JPH01253589A - Screw pump - Google Patents
Screw pumpInfo
- Publication number
- JPH01253589A JPH01253589A JP8102088A JP8102088A JPH01253589A JP H01253589 A JPH01253589 A JP H01253589A JP 8102088 A JP8102088 A JP 8102088A JP 8102088 A JP8102088 A JP 8102088A JP H01253589 A JPH01253589 A JP H01253589A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- screw conveyor
- inlet
- inlet device
- hopper
- 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.)
- Granted
Links
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 10
- 239000010802 sludge Substances 0.000 abstract description 4
- 230000032258 transport Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electromagnetic Pumps, Or The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
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２発電所の取水口、湖沼
、河川１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 Application Field] The present invention is used for transporting objects to be transported, for example, soft mud such as sludge accumulated in water intakes of two submarine power plants, lakes, rivers, and ports. The invention relates 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] Screw pumps that have been proposed in the past include a groove with a semicircular cross section at the bottom, a screw blade rotatably disposed in the groove, and a screw pump that rotates along the threaded surface of the screw blade. (e.g., Mechanical Engineering Handbook, 6th Edition, pp. 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、輸送物の取込み効率が悪いと
いう欠点があフた。[Problems to be Solved by the Invention] However, conventional screw pumps have a structure in which the transported material is simply introduced into the screw pump through the intake port, so the efficiency of taking in the transported material is poor. That shortcoming has disappeared.
［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、スクリュコンベヤと、
このスクリュコンベヤの取込口側に回転可能に設けられ
かつ攪拌スクリーンとかき込み板を有するインレット装
置と、該インレット装置に輸送物を送り込む投入口とを
備えた構成としたものである。[Means for Solving the Problems] A screw pump according to the present invention includes a screw conveyor,
The screw conveyor is configured to include an inlet device which is rotatably provided on the inlet side and has a stirring screen and a scraping plate, and an input port through which material to be transported is fed into the inlet device.
本発明では、横軸を中心に回転自在に設けたインレット
装置の下側に、開閉可能な異物排出部を設けても良い。In the present invention, an openable and closable foreign matter discharge section may be provided below the inlet device which is rotatably provided around the horizontal axis.
［作 用］
本発明のスクリュポンプは、ホッパによって輸送物がイ
ンレット装置側に送り込まれ、さらに該インレット装置
によってスクリュコンベヤ内に積極的に取り込まれるよ
うになっているので、該輸送物の取込み効率が大幅に向
上する。[Function] In the screw pump of the present invention, the transported material is sent into the inlet device side by the hopper, and is further actively taken into the screw conveyor by the inlet device, so that the taken-in efficiency of the transported material is improved. will be significantly improved.
インレット装置の下側に異物排出部を設けると、不必要
に大きな岩石や異物を該排出部から取り出すことができ
る。By providing a foreign matter discharge section on the lower side of the inlet device, it is possible to remove unnecessarily large rocks and foreign matter from the discharge section.
［実施例］
以下、図に示す実施例を用いて本発明の詳細な説明する
。[Example] Hereinafter, the present invention will be described in detail using 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 a screw pump according to the present invention, and FIG. 2 is a sectional view taken along the line II-II in 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 body 2 and a cylindrical body 2.
It has a structure including a screw '3 which is rotatably housed inside the container, and the object to be transported (soft mud such as sludge) can be transported by the screw 3. The screw 3 is configured to be rotationally driven via a pulley 4 connected to one end of the cylindrical 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ｉ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攪拌スクリーン１０とを備えた構成
となっている。該攪拌スクリーン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図に示すととく略三
角形を呈するリング状部材となっており、かつスクリュ
３の軸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を介してテーバシ
ャフト１２に連結されており、該テーパシャフト１２の
開放端側に固着されたギヤ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。１
２ａはテーバシャフト１２用の軸受で、ホッパ１４の側
壁の一部に固定されている。Further, on the intake port 5 side of the screw conveyor 1, an inlet device 6 is provided for drawing the transported articles into the screw conveyor i. This inlet device 6 is provided on the intake port 5 side of the screw conveyor 1.
a rotary cylinder 7 coaxially and rotatably attached around the axis, a bracket 8 attached to one end side of the rotary cylinder 7, and a screw 3 supported and fixed to the bracket 8.
The structure includes a scraping plate 9 disposed around the scraping plate 9, and an agitation screen 10 provided on the outer peripheral side of the scraping plate 9. The stirring screen 10 is used to prevent unnecessarily large rocks and foreign matter from entering the cylinder 2 through the intake port 5, and has a substantially triangular shape as shown in FIG. They are ring-shaped members, and a plurality of them (eight in this embodiment) are arranged at predetermined intervals in the axial direction of the screw 3. Further, the other end of the rotary cylinder 7 is connected to a taper shaft 12 via an end plate 11, and when a gear 13 fixed to the open end side of the taper shaft 12 is rotationally driven, the rotary cylinder 7 is configured to be rotated. 1
2a is a bearing for the Taber shaft 12, and is fixed to a part of the side wall of the hopper 14.
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１４の下端側側壁には、開閉可能な異物排出口１
４ａが設けられている。Reference numeral 14 denotes a hopper which is fixed to the outer periphery of the cylinder 2 so as to surround the inlet device 6 and is an inlet for introducing soft mud. The hopper 14 has a trumpet-like structure with an open upper end and a closed lower end 14b. In addition,
A foreign matter discharge port 1 that can be opened and closed is provided on the lower end side wall of the hopper 14.
