EP1198643A1 - Auftragsvorrichtung - Google Patents
AuftragsvorrichtungInfo
- Publication number
- EP1198643A1 EP1198643A1 EP01955224A EP01955224A EP1198643A1 EP 1198643 A1 EP1198643 A1 EP 1198643A1 EP 01955224 A EP01955224 A EP 01955224A EP 01955224 A EP01955224 A EP 01955224A EP 1198643 A1 EP1198643 A1 EP 1198643A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- web
- sump
- lips
- nozzle body
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
- B05C1/0869—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the work contacting the pool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/40—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper only one side of the paper being in contact with the material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/42—Paper being at least partly surrounded by the material on both sides
Definitions
- the invention relates to a device for applying a liquid medium to a running web, in particular cardboard web, with the features specified in the preamble of claim 1.
- Devices of the generic type serve the purpose of producing, processing or finishing a fibrous web, e.g. made of paper or cardboard to be impregnated and / or coated with a liquid medium.
- Glue, starch or a pigment suspension or dispersion is used as the application medium.
- This treatment of the web is intended to change and improve certain properties of the web.
- a so-called size press is described in Voith pressure p 2745, Fig.1.
- the size press consists of two parallel rollers that form a nip through which the paper web runs. During operation of the device, there is a liquid sump between the web and each of the two rollers, so that the web is impregnated from both sides at the same time.
- This device has the disadvantage that with increasing web speed, the liquid present in the liquid sump is exposed to very high turbulence and the liquid is sprayed into the environment (e.g. on device parts and on the web), as a result of which uniform application to the web is no longer possible.
- the feed device consists in each case of a main distribution pipe with discharge openings arranged over its entire length, which in turn are connected to a flow channel for forming the sump.
- the flow channel is part of one
- the nozzle body consists of parallel walls that span the entire width of the
- the nozzle body is divided in the middle by a wall into said flow channel
- the aim is to keep the depth of the sump as low as possible so that spraying and large turbulence are avoided.
- the devices are designed to be quite complex, especially since there is still a collecting space on the drainage channel from which the medium has to be pumped into the reservoir.
- the entire device is permanently installed.
- the invention is therefore based on the object of improving the device mentioned in the preamble with regard to simpler cleaning options, easier operability and easier adaptation to given situations with largely avoiding sprayings from the sump.
- the object is achieved by the features mentioned in the characterizing part of claim 1.
- the desired size of the free surface of the sump can be set by means of nozzle lips which are specially adapted to the shape and size of the cross-sectional shape of the sump and can be selected from a modular system.
- the nozzle lips are expediently made of a plastic. They can be easily produced in any shape and size and can be easily screwed or clipped onto the walls of the nozzle body. In tests, an immersion depth of up to approx. 80% of the height (or length) of the nozzle lips has proven to be the most effective for avoiding spray and for uniformity of the application or impregnation of the web.
- the entire feed device is connected to a swivel device.
- the feed device can be pivoted away from the nip, so that on the one hand there is enough space to clean the roller or rollers and on the other hand the device does not need to be removed if one of the rollers or both rollers has to be replaced.
- the pivoting device should therefore be separated from in the latter case be supported by the roller bearing.
- the nozzle body is bent or bent outwards.
- the shape is chosen such that a shape approximating the rollers is achieved.
- the lower part of the nozzle body is also adapted to the shape of the gusset (which is filled by the sump) between the roller and the supporting web of material which is supported.
- the nozzle body is provided with a joint in order to be able to set the desired bending angle.
- This design mentioned above has the advantage, among other things, that the device is very compact. It is characterized by a low overall height and still gives the operating personnel a sufficiently good view of the roller or rollers of the so-called glue or film press and the web. In terms of occupational safety, however, this overall design offers particularly good nip inlet protection for the operating personnel.
- the device according to the invention is arranged or acts only on one side.
- devices according to the invention are present on both sides of the web.
- other support elements such as running, flexible endless belts, can also be provided instead of rollers.
- the nozzle formed by the nozzle lips of the nozzle body releases the application medium which is emitted to the sump directly downwards, that is to say in the direction of the tip of the gusset.
- This ensures that the application medium reaches the deepest point of the gusset and can therefore be reliably pressed into the web in the nip.
- the medium emerging from the nozzle, the rollers or support belts and also the running web of goods have the same direction of travel, which means that at particularly high operating speeds, vortex formation can nevertheless occur, which may have a negative impact on the order result.
- Another expedient solution can be to design the nozzle as an impact nozzle.
- the incoming application medium is deflected in the radial direction by arranging an aerodynamically shaped baffle bar at a short distance below the outlet opening.
- FIG. 1 seen in cross section, the rollers of a size press with the feed device according to the invention and a first variant of a nozzle.
- FIG. 2 seen in cross section, a second embodiment of the invention
- gusset Z or Za is located between the respective web side and each of the rollers 1 and 1a. In this gusset Z and Za, during operation of the device, a sump 6 and 6a forms, with which the web 3 is coated (depending on the medium used and the character of the web, it is impregnated, glued or coated).
