EP3461949A1 - Procédé et dispositif de surveillance d'un dispositif d'usure, en particulier d'un dispositif d'étanchéification - Google Patents

Procédé et dispositif de surveillance d'un dispositif d'usure, en particulier d'un dispositif d'étanchéification Download PDF

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Publication number
EP3461949A1
EP3461949A1 EP18202794.6A EP18202794A EP3461949A1 EP 3461949 A1 EP3461949 A1 EP 3461949A1 EP 18202794 A EP18202794 A EP 18202794A EP 3461949 A1 EP3461949 A1 EP 3461949A1
Authority
EP
European Patent Office
Prior art keywords
wear
sealing element
time
sealing
machine
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.)
Pending
Application number
EP18202794.6A
Other languages
German (de)
English (en)
Inventor
Marc Erkelenz
Jochen Honold
Christian GOMMERINGER
Samee FARAJI
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 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
Priority claimed from DE102015207383.1A external-priority patent/DE102015207383B4/de
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to EP19164554.8A priority Critical patent/EP3533925B1/fr
Publication of EP3461949A1 publication Critical patent/EP3461949A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • D21G9/0027—Paper-making control systems controlling the forming section
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/023—Stationary screen-drums
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens
    • 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
    • D21F1/52—Suction boxes without 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
    • D21F3/10—Suction rolls, e.g. couch rolls

