EP0524340A1 - Dispositif pour réservoir de débordement d'eau pluviale - Google Patents

Dispositif pour réservoir de débordement d'eau pluviale Download PDF

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Publication number
EP0524340A1
EP0524340A1 EP91112551A EP91112551A EP0524340A1 EP 0524340 A1 EP0524340 A1 EP 0524340A1 EP 91112551 A EP91112551 A EP 91112551A EP 91112551 A EP91112551 A EP 91112551A EP 0524340 A1 EP0524340 A1 EP 0524340A1
Authority
EP
European Patent Office
Prior art keywords
agitator
basin
agitators
rod
overflow basin
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
Application number
EP91112551A
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German (de)
English (en)
Other versions
EP0524340B1 (fr
Inventor
Egon Hans Kiessling
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.)
Klaus Kiessling Metall- und Apparatebau & Co KG GmbH
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Klaus Kiessling Metall- und Apparatebau & Co KG GmbH
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.)
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Publication date
Application filed by Klaus Kiessling Metall- und Apparatebau & Co KG GmbH filed Critical Klaus Kiessling Metall- und Apparatebau & Co KG GmbH
Priority to AT91112551T priority Critical patent/ATE185703T1/de
Priority to DE59109163T priority patent/DE59109163D1/de
Priority to EP91112551A priority patent/EP0524340B1/fr
Publication of EP0524340A1 publication Critical patent/EP0524340A1/fr
Application granted granted Critical
Publication of EP0524340B1 publication Critical patent/EP0524340B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/105—Accessories, e.g. flow regulators or cleaning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/25—Mixers with both stirrer and drive unit submerged in the material being mixed
    • B01F27/251—Vertical beam constructions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B17/00—Methods preventing fouling
    • B08B17/02—Preventing deposition of fouling or of dust

