EP1435290A1 - Verwirbelungsstrecke und Vorrichtung zur Temperierung eines Bauteiles - Google Patents
Verwirbelungsstrecke und Vorrichtung zur Temperierung eines Bauteiles Download PDFInfo
- Publication number
- EP1435290A1 EP1435290A1 EP03104618A EP03104618A EP1435290A1 EP 1435290 A1 EP1435290 A1 EP 1435290A1 EP 03104618 A EP03104618 A EP 03104618A EP 03104618 A EP03104618 A EP 03104618A EP 1435290 A1 EP1435290 A1 EP 1435290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- swirling
- component
- temperature
- cross
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/22—Means for cooling or heating forme or impression cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
- B01F25/4331—Mixers with bended, curved, coiled, wounded mixing tubes or comprising elements for bending the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
- B01F25/4337—Mixers with a diverging-converging cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0422—Numerical values of angles
Definitions
- the invention relates to a swirling section and a device for temperature control 4.
- DE 44 29 520 A1 describes a device and a method for temperature control of a component in a printing press is known, the component having at least one partially circulating fluid is tempered.
- An actuator by means of which a Mixing ratio at a feed point of two different fluid flows Temperature is adjustable, is via a between the feed point and the component arranged temperature control point controlled.
- EP 0 886 577 B1 discloses an apparatus and a method for temperature control of a component, a component temperature being monitored by means of sensors and the Measured value is given to a control unit. Deviates the measured on the component If the temperature drops from a setpoint, the control unit lowers or increases the temperature of a coolant in a cooling unit by a certain amount waits for a period of time from and repeats the measurement and the steps mentioned until the setpoint again is reached.
- the invention has for its object a swirl path and To create a device for tempering a component.
- the temperature control works due to the swirling section, which is the early one Obtaining a safe mixed temperature signal enables, even if there is larger subsequent transport routes for the temperature control medium, very quickly and stable.
- the short response time enables use in applications and processes with high dynamic proportions. So the present temperature control is also there great advantage where rapid changes in a temperature setpoint can be traced must be and / or where there are external conditions such.
- a component 01 of a machine should be tempered.
- the Part 01 of the printing press is e.g. B. part of a printing unit, not shown, in particular an ink-guiding roller 01 of a printing unit.
- This roller 01 can be used as Roller 01 of an inking unit, e.g. B. as anilox roller 01, or as cylinder 01 of Printing unit, e.g. B. as a forme cylinder 01. This is particularly advantageous
- the quality of the ink transfer is extremely strong depending on the temperature of the paint and / or the paint-guiding surfaces (e.g. Lateral surface of rollers 01 or cylinders 01).
- the quality in the Color transfer also sensitive to the speed of splitting, i.e. the Engine speed.
- the temperature control takes place via a temperature control medium, in particular a fluid such as e.g. B. Water, which is connected to the component 01 in thermal Interaction.
- a fluid such as e.g. B. Water
- the fluid can also be a gas or gas mixture, such as e.g. B. be air.
- the fluid is supplied to the component 01 in a first circuit 03, flows through or flows around component 01, absorbs heat (cooling) or emits heat (heat) and flows back warmed or cooled accordingly.
- this first cycle 03 can be arranged a heating or cooling unit, which is used to manufacture the desired fluid temperature can serve.
- the first circuit 03 is as Secondary circuit 03 in connection with a second circuit 04, a primary circuit 04, in which the fluid with a defined and largely constant temperature Tv, z. B. flow temperature Tv.
- a temperature control device e.g. B. a thermostat Heating and / or cooling unit etc., which ensures the flow temperature Tv, is here not shown.
- Via a connection 05 between primary and secondary circuit 03; 04 can at a first connection point 06 of the primary circuit 04 via an actuator 07, z. B. a controllable valve 07, fluid removed from the primary circuit 04 and the Secondary circuit 03 are metered.
- connection point 08 each after supplying new fluids at the connection point 06, fluid from the secondary circuit 03 at a connection point 10 via a connection 15 into the primary circuit 04 returned.
