EP1101074A1 - Dryer and method for drying continuously conveyed products - Google Patents
Dryer and method for drying continuously conveyed productsInfo
- Publication number
- EP1101074A1 EP1101074A1 EP00936780A EP00936780A EP1101074A1 EP 1101074 A1 EP1101074 A1 EP 1101074A1 EP 00936780 A EP00936780 A EP 00936780A EP 00936780 A EP00936780 A EP 00936780A EP 1101074 A1 EP1101074 A1 EP 1101074A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dryer
- arrangement
- goods
- dryer arrangement
- drying
- 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
- 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
-
- 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
- F26B13/001—Drying and oxidising yarns, ribbons or the like
Definitions
- the invention relates to a dryer for drying continuously conveyed goods and a method for drying continuously conveyed goods with the features of the preamble of the independent claims.
- dryers are used in a variety of different embodiments for drying threads or fabric webs that have been treated with water or other media.
- heated air streams are used for drying, which evaporate the liquids, for example the water, and remove the water vapor.
- Such dryers are also used for sizing threads. After the size has been applied to the threads, excess water must be removed from the threads in a drying process.
- the productivity of such dryers depends on various parameters. The higher the temperature of the dryer is selected, the higher the drying effect and the faster the system can be operated. However, the temperature cannot be chosen to be arbitrarily high because excessive temperatures would destroy the threads, which often consist of plastic or contain plastic.
- a high dryer performance can also be achieved by simultaneously feeding several threads through the dryer in a group of threads. It is also possible to pass several layers of threads through the dryer. But as soon as too many layers of threads on top of each other there is a risk that threads lying inside the thread sheet will no longer be dried sufficiently.
- the introduction of threads into the dryer by the operating personnel should also be simplified. According to the invention, this object is achieved with a dryer for drying continuously conveyed goods and with a method for stopping or temporarily interrupting drying with the features of the characterizing part of the independent claims.
- the dryer for drying continuously conveyed goods is used in particular for drying a sized sheet of thread.
- the dryer has a first dryer arrangement and a second dryer arrangement, between which a passage for the passage of the goods to be dried is formed.
- the first The dryer arrangement and the second dryer arrangement are designed to be movable with respect to one another such that the passage for carrying the goods through in a stop position of the dryer is larger, ie has a larger cross section than in an operating position.
- the provision of two dryer arrangements allows effective drying of larger thread sheets, since heat acts on the thread sheet from two sides.
- the first and the second dryer arrangement are arranged one above the other and the second dryer arrangement located at the top is designed to be raised. In the event of a plant shutdown, the second dryer arrangement is moved into the
- the dryer arrangements remain essentially parallel to each other.
- the cross section of the passage corresponds approximately to the cross section of the thread sheet to be dried.
- the passage has a larger cross-section in the raised stop position.
- the hot air can escape laterally between the two dryer arrangements.
- a new thread can be easily carried out by the operating personnel from the side of the dryer through the gap formed between the lower edge of the upper dryer and the upper edge of the lower dryer. in this context it is advantageous if the space around the dryer is free of installations, for example supports or the like, so that access to the gap is not made more difficult.
- the dryer arrangements are designed as warm air dryers, in which a warm gas stream can preferably be guided approximately parallel along the goods.
- the dryer can be provided with one or more gas burners for heating the air flow.
- Each dryer arrangement advantageously has several, advantageously two, gas burners.
- the gas burners can be individually regulated. This makes it possible to achieve a homogeneous temperature distribution of the air over the entire width of the dryer.
- the heating of the air flow by means of steam or thermal oil heating coils is also conceivable.
- the passage between the first and the second dryer arrangement is sealed at the side.
- the side seal prevents heat loss in normal operating conditions.
- a dryer for drying continuously conveyed goods in particular for drying a sized sheet of threads, which has a first and a second dryer arrangement.
- the goods to be dried are carried out between the first and the second dryer arrangement.