Definitions

  • the invention relates to a method for monitoring a wear device, in particular a sealing device in a machine for producing or processing a fibrous web according to the preamble of claim 1 and a device for monitoring a sealing device according to the preamble of claim 13.
  • Object of the present invention is to propose a method that allows a much more accurate prediction of the remaining operating time of a wear element, in particular a sealing strip, as the method known from the prior art.
  • the object is fully achieved by a method for monitoring a wear device, according to the characterizing part of claim 1, and by a device for monitoring a sealing device according to the characterizing part of claim 13.
  • the method according to the invention describes a method for monitoring a wear device in a machine for producing or processing a fibrous web.
  • the wear device comprises at least one wear element, which is exposed to wear in particular by frictional contact.
  • the sealing device may also include other components such as holders for the at least one wear element or means for pressing the wear element to a moving surface or means for moving the wear element beyond.
  • a particularly preferred embodiment of this method according to the invention is a method for monitoring a sealing device for sealing at least one under or overpressure zone adjacent to a surface moved in a movement direction in a machine for producing or processing a fibrous web.
  • the sealing device comprises at least one sealing element, which is in frictional contact with the moving surface and is thus exposed to wear.
  • the sealing device may also contain other components such as e.g. Mounts for the at least one sealing element or means for pressing the sealing element to the moving surface.
  • the moving surface around the rotating shell is a suction roll and the sealing element or the sealing elements are sealing strips which are pressed against the roll shell for sealing.
  • the sealing element or the sealing elements are sealing strips which are pressed against the roll shell for sealing.
  • other sealing devices are conceivable, such as the sealing of a suction box on a moving fabric.
  • a point in time z0 is provided at which the wear element or the sealing element was installed or went into operation.
  • the provision of this or another time can be done either automatically, or by manual input.
  • a time z1 is provided at which a defined first level of wear of the wear element or the sealing element has been achieved. The difference between these two times describes the time that has elapsed before reaching the specified level of wear.
  • an extrapolation for example a linear extrapolation
  • a first estimate for the remaining operating time of the wear element or of the sealing element can already be obtained. For example, one could conclude: 50% wear in n days, resulting in 100% wear in 2 times n days.
  • At least one further parameter K1 is provided, which contains, for example, information about one or more aspects which contribute to an uneven wear of the wear element or the sealing element. This can be data on the machine speed or standstill times in the operating period of the wear element or the sealing element. However, other data may also be relevant and be provided as a further characteristic K1.
  • Lubrication monitoring information change in the inner roughness of the roll mantle, number of revolutions of the rolls, contact pressure of the sealing strip, etc.
  • the prediction of a remaining operating time of the wear element or of the sealing element takes place according to the invention using the times z0 and z1 or the difference time between z0 and z1 and the at least one further characteristic K1 by means of a computer system.
  • an effective operating time of the sealing element is used, that is, the time z1-z0, minus the standstill times of the machine in this period. This effective operating time can then be extrapolated linearly, for example, as described above.
  • this prediction can be controlled continuously, and corrected, for example, due to changes in the further characteristic K1 and, of course, including the current date or the current time become.
  • additional characteristics K2, K3, K4 ... are provided and these parameters are included in the prediction of the remaining operating time of the wear element or the sealing element.
  • additional additional parameters the quality of the prediction can be further improved in many cases.
  • up to four parameters, or up to eight such parameters or even more than eight such further parameters can be included in the prediction of the remaining operating time.
  • the parameter K1 and / or one or more of the additional additional parameters K2, K3, K4 can describe one or more aspects of the mode of operation of the machine.
  • the mode of operation of the machine since the time when the sealing element went into operation can be described by these characteristics.
  • the characteristics also include information from the time before installation of the wear element or the sealing element.
  • information about future operating modes of the machine can also be provided as a further parameter. This may, for example, be data from production planning, such as a standard variety schedule, or information about planned shutdowns, etc.
  • the further parameter K1 and / or one or more of the additional further parameters K2, K3, K4 ... the machine speed, the operating times of the machine, the standstill times of the machine, the type and / or quantity of the products produced describe the contact pressure of the sealing element on the moving surface.
