EP3254042A1 - Procédé permettant un fonctionnement automatisé d'une installation de séchage munie d'une chambre de séchage au moins remplie d'un volume d'air - Google Patents
Procédé permettant un fonctionnement automatisé d'une installation de séchage munie d'une chambre de séchage au moins remplie d'un volume d'airInfo
- Publication number
- EP3254042A1 EP3254042A1 EP16702927.1A EP16702927A EP3254042A1 EP 3254042 A1 EP3254042 A1 EP 3254042A1 EP 16702927 A EP16702927 A EP 16702927A EP 3254042 A1 EP3254042 A1 EP 3254042A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drying
- control unit
- air volume
- value
- exhaust
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
Definitions
- the invention relates to a method for automated operation of a
- Drying plant with a drying space filled at least with an air volume according to the preamble of claim 1.
- Drying machine for running Garnbannen known, wherein an elongated in the direction of the yarn path drying chamber, which is bounded by a box-shaped frame, is provided. A connection of an air suction line lying above in the direction of flow is connected at one end to the drying chamber. An upstream connection of a suction device to draw air out of the system is connected to the air suction line.
- Suction line and its underlying connection is connected to the opposite end of the drying chamber.
- a device for controlling the supply of thermal energy into the drying chamber depending on the running state of the drying machine Furthermore, a device for controlling said elements in a predetermined time sequence is provided.
- the invention is based on the object, a method for automated operation of a drying plant with a filled at least with an air volume
- Drying space to create in which a consumption of particular electrical energy is minimized taking into account regulations of explosion protection.
- the achievable with the present invention consist in particular in that the automated operation of the drying plant whose consumption of electrical energy in particular is minimized taking into account regulations of explosion protection.
- the gas consumption used for drying the material to be dried is minimized.
- the proposed solution leads to a
- Drying process fully automated comparatively fast, d. H. can be put back into production in a shorter time than in actions performed by an operator, which improves the economics of such a drying plant.
- the single figure shows an example schematically and simplifies a drying system 01, as z. B. in industrial process technology for drying a
- Drying material 03 in particular with the aid of air, flue gas or an inert gas such. As nitrogen or a noble gas is used.
- This drying unit 01 points at least one drying space 02, wherein said drying space 02, which is surrounded by a few openings and is at least filled with a certain amount of air, ie the so-called air volume.
- a drying material 03 loaded with a solvent is fed to this drying space 02 of the drying installation 01 in a preferably continuous movement.
- drying material 03 preferably cans of a metallic material are used, for.
- the solvent is at least partially released in the drying room 02.
- the solvent comes z. B. from the paint, with the drying material 03 has been previously treated.
- the drying material 03 is preferably conveyed into the drying room 02 by means of a conveyor 02 passing through the drying space 02 in a transport direction T, and then conveyed out of the drying room 02 again after the drying process, wherein the conveyor 04 eg. B. is designed as a conveyor belt.
- the cans 03 forming the cans are arranged on or on this conveyor belt, in particular strung together. These cans are z. B. treated inside and / or outside with a solvent-containing paint.
- the drying plant 01 is z. B. formed as a belt dryer.
- the drying material 03 is dried during its passage through the drying room 02 in direct contact with a introduced into the drying room 02 by a heated to a process temperature flowing gas, wherein a z. B.
- this drying material 03 drying gas z. B. is hot air and from
- Heating element 06 is heated directly or indirectly.
- the process temperature is the temperature at which the drying material 03 dries optimally, ie also as quickly as possible, without being damaged by the supplied heat.
- the heating element 06 is z. B. as a burner, in particular as a gas burner.
- a process temperature of z. B. about 180 ° C to 200 ° C, said gas from an initial temperature of z. B. 20 ° C to 25 ° C is heated to the process temperature.
