EP2319614B1 - Procédé de malaxage pour récipients à liquide - Google Patents

Procédé de malaxage pour récipients à liquide Download PDF

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Publication number
EP2319614B1
EP2319614B1 EP10401088.9A EP10401088A EP2319614B1 EP 2319614 B1 EP2319614 B1 EP 2319614B1 EP 10401088 A EP10401088 A EP 10401088A EP 2319614 B1 EP2319614 B1 EP 2319614B1
Authority
EP
European Patent Office
Prior art keywords
stirring
range
liquid
storage tank
fill
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.)
Active
Application number
EP10401088.9A
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German (de)
English (en)
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EP2319614A2 (fr
EP2319614A3 (fr
Inventor
Herbert Dammann
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.)
Herbert Dammann GmbH
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Herbert Dammann GmbH
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Publication date
Application filed by Herbert Dammann GmbH filed Critical Herbert Dammann GmbH
Priority to PL10401088T priority Critical patent/PL2319614T3/pl
Publication of EP2319614A2 publication Critical patent/EP2319614A2/fr
Publication of EP2319614A3 publication Critical patent/EP2319614A3/fr
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Publication of EP2319614B1 publication Critical patent/EP2319614B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/02—Maintaining the aggregation state of the mixed materials
    • B01F23/024—Maintaining mixed ingredients in movement to prevent separation of the ingredients after mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
    • B01F25/2121—Pivoting or oscillating in a multidirectional way during jetting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays

Definitions

  • the invention relates to a method for stirring a stock liquid located within a storage tank according to claim 1.
  • a stirring device for stirring a liquid in a liquid tank of an agricultural field sprayer is known.
  • a stirring line is led from the upper region of the storage tank to approximately the bottom, where this stirring line divides into two opposite outlet openings, through which the corresponding liquid can be pumped within the storage tank. This results in a circulation of the liquid within the storage tank.
  • the DE 200 18 717 U1 discloses, by way of example, a stirring arrangement, namely a hydraulic stirrer, for mixing pesticides with water, in which a stirring line with stirring nozzles is arranged in a liquid tank.
  • the mixing takes place here by pumping the liquid from the liquid tank and reintroducing the liquid through a stirring.
  • the stirring nozzles distribute the pumped liquid such that a directed Flow within the liquid tank is created. This should be done a uniform mixing.
  • the DE 10 2007 009 451 A1 discloses an arrangement and method for agitating a substrate or liquid for a biogas plant fermenter.
  • an intended stirrer within the fermenter level-dependent is changed in height, so that with decreasing liquid level, the agitator is moved down, whereby the stirring blades are further completely held in the substrate.
  • the DE 691 01 565 T2 discloses an arrangement for cleaning pest control containers having a filter for filling agents.
  • an arrangement in the upper region of the container is provided, which introduces a jet of water into the container, wherein this jet of water is atomized, however.
  • the cleaning water also washes the filter.
  • the water used is collected and is available for use with the same crop protection product for later use. Further, an intended three-way valve is used to control the liquid flows within the assembly.
  • the DE 15 57 582 A discloses an apparatus for cleaning the interior of a container.
  • a cleaning liquid is discharged via a vertically arranged hollow shaft, on the outside of which outlet openings are arranged, so as to clean the inner surface of the container with a pressurized cleaning liquid.
  • the vertical pressurized hollow shaft in particular a straight and a U-shaped bent tube are provided.
  • the US 2005/02 81 131 A1 discloses a device for stirring a liquid according to the preamble of claim 1, which is associated with levitation particles or additives.
  • a vertically arranged tube is provided with nozzles or openings seated on the surface.
  • a circuit is provided with a pump, by means of which the liquid is kept in the storage container in motion.
  • the US 49 86 293 A discloses a stirring arrangement in a container, wherein the stirring blades arranged inside the container are guided close to the container outer wall and parallel to it. These stirring arms are driven by a motor. Furthermore, there is another fast-running paddle in the container. Through the outer stirring arms, liquid can be introduced into the container with the aid of a pump and tube arrangement, this liquid serving to clean the container. The stirring arms still have spray nozzles to ensure efficient cleaning.
  • the US 34 07 121 A discloses a cleaning arrangement for a fermenter container.
