WO1998000610A1 - Appareillage pour l'accumulation et/ou le traitement et l'acheminement ulterieur de liquides, de systemes multiphases ou de liquides contenant des substances en morceaux, principalement d'eaux usees - Google Patents

Appareillage pour l'accumulation et/ou le traitement et l'acheminement ulterieur de liquides, de systemes multiphases ou de liquides contenant des substances en morceaux, principalement d'eaux usees Download PDF

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Publication number
WO1998000610A1
WO1998000610A1 PCT/HU1997/000033 HU9700033W WO9800610A1 WO 1998000610 A1 WO1998000610 A1 WO 1998000610A1 HU 9700033 W HU9700033 W HU 9700033W WO 9800610 A1 WO9800610 A1 WO 9800610A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
shaft
electric motor
waste water
container
Prior art date
Application number
PCT/HU1997/000033
Other languages
German (de)
English (en)
Inventor
Zoltán DÁNYI
László SIPOS
István DÁNYI
Original Assignee
Danyi Zoltan
Sipos Laszlo
Danyi Istvan
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
Priority claimed from HU9601793A external-priority patent/HU219780B/hu
Priority claimed from HU9700506A external-priority patent/HU9700506D0/hu
Application filed by Danyi Zoltan, Sipos Laszlo, Danyi Istvan filed Critical Danyi Zoltan
Priority to SK1802-98A priority Critical patent/SK284737B6/sk
Priority to EP97930686A priority patent/EP0907806B1/fr
Priority to AT97930686T priority patent/ATE207169T1/de
Priority to DE59704985T priority patent/DE59704985D1/de
Publication of WO1998000610A1 publication Critical patent/WO1998000610A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/26—Installations for stirring-up sewage

