JPH0871533A - Pump equipment for removing sand based on difference in water level between divided water tanks - Google Patents

Pump equipment for removing sand based on difference in water level between divided water tanks

Info

Publication number
JPH0871533A
JPH0871533A JP25116194A JP25116194A JPH0871533A JP H0871533 A JPH0871533 A JP H0871533A JP 25116194 A JP25116194 A JP 25116194A JP 25116194 A JP25116194 A JP 25116194A JP H0871533 A JPH0871533 A JP H0871533A
Authority
JP
Japan
Prior art keywords
water
water tank
pump
partition wall
tanks
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
Application number
JP25116194A
Other languages
Japanese (ja)
Inventor
Torao Inoue
虎男 井上
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP25116194A priority Critical patent/JPH0871533A/en
Publication of JPH0871533A publication Critical patent/JPH0871533A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To certainly prevent the accumulation of sandy soil in a water tank by generating a difference in a water level between water tanks partitioned by a partition wall by operating a pump and sucking, circulating or stirring the water in the water tank on the side of the pump by jet water ejected from a through-hole nozzle. CONSTITUTION: A partition wall 3 is provided in a water tank 2 for a solid-liquid mixed liquid of every kind at a position lower than an inflow port 4 to divide the water tank 2 into water tanks A, B and pumps 5,5' are arranged in the water tank B and the inflow water from the inflow port 4 is introduced into the water tank A on the side opposite to the pumps. Nozzles 7... are provided to the bottom part of the partition wall 3 so as to pierce the same and the bottom surface of the water tank A is formed into a shape allowing a solid to easily flow out of the water tank A and the bottom surface of the water tank B is formed into a shape allowing the water in the water tank B to easily flow by the jet water from the nozzles 7. When the pumps 5, 5' are operated, the water level in the water tank B lowers to generate a difference in water level between the water tanks A, B and the water in the water tank A is ejected into the water tank B from the nozzles 7 to fluidize and stirr sedimented sand.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は各種の固液混合液、汚
水、泥水、雨水、雑排水等の水槽、及び下水道に於ける
中継ポンプ設備等のように各種固形物を混入するポンプ
設備に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to various solid-liquid mixed liquids, tanks for sewage, muddy water, rainwater, sewage, etc., and pump equipment for mixing various solid matters such as relay pump equipment in sewers. It is a thing.

【0002】[0002]

【従来の技術】砂等の固形物が混入する排水ピット等の
ポンプ水槽設備では、混入固形物が徐々に沈澱堆積して
ポンプの吸引作用を困難にし、やがて吸込口の閉塞等の
支障を生じる、従来は攪拌羽根付きのポンプを使用した
り、圧力水で噴射攪拌したり、水槽に流入する流入水勢
を利用して攪拌したり、或いは定期的に水槽の除泥作業
を行ったりしている。
2. Description of the Related Art In pump water tank equipment such as a drainage pit where solid matters such as sand are mixed, the solid matters gradually precipitate and accumulate, making it difficult for the pump to suck, and eventually obstructing the suction port. , Conventionally, pumps with stirring blades are used, jet stirring is performed with pressurized water, stirring is performed using the inflowing water force flowing into the water tank, or mud removal work of the water tank is regularly performed. .

【0003】[0003]

【発明が解決しようとする課題】例えば水中ポンプの駆
動軸を吸込口下方にまで突出させ、これに攪拌羽根を設
けた攪拌羽根付きポンプでは、布切れ、ビニールが混入
すれば巻き付きを生じ運転に支障し、又その構造から攪
拌羽根への固形物の衝突と摩耗の為に振動を生じやす
く、概してポンプ寿命が短い欠点がある。圧力水を噴射
し攪拌する方法ではすべてに対応しやすいけれども、使
用する圧力水源と運転コストが問題になる。又、流入水
勢を利用して攪拌する方法では、常時ある程度の流入水
がある場合には非常に有効であるが、流入水量が少ない
時期には充分な攪拌力を得難くなり、固形物の堆積を防
止でき難くなる等の問題点がある。
DISCLOSURE OF THE INVENTION For example, in a pump with a stirring blade in which a drive shaft of a submersible pump is projected to the lower side of a suction port, and a stirring blade is provided on the suction shaft, a cloth break or wrapping occurs when vinyl is mixed in the operation. There is a drawback that the pump is liable to cause vibrations due to the collision and wear of the solid matter on the stirring blade due to its structure, and the pump life is generally short. Although the method of injecting and stirring the pressure water is easy to handle all, the pressure water source to be used and the operating cost are problems. In addition, the method of stirring by using the inflow water force is very effective when there is always a certain amount of inflow water, but it becomes difficult to obtain sufficient agitation power when the inflow water amount is small, and the accumulation of solid matter There is a problem that it becomes difficult to prevent