  • a rotatable tube is arranged at the upper end of the fermenter container, wherein the tube in particular has nozzles.
  • the tube is rotatably mounted on two receptacles in the container.
  • the tube has a crank.
  • the US 31 01 730 A discloses a cleaning device for parts of paper machines.
  • a rotating shaft is rotated with a pressurized liquid between two recordings, wherein the pressurized liquid is sprayed via nozzles or outlet openings to the points to be cleaned.
  • the FR 24 98 082 A1 discloses a method and arrangement for stirring a liquid in a storage tank. It is a pipe pumping system provided by means of which the liquid to be stirred is removed from the storage tank and introduced again with pressure and a stirring motion. In this stirring method, the level is continuously detected, the stirring movement and the introduction of the liquid are controlled in dependence of the level.
  • the object of the invention is to provide a stirring method with which it is possible to maintain a uniform concentration within a liquid in a storage tank, in particular to prevent sinkable suspended matter within the liquid collect at the bottom of the storage tank.
  • a pipe rotatably mounted between two receptacles, on the lateral surface of which the outlet openings are arranged, is rotated about an axis of rotation between the receptacles, it is possible to realize a homogeneous, uniform and uniformly distributed concentration of the liquid within a storage tank. As a result, the quality of the stored liquid can be maintained over a longer period of time. Furthermore, a separation of the liquid is actively prevented in their individual components, so that it does not come to flocculation or the like. Since withdrawing takes place regularly from the storage tanks and thus the level always changes, the pressurization takes place depending on the filling level.
  • the pressurization can be done at a high level with higher pressures to circulate a larger amount of liquid at smaller levels, the pressurization can be performed with smaller pressures, so that the effective range of the exiting the outlet openings liquid is lower than at a high pressure.
  • the height of the tube can be varied during stirring or even during cleaning to reach all areas of the storage tank with the emerging from the outlet openings liquid. Foaming, spraying in air or the like To prevent the stirring of the storage liquid is carried out at a level in the range of maximum level height up to an upper level, in which a coverage of the effective range of the outlet openings with the storage liquid is just given by rotating the tube rotating with simultaneous pressurization.
  • the fluid level within the reservoir tank drops, which reduces the fluid level.
  • the stirring of the storage liquid takes place at a filling level in the range from the upper filling level to a lower filling level, in which an overlap of the effective range of the outlet openings is still given by turning the tube in a swivel range ⁇ 360 ° with simultaneous pressurization, the bisector of the Pivoting range from the vertex is oriented downwards, since in this way the effective range of the emerging from the outlet openings liquid is held within the storage liquid of the storage tank. An impact on the level is prevented.
  • the stirring and / or the cleaning can be carried out as required.
  • the stirring and / or the cleaning can be activated and deactivated.
  • the rotational speed or the pressurization can be adjusted according to the needs.
  • the swivel range in the range of the upper level height is continuously or gradually reduced to the lower level depending on the level height, with the bisector of the swivel range from the vertex is still directed downward, it is permanently ensured that no effect of the emerging from the outlet openings liquid takes place over the level of the stock liquid.
  • the stirring of the stock liquid is stopped at a level height below the lower level level.
  • an area below the tube would exist in which the liquid emerging from the outlet openings would be discharged directly to the air.
  • the exiting liquid would introduce air particles in the residual storage liquid, which would lead to a negative quality impact of the stock liquid and to the foaming already mentioned above.
  • the storage liquid within the storage tank behaves in such a way that a layer floating above the liquid, for example a forming skin, is present which, by distributing the liquid emerging from the outlet openings above this layer, to a mixing of this layer would lead with the stock liquid. For example, this could lead to contamination at the sampling point or other lines within a sampling arrangement.
  • the cleaning takes place only with a remainder of stock liquid or empty storage tank, wherein the cleaning is carried out by rotating the pipe or rotating the pipe in a swivel range with simultaneous pressurization with the cleaning / rinsing liquid or water, wherein the bisector of the swivel range From the vertex is oriented upwards, the still existing stock liquid is first neither diluted nor contaminated. Furthermore, the cleaning / rinsing liquid or the water is also not heavily contaminated by the residual liquid. Both lead to a reduction of disposal costs. By rotating the tube all the areas of the interior of the storage tank are sprayed with the cleaning / rinsing liquid or water, which is discharged from the outlet openings.