Definitions

  • the invention relates to a device, primarily for discharging waste water, which has a pump which is arranged in a common housing and separated from one another in a sealed manner and contains an electric motor and a hydraulic unit fastened to the shaft of the electric motor, a device for collecting and / or treatment of liquids, multi-phase systems or liquids containing stucco substances, primarily waste water, which has an inlet and an outlet, furthermore a pump arranged in the liquid chamber and a container provided with turbulence-generating elements, the pressure port of the pump having the outlet Opening of the container is connected, and finally a device for discharging multiphase media, primarily wastewater, which device for collecting and discharging multiphase media, primarily wastewater, via a with a wastewater discharge and a wastewater discharge pipe provided container and has a pump machine unit in the container, the pump machine unit being arranged in a common housing and sealed off from one another and containing an electric motor and a hydraulic unit fastened to its shaft
  • the liquid accumulating in sewage shafts or Ube units is a multi-phase system; it contains parts made of solids (paper, razor blades, scraps), dirty water and fats that accumulate on the surface of the liquid.
  • the solid parts and the sludge settle on the bottom of the shaft, while the lighter components, including the grease and oil-rich substances, float up and solidify or are deposited on the wall of the shaft.
  • the machine units used to discharge wastewater are generally liquid pumps, slurry pumps or grinding pumps, which consist of an electric motor and a unit designed as a pump, which are arranged in a common housing and are separated from one another in a sealed manner.
  • the machine units or pumps currently used can solidify and settle Do not remove the grease layer or only remove it to a small extent, and the solid parts that collect at the bottom of the shaft are deposited in dead spaces. To eliminate this, it was proposed to separate the components of the waste water in the shaft by means of a continuous swirling movement of the incoming waste water.
  • the aim of the present invention was to develop a solution which guarantees all the advantages of the solutions listed, but moreover enables safe, simple and cheap comminution of the medium to be conveyed, practically without the use of additional energy.
  • Another objective was to develop a solution that would allow such devices to be operated free of deposits, self-cleaning, not requiring human intervention and operating reliably and cost-effectively. This required the creation of a pump machine unit, which, in objects used for collecting and forwarding multi-phase media, prevented the separation of the phases and the settling of the heavier phases as well as the solidification and the deposition of the lighter grease and oil-like phases.
  • the stated object was achieved with a device which has a pump machine unit, which is arranged in a common housing and separated from one another in a sealed manner and has an electric motor and a hydraulic unit fastened to the shaft of the electric motor, a further hydraulic unit being provided according to the invention.
  • the hydraulic units can be pumps and / or stirrers, which are arranged on one or the other end or on both sides of the motor.
  • the stirrer can be delimited as simple by flat and / or curved surfaces
  • Disc is formed on which flow-waking elements and / or crushing elements, for example ribs, projections, grooves, wings, depressions, etc., can be located.
  • flow-waking elements and / or crushing elements for example ribs, projections, grooves, wings, depressions, etc.
  • the device which is used to collect and discharge multiphase media, primarily waste water, has a container with an inflow and discharge opening as well as a pump arranged in the liquid frame of the container and turbulence-generating elements, the pressure port of the pump with the discharge opening of the container connected is.
  • the turbulence-generating element is a mechanical stirrer and tear and comminution elements designed as roughened surfaces are present in the liquid space.
  • the device according to the invention which is used to discharge multiphase media, primarily waste water, has a container provided with a waste water supply pipe and a waste water discharge pipe. where one with a pump equipped machine unit.
  • the machine unit containing a pump has an electric motor which is arranged in a common housing and is sealed off from the pump and a hydraulic unit which is fastened to the shaft of the electric motor, and the shaft of the electric motor is arranged horizontally or forms an acute angle with the horizontal.
  • the invention is based on the knowledge that the extension of the shaft of the electric motor in both directions results in the possibility of creating a combined machine unit which enables optimal use adapted to the different individual tasks.
  • one of the different hydraulic units can be attached to either side of the motor or, if applicable, only one side of the motor, and - depending on the factors mentioned - can also be installed the machine unit can be used in a vertical or horizontal position.
  • the solution according to the invention simultaneously ensures the suctioning off of the multi-phase media at the optimum location, the mixing at the desired location and, if appropriate, a part of the cleaning in that the lumpy materials and the sludge are stirred simultaneously with the function of the pump or at regular intervals are stirred up and loosened or, where appropriate, the extracted wastewater is mixed with a significant amount of air.
  • the device requires practically no maintenance, it is reliable, effective and cost-saving.
  • the invention makes it possible to produce a machine range from modular elements, which can be operated under extremely variable conditions depending on the requirements of the user.
  • the container according to the invention is provided with an inlet and a discharge opening, a pump arranged in the liquid space and a turbulence-generating element, the pressure connection of the pump being connected to the discharge opening, the turbulence-generating element being formed by a mechanical stirrer, which may be with the Motor of the pump is connected and arranged at the opposite end of the pump on the pressure side, and further tear and crushing elements are present in the liquid space outside the pump.
  • the stirrer can be designed as a stirrer disk attached to the end of the motor located opposite the turbine wing.
  • the pump is arranged on the bottom of the container in a plane deviating from the horizontal, so that its axis rises in the direction of the suction nozzle.
  • the pump can be fastened on the bottom surface of the container which deviates from the horizontal or on an insert located at the bottom of the container.
