EP0705208B1 - Method and apparatus for cleaning refuse bins - Google Patents

Method and apparatus for cleaning refuse bins Download PDF

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Publication number
EP0705208B1
EP0705208B1 EP94919696A EP94919696A EP0705208B1 EP 0705208 B1 EP0705208 B1 EP 0705208B1 EP 94919696 A EP94919696 A EP 94919696A EP 94919696 A EP94919696 A EP 94919696A EP 0705208 B1 EP0705208 B1 EP 0705208B1
Authority
EP
European Patent Office
Prior art keywords
waste
dumpster
waste container
container truck
cleaning
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
EP94919696A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0705208A1 (en
Inventor
Pekka LEHTIMÄKI
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.)
HYDEX Oy
Original Assignee
HYDEX Oy
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 HYDEX Oy filed Critical HYDEX Oy
Publication of EP0705208A1 publication Critical patent/EP0705208A1/en
Application granted granted Critical
Publication of EP0705208B1 publication Critical patent/EP0705208B1/en
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
    • B08B9/0821—Handling or manipulating containers, e.g. moving or rotating containers in cleaning devices, conveying to or from cleaning devices
    • B08B9/0826—Handling or manipulating containers, e.g. moving or rotating containers in cleaning devices, conveying to or from cleaning devices the containers being brought to the cleaning device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F7/00—Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles
    • B65F7/005—Devices, mounted on refuse collecting vehicles, for cleaning or disinfecting refuse receptacles