- the first dryer arrangement and the second dryer arrangement are designed as warm air dryers, in which a warm gas flow can be guided approximately parallel along the goods. Because drying takes place from two sides of the goods, it is possible to use thicker ones Thread coulters to dry without the risk that the heat will not get to threads lying further inside the coulter. The amount of threads dried at the same time can therefore be increased while the treatment speed remains the same.
- the first and the second dryer arrangement are preferably formed symmetrically to one another with respect to a plane of symmetry.
- the plane of symmetry lies approximately in the middle of the path for the goods to be dried.
- the invention therefore provides for a second, identical dryer arrangement to be provided on the opposite side of the product in a dryer arrangement known per se with a warm air flow parallel to the product.
- a dryer as described above is used in particular.
- the movement of the goods is stopped, for example due to a thread break.
- the first dryer arrangement is moved with respect to the second dryer arrangement in such a way that the passage for the goods formed between the first and the second dryer arrangement is enlarged.
- the second dryer arrangement located above the first dryer arrangement is started up.
- FIG. 1 shows a schematic representation of a system for sizing threads with a dryer according to the invention
- FIG. 2 cross section through a dryer according to the invention in an operating position
- FIG. 3 side view of the dryer arrangements from FIG. 2 in the operating position
- FIG. 4 cross section through the dryer according to FIG. 2 in a stop position
- FIG. 1 side view of the dryer assemblies in the stop position.
- FIG. 1 schematically shows a device for sizing threads, for example weaving warps, which has a dryer 1 with the features of the invention.
- the weaving warp W to be sized is supplied with size in a size application unit 10 and then passed through the dryer 1.
- the dryer 1 consists essentially of two dryer arrangements 2, 3. Between the lower dryer arrangement 2 and the upper dryer arrangement 3, a passage 4 is formed for the goods w to be dried.
- the dryer arrangements 2, 3 are designed as warm air dryers.
- the goods W are acted upon from above and from below with a hot gas stream G which runs approximately parallel to the goods W.
- a cross section through the dryer 1 is shown in FIG.
- a passage 4 with an approximately rectangular cross section is formed between a lower dryer arrangement 2 and an upper dryer arrangement 3.
- the passage 4 serves, for example, to receive a family of warp threads W to be dried.
- the warp threads are arranged in a family with a matrix-shaped cross section.
- the dryer arrangements 2, 3 have side walls 7 which laterally delimit the passage 4.
- the gap 14, which is formed between the lower edge 8 of the side wall 7 of the upper dryer arrangement 3 and the upper edge 9 of the side wall 7 of the lower dryer arrangement 2, is sealed with a sealant 6. Glass fabrics, for example, can be used as the sealant 6.
- the dryer arrangements are provided with gas burners 5.
- Each dryer arrangement 2, 3 has a gas burner 5 on both sides. The air circulating in the dryer arrangements 2, 3 can thus be heated homogeneously.
- the upper dryer arrangement 3 is suspended from a frame 11.
- the frame 11 is supported on lateral supports 13 and can be raised by means of an actuating device (not shown) comprising an electric motor and threaded spindles.
- an actuating device (not shown) comprising an electric motor and threaded spindles.
- the upper dryer 3 In the operating position B (see FIG. 2), the upper dryer 3 is arranged such that the gap 14 between the side walls 7 of the lower dryer arrangement 2 and the upper dryer arrangement 3 is closed.
- FIG. 3 shows the two dryer arrangements 2, 3 according to FIG. 2 in a side view.
- Each dryer arrangement has fans12.
- the fans 12 are arranged in the area of the outlet of the goods W to be dried.
- the fan 12 generates a NEN circulating gas stream G.
- the gas stream G is heated in the gas burners 5 and in the area of the entry of the goods W into the dryer 1 approximately parallel to the goods W in the passage 4.
- the gas flow G is sucked in again by the fans 12 in the area of the outlet W of the goods from the dryer, which results in a circulation.
