EP3194656A1 - Support de baguette d'étanchéité - Google Patents

Support de baguette d'étanchéité

Info

Publication number
EP3194656A1
EP3194656A1 EP15781853.5A EP15781853A EP3194656A1 EP 3194656 A1 EP3194656 A1 EP 3194656A1 EP 15781853 A EP15781853 A EP 15781853A EP 3194656 A1 EP3194656 A1 EP 3194656A1
Authority
EP
European Patent Office
Prior art keywords
sealing strip
holder
sealing
opening
strip system
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.)
Granted
Application number
EP15781853.5A
Other languages
German (de)
English (en)
Other versions
EP3194656B1 (fr
Inventor
Rüdiger Keinberger
Peter Eckerstorfer
Markus Ecker
Anton Luger
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.)
Roechling Industrial Oepping GmbH and Co KG
Original Assignee
Rochling Leripa Papertech & Co KG 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 Rochling Leripa Papertech & Co KG GmbH filed Critical Rochling Leripa Papertech & Co KG GmbH
Priority to PL15781853T priority Critical patent/PL3194656T3/pl
Publication of EP3194656A1 publication Critical patent/EP3194656A1/fr
Application granted granted Critical
Publication of EP3194656B1 publication Critical patent/EP3194656B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/10—Suction rolls, e.g. couch rolls
    • 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
    • D21F1/48—Suction apparatus
    • 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
    • D21F1/48—Suction apparatus
    • D21F1/483—Drainage foils and bars
    • 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
    • D21F1/48—Suction apparatus
    • D21F1/50—Suction boxes with rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0272—Wet presses in combination with suction or blowing devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0281—Wet presses in combination with a dryer roll
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • 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
    • D21F1/10—Wire-cloths
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0036—Paper-making control systems controlling the press or drying section