【0004】[0004]

【課題を解決するための手段】本発明ではこれらの問題
を解決するために、ポンプを設置する水槽を分割するよ
うに仕切壁を設け、この仕切壁の底部に1個〜複数個の
貫通孔ノズルを設ける。また、貫通孔ノズルからの噴流
水を有効に活用するために、ポンプを設置する方の水槽
底部周辺角部を水流が滑らかに流動するように、傾斜
面、或いは円弧で滑らかに形成する。
In order to solve these problems, in the present invention, a partition wall is provided so as to divide a water tank in which a pump is installed, and one or a plurality of through holes are provided at the bottom of the partition wall. Provide a nozzle. Further, in order to effectively use the jet water from the through-hole nozzle, the corners around the bottom of the water tank on which the pump is installed are smoothly formed with an inclined surface or an arc so that the water flows smoothly.

【0005】水槽への流入口は、分割した水槽のいずれ
にも設けられるのであるが、流下樋や、飛散防止壁を用
いてポンプを設置した水槽側の仕切壁寄り、貫通ノズル
近傍に落下流入させポンプ側水槽水の回流攪拌を助長す
る。
The inflow port to the water tank is provided in each of the divided water tanks, but it falls into the vicinity of the penetrating nozzle, near the partition wall on the side of the water tank where the pump is installed using the downflow gutter and the shatterproof wall. Then, the stirring of the water in the water tank on the pump side is promoted.

【0006】また、仕切られた水槽の双方にポンプを設
置し、該ポンプを交互に運転する。
Further, pumps are installed in both of the partitioned water tanks, and the pumps are operated alternately.

【0007】[0007]

【作用】前記するように構成したポンプの水槽設備に於
いて、仕切られた水槽に設置されたポンプを稼動させれ
ば、稼動ポンプ側の水槽の水位は低下し反稼動ポンプ側
水槽との間に水位差を生じるようになり、この水位差に
応じた水量が仕切壁底部に設けた貫通孔ノズルから稼動
ポンプ側水槽に噴入し、噴流周辺の水をも誘引流動させ
て沈澱していた砂等の固形物を流動攪拌し、浮上させて
ポンプに吸引されやすくして次第にポンプ側水槽全体を
回流させるようになり、水槽表面の浮遊物も巻き込みポ
ンプに吸引され排除する。
In the pump water tank facility configured as described above, when the pump installed in the partitioned water tank is operated, the water level in the water tank on the operating pump side decreases The water level difference began to occur, and the amount of water corresponding to this water level difference was injected from the through-hole nozzle provided at the bottom of the partition wall into the water tank on the operating pump side, and the water around the jet flow was also attracted and precipitated. Solid matter such as sand is fluidized and agitated to float so that it can be easily sucked by the pump so that the whole water tank on the pump side is gradually circulated. Floating matters on the surface of the water tank are also sucked by the pump and eliminated.

【0008】ポンプ側水槽の攪拌流動の方向は該水槽の
形状と貫通孔ノズルの位置と方向によって、上下方向、
或いは水平方向に旋回するように、また噴流同志、或い
は噴流を壁面に衝突させて攪乱流とする事もできるが、
一般的排水ピット等の水槽設備に於いては上下方向の滑
らかな回流が効果的である。貫通孔ノズルからの噴流水
の強さについては、ポンプ側水槽の容積を小さく、反ポ
ンプ側水槽容積を大きく取る事と、両水槽の水位差が大
きくなる程、即ち、貫通孔ノズルの口径を小さくするほ
ど強力な噴流となるけれども、貫通孔ノズルを通過する
粒子径等の現場条件を配慮して選定するものである。
The direction of agitation and flow in the water tank on the pump side depends on the shape of the water tank and the position and direction of the through-hole nozzle.
Alternatively, the jets may be swirled horizontally, or jets may collide with each other, or the jets may collide with the wall surface to create a turbulent flow.
In water tank equipment such as general drainage pits, smooth circulation in the vertical direction is effective. Regarding the strength of the jet water from the through-hole nozzle, the volume of the water tank on the pump side should be small, and the volume of the water tank on the anti-pump side should be large. The smaller the size, the stronger the jet flow, but the selection is made in consideration of the site conditions such as the particle size passing through the through-hole nozzle.

