EP0705208B1 - Method and apparatus for cleaning refuse bins - Google Patents
Method and apparatus for cleaning refuse bins Download PDFInfo
- 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
Links
Images
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)
- Cleaning In General (AREA)
- Processing Of Solid Wastes (AREA)
- Refuse Collection And Transfer (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Refuse-Collection Vehicles (AREA)
Abstract
Description
- a waste container truck is used for dumping dumpsters into the waste container of a waste container truck by mounting at least one dumpster at a time in engagement with a waste container truck from the locations thereof, whereby
- the contents of the waste container are advanced to a next operation in waste treatment, whereby
- at least the interior of the dumpster is cleaned while in engagement with the waste container truck immediately after dumping the dumpster which is still essentially in a dumping position prior to replacing it in its location, and whereby
- the cleaning agent used in cleaning is essentially returned into a cleaning agent circulation system included in the waste container truck separately from the waste held in the waste container.
- the waste bin or a like is set in flow communication with a cleaning agent circulation system.
- Figs. 1-4
- depict schematically and sequentially the application of a method of the invention in a side view,
- Fig. 5
- shows a perspective view of a first embodiment for a washing agent supply unit,
- Fig. 6
- shows a second embodiment for a washing agent supply unit in a plan view, and
- Fig. 7
- is a vertical section showing a communication between a waste bin and a water receiver.
Claims (12)
- A method for collecting waste from dumpsters by means of a waste container truck which is provided with a waste bin (14) or the like for receiving the waste coming from the dumpster (1) prior to delivering such waste from the waste bin (14) into the waste container (7) whereinthe waste container truck is used for dumping dumpsters (1) into the waste bin of the waste container truck by mounting at least one dumpster at a time in engagement with the waste container truck from the locations of the dumpsterat least the interior of the dumpster (1) is cleaned while in engagement with the waste container truck prior to replacing it in its location, anda cleaning agent used in cleaning is essentially returned into a cleaning agent circulation system included in the waste container truck separately from the waste held in the waste container (7), wherebythe cleaning phase is effected immediately after dumping the dumpster (1) essentially in a dumping position, and wherebythe waste bin (14) or the like is set in flow communication with a cleaning agent circulation system.
- A method as set forth in claim 1, characterized in that a cleaning agent receiver (15) or the like is positioned preferably below the waste bin (14) in flow communication with the waste bin (14) or the like of a waste container truck by way of a port system (28) included in the waste bin (14) or the like.
- A method as set forth in claim 1, characterized in that the cleaning agent coming from the waste bin (14) or the like into a circulation system and to be returned in connection with a waste container truck is purified for reuse.
- A method as set forth in any of claims 1-3, characterized in that the cleaning is carried out essentially in three sequences, wherebythe first sequence involves preliminary washing, preferably with a solvent,the second sequence involves actual washing, especially a high-pressure washing, preferably with water, andthe third sequence involves disinfecting with a disinfectant, wherebythe cleaning agents spent particularly in the first and second sequences and returned into the circulation system from the waste bin (14) are returned in connection with a waste container truck especially for purifying the same or reuse.
- An apparatus for waste collection effected by means of a waste container truck, wherebythe waste container truck is fitted with a waste container (7) for the collection of waste by dumping dumpsters (1) sequentially into the waste container (7) adapted to be performed from the location of the dumpsters (1) by using means (2) included in the waste container truck for taking hold of the dumpster, for placing it in a dumping position in engagement with the waste container truck and for removing the dumpster from its engagement with the container truck,the waste container truck is provided with means (5, 9a, 21; 6, 13, 22; 23; 28; 15; 16a, 16b, 17, 18, 19) for cleaning at least the interior of the dumpster (1) essentially in a dumping position with a cleaning agent while the dumpster is in engagement with the waste container truck,said means (5, 9a, 21; 6, 13, 22; 23; 28; 15; 16a, 16b; 17, 18, 19) being adapted to form an essentially closed circulation system for the cleaning agent,
waste container truck is provided with a waste bin (14) or the like for receiving the waste coming from the dumpster (1) prior to advancing it from the waste bin (14) into a waste container (7) and that the waste bin (14) is connected to a cleaning agent circulation system by means of a port system (28) included in the waste bin (14). - An apparatus as set forth in claim 5, wherein the elements for cleaning at least the interior of a dumpster comprise in connection with a waste container truck:a container assembly (5, 9a, 21) for a washing agent,a cleaning agent supply unit (23),a filtering assembly (17, 18, 19), anda pipe system (6, 13, 22, 16a, 16b) or the like for carrying the cleaning agent from the container assembly to the cleaning agent supply unit (23) and into the container assembly for reuse,
- An apparatus as set forth in claim 5 or 6, characterized in that the cleaning agent supply unit (23) includes a first nozzle assembly (8a) for delivering a preliminary washing agent, preferably a solvent, a second washing liquid nozzle assembly (4) or the like for delivering water, and preferably also a third nozzle assembly (8b) for delivering a disinfectant at least to the internal surfaces of the dumpster (1), the cleaning being preferably adapted to proceed in three sequences in such a manner that the first sequence involves operation of the first nozzle assembly (8a) for effecting the preliminary washing, then essentially the washing nozzle assembly (4), and the third sequence preferably involves use of the second nozzle assembly (8b), and that the pipe system (6, 13, 22, 16a, 16b) or the like includes tube elements for carrying out the above sequences.