Definitions

  • the invention relates to sealing strip holder for suction rolls.
  • a suction roll which is used for dewatering web material, for example in paper machines, has an apertured roll shell and at least one suction box inside.
  • the suction box is fixedly mounted in the interior of the suction roll, wherein the provided with holes roll shell rotates around the suction box.
  • this has laterally sealing strips which seal the interior of the suction box relative to the remaining volume of the suction roll and in the longitudinal direction of the suction roll.
  • In the circumferential direction of the suction roll of the suction box is limited at its two ends by Formatbegrenzer and sealed against the roll shell.
  • a particular challenge in the design and operation of suction rolls is the supply of lubricating water to reduce heat generation and wear on the sealing strip.
  • each spray tube has its own supply line.
  • a disadvantage of the introduction of the sealing strip by additional spray tubes are the additional space required in the suction roll and the increased assembly costs.
  • a disadvantage of the known suction pipes within the suction zone is that these reduce the suction zone on the one hand and thus reduce the efficiency of the suction roll and, on the other hand, the vacuum prevailing in the suction zone sucks off a considerable amount of the lubricating water before it reaches the sealing strip.
  • the object underlying the invention is to make the introduction of the lubricating water in a simple manner, save space and targeted.
  • the lubricating water can be very close to the friction surface, so that surface with which rubs the sealing strip on the roll shell, introduced and the space required compared to a mounted before the sealing strip holder spray tube can be reduced.
  • the amount of lubricant can be reduced by the targeted introduction close to the sealing strip, which advantageously the otherwise enormous water consumption of the sealing strip is lowered.
  • a lubricating water system which is integrated in the sealing strip, there are, inter alia, the advantages that the friction surface is not reduced by the openings of the lubricating water supply and that the sealing strip has a simpler structure.
  • the device according to the invention thus consists of a suction roll, inside which a suction box is mounted, which is bounded laterally by sealing strips.
  • At least one sealing strip is associated with a lubricating water supply, which, viewed in the running direction, introduces lubricating fluid in the direction of the inside of the perforated jacket of the suction roll in front of the sealing strip, the lubricating water supply being integrated in the sealing strip holder.
  • Each sealing strip preferably has an actuator, via which the setting pressure of the sealing strip on the inner circumferential surface of the suction roll is variable.
  • the seen in the direction of the second second, rear sealing strip preferably additionally has a second actuator on which the opening angle of the gap between the sealing strip and Saugwalzenmantel is changeable.
  • the seen in the direction of the second second, rear sealing strip preferably has an electro-acoustic transducer, which is preferably integrated into the holder of the sealing strip and thus protected from moisture.
  • temperature sensors are preferably mounted, which are preferably used in addition to the temperature measurement for wear measurement. It is preferable to process the data of the sensors in a miniserver and to control the actuators by the miniserver.
  • a mini server is a miniaturized data processing system with input and output modules and possibilities for digital communication, in particular for wireless communication with input and output devices and other data processing systems of a network.
  • a flow sensor is present, which is in data communication with the Miniserver to monitor the amount of spray used in real time or to measure.
  • the flow rate is preferably controlled or controlled by the Miniserver, for example by adjusting at least one valve.
  • the temperature of the sealing strip in order to optimize the use of lubricating fluid and to control or regulate the amount of lubricant used or the amount of lubricating water as a function of the measured temperature.
  • the temperature can be measured at one or more points of the sealing strip and the amount of lubricating water introduced over the length of the sealing strip is uniformly high in each region of the sealing strip. If the temperature of the sealing strip is measured in several areas of the sealing strip, a local temperature profile in the sealing strip can also be detected.
  • the amount of lubricant introduced at individual areas of the longitudinal course of the sealing strip can be controlled or regulated separately, so that in the case of local heat generation in the sealing strip only in the affected area lubricating water is introduced. Since the introduction of lubricating water and adhering to the sealing strip material is washed away, can be reacted to caused by such impurities temperature increases by the adhering material is washed away by increasing the lubricating water flow.
  • the temperature sensor in the interior of the sealing strip, as known from DE 102007027688 AI.
  • the distance of the temperature sensors of DE 102007027688 AI to said surface must be so high that they are still integrated in the material of the sealing strip until the maximum allowable wear.
  • a plurality of such offset-mounted temperature sensors are always combined in a sensor unit, with a plurality of such sensor units preferably being distributed over the longitudinal direction of the sealing strip.
  • the local temperature profile in the sealing strip and the local wear in the sealing strip can be monitored, or this data can be transmitted to a controller or controller.
  • the lubricating water or the lubricant may actually be water or another liquid, in particular, the water may be added to other liquids or additives.
  • Fig. 1 Shows the structure of a sealing strip according to the invention with temperature sensors according to the invention with wear detection.
  • Fig. 2 shows schematically an exemplary inventive sealing strip system.