  • the further parameter K1 and / or one or more of the additional further parameters K2, K3, K4 ... the machine speed, the operating times of the machine, the standstill times of the machine, the type and / or quantity of the products produced describe the contact pressure of the sealing element on the moving surface.
  • other or more sizes are possible.
  • the machine speed can be present directly as the production speed of the machine in m / min. But it can also be in the form of the rotational speed of a suction roll, the speed of one or more drives or the like described. Also, the number of roller revolutions from a certain point in time can be used as a description of the machine speed. These data all describe the production speed of the machine and, if necessary, to the knowledge of geometric variables such as a roll circumference or the like. very easy to convert into each other.
  • the characteristic K1 is a size that describes the machine speed.
  • the parameter K2 describes the type and / or quantity of the products produced or the contact pressure of the sealing element on the moving surface.
  • the parameter K1 indicates the number of roller revolutions since a specific time (for example, the installation of the sealing element) -a type of description of the machine speed-and the parameter K2 describes the internal roughness of the roller shell.
  • a parameter K3 which contains information about the lubricant supply of the sealing element (for example, the amount of lubricating water), can be used in both cases in addition to or as a substitute for one of the parameters K1 or K2.
  • the provision of the data can be carried out according to the invention in various ways. For example, it may be provided that the further parameters are continuously retrieved and stored in a database.
  • This database can e.g. on the computer of the computer system on which the calculation is made, or be created on another computer. It can also be provided that this other computer is not operated by the operator of the paper machine, but by another operator, and the data is transmitted to this database.
  • At least one further time z2, preferably several further times z3, z4, ... are provided, at which a fixed second, third, fourth, ... wear level has been reached, wherein each time the provision of a new time, the remaining operating time can be redetermined taking into account all already provided time points and the further characteristic or the other parameters.
  • the provision of further times at which a specified level of wear has been achieved is therefore advantageous since so that the accuracy of the prediction of the remaining operating time is further improved. Especially towards the end of the life of the sealing element, this is advantageous in order to select the best possible time for the replacement of the sealing element.
  • the provision of at least one of the times z1, z2, z3, z4... is effected by a signal which is emitted by a sensor in the wear element or in the wear element the sealing element is transmitted directly or indirectly to the computer system.
  • a maximum of two or three sensors will be used in a sealing element.
  • more than three sensors in a sealing element are possible.
  • At least one of the further parameters K1, K2, K3, K4... Preferably several of the further characteristic variables K1, K2, K3, K4..., Is provided by a control system which is also used for monitoring, Control and / or regulation of the machine is used.
  • one of the wear levels is set between 20% and 10% residual wear, preferably between 20% and 15% residual wear.
  • the exact knowledge of the achievement of a comparatively late wear level allows a more accurate prediction of the remaining operating time of the wear element or the sealing element.
  • the remaining operating time is displayed on a display device.
  • Such a threshold value may, for example, be chosen such that a routine standstill of the machine always occurs in the remaining operating time, in which case the sealing element can be exchanged.
  • the threshold value can also be chosen so that the operator still has enough time to reorder a new wear element or sealing element. It is also possible to specify several thresholds at which signals for different actions are generated. (e.g., a signal to initiate an order and a later signal to plan the replacement of the sealing element).
  • the generated notification signal or one of the generated indication signals can be displayed, for example, on an optical or acoustic display device and / or forwarded to another computer system. In this case, it may be provided according to the invention, for example, that such a signal is forwarded to an electronic procurement system or procurement system.
  • the prediction of a remaining operating time of the wear element or of the sealing element can take place in the form of a single value or in the form of an interval.
  • a lower limit and an upper limit for the remaining operating time are specified. These can For example, be determined on the assumption that one or more of the other parameters K1, K2, K3, K4 ... change in the future by a certain percentage.
  • the lower limit indicates the remaining operating time if the average machine speed increases in the future by 5% or 10% or the average downtime of the machine is reduced by 5% or 10%.
  • the upper limit would be the remaining operating time in the event that the average machine speed is reduced by 5% or 10% or the average downtime of the machine is increased by 5% or 10%.