【0009】また、水槽設備への流入水をポンプ側水槽
に流入させれば、貫通孔ノズルの噴流水量が流入水量と
同量減り噴流水が弱まり、反ポンプ側水槽に流入するよ
うにすれば貫通孔ノズルからの噴流水が強まる。
Further, if the inflow water to the water tank facility is made to flow into the pump side water tank, the amount of jet water of the through-hole nozzle is reduced by the same amount as the amount of inflow water and the jet water is weakened so that it flows into the water tank on the opposite pump side. The jet water from the through-hole nozzle strengthens.

【0010】[0010]

【実施例1】以下本発明を実施例図を参照して説明す
る。図1、図2、図3に示す第1実施例に於いてマンホ
ール1内の水槽2を分割するように仕切壁3を流入口4
より低い位置まで設け、ポンプ5、5’を水槽Bに設置
し、反ポンプ側水槽Aにスクリーン6を介して流入水が
投入されるようにする。仕切壁3の底部には該仕切壁3
を貫通する3個の貫通ノズル7を設け、反ポンプ側水槽
Aの底面は混入する固形物が貫通ノズル7から流出しや
すいように下り勾配に形成し、ポンプ側水槽Bの底面周
辺角部は傾斜面となし、更に底面と滑らかにつながるよ
うに丸みを付ける等して、貫通孔ノズル7からの噴流水
で槽内水が流動しやすいように形成する。設置したポン
プ5、5’は上位のフロートスイッチaて起動し、下位
のフロートスイッチbで停止する自動運転を行い、ポン
プ5’は予備ポンプでありポンプ5、5’の揚水は槽外
に排出されるものである。
First Embodiment The present invention will be described below with reference to the drawings. In the first embodiment shown in FIGS. 1, 2 and 3, the partition wall 3 is provided with an inlet 4 so as to divide the water tank 2 in the manhole 1.
The pumps 5 and 5 ′ are installed at a lower position, and the pumps 5 and 5 ′ are installed in the water tank B so that the inflow water is introduced into the water tank A on the side opposite to the pump via the screen 6. At the bottom of the partition wall 3, the partition wall 3
3 through-nozzles 7 penetrating through are provided, the bottom surface of the water tank A on the anti-pump side is formed in a downward slope so that the mixed solids can easily flow out from the through-hole nozzle 7, and the corners around the bottom surface of the water tank B on the pump side are It is formed as an inclined surface, and is further rounded so as to be smoothly connected to the bottom surface so that the water in the tank can easily flow by the jet water from the through-hole nozzle 7. The installed pumps 5 and 5'are activated by the upper float switch a and stopped by the lower float switch b to perform automatic operation. The pump 5'is a preliminary pump and the pumped water of the pumps 5 and 5'is discharged to the outside of the tank. It is what is done.

【0011】[0011]

【実施例2】次に図4、図5、図6に示す第2実施例で
は、矩形の水槽12内を分割するように仕切壁13を設
け、4個の貫通孔ノズル17を備える。水槽への流入口
14はポンプ側水槽B1に流入するように、しかも流入
水勢を槽内水の攪拌回流に有効に利用するために樋34
及び飛散防止壁35を設けてポンプ側水槽B1内水の回
流攪拌を助長する位置に落下流入するようにした実施例
である。
Second Embodiment Next, in a second embodiment shown in FIGS. 4, 5 and 6, a partition wall 13 is provided so as to divide the inside of the rectangular water tank 12, and four through-hole nozzles 17 are provided. The inflow port 14 to the water tank flows into the pump-side water tank B1 and the gutter 34 is used to effectively use the inflow water force for stirring and circulating the water in the tank.
In this embodiment, the shatterproof wall 35 is provided to allow the water in the pump side water tank B1 to fall and flow into a position that promotes the agitation of circulating water.

【0012】[0012]

【実施例3】図7、図8、図9、に示す第3実施例で
は、分割された両水槽にそれぞれ立形ポンプ25、2
5’を設置し、水槽への流入水は両水槽に等分に流入す
るように流入口24を設けたものである。貫通孔ノズル
27はベンド管様の物を下向きに仕切壁23底部に貫通
埋設し、両水槽A2、B2共に底面周辺の角部は傾斜
面、丸味付けを行い貫通孔ノズル27からの噴流水で流
動回流しやすいように形成した実施例である。
[Third Embodiment] In the third embodiment shown in FIGS. 7, 8 and 9, vertical pumps 25 and 2 are respectively provided in the divided water tanks.
5'is installed, and an inflow port 24 is provided so that inflow water into the water tanks equally flows into both water tanks. The through-hole nozzle 27 has a bend pipe-like object which is embedded downward in the bottom of the partition wall 23. Both water tanks A2 and B2 are inclined and rounded at the corners around the bottom surface thereof. It is an example formed so as to easily flow and flow.

