EP0869323A2 - Trockner für eine Materialbahn mit Abgasrezirkulation - Google Patents
Trockner für eine Materialbahn mit Abgasrezirkulation Download PDFInfo
- Publication number
- EP0869323A2 EP0869323A2 EP98103115A EP98103115A EP0869323A2 EP 0869323 A2 EP0869323 A2 EP 0869323A2 EP 98103115 A EP98103115 A EP 98103115A EP 98103115 A EP98103115 A EP 98103115A EP 0869323 A2 EP0869323 A2 EP 0869323A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- dryer
- dryer according
- gas
- zone
- pipe
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
- F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
-
- 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
Definitions
- the invention relates to a dryer for material webs Exhaust gas recirculation.
- EP 0 264 637 B1 relates to a continuous dryer for material webs, in particular an offset dryer.
- the material web is heated on one or both sides
- Air blowing nozzles are provided with at least one blowing nozzle with circulating air blowers and at least one gas-fed heating device for the circulating air and a post-combustion device for the circulating air.
- There are one Inlet slot and an outlet slot for the material web are provided, wherein at least at one of these slots above and below the Material web guide level mixing chambers are provided, in which the over Inlet slot and possibly fresh air flowing in with outlet slot hot gases of the afterburning device is mixed. They are outlets provided to the inside of the dryer, each with gas and circulating air from the dryer fed heating device and afterburning device into one unit are summarized and a closed combustion chamber in the dryer housing exhibit.
- each heating and Afterburner gas and circulating air supplied to the dryer wherein closed combustion chambers are arranged inside the dryer.
- air instead of exhaust gas is returned to the heating devices, whereby the volume to be supplied to the post-combustion devices does not significantly reduced. Consequently, the gas consumption of the Afterburners are also not significantly reduced.
- EP 0 326 227 A1 discloses a dryer for a material web.
- the particular one Dryers provided for an offset printing machine comprises a housing with a Inlet slot and an outlet slot for the material web.
- the housing is with Blower nozzles equipped with one or more fans with circulating air be supplied to the inside of the dryer.
- the housing also includes a Heater with a burner to control the atmosphere inside the dryer change.
- the interior of the housing is divided into a heating zone and shared an evaporation zone.
- the heater also includes another Zone from which a portion of the heated air passes through an outlet of the heating zone is supplied while the remaining part of the heated air to the Ambient air is passed on.
- the atmosphere in the evaporation zone serves as combustion air for the burners of the heating device.
- an object of the energy consumption when operating a The dryer drastically.
- Another object of the present invention consists of the exhaust gas volume flow, which is a post-combustion device is significantly reduced and thereby also the energy consumption on To reduce afterburner.
- an object of the invention is equip a dryer with a simple and safe energy transport, without the need for additional fans or support burners.
- the tasks are characterized by the features of the claim 1 solved.
- the dryer can comprise a plurality or only one or two zones.
- the dryer can also be used both in the direct current principle - web running direction and the direction of flow of the air are rectified - as well as in the counterflow principle operate where web running direction and flow direction of the air opposite are.
- the burner is preferably designed as a process air burner, the with an air ratio ⁇ > 1 works.
- the volume flow of the exhaust gas is determined by a actuated control element controlled, for example in a pipe system can be accommodated. Alternatively, the actuatable actuating element can also be in one Exhaust pipe to be housed.
- the heating energy of the heated gas can be advantageous to the individual Zones of the dryer are fed through a pipe system.
- the cross sections this pipe system can be seen along the length of the dryer lose weight.
- At the transition points of the different sections of the Pipe system outlet openings are provided to the heated gas to the individual To supply dryer zones.
- Part of the heated gas can also be a cooling zone of the dryer.
- the actuatable control element can be via temperature sensors, thermocouples are controlled, which measure, for example, the temperature of the material web.
- the temperature sensors or thermocouples can also be used in the corresponding zones of the dryer.
- the energy supply Controlling control elements can depend on the measured temperature be performed.
- FIG. 1 shows a schematic representation of a dryer concept according to the present invention.
