EP1505200A1 - Vorrichtung zur Führung einer laufenden Faserstoffbahn - Google Patents
Vorrichtung zur Führung einer laufenden Faserstoffbahn Download PDFInfo
- Publication number
- EP1505200A1 EP1505200A1 EP04103164A EP04103164A EP1505200A1 EP 1505200 A1 EP1505200 A1 EP 1505200A1 EP 04103164 A EP04103164 A EP 04103164A EP 04103164 A EP04103164 A EP 04103164A EP 1505200 A1 EP1505200 A1 EP 1505200A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- fibrous web
- pulleys
- web
- nozzle
- 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 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000013228 contact guidance Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 1
- 230000002459 sustained effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/18—Drying webs by hot air
- D21F5/185—Supporting webs in hot air dryers
- D21F5/187—Supporting webs in hot air dryers by air jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/36—Guiding mechanisms
- D21F1/42—Jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/517—Drying material
Definitions
- the invention relates to a device according to the preamble of claim 1.
- a fibrous web in particular a paper or board web, is becoming current for economic reasons in ever greater breadth, often 10m or more may be manufactured. This happens at high machine speeds.
- the fibrous web in particular for the purpose of better Printability often coated with coating color, starch or glue. It should be one, over the entire web width reaching uniform order, as well as a safe and especially in a moist fibrous web contactless web guide be possible to prevent web breaks, but at least be able to reduce.
- the object of the invention is achieved in that at least one front end of the nozzle beam means for catching and discharging is provided by laden with water vapor in the transverse direction of the outflowing air.
- the invention can be suitably configured by the device Guide plate and / or a channel with lateral inlet openings, through which the discharged interfering air layer in the interior or a suction of the Nozzle bar or the entire device is passed.
- these components are at both ends of the nozzle bar, So on leader and drive side of the machine arranged.
- An alternative to this may be that a separate blower for Extraction of the water vapor-laden air is present.
- the pulleys with a High temperature resistant bearings or bearings equipped with oil circulation lubrication be.
- a further advantageous solution is that the at least one baffle and / or the channel for the Qerströmungs Kunststoff to be withdrawn with a heat and / or sound-insulating lining are provided.
- a sound-insulating Lining or a corresponding coat is also useful in the cooling channel.
- the device according to the invention can also be achieved in a relatively simple manner subsequently in already existing web guiding and drying devices install and ensure high work safety and workplace conditions.
- Figure 1 is a front end of a device 1 for guiding, deflection and Drying a running, moist fibrous web 2 shown.
- the other, not shown end of the device is - except for later described pulleys and associated cooling channel - constructed identical and therefore omitted in the figure.
- the device 1 is in machines for the production and / or finishing of Fiber web 2 integrated. It is used in particular in cases where the Fibrous web 2 painted on one side and thus against contact is sensitive. In length, the device is adapted to the width of the web.
- nozzle openings 4 Several forming the device 1, acted upon with blown air, elongated, hollow and box-like nozzle bar 3, have a number of nozzle openings 4. From these nozzle openings 4, the blowing air, which may be hot for the purpose of drying the fibrous web or its applied coating up to 450 ° C (otherwise sufficient for the mere guidance of the web only 20 ° C), issued in the direction of the fibrous web 2 and forms a pressure pad 5 for non-contact guidance of the moist and therefore tending to tearing fibrous web 2 from.
- the heated air is charged by its contact with the humid Fiber web 2 with water vapor.
- the overpressure or the pressure pad 5 creates a cross-flow Q, which causes the loaded with water vapor Air escapes into the environment of the device. But this should be prevented.
- the device 6 comprises a baffle 7 or a channel 7a with lateral Inlet openings 8.
- the inlet openings 8 are in a preferred Variant with a suction chamber 9 below the nozzle bar 3 in Connection.
- blower 10 for the extraction of to arrange air Q laden with water vapor.
- the discharge device 6 in addition to the leader of the Machine equipped with a channel 12. With the help of this channel 12 cooling air 13 can the existing hot running pulleys or pulley bearings are steered.
- pulleys 11 a High temperature resistant bearing or bearing with oil circulation lubrication exhibit.
- thermal and acoustic insulation may be the baffle 7 and the channel 7a with a heat and / or sound insulating lining Mistake. The latter is also possible for the cooling channel 12.
Landscapes
- Paper (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Aus diesen Düsenöffnungen 4 wird die Blasluft, die zum Zwecke der Trocknung der Faserstoffbahn oder deren aufgebrachter Beschichtung bis zu 450°C heiß sein kann (ansonsten reichen zur bloßen Führung der Bahn auch nur 20°C aus), in Richtung der Faserstoffbahn 2 abgegeben und bildet dabei ein Druckpolster 5 zur berührungslosen Führung der feuchten und daher zum Abreißen neigenden Faserstoffbahn 2 aus.
