EP3015162B1 - Procédé et dispositif de transport destiné à prélever dans un récipient un mélange de matière liquide - Google Patents

Procédé et dispositif de transport destiné à prélever dans un récipient un mélange de matière liquide Download PDF

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Publication number
EP3015162B1
EP3015162B1 EP15192607.8A EP15192607A EP3015162B1 EP 3015162 B1 EP3015162 B1 EP 3015162B1 EP 15192607 A EP15192607 A EP 15192607A EP 3015162 B1 EP3015162 B1 EP 3015162B1
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EP
European Patent Office
Prior art keywords
pump
gas
container
unit
substance
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.)
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Application number
EP15192607.8A
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German (de)
English (en)
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EP3015162A1 (fr
Inventor
Thomas Beutel
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.)
Lutz-Jesco GmbH
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Lutz-Jesco GmbH
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Filing date
Publication date
Priority claimed from DE202014105235.6U external-priority patent/DE202014105235U1/de
Priority claimed from DE102014115917.9A external-priority patent/DE102014115917A1/de
Application filed by Lutz-Jesco GmbH filed Critical Lutz-Jesco GmbH
Publication of EP3015162A1 publication Critical patent/EP3015162A1/fr
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Publication of EP3015162B1 publication Critical patent/EP3015162B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
    • 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
    • B01F23/50—Mixing liquids with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/403—Mixers using gas or liquid agitation, e.g. with air supply tubes for mixing liquids

