EP1258352A1 - Vorrichtung zum Kühlen einer Materialbahn - Google Patents
Vorrichtung zum Kühlen einer Materialbahn Download PDFInfo
- Publication number
- EP1258352A1 EP1258352A1 EP02007335A EP02007335A EP1258352A1 EP 1258352 A1 EP1258352 A1 EP 1258352A1 EP 02007335 A EP02007335 A EP 02007335A EP 02007335 A EP02007335 A EP 02007335A EP 1258352 A1 EP1258352 A1 EP 1258352A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- cooling medium
- steam
- web
- steam jet
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 90
- 239000000463 material Substances 0.000 title claims description 28
- 239000002826 coolant Substances 0.000 claims abstract description 86
- 238000001704 evaporation Methods 0.000 claims abstract description 8
- 230000008020 evaporation Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000002918 waste heat Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 238000007726 management method Methods 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
- F26B13/18—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
- F26B13/183—Arrangements for heating, cooling, condensate removal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0476—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0476—Cooling
- B41F23/0479—Cooling using chill rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0483—Drying combined with cooling
Definitions
- the invention relates to a device and a method for cooling a material web, in particular a printed paper web heated in a hot air dryer in one Web-fed rotary printing press according to the preamble of claim 1 and claim 11.
- a dryer for example one Hot air dryer, in which the web by exposure to hot air from for example about 300 ° C is dried when passing through the dryer.
- the material web has a temperature of, for example, approximately 100 ° C and is, before it is fed to a downstream folder, by a cooling device, for example a cooling roll stand, in which it is carried out with cooling liquid through which cooling rollers are guided, for example about 20 ° C is cooled.
- the necessary temperature increase is achieved, for example, by the Burning a fuel gas in a combustion chamber and / or afterburning the the material web evaporated solvent, always a part of warmed and post-burned air energetically unused as waste heat from a fireplace is fed.
- the operation of the cooling device that is, the operation a chiller assigned to the cooling device, for example one Compression refrigerator, a cooling capacity on the order of magnitude, for example 100kW required.
- a device for drying and cooling freshly printed is Paper webs known in which the heat energy required to operate a Absorption refrigeration system through the hot exhaust gas is fed to an afterburner.
- the hot exhaust gas is first fed to a heat exchanger, in which a Part of the heat is transferred to a heating medium in a first circuit, the Hot medium flows through a heating coil in a cooker.
- a refrigerant solution for example an ammonia solution, gaseous refrigerant expelled elevated temperature and pressure, which in a second Circuit is supplied to a condenser, in which one with a recooler in Connected cooling coil of a third circuit is arranged.
- the gaseous coolant is liquefied by heat exchange with the pumped cooling water of the third circuit liquefied and in the second circuit fed to an evaporator via a relief valve, in which an evaporator Heating coil is arranged with the cooling registers of a cooling device via a fourth circuit is connected. Heat is generated via the heating coil in the evaporator released the refrigerant and thus cools a heat transfer medium in the fourth circuit. From the evaporator, the low-pressure refrigerant vapor passes through the second Circuit to an absorber, where it absorbs in low-concentration refrigerant solution becomes. A cooling coil of a fifth circuit is arranged in the absorber, which dissipates the heat of absorption released in the absorber. The now enriched Refrigerant solution is pumped inside the second circuit pumped increased pressure back into the cooker while at the same time out of the cooker Low-refrigerant solution is fed to the absorber via a control valve.
- This device has the disadvantage that it has a very complex structure, includes in particular five separate heating and coolant circuits and this on the one hand generates high investment and operating costs and on the other hand very much has large dimensions, so that a correspondingly large at cost Space must be provided. Furthermore, it is disadvantageous that the Device for operation requires a volatile refrigerant, which in the event of leakage of the usually closed second circuit in the pressure chamber and exit Can cause environmental and health damage.
- steam jet vacuum pumps are known from the prior art for For example, such as those sold by Schutte & Koerting, which with the help of a create a vacuum under high pressure steam.
- the under high-pressure steam is first fed to a nozzle, from which it flows under Decrease in pressure while increasing the speed of the steam into a tapered section of the nozzle Steam jet vacuum nozzle flows.
- a side opening which communicates with the middle section creates a vacuum.