  • Fig. 3 shows schematically an exemplary inventive sealing strip system in noise-minimizing design.
  • Fig. 4 shows schematically a particularly preferred sealing device according to the invention a suction roll.
  • Fig. 5 shows schematically an exemplary inventive sealing strip holder with sealing strip in cross section.
  • Fig. 6 shows schematically another exemplary sealing strip holder according to the invention with sealing strip in cross section.
  • Fig. 7 shows schematically another exemplary sealing strip holder according to the invention with sealing strip in cross section.
  • Fig. 8 shows schematically another exemplary sealing strip holder according to the invention with sealing strip in the direction of movement of the suction roll shell seen from the front.
  • the sealing strip 1.1, 2.1 according to the invention with integrated temperature sensors 6.1 is shown.
  • a plurality of sensor units 6 are integrated in the sealing strip 1.1, 2.1, wherein each sensor unit 6 has four temperature sensors 6.1.
  • the temperature sensors 6.1 have different distances. The distance between two consecutive temperature sensors 6.1 is for example 2 mm.
  • the sensor units consist of a printed circuit board 6.4, temperature sensors 6.1, a microchip 6.2 with integrated radio module and a power supply by means of battery 6.3.
  • the sealing strip 1.1, 2.1 By the employment of the sealing strip 1.1, 2.1 to the rotating roll shell 3, there is friction and thereby to an increase in temperature at the sealing strip 1.1, 2.1.
  • This temperature change causes a change in resistance to the temperature sensor 6.1 positioned on the printed circuit board 6.4, the temperature being determined from the voltage change caused thereby by the programmed microchip 6.2. If a temperature sensor 6.1 is ground through, ie destroyed, a signal interruption occurs. As a result, the microchip 6.2 is able to calculate the exact sealing strip wear due to the signal interruption of the individual temperature sensors 6.1.
  • a mini server with radio module is positioned, which receives the data from the sensor units 6 via radio.
  • the miniserver is preferably connected to a network and the data can be visualized via an output device such as a computer, tablet computer, laptop or mobile phone.
  • the sealing strip 1.1, 2.1 has at least one sensor unit 6, preferably, the sealing strip 1.1, 2.1 more sensor units 6 in order to measure the temperature at several points of the sealing strip 1.1, 2.1 can.
  • an inventive sealing strip system 1 is shown, which preferably in the direction of movement of the roll shell 3 seen as the first sealing strip system 1 of a suction box 4 is used.
  • the sealing strip system 1 consists of a sealing strip 1.1 which is movably received in the groove of the sealing strip holder 1.2. In the groove is located below the sealing strip 1.1 designed as a pressure hose Anstellschlauch 1.3.
  • the sealing strip holder 1.2 Before the sealing strip 1.1, the sealing strip holder 1.2 is provided with a lubricating water system, which has spray nozzles 1.4, via which the lubricating water is introduced by a preferably in the sealing strip holder 1.2 integrated spray tube 1.5.
  • the sealing strip 1.1 is preferably integrated at least one sensor unit 6, or used.
  • the contact pressure with which the sealing strip is pressed 1.1 against the inside of the roll shell 3, can be changed.
  • an inventive sealing strip system 2 is shown, which is preferably seen in the direction of movement of the suction roll as the second sealing strip system 2 of a suction box 4 is used.
  • the sealing strip system 2 consists of a sealing strip 2.1 which has a web along the lower front edge, which is movably received in the groove of the sealing strip holder 2.2. In the groove is below the web of the sealing strip 2.1 Anstellschlauch 2.3.
  • the sealing strip holder 2.2 is provided with a lubricating water system which has spray nozzles 2.4, via which the lubricating water is introduced through a spray tube 2.5 preferably integrated in the sealing strip holder 2.2.
  • at least one sensor unit 6 is preferably integrated or used.
  • the sealing strip 2.1 has a curved upper surface, so that the upper surface rests in its front region on the roll shell 3 and forms a gradually increasing gap in the rear region with the roll shell 3.
  • the width of this gap can be defined by a height- adjustable bar 2.7 can be adjusted, which can move the rear end of the sealing strip 2.1 closer to the roll shell 3 or away from it.
  • the height-adjustable bar 2.7 is guided along an obliquely upwardly extending groove of a slidable in the longitudinal direction of the sealing strip 2.1 bar 2.6.
  • the displaceable bar 2.6 can be designed as a slide, which is displaced by a motor-driven adjusting spindle in the groove of the sealing strip holder 2.2.
  • a longitudinal displacement of the movable bar 2.6 causes the height-adjustable bar 2.7 is moved along the groove upwards. It is also conceivable to perform the bar 2.6 fixed and to adjust by longitudinal displacement of the height-adjustable bar 2.7 along the groove in height. Since there are many possibilities to convert the rotational movement of a stepping motor into a linear movement of an actuator, it is generally stated that the distance of the rear end of the sealing strip 2.1 to the roll shell 3 can be changed by a motor and held in the respective position.
  • sealing strip holder 2.2 is preferably a symbolically represented sound sensor 7 and a pickup attached, which serves to measure the noise level at or after the sealing strip 2.1.
  • the control method according to the invention provides that the opening angle of the gap between sealing strip 2.1 and roll shell 3 is controlled such that the noise level is reduced to a minimum.
  • an adjusting mechanism for adjusting the sealing strip 1.1 and the front region of the sealing strip 2.1 as it is used at the rear region of the sealing strip 2.1. It can be dispensed with the use of a Anstellschlauches. Since, in contrast to the rear portion of the sealing strip 2.1, the front portion and the sealing strip 1.1 can be brought into contact with the roll shell 3, it is necessary to make the contact pressure control or adjustable.
  • the contact pressure can be regulated by a controllable holding torque of the motor, or indirectly be controlled by a resilient element, which is located between the actuator and the sealing strip.
