EP3003563A1 - Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé - Google Patents

Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé

Info

Publication number
EP3003563A1
EP3003563A1 EP14728174.5A EP14728174A EP3003563A1 EP 3003563 A1 EP3003563 A1 EP 3003563A1 EP 14728174 A EP14728174 A EP 14728174A EP 3003563 A1 EP3003563 A1 EP 3003563A1
Authority
EP
European Patent Office
Prior art keywords
roller
sensor
rollers
grinding
measuring device
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
EP14728174.5A
Other languages
German (de)
English (en)
Inventor
Peter Busenhart
Jason BURWELL
Mukul Agarwal
Emanuel REITER
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.)
Buehler AG
Original Assignee
Buehler AG
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 Buehler AG filed Critical Buehler AG
Priority to EP14728174.5A priority Critical patent/EP3003563A1/fr
Publication of EP3003563A1 publication Critical patent/EP3003563A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2210/00—Codes relating to different types of disintegrating devices
    • B02C2210/01—Indication of wear on beaters, knives, rollers, anvils, linings and the like

Definitions

  • the present invention relates to roller pairings, in particular grinding roller pairings, measuring devices for particular releasable insertion into a receiving opening of a roller body of a roller of a pair of rollers, in particular a grinding roller of a Mahlwalzencruung, product processing equipment containing at least one pair of rollers, in particular grinding equipment
  • Milling rollers such as those used in grain milling, require constant monitoring. It may happen, for example, that occasionally a so-called dry run occurs in which neighboring grinding rollers touch each other and the drive power of the engine is uncontrollably converted into heat. If this condition lasts too long, the temperature of the grinding roller may rise to a critical range and possibly cause a fire.
  • the DE 198 19 614 AI discloses temperature sensors which are arranged at a distance from the grinding rollers.
  • pressure sensors are known with the help of which the contact pressure between two adjacent grinding rollers can be measured.
  • AI vibration sensors for grinding rollers known. All of these sensors are also located outside the grinding rollers.
  • a pair of rollers in particular a
  • a grinding plant for grinding regrind in particular a grinding plant for grinding regrind, be provided with which a state of at least one roller or both rollers of a pair of rollers, in particular at least one grinding roller or both grinding rollers of a
  • Mahlwalzencruung can be determined with greater accuracy and are also less susceptible to contamination. In this way, at least in some embodiments, the reliability should be increased, and it should be possible to draw conclusions about the performance of a processing process, in particular a milling process.
  • This object is achieved on the one hand by a pair of rollers for the processing of a product containing two rollers, wherein at least one of the rollers, in particular both rollers, contains or contain at least one sensor.
  • it can be a pair of grinding rollers containing two grinding rollers, wherein at least one of the grinding rollers, in particular both grinding rollers, contains or contain at least one sensor.
  • bulk material is understood to mean a powdery, granular or pellet-shaped product which is used in the bulk goods processing industry, ie. H. in the processing of
  • Cereals grain milling products and end grain products of milling (in particular grinding of common wheat, durum, rye, corn and / or barley) or special milling (in particular peeling and / or grinding of soya, buckwheat, barley, spelled, millet / sorghum, pseudocereals and / or legumes ), the production of food for pets and pets, fish and
  • Cocoa beans, nuts and coffee beans the production of
  • mass means a food mass, such as a chocolate mass or a mass of sugar, or a printing ink, a coating
  • Food masses such as chocolate masses or
  • Grinding rolls in the sense of the present invention are designed to grind granular ground stock, which is usually guided between a pair of grinding rolls of two grinding rolls. Grinding rollers, in particular the grinding rollers of
  • the grinding roller pairings according to the invention usually have a substantially inelastic surface (in particular on their peripheral surface), which for this purpose may, for example, contain metal or consist of it, such as steel, in particular stainless steel. Between the grinding rollers of
  • Mahlwalzencruung is usually a relatively solid and often hydraulically controlled grinding gap.
  • the ground material is guided substantially vertically downwards through such a grinding gap.
  • the millbase is fed to the grinding rollers of a grinding roller pairing in many grinding systems by means of its gravitational force, wherein this feed can optionally be supported pneumatically.