  • the tearing and shredding elements are expediently roughened surfaces. These can be designed like a file, provided with hooks or saw teeth or designed as perforated surfaces, the perforation ridge of which faces the liquid space and can be pointed or sharp-edged.
  • the roughened surfaces are located on the wall delimiting the liquid space. According to another expedient
  • the roughened surfaces are attached to elements located in the liquid space, or they form the surfaces of elements arranged in the liquid space
  • part of the surface of the pump can also have a roughened surface
  • FIG. 1 shows a possible embodiment of the device according to the invention, partly in section, in
  • FIG. 2 shows a possible variant of the operation of the device shown in FIG. 1 in an overpressure shaft
  • FIG. 3 illustrates another possible variant of the operation of the device shown in FIG. 1.
  • 4 shows the horizontally arranged embodiment of the device shown in FIG. 1
  • FIG. 5 shows the arrangement of the device or pump according to FIG. 4 in an overpressure shaft
  • FIG. 6 illustrates another embodiment of the pump, partly in section
  • FIG. 7 shows a further embodiment, partly in section
  • FIG. 8 shows an expedient embodiment of the solution according to the invention, partly shown in section
  • FIG. 9 shows the insert used in the embodiment according to FIG. 1 in perspective view
  • Fig. 1 1 represents another embodiment of the roughened surface
  • 12a is an illustration of another possible embodiment of the roughened surface in section, while F Fi «gg.
  • I 122bb shows the embodiment according to FIG.
  • FIG. 13 illustrates a further possible embodiment of the roughened surface
  • FIG. 14 shows a possible embodiment of the roughened surface.
  • the machine unit 1 stands on feet 10
  • the shaft of the motor 2 is extended from the usual upward, and on the protruding stub shaft 1 1, the disc 12 of the stirrer 4 is attached.
  • the disc 12 is provided with Flugein 13, on its lateral jacket is the opening of a
  • Lid 14 adapted The Ruhrer 4 is designed so that the stucco materials in the medium do not adhere to the stub shaft 1 1 next to the disk 12 or can wind up on it. Therefore, a lid 14 adjoins the edge of the disk 12 with a narrow gap The edges of the wings 13 located on the disk 12 are rounded, if necessary. Another possibility is then that the edges as
  • Shredding elements are formed. Instead of the wings 13, of course, other flow-generating elements and / or shredding elements, for example
  • the disk can be made up of at least one disk delimited by flat and / or curved surfaces. If necessary, a simple disk without wings or current-generating elements can also be used as a stirrer
  • Crushing elements can optionally also be fixed to the pump housing 5 and / or rotating on the shaft of the motor 2
  • Soles 15 are attached to the upper part of the machine unit 1, which enables the machine unit designed according to the invention to be used both in the position shown in FIG. 1 and vice versa.
  • the motor 2 is switched on and off by means of a Float switch 16 made
  • the multiphase medium surrounding it can be pumped and stirred simultaneously, for example in the manner shown in FIGS. 2 and 3
  • the machine unit 1 is in the position shown in FIG. 1 in a container 17.
  • tube 18, and the waste water can be removed through a waste water discharge pipe 19.
  • the required medium passes through a pressure pipe 20 through a fitting 21 m, the waste water discharge pipe 19.
  • a mud slide 22 is arranged at the bottom of the container 17, this makes it easier for the deposited substances to be stirred up and kept in a swirling motion
  • This arrangement has the advantage that it can be operated with very little switching on and off, ie the difference between the maximum (max) and the minimum (min 2) liquid level can be comparatively large. This is important in places where the primary aspect the fearful energy consumption is of course the system can also be operated with a low level difference (max - min 1) and frequent switching
  • the solution shown in FIG. 3 is similar to that shown in FIG. 2, the difference is that the machine unit 1 is set upside down, ie the stirrer 4 is at the bottom and the pump 3 is at the top.
  • This arrangement has the advantage that the stirrer is at the bottom. while suction is being carried out at the top. This means that the substances in the shaft that are dangerous for the pump, such as rubber, razor blades, rags, etc., cannot cause any damage to the pump.
  • the part that contains the most fat is always extracted
  • a further advantage of the arrangement is that the medium can also be stirred without the promotion of liquids.
  • the solution shown enables the machine unit to be switched on at certain time intervals without wastewater being pumped out of the system dry state, and the periodic stirring up significantly speeds up the wastewater treatment process
  • FIG. 4 shows a configuration of the machine unit according to the invention which differs from the conventional one
  • FIG. 5 shows a fundamentally new form of the Ube ⁇ ump shaft, realized with the aid of this machine unit.
  • FIG. 4 shows the machine unit 1 already shown in FIG. 1 in a horizontal arrangement, ie Sole 15 is installed parallel to the axis of rotation of machine unit 1.
  • pump 3 and stirrer 4 operate at the same height, which on the one hand combines the advantages of the two solutions already described above and on the other hand with other advantages which have so far not been achievable with any other system connected is
  • the machine unit arranged in this way can be operated continuously even at a very low liquid level (min 1), because the cooling of the motor 2 is ensured as a result of the horizontal arrangement.
  • min 1 liquid level
  • part of the blades of the stirrer 4 move in the air , and as a result, an intensive mixing of the wastewater with air is also achieved with this arrangement, it is possible to switch on and off at regular intervals regardless of the liquid level, which not only ensures that the medium is stirred, but at the same time that it is aerated In comparison with the previous systems, this is a fundamental novelty and an extraordinary advantage because the Ube ⁇ umpsystem already performs part of the wastewater treatment.
  • the cleaning effect can be further increased by the injector 24 shown in FIG. 4.
  • the injector 24 sucks in the medium on its widening side and prints it, accelerated by the Ruhrer 4, out on its narrower end and in this way produces, in addition to the ventilation, an extremely intensive flow of liquid.
  • the ventilation effect can be increased even more when the injector 24 is turned on
  • Air inlet pipe 25 is connected. This ensures that ventilation also takes place when the liquid is at the highest (max 2) level shown in FIG. 5, because the air inlet pipe 25 always protrudes beyond the liquid level and the introduction of air at every liquid level. ie an intensive mixing of waste water and air is guaranteed
  • FIG. 6 shows a further embodiment of the machine unit according to the invention.