- the feed device 5 and 5a in the selected example consists of a main distribution pipe 7 and 7a.
- This main distribution pipe is machine-wide and receives the application medium in its front sides.
- a cover plate 18 and 18a protects the distribution pipes 8 and 8a against contamination. This also results in a very closed, compact design of good design.
- the metering gap 9 and 9a is located in the space between parallel walls 10 and 10a and 11 and 11a, which extend over the entire width of the device, the walls 10 and 11 forming a nozzle body 12 and the walls 10a and 11a forming a nozzle body 12a.
- the lower part of the nozzle body 12 and 12a that is the part which dips into the sump 6 and 6a, consists of specially shaped, expediently converging nozzle lips 13 and 14 or 13a and 14a. At their lower free ends, these nozzle lips each leave a nozzle opening 15 and 15a between them, from which the application medium is directed downwards into the tip of the gusset Z and Za and thereby forms or maintains the sump 6 and 6a.
- FIG. 2 shows a second embodiment of the nozzle 15 or 15a.
- the rest of the structure of the application device according to this second variant is otherwise basically the same as the embodiment according to FIG. 1.
- the same reference numbers have therefore also been retained.
- FIG. 2 shows that the application medium is deflected by means of a baffle bar 20 or 20a which is shaped to be aerodynamic.
- the nozzle openings 15 and 15a can thereby be referred to as cross-flow openings, from which the medium is dispensed radially in the direction of the web to be treated and the roller 1 or 1a.
- the flow directions are also shown in FIG. 2 with small arrows.
- Vortex formation in the sump can be further reduced when using the second nozzle embodiment.
- the strip 20, 20a is conically shaped in an advantageous, aerodynamically advantageous manner and rounded at the end pointing to the gusset tip.
- This bar is either part of the complete nozzle body 12 and 12a, or part of a single nozzle lip 13, 13a, 14 or 14a, or a separately arranged component.
- the size of the free surface of the sump 6 or 6a and also the immersion depth of the nozzle lips can be adjusted depending on how the individual nozzle lips are designed in their cross-section or their shape and are fastened to the walls 9, 10 or 9a and 10a , This means that the level of the sump can be raised or lowered depending on how deep the nozzle lips dip into the sump. At higher water levels, better penetration is achieved due to the longer dwell time.
- the immersion depth can be up to 80% of the total length of the nozzle lips. Despite a higher water level, undesirable turbulence and spraying from the device can be greatly reduced.
- the nozzle lips are made of plastic in different sizes. They are easy to manufacture and store, easy to clean, insensitive to corrosion and only light in weight.
- the nozzle body 12 or 12a i.e. its walls 10, 11 and 10a, 11a in two parts - consisting of upper part O and lower part U are executed.
- Upper part and lower part are detachable, e.g. by screwing or articulated together.
- the nozzle lips 13 and 14 or 13a, 14a are attached to the lower part U.
- kits of different lengths and widths can be provided for the upper part O and lower part U, as a result of which the device according to the invention can also be adapted to coating machines with other roller diameters without great effort.
- the walls of the nozzle body 12 or 12a are bent or, as shown in FIG. 1, bent towards the roller. This design makes it possible for the device to get by with a low overall height and therefore to have better stability.
- the shape of the flow of the medium in the metering gap 9 or 9a is slowed down and thereby further equalized.
- this design enables effective nip inlet protection. This means that the operating personnel " who supervise the work process, clean rollers etc. cannot be pulled into the nip with body parts or clothes.
- the upper part of the nozzle body (the nozzle lips could also be made in this way) is made of rustproof sheet metal and is only provided with individual stiffening ribs 16 and 16a, as a result of which the entire device is relatively light in construction.
- swivel devices 17 and 17a are provided in the selected example, with which the position of the nozzle body with its nozzle opening can be adjusted on the one hand.
- the entire feed device can be swiveled from the rollers, or rather, from the gusset Z and Za with the sump 6 or 6a, in the event that the web is not treated or if the rollers need to be cleaned or replaced. As a result, complete dismantling of the device is often no longer necessary.
- the device shown in FIGS. 1 and 2 is intended for two-sided, generally simultaneous application to both sides of the web 3. In addition, there is often only one-sided application to only one of the two sides of the web 3 provided. In the right (mirror image) half of the device all device parts are supplemented with "a”.
- the parts of the left or right half of the picture can either be left out entirely or simply swiveled away.