  • the regrind is
  • a grinding roller in particular a grinding roller of a grinding roller pair according to the invention
  • a grinding device containing at least one such grinding roller differ, for example, from many rollers which are usually used for transporting paper.
  • Grinding roller pairing in particular at least one grinding roller, in particular both grinding rollers of the grinding roller pairing, can or can be formed, for example, as a smooth roller or as a corrugating roller or as a roller main body with screwed-on plates. Smooth rollers can be cylindrical or cambered.
  • Corrugating rolls may have various corrugation geometries, such as e.g.
  • At least one roller in particular both rollers of
  • Mahlwalzencruung in particular at least one grinding roller, in particular both grinding rollers of the Mahlwalzencruung, may or may have a length in the range 500 mm to 2000 mm and a
  • the peripheral surface of the roller in particular the grinding roller, is preferably permanently connected to the roller body and
  • the at least one sensor is designed to record measured values which characterize a state of at least one of the rolls, in particular of both rolls of the roll pairing. In particular, this may be a state of
  • a temperature for example, a temperature, a pressure, a force
  • At least one roller of the roller pairing in particular at least one grinding roller of the grinding roller pairing, itself contains the at least one sensor. If the roller rotates during operation, the sensor also rotates. In particular, the at least one sensor is arranged within a peripheral surface of the roller. Therefore, the at least one sensor is not in the product space through which the product, in particular the material to be ground, flows.
  • a product processing plant with at least one such roll, in particular a grinding plant with at least one such grinding roll, is thus significantly less susceptible to
  • the measurement can be done directly in the roller, which makes the measurement much more precise.
  • the sensor can be designed, for example, as a MEMS sensor (MEMS: Micro-Electro-Mechanical System).
  • MEMS Micro-Electro-Mechanical System
  • the senor is in data communication with at least one data sensor, wherein the data transmitter is designed for non-contact transmission of the measured values of the at least one sensor to a data receiver.
  • the measured values can be transmitted contactlessly with the aid of the at least one data transmitter to a data receiver which is not part of the roller.
  • it may be a dormant data receiver, compared to the
  • At least one sensor is moved during rotation of the roller. Through the contactless transmission can be consuming
  • the data transmitter is on or in the same roller as the sensor in data communication therewith
  • At least one roller in particular both rollers, contains a plurality of sensors as described above,
  • Sensors can be located at different positions along a
  • the sensors are arranged uniformly in the circumferential direction, whereby a rotational equilibrium arises.
  • At least one sensor can be embodied as a temperature sensor, wherein preferably a plurality of temperature sensors are provided, which are arranged along an axis of rotation of the roller in order to be able to determine a temperature profile along this direction;
  • Force sensor for determining the force component (s) in one or more directions
  • - Deformation sensor for determining an extension and / or a deflection path
  • - Rotary speed sensor in particular for determining a standstill of the roller
  • Grinding roller pairing for example a sensor arranged in an end face of the roller, in particular a MEMS
  • the roller may include a plurality of temperature sensors and deformation sensors.
  • all sensors are of the same type, that is, for example, designed as a temperature sensor.
  • at least one roller, in particular both rollers to contain or contain sensors of different types. Wear and tear here and hereinafter means the mechanical wear of the peripheral surface of the roller, in particular the grinding roller. Such wear can
  • a change in resistance which results from a removal of material on the peripheral surface.
  • a wear on a changed pressure and / or a changed path length may be determined for example via a change in resistance, which results from a removal of material on the peripheral surface.
  • rollers contain or contain both a plurality of sensors and at least one data transmitter, then it is preferred if the at least one data transmitter for
  • Data receiver is formed.
  • at least one roller in particular both rollers, in each case at most only a single, more preferably exactly one single
  • Data transmitter contains, this roller, in particular both rollers, preferably at least one multiplexer, the
  • Measured values are arranged and designed on the data transmitter.
  • the non-contact transmission for example, by
  • Infrared radiation by light pulses, by radio frequency signals, by inductive coupling or by any combination thereof.
  • the non-contact transmission of the measured values here and in the following also always includes the transmission of data which are obtained by a corresponding processing of the measured values and which are thus based on the measured values.
