JPH1142466A - Water channel cleaning machine - Google Patents
Water channel cleaning machineInfo
- Publication number
- JPH1142466A JPH1142466A JP9203020A JP20302097A JPH1142466A JP H1142466 A JPH1142466 A JP H1142466A JP 9203020 A JP9203020 A JP 9203020A JP 20302097 A JP20302097 A JP 20302097A JP H1142466 A JPH1142466 A JP H1142466A
- Authority
- JP
- Japan
- Prior art keywords
- swiveling
- cylindrical casing
- removal plates
- cleaning machine
- thruster
- 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.)
- Withdrawn
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Cleaning In General (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、火力発電所および
原子力発電所の取排水路に付着生育した貝や、藻類等を
除去する清掃機の壁面押圧力を増大させる技術に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for increasing the wall pressing force of a cleaner for removing shells, algae, and the like adhered and grown on intake / drainage channels of thermal power plants and nuclear power plants.
【０００２】[0002]
【従来の技術】従来の技術を図２に示す。火力発電所お
よび原子力発電所には、海から冷却水を取水、排水する
長距離の水路がある。2. Description of the Related Art FIG. Thermal and nuclear power plants have long waterways that draw and drain cooling water from the sea.
【０００３】その水路の壁面には、多種類の貝、藻類等
が付着、成長し、流れの抵抗になるとともに、剥離して
復水器へ入り、冷却管の、閉塞や腐食の原因になる。こ
れらの海洋生物を除去清掃するものを水路清掃機とい
う。Various types of shellfish, algae, etc. adhere and grow on the wall of the water channel, causing flow resistance, peeling off and entering the condenser, causing blockage and corrosion of the cooling pipe. . A device that removes and cleans these marine organisms is called a channel cleaner.
【０００４】従来の水路清掃機の１例を図２に基づいて
説明する。図２（Ａ）は、従来の水路清掃機の側面図、
図２（Ｂ）は、従来の水路清掃機の底面図である。[0004] An example of a conventional channel cleaning machine will be described with reference to FIG. FIG. 2A is a side view of a conventional waterway cleaning machine,
FIG. 2B is a bottom view of the conventional waterway cleaning machine.
【０００５】主としてＦＲＰ製の清掃機本体２１には、
２個の清掃用電動ブラシ２と、４個の電動車輪３と、電
動機５と、回転翼４とが直結され、円筒ケーシング７内
に収納された４個のの壁面押圧用スラスタ２９が取付け
られている。[0005] The main body 21 of the cleaning machine mainly made of FRP includes:
The two electric brushes for cleaning 2, the four electric wheels 3, the electric motor 5, and the rotary wing 4 are directly connected, and four thrusters 29 for pressing the wall surface accommodated in the cylindrical casing 7 are attached. ing.
【０００６】壁面押圧用スラスタ２９は、軸流ポンプ構
造になっており、電動機５で駆動される回転翼４により
生じる矢印で示す噴流の反力により、清掃機本体１は断
面が矩形の水路の天地あるいは両壁面等に押しつけられ
る。The thruster 29 for pressing the wall has an axial pump structure, and the main body 1 of the cleaning machine has a rectangular cross section due to the reaction force of the jet flow indicated by the arrow generated by the rotary blade 4 driven by the electric motor 5. It is pressed against the top and bottom or both walls.
【０００７】清掃機の操縦は、図２に示されていない水
中投光器、水中テレビカメラ、超音波センサ等を使い、
前記清掃用電動ブラシ２と、電動車輪３と、回転翼４の
電動機５を、地上から複合ケーブル６を介して遠隔操作
することにより行われている。なお、１対の清掃用電動
ブラシ２の回転方向は、互いに逆回転となっており、清
掃機本体１が全体回転しないようになっている。[0007] The operation of the cleaning machine uses an underwater projector, an underwater television camera, an ultrasonic sensor, etc., not shown in FIG.
The cleaning is performed by remotely controlling the cleaning electric brush 2, the electric wheel 3, and the electric motor 5 of the rotary wing 4 from the ground via a composite cable 6. The rotation directions of the pair of cleaning electric brushes 2 are opposite to each other, so that the cleaning device main body 1 does not rotate as a whole.