- the steam then flows through an expanding section of the Steam jet vacuum nozzle, whereby the speed decreases again and the pressure of the steam increases again, so that this against an external pressure from the Steam jet vacuum nozzle can escape.
- the invention is accordingly based on the object of providing a device which by a simple structure, and thereby at cost savings simultaneous high reliability causes the cooling of a material web. Still is It is an object of the present invention to provide an apparatus for cooling a To create material web, which includes very few moving parts and without Chemicals works, which have special requirements in terms of construction and operation the device.
- the device according to the invention for cooling a material web, in particular one printed and heated in a hot air dryer paper web in one Web-fed rotary printing machine uses a cooling medium, which for cooling the Material web is passed through a cooling unit, and a first portion of the Cooling medium evaporates and a second portion of the cooling medium by withdrawing Evaporative heat is cooled by at least one Steam generator, in which, at least in part by means of the waste heat of the Heating device, steam is generated, at least one steam jet vacuum nozzle, which is operated with the steam and which generates a negative pressure, and a Vacuum chamber in which the cooling medium with the vacuum at least partial evaporation and cooling is applied.
- the device for cooling a material web has very few and easy-to-use components, so that on the one hand the purchase and the operation the device causes little cost, while on the other hand the operation of the Device also only with low costs and at the same time with very high Reliability is feasible.
- the device according to the invention has a Steam jet vacuum nozzle, which is compared to the power it provides has a very small construction volume, so that it advantageously, without larger Conversion measures, in the vicinity or in the device for cooling a material web can be arranged.
- Such a steam jet vacuum nozzle also shows in advantageously no moving parts, so that only very much during operation little or no significant wear occurs, which in turn costs and Working wall for repairs can be saved.
- the device according to the invention uses further, at least in part, the waste heat from a heating device, and thus causes advantageously high energy and cost savings.
- the device both have a first steam jet vacuum nozzle which has a first negative pressure generated with which the cooling medium is applied, as well as at least a second Have steam jet vacuum nozzle, which generates a second vacuum, which is greater than the first negative pressure and with which the cooling medium is applied.
- the first steam jet vacuum nozzle can be used for this purpose Generate forevacuum, starting from which at least one more Steam jet vacuum nozzle either creates the desired vacuum or just again creates an intermediate vacuum, which is gradually increased by further Steam jet vacuum nozzles can be reduced.
- This also makes it, for example, in advantageously possible instead of an extremely powerful steam jet vacuum nozzle multiple, lower performing steam jet vacuum nozzles for generation to operate a desired vacuum. Since the steam jet vacuum nozzles, as already mentioned, advantageously have small dimensions, there is also the advantage that even when using several steam jet vacuum nozzles in the device for Cooling a web of material overall requires only a relatively small amount of space consists.
- the subchamber may have at least two sections or has at least two partial chambers, which for exchanging cooling medium are connected to one another, the sections or the subchambers with different sized pressures are applied.
- each of the sections or sub-chambers by one its own steam jet vacuum nozzle assigned to a desired vacuum to evacuate and thereby in a last of the interconnected sections or Sub-chambers to build the desired final vacuum.
- the device with a temperature measuring unit and a control or Equip control unit, the temperature measuring unit the temperature of the Cooling medium determined before the cooling medium is passed through the cooling device and the control unit as a function of the temperature Steam flow through the steam jet vacuum nozzle controls or regulates.
- the control or for Control of the temperature of the cooling medium can thus be advantageously simple based on the measured temperature of the cooling medium before passing through the Cooling device the steam flow, for example by controlling a valve in the desired way. Setting or regulating one, for example predetermined temperature of the cooling medium can thus and easily be carried out quickly.
- the control or Have a control device designed in a known manner which the measured temperature value as an actual value with a predetermined Comparing temperature value as target value and depending on the deviation of both Values the control performs.
- a further embodiment of the device according to the invention can be a pump, a Have pressure measuring unit and a control or regulating unit, the pump in one Supply line from the vacuum chamber to the cooling unit can be installed, the Pressure measuring unit the pressure difference of the cooling medium before and after the pump can determine and where the control unit as a function of Pressure difference controls the flow rate of the pump in a known manner.