  • at least one roller in particular both rollers, contain at least one signal converter, in particular at least one A / D converter, for converting the measured values detected by the at least one sensor.
  • Each sensor must be assigned at least one signal converter which converts the measured values detected by this sensor.
  • the converted signals can be supplied to a multiplexer as already described above. If the signal converters are an A / D converter, then the
  • Multiplexer to be a digital multiplexer.
  • the signal converter can also be connected between a multiplexer as described above and the data transmitter
  • the multiplexer may be an analog multiplexer.
  • At least one roller in particular both rollers, in particular a roller body described below at least one roller, in particular of both rollers, at least one energy receiver and / or at least one
  • At least one sensor and / or at least one multiplexer in particular at least one as described above
  • the data transmitter contained on or in the roller and / or at least one data transmitter of a measuring device described below can be achieved.
  • it may be an inductive energy receiver.
  • the energy receiver for example, have at least one receiving coil, with the aid of electromagnetic energy can be inductively coupled.
  • the energy receiver can also be designed to receive light energy.
  • at least one selection roller, in particular both rollers contains at least one, in particular, rechargeable battery or contain, with the help of which said power supply can be achieved.
  • the energy generator can be designed to generate energy from the movement of the roller.
  • the energy generator can be designed to generate energy
  • thermoelectric effects e.g. the Seebeck effect, Peltier effect or Thomson effect, for example by means of a thermocouple, and / or
  • roller for example by means of at least one piezoelectric element and / or mechanically.
  • the roller can be at least one
  • At least one roller in particular both rollers, contains at least one printed circuit board (in particular a MEMS printed circuit board) on which the at least one sensor and / or at least one multiplexer (in particular at least one multiplexer as described above) and / or at least one signal converter (in particular at least one as above
  • Data transmitter (in particular the data transmitter contained on or in the roller) and / or at least one energy receiver
  • the printed circuit board may contain test leads via which the sensors are connected to the
  • Such a printed circuit board has the advantage that said components can be arranged very compactly on this and that the printed circuit board is manufactured as a separate assembly and at least in some
  • Embodiments can be replaced as needed.
  • the sensors can also be connected via a cable harness to the data transmitter and / or the
  • At least one roller in particular both rollers, comprises a roller body having at least one receiving opening and at least one measuring device, which is in particular detachably insertable or inserted into the receiving opening.
  • the peripheral surface of the roller body forms at least part of the circumferential surface of the roller, in particular the entire circumferential surface of the roller.
  • the measuring device contains at least one of the sensors of the roller. In addition, she can
  • At least one multiplexer (in particular at least one multiplexer as described above) and / or at least one
  • Signal converter (in particular at least one as above
  • Measuring device is detachably inserted in the receiving opening, it can be easily replaced, for example, if they need to be cleaned or maintained or is defective.
  • the measuring device inextricably in the receiving opening
  • the measuring device is used. In this way, the measuring device
  • the measuring device can be connected securely to the roller body. In addition, a can Unauthorized removal of the measuring device can be prevented, which could affect the safety.
  • the measuring device can be cast in the receiving opening, for example
  • Substantially be formed by a cylindrical bore which may have a diameter in the range of 5 mm to 40 mm, preferably from 5 mm to 25 mm, particularly preferably from 10 mm to 14 mm.
  • This bore may extend substantially parallel to a rotational axis of the roller body.
  • Receiving opening preferably in an outdoor area of the
  • the receiving opening for example, in a cylindrical portion of the
  • Roller body are located.
  • the at least one receiving opening is arranged so that a
  • Balancing the roller can be dispensed with.
  • two or more receiving openings may be present, which are preferably arranged uniformly in the circumferential direction; this also eliminates the need for balancing.
  • the measuring device may be rod-shaped and have a longitudinal axis along which a plurality of sensors,
  • temperature sensors are arranged.
  • the receiving opening may be formed in a peripheral surface of the roller body.
  • it can extend essentially in the radial direction of the roller body, that is to say essentially perpendicular to one
  • Rotation axis of the roll body If a measuring device is inserted into such a receiving opening, a state of the peripheral surface of the roller can be measured particularly easily, for example a temperature prevailing on the circumferential surface.