【０００８】[0008]
【発明が解決しようとする課題】しかし、従来の技術に
は、次のような問題がある。 （１）清掃機は流水中に水路壁の清掃が出来ることが大
きな特徴であるが、流水中における清掃機の安定性は、
流水による抗力に対して４台の壁面押圧用スラスタ２９
の能力にどれほどの余裕が有るかにかかっている。 （２）従って、厳しい条件（高流速）においては、適用
を制限するか、抗力に対抗するために壁面押圧用スラス
タ２９の容量を大きくし、コストと運転費の増加を招く
かのいずれかになっている。 本発明は、これらの問題を解決することができる装置を
提供することを目的とする。However, the prior art has the following problems. (1) The major feature of the cleaning machine is that it can clean the channel walls while running water.
Four thrusters 29 for pressing the wall against drag by running water
It depends on how much you can afford. (2) Therefore, under severe conditions (high flow velocity), either the application is restricted or the capacity of the thruster 29 for pressing the wall is increased in order to counter the drag, which leads to an increase in cost and operating cost. Has become. An object of the present invention is to provide a device that can solve these problems.
【０００９】[0009]
（第１の手段）本発明に係る水路清掃機は、清掃用電動
ブラシ２と電動車輪３と壁面押圧用スラスタ９を有する
水路清掃機において、（Ａ）前記壁面押圧用スラスタ９
は、円筒ケーシング７の中に回転翼４を駆動する電動機
５と、複数の旋回除去板８からなり、（Ｂ）前記旋回除
去板８は、電動機５の外周面と円筒ケーシング７の内周
面との間の円周上に固定されるとともに、旋回除去板８
の入口では回転軸方向に対して入口角αを持ち、旋回除
去板８の出口では回転翼４の出口角β（図示省略）を回
転軸方向に対して０とし、旋回除去板８の入口と出口の
間の旋回除去板８の形状を滑らかに連続するような曲線
で形成し、円筒ケーシング７から噴出される水流が、旋
回除去板８を通過する際に回転翼４によって生じる流れ
の旋回方向成分を除去し、軸方向成分のみとすることを
特徴とする。(First Means) A waterway cleaning machine according to the present invention is a waterway cleaning machine having an electric brush for cleaning 2, an electric wheel 3, and a thruster 9 for pressing a wall surface.
Comprises a motor 5 for driving the rotor 4 in a cylindrical casing 7 and a plurality of swirl removing plates 8. (B) The swirl removing plate 8 comprises an outer peripheral surface of the electric motor 5 and an inner peripheral surface of the cylindrical casing 7. Is fixed on the circumference between
Has an inlet angle α with respect to the rotation axis direction at the entrance, and sets the exit angle β (not shown) of the rotary blade 4 at the exit of the swirl removing plate 8 to 0 with respect to the rotation axis direction. The shape of the swirl-eliminating plate 8 between the outlets is formed by a curve that smoothly continues, and the direction of the swirling of the flow generated by the rotary wing 4 when the water flow ejected from the cylindrical casing 7 passes through the swirl-eliminating plate 8 It is characterized in that the component is removed and only the axial component is left.
【００１０】すなわち、本発明は、清掃機本体１の４台
の壁面押圧用スラスタ９のそれぞれの入口側に設計条件
により決まる入口角αを持ち、下流側へスムーズな曲線
を描き、流体の出口部分でスラスタの軸方向に向く旋回
除去板（ステーベーン）８を複数設けてスラスト力の向
上を計る。That is, according to the present invention, each of the four wall pressing thrusters 9 of the cleaner body 1 has an inlet angle α determined by design conditions, draws a smooth curve downstream, and draws a fluid outlet. A plurality of swirl removing plates (stay vanes) 8 are provided at portions in the axial direction of the thruster to improve the thrust force.
【００１１】したがって、次のように作用する。スラス
タ吸込口から流入した水は回転翼４により増速され円筒
ケーシング７と電動機５の間の通路を通って出口に導か
れ、その噴出流の反力として式（１）で示されるスラス
ト力Ｆが下方に働き、壁面押圧力となる。Therefore, the operation is as follows. The water that has flowed in from the thruster suction port is accelerated by the rotor 4 and guided to the outlet through the passage between the cylindrical casing 7 and the electric motor 5, and the thrust force F expressed by the equation (1) as a reaction force of the jet flow. Works downward to provide wall pressure.