  • the sealing strip is already in contact with the roll shell, a further increase in the force of the actuator via the spring-elastic element can be exerted with increasing deformation of the spring-elastic element, with which the sealing strip is pressed against the roll shell. It is advantageous that the actuator can also be positioned so that there is a narrow gap between the sealing strip and roll shell.
  • FIG. 4 the construction of a suction box 4 with two sealing strip systems 1, 2 according to the invention is shown schematically.
  • the direction of movement of the roll shell 3 is indicated by an arrow.
  • the seen in the direction of movement front first sealing strip system 1 is performed as shown in FIG. 2, seen in the direction of movement rear second sealing strip system 2 is performed as shown in FIG.
  • the two sealing strip systems 1, 2 form the lateral boundary of the suction box 4. In the interior of the suction box 4 so results in a respect to the remaining interior of the suction roll sealed area 4.1.
  • a pressure sensor 5 for measuring the negative pressure or vacuum in the sealed area 4.1 is located in the interior of the suction box 4.
  • the determination the negative pressure in the suction box 4 also take place in or through the vacuum pump, which serves to generate the vacuum in the sealed area 4.1.
  • the first sealing strip system 1 has a temperature sensor 16 for determining the temperature of the sealing strip 1.1, which is preferably embodied as a plurality of sensor units 6 integrated in the sealing strip 1.1 according to FIG. 1.
  • the second sealing strip system 2 has a temperature sensor 26 for determining the temperature of the sealing strip 2.1, which is preferably designed as a plurality of sensor units 6 integrated in the sealing strip 2.1 according to FIG.
  • the second sealing strip system 2 also has a sensor for detecting noise, which is preferably designed as a sound sensor 7 integrated in the sealing strip holder 2.2.
  • the first sealing strip system 1 has an adjusting mechanism for changing the position of the sealing strip 1.1, which preferably comprises a positioning hose 1.3. About the adjustment of the contact pressure of the sealing strip 1.1 and / or the distance between the sealing strip 1.1 and roll shell 3 is controlled and / or regulated.
  • the first sealing strip system 1 has a lubricating water supply, wherein the amount of introduced lubricating water is controllable and / or controllable.
  • the lubricating water supply is preferably designed as a spray tube 1.5 integrated in the sealing strip holder 1.2.
  • the second sealing performance system 2 has an adjusting mechanism for changing the position of the front portion of the sealing strip 2.1, which preferably comprises a Anstellschlauch 2.3. About the adjustment of the contact pressure of the front portion of the sealing strip 2.1 and / or the distance between the front portion of the sealing strip 2.1 and roll shell 3 are controlled and / or regulated.
  • the second sealing strip system 2 has a second adjusting mechanism for changing the position of the rear region of the sealing strip 2.1, which preferably comprises a stepping motor. About the second adjustment of the opening angle between the rear portion of the sealing strip 2.1 and the roll shell 3 is controllable and / or regulated.
  • the second sealing strip system 2 has a lubricating water supply, wherein the amount of introduced lubricating water is controllable and / or controllable.
  • the lubricating water supply is preferably designed as a spray tube 2.5 integrated in the sealing strip holder 2.2.
  • the control method according to the invention consists in a first variant in the detection of the negative pressure or vacuum in the suction box 4, wherein the contact pressure or the distance to the roll shell 3 of the first sealing strip 1.1 and the contact pressure or the distance to the roll shell 3 of the front portion of the second sealing strip 2.1 be regulated so that the minimum Abstelltik or that maximum distance sets, which is allowed to maintain the vacuum in the desired thickness in the interior of the suction box 4 upright.
  • the contact pressure or the distance can be varied together for both sealing strips 1.1, 2.1, for example, by the pressure hoses 1.3, 2.3 are subjected to the same pressure.
  • a particular advantage of this control method according to the invention is that the energy requirement of the roller is minimized because with a minimum contact pressure, the vacuum is maintained, resulting in a high saving.
  • the control method also a temperature sensor 16, 26 for detecting the sealing strip temperature of each sealing strip 1.1, 2.1 available.
  • the amount of lubricating water used for sealing strip 1.1 is controlled or regulated as a function of the measured values of the temperature sensor 16, and the amount of lubricating water used for sealing strip 2.1 is controlled or regulated as a function of the measured values of the temperature sensor 26.
  • the regulation of Quantity of lubricant depending on the temperature of the sealing strip 1.1, 2.1 is also without the aforementioned regulation of Anstell horrs used or advantageous.
  • the noise level to or on the second sealing strip system 2 and depending on the measured value of the distance of the rear portion of the sealing strip 2.1 to the roll shell 3 and thus the opening angle of the gap between sealing strip 2.1 and Roll shell 3 regulated so that there is a minimal noise level.
  • This method can also be used advantageously separately from the methods described above, since the noise development on conventional sealing strips can amount to up to 110 dBA and can thus be hazardous to health.
  • a mini server preferably wirelessly, in which the control and regulation rules are stored, which can optionally be modified by a program or a user.
  • the Miniserver determines from the measured values the required manipulated variables for controlling the actuators.
  • the mini server is connected to a display and input device, in particular wirelessly to display the operating parameters, or to allow manual changes.
