EP3350106A1 - Dispositif de nettoyage de bande transporteuse - Google Patents
Dispositif de nettoyage de bande transporteuseInfo
- Publication number
- EP3350106A1 EP3350106A1 EP16769919.8A EP16769919A EP3350106A1 EP 3350106 A1 EP3350106 A1 EP 3350106A1 EP 16769919 A EP16769919 A EP 16769919A EP 3350106 A1 EP3350106 A1 EP 3350106A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- box
- steam
- slot
- conveyor belt
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/24—Cleaning devices comprising plural diverse cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2230/00—Other cleaning aspects applicable to all B08B range
- B08B2230/01—Cleaning with steam
Definitions
- the invention relates to conveyor belt cleaning products such as food products and in particular a net device ⁇ toyage of such a conveyor belt.
- conveyor belts also known as conveyor belts.
- the belt moves in translation following a di ⁇ tion of transport of products by the conveyor belt.
- BSU® Belt Sanitation Unit
- This conveyor cleaning device comprises a box comprising a steam treatment chamber communicating with one outside of the box via a lower opening of the box intended to be placed opposite a surface to be cleaned of the conveyor belt. .
- This device of the prior art comprises a box comprising a steam treatment chamber communicating with the outside of the box via a lower opening of the box to be placed vis-à-vis a surface to be cleaned of the conveyor belt.
- This device furthermore comprises:
- the conveyor belt passes first under the front flexible blade which has the role of distributing any pollutants on the surface to be cleaned.
- These flexible front and rear blades also have the function to delimit the steam treatment chamber and restrict the passage of vapor between the chamber trai ⁇ ment steam and the external environment of the device.
- the steam is. projected into the chamber via a spray boom and / or nozzle manifold extending transversely to the product conveying direction.
- This spray boom has several spray bores arranged along the ramp. These holes are oriented to spray ⁇ riser steam towards the conveyor belt.
- the steam sprayed into the milking box ⁇ and against the cleaning surface of the tape comes saturate 1 atmosphere steam treatment chamber and mechanically impacting the tape. Part of this vapor condenses on this surface to clean the tape.
- the suspension is driven / moved by the conveyor belt towards the rear flexible blade which concentrates it just upstream of this rear flexible blade.
- An outlet suction is connected to a suction opening which opens upstream of the rear flexible blade and one inside the milking box ⁇ steam. Under the effect of this suction, the suspen ⁇ sion concentrated upstream of the rear flexible blade forms an effluent that is discharged from the steam treatment chamber. The band is thus cleaned and dried with great efficiency.
- An object of the present invention is to re ⁇ reduce the risk of the presence of contaminants ac ⁇ Croches in the steam treatment chamber, and. to improve the effectiveness of the treatment.
- a device for cleaning a conveyor belt which comprises a box comprising a steam treatment chamber communicating with the outside of the box via a lower opening of the box to be placed in vis-à-vis a surface to clean the conveyor belt.
- This device comprises:
- a steam inlet connected to a steam distribution slot opening into the cais ⁇ son in the direction of said lower opening of the cais ⁇ sound, this distribution slot being located closer to the flexible blade before that it is not the rear flexible blade;
- a suction outlet connected to a suction slot opening inside the box di ⁇ tion of said lower opening of the box, the suction slot being located closer to the rear flexible blade that it No. 1 is. of the flexible blade before.
- the dispensing slot extends along a longitudinal axis of the secant dispensing slot, with first and second opposite side walls of the steam treatment chamber and the suction slot. extends along a longitudinal axis of the suction slot intersects said first and second opposed side pa ⁇ kings.
- the steam treatment chamber has opposite first and second side walls, ie facing each other.
- the dispensing slot extends along a longitudinal axis of the slot of said ⁇ tribution and the suction gap extends along a longitudinal axis of the suction slot.
- Each of these longitudinal axes of the distribution and suction slots is secant on the one hand with the first side wall and on the other hand with the second side wall of the steam treatment chamber.
- the lengths of the distribution and suction slots extend along longitudinal axes which are all secant with the two opposite side walls of the steam treatment chamber. ⁇ conse quently, the longitudinal axes of the dispensing and suction slots are substantially parallel to each other.
- the dispensing slot sprayer ⁇ rise steam towards one lower opening of the box, that is to say to the cleaning surface of the conveyor belt.
- the vapor flow at the outlet of the dispensing slot extends along a distribution plane in which the length of the dispensing slot extends. This distribution plane cuts the surface to be cleaned from the strip along a straight line extending across this strip.