  • the switching is done by stirring with rotating rotation, stirring with rotation in a swivel range, stopping the pressurization and rotation and cleaning automatically, and after switching from one range to another range within a tolerance range of the level height is not returned to the previous process status.
  • the pressure is controlled depending on the process status of stirring and cleaning.
  • the stirring is preferably carried out with a lower spray pressure than during the cleaning.
  • the higher pressure is used to spray the interior of the storage tank. As a result, the surface is sufficiently freed from the stock liquid and cleaned of residues.
  • the stirring is the removal of a portion of the stock liquid, the pressurization and introduction into the tube, the discharge of the pressurized stock liquid through the outlet openings in the storage tank in a closed circuit is operated.
  • the storage liquid at any point, but preferably at the lowest point of the storage tank are pumped out and introduced by a corresponding pumping arrangement again with the help of the tube and the corresponding outlet openings in the storage tank.
  • the effective range of the outlet openings is oriented predominantly in the radial direction, wherein the outlet openings are oriented near walls of the storage tank such that their effective range points in the direction of the wall of the storage tank, sufficient stirring over the entire space area or interior of the storage tank the supply liquid ensured.
  • the edge regions of the interior are always problem areas, which are now sufficiently stirred, so that here no separation or deposits can form. The same applies to cleaning, so that even problem areas are freed from the residues of the storage liquid and residues and deposits or cleaned.
  • outlet openings are designed as nozzles, preferably as injector nozzles or spherical head nozzles, wherein the ball head nozzles are preferably designed eccentrically rotating, the effective range of each individual nozzle is further increased, since both the effective range is extended and rotationally symmetrical enlarged.
  • a rotary drive means is provided for rotating the tube.
  • the rotary drive means is a water motor, an electric motor, a pneumatic drive, a lever or coupling gear and / or a hydraulic motor, wherein rotational speed and direction of rotation are adjustable.
  • the pipe can be guided directly through the wall of the storage tank.
  • a complex construction and protection arrangement of the required items, such as the pressurizing means or the like, dispensed within the tank be so that these devices can be arranged in the simplest way outside the storage tank and at the same time the pipe can be supplied with the appropriate liquid.
  • pressurizing means and / or the rotary drive means are arranged outside the storage container. Any required maintenance on these equipment can be done very easily.
  • the pressurizing means is a pump.
  • the pump is particularly preferably designed as a pushing pump.
  • a plurality of tubes are rotatably arranged in the storage tank. Both the length, the width, as well as the height of the arrangement of several tubes in the storage tank makes sense, preferably all tubes are supplied with a pressurizing means with the liquid. In this context, would fall below the lower filling level of the respective pipe, the corresponding pipe via controllable valves are no longer pressurized. The turning for this pipe is finished at the same moment.
  • the outlet openings of the corresponding tube can be liquid-loaded with the same pressure.
  • the axis of rotation (s) are vertically aligned.
  • the outlet openings of each tube must be individually controlled. This can be achieved for example via electrically controllable valves via a bus system, so that the valves are switched off at a decreasing level within the storage tank from top to bottom in order.
  • the receptacles along the wall sides of the storage tank, on which they are arranged movable and adjustable, wherein preferably an adjustment is provided by means of a drive.
  • a drive For moving the recordings by means of the drive, it is possible, for example, to arrange electric motors, deflecting rollers, linkage arrangements or the like which convert corresponding rotational movements into linear movements.
  • Linearstellmotoren or hydraulic ram can be used for this purpose.
  • an arrangement on a rotation disk is possible, so that a spatial movement of the tube takes place in two dimensions in space.
  • the pipe has a crank at both ends, wherein the crimp angle is in the range from 5 to 110 °, preferably in the range from 70 to 108 °.
  • the crimp angle is in the range from 5 to 110 °, preferably in the range from 70 to 108 °.
  • This area can be seen in particular starting from the respective receptacle until the end of the offset, since otherwise the outlet openings in this area may no longer be sufficiently covered with the storage liquid within the storage tank, whereas the largest number of outlet openings is still far below the filling level the stock liquid is located within the storage tank.