Definitions

  • the present invention relates to a method and a conveying device for removing a liquid substance mixture from a container via a removal unit, wherein the mixture is mixed before and / or during a removal operation by means of a gaseous media stream introduced into the substance mixture via a gas line assigned to the removal unit.
  • the present invention the object of the invention to provide a method and a conveyor for removing a liquid mixture from a container, which can provide a precisely metered solution with little effort waiving additional agitators whose mixing is always uniform and which can also be applied to delivery containers.
  • this container is initially filled with a defined amount of granules and then applied to it with an appropriate amount of solvent. This ensures that the mixing ratio of solvent and granules to each other is appropriate and thus the concentration of the solution produced exactly meets the specifications.
  • a delivery container can be used with a predefined amount of granules. As a result, a transfer of the granules is not required and skin contact of employees with the granules can be effectively avoided, so that associated dangers that persist in the prior art, are eliminated.
  • a gaseous media stream for example an air stream
  • the container has a possibility for supplying a gas line through which the gas used can be introduced into the mixture.
  • the removal of the substance mixture from the container takes place via a removal unit, which essentially initially comprises a suction line, via which the solution is removed by means of suitable conveying devices.
  • This extraction unit can be assigned directly to an additional gas line, via which the gas is introduced. This has the advantage that in the vicinity of the mouth of the suction line and the gas stream can be discharged, so that at the mouth of the suction line a particularly good mixing without solids content is ensured due to the spatial proximity to the fluidizing gas.
  • the removal of the substance mixture can take place via a pump unit which is connected to the removal unit.
  • the pump unit has a delivery pump, for example a metering pump which is sucked out of the substance mixture taken from the container and forwarded to a receiver system or this is metered.
  • the suction line of such a removal unit may further have in the region of its free end, that is, the end projecting furthest into the container, an arcuate mouth portion, which ensures that the mouth of the suction line facing away from the ground.
  • the mouth also takes some distance from the ground, so that not the substance mixture is sucked directly from the bottom of the container, but from a layer immediately above it.
  • the pump unit can also be assigned an additional gas pump via which the gas pump is supplied with the gaseous media flow intended for mixing the substance mixture.
  • the gas pump may be connected to a gas container, or in the case of the use of ambient air by means of an intake with this be supplied.
  • the gas pump when using outside air, it is possible without problems to operate the gas pump continuously, so that the best possible mixing is guaranteed at any time. Even with a longer shutdown of dosing can then be resorted to a uniformly mixed solution.
  • the actual removal process can ideally be preceded on site by an initial filling process, in which a delivery container is used as a container which is filled with a predetermined amount of granules.
  • a delivery container is used as a container which is filled with a predetermined amount of granules.
  • a filling unit will be used connected to the container, wherein via this filling unit, a supplied second material can be added to the first substance already in the container.
  • calcium hypochlorite granules this would be normal water in the present case of disinfecting swimming pool water.
  • a short reaction time is awaited and finally the filling unit is exchanged for the removal unit and can be started immediately with the removal process described above.
  • the filling unit can advantageously have a T-shaped pipe section from which a container connection is connected to the container. Opposite the container connection is a gas outlet, via which the resulting reaction gases are removed from the container and neutralized. About the third, remaining connection, which serves as a feed connection for the second substance, in this case water, the filling of the container takes place.
  • the second substance entering via the feed connection flows into the container and at the same time also discharges the escaping reaction gas.
  • the reaction gas will be chlorine-containing air and in other cases may also be hazardous gases
  • the gas outlet of the T-shaped pipe section may be associated with an activated carbon filter which first passes through the exiting gas and is thereby neutralized.
  • a delivery rate according to the invention for withdrawing a liquid substance mixture from a container essentially consists of a pump unit comprising a delivery pump and a gas pump.
  • the feed pump and the gas pump can be arranged uniformly in a pump housing.