Definitions

  • the invention relates to a device according to the preamble of the main claim.
  • the rainwater retention basins store the water on the order of a few hours, or a few days in the event of prolonged rain. They are not used to clarify the water. A lot of dirt comes with the rainwater, especially if it does not rain for several weeks, a lot of solids settle in the sewer pipes and these are then collected in the rain basin. If they are lighter than water, store them of course they do not wear off. However, other substances sink to the bottom of the pool, such as the mineral portion of earth and sand. Deposits of 20-30 cm in height arise very often. The sinking speeds are in the deci-minute range, for example 20 minutes. If one were to allow the water in the retention basin to self-clean or partially clean due to gravity, then the sedimented components would have to be cleared later. If the sediment is left for some time, it gradually becomes hard and hard. Even if you are able to clear the sediment, the dirt load of the water increases at the end of the time. For everything that follows, however, it would be best if evenly contaminated water were produced.
  • a device according to DE-OS 37 00 055 is known.
  • a jet cleaner is used to clean a rainbow.
  • the aim of such a jet cleaner is, among other things, to prevent the dirt load from settling.
  • a high level of equipment is required for a far-reaching bundled beam.
  • a relatively small amount of water is given a high impulse. If you go from a rainwater retention basin of e.g. 30 m long and 6 m wide, then you need two such jet fans that consume 15 to 18 kW of electricity.
  • the power consumption is only one factor that affects the economy. In the long run, a much more important factor is the basic fee for the provision of energy.
  • agitators as submersible agitators, such as those from the company Flygt manufactures.
  • Such agitators are described in the Flygt submersible agitators brochure, for example, and have the item numbers 4350, 4400, 4440, 4450/4451 and so on. They have a circulation capacity of 0.08 m3 / sec. over 0.15 up to 0.68 m3 / sec.
  • their nominal power is 1 kW, 2 kW, 5 kW, 5.9 kW and 7.4 kW and the propeller speeds in this order are 1,330, 935 and 1,400 as well as 249 to 604 per minute.
  • agitators are used in rainwater retention basins, then three agitators of 2 kW each are required for the above-mentioned basin of 30 mx 6 m.
  • the electricity supply costs are DM 1,560.00 per year (basic price 12 months x DM 130.00 per month) and the electricity consumption under the above conditions is then DM 1,440.00 annually.
  • the total costs per year amount to DM 3,000.00.
  • the object of the invention is to provide a solution for rainwater retention basins in which significantly fewer kilowatts are required. For example, in the above-mentioned pool it should be possible to get by with half the kilowatt output.
  • this object is achieved by the features evident from the characterizing part of the main claim. It is now sufficient to use an agitator with a rated motor output of 2 kW. Of course, one could also use two agitators that are reduced in propeller speed, e.g. with a speed of 935 revolutions per minute and 2 x 0.9 kW nominal motor power.
  • the savings per year in the above exemplary embodiments would then be DM 4,500.00 per year.
  • the structural design is such that the agitator can be rotated through 360 °, then the saving in relation to the size of the basin becomes even greater.
  • the savings are between half and a quarter compared to the agitator solutions that have been considered inexpensive since then.
  • a rain overflow basin has a bottom 11 and side walls 12.
  • the rain overflow basin 13 is filled up to a mirror 14 with water 16, which is circulated in such a way that the dirt load present in it does not sink to the bottom 11.
  • This dirt load consists for the most part of mineral components, such as those originating from earth or rock, but also of organic components, such as leaves of plants, stem parts, paper and so on.
  • An average sink rate is of the order of less than one hour, for example in the range of 20 minutes.
  • An agitator 17 has a propeller 18 which has an outer diameter of, for example, 220 mm and has three agitator blades 19. These are driven by a submersible motor 21, which is an electric motor and which is supplied with current via a cable 20.
  • the submersible motor 21 is held by a support frame 23, the sleeve 24 of which is connected in a rotationally fixed manner to a vertical swivel rod 26.
  • This pivot rod is rigid, both with regard to the reaction force which arises when the propeller 18 is running and which is directed horizontally to the left in FIG. 1, and also with regard to a pivot force to be discussed.
  • the lower end of the pivot rod 26 is seated in a pivot bearing 27 which is fixed to the floor 11. This is the one bearing around which the pivot rod 26 can be pivoted with its geometric longitudinal axis 28.
  • the pivot bearing 27 is at such a distance from the wall 12 that the tips of the leaves 19 never touch the wall 12, ie in the exemplary embodiment a minimum distance of approximately 20 cm.
  • a further pivot bearing 29 is provided vertically above the pivot bearing 27 and is swiveled through by the upper end region of the pivot rod 26.
  • the pivot bearing 29 in turn is fastened to an arm 31 which projects horizontally inwards and which is fastened to the wall 12 with the left end according to FIG. 1 above the mirror 14 in a manner not shown.
  • the arm 31 carries a weatherproof housing 32 which is rigidly attached to it by feet 33.
  • the upper end region of the swivel rod 26 projects into it.
  • a drive 34 is shown, which automatically moves the swivel rod 26 from its left end position to its right end position according to the double arrow 35 in the plan view (not shown here), so that the propeller 18 in FIG. 1 1 away from the drawing plane of FIG.
  • this angle is 2 x 90 °.
  • the swivel angle is 160 ° and this angle is passed through a few times every 10 minutes, for example one to five times, in particular two to four times.
  • the wall 12 is again provided.
  • the floor 34 here falls obliquely inwards.
  • a cantilevered bracket 36 is rigidly attached to the wall 12 and on the upper right upper side of the bracket 36 is a plate 37 which holds the pivot rod 26 and also carries.
  • an axis 38 passes through both the edge region of the plate 37 and that of the console 36, so that the plate 37 can be pivoted about this axis 38 perpendicular to the plane of the drawing in FIG. 3.
  • the plate 37 holds and carries the pivot rod 26 in its lower end region.
  • the agitator 39 used here also has propellers (not shown) which are surrounded by a guide ring 41.
  • the propellers are driven by a submersible motor 41, which is fastened to a sleeve 42 by a support frame 31, in which the lower end region of the swivel rod 26 is fixed in a rotationally rigid manner.
  • a submersible motor 41 which is fastened to a sleeve 42 by a support frame 31, in which the lower end region of the swivel rod 26 is fixed in a rotationally rigid manner.
  • the distance between the swivel rod 26 is so large that the guide ring 41 does not abut the wall 12 at any swivel angle.