  • the outlet openings are arranged spirally on the lateral surface of the tube. In this case, several revolutions of the tube can be provided.
  • individual nozzles can be switched on and off.
  • a BUS system which, for example, controls solenoid valves on the individual nozzles.
  • the outlet openings are equally spaced, preferably at a distance of 20 to 50 cm and particularly preferably at a distance of 25 cm from each other, arranged on the lateral surface of the tube.
  • the tube is made of metal, preferably stainless steel and is preferably a round tube.
  • metal pipe it is also possible to use plastics which are preferably fiber-reinforced. In particular, the resistance to the storage liquids to be stirred must be taken into account.
  • an auxiliary tank with a cleaning / rinsing liquid or filled with water / is arranged to be filled, wherein an additional supply line for supplying the cleaning / rinsing liquid or the water is provided to the pressurizing means, whereby the short-term switching between stirring with the stock liquid and cleaning with a cleaning - / Rinse liquid or with water is possible.
  • a concentrate such as a pesticide or the like may be added to this additional tank, stockpile what is needed in the storage tank is introduced. It would be particularly useful if only water would initially be present in the storage tank.
  • a deicing or cleaning agent for example, high transport costs can be avoided, which would arise if very large amounts of the ready-mixed stock liquid from a filling to a place of application or Place of use would have to be brought.
  • level sensors for determining the filling level are arranged in the storage tank.
  • Fig. 1 shows the stirring and cleaning device 1 in a storage tank 2.
  • the storage tank 2 is formed from the wall 21 and surrounds the interior 22.
  • a storage liquid 3 In the lower part of the storage tank 2, a removal 25 is provided The stock liquid 3 is used to remove this from the storage tank 2.
  • the tube 11 is rotatably mounted in the receptacles 24, wherein the tube 11 rotates about an axis of rotation x.
  • the tube 11 has on the lateral surface 12 outlet openings 13. These outlet openings 13 are formed in this embodiment as nozzles 13.
  • the outlet openings or the nozzles 13 have an effective area 15.
  • This effective area 15 is the area in which the exiting liquid can act from the outlet openings, nozzles 13 within the interior 22 or within the storage liquid 3.
  • this effective region 15 does not include all the flows which are produced by the stirring movement or the outflowing liquid from the outlet openings, nozzles 13 within the storage liquid 3. Rather, due to the exiting liquid from the outlet openings, nozzles 13 complex flow processes, turbulence and mixing, which are not shown here.
  • a liquid is transported under pressure, which, as already described above, from the outlet openings, nozzles 13 is introduced into the storage tank 2.
  • the tube 11 is guided via a passage 23 in the wall 21 of the storage tank 2 to the outside, where a line 32 is connected to the pipe 11.
  • This line 32 is connected to a pump 31, which forms the pressurizing means in this case.
  • the pump 31 is connected in this embodiment with the storage tank 2 via the removal 25, whereby it is possible to remove a portion of the stock liquid 3 at the removal 25 from the storage tank 2 and in the sense of a circulation process via the pipe 11 in the storage tank. 2 due.
  • the storage tank 2 is filled to about 80% with the storage liquid 3.
  • the fill level of the stock liquid 3 within the storage tank 2 can be read on the basis of the fill level h.
  • This fill level h can for example be optically detected or detected by level sensors and fed to a central control unit as a data signal.
  • the level height h is used in particular the activation and
  • a valve arrangement 34 is provided, to which a further line 32 is arranged, which has a consumption element 33 at the other end.
  • This consumption element 33 in conjunction with the line 32 and the valve assembly 34 serves to remove stock liquid 3 from the storage tank 2. The removal is influenced in particular by the pump 31 and a corresponding switching of the valve assembly 34, as well as the dimensioning of the lines 32.
  • the line 32 from the removal 25 via the pressurizing means, the pump 31, to the valve assembly has a large cross-section, which then divides into two new, smaller lines, each with a smaller cross-section. As a result, sufficient stock liquid 3 is circulated and sufficient stock liquid 3 remains free for removal.
  • Fig. 1 illustrated embodiment represents an agricultural field sprayer, wherein the consumption element 33 is exemplary of deployable spray arms of an agricultural sprayer with corresponding spray nozzles.
