EP0666119B1 - Verfahren und Vorrichtung zur Reinigung von Gebinden - Google Patents

Verfahren und Vorrichtung zur Reinigung von Gebinden Download PDF

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Publication number
EP0666119B1
EP0666119B1 EP95100745A EP95100745A EP0666119B1 EP 0666119 B1 EP0666119 B1 EP 0666119B1 EP 95100745 A EP95100745 A EP 95100745A EP 95100745 A EP95100745 A EP 95100745A EP 0666119 B1 EP0666119 B1 EP 0666119B1
Authority
EP
European Patent Office
Prior art keywords
rinsing
container
phase
probe
rinsing liquid
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.)
Expired - Lifetime
Application number
EP95100745A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0666119A1 (de
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/de
Application granted granted Critical
Publication of EP0666119B1 publication Critical patent/EP0666119B1/de
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 Container according to the preamble of claim 1 and one Device for performing such a method according to the Preamble of claim 6.
  • the cleaning is usually done first with a Pre-rinse to remove the coarsest residues and after with a rinse with detergent solution or the like, whereby by a high chemical content even stubborn contaminants be eliminated.
  • a rinse liquid usually rinsed with water. This rinsing process takes place conventionally over a fixed period of time after which one is certain that the container is completely chemical-free again is.
  • the rinsing is however performed for a significantly longer period of time than they would normally be required to clean the container. The resulting additional water consumption is eliminated Accepted security reasons.
  • US 4 094 329 describes a device for cleaning and Sanitizing Containers.
  • the containers in washed out several stages with a cleaning solution and then rinsed with rinsing liquid to make the cleaning solution again completely to remove from the containers.
  • For Saving rinse liquid is provided that the Rinse water is used several times, being in the primary and Final rinse zones collected and in four previous Zones, namely in the primary rinsing zone, as a preparation liquid in the washing zone, in a prewash zone and in a pre-wash zone is reused.
  • a check of the rinsing liquid flowing out of the container on chemical freedom to control the Rinsing process, for example by means of a pH measuring device or the like. is only possible to a limited extent at the moment.
  • the usually as Alkali used in cleaning liquid have concentrations from 1.5 to 2.5% and thus a pH of 14 on.
  • this pH value is also reached when the Cleaning solutions are rinsed out of the container so far that the rinsing liquid draining off only a residual concentration of about 0.4%. Only when falling below At this concentration, the pH value drops rapidly. Is the Rinsing process ended, a pH of 7 (neutral value) reached.
  • a conventional pH measuring cell takes a significantly longer time to get from one pH 14 to drop to pH 7 than for the Rinsing process is actually needed. The reaction speed conventional pH measuring cells are therefore not sufficient to rinse the container Taxes.
  • the differential value measurement is a very complex Construction with at least three elements, namely two measuring probes and a differential measuring device, is also required here even with a large approximation of the measured Conductivity values only after the end of the rinse phase a certain delay or follow-up time is provided. This is necessary because the conductivity measurements in the supply and Process carried out during the entire cleaning cycle will. However, the response time of the measuring probe is not sufficient from following its decrease to the chemical concentration, what the above lag time and the associated superfluous Liquid consumption is necessary.
  • the object of the invention is therefore the cleaning of containers to improve in that the fluid consumption at Rinsing is further reduced.
  • Control of the cleaning process is made possible by that especially during the last rinsing phase Rinsing liquid flowing out of the container via a pH value probe to be led. Because in the last rinsing phase The cleaning solution has already been largely removed from the container the pH probe no longer needs to have a high pH from e.g. 14 to then rise again a pH value of 7, but only has to drop in a range of pH values between 9 and 7, for example. In this area the reaction speed of a pH measuring cell is sufficient large to largely coincide with the cleaning process to drop a pH of 7.
  • Alternative to pH measurement can, as in a further embodiment of the Invention also provided the electrical conductivity of the especially during the last rinsing phase from the container flowing rinse liquid can be determined. Since the Rinse aid flow is stopped as soon as one predetermined pH value, electrical conductivity or the like is determined, it is ensured that no unnecessary Rinse liquid is consumed.
  • this is done Rinsing the container in two rinsing phases.
  • the first Rinsing phase the maximum of residual liquor is rinsed out of the barrel, while in the second rinse phase, the duration of which, for example, the previous can correspond to the time period set as the safety time, only the remaining chemical concentration, if any is rinsed out. Because the previously estimated security time corresponds approximately to the normally necessary rinse time, can by the provision of the second rinsing phase of the rinsing liquid consumption be halved.
  • the container in the last rinsing phase the container is rinsed with fresh water.
  • the rinsing liquid flowing off is expediently a second or subsequent rinsing phase in a container collected and from there to carry out a previous one Rinsing phase fed to another container. So that becomes a Buffer created over the temporary failures or Downtimes of individual stations in a bottling plant compensated can be.