  • the roller body can both contain at least one radial receiving opening, which in a circumferential surface of the roller body
  • Roll body is formed and in which at least one of the sensors is arranged, and at least one axial, ie parallel to the axis of rotation extending receiving opening in which the circuit board is arranged.
  • the sensors can either be connected to the printed circuit board or be designed in such a way and arranged relative to the printed circuit board that they can communicate with them without contact, for example by ultrasound,
  • Infrared radiation Infrared radiation, inductive coupling, radio frequency signals, or any combination thereof.
  • the measuring device can be used as a bolt with a thread
  • the measuring device can be designed as a bolt with a first bayonet closure element, and the receiving opening can have a second bayonet closure element into which the first bayonet closure element of the bolt can be inserted.
  • Bayonet closure element may have a fuse. Both variants allow a particularly easy insertion and, at Demand, a simple removal of the measuring device in the
  • This embodiment as a bolt is particularly suitable if the bolt contains a sensor designed as a wear sensor, as a pressure sensor or as a temperature sensor.
  • the measuring device in particular the bolt, at least one further data transmitter and at least one further data receiver.
  • the data transmitter of the measuring device and the data receiver are designed and arranged such that the measured data detected by the sensor can be transmitted contactlessly from the at least one further data transmitter to the at least one further data receiver.
  • the measuring device can only be used detachably in the receiving opening; that is, when inserting then no cable connections must be established, in particular no cable connections between the
  • Measuring device and the roller body are Measuring device and the roller body.
  • the non-contact transmission from the further data transmitter to another data receiver can in particular by an interior of the roller body, in particular by a cavity of the
  • Transmission from the further data transmitter to the further data receiver can be effected for example by infrared radiation, by light pulses, by radio frequency signals, by inductive coupling or by any combination thereof.
  • the measuring device in particular the bolt, can be supplied with energy inductively and / or via light.
  • the measuring device in particular the bolt, a power receiver as described above and / or a like include power generator described above, which is designed to generate energy from the movement of the roller, for example
  • thermoelectric effects e.g. the Seebeck effect, Peltier effect or Thomson effect, for example by means of a thermocouple, and / or
  • roller for example by means of at least one piezoelectric element and / or mechanically.
  • the measuring device in particular the bolt, at least one in particular
  • Mahlwalzencruung containing grinding plant also a
  • Such a data receiver which is arranged outside the roller.
  • Such a data receiver may be rod-shaped and extend in particular perpendicular to a rotation axis of the roller.
  • a plurality of receiving openings may be arranged at different positions along an axis of rotation of the roller body and / or at different angles around this axis of rotation. The more even the
  • Receiving openings are distributed, the more meaningful are those of those used in these receiving openings
  • Measuring devices recorded measured values.
  • Preferred are the Receiving openings arranged uniformly in the circumferential direction, whereby a rotational equilibrium arises, so that can be dispensed with an otherwise required balancing.
  • the at least one data transmitter (in particular the at least one data transmitter of one or both of the rollers or the above-mentioned further data transmitter) and / or the data receiver
  • Power generators are preferably at one end of this
  • a circuit board as already described above may be part of the measuring device in one embodiment.
  • At least one multiplexer in particular at least one multiplexer as described above
  • at least one signal generator in particular at least one signal generator as described above
  • the roller may contain at least one data memory,
  • an RFID chip in particular an RFID chip.
  • a particular individual identification of the roller can be stored or stored.
  • At least one property of the roller may be stored or storable in the data memory, such as at least one of its dimensions and / or its crowning.
  • Data stored data are preferably also transmitted without contact.
  • the roller a the roller a
  • Another aspect of the invention relates to a measuring device for the particular releasable insertion into a receiving opening of a roller body of a roller of a pair of rollers.
  • the receiving opening may be formed in a peripheral surface of the roller body.