  • the intelligent system for controlling all the essential parameters within a suction roll which can be centrally monitored preferably by a mini server and changed either by the system or by the user in dependence on each other, ensures the most energy-efficient and quiet operation and preventive maintenance.
  • the System is based on components equipped with sensors such as in particular sealing strip, pressure hose, sealing strip holder and spray tube, which preferably provide constant information about the externally not visible and / or controllable process via radio / WLAN and thus provide in a unique form information about the operating condition of the suction roll ,
  • FIGS. 5, 6 and 7 show exemplary lubricant feeds.
  • the sealing strip holder 1.2 has in these embodiments, a plurality of openings 10, which are for example in the form of holes, which are arranged distributed over the longitudinal direction of the sealing strip holder 1.2 spaced apart.
  • the bores of the openings 10 extend in such a way that an imaginary rectilinear extension of these leads into the corner region between the sealing strip 1.1, 2.1 and the roll shell 3.
  • the openings 10 may have a common feed channel 12, or as in Fig. 6 are each supplied via its own feed channel 13 with lubricating water.
  • the feed channels 12, 13 may be formed by recesses in the contact region of two adjoining parts of the sealing strip holder 1.2, including a supply part 11 is plugged or screwed to the actual sealing strip holder 1.2.
  • the recesses can each be present in cross-sectional shape of a semicircle in the actual sealing strip holder 1.2 and in the feed part 11, so that a spray tube 1.5, 2.5 can be inserted into this.
  • Smaller tubes are preferably attached to the spray tube 1.5, 2.5, which run in the openings 10 and / or have spray nozzles 1.4, 2.4 at the end.
  • the feed channel 12, 13 resulting from the two recesses can also be used to supply the lubricating liquid.
  • the supply part 11 may be designed with hollow chambers, wherein the supply of the lubricant up to the spray nozzles 1.4, 2.4 or the openings 10 can be made exclusively in the feed part 11, as shown in Fig. 6.
  • the sealing strip holder 1.2, 2.2 may also be designed as a single component, wherein the sealing strip holder 1.2, 2.2 feeders, for example, one or more holes in its longitudinal direction, the openings 10 through normal to these running Holes are formed.
  • the sealing strip holder 1.2, 2.2 can advantageously also be designed as a hollow profile (for example extruded or extruded), wherein at least one chamber of the hollow profile is used to supply lubricating water, to which this chamber is preferably closed at one end of the hollow profile and at the other end to a Supply line 14 is connected and the hollow profile is provided with openings 10 which lead into at least one used as a feed chamber of the hollow profile.
  • the chamber may also extend only over a portion of the length of the opening of the hollow profile, for example by the chamber is bounded on both sides by partitions inserted into the opening.
  • the connection of the supply line 14 can be made through an opening in one of the partitions or through an opening from the lateral surface of the hollow profile in the chamber.
  • the hollow profile in the pultrusion method (also called pultrusion or pultrusion called) manufactured, and is thus a fiber-reinforced plastic profile.
  • the sealing strip holder 1.2, 2.2 on its side facing the roll shell 3 preferably has a region sloping down towards the sealing strip 1.1, 2.1, which together forms a groove with the sealing strip 1.1, 2.1, over which excess lubricating water can advantageously flow off in a controlled manner laterally in the longitudinal direction of the sealing strip holder 1.2, 2.2.
  • an inventive sealing strip holder is seen in the direction of movement of the roll shell 3 viewed from the front.
  • an opening 10 can be supplied via its own feed channel 13, wherein each supply channel 13 has its own supply line 14, the flow rate of which can preferably be controlled or regulated by a valve 15.
  • the openings 10 can be widened in the form of a slot in the longitudinal direction of the sealing strip holder 1.2, 2.2, so that the fluid jet emerging from the openings 10 covers a larger length region of the sealing strip 1.1, 2.1.
  • a plurality of openings 10 can be fed from a common feed channel 12, wherein the common feed channel 12 has a supply line 14, the flow rate of which can preferably be controlled or regulated by a valve 15.
  • the supply channels 12, 13 have at least one connection point for the supply line 14, wherein these, as shown in FIG. 8, preferably on at least one of the two end sides, preferably on that on which the other connections for the pressure hoses or electrical connections, etc are located. Less preferably, the connection point can also take place at another position of the sealing strip holder 1.2, 2.2, for example at its front or bottom.
  • sealing strip system for a suction roll which in the interior at least one suction box (4), which is laterally sealed by a sealing strip system (1, 2) against the roll shell (3) and each sealing strip system (1, 2) a sealing strip (1.1, 2.1), which is inserted in a sealing strip holder (1.2, 2.2), characterized in that
  • At least one lubricant supply is integrated in at least one sealing strip holder (1.2, 2.2), wherein in the sealing strip holder (1.2, 2.2) at least one opening (10) of the lubricant supply extends to an outer side of the sealing strip holder (1.2, 2.2) which moves in the direction of movement of the Roll mantle (3), in front of the sealing strip (1.1, 2.1) is located.
  • Sealing strip system characterized in that the lubricant supply has a in the sealing strip holder (1.2, 2.2) integrated spray tube (1.5, 2.5), of which a plurality of openings (10) extend to that outside of the sealing strip holder (1.2, 2.2), which in the direction of movement of the roll shell (3) seen in front of the sealing strip (1.1, 2.1).
  • sealing strip system characterized in that the lubricant supply is formed by at least one in the sealing strip holder (1.2, 2.2) provided hollow chamber, from which a plurality of openings (10) to that outside of the sealing strip holder (1.2, 2.2) extend, which in the direction of movement of the roll shell (3) seen in front of the sealing strip (1.1, 2.1).

