EP0867560B1 - Dispositif pour le nettoyage d'une bande transporteuse - Google Patents

Dispositif pour le nettoyage d'une bande transporteuse Download PDF

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Publication number
EP0867560B1
EP0867560B1 EP98101519A EP98101519A EP0867560B1 EP 0867560 B1 EP0867560 B1 EP 0867560B1 EP 98101519 A EP98101519 A EP 98101519A EP 98101519 A EP98101519 A EP 98101519A EP 0867560 B1 EP0867560 B1 EP 0867560B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
suction
cleaning
additional
suction line
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
EP98101519A
Other languages
German (de)
English (en)
Other versions
EP0867560A3 (fr
EP0867560A2 (fr
Inventor
Markus Oechsle
Karlheinz Straub
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Priority to EP02013119A priority Critical patent/EP1241297A3/fr
Publication of EP0867560A2 publication Critical patent/EP0867560A2/fr
Publication of EP0867560A3 publication Critical patent/EP0867560A3/fr
Application granted granted Critical
Publication of EP0867560B1 publication Critical patent/EP0867560B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/32—Washing wire-cloths or felts

Definitions

  • the invention relates to a device for cleaning a conveyor belt of a machine for manufacturing a material web, especially paper or cardboard web, according to the preamble of claim 1.
  • the known device comprises at least a cleaning nozzle, the one with a suction device associated suction room is.
  • the cleaning nozzle acts on the conveyor belt with a jet of impurities detaches from the conveyor belt.
  • the cleaning device is characterized by at least one additional nozzle , by means of which one for cleaning the suction device serving - preferably liquid - treatment medium in the suction chamber and / or in a suction line the suction device can be inserted, the additional nozzle having a diameter of 1 mm to 5 mm and has a low-pressure pump assigned to the additional nozzle the auxiliary nozzle with a treatment medium that is under a pressure of 5 bar to 100 bar.
  • Treatment medium for example rinse water flushes the suction line in such a way that impurities adhering to the inner surface of the suction line, for example material fibers, adhesives, other additives or the like, that of the cleaning nozzle by means of the cleaning medium have been detached from the conveyor belt and be rinsed out of the suction line can. This can clog the free cross section the suction line can be prevented.
  • gaseous for example Steam, or liquid, e.g. water
  • cleaning medium there may be lime in the cleaning medium is in bound form in the suction line deposit, which also causes the suction line can be added.
  • the additional nozzle on the jacket one Suction chamber surrounding the suction cup is arranged. It it is possible that the additional nozzle is the treatment medium injected directly into the suction line, for example in the end area opening into the suction chamber the suction line. In another design variant it is provided that the treatment medium is introduced into the suction chamber and by means of the suction effect of the suction device in the suction line arrives.
  • the cleaning device is provided that the jet stream flowing out of the additional nozzle essentially parallel to the inner surface of the Suction cup is directed.
  • the nozzle jet respectively the flow of the treatment medium sets attaches itself to the inner surface and can Direction of the suction line leading into the suction chamber the suction device. Thereby can be prevented from doing that for cleaning treatment medium serving the suction line the conveyor belt arrives.
  • the inner surface of the suction cup cleaned and a deposit of impurities in the suction chamber on the suction cup can be prevented.
  • An embodiment is particularly preferred the cleaning device, which is characterized by that the cleaning nozzle on one by one Axis rotatable nozzle head is arranged for Generation of a rotational movement from the additional nozzle can be acted upon with a jet.
  • the additional nozzle is used for cleaning treatment medium serving the suction line to the suction chamber and / or the suction line, and on the other hand as a drive for the nozzle head. Due to the dual function of the additional nozzle, the Propellant nozzles, as in known cleaning devices to generate a rotational movement are used, are waived. This is a simplification of the structure of the cleaning device possible.
  • a guide device is provided, the at least one blade-shaped guide element having.
  • the nozzle jet flowing out of the additional nozzle can be used to generate a rotational movement be directed to the control device.
  • the Guide element essentially has the shape of a Turbine blade, preferably a Pelton turbine blade, on.