  • the arrangement looks similar when used for a building sprayer such as a de-icing machine or the like.
  • the storage tank 2 is, as already in Fig. 1 described, formed from the wall 21 and enclosing the interior 22.
  • the stock liquid 3 is located in the storage tank 2. On the presentation of the devices located outside of the storage tank 2 is omitted here, since this already the Fig. 1 are removable.
  • the tube 11 is in turn rotatably mounted in the receptacles 24 about the axis of rotation x.
  • the tube 11 has at its ends in each case a crank 14, 14 'on.
  • the cranks 14, 14 ' are bent in a Kröpfwinkel ⁇ .
  • a double-cranked tube 11 is formed.
  • the tube 11 has on its lateral surface 12, the above-mentioned outlet openings 13, which are formed for example as a nozzle 13.
  • the outlet openings or the nozzles 13 have an effective area 15, which in this embodiment is different than the effective area 15 Fig. 1 is trained.
  • the effective area 15 is in Fig. 2 smaller, since by the two cranks 14, 14 ', the tube 11 has a larger spatial coverage area within the storage tank 2 by a rotation about the axis of rotation x.
  • the outlet openings, nozzles 13 of the tube 11 are preferably not provided in the crank region 14, 14 'and the regions in the receptacle 24.
  • Fig. 3a shows a schematic representation of the operation of the first embodiment of the stirring and cleaning device 1 during stirring.
  • the tube 11 is rotatably arranged within the storage tank 2 with its interior 22 bounding wall 21, the tube 11 is rotatably arranged.
  • an outlet opening, nozzle 13 with an effective area 15 is shown.
  • the storage tank 2 is filled with the storage liquid 3 to a large extent.
  • the filling height h is shown on the side. Now, two more level heights, namely the upper level height oh and the lower level height uh are shown.
  • the upper level height oh represents the level height at which the effective area 15 of the outlet opening, nozzle 13 is still completely covered with the stock liquid 3.
  • the lower filling height uh represents the filling level of the storage liquid 3, in which the storage liquid 3 is still above the outlet opening, nozzle 13, so that the effective area 15 of the outlet opening, nozzle 13 at a lowermost point, namely in the vertically downward exit point of the outlet opening , Nozzle 13, is completely in the storage liquid 3.
  • Fig. 1 As is known, the tube 11 rotates about the axis of rotation x. In Fig. 3a this movement is a 360 ° continuous rotation, since the level height h is above the upper level height oh.
  • This rotation is performed in a swivel range ⁇ , in which case, as already mentioned above, a completely circumferential rotation of the tube 11 in
  • Swivel range ⁇ is completed.
  • it can also lead to changes in direction, so that after one or more successive revolutions, a change between clockwise rotation and counterclockwise rotation takes place, these changes can also be dependent on, for example, a predetermined time.
  • sensors may be present which detect the rotation and the number of rotations.
  • Fig. 3b shows a schematic representation of the operation of the first embodiment of the stirring and cleaning device during stirring.
  • Fig. 3b is now after the reduction of the level height h of the stock liquid 3 by removal of further stock liquid 3, the swivel range ⁇ reduced.
  • the pivoting range ⁇ now extends to a limited portion of a circle in which the tube 11 is pivoted back and forth.
  • the bisector ⁇ / 2 is shown.
  • the bisecting line ⁇ / 2 is directed downwards.
  • the pivoting range ⁇ was limited due to the reduced liquid supply of the storage liquid 3. Now the level is h below the upper level height oh and above the lower level height uh. Upon further reduction of the filling height h, there is an analogous reduction of the swiveling range ⁇ , so that it becomes smaller.
  • Fig. 3c shows a schematic representation of the operation of the first embodiment of the stirring and cleaning device when rinsing.
  • the cleaning or rinsing of the storage tank 2 in this case takes place in a swivel range ⁇ , which is oriented upwards. It can be seen from the size of the effective region 15 that the pressure of the rinsing and cleaning fluid is higher than in the process state of stirring Fig. 3a and 3b , Now, the effective range 15 extends to the wall 21 of the storage tank 2 zoom.
  • Fig. 4a shows a schematic representation of the operation of the second embodiment of the stirring and cleaning device during stirring.