  • the operator receives an indication of the reliability of the estimate as well as an indication of the extent to which he can influence the remaining operating time by changing the operating mode of the system. For example, this can be helpful in the question of whether the sealing element can still remain installed until the next scheduled standstill, if one produces at a somewhat increased speed.
  • the invention comprises a device for monitoring a sealing device for sealing at least one under or overpressure zone adjacent to a moving surface in a movement direction in a machine for producing or processing a fibrous web.
  • the device comprises at least one sealing element with at least one, preferably a plurality of wear sensors, a computer system and means of signal transmission from the at least one wear sensor to the computer system.
  • the at least one sealing element may comprise or consist of a sealing strip.
  • the sealing element in particular also the sealing strip, comprises, according to an advantageous embodiment, at least one wear sensor indicating a level of wear between 80% and 50% residual wear and / or a wear sensor indicating a wear level between 20% and 10% residual wear.
  • the device comprises a display device which displays the remaining operating time of the sealing element. It can also be provided that the device does not include its own display device, but shares a display device with other devices.
  • the display device may be a screen in a control room of the machine, on which other values are displayed in addition to the remaining operating time or in alternation therewith.
  • the at least one wear sensor comprises at least one hose which is filled with a medium and is destroyed as the wear of the sealing element progresses.
  • the resulting pressure drop can be detected and can serve as an indication that - depending on the installation position of the hose - a certain level of wear is reached.
  • the at least one wear sensor comprises at least one optical waveguide or an electrical conductor, which is destroyed as the wear of the sealing element progresses.
  • the at least one wear sensor comprises a temperature sensor or from it consists.
  • a temperature sensor can perform a dual function. On the one hand, it provides data on the temperature of the sealing element, eg the sealing strip at the installation position of the temperature sensor. With progressive wear of the sealing element of the temperature sensor can then be damaged or destroyed.
  • the absence of a temperature measuring signal of the temperature sensor can give an indication that the wear of the sealing element has progressed to the installation position of the temperature sensor.
  • an increase in the temperature can be measured. Also from the knowledge of this temperature increase information about the state of wear of the sealing element can be obtained.
  • Another wear device which can be monitored by means of a method according to the invention is a sorter for the treatment of a pulp suspension.
  • the screen baskets used there are wear elements, which must be replaced after some time. The exact state of wear of the strainer basket can not be seen from the outside. In particular, the most accurate prediction possible of the remaining operating time of the screen basket is very desirable.
  • the aim of sorting is the separation of interfering solid constituents from pulp suspensions.
  • the separation is carried out by screening according to the particle characteristics of size, shape and deformability.
  • the sorting is an important separation process in the processing of waste paper.
  • sorters are used.
  • so-called basket sorters are used with a screen basket arranged in a housing.
  • the technical data of the screen basket are taken on an end ring of the screen basket. Since the screen basket is arranged in the housing of the respective sorter, the reading of these specifications is relatively expensive. In addition, the state of wear of the strainer basket remains uncertain, especially as there is no curriculum vitae or history for the baskets and no operating data is available.
  • the further inventive idea is based on the object of providing a system for monitoring the condition of a screen basket of a sorter for treating a pulp suspension, in which the aforementioned problems are eliminated.
  • a faster error-free readout of the screen basket relating to technical data is to be ensured and a more comprehensive monitoring of the state of the screen basket from the outside is made possible.
  • the system for monitoring the state of a screen basket of a sorter for treating a pulp suspension comprises, according to the further inventive idea, a wireless identification unit assigned to the screen basket arranged in a sorter housing and an external, in particular mobile reading unit for non-contact reading of technical data relating to the screen basket from the screen Identification unit and for establishing a connection with another external data bank containing the sorter data.
  • the technical data relating to the screen basket can be read out quickly and reliably from outside, ie from outside the sorter housing, in a cable-free and non-contact manner.
  • the sorter data is accessed, allowing a more comprehensive monitoring of the state of the screen basket.
  • a corresponding screen basket information can be read into the external database when installing the screen basket.