  • the shaft of the motor 2 - in contrast to the solution shown in FIG. 1 - is only angled in one direction, and on this elongated shaft stub 7 is above of the impeller 6 of the pump 3, a stirrer 4 is also attached.
  • the housing of the machine unit 1 is provided with openings 27.
  • This embodiment has the advantage that only a single axis sealing point has to be attached in the machine unit 1.
  • the stirring in this embodiment is generally softer and more uniform than in the other variants.
  • FIG. 7 Also shown in FIG. 7 is an embodiment in which the shaft of the motor 2 is only extended in one direction, here the pump 3 is closer to the motor 2 and the stirrer 4 is attached to the stub shaft 7 further away from it.
  • the stirrer 4 is a rotating basket 28, on the jacket and base of which there are ribs 29.
  • the openings 30 formed in the jacket which at the same time form the feeding opening of the pump, filter the inflowing medium, so that the rotating basket 28 performs two functions at the same time: it stirs and filters the medium surrounding the machine unit 1.
  • a further advantage is that the stirrer 4 keeps the lumpy material away from the baby's mouth, i. H. reduces the size of the particles flowing into the pump. This effect can be further enhanced by attaching 30 guide elements, for example inclined plates, to the front side of the openings when viewed in rotation.
  • the casing of the rotating basket 28 can be cylindrical, but can also have a different, for example polygonal, cross-section.
  • the machine unit is arranged in the shaft in the position reversed with respect to FIG. 7, pumping and stirring also take place here in the upper region of the medium and prevent the formation and adhesion of the fat layer to an increased extent.
  • the container is as a waste water collector
  • Container 17 formed and provided with a lid 23.
  • a waste water inlet pipe 18 is located in its side wall, and an inclined bottom plate 31 is attached to its bottom.
  • the pump 3 On the base plate 31 there is the pump 3, the pressure connection 9 of which is connected to the sewage pipe 19 of the container 17.
  • a stirring disk 12 At the end of the pump 3 facing away from the pressure connection 9 there is a stirring disk 12 which, in this embodiment, is the turbulence-generating element which moves the liquid in the container 17.
  • the pump 3 is not arranged directly on the base plate 31, but on an insert located on the base of the container 17. This insert is shown in Fig. 9.
  • the insert 32 is essentially a container 33 provided with a cylindrical jacket, the inclined bottom plate of which is adapted to the bottom plate 31 of the container 17.
  • the container 33 is provided with a handle 34, by means of which it can be inserted and removed.
  • the base plate of the container 33 is provided with a cutout corresponding to the shape of the pump 3, so that the container 33 can be removed without having to move the pump 3.
  • the inside of the jacket is provided with a roughened surface 35.
  • the roughened surface can be of any design. Some examples are shown in Figures 10-14. Fig. 10 shows a file-like rough surface in section, Fig. 1 1 shows a sawtooth-like roughness. 12a, 12b and 13 illustrate surfaces roughened by perforation. The area depicted in FIG. 12 resembles a vegetable slicer in which the perforations are provided with cutting edges.
  • FIG. 14 shows a surface roughened by hooks, the hooks having the same shape as the hooks of the so-called Velcro fasteners.
  • the roughened surface can optionally be directly the inner surface of the container 17, but it is also possible to attach the roughened surfaces to special guide elements. It is apparent that the system shown in Figs. 8-14 other than those shown
  • the pump used can be a simple liquid pump, a slurry pump or a grinding pump.
  • a pump with a stirring disk is particularly preferably used in sewage shafts (FIG. 8). In this case, it is advisable to arrange the pump horizontally or on an inclined plane, the stirring disk pointing downwards in the latter case. However, it is also possible to arrange a pump of this type vertically, with the stirring disk located at the bottom.
  • numerous other solutions can be used, depending on the local conditions and requirements
  • the roughened surfaces can be attached to the container walls that delimit the water space, but also to guide elements or other elements or to the outer surfaces of the pump
  • the system according to the invention works as follows
  • the liquid to be treated or to be pumped generally enters the container discontinuously through the inflow opening.
  • the pump between the maximum and the minimum level is actuated by a float switch.
  • the one in the container is activated
  • Liquid from the agitation disk is stirred intensively, and the stucco materials and impurities in the liquid are constantly crushed on the roughened surfaces. This leads to a homogenization of the liquid, a comminution of the coarse impurities, while the pump removes the liquid from the container
  • the combinable device according to the invention guarantees numerous advantages in comparison with the conventional solutions.
  • the stirring, pumping and, if appropriate, also the aeration of the medium can be carried out simultaneously any arrangement can be used, ie can be attached at one end of the motor or at both ends according to the requirements, and the entire machine unit can be operated with optimum efficiency both in the vertical and in the horizontal position
  • the solution according to the invention thus ensures a machine unit or system which can be essentially assembled from module elements and which at the same time provides several functions with very good efficiency.
  • the machine unit and the system containing it are self-cleaning, require practically no human intervention, are reliable, and their investment and operating costs are relatively small
  • Use in wastewater treatment and drainage systems enables the wastewater to be pumped, over-pumped and partially cleaned at the same time. Stirring of the multi-phase medium in the collecting shaft prevents one of the phases from accumulating to an undesirable extent
  • the machine unit containing the pump is not only put into operation when the specified level is reached, but the Ruhrer located in the machine unit can be switched on at regular intervals without the pump becoming defective the treatment of the wastewater in the shaft is decisively improved, since in this way the frequency of stirring and aeration does not depend on the speed of the wastewater supply, but can be stirred and aerated at regular intervals
  • the solution according to the invention makes it possible for the first time that the wastewater is additionally intensively aerated during the regular or regular stirring and pumping For all these reasons, the machine unit according to the invention or the systems containing them is significantly more effective than the previous solutions of a similar character and ensures that economically operable systems are scanned.