  • the roll may be a grinding roll of a grinding roll pairing as described above
  • the roll body may be the
  • the measuring device has at least one sensor for detecting measured values which characterize a state of the roller, in particular a state of a roller
  • Measuring device at least one data transmitter for particular contactless transmission of the measured values to a
  • the data can be in a first
  • Variant are transmitted to a stationary data receiver as described above.
  • the data can also be sent to one as also described above
  • Data receiver to be transmitted, in particular to a further data receiver as described above or to a
  • the measuring device can also have a built-in
  • Data processor in particular a microprocessor, an FPGA, a PLC processor or a RISC processor.
  • This data processor can further process, for example, the measured values detected by the at least one sensor and then optionally transmit them to the data transmitter, in particular if it is contained in the roller.
  • the data processor may wholly or partially perform the function of the above-described multiplexer and / or the signal converter described above take.
  • the microprocessor may be part of the circuit board also described above.
  • the microprocessor may alternatively or additionally also take on at least one of the following functions: Communication with at least one
  • PCB storage management Control of energy management systems, in particular as described below; Management and / or storage of identification features of the roll (s), such as geometric data and roll history; Administration of interface protocols; wireless
  • the measuring device in particular the printed circuit board, may have an energy management system which can perform one, several or all of the following functions: - regular, in particular periodic, transmission of the
  • the product processing plant for the processing of a
  • Product in particular the grinding plant for the grinding of regrind contains at least one as described above
  • Roller pairing in particular a grinding roller pairing. Between the rollers of the roller pairing, a gap is formed. In particular, between the grinding rolls of a Mahlwalzencruung a
  • Mahlspalt formed In the context of the invention, only one of the two rolls of the pair of rolls must be designed according to the invention; However, the invention also covers embodiments in which both rolls of the roll pairing according to the invention are formed, so at least one sensor as described above and optionally contain at least one as above written data transmitter. In particular, when grinding regrind, this millbase is guided substantially vertically downwards through such a grinding gap. In addition, especially at
  • this millbase preferably fed to the grinding rollers by means of its gravity, which optionally can be supported pneumatically.
  • the product in particular the bulk material, in particular the material to be ground, may be granular and move as fluid flow through the grinding gap.
  • the measuring device can have one, several or all of the features already described above and have the resulting advantages, also described above.
  • the measuring device may include at least one signal converter and / or - be formed as a bolt with a thread which is screwed into a mating thread of the receiving opening of the roller body, and / or be formed as a bolt with a first bayonet closure element, which in a second
  • Roll body is used, and / or at least one circuit board containing, on which the at least one sensor and / or at least one multiplexer and / or at least one signal converter are arranged, and / or contain at least one sensor, which is designed as a temperature sensor, wherein preferably a plurality of temperature sensors are provided, which are arranged along an axis of rotation of the roller to determine a temperature profile along this direction, and / or at least one sensor, which is designed as a pressure sensor , and / or at least one sensor, which is designed as a force sensor (for determining the force component (s) in one or more directions), and / or at least one sensor, which is designed as a wear sensor, and / or at least one sensor , which is designed as a vibration sensor, in particular for determining a Wickeins, so an adhesion of the processed product on the peripheral surface of the roller, which processing, in particular
  • Deformation sensor is formed (for determining an extent and / or a Auslenkwegs) and / or at least one sensor included as
  • Deformation sensor is formed (for determining an extent and / or a Auslenkwegs), and / or at least one sensor included, as
  • Rotary speed sensor is formed, in particular for determining a standstill of the roller, and / or at least one sensor included as the
  • Spin sensor is formed, and / or contain at least one sensor which is designed to determine an ambient humidity and is preferably arranged on an end face of the roller, and / or
  • At least one sensor which is designed as a gyroscopic sensor for determining the position and / or orientation of the roller, in particular for determining the dependent on the position and / or orientation
  • Gap between the two rolls of the pair of rolls contain, in particular a Mahlspaltes between the two grinding rolls of Mahlwalzencruung, for example, arranged in a front side of the roll sensor,
  • the measuring device can contain at least one data transmitter for at least one end opening of the receiving opening, in particular for non-contact transmission of the measured values to a data receiver, on or outside.
  • Yet another aspect of the invention relates to a
  • Product processing plant contains at least one roller pairing as described above.