  • a device for performing the invention has the features of claim 6.
  • the pH probe or the like is connected to the Control for the supply of rinse liquid connected. This means that when a pre-determined pH value is reached or the like.
  • the supply of the rinsing liquid automatically to be interrupted.
  • a first rinsing phase is carried out, while one shown in the drawing on the right second container, in particular a keg 2, a second or subsequent rinsing phase is carried out.
  • the rinsing liquid is the second keg 2, in particular Water, for the second or subsequent rinsing phase via a Supply line 3 and a riser pipe 4 supplied by a valve 5 in one end of the keg 2 to close to the bottom 6 of the keg 2 is sufficient.
  • the course of the rinse liquid when injected into the second keg 2 is in the Drawing represented by arrows.
  • the rinsing liquid flows into an outlet openings 7 Return channel 8 from which leads to a collection container 9.
  • Out the rinsing liquid is the container 9 via a pump 10 and a further supply line 11 to the first keg 1 Carried out the first rinsing phase.
  • the first keg 1 has the same structure as that described above second keg 2. Here too is the course of the Rinse liquid indicated by arrows.
  • the rinsing liquid flowing out of the first keg 1 becomes via a drain channel 13 a sewage or not shown Processing system fed.
  • a pH probe 12 to determine the pH value from the second rinse 2 flowing rinsing liquid.
  • other measuring devices can also be used to determine the neutrality of the draining Rinse liquid can be provided, for example a device to determine the electrical conductivity.
  • a second rinse phase the keg, in FIG. 1 keg 2, rinsed with fresh water. Because the chemical concentration is already relatively low during the second rinsing phase the rinsing liquid flowing off during this rinsing phase to carry out a first rinsing phase in another Containers, especially the first keg 1, can be used. By this reuse of the rinse liquid of the second Rinsing phase, water consumption can be significantly reduced.
  • the rinse liquid flowing out of the second keg 2 becomes fed to the container 9 via the return channel 8.
  • About the pH value probe 12 arranged in the return channel becomes the pH value the outflowing rinse liquid is determined.
  • the pH value probe 12 indicates a neutral value (pH 7)
  • the Rinsing process should be ended because all chemicals from the Keg 2 are removed. The previously required security time This can guarantee a complete absence of chemicals be reduced to what is really necessary, which means water consumption is further reduced.
  • the pH probe 12 can now be used to control the rinsing process be used since the initial concentration Chemicals at the beginning of the second rinse phase is relatively low, so that the pH probe 12 does not first must rise to a relatively high pH before moving on to it Neutral value drops.
  • the reaction rate of the pH probe 12 when falling from a pH value of 9, for example a pH value of 7 roughly corresponds to the rate of reduction the chemical concentration in the rinse liquid.
  • the rinse liquid collected in the container 9 from the second keg 2 is via the pump 10 and the feed line 11 the first keg 1 to carry out the first rinsing phase fed. Since the original chemical concentration is one not yet rinsed kegs is significantly higher than that of the flowing out of the keg 2 during a second rinsing phase Rinse liquid, can also be used with the reused Rinse liquid the majority of the residual liquor from the first Keg 1 rinsed out and the chemical concentration largely be reduced.
  • Time period usually considered as safety time the is about the same length of time as necessary by the cascade connection according to the invention Reduce water consumption by up to 50%.
  • the kegs 1, 2 are preferably rinsed in two Rinsing phases.
  • more rinsing phases can also be carried out be provided, being in a previous rinsing phase of the first keg 1 each during a subsequent one Rinse phase from the second rinsing liquid flowing out of the second keg 2 is reused. Only the last one Fresh water rinse phase is to be used.
  • FIG. 1 In the second embodiment shown in FIG Invention is otherwise like the first and second Kegs 1, 2 constructed keg 14 provided that in one Return channel 15 a first valve 16 and a second valve 17 are arranged.
  • the return channel is via the first valve 16 15 connectable to a drain channel 18 which to the Wastewater or treatment system leads.
  • About the second Valve 16 is the return channel 15 with a pH probe 19 or the like. Can be connected via which the outflowing rinsing liquid for reuse in a previous one Rinsing phase another keg or also the wastewater or Processing system is fed.
  • the first valve 16 When rinsing the keg 14 during the first rinsing phase, the duration of which, for example, is that used to remove the usual chemical concentrations corresponds to the necessary time, the first valve 16 opened and the second valve 17 closed. During this The first rinsing phase is therefore the rinsing liquid that flows off fed to the wastewater or treatment system. After a predetermined period of time, discharge amount or the like. The first valve 16 is closed and the second parameter Valve 17 opened. The rinse liquid that is now flowing away therefore flows through the pH probe 19, so that as above described can be determined when the outflowing Rinse liquid neutral, i.e. is chemical free.
  • the pH probe 19 is with the control of the rinse process connected so that the rinsing process is reached when the neutral value is reached can be ended.
  • Flushing rinse liquid can either also Sewage or treatment system or if re-use is intended in the sense described above, another keg to carry out a previous one Rinsing phase are supplied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP95100745A 1994-02-02 1995-01-20 Verfahren und Vorrichtung zur Reinigung von Gebinden Expired - Lifetime EP0666119B1 (de)