- the pressure of the cooling medium can be advantageously before the passage of the cooling medium can be set in the desired manner by the cooling device.
- Another device according to the invention can be characterized in that the Temperature of the cooling medium to about 10 ° C and the pressure of the cooling medium to about 1.7 bar is regulated.
- the heating device the waste heat for Steam generation is used, a hot air dryer, in particular a combustion chamber or is a post-combustion device of a hot air dryer.
- the waste heat of which is used for operation a device for cooling the material web has the required amount of energy it is advantageous to operate the device for cooling a material web with the Combine operation of the heater in such a way that the waste heat, that is Loss energy of the hot air dryer at least partially directly as useful energy in the Device for cooling flows.
- This is particularly advantageous because of the dryer and cooling device are arranged in close proximity to each other, so that for a long time Supply lines, which in particular must be thermally insulated, can be dispensed with.
- cooling device comprises at least one cooling roller through which the Cooling medium is guided, and which in particular has a diameter in the range of 150 mm to 250 mm.
- the device according to the invention also has the advantage that the means of Device cooled cooling medium are passed directly through the cooling rollers can, so that advantageously no further heat exchangers and cooling media are used can be.
- the diameter of the cooling rolls in the range of 150 mm up to 250 mm, i.e. by choosing a relatively small diameter of the cooling rolls it is also advantageous that the cooling rolls, which for example have a hollow Have interior, are flowed through with a relatively small amount of coolant can bring about the desired cooling effect.
- the connection of the Device according to the invention which requires little space, with a Chill roll stand, which has chill rolls with small diameters, overall a cooling device, which is the footprint of the entire web-fed rotary printing press considerably reduced.
- an object of the present invention is a method for cooling to create a material web, which with low cost and labor the desired cooling of a material web brings about high reliability at the same time.
- the cooling of a Cooling medium in an advantageous manner with low costs and little effort causes, due to the small number of process steps and their respective simple feasibility, the process is very reliable in the long run.
- the generation of a vacuum by means of the steam jet vacuum nozzle is done without moving parts and without the use of special chemicals, so none Signs of wear are to be expected, and on special safety measures can be dispensed with.
- Fig. 1 shows the schematic structure of a device according to the invention.
- Fig. 1 shows a hot air dryer 2, which three sections 4, 6 and 8, one Combustion chamber 10 and an integrated cooling roll stand 12, and by the a printed paper web 14 is guided around cooling rollers 16.
- the one from that Hot air dryer 2 generated warm exhaust air is a via a line 18 Heat exchanger 20 supplied and ejected from it via a chimney 22.
- Heat exchanger 20 a heating medium is heated, which via a feed line 24
- Steam generator 26 is supplied and from this via a return line 28 to Heat exchanger is performed.
- the steam generated in the steam generator 26 For example, water vapor is fed via a line 30 into which a controllable valve 32 is installed, to a first steam jet nozzle 34 and a second steam jet nozzle 36 out, from where the steam in turn via a line 38 back to one of the Sections of the hot air dryer 2 can be performed.
- the within the area shown by line 40 in FIG. 1 also be arranged within the hot air dryer 2.
- the vacuum chamber 50 has a first section 54, in which by means of the steam jet vacuum nozzle 34 a first vacuum above the Cooling medium 52 is generated and furthermore has a second section 56, in which is generated by means of the steam jet vacuum nozzle 36, the is higher than the first vacuum in the first section 54.
- the cooling medium is now at a certain temperature and a certain pressure of a branch point 62 from a line 64, a mixing valve 66 and a Shut-off valve 68 to a cooling roller 70 of the cooling roller stand 12, and through passed through this.
- the cooling roller 70 is enlarged and for illustration purposes shown outside the cooling roll stand 12.
- the surface of the cooling roll is at a low Temperature level maintained so that a paper web 14 guided over the surface Contact with the surface is cooled.
- the cooling medium is fed via a line 72 to a reservoir 74, in which the Cooling medium is stored and from which this via a line 76 and a Valve 78 can be guided back into the vacuum chamber 50.
- the control according to the invention can be used to control or regulate to predetermined values Device include other components.