- the gas stream G is generally a pure air stream containing water vapor. However, it would also be conceivable to supply treatment media to the gas stream for the treatment of the goods W.
- the lower dryer arrangement 2 and the upper dryer arrangement 3 are essentially identical and are symmetrical with respect to a plane of symmetry E lying approximately in the middle of the path for the goods W.
- FIG. 4 shows a cross section of the dryer 1 in the stop position S.
- the passage 4 formed between the lower dryer arrangement 2 and the upper dryer arrangement 3 has a larger cross section in comparison to the operating position B.
- the gap 14 formed between the upper edge 9 of the side wall 7 of the lower dryer arrangement 2 and the lower edge 8 of the side wall 7 of the upper dryer arrangement 3 is no longer closed. Heat H prevailing in the passage 4 can escape through the gap 14, as shown schematically by arrows.
- the upper dryer arrangement 3 is raised by 80 cm.
- the gap 14 is therefore 80 cm.
- the upper dryer arrangement 3 is moved at a speed of 50 mm per second. announce that the stop position is reached after 16 seconds.
- the speed is also variably adjustable.
- FIG. 5 shows the dryer arrangements 2, 3 in side view and in stop position S. After a thread breakage, the goods W can be passed from the side through the gap 14 through the dryer.
- the upper dryer arrangement 3 is preferably raised by a motor in the event of an interruption in operation.
- the start-up can be triggered manually or automatically. Automatic triggering can take place, for example, as a result of a thread break (which can be detected automatically or manually) or also as a result of an excessive temperature.
- the dryer arrangements 2, 3 are also advantageously switched off. This means primarily that the gas burner B and the fans 12 are put out of operation.
- the dryer 1 enables the efficient drying of goods, for example a set of warp threads.
- goods for example a set of warp threads.
- up to 10 v 000 warp yarns are passed through the dryer.
- a gas stream G with a temperature of up to 260 ° C. is passed over the goods W in the dryer.
- the temperature of the gas stream G can be chosen so high because due to the open gap 14 in the stop position S, there is no heat build-up inside the dryer 1.
- Efficient drying can be achieved in a similar manner if a first and a second dryer arrangement in the manner shown in FIG. 3 are used. It is not absolutely necessary to design the first and second dryer arrangements to be mutually movable if suitable precautions are taken to avoid a build-up of heat. For example, flaps that can be opened from the side can facilitate the outflow of the hot gas flow G in the event of an interruption in operation and enable lateral access to the goods W.
- Corresponding flaps can be operated automatically or by hand.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00936780A EP1101074B1 (en) | 1999-05-28 | 2000-05-19 | Dryer and method for drying continuously conveyed products |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99201682 | 1999-05-28 | ||
EP99201682A EP1055895A1 (en) | 1999-05-28 | 1999-05-28 | Dryer and process for drying continuously advanced material |
PCT/EP2000/004657 WO2000073720A1 (en) | 1999-05-28 | 2000-05-19 | Dryer and method for drying continuously conveyed products |
EP00936780A EP1101074B1 (en) | 1999-05-28 | 2000-05-19 | Dryer and method for drying continuously conveyed products |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1101074A1 true EP1101074A1 (en) | 2001-05-23 |