【００１２】 スラスト力Ｆ＝ρＱＶm 式（１） ただし ρ ：流体の密度 Ｑ ：流量 Ｖm ：出口軸流方向速度 従来の回転翼４の出口における水は、軸流方向と旋回方
向の両成分を持っているが、本発明においては、回転翼
４の出口における水は、円筒ケーシング７と電動機５間
に取付けた旋回除去板（ステーベーン）８により、流体
出口部分では旋回方向成分は零となり、軸流方向速度の
みとなる。Thrust force F = ρQV m Equation (1) where ρ: density of fluid Q: flow rate V m : velocity in the axial direction of the outlet The water at the outlet of the conventional rotary blade 4 has both axial and swirl components. However, in the present invention, the water at the outlet of the rotary wing 4 has a swirling direction component of zero at the fluid outlet by the swirl removing plate (stay vane) 8 attached between the cylindrical casing 7 and the electric motor 5, Only the axial velocity is obtained.
【００１３】[0013]
（第１の実施の形態）本発明の第１の実施の形態を図１
に示す。図１（Ａ）は、清掃機本体１の側面図、図１
（Ｂ）は、図１（Ａ）のＡ−Ａ断面での壁面押圧用スラ
スタの部分断面図、図１（Ｃ）は、図１（Ｂ）のＢ−Ｂ
断面での旋回除去板（ステーベーン）の部分断面図であ
る。(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
Shown in FIG. 1A is a side view of the cleaner body 1, and FIG.
FIG. 1B is a partial cross-sectional view of the thruster for pressing a wall surface taken along the line AA in FIG. 1A, and FIG. 1C is a cross-sectional view along the line BB in FIG.
It is a fragmentary sectional view of a turning removal board (stay vane) in section.
【００１４】本発明の特徴である壁面押圧用スラスタに
つき、図１（Ｂ）を参照して説明する。壁面押圧用スラ
スタ９は、円筒ケーシング７内に電動機５と回転翼４が
直結され、挿入されている。The thruster for pressing a wall surface, which is a feature of the present invention, will be described with reference to FIG. The electric motor 5 and the rotary blade 4 are directly connected and inserted into the cylindrical casing 7 in the thruster 9 for pressing the wall surface.
【００１５】電動機５の外周面と円筒ケーシング７の内
周面との間には、円周上に複数枚の旋回除去板（ステー
ベーン）８を固定している。旋回除去板（ステーベー
ン）８は、設計条件により決められる。Between the outer peripheral surface of the electric motor 5 and the inner peripheral surface of the cylindrical casing 7, a plurality of turning removing plates (stay vanes) 8 are fixed on the circumference. The swirl removing plate (stay vane) 8 is determined by design conditions.
【００１６】水流は、旋回除去板８の入口では入口角α
を持ち、旋回除去板８の下流端近傍では、回転翼４の回
転軸方向に向けられるが（出口角β＝０）、この間の旋
回除去板（ステーベーン）８の形状は、滑らかに連続す
るような曲線で形成される。At the entrance of the swirl-removal plate 8, the water flow has an entrance angle α
In the vicinity of the downstream end of the swirl removing plate 8, the swirl removing plate (stay vane) 8 is directed in the direction of the rotation axis of the rotary blade 4 (exit angle β = 0). It is formed by a simple curve.
【００１７】電動機５によって回転する回転翼４によ
り、円筒ケーシング７の水路壁面側［図１（Ｂ）では下
部］から水が吸い込まれ、円筒ケーシング７の内周面と
電動機５の外周面の隙間を通って、円筒ケーシング７の
反対側［図１（Ｂ）では上方］から噴流となって排出さ
れる。Water is sucked in from the water channel wall side (the lower part in FIG. 1B) of the cylindrical casing 7 by the rotating blades 4 rotated by the electric motor 5, and a gap is formed between the inner peripheral surface of the cylindrical casing 7 and the outer peripheral surface of the electric motor 5. , And is discharged as a jet from the opposite side of the cylindrical casing 7 (upper side in FIG. 1B).
【００１８】この間に吸込まれた水流は、旋回除去板
（ステーベーン）８間を通過する際、回転翼４によって
生じる流れの旋回方向成分を除去され、軸方向成分のみ
となって円筒ケーシング７から噴出される。When the water flow sucked during this time passes between the swirl removing plates (stay vanes) 8, the swirling direction component of the flow generated by the rotating blades 4 is removed, and only the axial component is ejected from the cylindrical casing 7. Is done.