- the Vacuum chamber 50 may be provided with a temperature measuring device 88 which Temperature of the cooling medium in the vacuum chamber is determined, the measured Temperature values are supplied to a control or regulating device 90, for example, which depending on the measured and possibly given temperature values by means of a motor 92 actuated the control valve 32 in the line 30.
- Vacuum can be influenced. Because this vacuum in turn evaporates the amount of Cooling medium in the vacuum chamber 50 affects, and thus the amount of withdrawn Evaporation heat, this way the temperature of the cooling medium can be exact can be set.
- Pressure difference between measuring points before and after the pump 60 are determined, wherein the measured value can also be supplied to the control or regulating device 90 can, which depending on the measured value and possibly predetermined Differential pressure values via a motor 96 increases or increases the delivery capacity of the pump 60 decreased so that the pressure at which the cooling medium passes through the cooling roller 70 is performed, set in the desired manner, that is, to a desired value can be.
- the Temperature of the cooling medium before the cooling medium is passed through the Cooling roller 70 are measured, the measured values in turn the control or Control device can be supplied, for example, depending on the Operating state of the web-fed rotary printing press via a motor 104
- Mixing valve 66 can operate, thereby cooling the cooling medium from the vacuum chamber is mixed with heated cooling medium from the heating area 100 and the Cooling roller 70 is supplied. This can happen, for example, when the machine is at a standstill Temperature level of the cooling medium from an operating temperature of about 10 ° C Actuation of the mixing valve to about 20 ° C, so that when the Machine does not come to condensation on the cooling rollers.
- a shut-off valve 68 can be provided, with which the inflow of Cooling medium to the cooling rollers can be prevented, the shut-off valve 68 for Example operated by an electromagnetic actuator 106 can be.
- the line 76 is for filling the vacuum chamber 50 with cooling medium with an inlet 108 via an actuator 110 which can also be actuated Shutoff valve 112 connected.
- the level of the cooling medium in the Vacuum chamber 50 determined via a fill level measuring device, not shown be, this via a line 114 with a motor 116 and its control can be connected, which actuates a valve 78 with which the supply of cooling medium can be adjusted to the vacuum chamber 50.
- Such a device for cooling a material web can be characterized, for example, by the following values: at a speed of the paper web of 15 m / s and a width of 1460 mm and a weight of the paper web of 90 g / m 2 the temperature of the paper web is reduced from an input temperature web of 80 ° C. in front of the chill roll stand 12 to an outlet temperature of 35 ° C. after the chill roll stand 12, the device shown having to have a power of approximately 115 kWh.
- steam is generated by the steam generator at a pressure of approximately 10 bar and a temperature of approximately 180 ° C., which, guided through the two steam jet vacuum nozzles, extracts approximately 2.8 l / min of water vapor from the vacuum chamber 50.
- a negative pressure of approximately 12 mbar is generated in the vacuum chamber 50 and the cooling medium is cooled to approximately 10 ° C. to 20 ° C.
- the temperature control device 87 and the pressure control device 93 bring the cooling medium to 1.7 bar pressure and 10 ° C. temperature before it flows through the cooling roller 70.
- the cooling medium After the cooling medium has flowed through the cooling roller stand 12 and its cooling rollers 16, 70, the cooling medium only has a pressure of about 1.2 bar and an elevated temperature of 14 ° C.
- the vacuum chamber 50 and the reservoir 74 can each have a volume of approximately 40 l.
- the use of the waste heat from the afterburning of the dryer 2 is sufficient, so that further energy feeding into the device can be dispensed with.
- the control or regulating device 90 can be a display 118, an input unit 120 as well as a storage unit 122, in which measured values, default values, as well complete control profiles for predefined operating states of the Web-fed rotary printing press can be stored.