- the fluid is in the area of the first, for example Junction 06 at a higher pressure level than in the area of the second Junction 08.
- a difference ⁇ p in the pressure level is z. B. by a corresponding differential pressure valve 09 between the connection points 06; 08 generated.
- the fluid, or a large part of the fluid is driven by a drive 11, for example by a pump 11, a turbine 11 or in some other way, on an inflow section 12, through component 01, a return flow path 13 and a partial path 14 between Inflow and return flow path 12; 13 circulates in the secondary circuit 03.
- a drive 11 for example by a pump 11, a turbine 11 or in some other way, on an inflow section 12, through component 01, a return flow path 13 and a partial path 14 between Inflow and return flow path 12; 13 circulates in the secondary circuit 03.
- a drive 11 for example by a pump 11, a turbine 11 or in some other way, on an inflow section 12, through component 01, a return flow path 13 and a partial path 14 between Inflow and return flow path 12; 13 circulates in the secondary circuit 03.
- a drive 11 for example by a pump 11, a turbine 11 or in some other way, on an inflow section 12, through component 01, a return flow path 13 and a partial path 14 between Inflow and return flow path 12
- the feed or injection point 16 corresponds to the location the energy exchange with the relevant heating or cooling unit and that Actuator 07, for example, one assigned to the heating or cooling unit Power control or the like.
- the connection point 10 in the circuit 03 is omitted because the fluid total circulated in the circuit 03 and 16 energy at the feed point is dissipated or heat or cold is "fed".
- the heating or cooling unit corresponds to e.g. the actuator 07.
- the temperature control is intended to set or maintain a specific temperature ⁇ 3 of the component 01, in particular in the case of a roller 01 the surface temperature ⁇ 3 on the roller 01 to a specific target value ⁇ 3 . This is done by measuring a meaningful temperature on the one hand and regulating the supply of fluid from the primary 04 into the secondary circuit 03 to generate a corresponding mixing temperature on the other hand.
- the injection point 16 and an outlet of the component 01 there are between the injection point 16 and an outlet of the component 01 to be temperature-controlled at least two measuring points M1; M2; M3 with Sensors S1; S2; S3 is provided, with one of the measuring points M1 near the injection point 16 and at least one of the measuring points M2; M3 in the area of the component-near end of the Inflow section 12 and / or is arranged in the area of the component 01 itself.
- the valve 07, the pump 11, the injection point 16 and the connection points 06; 08 are i. d. R. spatially close to each other, and z. B. in a dashboard indicated tempering cabinet 18th arranged. Inflow and return flow path 12; 13 between component 01 and not explicitly shown exit or entry into the temperature control cabinet 18 i. d.
- the length is comparatively long, which is shown in FIG. 1 is indicated by respective interruptions.
- the locations for the measurement are now like this selected that at least one measuring point M1 each in the area of the temperature control cabinet 18 and a measuring point M2; M3 close to the component, i.e. at the end of the long inflow section 12 is arranged.
- a first temperature ⁇ 1 is measured between the injection point 16 and the pump 11, in particular between a swirl path 17 and the pump 11, by means of a first sensor S1.
- a second temperature ⁇ 2 is determined by means of a second sensor S2 in the area of entry into component 01.
- the temperature ⁇ 3 is also determined in FIG. 1 by measurement, specifically by an infrared sensor (IR sensor) S3 directed at the surface of the roller 01.
- the sensor S3 can also be arranged in the area of the lateral surface or as explained below u. U. also omitted.
- the temperature control takes place with the aid of a control device 21 or a control process 21, which is described in more detail below.
- the control device 21 (FIG. 1) is based on a multi-loop, here three-loop cascade control.
- An innermost control circuit has the sensor S1 just behind the injection point 16, a first controller R1 and the actuator 07, ie the valve 07.
- the controller R1 receives a deviation ⁇ 1 of the measured value ⁇ 1 from a (corrected) setpoint ⁇ 1, soll, k (node K1) as input variable and acts on the actuator 07 according to its implemented control behavior and / or control algorithm with a control command ⁇ . I.e.