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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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Le dispositif pour le transfert de milieux multiphases, par exemple, d'eaux usées, présente un ensemble de pompage renfermant un moteur électrique et une unité hydraulique fixée sur l'arbre de ce moteur, ledit moteur et l'arbre étant séparés hermétiquement l'un de l'autre et agencés dans un logement commun, ladite unité possédant une autre unité hydraulique et les unités hydrauliques étant fixées sur l'une des extrémités ou aux deux extrémités de l'arbre du moteur électrique (2). Le dispositif pour l'accumulation et/ou le traitement et le transfert de liquides, de systèmes multiphases, éventuellement de liquides contenant des matériaux en morceaux, principalement d'eaux usées, présente un conteneur équipé d'ouvertures d'amenée et d'évacuation, d'une pompe située dans la chambre à liquides, ainsi que d'un élément générant une turbulence, le tuyau de refoulement de la pompe étant connecté à l'ouverture d'évacuation du conteneur, l'élément générant une turbulence étant constitué par un agitateur mécanique (4), cependant qu'il est prévu, dans la chambre à liquides, des éléments de broyage et de déchirement se présentant sous forme de surfaces rugueuses (35). Le dispositif pour l'accumulation et le transfert de milieux multiphases, principalement d'eaux usées, présente un conteneur équipé d'un conduit d'amenée des eaux usées et d'un conduit d'évacuation de celles-ci, ainsi qu'un ensemble de pompage disposé à l'intérieur du conteneur et renfermant un moteur électrique et une unité hydraulique fixée sur l'arbre de ce moteur, le moteur et l'arbre étant séparés hermétiquement l'un de l'autre et agencés dans un logement commun. L'ensemble de pompage (1) possède deux unités hydrauliques, celles-ci étant fixées sur l'une des extrémités, ou aux deux extrémités de l'arbre du moteur électrique (2), l'arbre de ce moteur (2) étant disposé horizontalement ou formant un angle aigu avec le plan horizontal.
PCT/HU1997/000033 1996-06-28 1997-06-26 Appareillage pour l'accumulation et/ou le traitement et l'acheminement ulterieur de liquides, de systemes multiphases ou de liquides contenant des substances en morceaux, principalement d'eaux usees WO1998000610A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SK1802-98A SK284737B6 (sk) 1996-06-28 1997-06-26 Zariadenie na zhromažďovanie a odvádzanie viacfázových odpadových vôd
EP97930686A EP0907806B1 (fr) 1996-06-28 1997-06-26 Appareillage pour l'accumulation et/ou le traitement et l'acheminement ulterieur de liquides, de systemes multiphases ou de liquides contenant des substances en morceaux, principalement d'eaux usees
AT97930686T ATE207169T1 (de) 1996-06-28 1997-06-26 Vorrichtungen zum sammeln und/oder behandeln und weiterleiten vonflüssigkeiten, mehrphasigen systemen beziehungsweise stückige substanzen enthaltenden flüssigkeiten, in erster linie abwässern
DE59704985T DE59704985D1 (de) 1996-06-28 1997-06-26 Vorrichtungen zum sammeln und/oder behandeln und weiterleiten vonflüssigkeiten, mehrphasigen systemen beziehungsweise stückige substanzen enthaltenden flüssigkeiten, in erster linie abwässern