  • the further data relating to the sorter can, for example, be collected via a control system of the factory in which the sorter is installed and supplied to the external database. Sales staff and customers can each be given a particular mobile reading unit, so that they can control the screen basket from the outside, ie from outside the housing.
  • a respective reading unit comprises a display for displaying further data relating to the sorter retrieved from the external database.
  • Such an RFID chip in particular represents a transponder which contains the technical data relating to the screen basket.
  • the transponder is a radio communication device that receives incoming signals and automatically answers.
  • the coupling can be done by magnetic field generated by the reading unit short range or by high-frequency radio waves. This not only allows data to be transferred, but also the transponder can be supplied with energy. For larger ranges, for example, an active RFID chip with its own power supply is conceivable.
  • the reading device may contain software which controls the actual reading process for reading out the technical data relating to the screen basket from the identification unit or the RFID chip.
  • the reading unit may comprise an RFID middleware with an interface to the external database.
  • the identification unit preferably comprises at least one RFID chip assigned to the screen basket of the sorter.
  • the identification unit comprises both an RFID chip assigned to the screen basket of the sorter and an RFID chip assigned to the housing of the sorter, wherein the RFID chip assigned to the screen basket is connected via a software coupling can be coupled to the RFID chip associated with the housing and the RFID chip assigned to the housing can be read out via the reading unit.
  • the reading unit can establish a connection between the RFID chip assigned to the housing and the external database.
  • the connection between the RFID chip and the external database is not affected in this case by the usually metallic case of the sorter.
  • the RFID chip associated with the screen basket of the sorter can also be read out via the reading unit.
  • the RFID chip assigned to the screen basket of the sorter is preferably arranged in the region of the opening of the sorter which can be closed by a cover.
  • the lid of the sorter can then be removed, whereupon the RFID chip associated with the screen basket of the sorter can be read out directly by means of the reading unit.
  • the RFID chip associated with the screen basket of the sorter can, in particular, be arranged on or in an end ring of the screen basket.
  • the RFID chip associated with the screen basket of the sorter is arranged on or in one of the openings of the screen basket which can be closed by a lid of the sorter.
  • the screen basket of the sorter associated RFID chip is preferably arranged on the opening of the sorter facing the top of the end ring.
  • the RFID chip assigned to the screen basket of the sorter is arranged on the radial inner side of the end ring, thus further improving the accessibility of the RFID chip for coupling the reading unit.
  • the RFID chip assigned to the screen basket of the sorter is accommodated sunk in the end ring.
  • the sunk in the end ring of the screen basket housed RFID chip is preferably encapsulated with plastic or preferably Teflon.
  • Such a cover is convenient because the strainer basket is typically recycled, i. especially chromed and electropolished.
  • the other data relating to the sorter are preferably stored together with the technical data relating to the screen basket in the external database.
  • the assignment to the other data relating to the sorter can thus be established in the external database.
  • the further data relating to the sorter via the reading unit include production data of the screen basket, cv basket cv data, sorter operation data, wear data of the screen basket and / or the like.
  • the manufacturing data of the screen basket may contain, for example, data relating to the construction, the material, the size, etc. of the screen basket.
  • the cuvette's cv data may include, for example, data regarding reprocessing of the screen basket, storage times, etc.
  • the operating data of the sorter include, for example, the running time, the flow / pressure at the inlet / outlet of the sorter, the rotational speed, etc. This information can be obtained, for example, via the machine control of the sorter.
  • the system according to the invention comprises data processing means for determining the baskets' throughput, the speed of rotation of the strainer basket, the energy balance between the input and the outputs of the sorter and / or the like on the basis of the service life of previous screen baskets To determine the degree of wear of the screen basket and thus the next change date for the screen basket.
  • a prediction of the remaining operating time of the screen basket is determined by means of the method on the basis of this data.
  • a system for monitoring the state of a screen basket of a sorter can be used in a plant for producing a fibrous web either alone or in combination with a device according to the invention for monitoring a sealing device.
  • a combination offers the advantage that the operator thereby gains a more comprehensive knowledge of the current state of essential wearing parts in his system. For example, a optimized standstill planning. A planned plant downtime can then for example be set so that sealing strips and baskets can be replaced together.