【0013】[0013]

【発明の効果】以上述べてきたように本発明では、片方
の水槽に設置したポンプを稼動させる事で水槽間に水位
差fを生じ、貫通孔ノズルから生じる噴流は、例えば、
水位差10cmでは、噴流初速度1.3m/s、水位差
30cmでは噴流初速度2.26m/s程度であり、こ
の噴流を有効に活用する事で攪拌、回流を必要とする水
槽設備に於いて、まったく動力源を使用する事なしにポ
ンプ水槽設備底面に沈澱堆積する固形物を回流攪拌して
浮遊させ、しかもポンプが揚水を始めてすぐの高水位貯
留時から、ポンプが停止する低水位まで同じ程度の噴流
を持続して回流攪拌させる事は、流入する固形物ばかり
ではなく、ポンプ休止中に水槽底面に沈澱堆積する砂等
の固形物も徐々に流動浮遊させて排除出来る。
As described above, in the present invention, by operating the pump installed in one of the water tanks, the water level difference f is generated between the water tanks, and the jet flow generated from the through-hole nozzle is, for example,
At a water level difference of 10 cm, the initial jet velocity is 1.3 m / s, and at a water level difference of 30 cm, the initial jet velocity is about 2.26 m / s. By effectively utilizing this jet flow, water tank equipment that requires stirring and circulation is required. In addition, the solid matter that settles and accumulates on the bottom of the pump water tank facility is circulated and agitated without using a power source at all, and is suspended from a high water level immediately after the pump starts pumping until a low water level at which the pump stops. By continuously agitating the jet flow of the same degree, not only the inflowing solid matter but also the solid matter such as sand deposited and accumulated on the bottom surface of the water tank while the pump is stopped can be gradually fluidized and removed.

【0014】また、上下方向の回流攪拌とする事に依っ
て、水槽表面に浮遊する浮遊物をも回流水に巻き込み排
出させるため、下水道設備等では悪臭の発生を防止する
効果もある。
In addition, since the suspended matter floating on the surface of the water tank is also entrained in the circulating water and discharged by performing the circulation stirring in the vertical direction, it is also effective in preventing the generation of foul odors in sewer facilities.

【0015】特に、図1に示す第1実施例では水槽への
流入口を反ポンプ側水槽に設けた為に、流入水量の増加
に応じて貫通孔ノズルからの噴流速度も増加し、より強
力な回流攪拌が行える。
In particular, in the first embodiment shown in FIG. 1, since the inflow port to the water tank is provided in the water tank on the side opposite to the pump, the jet velocity from the through-hole nozzle also increases in accordance with the increase in the inflow water amount, and the more powerful It can perform agitation in various circulations.

【0016】図4に示す第2実施例では水槽への流入口
をポンプ側水槽に設けた為に、流入水に混入した沈澱し
やすい固形物はすぐにポンプ側水槽に沈澱し、ポンプ側
水槽の水位上昇につれて、反ポンプ側水槽には比較的に
きれいな水が貫通孔ノズルから逆流して滞留する。
In the second embodiment shown in FIG. 4, since the water inlet of the water tank is provided in the pump side water tank, the solid matter that easily mixes in the inflow water immediately settles in the pump side water tank, and the pump side water tank. As the water level rises, relatively clean water flows backward from the through-hole nozzle and stays in the water tank on the side opposite the pump.

【0017】また、樋、及び飛散防止壁に案内された流
入水は、ポンプ側水槽の回流攪拌を助長して、水槽への
流入水量の増加につれて減少する貫通孔ノズルからの噴
流水の減少を補足する。流入水量の少ない時期のポンプ
稼動時には反ポンプ側水槽の滞留水でポンプ側水槽の攪
拌回流を行う。
Further, the inflow water guided by the gutter and the scattering prevention wall promotes the circulation agitation of the water tank on the pump side, and the reduction of the jet water from the through-hole nozzle which decreases as the amount of inflow water into the water tank increases. Complement. When the pump is in operation when the amount of inflowing water is small, the agitating circulation of the water tank on the pump side is performed by the accumulated water in the water tank on the opposite pump side.