- In the drying room 02 is in connection with the heating element 06 z. B. a
- Constructed air circulation system in which at least one arranged in the drying room 02 recirculation fan 09 circulating air in the drying room 02. During its drying, the drying material 03 at least partially transfers its solvent load into the drying space 02, d. H. z. B. from the circulating air. To prevent yourself in the
- Drying 02 due to the introduced solvent load forms a flammable or even explosive gas mixture
- the drying room 02 at least one exhaust duct 07 with at least one exhaust fan 08, wherein the at least one exhaust fan 08 in the drying room 02 the drying material 03 flowing around gas together with the discharged from the drying material 03 in the drying room 02 solvent load and the volume of air originally located in the drying space 02 as a volume of exhaust air out of this drying space 02, wherein the term "exhaust volume” that amount or total amount of air originally present in the drying room 02 and / or at the
- Drying space 02 optionally gas entered and / or on in the
- Drying space 02 called evaporated solvent, currently in the
- Drying 02 of the drying plant 01 is located and to avoid a risk through the at least one exhaust duct 07 from the drying room 02
- the air volume conveyed out of the drying space 02 is replaced by a supply air volume supplied to the drying space 02 via a supply air channel 11, wherein, for the supply air z. B. in particular oxygen-rich fresh air z. B. from a surrounding area of the drying plant 01 or from an outdoor area.
- the supply of the supply air volume in the drying room 02 is z. B. by means of a formed in the drying space 02 negative pressure, this vacuum z. B. by a circulation of the in the
- control unit 12 For automated operation of the drying system 01 a preferably electronic, in particular programmable control unit 12 is provided, said control unit 12 in particular for producing a stable as possible
- the heating element 06 heating the gas at least with regard to the process temperature and / or the at least one exhaust fan 08 at least with respect to the outgoing from the drying room 02 exhaust air volume and / or the at least one circulating air fan 09 in terms of him in the
- Drying room 02 caused air circulation respectively regulates.
- the process temperature of the gas heated by the heating element 06 and / or the exhaust air volume conveyed out of the drying space 02 by the at least one exhaust fan 08 and / or the at least one circulating air fan 09 are respectively monitored by sensors connected to the control unit 12.
- the control unit 12 sets at least the exhaust air volume to be conveyed out of the drying space 02 by the at least one exhaust fan 08 to a first value suitable for the intended drying process, wherein the control unit 12 z. B. from a production planning system 14 receives appropriate information about the intended drying process, in particular also on whether the drying room 02 to be supplied drying material 03 in a drying plant 01 upstream production plant is currently in production or in one of
- Drying 01 upstream processing plant is currently in progress or not.
- the control unit 12 sets the exhaust air from the at least one exhaust fan 08
- the rinsing time is one in the
- Control unit 12 z. B preset in a program or at least presettable duration, which is required to convey out in the drying room 02 air volume, in particular transported with the introduced from 03 Trocknungsgut solvent air volume from the drying room 02 and optionally replace the supplied to the drying room 02 supply air volume so that a concentration of an optionally easily flammable or even explosive gas mixture present in the drying space 02 reliably remains below a value prescribed for the operation of the drying plant 01.
- a concentration of an optionally easily flammable or even explosive gas mixture present in the drying space 02 reliably remains below a value prescribed for the operation of the drying plant 01.
- volume exchange z. B. with about 1000 to 1500 m 3 / h.
- the rinsing time is z. B. 5 to 10 minutes.
- the control unit 12 After the expiration of the purge time, the control unit 12 provides that of the at least one exhaust fan 08 to be conveyed out of the drying room 02
- control unit 12 starts z. B. by an operation of the conveyor 04 driving drive 13 the passage of the material to be dried
- the control unit 12 checks in a further operating situation of this drying installation 01, namely at an interruption in a feed of the drying material 03 to the drying room 02, wherein this interruption z. B. may also be the result of a production change, within one of a scheduled cycle time of the drying material 03 by the drying space 02 dependent time interval, whether the supply of the drying material 03 to the drying room 02 is continued, this time interval starts to run at the time in which the control unit 12 detects the interruption in the supply of the drying material 03 to the drying room 02.
- the control unit 12 lowers at an interruption in the feed of the drying material 03 to the drying room 02 within a time interval dependent on the scheduled cycle time of the drying material 03 through the drying space 02 at least the exhaust air volume conveyed by the at least one exhaust fan 08 out of the drying room 02 of one for the current Drying process suitable first value to a lower compared to its first value second value, if the supply of the material to be dried remains interrupted until the expiration of the time interval in which the control unit checks whether the supply of the material to be dried is continued to the drying room.