  • the feed pump is in this case connected on the one hand via a suction connection with the extraction unit, via a pressure connection with the arrangement to be fed, in the present example with a pipe system for the swimming and pool water.
  • the gas pump is connected to the gas line of the extraction unit and promotes gas into it, which swirls the substance mixture in the region of the outlet of the gas line.
  • Feed pump and gas pump can be controlled independently of each other, so that the gas pump, for example, can run continuously and ensure a constant uniform mixing, while the feed pump is switched on as needed.
  • suction line and gas line can be combined in the removal unit, in particular also be enclosed by a common outer jacket, so that the removal unit can be arranged in the container simply and with little effort.
  • the suction line may further comprise at its free end an arc portion, wherein the inlet direction into the mouth of the suction line with the remaining course of the suction line forms an angle of more than 90 °. This ensures that the mouth is placed a certain distance from the bottom of the container, so that a forming sediment from the suction line can not be sucked. About precipitating gypsum and the like is not introduced by the swimming and pool water or in the system to be fed.
  • the gas line can be assigned suitable guide elements, via which the outlet direction of the gas can be predetermined from the gas line or can also be changed over time in the case of a rotatable outlet unit.
  • FIG. 1 shows a conveyor 1, with which from a container 4, a disinfecting solution can be introduced into a pipe system 5 of a swimming pool.
  • a container 4 is supplied with granules of calcium hypochlorite and filled in the context of a filling with a certain amount of water.
  • a removal unit 3 is introduced into the container 4, which is connected to a pump unit 2.
  • the pump unit 2 comprises a feed pump 22 for removing the solution contained in the container 4 and forwarding it to the pipe system 5.
  • the forwarding takes place via an injection point 6, which is preferably carried out self-cleaning and thus deposits in the region of the outlet opening can be avoided.
  • the pump unit 2 will introduce gas into the container 4 via a second line of the extraction unit 3, which gas is introduced into the mixture of substances therein. This is thereby swirled, which leads to a uniform mixing.
  • a gas pump 25 provided for this purpose in the pump unit 2 draws in external air and pumps it via a gas line 26 into the container 4.
  • the container 4 or the removal unit 3 are not gas-tight and in this case offer a possibility for the escape of the introduced gas.
  • FIG. 2 shows the just-discussed pump unit 2 in a cross-sectional view, it being noted that the pump unit 2 in a common pump housing 20, a gas pump 25 and a feed pump 22 includes.
  • the feed pump 22 has a suction connection 23 to be connected to the removal unit, and a pressure connection 24 to be connected to the pipe system 5.
  • the feed pump 22 is controlled by the controller 21, whereby the gas pump 25 can also be controlled via this.
  • the gas pump 25 is generally operated continuously by means of the controller 21, so that a continuous mixing of the mixture present in the container 4 is ensured.
  • the gas pump 25 will have for introducing the gas into the mixture an intake manifold for outside air, which is not shown here. Via the gas line 26, the gas pump 25 supplies the removal unit 3 and thus the container 4 with a gaseous media flow from outside air.
  • FIG. 3 shows the to be connected to the pump unit 2 removal unit 3, which has a first container lid 30 to the completion of the container 4.
  • This comprises at least one gas outlet opening, not shown here, through which gas introduced into the container can escape.
  • container cover 30 By container cover 30 a plurality of lines are guided so that they can be connected from the outside. This is at least a suction line 31 and a gas line 32. Via the gas line 32, the outside air is introduced into the container 4, wherein the gas line 32 has a gas outlet opening 35 in the region of the lower end.
  • the FIG. 3 shows in this connection a return line to the connection for a safety overflow valve, wherein it is also readily possible to combine further gas lines 35 and / or suction lines 31 in a removal unit 3. Due to the turbulence generated by the introduced gas, the substance mixture will mix very homogeneously, in particular in the area of the gas outlet openings 35, so that via a mouth 34 of the suction line 31 a very uniform mixture of the substance mixture can be sucked.
  • the mouth 34 of the suction line 31 in this case has upwards, ie away from the ground, which is due to an arc section 33 at the lower end of the suction line 31. As a result, the mouth 34 is brought to some distance from the bottom of the container 4, so that there may form a sediment, which is not sucked by the suction line 31. Settling insoluble components from the calcium hypochlorite are not sucked in this way, so that an exposure of the pool water does not take place with these undesirable substances. After emptying the container except for this sediment, the sediment is returned together with the container 4 for disposal or reprocessing.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)