- a dryer 1 for a material web 2 comprises one Inlet opening 4 and an outlet opening 5, through which a material web 2 in Web direction 3 moves.
- a burner unit 14 is installed within a first pipe section 15.1 Pipe system 15, a burner unit 14 is installed. Through an exhaust pipe 28 exhaust gas is shown here only schematically Afterburner 41 supplied.
- a burner 14 is arranged to improve the exhaust gas quality so that it meets the required standards.
- a fuel supply 29 is arranged.
- the corresponding one Quantity can be supplied to the first pipe section 15.1 in which the Burner unit 14 is accommodated (in the example like. Fig. 1 about 50%).
- a fan 26 which blows out the exhaust gas; Fresh air enters interior 6 of the dryer through openings 25 above the outlet opening 5.
- the residence time of the process gas can be extended considerably are so that the volatile solvent components are completely burned can be. In this way, the process gas can be burned completely, that up to 95% of the volatile solvents are burned, which follows will be explained later. Since a large part of the exhaust gas to the burner unit 14 is recirculated, only the remaining part of the exhaust gas needs Afterburning device 41 to be supplied. Consequently, the one in the Afterburning device energy portion to be reduced, since this of the amount of the exhaust gas directed to the afterburning device is dependent.
- Fig. 2 shows a simplified dryer representation
- a Burner unit 14 such as a process air burner, heats the process gas within the first pipe section 15.1 to a temperature of approx. 700 ° C.
- the first Pipe section 15.1 shields the flame and the process gas from the atmosphere the inside of the dryer, against partially evaporated volatile Solvent components from, so that a cracking of the volatile Solvent components can not occur. Since also along the length the first pipe section 15.1 maintain a temperature of about 700 ° C heated gas becomes a first at this temperature Recirculation fan 10 of the first zone 7 supplied.
- the fan 10 mixes hot Gas with circulating air in the first zone 10 and passes it to a first nozzle section 12.
- a fan 26 is arranged within the first zone 7, the exhaust gas one Pipes system 15, 28 feeds, in which an actuatable control element 27 is installed is.
- the actuatable control element 27 By means of the actuatable control element 27, the amount of exhaust gas, the Afterburning device 41 and the burner unit 14 in the pipe system 15 is fed, set and controlled.
- This offers the advantage that To reduce the amount of exhaust gas to the afterburning device 41 and so there Save fuel costs.
- the energy supply for Post-combustion device 41 depends directly on the one supplied to it Exhaust gas volume flow from.
- Another significant advantage of the present invention is to reduce the fuel consumption of the burner unit 14 because the remaining volume flow of exhaust gas, not the Afterburning device 41 is supplied to the process air burner 14 becomes.
- the length of the first pipe section 15.1 allows the complete Combustion of solvents still contained in the exhaust gas in the first Pipe section 15.1. This is how the energy still inherent in the solvents can be use as an energy source for the dryer. Since the burner unit is is a process air burner, this can be with a superstoichiometric Air ratio of ⁇ > 1 are operated.
- Fig. 3 shows a dryer with a heating zone above and below the web.
- a process air burner 14 is one on either side Material web 2 is recorded in a first pipe section 15.1.
- the Circulating air fans 10, 11 are each heated with hot gas from the pipe section 15.1 provided.
- the circulating air fans 10, 11 supply the nozzle sections 12 and 13 each with the recirculation gas mixture.
- fans 26 are arranged to exhaust gas Nachverbrennuns owned 41 or the process air burner 14, respectively controlled by an actuatable control element 27, 27.1, as already in 1 explained in connection.
- the control of the control units 27.1 for the Actuating element 27 can be operated by a temperature sensor 35 - for example, Infrared sensor - or by thermocouples 38, 39, which are in the first Zone 7 of the dryer are arranged.
- Thermocouples 33, 34 can be provided to control the temperature of the Process gas to measure and control an actuator 32, the energy supply regulates to process air burner 14.
- thermocouples 33, 34 measure the temperatures at the end of the first pipe section 15.1.
- a shortened dryer comprises a heating zone 7 and a cooling zone 9.