【0018】図7に示す第3実施例では両水槽に設置さ
れた、いずれか片方のポンプを稼動させれば稼動ポンプ
側の水槽は回流攪拌され、比較的小さな水槽に実施でき
る事と、ポンプを交互運転する事によって両水槽共に沈
澱物の排除が出来る。
In the third embodiment shown in FIG. 7, if one of the pumps installed in both water tanks is operated, the water tank on the operating pump side is circulated and agitated so that it can be implemented in a relatively small water tank. By alternately operating, the sediment can be removed from both water tanks.

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

【図1】第1実施例の縦断面図である。FIG. 1 is a vertical sectional view of a first embodiment.

【図2】第1実施例の内部平面図である。FIG. 2 is an internal plan view of the first embodiment.

【図3】第1実施例の側断面図である。FIG. 3 is a side sectional view of the first embodiment.

【図4】第2実施例の縦断面図である。FIG. 4 is a vertical sectional view of a second embodiment.

【図5】第2実施例の内部平面図である。FIG. 5 is an internal plan view of the second embodiment.

【図6】第2実施例の側断面図である。FIG. 6 is a side sectional view of a second embodiment.

【図7】第3実施例の縦断面図である。FIG. 7 is a vertical sectional view of a third embodiment.

【図8】第3実施例の内部平面図FIG. 8 is an internal plan view of the third embodiment.

【図9】第3実施例の側断面図である。FIG. 9 is a side sectional view of the third embodiment.

【符号の説明】[Explanation of symbols]

2、12、13 水槽 3、13、23 仕切壁 4、14、24 流入口 5、5’ 水中ポンプ 15、15’、25、25’ 縦軸型ポンプ 6、16、26 送水管 7、17、27 貫通孔ノズル 33 ポンプ取付ガイド 36 ポンプ用モーター a,b,c 起動、停止、警報のフロートスイッチであ
る。
2, 12, 13 Water tank 3, 13, 23 Partition wall 4, 14, 24 Inlet port 5, 5'Submersible pump 15, 15 ', 25, 25' Vertical axis type pump 6, 16, 26 Water pipe 7, 17, 27 Through-hole nozzle 33 Pump mounting guide 36 Pump motor a, b, c A float switch for starting, stopping, and alarming.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 ポンプを設置した水槽を分割するように
仕切壁を設け、該仕切壁の底部に貫通孔ノズルを開設し
て、ポンプを稼動させた時、仕切られた水槽間に水位差
を生じ貫通孔ノズルから噴出する噴流水で稼動ポンプ側
の水槽水を誘引回流、或いは攪拌するようにしたポンプ
の水槽設備。
1. A partition wall is provided so as to divide a water tank in which a pump is installed, and a through-hole nozzle is opened at the bottom of the partition wall so that when the pump is operated, the water level difference between the partitioned water tanks is increased. A water tank facility for a pump that induces and circulates or agitates the water tank water on the operating pump side with the jet water that is ejected from the generated through-hole nozzle.
【請求項2】 ポンプを設置する側の水槽底部角部を傾
斜面、或いは円弧状となし、貫通孔ノズルからの噴流水
が滑らかに流動するようにした、請求項1記載のポンプ
の水槽設備
2. The water tank equipment of the pump according to claim 1, wherein the water tank bottom corner on the side where the pump is installed is formed into an inclined surface or an arc shape so that the jet water from the through-hole nozzle can flow smoothly.
JP25116194A 1994-09-07 1994-09-07 Pump equipment for removing sand based on difference in water level between divided water tanks Pending JPH0871533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25116194A JPH0871533A (en) 1994-09-07 1994-09-07 Pump equipment for removing sand based on difference in water level between divided water tanks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25116194A JPH0871533A (en) 1994-09-07 1994-09-07 Pump equipment for removing sand based on difference in water level between divided water tanks

Publications (1)

Publication Number Publication Date
JPH0871533A true JPH0871533A (en) 1996-03-19

Family

ID=17218589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25116194A Pending JPH0871533A (en) 1994-09-07 1994-09-07 Pump equipment for removing sand based on difference in water level between divided water tanks

Country Status (1)

Country Link
JP (1) JPH0871533A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005023630A (en) * 2003-07-01 2005-01-27 Kubota Corp Structure of suction water tank
JP2005221168A (en) * 2004-02-06 2005-08-18 Matsushita Electric Ind Co Ltd Water storage apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005023630A (en) * 2003-07-01 2005-01-27 Kubota Corp Structure of suction water tank
JP2005221168A (en) * 2004-02-06 2005-08-18 Matsushita Electric Ind Co Ltd Water storage apparatus
JP4529461B2 (en) * 2004-02-06 2010-08-25 パナソニック株式会社 Water storage device

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