  • the rotation speed of the Cleaning nozzle or the nozzle head can for example by varying the volume flow or the speed of the out of the additional nozzle outflowing treatment medium can be set.
  • a conveyor belt can be generally related with a machine to make one Material web are used. Purely exemplary it is assumed here that the cleaning device inside a paper making machine is used.
  • Figure 1 shows a schematic section of a first exemplary embodiment one in the following as Cleaning device 1 designated device for cleaning a conveyor belt 3 in cross section.
  • the cleaning device 1 can for any Conveyor belts of the paper making machine are used, for example for sieve belts or felt a sieve or a press or dryer section of the Papermaking machine.
  • the cleaning device 1 comprises a rotatable about its longitudinal axis 5 Nozzle head 7, the nozzle arrangement, not shown having. This can be one or more tangentially aligned driving nozzles for generation a rotational movement as well as an or several cleaning nozzles that the conveyor belt 3 with a gaseous or liquid cleaning medium apply.
  • the exemplary embodiment is only a cleaning nozzle shown, the nozzle jet with an arrow 9 is indicated.
  • the following is purely exemplary assumed that the cleaning medium around a liquid, for example around 20 ° C to 90 ° C warm water.
  • the nozzle head 7 be stored in a fixed position, which means that it can neither about its longitudinal axis 5, or about another axis rotate.
  • the nozzle head 7 is via a high pressure line 11 connected to a high pressure pump, not shown, which the driving and cleaning nozzles with a under a pressure of preferably 100 bar to 1000 bar standing liquid supplied.
  • the nozzle head 7 is from a cylindrical suction bell 13 surrounded by one inside the suction cup 13 opening suction line 15 with a not shown Suction device is connected.
  • edge-open suction bell 13 becomes a suction chamber 19 formed.
  • an additional nozzle 23 is arranged, which in the suction chamber 19 opens out and via a supply line 25 with a low pressure pump, not shown in Connection is established, by means of which the additional nozzle 23 with a pressure of 5 bar up to 100 bar standing, gaseous or liquid Treatment medium can be applied.
  • the treatment medium is a so-called Rinse water.
  • the flow of out of the Additional nozzle 23 escaping rinse water is with Arrows 27 indicated.
  • the suction line 15 is a further additional nozzle 29 arranged in the interior of the suction line 15th opens out and like the one on the jacket 21 of the suction bell 13 arranged additional nozzle 23- via a supply line 25 in fluid communication with the low pressure pump stands.
  • the additional nozzle 29 is also with the pressurized rinse water, the from the Auxiliary nozzle 29 flowing out nozzle jet with arrows 33 is indicated, acted upon.
  • the nozzle jet hits the additional nozzle 29 at an obtuse angle to the inner surface 35 the suction line 15. This also makes it more adherent Dirt detached safely and with the treatment medium washed away. It is also possible that the jet of the additional nozzle 29 in one acute angle strikes the inner surface 35, so that the contaminants from the inner surface 35 be peeled off.
  • a treatment medium in the Suction chamber 19 or in the suction line 15 contribute.
  • the treatment medium it is also possible to use the treatment medium only at intervals from the To let additional nozzles 23, 29 emerge. Through this Measure can be the consumption of the treatment medium, for example with only slightly contaminated Conveyor belts can be reduced.
  • the cleaning device 1 only an additional nozzle in the suction line or is arranged on the jacket of the suction bell. Of course, more than two can Additional nozzles are provided, the rinse water in the area vacuumed by the suction device contribute.
  • Figure 2 shows a schematic plan view of a part of the cleaning device shown in Figure 1 1.
  • the same parts have the same reference numerals provided so that in this respect to the description can be referred to Figure 1.
  • the flowing out of the additional nozzle 23 into the interior 19 The nozzle jet runs - as indicated by arrows 27 - tangential to the inner surface 39 the suction bell 13, which has the consequence that the Flow of the treatment medium to the inner surface 39 of the suction cup 13 creates and thus parallel to the inner lateral surface 39 along this So around the nozzle head 7, in the direction of Suction line 15, not shown in Figure 2 becomes.
  • FIG 3 shows a schematic plan view of a Another embodiment of the cleaning device 1. Parts that match those in previous Figures 1 and 2 match, are the same Provide reference numerals, so that in this respect to the description refer to Figures 1 and 2 can. The following is only intended to highlight the differences To be received.