- the solvents evaporating zone 8, as shown in the following Fig. 5, is omitted. Consequently, the function of the solvent vaporizing zone 8 is additionally of heating zone 7
- An actuatable control element 27, obtained as a three-way valve, is operated via an actuator 27.1 controls the recirculation of exhaust gas to Pipe system 15.
- the actuating unit 27.1 of the actuatable actuating element 27 either depending on the temperature or measured by an infrared sensor 35 depending on thermocouples 38 or 39 arranged in the first zone 7 be controlled. Since the housing 6 of the dryer 1 because of the missing second zone 8 is significantly shorter, the pipe system 15 consists of only two Sections, a first burner section 15.1 and a further section 15.2.
- FIG. 5 shows a dryer with a first and a second zone in front of one Cooling zone in the dryer housing. Inside the dryer 1 Surfaces of a web of material 2 dried by heating the web and the solvents are evaporated within the housing 6.
- the housing 6 comprises an inlet opening 4 and an outlet opening 5 for the material web 2, the moves in the direction of web travel 3, as indicated by the arrow in fig. 4 already indicated.
- Heated gas is supplied from the pipe system 15 in a transition area from the first slides to the second pipe section 15.1, 15.2 to the first zone and to the first Air circulation fans 10 and 11.
- the second zone 8 shown in FIG. h .. the Solvent evaporating zone is with second air circulation fans 16, 17 equipped with heated gas from a transition area between the second pipe section 15.2 and the third pipe section 15.3 is fed. Heated Gas is fed to nozzle sections 18 and 19, which guide the material web 2, without touching it.
- heated gas from the pipe system 15 to Cooling zone 9 passed, where it emerges at the end of the third pipe section 15.3.
- the Cooling zone 9 is equipped with circulating air fans 20, 21, which the Supply nozzle sections 22, 23 of the cooling zone 9 with heated gas.
- openings 24 are provided in the housing, which with the help of Circulating air fans 20, 21 allow the entry of fresh air, as indicated by the arrows indicated in Fig. 5.
- Heated gas from the pipe system 15 is through the air circulation fans 10, 11; 16, 17; and 20, 21 recirculated.
- the raw system 15 comprises, as already described Pipe sections 15. 1, 15 .2 and 15.3, which are each connected in series. This allow easy and reliable heat transfer over the entire Length of the dryer 1. In this way, the formation of pockets with can significantly reduce high or low temperature levels, moreover due to the longer residence time of the combustion mixture in the pipe system Temperature level can be lowered. Except for the air circulation fans in zone 7 there is a further fan 26 provided with an exhaust pipe 28 and a pipe system 15 receiving the process air burner 14 is connected.
- the exhaust gas can either be directly into the exhaust pipe 28 by means of the fan 26 Afterburning device 41 or by the raw system 15 the Process air burners 14 are supplied as process gas.
- the amount of the recirculated Exhaust gas from zone 7 depends on the position of the actuatable actuating element 27 from which as a three-way valve between the exhaust pipe 28 and the Pipe system 15 acts.
- the heated gas is fed to the first zone 7, the heating zone, the upper ones and lower fans 10, 11 the material web 2 before the evaporation of Heat up solvents accordingly. Consequently, with the fan 26 in the Zone 7 exhaust gas are passed to process air burner 14.
- the heated gas from the upper and lower air circulation fans 10, 11 of the is fed to the first zone 7, the material web 2 heats up, this heated gas is not loaded with solvents. Thanks to the longer dwell time of the Process gas in the first pipe section 15.1 completely burned. Consequently, that can heated gas easily to process air burners 14, the upper and lower Pipe systems 15 can be included, can be recirculated.
- the actuating unit 27.1 for the actuatable actuating element 27 is with a Infrared sensor 35 connected, which measures the temperature in the housing 6. If the measured temperature exceeds a certain threshold, this opens actuatable actuator 27, the exhaust pipe 28 a little more, so that the Pipe system 15 directed recirculated exhaust gas flow is reduced. Registered the Temperature sensor 35, however, is a temperature that is below the certain threshold lies, the actuatable control element 27 is exactly in that shown in Fig. 4 Position moved. In this case, the temperature of the heated gas in the Pipe system 15, d. H. in the first pipe section 15.1 by a thermocouple 33 be measured. The thermocouple 33 measures the temperature of the heated gas at the end of the first pipe section 15.1. Depending on the measured value of the Temperature, an actuating unit 32 can be activated in order to control a valve 31, what in the power supply line 30 from the power supply 29 to the burner unit 14 is provided.