- the distribution slot makes it possible to cover a large area of the conveyor belt with the aid of a single passage of steam.
- the slit causes a substantially flat stream of steam rather than a plurality of conical jets limits the vortices within the vapor treatment chamber. This promotes the establishment of a steady stream of uniform steam flowing along the surface of the strip. The cleaning efficiency is thus improved.
- the contaminating elements are indeed evacuated via a regular and homogeneous flow.
- the invention thus allows a net homogeneity ⁇ toyage while limiting the risk conta retention ⁇ nants into the processing chamber.
- the invention also provides a solution optimizing one use of steam for the cleaning of the strip trans ⁇ carrier.
- the front and rear flexible blades extend in length between the first and second opposite side walls of the steam treatment chamber.
- each flexible blade extends along a longitudinal axis of its own, this longitudinal axis being secant with each of the first and second opposing side walls of the chamber trai ⁇ ment steam.
- the longitudinal axis of a particular reed is 1 'axis along which is measured lon ⁇ LATIONS this data reed.
- the lengths of flexible front and rear blades and distribution slots and suction extend along longitudinal axes which are intersecting with the two opposite side walls of the trai ⁇ ment steam chamber. Therefore, the longitudinal axes of the flexible blades and the distribution and suction slots are substantially parallel to each other.
- FIG. 1 shows an exploded view in pers ⁇ pective of a box of the cleaning device according to the invention
- FIG. 1 shows an exploded side view of the box of Figure 1;
- FIG. 3 shows a front view of the box of Figures 1 and 2 while it is assembled and connected to means for guiding the box relative to a support, fixed;
- FIG. 4 shows the box of Figures 1 to 3 in side view while it is assembled
- FIG. 5 shows a perspective view of the cleaning device according to the invention whereas it is used to clean the flat surface of a tape carrier trans ⁇ products;
- FIG. 6 shows a product conveying chain according to the invention provided with a conveyor belt 2 and a device for cleaning the band connected to a movable assembly comprising a steam generator and a suction pump;
- FIG. 7 shows a steam distribution ramp comprising a steam distribution channel and a spray channel equipped with a distribution slot. Steam tio provided to be oriented towards the lower opening of the box.
- the invention essentially relates to a cleaning device 1 of a conveyor belt 2.
- This device comprises a casing 10 in which is formed a vapor processing chamber 11 communicated ⁇ cante with one outside the casing 10 via a bottom opening 12 of the box.
- This opening 12 is intended to be placed vis-à-vis of a surface to be cleaned 20 of the strip carrier 2 trans ⁇ .
- the cleaning device 1 comprises:
- a rear flexible blade 14 assembled to the cais ⁇ sound 10 via another rail 14a mounted on a rear wall 10b of the box which is opposite vis-à-vis the front wall 10a.
- the rails 13a, 14a are arranged to stiffen the flexible blades according to their lengths while maintaining flexibility over the width of the flexible blade.
- These flexible front and rear blades 13, 14 are disposed so as to extend lengthwise between first and second side walls 15, 16 opposite of the steam treatment chamber 11. It is noted that the trai chamber ⁇ ment is limited to its vapor periphery via a front wall 10a of the box, a rear wall 10b of the box and the first and second side walls 15, 16, these walls preferably forming a continuity of pa ⁇ kings.
- the flexible blades 13, 14 are arranged on either side of the lower opening 12 and are arranged so that when the lower opening 12 of the box is placed opposite the surface to be cleaned 20 of the strip 2, these front and rear flexible blades 14, 15 af ⁇ then flower said surface to be cleaned 20 of the conveyor belt. It is noted that preferably, the surface to be cleaned 20 extends in a plane.
- the flexible blades extend so that their longitudinal edges intended to be flush against the surface to be cleaned extend in the same plane.
- These flexible blades 13, 14 extend across a product transport direction 30 by this conveyor belt 2.
- the casing 10 comprises a steam inlet 111 connected to a steam distribution slot 112 which opens to the inside of the casing 10 in the direction of the lower opening 12. This distribution slot
- the length of the distributed slot ⁇ 112 is between 95 and 100% of the largest measurable dimension LU of the processing chamber 11 will ⁇ fear.
- the box 10 has a suction outlet
- This suction slot 113 is located closer to the rear flexible blade 14 than it is to the front flexible blade 13. As seen in FIG. 1, the dispensing slot 112 extends along a longitudinal axis of the dispensing slot 112X which is intersecting with each of the first and second opposite side walls 15, 16 of the steam treatment chamber 11.