  • FIG. 1 schematically shows a sealing strip 1, which is in frictional contact with a moving surface 200.
  • This sealing strip 1 can be used in a suction roll, and seal a suction or blowing zone against the environment. However, it can also be in contact with a covering, in particular a sieve or a press felt, in order, for example, to seal a suction box.
  • the sealing strip 1 in FIG. 1 includes a wear sensor 2. This sensor 2 generates a signal as soon as a specified level of wear of the sealing strip 1 is reached.
  • a sealing strip 1 is shown with a sensor 2, but sealing strips 1 often comprise a plurality of wear sensors, preferably two or three. This makes it possible to set several levels of wear, upon reaching the sealing strip 1 sends a signal.
  • one of the levels of wear can be set between 80% and 50% residual wear. The exact knowledge of the achievement of a comparatively early level of wear makes it possible to determine very early a first prediction of the remaining operating time of the sealing element 1.
  • the sensors 2 may also be positioned so that they have residual wear at wear levels other than those indicated above, in particular between 50% and 20% Signal. However, it is important for the method to know at which level of wear the respective sensor 2 sends a signal. This is determined prior to installation, and the sensors are positioned accordingly.
  • the sensor signal is transmitted to a computer system.
  • the transmission can be wired or wireless, such as via WLAN, Bluetooth or similar suitable signal lines 5 done.
  • one or more further parameters are transmitted to the computer system 3. These characteristics are transmitted here by the control system 6 of the machine and can describe operating conditions of the machine such as machine speeds, operating times of the machine, downtime times of the machine, the type and / or quantity of products produced, or the contact pressure of the sealing element to the moving surface , These parameters can be transmitted continuously to the computer system 3, or at certain discrete times.
  • the computer system 3 calculates a prediction of the remaining operating time of the sealing strip on the basis of the time point z0 at which the sealing strip 1 has been installed and the time z1 at which a certain level of wear has been reached, together with the further parameters from the control system 6 1.
  • the time z1 is transmitted here by a signal from the sensor 2 in the sealing strip 1. If more than one sensor 2 is installed, signals z2, z3, z4 .... may be transmitted to the computer system 3 at additional times, whereby the prediction can be improved by recalculation.
  • the sensors typically provide a signal to the computer system 3 only at the discrete times z1, z2, z3, z4, .... In the intervals between them, the computer system continuously updates the remaining time remaining using the metrics from the control system and the current time.
  • the computer system 3 usually has a display device 4, on which the remaining operating time can be displayed.
  • FIG. 1 shows the computer system 3 and the control system 6 as spatially separated objects, which are connected to each other by means of a wired or wireless signal line 5a.
  • the two computer systems are realized in one unit.
  • the calculation of the prediction of the remaining operating time can be carried out on a computing unit of the control system 6.
  • the display of the remaining operating time can then take place, for example, on one or more monitors in a control room of the machine.
  • the computer system 3 is connected to a further computer system 7 via a signal line 5b.
  • This can be an electronic procurement system 7. If the remaining operating time of the sealing strip 1 reaches a predetermined threshold value, then a signal can then be sent to the procurement system 7 in order to initiate a timely purchase of a new sealing strip 1 or the like. Alternatively or additionally, when another or the same threshold value is reached, a signal can also be sent to another computer system 7 which plans or manages the planning of the maintenance work on the machine.
  • FIG. 2 shows a section of a sealing strip 1 for a device according to the invention.
  • the sealing strip 1 has a certain maximum wear volume 30 in the direction of wear V. If this volume 30 is removed by the frictional contact of the sealing strip 1 with the moving surface 200 or by other effects, the sealing strip 1 can no longer fulfill its function and it can even damage the moving surface 200, for example the suction roll shell or the clothing come. The remaining operating time of the sealing strip 1 is thus the time until the maximum wear volume is completely removed at least at one point over the length L of the sealing strip 1.
  • three wear sensors 2a, 2b, 2c are provided. They can each be designed as a hose which is filled with a medium, for example air or water.
  • wear sensors 2a, 2b, 2c are conceivable, such as optical sensors (optical waveguides) or electrical conductors.
  • the first sensor 2a can be positioned so that it gives a signal as soon as only a level of wear between 80% and 50% of the maximum wear volume 30 is available.
  • the third sensor 2c can be positioned such that it gives a signal as soon as only a wear level between 20% and 10% of the maximum wear volume 30 is available.
  • the second sensor 2b can be positioned between the other two and, for example, give a signal as soon as only a level of wear between 40% and 30% of the maximum wear volume 30 is available.