- the burner unit 14 is a pair of pressure transmitters 36 assigned, which measure the pressure prevailing before and after combustion.
- a further pressure transmitter 37 is located within the first zone 7 of the exhaust gas fan 26 assigned.
- there are 2 more on both sides of the material web Thermocouples 38 and 39 are provided. The temperatures by these Thermocouples 38, 39 are used to control the Actuating unit 27. 1 for the actuatable actuating element 27 to its position influence.
- This arrangement provides an alternative to controlling the actuatable control element 27 via an infrared sensor 35.
- Zone 17 fans 17, 21, e.g. H. the solvent evaporating zone, and the cooling zone 9 be equipped with thermocouples in order to find out about the to provide process control spanning the entire length of the dryer.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
- Fig.1
- ein schematisch dargestelltes Trocknerkonzept gemäß der vorliegenden Erfindung,
- Fig. 2
- eine vereinfachte Darstellung des Trockners,
- Fig. 3
- einen Trockner mit beiderseits der Materialbahn sich erstreckender Heizzone, jedoch ohne Kühlzone,
- Fig. 4
- einen detaillierten Längsschnitt durch einen Trockner mit erster und zweiter Zone gemäß der vorliegenden Erfindung und
- Fig. 5
- einen Längsschnitt durch einen Trockner mit erster Zone und Kühlzone.
- 1
- Trockner
- 2
- Materialbahn
- 3
- Bahnlaufrichtung
- 4
- Einlaßöffnung
- 5
- Auslaßöffnung
- 6
- Trocknergehäuse
- 7
- erste Zone (Heizzone)
- 8
- zweite Zone ( Verdampfungszone )
- 9
- Kühlzone
- 10
- erster obere Ventilator
- 11
- erster unterer Ventilator
- 12
- Düsensektion
- 13
- Düsensektion
- 14
- Brennereinheit
- 15
- Rohrsystem
- 15.1
- erste Rohrsektion
- 15.2
- zweite Rohrsektion (Transport)
- 15.3
- dritte Rohrsektion (Transport)
- 16
- zweiter oberer Ventilator
- 17
- zweiter unterer Ventilator
- 18
- Düsensektion
- 19
- Düsensektion
- 20
- oberer Ventilator Kühlzone
- 21
- unterer Ventilator Kühlzone
- 22
- Düsensektion
- 23
- Düsensektion
- 24
- Öffnung zur Atmosphäre
- 25
- Frischluft
- 26
- Abgasventilator
- 27
- Stellelement
- 28
- Abgasrohr
- 29
- Energieversorgung
- 30
- Versorgungsleitung
- 31
- Ventil
- 32
- Ventil-Stelleinehit
- 33
- Thermoelement
- 34
- Thermoelement
- 35
- Infrarotsensor
- 36
- Druckgeber
- 37
- Druckgeber
- 38
- Thermoelement 1. Zone
- 39
- Thermoelement 2. Zone
- 40
- Druckgeber 1. Zone
- 41
- Nachverbrennungseinrichtung
Claims (18)
- Trockner für Materialbahnen, der einer oder beiden Seiten einer Materialbahn Wärme zuführt, wobei der Trockner ein Gehäuse umfaßt mit einer Einlaßöffnung und einer Auslaßöffnung für Materialbahnen und erhitztes Gas mit mindestens eine Ventilator und mindestens einer Heizeinrichtung erzeugt wird,
dadurch gekennzeichnet,
daß ein großer Teil des Abgases als Prozeßgas für eine Brennereinheit (14, 15.1) genutzt wird, welche gegen die Atmosphäre im Trockner (1) abgeschirmt ist und das Prozeßgas für eine ausreichende Verweilzeit auf einem für die vollständige Verbrennung flüchtiger Lösungsmittel ausreichenden Temperaturniveau gehalten wird, bevor es als erhitztes Gas dem Inneren (6) des Trockners wieder zugeführt wird. - Trockner gemäß Anspruch 1,