Applications Claiming Priority (2)

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

Publications (2)

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

Family

ID=6509276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100745A Expired - Lifetime EP0666119B1 (de) 1994-02-02 1995-01-20 Verfahren und Vorrichtung zur Reinigung von Gebinden

Country Status (5)

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

Families Citing this family (5)

* 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
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.
DE102019130127B3 (de) 2019-11-08 2020-11-12 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Verfahren zum Reinigen eines Wirkstofftanks

Family Cites Families (6)

* 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
DE2943110C2 (de) * 1979-10-25 1986-03-06 Holstein Und Kappert Gmbh, 4600 Dortmund Verfahren und Vorrichtung zur Reduzierung des Frischwasserverbrauches von Flaschenreinigungsmaschinen
DE3424711A1 (de) * 1984-07-05 1986-02-06 Lang Apparatebau GmbH, 8227 Siegsdorf Verfahren zum regeln einer reinigungsanlage und vorrichtung zum durchfuehren des verfahrens
DE3628165C2 (de) * 1986-08-22 1996-10-10 Till Gea Gmbh & Co Verfahren zum Reinigen von Gebinden
WO1992010314A1 (en) * 1990-12-07 1992-06-25 Golden Technologies Company, Inc. Method for finishing metal surfaces with terpene
DE9310151U1 (de) * 1993-07-08 1993-09-16 Holstein und Kappert AG, 44143 Dortmund Flaschenreinigungsmaschine mit mehreren hintereinander angeordneten Behandlungsabteilungen

Also Published As

Publication number Publication date
DE4403141A1 (de) 1995-08-03
DE4403141C2 (de) 1999-01-14
ATE166257T1 (de) 1998-06-15
ES2117807T3 (es) 1998-08-16
EP0666119A1 (de) 1995-08-09
DK0666119T3 (da) 1999-03-15
DE59502197D1 (de) 1998-06-25

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