  • the last sensor 2 c is positioned so that at the time of the sensor signal, or when the corresponding wear levels sufficient operating time of the sealing element 1 remains sufficient time for a planned and controlled maintenance or replacement of the sealing element - Preferably in the context of a routine standstill of the machine - remains.
  • FIG. 3 in a purely schematic representation of an exemplary embodiment of a system 10 for monitoring the state of a screen basket 12 of a sorter for the treatment of a pulp suspension according to the further inventive idea ..
  • the system 10 includes according to FIG. 4 a wireless identification unit 14 associated with a screen basket 12 arranged in a housing 24 of the sorter and an external, in particular mobile reading unit 16 for non-contact reading of technical data 18 relating to the screen basket 12 from the identification unit 14 and for establishing a connection with a further data relating to the sorter containing external database 20.
  • the reading unit 16 may include a display for displaying further data related to the sorter retrieved from the external database.
  • the identification unit 14 may comprise at least one RFID chip. In this case, it comprises at least one RFID chip associated with the screen basket 12 of the sorter.
  • the identification unit 14 may comprise both an RFID chip assigned to the screen basket 12 of the sorter and an RFID chip assigned to the housing 24 of the sorter, wherein the RFID chip assigned to the screen basket 12 a software coupling can be coupled to the RFID chip assigned to the housing 24 and the RFID chip assigned to the housing 24 can be read out via the reading unit 16.
  • the RFID chip assigned to the screen basket 12 of the sorter can also be read out via the reading unit 16 directly.
  • the RFID chip assigned to the screen basket 12 of the sorter can be read out directly via the reading unit 16
  • the RFID chip assigned to the screen basket 12 of the sorter is expediently arranged in the region of the opening of the sorter which can be closed by a cover.
  • the RFID chip associated with the screen basket 12 of the sorter can be arranged, in particular, on or in one of the end openings 22 of the screen basket 12 which can be closed by an opening of the sorter which can be closed by a lid.
  • the RFID basket associated with the screen basket 12 of the sorter is correspondingly arranged on or in the upper end ring 22 of the screen basket 12.
  • the RFID chip associated with the screen basket 12 of the sorter can be arranged, for example, on the upper side of the end ring 22 facing the opening of the sorter or else on the radial inner side of the end ring 22.
  • strainer basket 12 is usually reprocessed, i. chromed and electropolished.
  • the other data relating to the sorter can be stored in the external database 20 together with the technical data relating to the screen basket 12.
  • the technical data 18 read out by the identification unit 14 of a respective screen basket 12 the relevant further data contained in the external database 20 can thus be assigned to the screen basket 12.
  • the further data relating to the sorter via the reading unit 16 from the external database 20 may in particular comprise production data of the screen basket 12, cv data of the screen basket 12, operating data of the sorter and / or the like.
  • the manufacturing data of the screen basket 12 include, for example, the construction, the material, the size or the like of the screen basket 12 relating data.
  • the cv data of the screen basket 12 may include, for example, data for reprocessing the screen basket 12, storage times, etc. include.
  • the operation data of the sorter include, for example, data regarding the running time, the flow / pressure at the inlet / outlet of the sorter, data relating to the rotational speed of the screen basket 12 and / or the like.
  • the relevant information can be supplied in particular by the machine control of the sorter.
  • Such a system can also be monitored by means of the method according to the invention. As a result, a prediction of the remaining operating time of the wear element 12, that is, the screen basket 12 is delivered. This information can be used, for example, to optimize standstill planning.
  • the system 10 may comprise, for example, data processing means integrated in the reader 16 and / or in the external database 20, in order to calculate the total, based on the lifetime of previous screen baskets previously handled by the screen basket 12 throughput, the rotational speed of the screen basket 12, the energy balance between the input and the outputs of the sorter and / or the like to determine the degree of wear of the screen basket 12 and thus the next change date for the screen basket 12.
  • data processing means integrated in the reader 16 and / or in the external database 20, in order to calculate the total, based on the lifetime of previous screen baskets previously handled by the screen basket 12 throughput, the rotational speed of the screen basket 12, the energy balance between the input and the outputs of the sorter and / or the like to determine the degree of wear of the screen basket 12 and thus the next change date for the screen basket 12.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Control Of Conveyors (AREA)
EP18202794.6A 2015-04-23 2016-04-21 Procédé et dispositif de surveillance d'un dispositif d'usure, en particulier d'un dispositif d'étanchéification Pending EP3461949A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19164554.8A EP3533925B1 (fr) 2015-04-23 2016-04-21 Système pour contrôler l'état d'un tamis