EP1101074B1 EP1101074B1 (en) | 2005-11-16 |
Family
ID=8240243
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99201682A Withdrawn EP1055895A1 (en) | 1999-05-28 | 1999-05-28 | Dryer and process for drying continuously advanced material |
EP00936780A Expired - Lifetime EP1101074B1 (en) | 1999-05-28 | 2000-05-19 | Dryer and method for drying continuously conveyed products |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99201682A Withdrawn EP1055895A1 (en) | 1999-05-28 | 1999-05-28 | Dryer and process for drying continuously advanced material |
Country Status (10)
Country | Link |
---|---|
US (1) | US6557268B1 (en) |
EP (2) | EP1055895A1 (en) |
JP (1) | JP2003532855A (en) |
KR (1) | KR20010079573A (en) |
AU (1) | AU5215400A (en) |
BR (1) | BR0006157A (en) |
CZ (1) | CZ2001324A3 (en) |
DE (1) | DE50011621D1 (en) |
ES (1) | ES2253229T3 (en) |
WO (1) | WO2000073720A1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1445563A3 (en) * | 2003-01-14 | 2006-12-20 | Mantec Engineering S.r.l. | Tunnel and support for a printing and/or coupling machine |
DE102004056404B4 (en) | 2004-11-23 | 2019-05-09 | Dürr Systems Ag | dryer |
DE202004021146U1 (en) | 2004-12-22 | 2006-12-21 | Dürr Systems GmbH | Electrodip coating plant comprises current control units that move through the plant together with the workpieces and provide an output voltage for the workpieces |
DE102006030334A1 (en) * | 2006-06-30 | 2008-01-03 | Dürr Systems GmbH | Dryer module for dryer for coating system, especially for vehicle bodies, has dryer floor section joined to boundary wall section so as to be pivotable relative to dryer ceiling section |
DE102006055297A1 (en) | 2006-11-23 | 2008-05-29 | Dürr Systems GmbH | Workpiece carrier for conveying a workpiece to be painted |
KR100923969B1 (en) * | 2008-03-03 | 2009-11-25 | (유)대도 | Pasture Dryer |
DE102010063260A1 (en) * | 2010-12-16 | 2012-06-21 | Dürr Systems GmbH | Kit for a dryer section of a dryer and method of making a dryer section of a dryer |
DE102011005266A1 (en) * | 2011-03-09 | 2012-09-13 | Voith Patent Gmbh | contraption |
US10240867B2 (en) | 2012-02-01 | 2019-03-26 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
US9644891B2 (en) | 2012-02-01 | 2017-05-09 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
US10690413B2 (en) | 2012-02-01 | 2020-06-23 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
US10876792B2 (en) | 2012-02-01 | 2020-12-29 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
IN2014DN06535A (en) | 2012-02-01 | 2015-06-12 | Revive Electronics Llc | |
US11713924B2 (en) | 2012-02-01 | 2023-08-01 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
US9513053B2 (en) | 2013-03-14 | 2016-12-06 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
US9970708B2 (en) | 2012-02-01 | 2018-05-15 | Revive Electronics, LLC | Methods and apparatuses for drying electronic devices |
US9488565B2 (en) | 2012-11-14 | 2016-11-08 | Revive Electronics, LLC | Method and apparatus for detecting moisture in portable electronic devices |
EP3238309A4 (en) | 2014-12-23 | 2019-01-02 | Revive Electronics LLC | Apparatuses and methods for controlling power to electronic devices |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
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US2038457A (en) * | 1932-12-23 | 1936-04-21 | Venturini George | Fabric drier |
GB703283A (en) * | 1950-04-25 | 1954-02-03 | Julien Dungler | Improvements in and relating to machines such as machines for drying fabrics and thelike in the form of webs, strips or bands |
US3554502A (en) * | 1968-05-15 | 1971-01-12 | Goodyear Tire & Rubber | Dryer or heater |