  • the roller pairing as described above.
  • Product processing system at least one particular
  • the grinding plant can be, for example, a
  • the product processing plant can also be:
  • cereals in particular cereals, grain-milling products and end-of-grain products of milling or special milling as stated above;
  • a roll mill or a rolling mill for the production of chocolate in particular a roughing mill with, for example, two or five rolls, in particular two or five
  • Fine rolling, or an end finishing mill Fine rolling, or an end finishing mill
  • Fine chemicals in particular a three-roll mill.
  • Another aspect of the invention is directed to a
  • the method comprises a
  • Product processing system of a data transmitter at least one of the rollers, in particular of both rollers, the pair of rollers transmitted measured values are received. The data thus received can subsequently
  • control unit of the product processing plant may communicate to a control unit of the product processing plant
  • control system can handle the entire
  • the warning criterion can be, for example, that the measured value of at least one of the sensors exceeds a limit value predetermined for this sensor. In another variant, the warning criterion may be that the
  • Measured value measured by a given set of sensors exceeds a predetermined limit.
  • a warning signal may be issued
  • the product processing system can be brought to a standstill (for example by the control unit).
  • control unit can receive the measured values acquired by the at least one sensor or data obtained therefrom
  • the product processing installation may, downstream of the roll pairing according to the invention, contain at least one device for measuring particle sizes and their distributions. This allows the measurement of the particle sizes and their
  • Wear state and / or the roll contact pressure are combined. This is particularly advantageous when the roller, in particular the grinding roller, a corrugating roller. Alternatively or additionally, downstream of the product
  • Roller according to the invention in particular the grinding roller according to the invention, also a device for NIR measurement of the
  • Yet another aspect of the invention relates to a method for
  • Receiving opening for a measuring device in particular a roller body as described above.
  • the roller body as described above.
  • Roll body of the roll body of a grinding roller The
  • Method includes a step in which a measuring device, in particular a measuring device as described above, is inserted into the receiving opening, so that one as above
  • Figure 1 a schematic representation of a first
  • FIG. 2 another schematic representation of the grinding plant according to FIG. 1:
  • FIG. 3a-d four photos with detailed views of one in the
  • Embodiment of a grinding plant with a grinding roller with a plurality of pressure sensors Embodiment of a grinding plant with a grinding roller with a plurality of pressure sensors.
  • FIG. 1 shows a first inventive device
  • Product processing plant which is designed as a grinding plant 18 for the grinding of ground material, in particular for the grinding of grain.
  • the grinding plant 18 contains a
  • the first grinding roller 1 includes a roller body 10 having a receiving opening 11 in the form of a cylindrical bore, which is parallel to a
  • a rod-shaped measuring device 12 is used, which are the seven
  • Temperature sensors 2 contains.
  • the measuring device 12 is potted in the receiving opening 11 and thereby insoluble in the
  • the non-contact transmission of the measured values can be effected by infrared radiation, by light pulses, by radio frequency signals, by inductive coupling or by any combination thereof.
  • Grinding roller 1 has at its end face 20 also an inductive Energy receiver 9, via the energy of a magnet 21 can be inductively coupled.
  • the data received from the data receiver 5 data is supplied to a control unit 23, by means of which the entire grinding plant 18 or a part thereof can be controlled and / or regulated.
  • the control unit 23 contains display means 24, for example a screen, by means of which the measured values recorded by the temperature sensors 2 or data obtained therefrom can be visualized.
  • the control unit 23 issue a warning message, if a predetermined
  • Warning criterion is met - for example, when the temperature measured by one of the temperature sensors 2 exceeds a predetermined limit. Via a further line 25, the data can be forwarded to an optional higher-level control system 26.
  • Position 27 can be pinpointed, and it can
  • FIG. 2 once more schematically shows how the
  • the measuring device 12 includes a printed circuit board 8, on which the seven
  • Temperature sensors 2 and a multiplexer 6 are arranged.
  • Each of the temperature sensors 2 is about two in each case
  • Multiplexer 6 transmits alternately that of the Temperature sensors 2 detected measured values via a cable 29 to the data transmitter 4, which then sends the measured values to the
  • Data receiver 5 transfers without contact.
