EP0666119A1 - Procédé et dispositif de nettoyage des récipients - Google Patents

Procédé et dispositif de nettoyage des récipients Download PDF

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Publication number
EP0666119A1
EP0666119A1 EP95100745A EP95100745A EP0666119A1 EP 0666119 A1 EP0666119 A1 EP 0666119A1 EP 95100745 A EP95100745 A EP 95100745A EP 95100745 A EP95100745 A EP 95100745A EP 0666119 A1 EP0666119 A1 EP 0666119A1
Authority
EP
European Patent Office
Prior art keywords
rinsing
container
phase
rinsing liquid
probe
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
EP95100745A
Other languages
German (de)
English (en)
Other versions
EP0666119B1 (fr
Inventor
Volker Dipl.-Ing. Till
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.)
GEA Till GmbH and Co
Original Assignee
GEA Till GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEA Till GmbH and Co filed Critical GEA Till GmbH and Co
Publication of EP0666119A1 publication Critical patent/EP0666119A1/fr
Application granted granted Critical
Publication of EP0666119B1 publication Critical patent/EP0666119B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking

Definitions

  • the invention relates to a method for cleaning containers, in particular drums or kegs, in which cleaning solution or the like is introduced into the container and then the container is rinsed out with a rinsing liquid, such as water or the like, and a device for carrying it out Procedure.
  • a rinsing liquid such as water or the like
  • containers are used which are usually referred to as barrels, in the beverage industry, especially when the valves are screwed in, also as kegs.
  • These containers are normally reusable containers that are returned to the filling plant for emptying at the customer's. Before the filling process, the containers must be cleaned to remove residues from the previous filling or other impurities.
  • the beverage industry as a sub-area of the food industry, particularly high demands are placed on the degree of purity of the containers.
  • the cleaning is usually carried out first with a pre-rinse to remove the coarsest residues and then with a rinse with cleaning liquor or the like, with a high chemical content also removing stubborn contaminants.
  • a final rinse liquid usually water
  • This rinsing process conventionally takes place over a fixed period of time, after which it is certain that the container is again completely free of chemicals.
  • the rinsing is carried out over a considerably longer period of time than would normally be required to clean the container. The resulting additional water consumption is accepted for safety reasons.
  • a conventional pH measuring cell takes a considerably longer time to drop from a pH value 14 to a pH value 7 than is actually required for the rinsing process.
  • the reaction speed of conventional pH measuring cells is therefore not sufficient to control the rinsing process when cleaning the containers.
  • the object of the invention is therefore to improve the cleaning of containers in such a way that the liquid consumption during rinsing is reduced.
  • the container is rinsed out in several rinsing phases and in a first or subsequent rinsing phase the container is rinsed out with rinsing liquid, which in a previously cleaned container in a second or subsequent rinsing phase was used.
  • rinsing liquid which in a previously cleaned container in a second or subsequent rinsing phase was used.
  • the container is rinsed out in two rinsing phases.
  • the first rinsing phase the maximum amount of residual liquor is rinsed out of the barrel, while in the second rinsing phase, the duration of which can, for example, correspond to the time period previously set as the safety time, only the remaining chemical concentration, if any, is rinsed out. Since the previously estimated safety time roughly corresponds to the normally necessary rinse time, the provision of the second rinse phase can halve the rinse liquid consumption.
  • the invention provides that the container is rinsed out with fresh water in the last rinsing phase.
  • a control of the cleaning process is made possible in a preferred embodiment of the invention in that the rinsing liquid flowing out of the container, in particular during the last rinsing phase, is passed over a pH value probe. Since the cleaning liquor is already largely removed from the container in the last rinsing phase, the pH value probe no longer needs to rise to a high pH value of 14, for example, in order to subsequently drop back to a pH value of 7, but merely has to decrease move in a range of pH values between 9 and 7, for example. In this area the reaction speed of a pH measuring cell is sufficiently high to drop to a pH value of 7 largely at the same time as the cleaning process.
  • the electrical conductivity of the rinsing liquid flowing out of the container, in particular during the last rinsing phase can also be determined.
  • the supply of rinsing liquid is stopped as soon as a predetermined pH value, electrical conductivity or the like is determined. This ensures that no unnecessary rinse liquid is used.
  • the outflowing rinsing liquid of a second or subsequent rinsing phase is expediently collected in a container and fed from there to another container for carrying out a preceding rinsing phase. This creates a buffer that can be used to compensate for temporary failures or downtimes of individual stations in a bottling plant.
  • the outflowing rinsing liquid of a rinsing phase is passed through a first valve into a drainage channel or the like and only after a predetermined time, quantity or the like parameters is passed through a second valve to the pH value probe or the like . This enables a smooth transition between the individual rinsing phases.
  • a device for carrying out the method according to the invention has, for example, a return channel for the rinsing liquid flowing out of the rinsed container and one Containers to hold the outflowing rinse liquid.
  • a first valve via which the return channel can be connected to an outflow channel
  • a second valve via which the return channel can be connected to a pH value probe or the like, are arranged in the return channel.
  • the pH value probe or the like is connected to the controller for the supply of the rinsing liquid.
  • the supply of the rinsing liquid can be interrupted when a predetermined pH value or the like is reached.
  • a first rinsing phase is carried out, while a second or subsequent rinsing phase is carried out in the case of a second container shown in the drawing on the right, in particular a keg 2.