- the suction slot 114 extends along a longitudinal axis of the suction slot 114X which is secant with each of the first and second side walls 15, 16.
- the dispensing slot 112 and the suction gap 113 are respectively rectangular in ⁇ views according to section planes perpendicular to the main fluid flow through the slot.
- the front and rear flexible blades 13, 14 and the distribution and suction slots 112 113 extend perpendicular to the product transport direction by said conveyor belt 2.
- the vapor dispensing slot 112 and the suction gap 113 extend, paral ⁇ the element with flexible front and rear blades 13, 14.
- front and rear flexible blades and steam distribution slots and effluent suction have respective lengths substantially identical to each other.
- the strip 2 may be disposed between a wedge plane 18 and the housing 10, the shim 18 having the function of holding the cleaning surface of the band 2 in plan which facilitates af ⁇ regular fleurement flexible blades 13, 14.
- the cleaning device 1 also comprises:
- the distribution channel 1121 is connected on the one hand to the steam inlet 111 via an inlet pipe 1123 extending perpendicularly to this distribution channel.
- the distribution slot is here formed between the edge of a flat sheet and the flat face of another sheet called deflection plate which is placed opposite the outlet of the distribution orifices 1124.
- This plate deflection is arranged so that the direction of the flow of steam leaving the orifices 1124 is inclined relative to the direction of the flow of steam exiting the slot 112 at a given angle which is here 45 °.
- the sheet die ⁇ viation can give direction to the outflow of the slot 112 and as it is in front of ori ⁇ profits 1124 also has the function to homogenize the flow of steam along the length of the slot 112.
- 1122 spray channel is connected to the steam treatment chamber via said slot distri bution ⁇ 112, the latter extending over the entire lon ⁇ LATIONS 1122 spray channel.
- the steam here water vapor
- the steam is distributed in a relatively homogeneous manner over the entire length of the spray channel 1122 via the plurality of orifices 1124 which extend respectively between the repartition channel 1121 and the spray channel 1122; and this vapor can thus be admitted homogeneously into the steam treatment chamber 11 via the distribution slot 112, which favors the creation of a homogeneous stream of steam in the steam treatment chamber 11.
- the steam re ⁇ partitioning ramp 19 is fixed against a bottom plate 190 which extends inside the box and through which a passage for the steam inlet 11 is formed. and another passage for the suction outlet 113.
- the periphery of this bottom plate is mounted to seal against the walls of the box 15, 16, 10a, 10b.
- this bottom plate is assembled to the walls 15, 16, 10a, 10b via assembly means exclusively external to the steam treatment chamber and / or by means of welding techniques.
- a separating plate 116 extends between the suction chamber 115 and the steam treatment chamber 11 thus forming a partition wall between these steam treatment chambers and suction 11, 115.
- a longitudinal edge of the suction slot 114 is formed by an edge 116a of this separating plate 116.
- This separating plate 116 is assembled via one of its lateral edges to the bottom plate 190, the other of the lateral edges 116a of the separating plate 116 which is rectilinear forming the rectilinear longitudinal edge 116a of the slot. suction 114.
- This separation plate 116 is mainly separated from the bottom plate 190 and thus delimits on one side the steam treatment chamber 11 and on the other a suction chamber 115.
- the bottom plate 190 of the housing which carries the separating plate is removable and easy to be able ⁇ clean 1 within the treatment chambers and suction. The device limits the retention zones since there is no drilling or tapping opening in the treatment and suction chambers.
- the suction slot 114 extends here over the entire length of the suction chamber 115.
- the steam treatment chambers 11 and aspirate ion 115 are both limited in their respective annular court ⁇ riphérie by the edges of the caisson 10a, 10b and 15, 16.
- the separating plate 1 is mounted inside the housing of in such a way that the only step ⁇ between the steam treatment chamber 11 and the suction chamber 115 is along a straight edge 116a of this separating plate 116.
- the cross section of the steam trai ⁇ tion chamber 11 is gradually decreasing from the distribution slot 112 to the suction slot 114;
- the cross section of the suction chamber 115 is gradually decreasing going from the suction slot 114 to the suction outlet 113. This characteristic favors the establishment of a homogeneous flow in the steam treatment chamber 11.
- the suction chamber 115 extends in length between the first and second side walls 15, 16 of the box.
- a portion of the first wall ⁇ lateral 15 of the box forms the first side wall 15 of the steam treatment chamber 11 and a portion of the second side wall of the box constitutes the second side wall 16 of the treatment chamber steam 11.