  • the rain overflow basin 13 has a length of 40 m and a width of 10 m.
  • two agitators 43, 44 are provided, each of which absorb 2 kW. They can be swiveled to the right and left about the geometrical vertical axes 46, 47 and at an angle of 160 °, so that e.g. for the agitator 43, in one extreme case, a main stirring direction 48 and the other time a main stirring direction 49 are set. In spite of the fact that these directions are not opposed to each other by 180 °, the volume of water lying against the wall 12 also remains whirled up because the flow nevertheless applies to the wall 12.
  • a tandem agitator 51 is pivoted about a common geometric vertical axis 55 on a common pivot rod 26, which is also not shown and which is pivotally mounted on a bridge, not shown.
  • the upper agitator 52 flows upwards and the lower agitator 53 downwards. In practice, of course, they move forward and backward. The swivel angle is not 180 ° here either. However, there is no dead zone between the angles due to the flow behavior. Because the tandem stirrer 51 swings once to the left and once to the right, there is no coffee cup effect. Care must be taken that the agitators 52, 53 are at a sufficient distance from one another, e.g. 2 m, so that one agitator does not take away any incoming liquid from the other. Since the agitators 43, 44 according to FIG. 4 are arranged close to the wall 12, the bracket 31 can be short and the flow can, if necessary, fit better against the wall 12.
  • the basin has a circular wall 54.
  • a known bridge 56 projects radially into the basin and above the mirror. Among other things, it serves to rotatably support the upper end region of a rotating rod 57, so that any many full turns are possible. It also carries a gear, not shown, including a motor, which rotate the rotating rod 57. While the swiveling movements of the agitators since then readily allow the submersible motors to be supplied with electrical energy, because the supply cable allows twisting by 160 °, or by 180 °, even, for example, by 4 ⁇ 360 °, the current must be ensured here via a slip ring arrangement 58 according to FIG. 7.
  • a box 59 which may be designed to be explosion-proof, a grinder 61 and a grinder 62 which is stationary and of which one carries zero potential and the other 220 V.
  • a cable is connected to the grinders 61, 62 with two wires.
  • the conductor tracks 64, 66 therefore always have the associated electrical potential.
  • the rotating rod 57 there is an at least two-core cable 67 which supplies the submersible motor of the agitator 68 with current.
  • the wires of the cable are connected to an electrical connection point 69 and the other time to an electrical connection point 71, so that the agitator 68 can run continuously and covers at least one path 72 of 360 °.
  • a three-core cable and three slip rings are required.
  • the rain overflow basins are oblong, possibly also L-shaped, or have other irregular shapes, because they often have to fit into any gaps in the property or in gaps in the structure.
  • Fig. 8 shows a square basin, then this is only for example.
  • one has four agitators 73, 74, 76, 77, symbolically represented with a three-bladed agitator and the arrows indicate the current, random directions of agitation. Care has been taken here that the circles of action 78, 79, 81, 82 overlap and extend to the corners of the pool. Even very large pools remain whirled up here.
  • Such pools 83 are very often located underground, for example under another building, which in turn must be well founded.
  • the basin 83 can thus be the foundation of another building.
  • vertical support columns 84 are often provided from the bottom of the basin to the closed ceiling of the basin, in extreme cases it may even be the case that a support column 84 is located in a six-meter grid. It is particularly advantageous here to prevent the floating parts from sinking. Even if there are only a few support columns 84, this would make floor cleaning more difficult. Since the invention can avoid dead zones with low energy costs, it is better possible in such cases to build such large pool geometries and to clean them technically and economically optimally.
  • FIGS. 9 and 10 show how swivel angles close to 180 ° can be achieved without having to switch over with electrical contacts.
  • An electric motor 68 is provided fixed at a suitable point 87 and has a reduction gear 88. This has a constantly rotating output shaft 89.
  • a crank 91 is seated on this, which has in its end region a pin 92 projecting from the reduction gear 88. With this pin 92 a coupling 93 is rotatably connected, which can be subjected to tension and pressure. It is subdivided and has two screw threads 94, 96 in its central region, which have threaded holes.
  • a screw shaft 97 is screwed into this with its end regions and has a thread of opposite pitch on its two halves.
  • the screw threads 94, 96 move from one another away or towards each other, so that the coupling 93 becomes shorter or longer.
  • the right end region of the coupling 93 according to FIG. 9 is traversed by a pin 98 of a crank 99 which is connected to the pivot rod 26 in a rotationally rigid manner.
  • the pin 98 never reaches the three o'clock position and never the nine o'clock position relative to the pivot rod 26. Rather, the pivoting movement stops in front of this position, so that one never gets to a point that would be a dead center with regard to the pin 92 and also the coupling 93.
  • the two other end positions of the pins 92 and 98 are indicated by dashed reference numerals. This gives a swivel angle of, for example, 160 °.
  • stirring can also be carried out asymmetrically, contrary to the representation of FIG. 4.
  • the main stirring direction 48 may be closer to the wall and the main stirring direction 49 further from the wall 12.
  • the agitators are preferably arranged close to the floor because the solids are most likely to precipitate on the floor.
  • the swivel device always runs even when the agitator is running. However, this does not mean that both the swivel device and the agitator run for many days. Rather you can - e.g. float-controlled - both only switch on for a certain time, e.g. then when the rain overflow basin is slowly becoming full, when the rain overflow basin reaches a certain low level or when there is only very slowly sinking material due to the location.
  • the technique described above can also be used in pools with similar tasks, such as rain retention pools, collecting pools, continuous pools and also e.g. be used in sludge tanks on sewage plants.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Vehicle Body Suspensions (AREA)
  • Flow Control (AREA)
EP91112551A 1991-07-26 1991-07-26 Dispositif pour réservoir de débordement d'eau pluviale Expired - Lifetime EP0524340B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT91112551T ATE185703T1 (de) 1991-07-26 1991-07-26 Vorrichtung für regenüberlaufbecken
DE59109163T DE59109163D1 (de) 1991-07-26 1991-07-26 Vorrichtung für Regenüberlaufbecken
EP91112551A EP0524340B1 (fr) 1991-07-26 1991-07-26 Dispositif pour réservoir de débordement d'eau pluviale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91112551A EP0524340B1 (fr) 1991-07-26 1991-07-26 Dispositif pour réservoir de débordement d'eau pluviale