  • the rinsing liquid in particular water, is fed to the second keg 2 for the second or subsequent rinsing phase via a supply line 3 and a riser pipe 4, which extends from a valve 5 in one end of the keg 2 to close to the bottom 6 of the keg 2.
  • a riser pipe 4 which extends from a valve 5 in one end of the keg 2 to close to the bottom 6 of the keg 2.
  • the course of the rinse liquid when it is injected into the second keg 2 is shown in the drawing by arrows.
  • the rinsing liquid flows out via outlet openings 7 into a return channel 8, which leads to a collecting container 9. From the container 9, the rinse liquid is fed to the first keg 1 via a pump 10 and a further feed line 11 for carrying out the first rinsing phase.
  • the first keg 1 is constructed in exactly the same way as the second keg 2 described above.
  • the course of the rinsing liquid is also indicated here by arrows.
  • the rinsing liquid flowing out of the first keg 1 is fed via a drain channel 13 to a wastewater or treatment system, not shown.
  • a pH value probe 12 for determining the pH value of the rinsing liquid flowing out of the second keg 2 is arranged in the return channel 8 of the second keg 2.
  • other measuring devices for determining the neutrality of the outflowing rinsing liquid can also be provided, for example a device for determining the electrical conductivity.
  • the reusable containers returning to the filling plant for refilling must first be cleaned before the filling process.
  • the coarsest residues of the pre-filling or other impurities are first removed in a pre-rinse cycle.
  • the reusable containers are then rinsed with a cleaning solution that also removes stubborn dirt.
  • the cleaning liquor has a relatively high chemical content, so that before the containers are refilled, it must be ensured that the containers are completely free of chemicals. According to the invention, this is done by rinsing in several rinsing phases.
  • a first rinse phase the majority of the cleaning liquor is rinsed out of the containers, especially kegs, thus considerably reducing the chemical concentration.
  • the rinsing liquid flowing out of the kegs during the first rinsing phase is fed to a waste water and / or a reprocessing system.
  • a second rinse phase the keg, in FIG. 1 keg 2, is rinsed with fresh water. Since the chemical concentration is already relatively low during the second rinsing phase, the rinsing liquid flowing off during this rinsing phase can be used to carry out a first rinsing phase in another container, in particular the first keg 1. This reuse of the rinsing liquid from the second rinsing phase can significantly reduce water consumption.
  • the rinsing liquid flowing out of the second keg 2 is fed to the container 9 via the return channel 8.
  • the pH value of the outflowing rinse liquid is determined via the pH value probe 12 arranged in the return channel.
  • the pH value probe 12 shows a neutral value (pH 7)
  • the rinsing process can be ended since all chemicals have been removed from the keg 2.
  • the safety time previously required to ensure complete freedom from chemicals can thus be reduced to what is really necessary, which further reduces water consumption.
  • the pH probe 12 can now be used to control the rinsing process, since the initial concentration of chemicals is already relatively low at the beginning of the second rinsing phase, so that the pH probe 12 does not have to rise to a relatively high pH before it increases the neutral value drops.
  • the rate of reaction of the pH probe 12 when it drops from a pH of, for example, 9 to a pH of 7 corresponds approximately to the rate of reduction of the chemical concentration in the rinse liquid.
  • the rinsing liquid from the second keg 2 collected in the container 9 is fed to the first keg 1 via the pump 10 and the feed line 11 in order to carry out the first rinsing phase. Since the original chemical concentration of a keg that has not yet been rinsed out is significantly higher than that of the rinsing liquid flowing out of the keg 2 during a second rinsing phase, the majority of the residual liquor can also be rinsed out of the first keg 1 with the reused rinsing liquid and the chemical concentration can be largely reduced.
  • the time period usually regarded as the safety time which is approximately as long as the necessary time period, the water consumption can be reduced by up to 50% by the cascade connection according to the invention.
  • the rinsing of the kegs 1, 2 is preferably carried out in two rinsing phases. Of course, however, more rinsing phases can also be provided, the rinsing liquid flowing out of the second keg 2 during a subsequent rinsing phase being reused in a preceding rinsing phase of the first keg 1. Fresh water should only be used during the last rinsing phase.
  • a first valve 16 and a second valve 17 are arranged in a return channel 15.
  • the return duct 15 can be connected to a discharge duct 18, which leads to the waste water or treatment system.
  • the return channel 15 can be connected to a pH value probe 19 or the like, via which the outflowing rinsing liquid is fed to another keg or also to the waste water or treatment system for reuse in a previous rinsing phase.
  • the first valve 16 When the keg 14 is rinsed out, the first valve 16 is open and the second valve 17 is closed during the first rinsing phase, the duration of which corresponds, for example, to the time required to remove conventional chemical concentrations. During this first rinsing phase, the outflowing rinsing liquid is therefore fed to the waste water or treatment system. After a predetermined period of time, flow rate or the like. The first valve 16 is closed and the second Valve 17 opened. The rinsing liquid now flowing therefore flows over the pH probe 19, so that, as described above, it can be determined when the rinsing liquid flowing off is neutral, ie free of chemicals.
  • the pH value probe 19 is connected to the control of the rinsing process, so that the rinsing process can be ended when the neutral value is reached.
  • the rinsing liquid flowing off during the second rinsing phase can either also be fed to the wastewater or treatment system or, if a reuse in the sense described above is intended, to a further keg for carrying out a preceding rinsing phase.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)
EP95100745A 1994-02-02 1995-01-20 Procédé et dispositif de nettoyage des récipients Expired - Lifetime EP0666119B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4403141A DE4403141C2 (de) 1994-02-02 1994-02-02 Verfahren und Vorrichtung zur Reinigung von Gebinden
DE4403141 1994-02-02