- This embodiment allows to have a substantially constant level of depression over the entire length of the suction slot 114. This results in a homogeneous sucked ⁇ tion over the length of the suction slot 114 which participates in homogeneity of the flow upstream of the suction gap 114. the quality of the net ⁇ toyage band s' is improved especially as the vacuum level increases in the milking room ⁇ steam 11, approaching the suction slot 114.
- the length of the suction slot 114 is com ⁇ taken between 95 and 100% of the largest dimension mea ⁇ rable LU steam treatment chamber 11.
- each longitudinal end of the suction gap 114 is remote from the side wall of the steam treatment chamber 11 which is adja ⁇ cente a distance strictly less than 5% of the largest dimension LU of the treatment chamber va ⁇ fear 11.
- the length of the suction slot 114 is longer ⁇ eral times greater than a maximum width L113 of fluid passage through the outlet piece 113.
- the fluid passage width through the outlet piece 113 may be of small diameter to facilitate connection to a hose 50 external to the box, while maintaining a long length of the suction slot 114.
- the suction chamber 115 forms an interface gradually reducing the fluid passage section going from the slot 114 to the suction outlet 113 of small diameter Ll 13.
- the housing 10 is connected to a stationary support 60 via a guide means 61 of the housing 10 relative to the fixed support 60.
- These guiding means 61 are adapted to allow a ⁇ moves the box 10 between longitudinal edges of the conveyor belt 2 which are parallel to each other while maintaining, throughout this movement of the box, the flexible blades before and. 14, 15 so that it can be flush along a flat surface.
- these guide means comprise guide rods 610, 611 parallel to each other and complementary guides 612, 613 fixed on the can ⁇ sound to slide the box along these rods 610, 611 along a perpendicular axis of sliding in the direction of transport of products 30.
- the guide means 61 comprise lateral interfaces 615, 616 disposed on either side of the box 10 to carry the rods 610, 611. These lateral interfaces 615, 616 can also slide along the rods to define a maximum sliding distance. of the box between these interfaces 615, 616. Each of these interfaces is adapted to be fixed on the fixed support 60.
- the surface to be cleaned of the strip being preferably flat, throughout the displacement of the box, the blades 14, 15 are flush with the flat surface to be cleaned.
- the box can be moved along the width of the strip to clean it in portions of width.
- the device according to the invention can be used to clean strips of different widths.
- the cleaning apparatus 1 allows the establishment, in the processing chamber will ⁇ fear, a vapor fluid circulation circuit sensi ⁇ ably homogeneous running from the slot dist ribut.ion 112 located downstream of the flexible blade before 13 to the suction slot 113 located upstream of the rear flexible blade 14. This homogeneous flow and the front and rear flexible blades limit the risk of steam leaving the box.
- a quali ⁇ ty homogeneous cleaning can be obtained over the entire width of the conveyor belt.
- the invention relates to a conveyor chain 7 comprising a conveyor belt of products 2 and the cleaning device 1 according to any one of the embodiments described above.
- the conveyor belt is adapted to move in a direction trans ⁇ port 30 products and it may belong to a treadmill.
- the cleaning surface 20 of the transpor ⁇ Teuse band 2 is placed vis-à-vis one lower opening of the box 12 to be cleaned during movement of the strip 2.
- the box can be fixedly mounted relative to a fixed support 60 or, alternatively (as in Figure 5), it can be slidably mounted relative to the fixed support 60 to move transversely to the direction 30 of displacement of the band.
- the conveying chain 7 further comprises:
- a steam generator 71 preferably water, connected to the steam inlet 111 of the box 10 via a first flexible pipe 501;
- a suction pump 72 connected to the suction outlet of the box via a second flexible pipe 502.
- the steam inlet 111 and the suction outlet 113 are adjacent to one another and are adapted to be connected to the same connector 4.
- This connector 4 which belongs to the device 1, is provided with a steam injection port 41 and an effluent suction port 42.
- the device is thus adapted to selectively adopt a connection configuration or a configura ⁇ disconnection.
- the arrival of va ⁇ fear of the box 111 is connected to the steam injection port 41 of the connector 4 while the output suction chamber 113 is connected to the effluent suction port 42 of the connector 4.
- the connector 42 can be fitted with a mechanical locking system preventing the passage of the connection configuration in the configu ⁇ ration of disconnection when there is a pressure level and / or temperature is present at at least one of the ports 41, 42.
- one or more sensors can be implanted to detect when the device is in the connection configuration.
- Detection of the connection pattern can be used to condition the steam supply of the device by the steam generator and / or suction by the suction pump.