- the tax or Control device 90 can for this purpose via lines, not shown, to the individual Measuring devices 88, 94, 102 and the various valves or their Actuator motors connected in such a way that targeted control or also regulation of these components by automatically running programs in the control or Control device 90 or also by manual inputs by an operator can be carried out.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
- Erzeugen von Dampf, zumindest zum Teil mittels der Abwärme der Heizeinrichtung,
- Betreiben einer Dampfstrahlvakuumdüse mit dem Dampf und Erzeugen eines Unterdrucks mittels der Dampfstrahlvakuumdüse, und
- Beaufschlagen des Kühlmediums mit dem Unterdruck, zum zumindest teilweisen Verdampfen und zum Abkühlen des Kühlmediums
- 2
- Heißlufttrockner
- 4, 6, 8
- Sektionen des Heißlufttrockners
- 10
- Brennkammer
- 12
- Kühlwalzenstand
- 14
- Papierbahn
- 16
- Kühlwalzen
- 18
- Leitung
- 20
- Wärmetauscher
- 22
- Kamin
- 24
- Zuleitung
- 26
- Dampfgenerator
- 28
- Rückleitung
- 30
- Leitung
- 32
- Ventil
- 34, 36
- Dampfstrahlvakuumdüsen
- 38
- Leitung
- 40
- Linie
- 42
- Stellen mit verengtem Querschnitt
- 44
- Stellen mit verengtem Querschnitt
- 46, 48
- Leitung
- 50
- Vakuumkammer
- 52
- Kühlmedium
- 54
- erster Abschnitt
- 56
- zweiter Abschnitt
- 58
- Leitung
- 60
- Pumpe
- 62
- Verzweigungspunkt
- 64
- Leitung
- 66
- Mischventil
- 68
- Absperrventil
- 70
- Kühlwalze
- 72
- Leitung
- 74
- Reservoir
- 76
- Leitung
- 78
- Ventil
- 80
- Überlauf
- 82
- Schwimmer
- 84
- Ventil
- 86
- Zulauf
- 87
- Temperaturregeleinrichtung
- 88
- Temperaturmesseinrichtung
- 90
- Steuer- oder Regeleinrichtung
- 92
- Motor
- 93
- Druckregeleinrichtung
- 94
- Druckmesseinrichtung
- 96
- Motor
- 98
- Leitung
- 100
- Heizbereich
- 102
- Temperaturmesseinrichtung
- 104
- Motor
- 106
- Betätigungseinrichtung
- 108
- Zulauf
- 110
- Betätigungseinrichtung
- 112
- Absperrventil
- 114
- Leitung
- 116
- Motor
- 118
- Anzeige
- 120
- Eingabeeinheit
- 122
- Speichereinheit
Claims (11)
- Vorrichtung zum Kühlen einer Materialbahn (14), insbesondere einer bedruckten und in einem Heißlufttrockner erhitzten Papierbahn (14) in einer Rollenrotationsdruckmaschine, wobei die Vorrichtung Abwärme einer Heizeinrichtung (2, 10) zur Verdampfungsabkühlung eines Kühlmediums (52) nutzt, welches zur Kühlung der Materialbahn (14) durch eine Kühleinrichtung (12) geleitet wird, und wobei ein erster Anteil des Kühlmediums (52) verdampft und ein zweiter Anteil des Kühlmedium (52) durch Entzug von Verdampfungswärme abgekühlt wird, gekennzeichnet durch
mindestens einen Dampfgenerator (26), in welchem, zumindest zum Teil mittels der Abwärme der Heizeinrichtung (10), Dampf erzeugt wird,
mindestens eine Dampfstrahlvakuumdüse (34, 36), welche mit dem Dampf betrieben wird und welche einen Unterdruck erzeugt,
eine Unterdruckkammer (50), in welcher das Kühlmedium (52) mit dem Unterdruck zum zumindest teilweisen Verdampfen und zum Abkühlen beaufschlagt wird. - Vorrichtung nach Anspruch 1,
gekennzeichnet durch
eine erste Dampfstrahlvakuumdüse (34), welche einen ersten Unterdruck erzeugt, mit welchem das Kühlmedium (52) beaufschlagt wird, und mindestens eine zweite Dampfstrahlvakuumdüse (36), welche einen zweiten Unterdruck erzeugt, welcher größer als der erste Unterdruck ist und mit welchem das Kühlmedium (52) beaufschlagt wird. - Vorrichtung nach Anspruch 2