dadurch gekennzeichnet,
daß die Brennereinheit (14) ein Prozeßluftbrenner ist. - Trockner gemäß Anspruch 1,
dadurch gekennzeichnet,
daß der Abgasvolumenstrom durch ein betätigbares Stellelement (27, 27.1) gesteuert wird. - Trockner gemäß Anspruch 1,
dadurch gekennzeichnet,
daß der Trockner (1) eine Anzahl Zonen (7, 8, 9) umfaßt. - Trockner gemäß Anspruch 1,
dadurch gekennzeichnet,
daß der Trockner (1) im Gegenstromprinzip betreibbar ist. - Trockner gemäß Anspruch 1,
dadurch gekennzeichnet,
daß der Trockner (1) im Gleichstromprinzip betreibbar ist. - Trockner gemäß Anspruch 3,
dadurch gekennzeichnet,
daß das betätigbare Stellelement (27, 27.1) im Rohrsystem (15) angeordnet ist. - Trockner gemäß Anspruch 3,
dadurch gekennzeichnet,
daß das betätigbare Stellelement (27, 27.1) im Abgasrohr (28) angeordnet ist. - Trockner gemäß der Ansprüche 1 und 2,
dadurch gekennzeichnet,
daß die Wärmeenergie den entsprechenden Zonen (7, 8, 9) des Trockners (1) zugeleitet wird. - Trockner gemäß Anspruch 9,
dadurch gekennzeichnet,
daß die Wärmeenergie mittels eines Rohrsystems (15) verteilt wird. - Trockner gemäß Anspruch 10,
dadurch gekennzeichnet,
daß das Rohrsystem (15) Rohrsektionen (15.1, 15.2, 15.3) umfaßt, deren jeweiliger Querschnitt über die Länge des Rohrsystems (15) abnimmt. - Trockner gemäß Anspruch 10,
dadurch gekennzeichnet,
daß erhitztes Gas an einem Übergangsbereich von einer ersten Rohrsektion (15.1) zu einer zweiten Rohrsektion (15.2) ersten Ventilatoren (10, 11) zugeführt wird. - Trockner gemäß Anspruch 10,
dadurch gekennzeichnet,
daß das Rohrsystem (15) den einzelnen Zonen (7, 8, 9) entsprechende Auslaßöffnungen im Rohrsystem (15) aufweist. - Trockner gemäß Anspruch 10,
dadurch gekennzeichnet,
daß daß ein Teil des erhitzten Gases einer Kühlzone (9) zugeführt wird. - Trockner gemäß Anspruch 3,
dadurch gekennzeichnet,
daß das betätigbare Stellelement (27, 27.1)über Temperaturmeßelemente (35; 38, 39) steuerbar ist. - Trockner gemäß Anspruch 15,
dadurch gekennzeichnet,
daß das Temperaturmeßelement (35) die Temperatur der Materialbahn (2) mißt. - Trockner gemäß Anspruch 15,
dadurch gekennzeichnet,
daß die Temperaturmeßelemente (38, 39) in den entsprechenden Zonen (7, 8, 9) des Trockners (1) untergebracht sind. - Trockner gemäß Anspruch 1,
dadurch gekennzeichnet,
daß die die Energiezufuhr zum Trockner (1) steuernden Stelleinheiten von der Temperatur einer der Zonen (7, 8, 9) des Trockners (1) oder von der Temperatur der Materialbahn (2) abhängig geführt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19713529A DE19713529A1 (de) | 1997-04-01 | 1997-04-01 | Trockner für eine Materialbahn mit Abgasezirkulation |
DE19713529 | 1997-04-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0869323A2 true EP0869323A2 (de) | 1998-10-07 |
EP0869323A3 EP0869323A3 (de) | 1999-09-15 |
EP0869323B1 EP0869323B1 (de) | 2003-05-02 |
Family
ID=7825182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98103115A Expired - Lifetime EP0869323B1 (de) | 1997-04-01 | 1998-02-23 | Trockner für eine Materialbahn mit Abgasrezirkulation |
Country Status (3)