- the hose 50 may comprise means for transmitting a signal from the sensor and repre sentative ⁇ the current configuration adopted by the dis- positi f, that is to say whether the connection configuration is the disconnect configuration.
- These transmission means can. conductors of electricity and the sensor may be formed by electrical contacts carried by the connector 4 which are electrically connected to each other via a conductor carried by the box 10 when the dispositi f is confi ⁇ guration connection.
- connection between the port 41 and one finish back ⁇ fear 111 formed on the housing can be made via a rac ⁇ cord fast.
- connection between the port 42 and the suction outlet 113 formed on the box can be done via another quick connector.
- the first and second con ⁇ flexible picks 501, 502 are subject to each other over a major portion of length of said first and ⁇ count flexible pipes 501, 502.
- these con ⁇ weft may extend in the same
- This sheath 503 may be thermally insulated at its periphery to limit the heat loss between the connector 4 and the steam generator 71.
- the flexible pipe 501 can be connected to the steam generator 71 via a second connector 43;
- the flexible pipe 502 can be connected to the suction pump 72 via this same second connector 43.
- This second connector 43 may be equipped with a sensor detecting the good connection between the flexible
- This set 73 may be fixed or mobile depending on the case to be moved from one conveyor belt to another.
- the steam generator 71 and the suction pump 72 belong to the same set 73.
- This set 73 comprises a filtration device 74 arranged to collect particles that can pass via the second pipe 502.
- the suspension composed of condensate and contaminating elements forms an effluent which is drawn through the slot 114 to the filtration device 74 for storage.
- the box can be born ⁇ position above the web as illustrated in Figures 4, 5 and 6, or alternatively it can be placed beneath.
- the box can be equipped with handles.
- the device according to the invention is ergonomic and usable by a single operator.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558761A FR3041331B1 (fr) | 2015-09-17 | 2015-09-17 | Dispositif de nettoyage de bande transporteuse. |
PCT/EP2016/071697 WO2017046165A1 (fr) | 2015-09-17 | 2016-09-14 | Dispositif de nettoyage de bande transporteuse |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3350106A1 true EP3350106A1 (fr) | 2018-07-25 |
Family
ID=54356625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16769919.8A Withdrawn EP3350106A1 (fr) | 2015-09-17 | 2016-09-14 | Dispositif de nettoyage de bande transporteuse |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3350106A1 (fr) |
FR (1) | FR3041331B1 (fr) |
WO (1) | WO2017046165A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2018002563A (es) | 2018-02-28 | 2019-09-02 | Clevot S A De C V | Dispositivo tipo cabezal para limpieza en seco y sanitizacion de bandas transportadoras sanitarias planas. |
MX2019004329A (es) * | 2019-04-12 | 2020-10-13 | Clevot S A De C V | Sistema de limpieza de bandas modulares. |
US11485585B1 (en) * | 2021-08-23 | 2022-11-01 | Steven Bitondo | Inverted brushless conveyor belt cleaner system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2674457B1 (fr) * | 1991-03-29 | 1995-03-10 | Onet | Dispositif de nettoyage de convoyeurs a bandes. |
IT1281012B1 (it) * | 1995-11-03 | 1998-02-11 | R E A S N C Di Sassi E Baudin | Procedimento e relativa apparecchiatura per il lavaggio e la sanitizzazione di nastri trasportatori, in particolare nel campo |
GB2352703B (en) * | 1999-08-02 | 2003-06-11 | Keith Handy | Steam cleaning system for conveyors |
GB2360201A (en) * | 2000-03-17 | 2001-09-19 | Duplex Cleaning Machines | Steam cleaning for surfaces |
SE0501951L (sv) * | 2005-09-05 | 2006-05-09 | Nyfoervaervet Nr 1164 Ab | En anordning för bortspolning av finfördelat material vid transportband |
NO20120333A1 (no) * | 2012-03-21 | 2013-06-03 | Cursus Escalator As | Renseapparat for løpende gelender ved rulletrapp |
-
2015
- 2015-09-17 FR FR1558761A patent/FR3041331B1/fr not_active Expired - Fee Related
-
2016
- 2016-09-14 EP EP16769919.8A patent/EP3350106A1/fr not_active Withdrawn
- 2016-09-14 WO PCT/EP2016/071697 patent/WO2017046165A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2017046165A1 (fr) | 2017-03-23 |
FR3041331B1 (fr) | 2017-10-13 |
FR3041331A1 (fr) | 2017-03-24 |
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