dadurch gekennzeichnet, dass die Unterdruckkammer (50) mindestens zwei Abschnitte (54, 56) oder mindestens zwei Teilkammern (54, 56) aufweist, welche zum Austauschen von Kühlmedium (52) miteinander verbunden sind, wobei die Abschnitte oder die Teilkammern (54, 56) mit unterschiedlich großen Unterdrücken beaufschlagt werden. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
eine Temperaturmesseinheit (88), welche die Temperatur des Kühlmediums (52) vor der Durchleitung des Kühlmediums durch die Kühleinrichtung (12) bestimmt, und eine Steuer- oder Regeleinheit (50), welche in Abhängigkeit von der Temperatur den Dampfdurchfluss durch die Dampfstrahlvakuumdüse (34, 36) steuert oder regelt. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
eine Pumpe (60), welche in eine Zuleitung (58) von der Vakuumkammer (50) zu der Kühleinheit (12) eingebaut ist, eine Druckmesseinheit (94), welche die Druckdifferenz des Kühlmediums (52) vor und nach der Pumpe (60) bestimmt, und eine Steuer- oder Regeleinheit (90), welche in Abhängigkeit von der Druckdifferenz die Förderleistung der Pumpe (60) steuert oder regelt. - Vorrichtung nach Anspruch 4 oder 5,
dadurch gekennzeichnet, dass die Temperatur des Kühlmediums (52) in der Vakuumkammer (50) auf etwa 10°C bis 20°C und der Druck des Kühlmediums (52) auf etwa 12 mbar geregelt wird. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Heizeinrichtung (2) ein Heißlufttrockner (2), insbesondere eine Brennkammer (10) oder eine Nachverbrennungseinrichtung (10) des Heißlufttrochners, ist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Kühleinrichtung (12) mindestens eine Kühlwalze (16, 70) umfasst, durch welche das Kühlmedium (52) geführt wird, und welche insbesondere einen Durchmesser im Bereich von 150 mm bis 250 mm aufweist. - Trockner, insbesondere Heißlufttrockner,
gekennzeichnet durch
eine Vorrichtung nach einem der Ansprüche 1 bis 8, wobei insbesondere wenigstens die Dampfstrahlvakuumdüsen (34, 36) in den Trockner (2) integriert sind. - Druckmaschine, insbesondere Rollenrotationsdruckmaschine,
gekennzeichnet durch
eine Vorrichtung nach einem der Ansprüche 1 bis 8 oder einen Trockner nach Anspruch 9. - Verfahren zum Kühlen einer Materialbahn (14), insbesondere einer bedruckten und in einem Heißlufttrockner erhitzten Papierbahn (14) in einer Rollenrotationsdruckmaschine, wobei Abwärme einer Heizeinrichtung (2, 10) zur Verdampfungsabkühlung eines Kühlmediums (52) genutzt wird, welches zur Kühlung der Materialbahn (14) durch eine Kühleinrichtung (12) geleitet wird, und wobei ein erster Anteil des Kühlmediums (52) verdampft und ein zweiter Anteil des Kühlmedium (52) durch Entzug von Verdampfungswärme abgekühlt wird, gekennzeichnet durch die folgenden Verfahrensschritte:Erzeugen von Dampf, zumindest zum Teil mittels der Abwärme der Heizeinrichtung (2, 10),Betreiben einer Dampfstrahlvakuumdüse (34, 36) mit dem Dampf und Erzeugen eines Unterdrucks mittels der Dampfstrahlvakuumdüse, undBeaufschlagen des Kühlmediums (52) mit dem Unterdruck, zum zumindest teilweisen Verdampfen und zum Abkühlen des Kühlmediums (52).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10123489 | 2001-05-15 | ||
| DE10123489A DE10123489B4 (de) | 2001-05-15 | 2001-05-15 | Vorrichtung zum Kühlen einer Materialbahn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1258352A1 true EP1258352A1 (de) | 2002-11-20 |