【００１９】[0019]
【発明の効果】本発明は前述のように構成されているの
で、以下に記載するような効果を奏する。 （１）本発明による旋回除去板（ステーベーン）を清掃
機のスラスタ内部に設置することにより、その能力向上
が計られ、その駆動電動機の容量と所要動力の減少を計
ることが出来る。 （２）従って、清掃機のコスト及び運転費の低減および
従来制限されていた条件下においても顕著な効果を発揮
することが出来る。Since the present invention is configured as described above, it has the following effects. (1) By installing the swirl-removing plate (stay vane) according to the present invention inside the thruster of the cleaning machine, its performance is improved, and the capacity of the driving motor and the required power can be reduced. (2) Therefore, it is possible to reduce the cost and operating cost of the cleaning machine, and to exhibit a remarkable effect even under the condition which has been conventionally restricted.
【図１】本発明の第１の実施の形態に係る水路清掃機の
構成を示す図。FIG. 1 is a diagram showing a configuration of a water channel cleaner according to a first embodiment of the present invention.
【図２】従来の水路清掃機の構成を示す図。FIG. 2 is a diagram showing a configuration of a conventional waterway cleaning machine.
１ …清掃機本体 ２ …清掃用電動ブラシ ３ …電動車輪 ４ …回転翼 ５ …電動機 ６ …複合ケーブル ７ …円筒ケーシング ８ …旋回除去板（ステーベーン） ９ …壁面押圧用スラスタ ２１…清掃機本体 ２９…壁面押圧用スラスタ DESCRIPTION OF SYMBOLS 1 ... Cleaning machine main body 2 ... Cleaning electric brush 3 ... Electric wheel 4 ... Rotating blade 5 ... Electric motor 6 ... Composite cable 7 ... Cylindrical casing 8 ... Swirl removing plate (stay vane) 9 ... Wall thruster thruster 21 ... Cleaning machine main body 29 ... Thrusters for pressing walls
Claims (1)
と壁面押圧用スラスタ（９）を有する水路清掃機におい
て、（Ａ）前記壁面押圧用スラスタ（９）は、円筒ケー
シング（７）の中に回転翼（４）を駆動する電動機
（５）と、複数の旋回除去板（８）からなり、（Ｂ）前
記旋回除去板（８）は、電動機（５）の外周面と円筒ケ
ーシング（７）の内周面との間の円周上に固定されると
ともに、旋回除去板（８）の入口では回転軸方向に対し
て入口角（α）を持ち、旋回除去板（８）の出口では回
転翼（４）の出口角（β）を回転軸方向に対して０と
し、旋回除去板（８）の入口と出口の間の旋回除去板
（８）の形状を滑らかに連続するような曲線で形成し、
円筒ケーシング（７）から噴出される水流が、旋回除去
板（８）を通過する際に回転翼（４）によって生じる流
れの旋回方向成分を除去し、軸方向成分のみとすること
を特徴とする水路清掃機。1. An electric cleaning brush (2) and an electric wheel (3).
And (A) the wall pressing thruster (9) includes a motor (5) that drives a rotary blade (4) in a cylindrical casing (7). (B) The swivel removing plate (8) is fixed on the circumference between the outer peripheral surface of the electric motor (5) and the inner peripheral surface of the cylindrical casing (7). At the entrance of the swirl removing plate (8), it has an entrance angle (α) with respect to the direction of the rotation axis, and at the exit of the swirl removing plate (8), the exit angle (β) of the rotor (4) is And the shape of the swirl removing plate (8) between the inlet and the outlet of the swirling removing plate (8) is formed by a curve that smoothly continues.
When the water flow spouted from the cylindrical casing (7) passes through the swirl removing plate (8), the swirling direction component of the flow generated by the rotating blades (4) is removed, and only the axial component is provided. Waterway cleaning machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9203020A JPH1142466A (en) | 1997-07-29 | 1997-07-29 | Water channel cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9203020A JPH1142466A (en) | 1997-07-29 | 1997-07-29 | Water channel cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1142466A true JPH1142466A (en) | 1999-02-16 |
Family
ID=16467026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9203020A Withdrawn JPH1142466A (en) | 1997-07-29 | 1997-07-29 | Water channel cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1142466A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480917A (en) * | 2014-09-22 | 2015-04-01 | 国家电网公司 | Novel blocking cleaner |
| US11150639B2 (en) | 2016-10-11 | 2021-10-19 | International Business Machines Corporation | System, method and computer program product for fault detection and location in power grid |
-
1997
- 1997-07-29 JP JP9203020A patent/JPH1142466A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480917A (en) * | 2014-09-22 | 2015-04-01 | 国家电网公司 | Novel blocking cleaner |
| US11150639B2 (en) | 2016-10-11 | 2021-10-19 | International Business Machines Corporation | System, method and computer program product for fault detection and location in power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20041005 |