- the (corrected) setpoint ⁇ 1, should, k is not, as is otherwise customary, directly specified by a controller or manually, but is instead formed using an output variable from at least one second control circuit located further "outside".
- the second control loop has sensor S2 shortly before entering component 01 and a second controller R2.
- the controller R2 receives as an input variable a deviation ⁇ 2 of the measured value ⁇ 2 at the sensor S2 from a (corrected) setpoint ⁇ 2, soll, k (node K2) and generates one at its output in accordance with its implemented control behavior and / or control algorithm Deviation ⁇ 2 correlated variable d ⁇ 1 (output variable d ⁇ 1 ), which should be used for the first controller R1 to form the corrected setpoint ⁇ 1, above. I.e. Depending on the deviation of the measured value ⁇ 2 from the (corrected) setpoint ⁇ 2, Soll , k , the quantity d ⁇ 1 influences the corrected setpoint ⁇ 1, Soll , k of the first controller R1.
- the corrected target value ⁇ 1, target , k for the first controller R1 is formed from the quantity d ⁇ 1 and a theoretical target value ⁇ ' 1, target.
- the theoretical setpoint ⁇ ' 1, should in turn is formed in a pilot control with regard to the heat flow V WF .
- the pilot control element V WF here V 1, WF (index 1 for the first control circuit) takes into account the heat exchange (losses, etc.) of the fluid on a section and is based on empirical values (expert knowledge, calibration measurements, etc.).
- the pilot control element V 1, WF takes into account , for example, the heat or cold losses on the section between the measuring points M1 and M2 by forming a correspondingly increased or decreased theoretical target value ⁇ ' 1 , which is then together with the quantity d ⁇ 1 to the corrected setpoint ⁇ 1, Soll , k is processed for the first controller R1.
- the pre-control element V WF there is a relationship between the input variable (setpoint ⁇ 3, set or ⁇ ' 2, set or su ⁇ ' 2, set, n ) and a corrected output variable (modified setpoint ⁇ ' 2, set or su ⁇ ) ' 2, Soll , n or ⁇ ' 1, Soll , n ), which can preferably be changed via parameters or in any other way as required.
- the pilot control element V 1, WF would be given a defined setpoint value ⁇ 2, setpoint as an input variable from a machine control or manually. This would also be used to form the above-mentioned deviation ⁇ 2 upstream of the second controller R2.
- control device 21 has three cascaded control loops.
- the corrected setpoint ⁇ 2, soll, k in front of the second controller R2 is now also not, as is customary, predefined directly by a controller or manually, but is instead formed using an output variable from a third, external control loop.
- the third control circuit has the sensor S3, which detects the temperature on or in the area of the lateral surface, and a third controller R3.
- the controller R3 receives a deviation ⁇ ist 3 of the measured value ⁇ 3 (with a running time T ' L3 ) at the sensor S3 from a target value ⁇ 3, target (node K3) and generates at its output according to its implemented control behavior and / or control algorithm a variable d ⁇ 2 correlated with the deviation ⁇ 3 , which is to be used for the second controller R2 to form the corrected desired value ⁇ 2, mentioned above.
- the value d ⁇ 2 influences the corrected setpoint ⁇ 2, setpoint , k of the second controller R2.
- the corrected target value ⁇ 2, target , k for the second controller R2 is formed from the quantity d ⁇ 2 and a theoretical target value ⁇ ' 2, target (or ⁇ " 2, target see below).
- the theoretical target value ⁇ ' 2, target is again in a pilot control element with regard to the heat flow V 2, WF
- the pilot control element V 2, WF takes into account, for example, the heat and cold losses on the section between the measuring points M2 and M3 by setting a correspondingly increased or decreased theoretical setpoint ⁇ ' 2, soll , which is then processed together with the quantity d ⁇ 2 to the corrected setpoint ⁇ 2, soll, k for the second controller R2.