  • Fig. 4a, 4b, 4c In analogy to the Fig. 3a, 3b, 3c , which have each related to the first embodiment, are the Fig. 4a, 4b, 4c now directed to the second embodiment. They represent a cross section through the center of the storage tank Fig. 2 represents.
  • the outlet opening, nozzle 13 are preferably arranged in the region between the two cranks 14, 14 'on the lateral surface 12 of the tube 11, no outlet openings, nozzles 13 in the region between crank 14, 14' and receptacles 24 are provided.
  • Fig. 4a is still a rotating rotation due to the high level height h possible. With continuous removal of the storage liquid, however, this rotating rotation of the tube 11 is stopped in the swivel range ⁇ , as an upper level height oh is exceeded.
  • the duration of the rotating rotation of the tube 11 can be maximized at constant / uniform removal of the stock liquid 3, as As a result, the effective region 15 is directed against the embodiment shown here in the interior 22, always in the direction of the axis of rotation x.
  • Fig. 4b shows a schematic representation of the operation of the second embodiment of the stirring and cleaning device during stirring.
  • Fig. 4b is reduced by removing the storage liquid 3, the level height h.
  • the upper level height is below oh, which is why the tube 11 and only in a reduced pivoting range ⁇ is pivoted back and forth.
  • Fig. 4c shows a schematic representation of the operation of the second embodiment of the stirring and cleaning device when rinsing.
  • the emptied storage tank 2 is cleaned by means of the revolving tube 11. Instead of a completely rotating rotation of the tube 11 and the pivoting in an upward pivoting range ⁇ is possible. For this, refer to the analogue version in Fig. 3c directed.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (9)

  1. Procédé d'agitation d'un liquide de stockage (3) situé dans un réservoir de stockage (2), des ouvertures de sortie (13) situées à l'intérieur du réservoir de stockage (2) étant alimentées sous pression avec le liquide de stockage (3) pour l'agitation et distribuant le liquide de stockage (3) à l'intérieur du réservoir de stockage (2), un tube (11) monté rotatif entre deux logements (24) et sur la surface (12) duquel sont ménagées les ouvertures de sortie (13) étant tourné autour d'un axe de rotation (x) entre les logements (24), caractérisé en ce que la rotation et l'alimentation sous pression sont mises en oeuvre en fonction du niveau de remplissage (h), l'agitation du liquide de stockage (3) étant mise en oeuvre par la rotation du tube (11) sur l'ensemble de sa trajectoire circulaire et simultanément son alimentations sous pression lorsque le niveau de remplissage (h) est compris dans la plage allant du niveau de remplissage maximal à un niveau de remplissage supérieur (oh) dans lequel un recouvrement de la zone d'action (15) des ouvertures de sortie (13) par le liquide de stockage (3) est tout juste encore assuré alors que le tube tourne sur l'ensemble de sa trajectoire circulaire et qu'il est simultanément alimenté sous pression, et l'agitation du liquide de stockage (3) est mise en oeuvre par la rotation du tube (11) dans une zone de rotation (α) < 360° et simultanément son alimentation sous pression lorsque le niveau de remplissage (h) est compris dans la plage allant du niveau de remplissage supérieur (oh) à un niveau de remplissage inférieur (uh) dans lequel un recouvrement de la zone d'action (45) des ouvertures de sortie (13) est tout juste encore obtenu et dans lequel le liquide de stockage (3) se situe encore au-dessus des ouvertures de sortie (13), de sorte que la zone d'action (15) des ouvertures de sortie (13) se situe entièrement dans le liquide de stockage (3) en un point le plus bas, à savoir au point de sortie des ouvertures de sortie (13) orienté verticalement vers le bas, la bissectrice (α/2) de la zone de rotation (α) étant orientée depuis le sommet α vers le bas, et la zone d'action du liquide sortant des ouvertures de sortie (13) étant ainsi maintenue à l'intérieur du liquide de stockage (3).
  2. Procédé d'agitation selon la revendication 1, caractérisé en ce que la hauteur des logements (24) est modifiée pendant l'agitation.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la zone de rotation (α) dans la plage allant du niveau de remplissage supérieur (oh) au niveau de remplissage inférieur (uh) est réduite en continu ou progressivement en fonction du niveau de remplissage (h), la bissectrice (α/2) de la zone de rotation (α) étant toujours orientée depuis le sommet vers le bas.