| EP1258352B1 EP1258352B1 (de) | 2006-06-28 |
Family
ID=7684786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02007335A Expired - Lifetime EP1258352B1 (de) | 2001-05-15 | 2002-04-05 | Vorrichtung zum Kühlen einer Materialbahn |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6892642B2 (de) |
| EP (1) | EP1258352B1 (de) |
| JP (1) | JP2003028531A (de) |
| CN (1) | CN1385302A (de) |
| AT (1) | ATE331620T1 (de) |
| DE (2) | DE10123489B4 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555122A1 (de) | 2004-01-16 | 2005-07-20 | Uviterno AG | Verfahren zum Bedrucken von Flachmaterial und Vorrichtung zur Durchführung des Verfahrens |
| EP2163386A1 (de) * | 2008-09-10 | 2010-03-17 | Goss Contiweb B.V. | Vorrichtung und Verfahren zur Vorbereitung einer flüssigen Mischung |
| CN104036955A (zh) * | 2014-06-24 | 2014-09-10 | 宁波市江北九方和荣电气有限公司 | 新型电容器 |
| CN109747388A (zh) * | 2017-11-02 | 2019-05-14 | 福特全球技术公司 | 蒸气喷射热泵和控制方法 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040173149A1 (en) * | 2003-01-30 | 2004-09-09 | Heidelberger Druckmaschinen Ag | Device for applying a liquid mixture to web-shaped printing material |
| DE10354454B4 (de) * | 2003-11-21 | 2009-11-26 | Technotrans Ag | Temperiervorrichtung für Druckmaschinen |
| DE202004005480U1 (de) * | 2004-04-02 | 2004-06-03 | Heidelberger Druckmaschinen Ag | Bogendruckmaschine |
| CN101715372A (zh) * | 2007-03-23 | 2010-05-26 | 美格特克系统公司 | 具备冷却和材料回收能力的幅面涂层涂覆器 |
| JP5434229B2 (ja) * | 2009-04-22 | 2014-03-05 | 株式会社デンソー | 充電制御装置 |
| JP2010284834A (ja) * | 2009-06-10 | 2010-12-24 | Nihon Setsubi Kogyo Co Ltd | 印刷機における廃熱利用の印刷システム |
| US20110030232A1 (en) * | 2009-07-31 | 2011-02-10 | May Wayne A | Binary fluid ejector desiccation system and method of utilizing the same |
| JP4851584B2 (ja) * | 2009-12-22 | 2012-01-11 | 中本パックス株式会社 | 塗布液剤の乾燥方法及び装置 |
| JP5502698B2 (ja) * | 2010-10-25 | 2014-05-28 | 月島機械株式会社 | 加熱処理設備及び方法 |
| DE102010062142B4 (de) | 2010-11-29 | 2015-11-12 | Koenig & Bauer Ag | Druckmaschine mit einem Trocknersystem sowie Verfahren zum Betrieb eines Trockners einer Bedruckstoff be- und/oder verarbeitenden Druckmaschine |
| DE102010062145B4 (de) | 2010-11-29 | 2015-10-29 | Koenig & Bauer Ag | Druckmaschine mit mindestens einem einen Heißlufttrockner aufweisenden Trocknersystem sowie Verfahren zum Betrieb einer Druckmaschine mit mindestens einem Heißlufttrockner |
| DE102010062144B4 (de) | 2010-11-29 | 2015-11-12 | Koenig & Bauer Ag | Druckmaschine mit mindestens einem einen Heißlufttrockner aufweisenden Trocknersystem sowie Verfahren zum Betreiben eines einen Heißlufttrockner aufweisenden Trocknersystems |
| JP5751857B2 (ja) * | 2011-02-22 | 2015-07-22 | キヤノン株式会社 | 記録装置 |
| CN102673117B (zh) * | 2011-03-18 | 2014-03-26 | 武汉虹之彩包装印刷有限公司 | 一种用于丝网印刷的加湿装置 |
| CN104534726A (zh) * | 2014-12-26 | 2015-04-22 | 苏州凯锝微电子有限公司 | 一种切割冷却设备 |
| WO2018048401A1 (en) | 2016-09-08 | 2018-03-15 | Hewlett-Packard Development Company, L.P. | Airflow for a motor |
| CN121185028B (zh) * | 2025-11-26 | 2026-02-03 | 云峰机械(福建)有限公司 | 一种连续式真空冷却机 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0997697A2 (de) | 1998-10-28 | 2000-05-03 | VITS-Maschinenbau GmbH | Vorrichtung zum Trocknen und Kühlen frisch bedruckter Papierbahnen |