- the method described is thus based on the one hand on measuring the temperature directly behind the injection point 16, in particular with the interposition of a swirl chamber 17, and on at least one measurement near the component 01 to be temperature-controlled Control loops intermesh like a cascade and a measured value ⁇ 2 ; closer to component 01, already during the setpoint creation for the inner control loop; ⁇ 3 is taken into account.
- a particularly short response time is achieved by a pilot control, which brings in empirical values for losses to be expected on the temperature control section 02.
- a control loop located closer to the actuator 07 is therefore already given a setpoint which is increased or decreased by an empirical value in anticipation of losses.
- FIG. 2 A section of the temperature control section shown schematically in Fig. 1 in a FIG. 2 shows an advantageous concrete embodiment.
- the inflow section 12 from the Injection point 16 to a destination 22, i. H. the place, its surroundings or Surface to be cooled is in Fig. 2 in three sections 12.1; 12.2; 12.3 shown.
- the first section 12.1 extends from the injection point 16 to the first measuring point M1 with the first sensor S1 and has a first path X1 and a first mean transit time T L1 .
- the second section 12.2 extends from the first measuring point M1 to a "near-component" measuring point M2 with the sensor S2. It has a second path X2 and a second mean transit time T L2 .
- the third section 12.3 with a third distance X3 and a third mean transit time T L3 for the fluid connects to the second measuring point M2 and extends to the destination 22 (here the first contact of the fluid in the area of the extended lateral surface).
- a total running time T of the fluid from the injection point 16 to the destination thus results in T L1 + T L2 + T L3 .
- the first measuring point M1 is selected "close to the feed point", ie at a short distance from the feed point, here the injection point 16.
- a measuring point M1 close to the feed point or sensor S1 close to the actuating means is therefore understood here to mean a location in the area of the inflow path 12 which is less than a tenth, in particular a twentieth, of the distance from the feed point 16 to the first contact of the destination with regard to the running time of the fluid 22 (here the first contact of the fluid is in the area of the extended outer surface), ie T L1 ⁇ 0.1 T, in particular T L1 ⁇ 0.05 T.
- the measuring point M1 is in relation to the running time of the fluid T L1 a maximum of 2 seconds, in particular a maximum of 1 second, from the injection point 16.
- injection point 16, sensor S1 and the subsequent pump 11 are located in a temperature control cabinet 18, which forms a structural unit of the units included.
- the measuring point M1 is preferably in front of the pump 11.
- the temperature control cabinet 18 can be connected to the component 01.
- component 01 and temperature control cabinet 18 are not arranged directly adjacent to one another in the machine, so that a line 26, for. B. a piping 26 or a hose 26, from the temperature control cabinet 18 to an inlet 27 into the component 01, for example to a bushing 27, in particular rotary joint 27, has a correspondingly large length.
- the implementation in the roller 01 or the cylinder 01 is only shown schematically in FIG. 2. If the roller 01 or the cylinder 01 has a pin on the end face, as usual, it is carried out by the pin.
- the path of the fluid to the outer surface and in component 01 along the outer surface is only shown symbolically and can be done in a known manner, for. B.
- the second measuring point M2 is selected "close to the component", ie at a short distance from component 01 or target location 22, here the lateral surface.
- the second measuring point M2 close to the component or the second sensor S2 close to the component is therefore to be understood here as a location in the region of the inflow path 12 which is farther away in terms of the running time of the fluid than halfway from the injection point 16 to the first contact with the destination 22 (here the first contact) of the fluid is in the area of the extended lateral surface).
- the second measuring point M2 is arranged in the area of the line 26 in a stationary manner outside of the rotating component 01, and is however located Immediately, ie a maximum of 3 seconds away from entry 27 into component 01 with respect to the running time of the fluid.
- the third measuring point M3, if present, is likewise arranged at least “close to the component”, but in particular “close to the destination”. I.e. it is located in the immediate vicinity of the target location 22 of the fluid or directly detects the surface to be tempered (here the outer surface of the roller 01). In an advantageous embodiment, the measuring point M3 does not detect the fluid temperature, such as e.g. B. in the case of the measuring points M2 and M3, but the area to be tempered of the component 01 itself.