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
HU9601793A HU219780B (hu) 1996-06-28 1996-06-28 Meríthető szivattyú és létesítmény, elsősorban szennyvizek elvezetésére
HUP9601793 1996-06-28
HU9700506A HU9700506D0 (en) 1997-02-24 1997-02-24 Tank for collecting and/or treating and transmission of liquids, multiphase system, liquids with lumpy, preferably of sewage
HUP9700506 1997-02-24

Publications (1)

Publication Number Publication Date
WO1998000610A1 true WO1998000610A1 (fr) 1998-01-08

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PCT/HU1997/000033 WO1998000610A1 (fr) 1996-06-28 1997-06-26 Appareillage pour l'accumulation et/ou le traitement et l'acheminement ulterieur de liquides, de systemes multiphases ou de liquides contenant des substances en morceaux, principalement d'eaux usees

Country Status (6)

Country Link
EP (1) EP0907806B1 (fr)
AT (1) ATE207169T1 (fr)
CZ (1) CZ294840B6 (fr)
DE (1) DE59704985D1 (fr)
SK (1) SK284737B6 (fr)
WO (1) WO1998000610A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004067863A1 (fr) * 2003-01-31 2004-08-12 Intermediker Kft. Procede et unite de pompe utiles pour traiter efficacement les eaux usees dans un bac de transfert
NL2016583A (nl) * 2015-07-21 2017-01-26 Pharmafilter B V Rioleringsput.
WO2017014636A1 (fr) * 2015-07-21 2017-01-26 Pharmafilter B.V. Fosse d'eaux usées
DE102018002871A1 (de) * 2018-04-07 2019-10-10 Spechtenhauser Pumpen Gmbh Hebeanlage
CN111828403A (zh) * 2020-07-27 2020-10-27 陈其东 一种具有自清洁功能的离心泵
CN114370103A (zh) * 2021-11-29 2022-04-19 江阴久盛市政工程有限公司 一种一体化污水提升预制泵站
SE2130300A1 (en) * 2021-11-11 2023-05-12 Skandinavisk Kommunalteknik AB System and method for cleaning macerated scum