  • the cleaning device 1 comprises a nozzle head rotatable about an axis 5 7, on the circumference 41 a guide device 43 is provided, the at least one, here several, over the peripheral surface 41 of the nozzle head 7 has distributed guide elements 45. These have a scoop-shaped contour. in the Relation to the present invention under "scoop-shaped" the shape of any Turbine blade understood.
  • FIG 4 which is a schematic Cross section of the cleaning device shown in Figure 3 1 shows is the guide 43 integrated into the peripheral surface 41 of the nozzle head 7, that is, the guide elements 45 are not over the outer surface or the peripheral surface 41 of the nozzle head 7 also.
  • the cleaning device 1 comprises additional nozzles 23a and 23b, which - as can be seen from Figure 3 - on opposite Sides of the suction bell 13 on the jacket 21 thereof attached and via supply lines 25 with under Pressurized rinse water can be applied.
  • the nozzle jet emerging from the additional nozzles 23a, 23b is indicated by arrows 27.
  • the nozzle jets emerging from the additional nozzles 23a, 23b are on the in the peripheral surface 41st of the nozzle head 7 integrated guiding device 43 directed, the exiting from the additional nozzle 23a Vertical jet and the jet of the Additional nozzle 23b obliquely from below onto the guide device 43 hit.
  • This will make the nozzle head 7 counterclockwise around its longitudinal axis 5 set in rotation as indicated by an arrow. That from the additional nozzles 23a, 23b into the suction space 19 introduced treatment medium, that is the rinse water is - as indicated by arrows 27, 37 - together with that of the jet from Conveyor belt 3 detached dirt and / or liquid mist and residual liquid via the suction line 15 carried out.
  • the suction line 15 flushed through the treatment medium, so that clogging of the suction line 15 prevents can be. Due to the double function of the additional nozzles 23a, 23b, namely introduction of the treatment medium into the suction line 15 and drive of the nozzle head 7, the structure of the cleaning device 1 simplified and reduced their operating costs become.
  • the additional nozzles described with reference to FIGS. 1 to 4 23, 29, 23a and 23b a diameter of 1 mm to 5 mm.
  • the diameter the one with a high pressure Liquid-loaded cleaning nozzle as well the diameter of the driving nozzles described in FIG. 1 to generate a rotational movement of the nozzle head 7 are preferably smaller than 1 mm. Due to the small diameter of the driving and cleaning nozzles can be used for cleaning the conveyor belt required amount of liquid with the same Cleaning effect can be reduced.
  • the water treatment plant includes a Water supply, a motorized metering pump, a mixing container or a mixing section and a filter, for example one Backwash filter. That through the water supply flowing water volume is measured by a flow meter measured, which controls the metering pump.
  • the water in the water supply via the dosing pump additives supplied, for example biocide, complexing agent and / or a hardness stabilizer to get a to achieve the desired water quality.
  • the mixing tank in which the Additives are mixed with the water. it then the water flows through the filter, in which particles out to a defined size filtered out of the water.
  • the processed Water is then pumped through the high pressure pump Cleaning nozzle and the propellant nozzles fed.
  • the additional nozzles have a relatively large Diameter can be complex and expensive treatment of the treatment medium, the is called the rinse water, because it is due the relatively large diameter of the additional nozzles the risk of the additional nozzles becoming blocked, can be practically excluded.
  • the treatment medium can be a poorer quality have as the cleaning medium and is therefore cheaper.
  • the operating costs of the Cleaning device 1 with a based on the figures 3 and 4 described drive of the nozzle head 7th be further reduced as the cost of deployment of under a relatively low pressure standing treatment medium are smaller than that for providing the under a high pressure standing cleaning medium. So this will be exclusive used to clean the conveyor belt 2 and not as with known cleaning devices usual- to act on propellant nozzles to generate a rotational movement.
  • the Introducing the treatment medium into the suction chamber or directly into the suction line the suction device clogging or Clogging of the areas of the cleaning device, through the contaminants detached from the conveyor belt be dissipated, practically excluded can be. This can be more advantageous Way the functional safety of the cleaning device 1 can be increased.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)