  • FIG. 3a to 3d show several photographic elements
  • FIG. 3 c contains a further detail view of the already in
  • Figure 3b shown end of the measuring device 12 recognizable.
  • FIG. 3d shows a rear view of that in FIG. 3c
  • the temperature sensors 2 may be, for example, of the type PT 1000 known per se.
  • FIG. 4 schematically shows a second embodiment of a product processing plant according to the invention, which is also used as a grinding plant 18 'for grinding regrind,
  • FIG. 1 A plurality of receiving openings 11' are present in a peripheral surface 3 'of a roller body 10' of the grinding roller 1 ', of which only one 3 are shown. These receiving openings 11 'extend in the radial direction of the roller body 10', that is perpendicular to a rotation axis A 'of the roller body 10'.
  • FIG. 4 is further (not to scale), a bolt 12 'is shown, which is a measuring device.
  • This bolt 12 ' contains a thread not shown in the figure.
  • Receiving openings 11 ' has a likewise not shown mating thread into which the bolt 12' is screwed.
  • the bolt 12 ' also has a sensor and a data transmitter, both of which are not shown in FIG.
  • the sensor may be, for example, a wear sensor, a pressure sensor or a temperature sensor.
  • the measured data recorded by the sensor 2 ' can be transmitted in this way by the data transmitter of the bolt 12' to the data receiver 16 'of the roller body 1' contactless, for example by infrared radiation, by light pulses, by radio frequency signals, by inductive coupling or by any combination thereof. This is preferably done by an interior, in particular a cavity of the roller body 10 '.
  • the bolt 12 ' can be powered by light inductively and / or by light. Alternatively or additionally, it may contain at least one piezoelectric element, by means of which electrical energy can be generated from the forces generated during rotation of the grinding roller 1 '. Also alternatively or additionally, the bolt 12 'at least one rechargeable battery in particular. Furthermore, the following aspects are revealed:
  • Grinding roller (1, 1 ') according to feature combination A, wherein it contains at least one multiplexer (6, 6') arranged to alternately transmit the measured values detected by the sensors (2, 2 ') to the data transmitter (4, 4') and trained.
  • Signal converter (7; 1 ') in particular at least one A / D converter (7; 1'), for converting the measured values detected by the sensor (2; 2 ').
  • Energy receiver (9; 9 ') for an energy supply of the sensor (2; 2') and / or at least one multiplexer (6; 6 ') and / or at least one signal converter (7; 1') and / or the data transmitter (4; 4 ') of the grinding roller (1, 1') and / or the data transmitter of a measuring device (12, 12 ') contains, in particular at least one inductive
  • Circuit board (8, 8 ') contains, on which the sensor (2, 2') and / or at least one multiplexer (6, 6 ') and / or at least one signal converter (7, 1') and / or
  • At least one data transmitter (4; 4 ') of the grinding roller (1; 1') and / or at least one energy receiver (9; 9 ') are arranged.
  • It comprises a roller body (10, 10 ') with at least one receiving opening (11, 11') and at least one measuring device (12, 12 '), which is in particular releasably insertable or inserted into the receiving opening (11, 11') wherein the measuring device (12; 12 ') contains at least one of the sensors (2; 2').
  • Roll body (10 ') is formed.
  • Thread (13 ') of the bolt (12') can be screwed.
  • Data transmitter has and the roller body (10 ') at least one data receiver (16') which, in such a way
  • the measurement data acquired by the sensor (2 ') can be transmitted contactlessly by the data transmitter of the measuring device (12') to the data receiver (16 ') of the roller body (10'), in particular by an interior (17 ') of the roller body (17'). 10 '), in particular by a cavity (17') of the roller body (10 ').
  • the measuring device (12, 12 ') at least one printed circuit board (8, 8'), on which the at least one sensor (2, 2 ') and / or at least one Multiplexer (6; 6 ') and / or at least one signal converter (7; 7') are arranged.
  • Vibration sensor and / or at least one sensor as
  • Deformation sensor is formed.