Publications (2)

Publication Number Publication Date
EP0524340A1 true EP0524340A1 (fr) 1993-01-27
EP0524340B1 EP0524340B1 (fr) 1999-10-20

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ID=8206985

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EP91112551A Expired - Lifetime EP0524340B1 (fr) 1991-07-26 1991-07-26 Dispositif pour réservoir de débordement d'eau pluviale

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EP (1) EP0524340B1 (fr)
AT (1) ATE185703T1 (fr)
DE (1) DE59109163D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325161A1 (de) * 1993-07-27 1995-02-02 Biwater Ibo Gmbh Mit einem Rührwerk versehener Behälter für feststoffhaltige Flüssigkeiten
EP0839963A2 (fr) * 1996-10-31 1998-05-06 ABS Pump Center GmbH Dispositif d'auto-nettoyage d'installations de portes d'écluse

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102381356B1 (ko) * 2021-04-13 2022-03-30 조동국 회전왕복형 수중교반장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3022390A1 (de) * 1980-06-14 1981-12-24 Menzel Gmbh & Co, 7000 Stuttgart Regenbecken zur speicherung von regen- oder mischwasser
DE8605277U1 (de) * 1985-03-04 1986-06-19 Flygt AB, Solna Rührgerät für Flüssigkeitsbehälter
DE3624358A1 (de) * 1986-07-18 1988-01-28 Ritz Pumpenfabrik Gmbh & Co Kg Einrichtung zum durchwirbeln von schmutzwasser
DE3700055A1 (de) * 1987-01-02 1988-07-14 Vollmar Oskar Gmbh Verfahren und einrichtung zur strahlreinigung eines regenbeckens
EP0367664A1 (fr) * 1988-10-31 1990-05-09 Pompes Guinard S.A. Procédé automatisé de mélange d'un milieu liquide et mélangeur submersible automatisé apte à mettre en oeuvre ce procédé

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3022390A1 (de) * 1980-06-14 1981-12-24 Menzel Gmbh & Co, 7000 Stuttgart Regenbecken zur speicherung von regen- oder mischwasser
DE8605277U1 (de) * 1985-03-04 1986-06-19 Flygt AB, Solna Rührgerät für Flüssigkeitsbehälter
DE3624358A1 (de) * 1986-07-18 1988-01-28 Ritz Pumpenfabrik Gmbh & Co Kg Einrichtung zum durchwirbeln von schmutzwasser
DE3700055A1 (de) * 1987-01-02 1988-07-14 Vollmar Oskar Gmbh Verfahren und einrichtung zur strahlreinigung eines regenbeckens
EP0367664A1 (fr) * 1988-10-31 1990-05-09 Pompes Guinard S.A. Procédé automatisé de mélange d'un milieu liquide et mélangeur submersible automatisé apte à mettre en oeuvre ce procédé

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325161A1 (de) * 1993-07-27 1995-02-02 Biwater Ibo Gmbh Mit einem Rührwerk versehener Behälter für feststoffhaltige Flüssigkeiten
EP0839963A2 (fr) * 1996-10-31 1998-05-06 ABS Pump Center GmbH Dispositif d'auto-nettoyage d'installations de portes d'écluse
EP0839963A3 (fr) * 1996-10-31 1998-09-30 ABS Pump Center GmbH Dispositif d'auto-nettoyage d'installations de portes d'écluse

Also Published As

Publication number Publication date
ATE185703T1 (de) 1999-11-15
EP0524340B1 (fr) 1999-10-20
DE59109163D1 (de) 1999-11-25

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