- the immediate vicinity of the target location 22 is understood here to mean that the sensor S3 is located between the fluid circulating in the component 01 and the outer surface or the temperature without contact ⁇ 3 detected on the lateral surface.
- the measuring point S3 can be dispensed with.
- Conclusions about the temperature ⁇ 3 can be obtained from empirical values through the measured values of the measuring point M2, for example on the basis of a stored relationship, an offset, a functional relationship.
- a desired temperature ⁇ 3 , z. B. taking into account the machine or production parameters (including machine speed, ambient temperature and / or fluid throughput, (doctor blade) friction coefficient, thermal resistance) regulated to a desired temperature ⁇ 2 as a setpoint.
- the measuring point M3 is again dispensed with, conclusions about the temperature ⁇ 3 , however, are derived from empirical values about the measured values of the measuring point M2 and a measuring point M4 arranged in the reflux after the component 01, for example again using a stored relationship, an offset, a functional relationship and / or by averaging the two measured values.
- z. B either taking the machine or production parameters (including machine speed, ambient temperature and / or fluid throughput) back into account to a desired temperature ⁇ 2 as the setpoint, or else to the temperature ⁇ 3 indirectly determined by the two measured values.
- the inflow and outflow of the fluid are in or out of the component 01 designed as a roller 01 or cylinder 01 on the same end face.
- the rotary feedthrough is designed with two connections, or as shown with two feedthroughs arranged coaxially one inside the other and coaxial to the roller 01.
- the measuring point M4 is also located as close as possible to the bushing.
- a measured value ⁇ 5 of a sensor S5 at a measuring point M5 near or in the region of the section 14, that is to say at a short distance from the injection point 16, can be detected and additionally used for control in the innermost control loop.
- the temperature control device has a swirl section 17, in particular a specially designed swirl chamber 17, on section 12.1 between the feed point 16 and the first measuring point M1.
- the measuring point M1 should be arranged close to the feed point, so that the fastest possible response times in the control loop concerned can be achieved with the measuring point M1 and the actuator 07.
- a homogeneous mixture between the fed-in and returned fluid (or in the heated / cooled fluid) has generally not yet been achieved directly behind the feed point, so that measurement errors make it difficult to regulate and u. U. delay the reaching of the ultimately desired temperature ⁇ 3 on component 01 considerably.
- a change of direction follows immediately from 70 ° to 110 °, especially abruptly around 90 °, followed by a second Change in cross-section, namely reduction from cross-sectional area A2 to Cross-sectional area A3 connects with the factor f2 (f2 ⁇ 1).
- the factor f2 is advantageously f2 ⁇ 0.5 is selected and is complementary to the factor f1 such that the two Cross-sectional areas A1; A3 essentially before and after the swirl chamber 17 are the same size.
- Fig. 3 shows an embodiment of the swirl chamber 17 with (round) tubular Einund Outlet area 29; 31, with not shown tubular lines Cross-sectional area A1 here in centrally arranged openings 32; 33 as inlet 32 and Outlet 33 open.
- the abutting line 34 of the tubular inlet and outlet regions 29; 31 does not form a pipe bend with a continuous curvature, but is at least in an angular plane formed by the flow directions in the inlet and outlet area executed kinked (see kink 36; 37).
- the openings 32; 33 can be in one Training also non-centered in areas A2; A3 lie.
- FIG. 4 shows an embodiment, wherein the swirl chamber 17 in geometry a joint of two box-shaped tubes is executed.
- two Areas A2 each have the openings 32; 33 on.
- the openings 32; 33 can again be arranged asymmetrically in the areas A2.
- Fig. 5 shows an embodiment, wherein the swirl chamber 17 in geometry a cuboid, in a special design as in Fig. 4 as a cuboid the same Side edge lengths, is executed.
- two adjacent surfaces A2 each have the openings 32; 33 on.
- the change of direction in the area of the "imagined Sharp "(34) of inlet and outlet area (sharp) edged see kink 36; 37).
- the openings 32; 33 again asymmetrical in areas A2 be arranged.