Country | Link |
---|---|
US (1) | US6058626A (de) |
EP (1) | EP0869323B1 (de) |
DE (2) | DE19713529A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8046934B2 (en) * | 2006-01-25 | 2011-11-01 | Nv Bekaert Sa | Convective system for a dryer installation |
DE102012002865A1 (de) | 2012-02-11 | 2013-08-14 | Gogas Goch Gmbh & Co. Kg | Verfahren zur energetischen Optimierung des Trocknungsprozesses von mit organisch-lösemittelhaltigen Stoffen behandelten Erzeugnissen |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19918669A1 (de) | 1999-04-23 | 2000-10-26 | Heidelberger Druckmasch Ag | Trockner mit integrierter Kühleinheit |
US6131308A (en) * | 1999-09-10 | 2000-10-17 | Ingenieurgemeinschaft Wsp, Prof. Dr.-Ing C Kramer, Prof. Dipl.-Ing H.J. Gerhardt M.S. | Apparatus for levitational guidance of web material |
DE19948012A1 (de) | 1999-10-06 | 2001-05-03 | Vits Maschinenbau Gmbh | Vorrichtung zum Trocknen von durchlaufenden Bahnen |
US6422219B1 (en) | 2000-11-28 | 2002-07-23 | Detroit Diesel Corporation | Electronic controlled engine exhaust treatment system to reduce NOx emissions |
US6651357B2 (en) * | 2001-01-12 | 2003-11-25 | Megtec Systems, Inc. | Web dryer with fully integrated regenerative heat source and control thereof |
US6431859B1 (en) | 2001-01-12 | 2002-08-13 | North American Manufacturing Company | Combustion gas and air recovery apparatus |
EP1351030A1 (de) * | 2002-04-02 | 2003-10-08 | Solipat Ag | Vorrichtung und Verfahren zum Verfestigen eines Faserverbundes |
CA2721990A1 (en) * | 2009-11-23 | 2011-05-23 | Green Roads Recycling Ltd. | Direct-fired, axial flow, co-current heating system for hot-in-place asphalt recycling |
ITMI20130775A1 (it) * | 2013-05-10 | 2014-11-11 | Novimpianti Drying Technology S R L | Sistema di combustione e metodo per il riscaldamento dell'aria di processo per impianti di asciugatura della carta |
KR102168656B1 (ko) * | 2020-05-22 | 2020-10-21 | 케이씨코트렐 주식회사 | 텐터 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0264637A2 (de) | 1986-10-22 | 1988-04-27 | Hilmar Vits | Durchlauftrockner für Materialbahnen, insbesondere Offset-Trockner |
EP0326227A1 (de) | 1988-01-29 | 1989-08-02 | Stork Contiweb B.V. | Trockner für eine Warenbahn |
EP0723126A1 (de) | 1995-01-18 | 1996-07-24 | W.R. Grace & Co.-Conn. | Steuerung und Anordnung eines kontinuierlichen Prozesses für einen industriellen Trockner |
Family Cites Families (14)
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DE2412446A1 (de) * | 1974-03-15 | 1975-09-18 | Vits Maschinenbau Gmbh | Trockner fuer eine durchlaufende warenbahn |
DE2616347C3 (de) * | 1976-04-14 | 1983-12-01 | Vits-Maschinenbau Gmbh, 4018 Langenfeld | Durchlauftrockner für Warenbahnen |
GB1583199A (en) * | 1977-12-01 | 1981-01-21 | Whiteley Ltd E Gordon | Cloth drying apparatus |
US4474496A (en) * | 1983-01-24 | 1984-10-02 | W. R. Grace & Co. | Compact dryer for two web stretches |
DE3811620A1 (de) * | 1988-04-07 | 1989-10-26 | Vits Maschinenbau Gmbh | Verfahren und vorrichtung zur waermebehandlung und/oder trocknung einer materialbahn im durchlauf |