4a is provided.
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, an impeller 16 in the form of a centrifugal pump is provided on the discharge port 15 side of the screw conveyor 1. The impeller 16 operates simultaneously with 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及び攪拌ス
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、輸送物は攪拌スクリーン１０によって
攪拌された後、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は攪拌スクリーン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 explained. First, the cargo is introduced into the hopper 14 from the upper end opening 14c, and at the same time the inlet device 6 is moved in the direction of rotation of the screw 3 (arrow A in FIG. 2).
direction) and in the opposite direction (direction of arrow B in Figure 2). That is, by rotating the gear 13, the taper shaft 12, rotating tube 7, scraping plate 9, and stirring screen 10 are rotated as one in the direction of arrow B in FIG. 2. Then, the transported material is stirred by the stirring screen 10 and then taken into the cylinder 2 through the intake port 5 by the rotation of the scraping plate 9. At this time, the foreign matter 19 mixed in the transported material is prevented from entering through the intake port 5 by the stirring screen 10, accumulates at the lower end 14b of the hopper, and is appropriately discharged to the outside of the hopper 14 from the foreign matter discharge port 14a.
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１
５から排送管１８内に圧送排出される。On the other hand, the transported object taken into the cylinder body 2 moves to the right side (discharge port 15 side) inside the cylinder body 2 by the rotation of the screw 3,
It is discharged from the discharge port 15 into the discharge pipe 18 . During this discharge, the transported material is transferred to the discharge port 1 due to the centrifugal force caused by the rotation of the impeller 16.
5 and is discharged under pressure into the discharge pipe 18.
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。Note that the pitches between the screws 3 may be set to be the same, but as shown in FIG. This has the effect of increasing the filling rate and the pumping force.
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。In the embodiments described above, the screw conveyor 1 is used as a horizontal screw conveyor, but the screw conveyor 1 is not limited to this and may be used as a vertical screw conveyor.
また、ホッパ１４の代りに、輸送管に連通した没入口を
用いることもできる。Furthermore, instead of the hopper 14, an immersion port communicating with the transport pipe may 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
、これに粉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。Note that the screw pump of the present invention can transport various substances. Further, when transporting a muddy body such as sludge, for example, it is also possible to add a solidifying agent in the form of a powder or slurry to the muddy body and transport it under pressure while kneading it.
［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取込
口側にインレット装置を設けているので、輸送物がスク
リュコンベヤ内に効率良く取り込まれることになり、従
来に比べて取込み効率を大幅に向上できるという効果を
有する。[Effects of the Invention] As described above, according to the present invention, since the inlet device is provided on the intake side of the screw conveyor, the transported objects can be taken into the screw conveyor efficiently, and compared to the conventional method, the inlet device is provided on the intake side of the screw conveyor. This has the effect of significantly improving uptake efficiency.
また、異物排出部を設けることにより、不必要に大きな
岩石や異物などを速やかに排出できる。Furthermore, by providing a foreign matter discharge section, unnecessarily large rocks, foreign matter, etc. can be promptly discharged.
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 −ＴＩ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
・・・・攪拌スクリーン、
１４・・・ホッパ（没入口）、
１５・・・吐出口、 １６・・・インペラ。FIG. 1 is a sectional view showing an embodiment of a screw pump according to the present invention, and FIG. 2 is a sectional view taken along the line II-TI in FIG. 1... Screw conveyor, 5... Intake port, 6...
... Inlet device, 9... Scraping board, 10
... Stirring screen, 14... Hopper (immersion port), 15... Discharge port, 16... Impeller.
Claims (2)
リュコンベヤと、 このスクリュコンベヤの取込口側に回転可能に設けられ
かつ攪拌スクリーンとかき込み板を有するインレット装
置と、 該インレット装置に輸送物を送り込む投入口とを備えた
ことを特徴とするスクリュポンプ。(1) A screw conveyor having an intake port at one end and a discharge port at the other end, and an inlet device rotatably installed on the intake port side of the screw conveyor and having a stirring screen and a scraping plate; A screw pump characterized in that it is equipped with an inlet for feeding transported materials into an inlet device.
下側に開閉可能な異物排出部を設けたことを特徴とする
特許請求の範囲第１項記載のスクリュポンプ。(2) The screw pump according to claim 1, further comprising a foreign matter discharge section that can be opened and closed at the bottom of the inlet device, which is rotatable about a horizontal axis.
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 true JPH01253589A (en) | 1989-10-09 |
| JPH0733835B2 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074486A (en) * | 2001-09-04 | 2003-03-12 | Toyo Denki Industrial Co Ltd | Conveying pump with hopper |
| JP2015202447A (en) * | 2014-04-14 | 2015-11-16 | 株式会社鶴見製作所 | Sludge thickener, and sludge thickening system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4735435U (en) * | 1971-05-14 | 1972-12-20 | ||
| 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 |
-
1988
- 1988-04-01 JP JP63081020A patent/JPH0733835B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4735435U (en) * | 1971-05-14 | 1972-12-20 | ||
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074486A (en) * | 2001-09-04 | 2003-03-12 | Toyo Denki Industrial Co Ltd | Conveying pump with hopper |
| JP2015202447A (en) * | 2014-04-14 | 2015-11-16 | 株式会社鶴見製作所 | Sludge thickener, and sludge thickening system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733835B2 (en) | 1995-04-12 |
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