port side.

また、前記スクリュコンベヤ1の取込口5側には、輸送
物をスクリュコンベヤ1内にかき込む為のインレット装
置6が設けられている。このインレット装置6は、スク
リュコンベヤ1の取込口5側に、該スクリュコンベヤ1
と同軸的かつ軸心周りに回転可能に取り付けられた回転
筒7と、該回転筒7の一端側に取り付けられたブラケッ
ト8と、該ブラケット8に支持固定されかつスクリュ3
の周囲に配置されたかき込み板9と、該かき込み板9の
外周側に設けられた撹拌スクリーン10とを備えた構成と
なっている。該撹拌スクリーン10は、不必要に大きな岩
石や異物が取込口5を通って筒体2内に侵入してくるの
を防止するためのもので、第2図に示すごとくバーを略
三角形の枠状となるように組み合わせた枠状部材を備え
ている。これらの枠状部材は、枠面をスクリュ3の軸心
線方向と略直交させ、かつ該軸心線方向に所定間隔離間
した状態で複数個(本実施例にあっては8個)配設され
ている。また、前記回転筒7は、その他端がエンドプレ
ート11を介してテーパシャフト12に連結されており、該
テーパシャフト12に固着されたギヤ13が回転駆動される
ことによって回転筒7が回転されるように構成されてい
る。
Further, an inlet device 6 for scraping a transported object into the screw conveyor 1 is provided on the intake port 5 side of the screw conveyor 1. This inlet device 6 is provided on the intake port 5 side of the screw conveyor 1
A rotary cylinder 7 coaxially attached to the rotary cylinder 7 and rotatable about an axis, a bracket 8 attached to one end of the rotary cylinder 7, and a screw 3 supported and fixed to the bracket 8.
And a stirring screen 10 provided on the outer peripheral side of the scraping plate 9. The stirring screen 10 is for preventing unnecessarily large rocks and foreign substances from entering the inside of the cylindrical body 2 through the intake port 5. As shown in FIG. 2, the bar has a substantially triangular shape. It is provided with a frame-shaped member combined so as to have a frame shape. A plurality of these frame-shaped members (eight in this embodiment) are arranged with the frame surface substantially orthogonal to the axial direction of the screw 3 and at a predetermined distance in the axial direction. Has been done. The other end of the rotary cylinder 7 is connected to the taper shaft 12 via an end plate 11, and the rotary cylinder 7 is rotated by rotationally driving a gear 13 fixed to the taper shaft 12. Is configured.

符号14はインレット装置6を囲むごとく筒体2の外周に
固定された軟泥の投入口であるホッパである。該ホッパ
14はその上端が開口してラッパ状に作製されており、か
つ下端14bは閉塞した構造となっている。なお、ホッパ1
4の下端側側壁には、開閉可能な異物排出口14aが設けら
れている。
Reference numeral 14 is a hopper which is fixed to the outer periphery of the cylindrical body 2 so as to surround the inlet device 6 and which is an inlet for the soft mud. The hopper
The upper end of 14 is formed in a trumpet shape with its upper end opened, and the lower end 14b is closed. In addition, hopper 1
The side wall on the lower end side of 4 is provided with a foreign matter discharge port 14a that can be opened and closed.

また、前記スクリュコンベヤ1の吐出口15側には遠心ポ
ンプ形式のインペラ16が設けられている。該インペラ16
はスクリュ軸3aの回転と同時に作動し、輸送物を遠心力
で吐出口15から排送管18に送り込むようになっている。
Further, a centrifugal pump type impeller 16 is provided on the discharge port 15 side of the screw conveyor 1. The impeller 16
Operates at the same time as the rotation of the screw shaft 3a, and sends the transported material from the discharge port 15 to the discharge pipe 18 by centrifugal force.