Definitions

  • the present invention relates to a method and an apparatus in waste collection effected by means of a waste container truck, wherein
  • the described process is relatively slow as the waste container truck must always wait for the conclusion of a washing operation since, naturally, the process can only be applied by making sure that the dumpster is empty when the washing is performed. Thus, the waste container truck is not able to exploit its full capacity.
  • the above procedural drawbacks have further led to the problematic situation that dumpsters will be washed quite infrequently even if there is an apparent need for washing.
  • the need for washing dumpsters has increased especially for the reason that the assortment of e.g. biowaste has been undertaken more extensively into separate dumpsters whereby, for hygienic and especially for deodorization reasons, the need for washing has considerably increased particularly during warm seasons.
  • a waste container truck is known from EP-A-0502563 and has an arm arrangement at the rear thereof to engage a rubbish container or dumpster and empty this into the waste receiving space within the truck.
  • a waste container truck is also known DK-C-0080459 and comprises a container for collecting refuse and means for cleaning the interior of a refuse bin after it has been emptied.
  • the used cleaning agent is cleaned and recirculated so that it can be reused.
  • An object of this invention is to introduce a method and an apparatus which are capable of most effectively eliminating the above-described drawbacks and, thus, of improving the current state of the art.
  • This object is solved according to the present invention by a method comprising the features of claim 1 and an apparatus comprising the features of claim 5.
  • the method is applied in a waste container truck which is provided with a per se known waste bin or a like for receiving the waste coming from a dumpster prior to delivering such waste from the waste bin into a waste container, whereby
  • the method is based on the feature that a waste container truck is provided with a cleaning agent for cleaning at least the interior of a dumpster immediately after dumping it and not until after this cleaning operation is the dumpsater replaced in its location.
  • both the operation for dumping a dumpster and at least the internal cleaning of a dumpster are performed immediately one after the other and not until after this is the dumpster replaced in its location. It is obvious that the above comprehensive method is first of all capable of achieving substantial savings in investments as well as in personnel expenses. It should also be noted that the level of hygiene rises and the odour problems are reduced substantially as the dumpster can be washed at least over its interior part at a sufficient frequency, if necessary, even after each dumping operation in a speedy and reliable fashion.
  • the invention also relates to an apparatus used in waste collection as defined in claim 5.
  • the above-described apparatus is capable of offering the previously explained procedural benefits.
  • a dumpster 1 to be dumped is lifted in Fig. 1 to a dumping position by means of actuators 2 serving as elements for grabbing a dumpster and for setting the same in a dumping position and the dumpster is dumped into a waste container 7 included in a garbage truck.
  • actuators 2 serving as elements for grabbing a dumpster and for setting the same in a dumping position and the dumpster is dumped into a waste container 7 included in a garbage truck.
  • the dumping is followed by turning nozzle assemblies 4, 8a and 8b, which are mounted in connection with a dumpster supporting bracket 3 included in the vehicle and which, together with body assemblies essentially associated therewith, provide a washing agent supply unit 23 (Fig. 5), to a washing position in such a manner that washing operations of the dumpster 1 can be performed through the nozzle assemblies 4, 8a, 8b.
  • the dumpster 1 is in the same position as it was during the dumping of waste, in other words carried by the actuators 2 and supporting bracket 3 in such a manner that the mouth opening of said dumpster 1 is directed obliquely down towards a waste bin included in the waste container truck.
  • a solvent unit 5 fitted in connection with a waste container truck and containing a solvent pumping unit, is operated for delivering the solvent used for preliminary washing by way of tubes and hoses 6 included in a pipe system to a first nozzle assembly 8a.
  • the solvent atomizes and sprays as a mist onto the interior walls of a dumpster 1.
  • Fig. 2 depicts the actual washing operation constituting a second sequence in practicing the method.
  • the waste container truck is provided with a power unit 9, including a smallish water tank 9a and a high-pressure water pump 9b.
  • Water is delivered from the water tank 9a included in the power unit 9 by way of tubes and hoses 13 included in a pipe system to a second nozzle assembly 4.
  • the water is sprayed at a high pressure through the nozzle assembly 4 into the interior of a dumpster to be washed.
  • the spent washing water flows from the dumpster 1 into a waste bin 14 included in the waste container truck, i.e. into a pocket that receives the waste coming from the dumpster 1 for advancing it into the waste container 7.
  • a washing agent flow communication (Fig. 7), e.g. by means of a closeable and openable port system or a like, included in the waste bin and set in communication with the water receiver 15.
  • Fig. 7 a washing agent flow communication
  • a port system 28 is included in each flank of the waste bin 14 at the vertically lowest points in vertical side surfaces 32 of said waste bin 14. Ports 28a included in the port system 28 (Fig.
  • FIG. 7 depicts the construction at one of the flanks) are both provided with a flap 29, serving as a closure means and connected to the rod of a piston 31 included in a pressurized-medium operated cylinder-piston assembly 10.
  • the port system 28 is opened by shifting said piston 31 to the left in Fig. 7, which depicts the port system 28 in a closed position.
  • the water receiver 15 is likewise arranged to include two sections, said sections being connected to hoses or tubes 16a which are connected to a filter pump 18.
  • the most important feature in the construction is that the waste bin can operate normally as a waste collection floor as well as in the passage of waste into the waste container.
  • the washing agent is vacuumed by means of the filter pump 18 by way of hoses and tubes 16a, 16b included in the pipe system as well as through filters 17 and 19 back into the water tank 9a for reuse.
  • the apparatus for applying the method comprising an internal recycling system as well as a filter assembly for the washing agent purification constituted by the filters 17 and 19.
  • Fig. 3 depicts the final or a third sequence included in the washing operation.
  • the waste container truck is fitted with a disinfectant tank 21, which includes a disinfectant pumping unit and which is used for carrying the disinfectant to a third nozzle assembly 8b by way of tubes and hoses 22 included in the pipe system.
  • the disinfectant atomizes and sprays in the form of a mist onto the internal walls of the dumpster 1.
  • the actuators 2 can be operated for lowering the dumpster down on the ground at least in the proximity of its location, to which it can be maneuvered manually.
  • Fig. 4 depicts yet a situation, wherein just the filter pump 18 is in operation for vacuuming the spent washing water and/or excessive disinfectant possibly retained in the waste bin 14 back into the tank 9a.
  • the solid line indicates the part of a pipe system or a like in active operation in this particular sequence, while the other sections of a pipe system are indicated by dashed lines.
  • a method of the invention is characterized in that the cleaning is performed with a cleaning agent which is placed in connection with a waste container truck apart from the waste held in the waste container 7.
  • a cleaning agent used in cleaning is essentially replaced in connection with a waste container truck apart from the waste held in the waste container 7. Also the fact that the cleaning agent to be returned in connection with a waste container truck is cleaned for reuse is an essential feature in the invention.
  • an apparatus of the invention comprises a container assembly, including a solvent unit 5, a water tank 9a, and a disinfectant unit 21.
  • the apparatus comprises also a washing agent supply unit 23, including nozzle assemblies 4, 8a and 8b.
  • the apparatus includes a water receiver 15 serving as a washing agent receptacle and a filtering assembly 17, 18, 19.
  • the apparatus comprises a pipe system or a like for carrying the components of a washing agent from the container assembly 5, 9a, 21 to the washing agent supply unit to be sprayed into the dumpster 1 through the nozzle assembly intended for that particular component.
  • the pipe system also includes a section of said pipe system for carrying the spent washing agent through the filtering assembly from the washing agent receptacle 15 into the container assembly, especially into the water tank 9a, for reuse.
  • the washing agent supply unit 23 is mounted on a supporting bracket 3 having the configuration of a U-shaped girder whose upper edge is fitted with a gear assembly 20, 26 (Figs. 1 and 6) abutting against the upper edge of a dumpster in the operating position of said supporting bracket 3.
  • the washing agent supply unit 23 is adapted to be rotatable by means of rotating elements (not shown) between the legs of the downwardly opening U-shape of said supporting bracket 3 and can be rotated relative to the supporting bracket 3 to an active position shown in Figs. 5 and 6, whereby all three nozzle assemblies 4, 8a, 8b included in the washing agent supply unit are able to perform the actions included in a required washing cycle.
  • the first and second 8a, 8b are mounted on the mid-section of a supporting arm 27 fitted between the legs of the U-shaped supporting bracket 13 to be rotatable around its longitudinal axis.
  • said washing agent supply unit 23 finds such a location relative to the mouth opening of a dumpster so as not to prevent the dumping operation of the contents of a dumpster into the waste bin 14.
  • the second washing liquid nozzle assembly 4 it can be said to comprise an arched tubular profile, mounted in connection with the supporting arm 27 and having its wall provided with a perforation 25 or individual nozzles for producing liquid jets, especially water jets (VS Fig. 6) over a wide periphery along the length of the entire tubular profile.
  • Fig. 6 depicts an embodiment for the washing agent supply unit 23 comprising two parallel nozzle assembly units 4, 8a, 8b.
  • This type of assembly can be used in garbage truck constructions that are capable of dumping simultaneously two dumpsters side by side.
  • washing agent in this context refer definitely to all those component agents that are used in the overall cleaning process, e.g. just drying air.
  • the location refers to a place where a dumpster is normally positioned for receiving waste, e.g. within the yard area or by the roadside.
  • the washing agent supply unit 23 can also be constructed fixedly relative to the supporting bracket 3 in such a way, however, that the supply unit does not prevent the unloading of waste from a dumpster but allows an unimpeded cleaning operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Processing Of Solid Wastes (AREA)
  • Cleaning In General (AREA)
  • Refuse Collection And Transfer (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Refuse-Collection Vehicles (AREA)
EP94919696A 1993-07-02 1994-06-27 Method and apparatus for cleaning refuse bins Expired - Lifetime EP0705208B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI933050A FI95454C (fi) 1993-07-02 1993-07-02 Menetelmä ja laitteisto jätesäiliöautolla tapahtuvassa jätteiden keräilyssä
FI933050 1993-07-02
PCT/FI1994/000289 WO1995001295A1 (en) 1993-07-02 1994-06-27 Method and apparatus for cleaning refuse bins