US3688354A (en) * | 1970-07-28 | 1972-09-05 | Samcoe Holding Corp | Method of handling and processing open width fabric |
DE2130610A1 (en) * | 1971-06-21 | 1972-12-28 | Famatex Gmbh Fabrik Fuer Texti | Textile width drier - with rapid-action cover |
US3739491A (en) * | 1971-09-22 | 1973-06-19 | Tec Systems | High velocity air web dryer |
IT1014909B (en) * | 1974-06-10 | 1977-04-30 | Montini Prodotti Tessili S A S | PARTICULARLY DRYING SYSTEM FOR FABRICS IN GENERAL |
GB1600980A (en) * | 1977-06-02 | 1981-10-21 | Platt Saco Lowell Ltd | Sizing machines |
US4586268A (en) * | 1982-02-19 | 1986-05-06 | Vepa Aktiengesellschaft | Heat treatment tunnel |
DE3247459C2 (en) * | 1982-12-22 | 1985-11-21 | Lindauer Dornier Gmbh, 8990 Lindau | Device for treating web-like materials with a gaseous medium |
JPS59152387U (en) * | 1983-03-30 | 1984-10-12 | 大阪瓦斯株式会社 | Pre-dryer for fabric processing equipment |
JPH018944Y2 (en) * | 1984-10-26 | 1989-03-10 | ||
US4905381A (en) * | 1988-06-15 | 1990-03-06 | Poterala Robert J | Open top compact dryer oven for a web |
JPH0630298Y2 (en) * | 1988-11-16 | 1994-08-17 | 井上金属工業株式会社 | Drying device for sheet material with standby function and sheet material coating line equipped with this drying device |
JPH06102360B2 (en) * | 1991-05-27 | 1994-12-14 | 株式会社日本製鋼所 | Transverse stretching equipment oven |
US5287637A (en) * | 1992-03-27 | 1994-02-22 | The Dow Chemical Company | Apparatus to dry/heat treat continuous web stock of film |
GB9216334D0 (en) * | 1992-07-31 | 1992-09-16 | Kodak Ltd | Film transport means for use in a film dryer |
IT1285328B1 (en) * | 1996-05-16 | 1998-06-03 | T M T Di Manenti & C Sas | APPARATUS FOR THE SIZING OF ORDER WIRES. |
FI104098B (en) * | 1998-03-31 | 1999-11-15 | Valmet Corp | Method and apparatus for drying a fibrous web |
FI103681B1 (en) * | 1998-06-05 | 1999-08-13 | Tamfelt Oyj Abp | Arrangement for a paper machine drying part |
US6092303A (en) * | 1998-06-05 | 2000-07-25 | Eastman Kodak Company | Apparatus and method for drying photosensitive material using radiant section and an air flow section |
FI103682B (en) * | 1998-06-05 | 1999-08-13 | Tamfelt Oyj Abp | Arrangement for drying section of paper machine |
-
1999
- 1999-05-28 EP EP99201682A patent/EP1055895A1/en not_active Withdrawn
-
2000
- 2000-05-19 EP EP00936780A patent/EP1101074B1/en not_active Expired - Lifetime
- 2000-05-19 BR BR0006157-3A patent/BR0006157A/en not_active IP Right Cessation
- 2000-05-19 JP JP2001500175A patent/JP2003532855A/en active Pending
- 2000-05-19 CZ CZ2001324A patent/CZ2001324A3/en unknown
- 2000-05-19 ES ES00936780T patent/ES2253229T3/en not_active Expired - Lifetime
- 2000-05-19 DE DE50011621T patent/DE50011621D1/en not_active Expired - Fee Related
- 2000-05-19 KR KR1020017001144A patent/KR20010079573A/en not_active Application Discontinuation
- 2000-05-19 US US09/743,793 patent/US6557268B1/en not_active Expired - Fee Related
- 2000-05-19 AU AU52154/00A patent/AU5215400A/en not_active Abandoned
- 2000-05-19 WO PCT/EP2000/004657 patent/WO2000073720A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0073720A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2253229T3 (en) | 2006-06-01 |
KR20010079573A (en) | 2001-08-22 |
AU5215400A (en) | 2000-12-18 |
DE50011621D1 (en) | 2005-12-22 |
EP1101074B1 (en) | 2005-11-16 |
EP1055895A1 (en) | 2000-11-29 |
WO2000073720A1 (en) | 2000-12-07 |
JP2003532855A (en) | 2003-11-05 |
US6557268B1 (en) | 2003-05-06 |
CZ2001324A3 (en) | 2001-12-12 |
BR0006157A (en) | 2001-04-17 |
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