Publications (2)

Publication Number Publication Date
EP0666119A1 true EP0666119A1 (fr) 1995-08-09
EP0666119B1 EP0666119B1 (fr) 1998-05-20

Family

ID=6509276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100745A Expired - Lifetime EP0666119B1 (fr) 1994-02-02 1995-01-20 Procédé et dispositif de nettoyage des récipients

Country Status (5)

Country Link
EP (1) EP0666119B1 (fr)
AT (1) ATE166257T1 (fr)
DE (2) DE4403141C2 (fr)
DK (1) DK0666119T3 (fr)
ES (1) ES2117807T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105642630A (zh) * 2016-03-31 2016-06-08 南京乐惠轻工装备制造有限公司 一种啤酒桶清洗阀
IT201700081876A1 (it) * 2017-07-19 2019-01-19 Gruppo Bisaro Sifa Srl Dispositivo e procedimento per lavare contenitori per liquidi alimentari o filtri per bevande fermentate.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1001158C2 (nl) * 1995-09-08 1997-03-11 Maasland Nv Werkwijze voor het reinigen van een melkleidingstelsel.
DE102013000522A1 (de) * 2013-01-15 2014-07-17 Khs Gmbh Verfahren sowie Anlage zur Behandlung von KEGs
DE102019130127B3 (de) * 2019-11-08 2020-11-12 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Verfahren zum Reinigen eines Wirkstofftanks

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094329A (en) * 1977-05-27 1978-06-13 Evans Grover C Apparatus for washing and sanitizing containers
DE3424711A1 (de) * 1984-07-05 1986-02-06 Lang Apparatebau GmbH, 8227 Siegsdorf Verfahren zum regeln einer reinigungsanlage und vorrichtung zum durchfuehren des verfahrens
WO1992010314A1 (fr) * 1990-12-07 1992-06-25 Golden Technologies Company, Inc. Procede de finissage de surfaces metalliques avec du terpene

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2943110C2 (de) * 1979-10-25 1986-03-06 Holstein Und Kappert Gmbh, 4600 Dortmund Verfahren und Vorrichtung zur Reduzierung des Frischwasserverbrauches von Flaschenreinigungsmaschinen
DE3628165C2 (de) * 1986-08-22 1996-10-10 Till Gea Gmbh & Co Verfahren zum Reinigen von Gebinden
DE9310151U1 (de) * 1993-07-08 1993-09-16 Holstein & Kappert Maschf Flaschenreinigungsmaschine mit mehreren hintereinander angeordneten Behandlungsabteilungen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094329A (en) * 1977-05-27 1978-06-13 Evans Grover C Apparatus for washing and sanitizing containers
DE3424711A1 (de) * 1984-07-05 1986-02-06 Lang Apparatebau GmbH, 8227 Siegsdorf Verfahren zum regeln einer reinigungsanlage und vorrichtung zum durchfuehren des verfahrens
WO1992010314A1 (fr) * 1990-12-07 1992-06-25 Golden Technologies Company, Inc. Procede de finissage de surfaces metalliques avec du terpene

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105642630A (zh) * 2016-03-31 2016-06-08 南京乐惠轻工装备制造有限公司 一种啤酒桶清洗阀
IT201700081876A1 (it) * 2017-07-19 2019-01-19 Gruppo Bisaro Sifa Srl Dispositivo e procedimento per lavare contenitori per liquidi alimentari o filtri per bevande fermentate.

Also Published As

Publication number Publication date
ATE166257T1 (de) 1998-06-15
ES2117807T3 (es) 1998-08-16
DE59502197D1 (de) 1998-06-25
EP0666119B1 (fr) 1998-05-20
DE4403141A1 (de) 1995-08-03
DK0666119T3 (da) 1999-03-15
DE4403141C2 (de) 1999-01-14

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