Publications (2)

Publication Number Publication Date
EP0705208A1 EP0705208A1 (en) 1996-04-10
EP0705208B1 true EP0705208B1 (en) 1998-12-30

Family

ID=8538261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94919696A Expired - Lifetime EP0705208B1 (en) 1993-07-02 1994-06-27 Method and apparatus for cleaning refuse bins

Country Status (7)

Country Link
EP (1) EP0705208B1 (fi)
AT (1) ATE175168T1 (fi)
AU (1) AU7075294A (fi)
DE (1) DE69415670T2 (fi)
DK (1) DK0705208T3 (fi)
FI (1) FI95454C (fi)
WO (1) WO1995001295A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301022A (en) * 1995-05-24 1996-11-27 Binbusters Apparatus for cleaning containers
DE69921015T2 (de) * 1998-05-22 2006-02-16 Lorenzo Schia Verfahren zur Desinfizierung und zur Deodorisierung von Abteilungen, Vorrichtung zum Ausführen des Verfahrens
ES2169979B2 (es) * 1999-11-30 2003-08-01 Ros Roca Sa Sistema para el lavado de contenedores aplicable a los vehiculos destinados a ello.
SE516839C2 (sv) 2001-03-01 2002-03-12 Eleiko Sanera Ab Förfarande och anordning vid rengöring av sopkärl, samt mellanlagring av eventuella sopor under tiden för rengöringen
GB2458931A (en) * 2008-04-03 2009-10-07 Kwaku Antwi-Boasiako A mobile bin washer
CN112389907B (zh) * 2019-08-12 2021-10-08 天津祥岩兴邦环卫设备有限公司 垃圾车厢用自动上料翻斗同步机构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938299C (de) * 1951-05-04 1956-01-26 G G Pastorino S A Einrichtung zur Desinfektion von Muelleimern auf Muellabfuhrwagen
DK80459C (da) * 1953-08-11 1956-01-23 Hansi Thomas Dagrenovationsvogn.
DE2102056C3 (de) * 1971-01-16 1975-10-23 Heinz Fritz Dipl.-Ing. 7570 Baden-Baden Reichenkron Anordnung einer fahrzeuggebundenen Wasch- und Desinfektionsanlage für Abfallbehälter
US3901255A (en) * 1974-02-19 1975-08-26 Bruce Harold Pettit Drum washer for vehicles
NL9100395A (nl) * 1991-03-05 1992-10-01 Mettler Toledo Bv Weeginrichting.
DE4216347A1 (de) * 1992-05-16 1993-05-19 Schoerling Waggonbau Fahrzeug mit einer vorrichtung zur reinigung von gefaessen
NL9201203A (nl) * 1992-07-06 1994-02-01 Bekker L J Holding Werkwijze voor het ledigen en wassen van vuilcontainers, bijbehorende containerwasinstallatie en kraakperswagen.

Also Published As

Publication number Publication date
FI95454C (fi) 1996-02-12
ATE175168T1 (de) 1999-01-15
FI933050A0 (fi) 1993-07-02
FI933050A (fi) 1995-01-03
DK0705208T3 (da) 1999-08-30
DE69415670T2 (de) 1999-07-08
FI95454B (fi) 1995-10-31
AU7075294A (en) 1995-01-24
WO1995001295A1 (en) 1995-01-12
DE69415670D1 (de) 1999-02-11
EP0705208A1 (en) 1996-04-10

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