Claims (8)

  1. Dispositif pour le nettoyage d'une bande transporteuse (3) d'une machine de fabrication d'une bande de matière, en particulier une bande de papier ou de carton, qui comporte au moins un gicleur de nettoyage qui coopère avec un espace d'aspiration (19) et au moyen duquel un fluide de nettoyage peut être projeté sur la bande transporteuse (3), ainsi qu'un dispositif d'aspiration relié à l'espace d'aspiration (19), au moins un gicleur supplémentaire (23, 29; 23a, 23b) au moyen duquel un fluide de traitement, de préférence liquide qui sert au nettoyage du dispositif d'aspiration, peut être apporté dans l'espa d'aspiration (19) et/ou dans un conduit d'aspiration (15). du dispositif d'aspiration, caractérisé en ce que le gicleur supplémentaire (23, 29; 23a, 23b) présente un diamètre de 1 mm à 5 mm, une pompe à basse pression associée au gicleur supplémentaire (23, 29; 23a, 23b) projetant sur le gicleur supplémentaire (23, 29; 23a, 23b) un fluide de traitement placé sous une pression de 5 bars à 100 bars.
  2. Dispositif selon la revendication 1, caractérisé en ce que le gicleur supplémentaire (23; 23a, 23b) est disposé sur l'enveloppe (21) d'une cloche d'aspiration (13) qui entoure l'espace d'aspiration (19).
  3. Dispositif selon la revendication 2, caractérisé en ce que le jet qui sort du gicleur supplémentaire (23) est orienté essentiellement en parallèle à la surface intérieure d'enveloppe (39) de la cloche d'aspiration (13).
  4. Dispositif selon la revendication 1, caractérisé en ce que le gicleur supplémentaire (29) est disposé dans une zone d'extrémité (31) du conduit d'aspiration (15), tournée vers l'espac d'aspiration (19).
  5. Dispositif selon la revendication 4, caractérisé en ce que le jet qui sort du gicleur supplémentaire (29) vient frapper sous un angle obtus la surface intérieure (35) du conduit d'aspiration (15).
  6. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le gicleur de nettoyage est disposé sur une tête de gicleur (7) apte à tourner autour d'un axe (axe longitudinal (5)), un jet du gicleur pouvant être projeté pour créer un déplacement de rotation du gicleur supplémentaire (23a, 23b).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'un dispositif de guidage (43) qui présente au moins un élément de guidage (45) en forme de pale est prévu à la périphérie (41) de la tête de gicleur (7).
  8. Dispositif selon la revendication 7, caractérisé en ce que le dispositif de guidage (43) est intégré dans la tête de gicleur (7) et/ou est disposé sur la tête de gicleur (7).
EP98101519A 1997-03-27 1998-01-29 Dispositif pour le nettoyage d'une bande transporteuse Expired - Lifetime EP0867560B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02013119A EP1241297A3 (fr) 1997-03-27 1998-01-29 Dispositif pour le nettoyage d'une bande transporteuse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712998A DE19712998C2 (de) 1997-03-27 1997-03-27 Vorrichtung zum Reinigen eines Transportbandes
DE19712998 1997-03-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP02013119A Division EP1241297A3 (fr) 1997-03-27 1998-01-29 Dispositif pour le nettoyage d'une bande transporteuse

Publications (3)

Publication Number Publication Date
EP0867560A2 EP0867560A2 (fr) 1998-09-30
EP0867560A3 EP0867560A3 (fr) 1999-06-02
EP0867560B1 true EP0867560B1 (fr) 2003-04-09

Family

ID=7824861

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98101519A Expired - Lifetime EP0867560B1 (fr) 1997-03-27 1998-01-29 Dispositif pour le nettoyage d'une bande transporteuse
EP02013119A Withdrawn EP1241297A3 (fr) 1997-03-27 1998-01-29 Dispositif pour le nettoyage d'une bande transporteuse

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP02013119A Withdrawn EP1241297A3 (fr) 1997-03-27 1998-01-29 Dispositif pour le nettoyage d'une bande transporteuse

Country Status (3)