次に、作動について説明する。まず、ホッパ14内にその
上端開口部14cから輸送物を投入すると同時に、インレ
ット装置6をスクリュ3の回転方向(第2図矢印A方
向)とは逆方向(第2図矢印B方向)に回転駆動させ
る。すなわち、ギヤ13を回転させることによって、テー
パシャフト12、回転筒7、かき込み板9及び撹拌スクリ
ーン10を一体となって第2図の矢印B方向に回転させ
る。すると、輸送物は撹拌スクリーン10によって撹拌さ
れた後、かき込み板9の回転により取込口5から筒体2
内に取り込まれる。なお、この際輸送物に混入している
異物19は撹拌スクリーン10により取込口5からの侵入を
防止され、ホッパ下端14bに貯まり、適宜異物排出口14a
からホッパ14外へ排出される。
Next, the operation will be described. First, at the same time when a package is loaded into the hopper 14 through its upper end opening 14c, the inlet device 6 is rotated in a direction opposite to the rotation direction of the screw 3 (direction of arrow A in FIG. 2) (direction of arrow B in FIG. 2). Drive it. That is, by rotating the gear 13, the taper shaft 12, the rotary cylinder 7, the scraping plate 9, and the stirring screen 10 are integrally rotated in the direction of arrow B in FIG. Then, the transported material is stirred by the stirring screen 10 and then rotated by the scraping plate 9 to move from the intake port 5 to the cylindrical body 2.
Taken in. At this time, the foreign matter 19 mixed in the transported material is prevented from entering from the intake port 5 by the agitation screen 10, is accumulated in the lower end 14b of the hopper, and is appropriately discharged from the foreign matter discharge port 14a.
Is discharged from the hopper 14 to the outside.

一方、筒体2内に取り込まれた輸送物は、スクリュ3の
回転により筒体2内を右側(吐出口15側)に移動し、吐
出口15から排送管18に排出される。この排出の際、輸送
物はインペラ16の回転による遠心力で吐出口15から排送
管18内に圧送排出される。
On the other hand, the transported material taken into the tubular body 2 moves to the right side (the ejection port 15 side) in the tubular body 2 by the rotation of the screw 3, and is discharged from the ejection port 15 to the delivery pipe 18. At the time of this discharge, the transported material is pumped and discharged from the discharge port 15 into the discharge pipe 18 by the centrifugal force generated by the rotation of the impeller 16.

なお、スクリュ3間のピッチは同間隔に設定してもよい
が、第1図に示すごとく、取入口5側のピッチを広くし
かつ吐出口15側に向って次第に狭くなるよう構成するこ
とにより、充満率を高めることができると共に圧送力を
高めることができるという効果を有する。
The pitch between the screws 3 may be set to the same interval, but as shown in FIG. 1, by making the pitch on the intake port 5 side wide and gradually narrowing toward the discharge port 15 side. In addition, the filling rate can be increased and the pumping force can be increased.

上述した実施例においてはスクリュコンベヤ1を横形と
して使用したが、別にこれに限定されるものではなく竪
形として使用してもよい。
Although the screw conveyor 1 is used as a horizontal type in the above-described embodiments, it is not limited to this and may be used as a vertical type.

また、ホッパ14の代りに、輸送管に連通した投入口を用
いることもできる。
Further, instead of the hopper 14, an input port communicating with the transportation pipe can be used.

なお、本発明のスクリュポンプは各種の物質を輸送でき
る。また、例えばヘドロ等の泥状体を輸送するときに
は、これに紛状又はスラリ状の固化剤を添加して混練し
ながら圧送する等の使用も可能である。
The screw pump of the present invention can transport various substances. In addition, for example, when a mud-like material such as sludge is transported, a powdery or slurry-like solidifying agent may be added to the mud-like material and the mixture may be kneaded and pressure-fed.