US5112220A (en) * | 1988-06-07 | 1992-05-12 | W. R. Grace & Co.-Conn. | Air flotation dryer with built-in afterburner |
US4942676A (en) * | 1988-06-07 | 1990-07-24 | W. R. Grace & Co.-Conn. | Control system for air flotation dryer with a built-in afterburner |
US5207008A (en) * | 1988-06-07 | 1993-05-04 | W. R. Grace & Co.-Conn. | Air flotation dryer with built-in afterburner |
US4905381A (en) * | 1988-06-15 | 1990-03-06 | Poterala Robert J | Open top compact dryer oven for a web |
NL8901052A (nl) * | 1989-04-26 | 1990-11-16 | Stork Contiweb | Werkwijze voor het afkoelen van een uit een droger afkomstige materiaalbaan, alsmede een inrichting voor het uitvoeren van deze werkwijze. |
NL9101926A (nl) * | 1991-11-19 | 1993-06-16 | Stork Contiweb | Droger met verbeterde gashuishouding. |
DE4226107A1 (de) * | 1992-08-07 | 1994-02-10 | Vits Maschinenbau Gmbh | Trocknungsanlage |
NL9300199A (nl) * | 1993-02-01 | 1994-09-01 | Stork Contiweb | Droger met verkorte heropstart. |
EP0687877B1 (de) * | 1994-06-15 | 1998-02-04 | Heidelberg Contiweb B.V. | Verfahren zum Verhindern des Auftretens eines Explosivzustandes in einem Gasgemisch |
-
1997
- 1997-04-01 DE DE19713529A patent/DE19713529A1/de not_active Withdrawn
-
1998
- 1998-02-23 DE DE59808119T patent/DE59808119D1/de not_active Expired - Lifetime
- 1998-02-23 EP EP98103115A patent/EP0869323B1/de not_active Expired - Lifetime
- 1998-04-01 US US09/053,437 patent/US6058626A/en not_active Expired - Fee Related
Patent Citations (3)
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EP0264637A2 (de) | 1986-10-22 | 1988-04-27 | Hilmar Vits | Durchlauftrockner für Materialbahnen, insbesondere Offset-Trockner |
EP0326227A1 (de) | 1988-01-29 | 1989-08-02 | Stork Contiweb B.V. | Trockner für eine Warenbahn |
EP0723126A1 (de) | 1995-01-18 | 1996-07-24 | W.R. Grace & Co.-Conn. | Steuerung und Anordnung eines kontinuierlichen Prozesses für einen industriellen Trockner |
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MEG OPERATING DESCRIPTION SDE, 5 July 1996 (1996-07-05), pages MC10 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US8046934B2 (en) * | 2006-01-25 | 2011-11-01 | Nv Bekaert Sa | Convective system for a dryer installation |
DE102012002865A1 (de) | 2012-02-11 | 2013-08-14 | Gogas Goch Gmbh & Co. Kg | Verfahren zur energetischen Optimierung des Trocknungsprozesses von mit organisch-lösemittelhaltigen Stoffen behandelten Erzeugnissen |
WO2013117637A2 (de) | 2012-02-11 | 2013-08-15 | Technische Universität Bergakademie Freiberg | Verfahren zur trocknung eines mit einem ein lösungsmittel enthaltenden stoff behandelten erzeugnisses |
DE102012002865B4 (de) * | 2012-02-11 | 2021-06-10 | Gogas Goch Gmbh & Co. Kg | Verfahren zur energetischen Optimierung des Trocknungsprozesses von mit organisch-lösemittelhaltigen Stoffen behandelten Erzeugnissen |
Also Published As
Publication number | Publication date |
---|---|
JPH10332264A (ja) | 1998-12-15 |
DE59808119D1 (de) | 2003-06-05 |
US6058626A (en) | 2000-05-09 |
DE19713529A1 (de) | 1998-10-08 |
JP4004632B2 (ja) | 2007-11-07 |
EP0869323A3 (de) | 1999-09-15 |
EP0869323B1 (de) | 2003-05-02 |
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