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Control Of Temperature (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Valve Device For Special Equipments (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung der Temperierstrecke;
- Fig. 2
- einen detaillierteren Ausschnitt der in Fig. 1 dargestellten Temperierstrecke;
- Fig. 3
- ein erstes Ausführungsbeispiel für eine Verwirbelungskammer;
- Fig. 4
- ein zweites Ausführungsbeispiel für eine Verwirbelungskammer;
- Fig. 5
- ein drittes Ausführungsbeispiel für eine Verwirbelungskammer.
- 01
- Bauteil, Walze, Rasterwalze, Zylinder, Formzylinder
- 02
- Regelstrecke, Temperierstrecke
- 03
- Kreislauf, erster; Sekundärkreislauf
- 04
- Kreislauf, zweiter; Primärkreislauf
- 05
- Verbindung
- 06
- Verbindungsstelle, erste
- 07
- Stellglied, Ventil
- 08
- Verbindungsstelle, zweite
- 09
- Ventil, Differenzdruckventil
- 10
- Verbindungsstelle
- 11
- Antrieb, Pumpe, Turbine
- 12
- Zuflussstrecke
- 12.1
- Abschnitt, erster
- 12.2
- Abschnitt, zweiter
- 12.3
- Abschnitt, dritter
- 13
- Rückflussstrecke
- 14
- Teilstrecke
- 15
- Verbindung
- 16
- Einspeisestelle, Einspritzstelle
- 17
- Verwirbelungsstrecke, Verwirbelungskammer
- 18
- Temperierschrank
- 19
- -
- 20
- -
- 21
- Regeleinrichtung, Regelungsprozess
- 22
- Zielort
- 23
- Verbindung, lösbar
- 24
- Verbindung, lösbar
- 25
- -
- 26
- Leitung, Verrohrung, Schlauch
- 27
- Eintritt, Durchführung, Drehdurchführung
- 28
- -
- 29
- Einlassbereich
- 30
- -
- 31
- Auslassbereich
- 32
- Öffnung, Einlass
- 33
- Öffnung, Auslass
- 34
- Stoßlinie
- 35
- -
- 36
- Knick
- 37
- Knick
- A1 bis A3
- Flächen, Querschnittsfläche
- K1 bis K3
- Knoten
- M1 bis M5
- Messstellen
- R1 bis R3
- Regler
- S1 bis S5
- Sensoren
- Tei
- Zeitkonstante (Index i bezeichnet den Regelkreis)
- TLi
- Laufzeit, Fluid (Index i bezeichnet den Regelkreis)
- T'L3
- Laufzeit, Temperaturantwort am Sensor S3
- TV
- Temperatur, Vorlauftemperatur
- V(i)WF
- Vorsteuerglied bzgl. Wärmefluß (Index i bezeichnet ggf. den Regelkreis)
- di
- Größe, Ausgangsgröße
- Δi
- Abweichung
- i
- Temperatur, Messwert (Index i bezeichnet den Regelkreis)
- 'i,soll
- Sollwert, theoretisch (Index i bezeichnet den Regelkreis)
- i,soll, k
- korrigierter Sollwert (Index i bezeichnet den Regelkreis)
- Δ
- Stellbefehl
- Δp
- Differenz im Druckniveau
Claims (18)
- Verwirbelungsstrecke (17) in einer Regelstrecke (02) zur Temperierung eines Bauteiles (01) einer Maschine, dadurch gekennzeichnet, dass die Verwirbelungsstrecke (17) in direkter Abfolge eine Querschnittsvergrößerung, eine Richtungsänderung sowie eine Querschnittsverkleinerung aufweist.
- Verwirbelungsstrecke (17) nach Anspruch 1, dadurch gekennzeichnet, dass die Verwirbelungsstrecke (17) in einer Regelstrecke (02) zur Temperierung eines Bauteils (01) einer Druckmaschine angeordnet ist.