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NL71622C (fr) * 1946-03-30
FR2248377A1 (fr) * 1973-10-22 1975-05-16 Perdriel Claude
FR2252460A1 (en) * 1973-11-22 1975-06-20 Setma Pulverising extraction pump for water closet - has abrasive lining and frusto-conical rotor with lower peripheral blades
US3897600A (en) * 1971-07-15 1975-08-05 Robintech Inc Pressure sewage system and means
US3973866A (en) * 1975-01-02 1976-08-10 Vaughan Co., Inc. Centrifugal chopping slurry pump
EP0065899A1 (fr) * 1981-05-08 1982-12-01 Claude Ragot Water-closet à évacuation mécanique comportant une chambre d'évacuation accessible et démontable depuis l'intérieur de la cuvette du water-closet
EP0110562A2 (fr) * 1982-10-28 1984-06-13 R. Goodwin International Ltd Procédé d'agitation de particules solides
EP0204170A1 (fr) * 1985-05-24 1986-12-10 Häny & Cie. AG. Dispositif pour le transport d'eaux usées
GB2277557A (en) * 1993-04-27 1994-11-02 Stephen Walker Tebby Sewage pumping stations and pump apparatus

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Publication number Priority date Publication date Assignee Title
NL71622C (fr) * 1946-03-30
US3897600A (en) * 1971-07-15 1975-08-05 Robintech Inc Pressure sewage system and means
FR2248377A1 (fr) * 1973-10-22 1975-05-16 Perdriel Claude
FR2252460A1 (en) * 1973-11-22 1975-06-20 Setma Pulverising extraction pump for water closet - has abrasive lining and frusto-conical rotor with lower peripheral blades
US3973866A (en) * 1975-01-02 1976-08-10 Vaughan Co., Inc. Centrifugal chopping slurry pump
EP0065899A1 (fr) * 1981-05-08 1982-12-01 Claude Ragot Water-closet à évacuation mécanique comportant une chambre d'évacuation accessible et démontable depuis l'intérieur de la cuvette du water-closet
EP0110562A2 (fr) * 1982-10-28 1984-06-13 R. Goodwin International Ltd Procédé d'agitation de particules solides
EP0204170A1 (fr) * 1985-05-24 1986-12-10 Häny & Cie. AG. Dispositif pour le transport d'eaux usées
GB2277557A (en) * 1993-04-27 1994-11-02 Stephen Walker Tebby Sewage pumping stations and pump apparatus

Cited By (10)

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CN100378277C (zh) * 2003-01-31 2008-04-02 因特迈迪克尔有限责任公司 用于有效处理转移池中污水的方法
HRP20050678B1 (hr) * 2003-01-31 2013-08-31 Intermediker Kft. Metoda i uređaj za ispumpavanje za učinkovito zbrinjavanje kanalizacije u odvodnom tanku
NL2016583A (nl) * 2015-07-21 2017-01-26 Pharmafilter B V Rioleringsput.
WO2017014636A1 (fr) * 2015-07-21 2017-01-26 Pharmafilter B.V. Fosse d'eaux usées
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DE102018002871A1 (de) * 2018-04-07 2019-10-10 Spechtenhauser Pumpen Gmbh Hebeanlage
CN111828403A (zh) * 2020-07-27 2020-10-27 陈其东 一种具有自清洁功能的离心泵
SE2130300A1 (en) * 2021-11-11 2023-05-12 Skandinavisk Kommunalteknik AB System and method for cleaning macerated scum
CN114370103A (zh) * 2021-11-29 2022-04-19 江阴久盛市政工程有限公司 一种一体化污水提升预制泵站

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SK180298A3 (en) 2000-05-16
ATE207169T1 (de) 2001-11-15
EP0907806B1 (fr) 2001-10-17
EP0907806A1 (fr) 1999-04-14
CZ430098A3 (cs) 1999-10-13
CZ294840B6 (cs) 2005-03-16
DE59704985D1 (de) 2001-11-22
SK284737B6 (sk) 2005-10-06

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