- control unit 12 preferably lowers the process temperature controlled by it, which is heated by the gas heating element 06 in the drying space 02, from a first value suitable for the current drying process to a second value which is lower than its first value, the control unit 12 for the gas to be heated by the heating element 06 as its first value
- Process temperature z. B. from about 180 ° C to 200 ° C sets. Also finished the
- Control unit 12 with the achievement of the second value of the process temperature in particular the supply of the material to be dried 03 to the drying room 02 by the control unit 12 z.
- B. the conveyor 04 driving drive 13 is actuated.
- control unit 12 raises both regulated by her, from the gas heating the heating element 06 in the
- Drying space 02 generated process temperature of the relatively lower second value to the appropriate for the ongoing drying process first value as well as the achievement of the first value of the process temperature at least that of the at least one exhaust fan 08 from the drying room 02
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015202162.9A DE102015202162B4 (de) | 2015-02-06 | 2015-02-06 | Verfahren zum automatisierten Betreiben einer Trocknungsanlage mit einem zumindest mit einem Luftvolumen gefüllten Trocknungsraum |
PCT/EP2016/052346 WO2016124671A1 (fr) | 2015-02-06 | 2016-02-04 | Procédé permettant un fonctionnement automatisé d'une installation de séchage munie d'une chambre de séchage au moins remplie d'un volume d'air |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3254042A1 true EP3254042A1 (fr) | 2017-12-13 |
EP3254042B1 EP3254042B1 (fr) | 2019-01-23 |
Family
ID=55300503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16702927.1A Not-in-force EP3254042B1 (fr) | 2015-02-06 | 2016-02-04 | Méthode pour l'opération automatique d'une centrale de séchage avec une chambre remplie au moins d'un volume d'air |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3254042B1 (fr) |
DE (1) | DE102015202162B4 (fr) |
WO (1) | WO2016124671A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017117682A1 (de) * | 2017-08-03 | 2019-02-07 | Eisenmann Se | Ventilatoreinrichtung, Konditioniervorrichtung und Behandlungsanlage mit einer solchen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE857925C (de) * | 1949-01-04 | 1952-12-04 | Hartwig G Dipl-Ing Berge | Verfahren zum Trocknen von vorwiegend lackierten Blechdosenruempfen |
US3228113A (en) * | 1960-08-18 | 1966-01-11 | John J Fannon Products Co | Heating apparatus and method |
JPS51143743A (en) * | 1975-06-06 | 1976-12-10 | Tsudakoma Ind Co Ltd | Temperature control device for running thread dryer |
DE3205962A1 (de) * | 1982-02-19 | 1983-09-01 | Fleißner GmbH & Co, Maschinenfabrik, 6073 Egelsbach | Waermebehandlungskanal |
US4475293A (en) * | 1982-04-28 | 1984-10-09 | The Boc Group, Inc. | Controlled inerting of chamber atmospheres |
JP3351715B2 (ja) * | 1997-08-26 | 2002-12-03 | 株式会社河合楽器製作所 | 乾燥装置 |
CA2329795C (fr) * | 1998-05-07 | 2004-07-13 | Megtec Systems, Inc. | Secheur de bande continue equipe d'une source de chaleur a regeneration entierement integree |
GB2452071A (en) * | 2007-08-24 | 2009-02-25 | Willacy Oil Services Ltd | An apparatus for treating sediment |
DE102013206268B3 (de) * | 2013-04-10 | 2014-05-22 | Kba-Metalprint Gmbh | Bandtrockner mit einem Trocknungsraum |
-
2015
- 2015-02-06 DE DE102015202162.9A patent/DE102015202162B4/de not_active Expired - Fee Related
-
2016
- 2016-02-04 EP EP16702927.1A patent/EP3254042B1/fr not_active Not-in-force
- 2016-02-04 WO PCT/EP2016/052346 patent/WO2016124671A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3254042B1 (fr) | 2019-01-23 |
WO2016124671A1 (fr) | 2016-08-11 |
DE102015202162A1 (de) | 2016-08-11 |
DE102015202162B4 (de) | 2016-09-29 |
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