Claims (7)
dadurch gekennzeichnet, dass
an wenigstens einem stirnseitigen Ende (3.1) des Düsenbalkens (3) eine Einrichtung (6) zum Auffangen und Abführen von mit Wasserdampf beladener quer abströmender Luft (Q) vorgesehen ist.
dadurch gekennzeichnet, dass
die Einrichtung (6) ein Leitblech (7) und/oder einen Kanal (7a) mit seitlichen Einströmöffnungen (8) aufweist, die mit einem Saugraum (9) des Düsenbalkens (3) in Verbindung stehen.
dadurch gekennzeichnet, dass
ein separates Gebläse (10) zur Absaugung der mit Wasserdampf beladenen Luft vorhanden ist.
dadurch gekennzeichnet, dass
an einem stirnseitigen Ende des Düsenbalkens (3.1) abschwenkbare Seilrollen (11) zur Aufführung eines von der Faserstoffbahn (2) abgetrennten Aufführungsstreifens angebracht sind.
dadurch gekennzeichnet, dass
die Einrichtung (6) zusätzlich einen Kanal (12) aufweist zur Zuführung von Kühlluft (13) an die vorhandenen Seilrollen (11).
dadurch gekennzeichnet, dass
die Seilrollen (11) hochtemperaturbeständige Lager und/ oder Lager mit einer Ölumlaufschmierung aufweisen.
dadurch gekennzeichnet, dass
das Leitblech (7) und/oder der Kanal (7a) mit einer Wärme- und/oder Schalldämmenden Auskleidung versehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10335580 | 2003-07-31 | ||
DE10335580A DE10335580A1 (de) | 2003-07-31 | 2003-07-31 | Vorrichtung zur Führung einer laufenden Faserstoffbahn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1505200A1 true EP1505200A1 (de) | 2005-02-09 |
EP1505200B1 EP1505200B1 (de) | 2009-07-01 |
Family
ID=33547061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04103164A Expired - Lifetime EP1505200B1 (de) | 2003-07-31 | 2004-07-05 | Vorrichtung zur Führung und Trocknung einer laufenden Faserstoffbahn |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1505200B1 (de) |
AT (1) | ATE435330T1 (de) |
DE (2) | DE10335580A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115854678A (zh) * | 2023-02-27 | 2023-03-28 | 山东华燚工程技术有限公司 | 一种高效干燥氢氧化锂的旋转干燥炉及干燥系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848820A (en) * | 1952-10-08 | 1958-08-26 | Svenska Flaektfabriken Ab | Method and apparatus for supporting and conveying web-like material |
US4021931A (en) * | 1975-11-21 | 1977-05-10 | Midland-Ross Corporation | Air circulating apparatus for floating material in web form |
EP0643168A1 (de) * | 1993-08-07 | 1995-03-15 | J.M. Voith GmbH | Vorrichtung zum Streichen einer Papierbahn |
DE4334473A1 (de) * | 1993-10-11 | 1995-04-13 | Krieger Gmbh & Co Kg | Vorrichtung zum Schwebendführen einer laufenden Bahn |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI42500B (de) * | 1965-12-01 | 1970-04-30 | Valmet Oy | |
SE322408B (de) * | 1966-06-14 | 1970-04-06 | Svenska Flaektfabriken Ab | |
FI894515A (fi) * | 1989-09-25 | 1991-03-26 | Valmet Paper Machinery Inc | Foerfarande och anordning foer styrning av en pappersbana pao en belaeggningsmaskin. |
US7040038B1 (en) * | 1998-09-02 | 2006-05-09 | Metso Paper Usa, Inc. | Apparatus for processing permeable or semi-permeable webs |
-
2003
- 2003-07-31 DE DE10335580A patent/DE10335580A1/de not_active Withdrawn
-
2004
- 2004-07-05 EP EP04103164A patent/EP1505200B1/de not_active Expired - Lifetime
- 2004-07-05 AT AT04103164T patent/ATE435330T1/de active
- 2004-07-05 DE DE502004009684T patent/DE502004009684D1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848820A (en) * | 1952-10-08 | 1958-08-26 | Svenska Flaektfabriken Ab | Method and apparatus for supporting and conveying web-like material |
US4021931A (en) * | 1975-11-21 | 1977-05-10 | Midland-Ross Corporation | Air circulating apparatus for floating material in web form |
EP0643168A1 (de) * | 1993-08-07 | 1995-03-15 | J.M. Voith GmbH | Vorrichtung zum Streichen einer Papierbahn |
DE4334473A1 (de) * | 1993-10-11 | 1995-04-13 | Krieger Gmbh & Co Kg | Vorrichtung zum Schwebendführen einer laufenden Bahn |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115854678A (zh) * | 2023-02-27 | 2023-03-28 | 山东华燚工程技术有限公司 | 一种高效干燥氢氧化锂的旋转干燥炉及干燥系统 |
CN115854678B (zh) * | 2023-02-27 | 2023-04-28 | 山东华燚工程技术有限公司 | 一种干燥氢氧化锂的旋转干燥炉及干燥系统 |
Also Published As
Publication number | Publication date |
---|---|
EP1505200B1 (de) | 2009-07-01 |
DE502004009684D1 (de) | 2009-08-13 |
DE10335580A1 (de) | 2005-02-24 |
ATE435330T1 (de) | 2009-07-15 |
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