  4. Procédé d'agitation selon l'une des revendications 1 à 3, caractérisé en ce que l'agitation du liquide de stockage (3) est interrompue lorsque le niveau de remplissage (h) se situe au-dessous du niveau de remplissage inférieur (uh).
  5. Procédé d'agitation selon l'une des revendications 1 à 4, caractérisé en ce qu'un nettoyage du réservoir de stockage n'a lieu qu'en présence d'un restant de liquide de stockage (3) ou lorsque le réservoir de stockage (2) est vide, le nettoyage étant mis en oeuvre par la rotation du tube (11) sur l'ensemble de sa trajectoire circulaire ou par la rotation du tube (11) dans une zone de rotation (α) avec simultanément une alimentation sous pression avec le liquide de nettoyage/de rinçage ou de l'eau, la bissectrice de la zone de rotation (α) étant orientée depuis le sommet vers le haut.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que le basculement entre l'agitation avec rotation sur l'ensemble de la trajectoire circulaire, l'agitation avec rotation dans une zone de rotation (α) et l'interruption de l'alimentation sous pression et de la rotation s'effectue automatiquement, aucun retour au précédent statut du procédé n'ayant lieu une fois le basculement effectué d'une plage dans une autre plage à l'intérieur d'une plage de tolérance du niveau de remplissage (h).
  7. Procédé selon la revendication 5, caractérisé en ce que le basculement entre l'agitation avec rotation l'ensemble de la trajectoire circulaire, l'agitation avec rotation dans une zone de rotation (α), l'interruption de l'alimentation sous pression et de la rotation, et le nettoyage s'effectue automatiquement, aucun retour au précédent statut du procédé n'ayant lieu une fois le basculement effectué d'une plage dans une autre plage à l'intérieur d'une plage de tolérances du niveau de remplissage (h).
  8. Procédé selon l'une des revendications 5 à 7, caractérisé en ce que la pression est commandée en fonction du statut du procédé agitation et nettoyage.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'agitation, le prélèvement d'une partie du liquide de stockage (3), la mise sous pression et l'introduction dans le tube (11), la distribution du liquide de stockage (3) sous pression à travers les ouvertures de sortie (13) dans le réservoir de stockage (2) fonctionnent en circuit fermé.
EP10401088.9A 2009-06-25 2010-06-24 Procédé de malaxage pour récipients à liquide Active EP2319614B1 (fr)

Priority Applications (1)

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PL10401088T PL2319614T3 (pl) 2009-06-25 2010-06-24 Sposób mieszania dla zasobnika cieczy

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DE102009026032A DE102009026032A1 (de) 2009-06-25 2009-06-25 Rühr- und Reinigungsvorrichtung für Flüssigkeitsbehälter und Verfahren dazu

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EP2319614A2 EP2319614A2 (fr) 2011-05-11
EP2319614A3 EP2319614A3 (fr) 2012-04-11
EP2319614B1 true EP2319614B1 (fr) 2014-01-08

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CN114210244B (zh) * 2021-11-03 2024-03-15 温州欣东磁业有限公司 磁粉混料装置

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DE1557582A1 (de) * 1967-06-21 1970-05-21 Werner Machinery Company Vorrichtung zum Waschen des Innenraums eines sperrigen Fluessigkeitsbehaelters
FR2498082B1 (fr) * 1981-01-16 1988-06-03 Evrard Ets Procede et dispositif d'agitation pour un reservoir de pulverisateur agricole
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FR2664983B1 (fr) * 1990-07-17 1994-04-15 Centre Tech Ind Papiers Cartons Dispositif de detection en continu des impuretes de contraste contenues dans une matiere fluide en deplacement.
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EP1577730A1 (fr) * 2004-03-17 2005-09-21 Sap Ag Procédé, système et logiciel pour la vérification de certaines conditions dans des documents électroniques
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EP2319614A2 (fr) 2011-05-11
PL2319614T3 (pl) 2014-07-31
DE102009026032A1 (de) 2011-01-05
DK2319614T3 (da) 2014-03-31
EP2319614A3 (fr) 2012-04-11

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