  • Measuring device (12 ') for the particular releasable insertion into a receiving opening (11') of a roller body (10 ') of a grinding roller (1'), in particular a grinding roller (1 ') according to one of the feature combinations F to K, wherein the measuring device (12' ) has at least one sensor (2 ') for detecting measured values which characterize a state of the grinding roller (1'), in particular a state of a circumferential surface (3 ') of the grinding roller (1'), and
  • At least one data transmitter for the contactless transmission of the measured values to a particular
  • Grinding plant (18, 18 ') comprising at least one grinding roller (1, 1') according to one of the feature combinations A to K and at least one data receiver (5, 5 ') for receiving the data from the transmitter (4, 4') of the grinding roller (1 ; 1')
  • Method for operating a grinding installation (18, 18 ') according to the feature combination M comprising a step in which the data receiver (5, 5') of the grinding installation (18, 18 ') is moved by a data transmitter (4, 4') of the grinding roller (10; 1, 1 ') transmitted measured values are received.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Crushing And Grinding (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

L'invention concerne des paires de rouleaux (1, 1') servant au traitement d'un produit, lesquelles comprennent deux rouleaux, en particulier deux rouleaux broyeurs (1, 1'), au moins un des rouleaux (1, 1') comprenant au moins un capteur (2, 2'), de préférence plusieurs capteurs (2, 2'), qui servent à détecter des valeurs de mesure qui caractérisent un état d'au moins un des rouleaux (1, 1'), en particulier des deux rouleaux (1, 1'), en particulier un état de la surface circonférentielle (3, 3') d'au moins un des rouleaux (1, 1'), en particulier des deux rouleaux (1, 1'). Le capteur (2, 2') peut être en communication de données avec un émetteur de données (4, 4') qui est réalisé pour transmettre sans contact à un récepteur de données (5, 5') les valeurs de mesure du ou des capteurs (2, 2'), de préférence de plusieurs des capteurs (2, 2'), de préférence encore de tous les capteurs (2, 2'). L'invention concerne par ailleurs un dispositif de mesure (12') destiné à être installé dans une ouverture de réception (11') d'un corps de rouleau (10') d'un rouleau d'une paire de rouleaux, une installation de traitement de produits, en particulier une installation de broyage (18, 18') contenant au moins une paire de rouleaux (1, 1'), un procédé permettant de faire fonctionner une installation de traitement de produits, ainsi qu'un procédé permettant d'adapter ou d'équiper un corps de rouleau.
EP14728174.5A 2013-06-03 2014-06-03 Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé Pending EP3003563A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14728174.5A EP3003563A1 (fr) 2013-06-03 2014-06-03 Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13170302 2013-06-03
PCT/EP2014/061475 WO2014195309A1 (fr) 2013-06-03 2014-06-03 Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé
EP14728174.5A EP3003563A1 (fr) 2013-06-03 2014-06-03 Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé

Publications (1)

Publication Number Publication Date
EP3003563A1 true EP3003563A1 (fr) 2016-04-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14728174.5A Pending EP3003563A1 (fr) 2013-06-03 2014-06-03 Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé

Country Status (8)

Country Link
US (1) US10569280B2 (fr)
EP (1) EP3003563A1 (fr)
JP (1) JP6391678B2 (fr)
KR (1) KR101946685B1 (fr)
CN (2) CN105473232A (fr)
BR (1) BR112015030242B1 (fr)
RU (1) RU2635371C2 (fr)
WO (1) WO2014195309A1 (fr)

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Also Published As

Publication number Publication date
JP2016525937A (ja) 2016-09-01
KR101946685B1 (ko) 2019-02-11
RU2015155904A (ru) 2017-07-13
WO2014195309A1 (fr) 2014-12-11
CN109317246B (zh) 2020-09-22
CN109317246A (zh) 2019-02-12
US20160107162A1 (en) 2016-04-21
US10569280B2 (en) 2020-02-25
RU2635371C2 (ru) 2017-11-13
BR112015030242B1 (pt) 2021-08-03
JP6391678B2 (ja) 2018-09-19
KR20160016930A (ko) 2016-02-15
CN105473232A (zh) 2016-04-06
BR112015030242A2 (pt) 2017-07-25

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