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| CH655690B (de) | 1982-05-19 | 1986-05-15 | ||
| US4501072A (en) * | 1983-07-11 | 1985-02-26 | Amjo, Inc. | Dryer and printed material and the like |
| NL8800226A (nl) * | 1988-01-29 | 1989-08-16 | Stork Contiweb | Droger voor een materiaalbaan. |
| US4942056A (en) * | 1988-02-18 | 1990-07-17 | Seiko Epson Corporation | Method for replenishing a depleted ink sheet |
| US5676754A (en) * | 1995-03-20 | 1997-10-14 | Advance Systems, Inc. | Apparatus for preventing ink resoftening on a printed web as the web travels over a chill roll |
| US6368696B1 (en) * | 1997-04-09 | 2002-04-09 | Dai Nippon Printing Co. | Patterned thick laminated film forming method and transfer sheet |
| US5857838A (en) * | 1997-04-09 | 1999-01-12 | Lockheed Martin Idaho Technologies Company | Water cooled steam jet |
| CA2243722A1 (en) * | 1997-07-25 | 1999-01-25 | Asahi Kogaku Kogyo Kabushiki Kaisha | Image-forming system |
| DE19900475A1 (de) * | 1998-01-09 | 1999-07-15 | Asahi Optical Co Ltd | Bilderzeugung mit Mikrokapseln |
| DE19802739A1 (de) * | 1998-01-26 | 1999-07-29 | Roland Man Druckmasch | Kühlvorrichtung in einem Falzaufbau und Kühlverfahren |
| DE19918130A1 (de) * | 1999-04-21 | 2000-10-26 | Heidelberger Druckmasch Ag | Kühl- und Befeuchtungseinheit für Rotationsdruckmaschinen |
| DE19918669A1 (de) * | 1999-04-23 | 2000-10-26 | Heidelberger Druckmasch Ag | Trockner mit integrierter Kühleinheit |
| DE19945272B4 (de) * | 1999-09-22 | 2004-03-11 | Baldwin Germany Gmbh | Druckluftversorgungseinrichtung einer Druckmaschine oder einer Bogen-Handhabungsvorrichtung |
-
2001
- 2001-05-15 DE DE10123489A patent/DE10123489B4/de not_active Expired - Fee Related
-
2002
- 2002-04-05 AT AT02007335T patent/ATE331620T1/de not_active IP Right Cessation
- 2002-04-05 EP EP02007335A patent/EP1258352B1/de not_active Expired - Lifetime
- 2002-04-05 DE DE50207357T patent/DE50207357D1/de not_active Expired - Lifetime
- 2002-05-08 JP JP2002132513A patent/JP2003028531A/ja active Pending
- 2002-05-15 US US10/146,580 patent/US6892642B2/en not_active Expired - Lifetime
- 2002-05-15 CN CN02119848.9A patent/CN1385302A/zh active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0997697A2 (de) | 1998-10-28 | 2000-05-03 | VITS-Maschinenbau GmbH | Vorrichtung zum Trocknen und Kühlen frisch bedruckter Papierbahnen |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1555122A1 (de) | 2004-01-16 | 2005-07-20 | Uviterno AG | Verfahren zum Bedrucken von Flachmaterial und Vorrichtung zur Durchführung des Verfahrens |
| EP2163386A1 (de) * | 2008-09-10 | 2010-03-17 | Goss Contiweb B.V. | Vorrichtung und Verfahren zur Vorbereitung einer flüssigen Mischung |
| WO2010029137A1 (en) * | 2008-09-10 | 2010-03-18 | Goss Contiweb B.V. | Device and method for preparing a liquid mixture |
| CN104036955A (zh) * | 2014-06-24 | 2014-09-10 | 宁波市江北九方和荣电气有限公司 | 新型电容器 |
| CN109747388A (zh) * | 2017-11-02 | 2019-05-14 | 福特全球技术公司 | 蒸气喷射热泵和控制方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50207357D1 (de) | 2006-08-10 |
| US6892642B2 (en) | 2005-05-17 |
| US20030029342A1 (en) | 2003-02-13 |
| DE10123489B4 (de) | 2009-04-02 |
| JP2003028531A (ja) | 2003-01-29 |
| DE10123489A1 (de) | 2002-11-21 |
| EP1258352B1 (de) | 2006-06-28 |
| ATE331620T1 (de) | 2006-07-15 |
| CN1385302A (zh) | 2002-12-18 |
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