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102015207383.1A DE102015207383B4 (de) 2015-04-23 2015-04-23 Verfahren und Vorrichtung zur Überwachung einer Dichtungseinrichtung
DE102015210990 2015-06-16
EP16717405.1A EP3286375B1 (fr) 2015-04-23 2016-04-21 Procédé de surveillance d'un dispositif d'étanchéité et dispositif d'étanchéité
PCT/EP2016/058876 WO2016170042A1 (fr) 2015-04-23 2016-04-21 Procédé et dispositif de surveillance d'un moyen d'usure, notamment d'un moyen d'étanchéité

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16717405.1A Division EP3286375B1 (fr) 2015-04-23 2016-04-21 Procédé de surveillance d'un dispositif d'étanchéité et dispositif d'étanchéité
EP16717405.1A Division-Into EP3286375B1 (fr) 2015-04-23 2016-04-21 Procédé de surveillance d'un dispositif d'étanchéité et dispositif d'étanchéité

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP19164554.8A Division EP3533925B1 (fr) 2015-04-23 2016-04-21 Système pour contrôler l'état d'un tamis

Publications (1)

Publication Number Publication Date
EP3461949A1 true EP3461949A1 (fr) 2019-04-03

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EP16717405.1A Active EP3286375B1 (fr) 2015-04-23 2016-04-21 Procédé de surveillance d'un dispositif d'étanchéité et dispositif d'étanchéité
EP18202794.6A Pending EP3461949A1 (fr) 2015-04-23 2016-04-21 Procédé et dispositif de surveillance d'un dispositif d'usure, en particulier d'un dispositif d'étanchéification
EP19164554.8A Active EP3533925B1 (fr) 2015-04-23 2016-04-21 Système pour contrôler l'état d'un tamis

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EP16717405.1A Active EP3286375B1 (fr) 2015-04-23 2016-04-21 Procédé de surveillance d'un dispositif d'étanchéité et dispositif d'étanchéité

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Country Status (4)

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US (1) US10392750B2 (fr)
EP (3) EP3286375B1 (fr)
CN (2) CN107532381B (fr)
WO (1) WO2016170042A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516191B1 (de) * 2014-09-15 2016-08-15 Röchling Leripa Papertech Gmbh & Co Kg Dichtleistensysteme für Saugwalzen
WO2018204254A1 (fr) * 2017-05-01 2018-11-08 Stowe Woodward Licensco Llc Dispositif de surveillance de bande d'étanchéité de rouleau d'aspiration et système de commande d'eau de lubrification

Citations (4)

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WO2003056215A1 (fr) 2001-12-13 2003-07-10 Metso Paper, Inc. Indicateur d'usure du joint du rouleau aspirant d'une machine a papier ou a carton
DE102007027688A1 (de) * 2007-06-15 2008-12-24 Voith Patent Gmbh Temperatur geregelte Dichtleiste
DE102012208811B3 (de) 2012-05-25 2013-07-11 Voith Patent Gmbh Dichtleistensystem
DE102012207692A1 (de) 2012-05-09 2013-11-14 Voith Patent Gmbh Dichtleistensystem

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US6324490B1 (en) * 1999-01-25 2001-11-27 J&L Fiber Services, Inc. Monitoring system and method for a fiber processing apparatus
US7013287B1 (en) * 2000-02-22 2006-03-14 Voith Sulzer Paper Technology N. America, Inc. Stock preparation monitoring system and method of same
WO2002009844A1 (fr) * 2000-08-01 2002-02-07 Kadant Black Clawson, Inc. Procede et appareil de criblage
SE524527E8 (sv) * 2002-06-07 2015-10-20 Metso Paper Inc Flerstegssilanordning för silning av massasuspensioner
SE0303260D0 (sv) * 2003-12-04 2003-12-04 Metso Paper Inc Screening apparatus for screening pulp suspensions with monitoring means
KR20150004844A (ko) * 2012-04-24 2015-01-13 아크티에볼라게트 에스케이에프 베어링 모니터링 방법 및 시스템
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Publication number Priority date Publication date Assignee Title
WO2003056215A1 (fr) 2001-12-13 2003-07-10 Metso Paper, Inc. Indicateur d'usure du joint du rouleau aspirant d'une machine a papier ou a carton
DE102007027688A1 (de) * 2007-06-15 2008-12-24 Voith Patent Gmbh Temperatur geregelte Dichtleiste
DE102012207692A1 (de) 2012-05-09 2013-11-14 Voith Patent Gmbh Dichtleistensystem
DE102012208811B3 (de) 2012-05-25 2013-07-11 Voith Patent Gmbh Dichtleistensystem

Also Published As

Publication number Publication date
CN107532381A (zh) 2018-01-02
CN107532381B (zh) 2020-03-20
WO2016170042A1 (fr) 2016-10-27
EP3286375A1 (fr) 2018-02-28
US20180119355A1 (en) 2018-05-03
CN110273314B (zh) 2021-04-09
EP3286375B1 (fr) 2019-01-02
EP3533925A1 (fr) 2019-09-04
EP3533925B1 (fr) 2020-02-26
US10392750B2 (en) 2019-08-27
CN110273314A (zh) 2019-09-24

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