- An apparatus as set forth in any of claims 5-7, characterized in that the cleaning agent supply unit (23) is mounted in engagement with elements (2, 3) included in a waste container truck for grabbing a dumpster and is preferably provided with means for switching the cleaning agent supply unit (23) to an operative position from a non-operative position following the dumping of said dumpster (1).
- An apparatus as set forth in claim 5, characterized in that the port system (28) is adapted to be openable and closeable.
- An apparatus as set forth in claim 5-8, characterized in that the container assembly (5, 9a, 21) comprises three sections, including separate containers for a preliminary washing agent, washing agent and disinfectant.
- An assembly as set forth in claim 6 or 7, characterized in that the cleaning agent supply unit (23) includes two or more aggregates of nozzle assemblies (4, 8a, 8b) for carrying out the simultaneous cleaning of two or more dumpsters (1).
- An apparatus as set forth in claim 7 or 8, characterized in that the second washing nozzle assembly (4) comprises an arched tubular profile, including a perforation (25) or the like for producing liquid jets, and that the first and third nozzle assemblies (8a, 8b) are included in a supporting arm (27) mounted in connection with the elements (2, 3) for grabbing a dumpster.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI933050 | 1993-07-02 | ||
FI933050A FI95454C (en) | 1993-07-02 | 1993-07-02 | Procedure and apparatus for collecting waste with a waste tanker |
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 (en) |
AT (1) | ATE175168T1 (en) |
AU (1) | AU7075294A (en) |
DE (1) | DE69415670T2 (en) |
DK (1) | DK0705208T3 (en) |
FI (1) | FI95454C (en) |
WO (1) | WO1995001295A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2301022A (en) * | 1995-05-24 | 1996-11-27 | Binbusters | Apparatus for cleaning containers |
EP0958864B1 (en) * | 1998-05-22 | 2004-10-13 | Lorenzo Schia | Process for desinfecting and/or deodorising compartments, a device and compartment for carrying out the process |
ES2169979B2 (en) * | 1999-11-30 | 2003-08-01 | Ros Roca Sa | SYSTEM FOR CONTAINER WASHING APPLICABLE TO VEHICLES INTENDED FOR IT. |
SE516839C2 (en) | 2001-03-01 | 2002-03-12 | Eleiko Sanera Ab | Method and apparatus for cleaning garbage cans, and intermediate storage of any garbage during cleaning |
GB2458931A (en) * | 2008-04-03 | 2009-10-07 | Kwaku Antwi-Boasiako | A mobile bin washer |
CN112389907B (en) * | 2019-08-12 | 2021-10-08 | 天津祥岩兴邦环卫设备有限公司 | Automatic feeding tipping bucket synchronizing mechanism for garbage carriage |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE938299C (en) * | 1951-05-04 | 1956-01-26 | G G Pastorino S A | Device for disinfecting garbage cans on garbage trucks |
DK80459C (en) * | 1953-08-11 | 1956-01-23 | Hansi Thomas | Day garbage truck. |
DE2102056C3 (en) * | 1971-01-16 | 1975-10-23 | Heinz Fritz Dipl.-Ing. 7570 Baden-Baden Reichenkron | Arrangement of a vehicle-based washing and disinfection system for waste containers |
US3901255A (en) * | 1974-02-19 | 1975-08-26 | Bruce Harold Pettit | Drum washer for vehicles |
NL9100395A (en) * | 1991-03-05 | 1992-10-01 | Mettler Toledo Bv | WEIGHING EQUIPMENT. |
DE4216347A1 (en) * | 1992-05-16 | 1993-05-19 | Schoerling Waggonbau | Vehicle for cleaning vessels, esp., rubbish containers - with jet-head which dispenses a disinfectant esp. a combination of benzyl:ammonium chloride cpds. |
NL9201203A (en) * | 1992-07-06 | 1994-02-01 | Bekker L J Holding | METHOD FOR EMPTYING AND WASHING OF DIRT CONTAINERS, ASSOCIATED CONTAINER WASHING INSTALLATION AND CRACKERS. |
-
1993
- 1993-07-02 FI FI933050A patent/FI95454C/en active
-
1994
- 1994-06-27 EP EP94919696A patent/EP0705208B1/en not_active Expired - Lifetime
- 1994-06-27 AU AU70752/94A patent/AU7075294A/en not_active Abandoned
- 1994-06-27 DE DE69415670T patent/DE69415670T2/en not_active Expired - Fee Related
- 1994-06-27 DK DK94919696T patent/DK0705208T3/en active
- 1994-06-27 WO PCT/FI1994/000289 patent/WO1995001295A1/en active IP Right Grant
- 1994-06-27 AT AT94919696T patent/ATE175168T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69415670D1 (en) | 1999-02-11 |
FI95454B (en) | 1995-10-31 |
FI933050A (en) | 1995-01-03 |
FI95454C (en) | 1996-02-12 |
ATE175168T1 (en) | 1999-01-15 |
FI933050A0 (en) | 1993-07-02 |
AU7075294A (en) | 1995-01-24 |
WO1995001295A1 (en) | 1995-01-12 |
DK0705208T3 (en) | 1999-08-30 |
EP0705208A1 (en) | 1996-04-10 |
DE69415670T2 (en) | 1999-07-08 |
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