Landscapes

  • Paper (AREA)
  • Coating Apparatus (AREA)
  • Package Closures (AREA)
  • Advancing Webs (AREA)
  • Sealing Devices (AREA)

Abstract

L'invention concerne des systèmes d'étanchéité de cylindres aspirants à l'intérieur desquels se trouve au moins un caisson aspirant (4) qui est rendu étanche latéralement par rapport à l'enveloppe de cylindre (3) par respectivement un système de baguette d'étanchéité (1, 2). Chaque système de baguette d'étanchéité (1, 2) comprend une baguette d'étanchéité (1.1, 2.1) qui est insérée dans un support (1.2, 2.2) de baguette d'étanchéité, et au moins une amenée de lubrifiant est intégrée dans au moins un support (1.2, 2.2) de baguette d'étanchéité. Dans le support (1.2, 2.2) de baguette d'étanchéité, au moins une ouverture (10) de l'amenée de lubrifiant s'étend au niveau du côté extérieur du support (1.1, 2.2) de baguette d'étanchéité et se trouve en amont de la baguette d'étanchéité (1.1, 2.1) dans le sens de déplacement de l'enveloppe de cylindre (3).
EP15781853.5A 2014-09-15 2015-09-14 Support de baguette d'étanchéité et son utilisage Active EP3194656B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15781853T PL3194656T3 (pl) 2014-09-15 2015-09-14 Uchwyt listwy uszczelniającej oraz jego zastosowanie

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA50641/2014A AT516191B1 (de) 2014-09-15 2014-09-15 Dichtleistensysteme für Saugwalzen
ATA50655/2015A AT516210B1 (de) 2014-09-15 2015-07-24 Dichtleistenhalter
PCT/AT2015/050229 WO2016040975A1 (fr) 2014-09-15 2015-09-14 Support de baguette d'étanchéité

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EP15781852.7A Active EP3194655B1 (fr) 2014-09-15 2015-09-14 Système de baguettes d'étanchéité pour un cylindre aspirant

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EP (2) EP3194656B1 (fr)
CN (2) CN106715793A (fr)
AT (2) AT516191B1 (fr)
ES (2) ES2902855T3 (fr)
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US10179973B2 (en) 2019-01-15
US10184214B2 (en) 2019-01-22
AT516210B1 (de) 2017-04-15
ES2902855T3 (es) 2022-03-30
EP3194656B1 (fr) 2021-11-17
EP3194655A2 (fr) 2017-07-26
ES2902858T3 (es) 2022-03-30
WO2016040974A3 (fr) 2016-05-12
CN106715792A (zh) 2017-05-24
PL3194656T3 (pl) 2022-03-07
WO2016040975A1 (fr) 2016-03-24
AT516210A3 (de) 2016-06-15
AT516210A2 (de) 2016-03-15
AT516191B1 (de) 2016-08-15
WO2016040974A2 (fr) 2016-03-24
PL3194655T3 (pl) 2022-02-28
AT516191A1 (de) 2016-03-15
CN106715793A (zh) 2017-05-24
CN106715792B (zh) 2019-05-17
US20170254019A1 (en) 2017-09-07
US20170254020A1 (en) 2017-09-07
EP3194655B1 (fr) 2021-11-03

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