Claims (14)

  1. Procédé pour prélever un mélange de matières liquide dans un réservoir (4) à l'aide d'une unité de prélèvement (3), dans lequel, avant et/ou pendant l'opération de prélèvement, le mélange de matières est brassé a moyen d'un flux de fluide gazeux introduit dans le mélange de matières par une conduite de gaz (26) associée à l'unité de prélèvement (3),
    caractérisé en ce que l'unité de prélèvement (3) est associée à une unité de pompage (2) avec une pompe de transport (22), de préférence une pompe de dosage, par laquelle le mélange de matières est aspiré hors du réservoir par une conduite d'aspiration (31) qui plonge dans le mélange de matières.
  2. Procédé selon la revendication 1, caractérisé en ce que le brassage du mélange de matières au moyen du flux de fluide gazeux est commandé indépendamment de l'opération de prélèvement.
  3. Procédé selon l'une des revendications précédentes, caractérisé en ce que la conduite d'aspiration (31) présente à son extrémité libre une partie d'embouchure arquée qui retient l'embouchure (34) de la conduite d'aspiration (31) à distance du fond du réservoir (4) quand une partie en arc (33) de la partie d'embouchure arquée repose sur le fond du réservoir (4).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'unité de pompage (2) est associée, dans une même unité de construction, à une pompe à gaz supplémentaire (25) par laquelle du gaz, de préférence de l'air extérieur, est aspiré et introduit comme flux de fluide gazeux dans le mélange de matières.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'opération de prélèvement est précédée d'une opération de remplissage pendant laquelle une deuxième matière amenée par une unité de remplissage est ajoutée à la première matière qui se trouve dans le réservoir pour former le mélange de matières, un temps de mélange est ménagé après l'ajout de la deuxième matière et l'unité de remplissage est finalement remplacée par l'unité de prélèvement (3).
  6. Procédé selon la revendication 5, caractérisé en ce que l'unité de remplissage présente une partie de tuyau en forme de T, la deuxième matière étant transportée dans le réservoir (4) et des gaz de réaction s'échappant via un raccord du réservoir, les gaz de réaction étant évacués par une sortie de gaz située en face du raccord du réservoir et la deuxième matière étant amenée par un raccord d'arrivée.
  7. Procédé selon la revendication 6, caractérisé en ce que des gaz de réaction qui s'échappent par la sortie de gaz sont neutralisés au moyen d'un filtre à charbon actif interposé.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que le mélange de matières comprend des granulés de chlore, de préférence de l'hypochlorite de calcium, comme première matière et de l'eau comme deuxième matière et le mélange de matières prélevé est dosé au moyen d'une pompe de dosage dans l'eau d'une piscine ou d'un bassin de baignade.
  9. Installation de transport pour le prélèvement d'un mélange de matières hors d'un réservoir (4), comprenant une unité de pompage (2) avec une pompe de transport (22) et une unité de prélèvement (3) avec une conduite d'aspiration (31) reliée à la pompe de transport (22) et plongeant dans le mélange de matières, dans laquelle l'unité de pompage (2) est associée à une pompe à gaz supplémentaire (25) par laquelle du gaz, de préférence de l'air extérieur, est aspiré et introduit comme flux de fluide gazeux dans le mélange de matières,
    caractérisée en ce que la pompe de transport (22) et la pompe à gaz (25) forment une unité de construction disposée dans un corps de pompe (20), la conduite d'aspiration (31) et la conduite de gaz (32) étant réunies dans l'unité de prélèvement (3), de préférence entourées par une enveloppe extérieure.
  10. Installation de transport selon la revendication 9, caractérisée en ce que la pompe de transport (22) et la pompe à gaz (25) peuvent être commandées indépendamment l'une de l'autre.
  11. Installation de transport selon la revendication 9 ou 10, caractérisée en ce que la conduite d'aspiration (31) est associée à son extrémité libre à une partie en arc (33), de telle sorte que la direction d'entrée dans l'embouchure (34) de la conduite d'aspiration (31) forme avec le reste de la conduite d'aspiration (31) un angle de moins de 90°.
  12. Installation de transport selon l'une des revendications 9 à 11, caractérisée en ce que la conduite de gaz (32) est associée à une unité de sortie rotative qui détermine une direction de sortie variable du gaz hors de la conduite de gaz (32).
  13. Installation de transport selon l'une des revendications 9 à 12, caractérisée en ce que la pompe de transport (22) est une pompe de dosage, de préférence une pompe péristaltique ou une pompe à membrane.
  14. Installation de transport selon l'une des revendications 9 à 13, caractérisée en ce que la pompe à gaz (25) aspire de l'air extérieur et l'introduit dans le mélange de matières.
EP15192607.8A 2014-10-31 2015-11-02 Procédé et dispositif de transport destiné à prélever dans un récipient un mélange de matière liquide Active EP3015162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202014105235.6U DE202014105235U1 (de) 2014-10-31 2014-10-31 Fördereinrichtung zur Entnahme eines flüssigen Stoffgemischs aus einem Behälter
DE102014115917.9A DE102014115917A1 (de) 2014-10-31 2014-10-31 Verfahren und Fördereinrichtung zur Entnahme eines flüssigen Stoffgemischs aus einem Behälter

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EP3015162A1 EP3015162A1 (fr) 2016-05-04
EP3015162B1 true EP3015162B1 (fr) 2019-02-06

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CN111649239A (zh) * 2020-05-29 2020-09-11 新疆中泰纺织集团有限公司 粘胶纤维生产精练工序次氯酸钠输送装置及其使用方法
CN116006486B (zh) * 2023-03-28 2023-06-02 河北新启元能源技术开发股份有限公司 一种低能耗的高效风机

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Publication number Priority date Publication date Assignee Title
DE440800C (de) 1925-01-30 1927-02-17 Theodor Steen Verfahren und Vorrichtung zur chemischen und mechanischen Aufbereitung fester und fluessiger Stoffe
DE2553824A1 (de) 1975-11-29 1977-06-08 Patents & Dev As Fallrohr-vorrichtung

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