- Verwirbelungsstrecke (17) nach Anspruch 1, dadurch gekennzeichnet, dass die Verwirbelungsstrecke (17) zwischen einer Einspeisestelle (16) und dem Bauteil (01) angeordnet ist.
- Vorrichtung zur Temperierung eines Bauteiles (01) einer Druckmaschine mittels eines Fluids, dessen Temperatur an einer Einspeisestelle (16) veränderbar ist, dadurch gekennzeichnet, dass in einer Regelstrecke (02) zwischen einer Einspeisestelle (16) und dem Bauteil (01) eine Verwirbelungsstrecke (17) angeordnet ist.
- Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Verwirbelungsstrecke (17) in direkter Abfolge eine Querschnittsvergrößerung, eine Richtungsänderung sowie eine Querschnittsverkleinerung aufweist.
- Verwirbelungsstrecke (17) nach Anspruch 1 oder Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Verwirbelungsstrecke (17) als Verwirbelungskammer (17) ausgeführt ist.
- Verwirbelungsstrecke (17) nach Anspruch 1 oder Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass sich bei der Querschnittsvergrößerung eine Querschnittsfläche (A1) sprunghaft um mindestens einen Faktor 2 auf eine neue Querschnittsfläche (A2) vergrößert.
- Verwirbelungsstrecke (17) nach Anspruch 1 oder Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Richtungsänderung 70° bis 110° beträgt.
- Verwirbelungsstrecke (17) nach Anspruch 1 oder Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass sich bei der Querschnittsverkleinerung eine Querschnittsfläche (A2) sprunghaft um höchstens einen Faktor 0,5 auf eine neue Querschnittsfläche (A3) verkleinert.
- Verwirbelungsstrecke (17) nach Anspruch 1 oder Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Verwirbelungsstrecke (17) zwischen einer Einspeisestelle (16) und einer ersten Messstelle (M1) für die Temperatur im Bereich einer Zuflussstrecke (12) angeordnet ist.
- Verwirbelungsstrecke (17) oder Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die erste Messstelle (M1) bezüglich einer Laufzeit des Fluids TL1 maximal 2 Sekunden von der Einspritzstelle 16 entfernt angeordnet ist.
- Vorrichtung nach Anspruch 4 und 10, dadurch gekennzeichnet, dass in der Zuflussstrecke (12) eine zweite Messstelle (M2) vorgesehen ist.
- Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die zweite Messstelle (M2) bezüglich einer Laufzeit des Fluids TL2 weiter entfernt als auf halber Strecke von der Einspritzstelle (16) bis zum Zielort (22) angeordnet ist.
- Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, dass Messwerte (1; 2) der beiden Messstellen (M1; M2) einer gemeinsamen Regeleinrichtung (21) zugeführt sind.
- Verwirbelungsstrecke (17) oder Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass ein Ein- und Auslassbereich (29; 31) der Verwirbelungskammer (17) in Form zweier kastenförmiger Rohre ausgeführt sind, und eine Stoßlinie (34) der Ein- und Auslassbereiche (29; 31) zumindest in einer durch die Flussrichtungen im Einlass- und Auslassbereich (29; 31) gebildete Ebene kantig abgeknickt (36; 37) ausgeführt sind.
- Verwirbelungsstrecke (17) oder Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Verwirbelungskammer (17) einen rohrförmigem Ein- und Auslassbereich (29; 31) aufweist, und eine Stoßlinie (34) der rohrförmigem Ein- und Auslassbereiche (29; 31) zumindest in einer durch die Flussrichtungen im Einlassund Auslassbereich (29; 31) gebildete Ebene kantig abgeknickt (36; 37) ausgeführt sind.
- Verwirbelungsstrecke (17) oder Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Verwirbelungskammer (17) in der Geometrie eines Quaders ausgeführt ist, welcher in zwei benachbarten Flächen (A2) jeweils eine Öffnung (32; 33) zur Zufuhr bzw. Abfuhr des Fluids aufweist.