Country Link
US (1) US6051076A (fr)
EP (2) EP0867560B1 (fr)
DE (2) DE19712998C2 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19822185A1 (de) * 1998-05-16 1999-11-18 Voith Sulzer Papiertech Patent Vorrichtung und Verfahren zum Reinigen eines Transportbandes
DE19923591A1 (de) * 1999-05-21 2000-11-23 Fleissner Maschf Gmbh Co Vorrichtung mit einem Düsenbalken zur Erzeugung von Flüssigkeitsstrahlen zur Strahlbeaufschlagung der Fasern einer Warenbahn
US6530658B1 (en) * 2000-05-30 2003-03-11 Hewlett-Packard Company Dispensing applicator and method of use
EP1164095B1 (fr) * 2000-06-16 2003-05-14 Tre P. Eng. S.r.l. Dispositif de nettoyage pour le convoyeur d'un four
DE10233797A1 (de) * 2002-07-25 2004-02-19 Voith Paper Patent Gmbh Reinigungs- und Entwässerungsvorrichtung
EP1464754B1 (fr) * 2003-04-04 2008-05-14 Voith Patent GmbH Appareil de nettoyage d'une bande en mouvement
US7044287B1 (en) 2003-06-27 2006-05-16 Tarpaulin.Com, Inc. Conveyor belt washer
US7083039B2 (en) * 2003-09-08 2006-08-01 Oxbo International Corporation Conveyor cleaning apparatus
US6971503B2 (en) * 2003-11-26 2005-12-06 Cynthia Thompson Conveyor belt cleaning apparatus
US7811388B2 (en) * 2005-12-16 2010-10-12 Tmr Associates, Llc Hydrolasing system for use in storage tanks
DE102006016337A1 (de) * 2006-04-05 2007-10-11 Ema Elektronik-Maschinen-Apparatebau Gmbh Verfahren und Vorrichtung zum Reinigen einer Oberfläche eines sich bewegenden Bandes
AT503292B1 (de) * 2006-04-21 2007-09-15 Thomas Brausteiner Alarmvorrichtung
DE102009059790B4 (de) * 2009-12-21 2017-03-30 Paprima Industries Inc. Reinigungsvorrichtung
US9032976B2 (en) 2010-08-30 2015-05-19 Tarpaulin.Com, Inc. Washer/dryer for conveyor belt
NL2009526C2 (nl) * 2012-09-27 2014-03-31 Lely Patent Nv Zelfrijdend stalvoertuig voor het verwijderen van mest alsmede een samenstel van een dergelijk stalvoertuig en een stalvloer.
WO2019094541A1 (fr) * 2017-11-08 2019-05-16 Jm Technologies Llc Appareil et système de transfert de matériaux et procédé d'utilisation correspondant de ceux-ci
CN109174816B (zh) * 2018-08-20 2021-07-06 英业达科技有限公司 一种板卡清洁设备、板卡检验系统及方法
WO2021163488A1 (fr) * 2020-02-13 2021-08-19 Kadant Nordic AB Tête de nettoyage avec ensemble de buses directionnelles et lame d'air externe façonnée des systèmes de pulvérisation à va-et-vient
CN114042673A (zh) * 2021-10-27 2022-02-15 芜湖跃博机电工程有限公司 一种机电设备的除尘装置
CN114016320B (zh) * 2021-11-02 2022-09-06 常州凯捷特水射流科技有限公司 一种基于高压反冲的造纸机干网清洗组件及设备

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AT400157B (de) * 1993-06-21 1995-10-25 Andritz Patentverwaltung Verfahren und vorrichtung zur reinigung einer umlaufenden gewebebahn
DE29517859U1 (de) * 1995-02-24 1996-01-18 Voith Sulzer Papiermasch Gmbh Reinigungsvorrichtung
EP0731211B1 (fr) * 1995-02-24 2002-06-05 Voith Paper Patent GmbH Dispositif à jet
DE19539015C2 (de) * 1995-02-24 1998-02-12 Voith Sulzer Papiermasch Gmbh Reinigungsvorrichtung
EP0731212B1 (fr) * 1995-02-24 2001-11-21 Voith Paper Patent GmbH Dispositif de nettoyage
DE29521156U1 (de) * 1995-10-19 1996-08-29 Voith Sulzer Papiermasch Gmbh Reinigungsvorrichtung

Also Published As

Publication number Publication date
DE19712998C2 (de) 1999-05-12
EP1241297A2 (fr) 2002-09-18
US6051076A (en) 2000-04-18
DE59807794D1 (de) 2003-05-15
DE19712998A1 (de) 1998-10-01
EP0867560A3 (fr) 1999-06-02
EP1241297A3 (fr) 2003-06-25
EP0867560A2 (fr) 1998-09-30

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