[発明の効果] 以上の通り、本発明によれば、スクリュコンベヤの筒体
内に泥土等のみを効率良く取り込んで圧送することがで
きる。本発明では、泥土等が攪拌スクリーンで攪拌され
てからかき込み板で取り込まれるため、この取り込み効
率がきわめて高く、しかも大塊状の異物の取り込みも防
止される。
[Effects of the Invention] As described above, according to the present invention, it is possible to efficiently take in only mud and the like into the cylinder of the screw conveyor and pressure-feed it. In the present invention, since the mud and the like are stirred by the stirring screen and then taken in by the scraping plate, the taking-in efficiency is extremely high, and the taking in of large-sized foreign matters is also prevented.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明に係るスクリュポンプの一実施例を示す
断面図、第2図は第1図のII−II線断面図である。 1……スクリュコンベヤ、5……取込口、 6……インレット装置、9……かき込み板、 10……撹拌スクリーン、 14……ホッパ(投入口)、 15……吐出口、16……インペラ。
FIG. 1 is a sectional view showing an embodiment of the screw pump according to the present invention, and FIG. 2 is a sectional view taken along line II-II of FIG. 1 ... Screw conveyor, 5 ... Intake port, 6 ... Inlet device, 9 ... Scraping plate, 10 ... Stirring screen, 14 ... Hopper (input port), 15 ... Discharge port, 16 ... Impeller .

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】スクリュ及び該スクリュが内挿された筒体
を有するスクリュコンベヤにおいて、 該スクリュの一端が該筒体の一端から筒体軸心線方向に
延出しており、 該スクリュの該一端部分の外周を周回回転可能なかき込
み板が、複数枚、該スクリュの周方向に間隔をおいて配
設されており、 該かき込み板に固着された攪拌スクリーンが該かき込み
板の外周側に配設されており、 該攪拌スクリーンは、バーを角形の枠状に組み合わせた
複数の枠状部材が、枠面を前記スクリュの軸心線方向と
略直交させ、かつ該スクリュ軸心線方向に所定間隔をお
いて配設されてなるものであり、 該かき込み板及び攪拌スクリーンを囲むケーシングが設
けられ、このケーシングに被輸送物の取込口が設けられ
ていることを特徴とするスクリュコンベヤ。
1. A screw conveyor having a screw and a cylinder into which the screw is inserted, wherein one end of the screw extends from one end of the cylinder in a cylinder axis direction, and the one end of the screw A plurality of scraping plates which can rotate around the outer circumference of the portion are arranged at intervals in the circumferential direction of the screw, and a stirring screen fixed to the scraping plate is arranged on the outer peripheral side of the scraping plate. In the stirring screen, a plurality of frame-shaped members in which bars are combined in a rectangular frame shape make the frame surface substantially orthogonal to the axial direction of the screw and have predetermined intervals in the axial direction of the screw. A screw conveyor comprising a casing surrounding the scraping plate and the stirring screen, and the casing having an inlet for an object to be transported.
JP63081020A 1988-04-01 1988-04-01 Screw pump Expired - Lifetime JPH0733835B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63081020A JPH0733835B2 (en) 1988-04-01 1988-04-01 Screw pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63081020A JPH0733835B2 (en) 1988-04-01 1988-04-01 Screw pump

Publications (2)

Publication Number Publication Date
JPH01253589A JPH01253589A (en) 1989-10-09
JPH0733835B2 true JPH0733835B2 (en) 1995-04-12

Family

ID=13734802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63081020A Expired - Lifetime JPH0733835B2 (en) 1988-04-01 1988-04-01 Screw pump

Country Status (1)

Country Link
JP (1) JPH0733835B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5113966B2 (en) * 2001-09-04 2013-01-09 株式会社東洋電機工業所 Transport pump with hopper
JP6239433B2 (en) * 2014-04-14 2017-11-29 株式会社鶴見製作所 Sludge concentration machine and sludge concentration system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138196Y2 (en) * 1971-05-14 1976-09-18
JPS4878505A (en) * 1972-01-25 1973-10-22
JPS5161006A (en) * 1974-11-22 1976-05-27 Teijin Ltd TATEGATASUKURYUUHONPUSOCHI
JPS58102795U (en) * 1982-01-06 1983-07-13 松隈 保雄 Cement slurry pumping device
JPS6268913U (en) * 1985-10-21 1987-04-30

Also Published As

Publication number Publication date
JPH01253589A (en) 1989-10-09

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