- Verwirbelungsstrecke (17) nach Anspruch 1 oder Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass das Bauteil (01) als Walze (01) oder Zylinder (01) eines feuchtmittelfreien Offsetdruckwerkes ausgeführt ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10258927 | 2002-12-17 | ||
DE10258927 | 2002-12-17 | ||
DE10328235A DE10328235B4 (de) | 2002-12-17 | 2003-06-24 | Verwirbelungsstrecke und Vorrichtung zur Temperierung eines Bauteils |
DE10328235 | 2003-06-24 |
Publications (2)
Publication Number | Publication Date |
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EP1435290A1 true EP1435290A1 (de) | 2004-07-07 |
EP1435290B1 EP1435290B1 (de) | 2007-12-19 |
Family
ID=32509755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP03104618A Expired - Lifetime EP1435290B1 (de) | 2002-12-17 | 2003-12-10 | Verwirbelungsstrecke und Vorrichtung zur Temperierung eines Bauteiles |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1435290B1 (de) |
AT (1) | ATE381433T1 (de) |
DE (2) | DE10328235B4 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005049176B4 (de) * | 2004-11-11 | 2013-09-12 | Heidelberger Druckmaschinen Ag | Druckmaschine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3128993A (en) * | 1964-04-14 | Device for commingling slowly flowing liquids | ||
US3780796A (en) * | 1970-11-12 | 1973-12-25 | Windmoeller & Hoelscher | Multicolour printing press comprising a backing cylinder containing heating chambers |
CH581493A5 (en) * | 1974-06-24 | 1976-11-15 | Escher Wyss Ag | Static mixer for in line mixing - having sudden expansion with secondary fluid injection just prior to it |
DE4429520A1 (de) | 1994-08-19 | 1996-02-22 | Baldwin Gegenheimer Gmbh | Verfahren und Vorrichtung zur Temperierung von Temperierflüssigkeit in Druckmaschinen |
EP0886577B1 (de) | 1996-03-13 | 1999-12-01 | Heidelberger Druckmaschinen Aktiengesellschaft | Druckwerk für druckfarben auf wasserbasis |
US20020185552A1 (en) * | 2001-04-19 | 2002-12-12 | Adamson William R. | Apparatus and process for enhanced feed atomization |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9316932U1 (de) * | 1993-11-05 | 1993-12-16 | Man Roland Druckmaschinen Ag, 63069 Offenbach | Druckwerk für wasserlosen Offsetdruck |
-
2003
- 2003-06-24 DE DE10328235A patent/DE10328235B4/de not_active Expired - Fee Related
- 2003-12-10 EP EP03104618A patent/EP1435290B1/de not_active Expired - Lifetime
- 2003-12-10 DE DE50308843T patent/DE50308843D1/de not_active Expired - Lifetime
- 2003-12-10 AT AT03104618T patent/ATE381433T1/de not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3128993A (en) * | 1964-04-14 | Device for commingling slowly flowing liquids | ||
US3780796A (en) * | 1970-11-12 | 1973-12-25 | Windmoeller & Hoelscher | Multicolour printing press comprising a backing cylinder containing heating chambers |
CH581493A5 (en) * | 1974-06-24 | 1976-11-15 | Escher Wyss Ag | Static mixer for in line mixing - having sudden expansion with secondary fluid injection just prior to it |
DE4429520A1 (de) | 1994-08-19 | 1996-02-22 | Baldwin Gegenheimer Gmbh | Verfahren und Vorrichtung zur Temperierung von Temperierflüssigkeit in Druckmaschinen |
EP0886577B1 (de) | 1996-03-13 | 1999-12-01 | Heidelberger Druckmaschinen Aktiengesellschaft | Druckwerk für druckfarben auf wasserbasis |
US20020185552A1 (en) * | 2001-04-19 | 2002-12-12 | Adamson William R. | Apparatus and process for enhanced feed atomization |
Also Published As
Publication number | Publication date |
---|---|
EP1435290B1 (de) | 2007-12-19 |
DE10328235B4 (de) | 2005-10-06 |
DE10328235A1 (de) | 2004-07-15 |
ATE381433T1 (de) | 2008-01-15 |
DE50308843D1 (de) | 2008-01-31 |
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