- Nozzle body 12, 12a Nozzle body 12, 12a
Landscapes
- Coating Apparatus (AREA)
- Paper (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Eye Examination Apparatus (AREA)
- Massaging Devices (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10032500A DE10032500A1 (de) | 2000-07-04 | 2000-07-04 | Auftragsvorrichtung |
| DE10032500 | 2000-07-04 | ||
| PCT/DE2001/002426 WO2002004744A1 (de) | 2000-07-04 | 2001-06-29 | Auftragsvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1198643A1 true EP1198643A1 (de) | 2002-04-24 |
| EP1198643B1 EP1198643B1 (de) | 2010-12-01 |
Family
ID=7647764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01955224A Expired - Lifetime EP1198643B1 (de) | 2000-07-04 | 2001-06-29 | Auftragsvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6626127B2 (de) |
| EP (1) | EP1198643B1 (de) |
| AT (1) | ATE490371T1 (de) |
| DE (2) | DE10032500A1 (de) |
| WO (1) | WO2002004744A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010029617A1 (de) | 2010-06-02 | 2011-12-08 | Voith Patent Gmbh | Verfahren zur Herstellung einer gestrichenen, mehrlagigen Faserstoffbahn |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10131680A1 (de) | 2001-06-29 | 2003-01-23 | Voith Paper Patent Gmbh | Auftragsvorrichtung |
| GB2391871A (en) * | 2002-08-16 | 2004-02-18 | Qinetiq Ltd | Depositing conductive solid materials using reservoirs in a printhead |
| DE10260847A1 (de) * | 2002-12-23 | 2004-07-01 | Voith Paper Patent Gmbh | Verfahren zur Herstellung und/oder Behandlung einer Materialbahn |
| DE10358219A1 (de) * | 2003-12-12 | 2005-07-07 | Voith Paper Patent Gmbh | Verwendung eines Kunststoffes oder eines Kunststoff-Verbundwerkstoffes oder -Gemisches für eine Auftrags-Vorrichtung |
| FI7399U1 (fi) | 2006-06-21 | 2007-02-20 | Metso Paper Inc | Sovitelma kuiturainan käsittelemiseksi |
| CN101433888B (zh) * | 2008-11-14 | 2012-05-23 | 北京星和众工设备技术股份有限公司 | 淋涂式单张金属板材辊涂机构 |
| DE202009016157U1 (de) | 2009-11-26 | 2010-03-04 | Metso Paper, Inc. | Sprüh- und Teichleimpressvorrichtung für eine Papier- oder Kartonbahn |
| DE102010029615A1 (de) | 2010-06-02 | 2011-12-08 | Voith Patent Gmbh | Verfahren zur Herstellung einer gestrichenen, mehrlagigen Faserstoffbahn |
| JP7194719B2 (ja) * | 2020-10-28 | 2022-12-22 | 本田技研工業株式会社 | 材料層形成装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4340623A (en) | 1980-12-08 | 1982-07-20 | Beloit Corporation | High speed size press |
| US4407224A (en) | 1981-01-26 | 1983-10-04 | Beloit Corporation | Apparatus for high speed size application |
| US4358484A (en) | 1981-01-26 | 1982-11-09 | Beloit Corporation | Method for high speed size application |
| DE29513970U1 (de) * | 1995-08-31 | 1995-11-30 | Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim | Vorrichtung zum Auftragen einer Flüssigkeit auf eine Faserstoffbahn |
| DE29610446U1 (de) | 1996-06-14 | 1996-09-05 | Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim | Vorrichtung zum Auftragen einer Flüssigkeit auf eine Faserstoffbahn |
-
2000
- 2000-07-04 DE DE10032500A patent/DE10032500A1/de not_active Withdrawn
-
2001
- 2001-06-29 EP EP01955224A patent/EP1198643B1/de not_active Expired - Lifetime
- 2001-06-29 WO PCT/DE2001/002426 patent/WO2002004744A1/de not_active Ceased
- 2001-06-29 DE DE50115724T patent/DE50115724D1/de not_active Expired - Lifetime
- 2001-06-29 US US10/070,269 patent/US6626127B2/en not_active Expired - Fee Related
- 2001-06-29 AT AT01955224T patent/ATE490371T1/de active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0204744A1 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010029617A1 (de) | 2010-06-02 | 2011-12-08 | Voith Patent Gmbh | Verfahren zur Herstellung einer gestrichenen, mehrlagigen Faserstoffbahn |
| WO2011151234A1 (de) | 2010-06-02 | 2011-12-08 | Voith Patent Gmbh | Verfahren zur herstellung einer gestrichenen, mehrlagigen faserstoffbahn |
| CN103109018A (zh) * | 2010-06-02 | 2013-05-15 | 沃依特专利有限责任公司 | 用于制造涂布的、多层纤维材料幅面的方法 |
| CN103109018B (zh) * | 2010-06-02 | 2016-03-02 | 沃依特专利有限责任公司 | 用于制造涂布的、多层纤维材料幅面的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6626127B2 (en) | 2003-09-30 |
| WO2002004744A1 (de) | 2002-01-17 |
| ATE490371T1 (de) | 2010-12-15 |
| EP1198643B1 (de) | 2010-12-01 |
| DE50115724D1 (de) | 2011-01-13 |
| DE10032500A1 (de) | 2002-01-17 |
| US20020162503A1 (en) | 2002-11-07 |
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